diff options
| author | Mohamed Tarek <mt@rockbox.org> | 2009-08-14 08:12:28 +0000 |
|---|---|---|
| committer | Mohamed Tarek <mt@rockbox.org> | 2009-08-14 08:12:28 +0000 |
| commit | ebd67b1c6f06b93235700bfef0011b331669ee2f (patch) | |
| tree | b925fcf49a6c2353f7c4aa7400a87376133986fa /apps | |
| parent | 4f72502329e3bdfe1d668362f139aa3467197999 (diff) | |
| download | rockbox-ebd67b1c6f06b93235700bfef0011b331669ee2f.tar.gz rockbox-ebd67b1c6f06b93235700bfef0011b331669ee2f.zip | |
Replace av_log() with DEBUGF and drop some now-useless files.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22306 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps')
| -rw-r--r-- | apps/codecs/libatrac/Makefile.test | 2 | ||||
| -rw-r--r-- | apps/codecs/libatrac/atrac3.c | 36 | ||||
| -rw-r--r-- | apps/codecs/libatrac/avcodec.h | 3433 | ||||
| -rw-r--r-- | apps/codecs/libatrac/bytestream.h | 1 | ||||
| -rw-r--r-- | apps/codecs/libatrac/libavutil/common.h | 7 | ||||
| -rw-r--r-- | apps/codecs/libatrac/libavutil/internal.h | 328 | ||||
| -rw-r--r-- | apps/codecs/libatrac/libavutil/log.c | 89 | ||||
| -rw-r--r-- | apps/codecs/libatrac/libavutil/log.h | 116 | ||||
| -rw-r--r-- | apps/codecs/libatrac/libavutil/mem.c | 159 | ||||
| -rw-r--r-- | apps/codecs/libatrac/libavutil/mem.h | 104 |
10 files changed, 19 insertions, 4256 deletions
diff --git a/apps/codecs/libatrac/Makefile.test b/apps/codecs/libatrac/Makefile.test index d1d35860e0..13809d1feb 100644 --- a/apps/codecs/libatrac/Makefile.test +++ b/apps/codecs/libatrac/Makefile.test @@ -1,5 +1,5 @@ CFLAGS = -Wall -O3 -DTEST -D"DEBUGF=printf" -D"ROCKBOX_LITTLE_ENDIAN=1" -D"ICONST_ATTR=" -D"ICODE_ATTR=" -OBJS = atrac3.o bitstream.o libavutil/log.o libavutil/mem.o ../librm/rm.o fixp_math.o ../lib/mdct2.o ../lib/mdct_lookup.o +OBJS = atrac3.o bitstream.o ../librm/rm.o fixp_math.o ../lib/mdct2.o ../lib/mdct_lookup.o atractest: $(OBJS) gcc -o atractest $(OBJS) diff --git a/apps/codecs/libatrac/atrac3.c b/apps/codecs/libatrac/atrac3.c index dd706ec021..f7181f7e6b 100644 --- a/apps/codecs/libatrac/atrac3.c +++ b/apps/codecs/libatrac/atrac3.c @@ -36,7 +36,6 @@ #include <stddef.h> #include <stdio.h> -#include "avcodec.h" #include "bitstream.h" #include "bytestream.h" @@ -245,7 +244,7 @@ static int decode_bytes(const uint8_t* inbuffer, uint8_t* out, int bytes){ obuf[i] = c ^ buf[i]; if (off) - av_log(NULL,AV_LOG_DEBUG,"Offset of %d not handled, post sample on ffmpeg-dev.\n",off); + DEBUGF("Offset of %d not handled, post sample on ffmpeg-dev.\n",off); return off; } @@ -644,7 +643,8 @@ static void reverseMatrixing(int32_t *su1, int32_t *su2, int *pPrevCode, int *pC } break; default: - assert(0); + //assert(0); + break; } } } @@ -703,12 +703,12 @@ static int decodeChannelSoundUnit (ATRAC3Context *q, GetBitContext *gb, channel_ int band, result=0, numSubbands, lastTonal, numBands; if (codingMode == JOINT_STEREO && channelNum == 1) { if (get_bits(gb,2) != 3) { - av_log(NULL,AV_LOG_ERROR,"JS mono Sound Unit id != 3.\n"); + DEBUGF("JS mono Sound Unit id != 3.\n"); return -1; } } else { if (get_bits(gb,6) != 0x28) { - av_log(NULL,AV_LOG_ERROR,"Sound Unit id != 0x28.\n"); + DEBUGF("Sound Unit id != 0x28.\n"); return -1; } } @@ -880,7 +880,7 @@ static int atrac3_decode_frame(RMContext *rmctx, ATRAC3Context *q, result = decodeFrame(q, databuf); if (result != 0) { - av_log(NULL,AV_LOG_ERROR,"Frame decoding error!\n"); + DEBUGF("Frame decoding error!\n"); return -1; } @@ -925,12 +925,12 @@ static av_cold int atrac3_decode_init(ATRAC3Context *q, RMContext *rmctx) /* Take care of the codec-specific extradata. */ if (rmctx->extradata_size == 14) { /* Parse the extradata, WAV format */ - av_log(rmctx,AV_LOG_DEBUG,"[0-1] %d\n",bytestream_get_le16(&edata_ptr)); //Unknown value always 1 + DEBUGF("[0-1] %d\n",bytestream_get_le16(&edata_ptr)); //Unknown value always 1 q->samples_per_channel = bytestream_get_le32(&edata_ptr); q->codingMode = bytestream_get_le16(&edata_ptr); - av_log(rmctx,AV_LOG_DEBUG,"[8-9] %d\n",bytestream_get_le16(&edata_ptr)); //Dupe of coding mode + DEBUGF("[8-9] %d\n",bytestream_get_le16(&edata_ptr)); //Dupe of coding mode q->frame_factor = bytestream_get_le16(&edata_ptr); //Unknown always 1 - av_log(rmctx,AV_LOG_DEBUG,"[12-13] %d\n",bytestream_get_le16(&edata_ptr)); //Unknown always 0 + DEBUGF("[12-13] %d\n",bytestream_get_le16(&edata_ptr)); //Unknown always 0 /* setup */ q->samples_per_frame = 1024 * q->channels; @@ -944,7 +944,7 @@ static av_cold int atrac3_decode_init(ATRAC3Context *q, RMContext *rmctx) if ((q->bytes_per_frame == 96*q->channels*q->frame_factor) || (q->bytes_per_frame == 152*q->channels*q->frame_factor) || (q->bytes_per_frame == 192*q->channels*q->frame_factor)) { } else { - av_log(rmctx,AV_LOG_ERROR,"Unknown frame/channel/frame_factor configuration %d/%d/%d\n", q->bytes_per_frame, q->channels, q->frame_factor); + DEBUGF("Unknown frame/channel/frame_factor configuration %d/%d/%d\n", q->bytes_per_frame, q->channels, q->frame_factor); return -1; } @@ -959,36 +959,36 @@ static av_cold int atrac3_decode_init(ATRAC3Context *q, RMContext *rmctx) q->scrambled_stream = 1; } else { - av_log(NULL,AV_LOG_ERROR,"Unknown extradata size %d.\n",rmctx->extradata_size); + DEBUGF("Unknown extradata size %d.\n",rmctx->extradata_size); } /* Check the extradata. */ if (q->atrac3version != 4) { - av_log(rmctx,AV_LOG_ERROR,"Version %d != 4.\n",q->atrac3version); + DEBUGF("Version %d != 4.\n",q->atrac3version); return -1; } if (q->samples_per_frame != 1024 && q->samples_per_frame != 2048) { - av_log(rmctx,AV_LOG_ERROR,"Unknown amount of samples per frame %d.\n",q->samples_per_frame); + DEBUGF("Unknown amount of samples per frame %d.\n",q->samples_per_frame); return -1; } if (q->delay != 0x88E) { - av_log(rmctx,AV_LOG_ERROR,"Unknown amount of delay %x != 0x88E.\n",q->delay); + DEBUGF("Unknown amount of delay %x != 0x88E.\n",q->delay); return -1; } if (q->codingMode == STEREO) { - av_log(rmctx,AV_LOG_DEBUG,"Normal stereo detected.\n"); + DEBUGF("Normal stereo detected.\n"); } else if (q->codingMode == JOINT_STEREO) { - av_log(rmctx,AV_LOG_DEBUG,"Joint stereo detected.\n"); + DEBUGF("Joint stereo detected.\n"); } else { - av_log(rmctx,AV_LOG_ERROR,"Unknown channel coding mode %x!\n",q->codingMode); + DEBUGF("Unknown channel coding mode %x!\n",q->codingMode); return -1; } if (rmctx->nb_channels <= 0 || rmctx->nb_channels > 2 /*|| ((rmctx->channels * 1024) != q->samples_per_frame)*/) { - av_log(rmctx,AV_LOG_ERROR,"Channel configuration error!\n"); + DEBUGF("Channel configuration error!\n"); return -1; } diff --git a/apps/codecs/libatrac/avcodec.h b/apps/codecs/libatrac/avcodec.h deleted file mode 100644 index ed1bdecfce..0000000000 --- a/apps/codecs/libatrac/avcodec.h +++ /dev/null @@ -1,3433 +0,0 @@ -/* - * copyright (c) 2001 Fabrice Bellard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_AVCODEC_H -#define AVCODEC_AVCODEC_H - -/** - * @file libavcodec/avcodec.h - * external API header - */ - -#include <errno.h> -#include "libavutil/avutil.h" - -#define LIBAVCODEC_VERSION_MAJOR 52 -#define LIBAVCODEC_VERSION_MINOR 22 -#define LIBAVCODEC_VERSION_MICRO 0 - -#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ - LIBAVCODEC_VERSION_MINOR, \ - LIBAVCODEC_VERSION_MICRO) -#define LIBAVCODEC_VERSION AV_VERSION(LIBAVCODEC_VERSION_MAJOR, \ - LIBAVCODEC_VERSION_MINOR, \ - LIBAVCODEC_VERSION_MICRO) -#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT - -#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION) - -#define AV_NOPTS_VALUE INT64_C(0x8000000000000000) -#define AV_TIME_BASE 1000000 -#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE} - -/** - * Identifies the syntax and semantics of the bitstream. - * The principle is roughly: - * Two decoders with the same ID can decode the same streams. - * Two encoders with the same ID can encode compatible streams. - * There may be slight deviations from the principle due to implementation - * details. - * - * If you add a codec ID to this list, add it so that - * 1. no value of a existing codec ID changes (that would break ABI), - * 2. it is as close as possible to similar codecs. - */ -enum CodecID { - CODEC_ID_NONE, - - /* video codecs */ - CODEC_ID_MPEG1VIDEO, - CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding - CODEC_ID_MPEG2VIDEO_XVMC, - CODEC_ID_H261, - CODEC_ID_H263, - CODEC_ID_RV10, - CODEC_ID_RV20, - CODEC_ID_MJPEG, - CODEC_ID_MJPEGB, - CODEC_ID_LJPEG, - CODEC_ID_SP5X, - CODEC_ID_JPEGLS, - CODEC_ID_MPEG4, - CODEC_ID_RAWVIDEO, - CODEC_ID_MSMPEG4V1, - CODEC_ID_MSMPEG4V2, - CODEC_ID_MSMPEG4V3, - CODEC_ID_WMV1, - CODEC_ID_WMV2, - CODEC_ID_H263P, - CODEC_ID_H263I, - CODEC_ID_FLV1, - CODEC_ID_SVQ1, - CODEC_ID_SVQ3, - CODEC_ID_DVVIDEO, - CODEC_ID_HUFFYUV, - CODEC_ID_CYUV, - CODEC_ID_H264, - CODEC_ID_INDEO3, - CODEC_ID_VP3, - CODEC_ID_THEORA, - CODEC_ID_ASV1, - CODEC_ID_ASV2, - CODEC_ID_FFV1, - CODEC_ID_4XM, - CODEC_ID_VCR1, - CODEC_ID_CLJR, - CODEC_ID_MDEC, - CODEC_ID_ROQ, - CODEC_ID_INTERPLAY_VIDEO, - CODEC_ID_XAN_WC3, - CODEC_ID_XAN_WC4, - CODEC_ID_RPZA, - CODEC_ID_CINEPAK, - CODEC_ID_WS_VQA, - CODEC_ID_MSRLE, - CODEC_ID_MSVIDEO1, - CODEC_ID_IDCIN, - CODEC_ID_8BPS, - CODEC_ID_SMC, - CODEC_ID_FLIC, - CODEC_ID_TRUEMOTION1, - CODEC_ID_VMDVIDEO, - CODEC_ID_MSZH, - CODEC_ID_ZLIB, - CODEC_ID_QTRLE, - CODEC_ID_SNOW, - CODEC_ID_TSCC, - CODEC_ID_ULTI, - CODEC_ID_QDRAW, - CODEC_ID_VIXL, - CODEC_ID_QPEG, - CODEC_ID_XVID, - CODEC_ID_PNG, - CODEC_ID_PPM, - CODEC_ID_PBM, - CODEC_ID_PGM, - CODEC_ID_PGMYUV, - CODEC_ID_PAM, - CODEC_ID_FFVHUFF, - CODEC_ID_RV30, - CODEC_ID_RV40, - CODEC_ID_VC1, - CODEC_ID_WMV3, - CODEC_ID_LOCO, - CODEC_ID_WNV1, - CODEC_ID_AASC, - CODEC_ID_INDEO2, - CODEC_ID_FRAPS, - CODEC_ID_TRUEMOTION2, - CODEC_ID_BMP, - CODEC_ID_CSCD, - CODEC_ID_MMVIDEO, - CODEC_ID_ZMBV, - CODEC_ID_AVS, - CODEC_ID_SMACKVIDEO, - CODEC_ID_NUV, - CODEC_ID_KMVC, - CODEC_ID_FLASHSV, - CODEC_ID_CAVS, - CODEC_ID_JPEG2000, - CODEC_ID_VMNC, - CODEC_ID_VP5, - CODEC_ID_VP6, - CODEC_ID_VP6F, - CODEC_ID_TARGA, - CODEC_ID_DSICINVIDEO, - CODEC_ID_TIERTEXSEQVIDEO, - CODEC_ID_TIFF, - CODEC_ID_GIF, - CODEC_ID_FFH264, - CODEC_ID_DXA, - CODEC_ID_DNXHD, - CODEC_ID_THP, - CODEC_ID_SGI, - CODEC_ID_C93, - CODEC_ID_BETHSOFTVID, - CODEC_ID_PTX, - CODEC_ID_TXD, - CODEC_ID_VP6A, - CODEC_ID_AMV, - CODEC_ID_VB, - CODEC_ID_PCX, - CODEC_ID_SUNRAST, - CODEC_ID_INDEO4, - CODEC_ID_INDEO5, - CODEC_ID_MIMIC, - CODEC_ID_RL2, - CODEC_ID_8SVX_EXP, - CODEC_ID_8SVX_FIB, - CODEC_ID_ESCAPE124, - CODEC_ID_DIRAC, - CODEC_ID_BFI, - CODEC_ID_CMV, - CODEC_ID_MOTIONPIXELS, - CODEC_ID_TGV, - CODEC_ID_TGQ, - CODEC_ID_TQI, - - /* various PCM "codecs" */ - CODEC_ID_PCM_S16LE= 0x10000, - CODEC_ID_PCM_S16BE, - CODEC_ID_PCM_U16LE, - CODEC_ID_PCM_U16BE, - CODEC_ID_PCM_S8, - CODEC_ID_PCM_U8, - CODEC_ID_PCM_MULAW, - CODEC_ID_PCM_ALAW, - CODEC_ID_PCM_S32LE, - CODEC_ID_PCM_S32BE, - CODEC_ID_PCM_U32LE, - CODEC_ID_PCM_U32BE, - CODEC_ID_PCM_S24LE, - CODEC_ID_PCM_S24BE, - CODEC_ID_PCM_U24LE, - CODEC_ID_PCM_U24BE, - CODEC_ID_PCM_S24DAUD, - CODEC_ID_PCM_ZORK, - CODEC_ID_PCM_S16LE_PLANAR, - CODEC_ID_PCM_DVD, - CODEC_ID_PCM_F32BE, - CODEC_ID_PCM_F32LE, - CODEC_ID_PCM_F64BE, - CODEC_ID_PCM_F64LE, - - /* various ADPCM codecs */ - CODEC_ID_ADPCM_IMA_QT= 0x11000, - CODEC_ID_ADPCM_IMA_WAV, - CODEC_ID_ADPCM_IMA_DK3, - CODEC_ID_ADPCM_IMA_DK4, - CODEC_ID_ADPCM_IMA_WS, - CODEC_ID_ADPCM_IMA_SMJPEG, - CODEC_ID_ADPCM_MS, - CODEC_ID_ADPCM_4XM, - CODEC_ID_ADPCM_XA, - CODEC_ID_ADPCM_ADX, - CODEC_ID_ADPCM_EA, - CODEC_ID_ADPCM_G726, - CODEC_ID_ADPCM_CT, - CODEC_ID_ADPCM_SWF, - CODEC_ID_ADPCM_YAMAHA, - CODEC_ID_ADPCM_SBPRO_4, - CODEC_ID_ADPCM_SBPRO_3, - CODEC_ID_ADPCM_SBPRO_2, - CODEC_ID_ADPCM_THP, - CODEC_ID_ADPCM_IMA_AMV, - CODEC_ID_ADPCM_EA_R1, - CODEC_ID_ADPCM_EA_R3, - CODEC_ID_ADPCM_EA_R2, - CODEC_ID_ADPCM_IMA_EA_SEAD, - CODEC_ID_ADPCM_IMA_EA_EACS, - CODEC_ID_ADPCM_EA_XAS, - CODEC_ID_ADPCM_EA_MAXIS_XA, - CODEC_ID_ADPCM_IMA_ISS, - - /* AMR */ - CODEC_ID_AMR_NB= 0x12000, - CODEC_ID_AMR_WB, - - /* RealAudio codecs*/ - CODEC_ID_RA_144= 0x13000, - CODEC_ID_RA_288, - - /* various DPCM codecs */ - CODEC_ID_ROQ_DPCM= 0x14000, - CODEC_ID_INTERPLAY_DPCM, - CODEC_ID_XAN_DPCM, - CODEC_ID_SOL_DPCM, - - /* audio codecs */ - CODEC_ID_MP2= 0x15000, - CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3 - CODEC_ID_AAC, - CODEC_ID_AC3, - CODEC_ID_DTS, - CODEC_ID_VORBIS, - CODEC_ID_DVAUDIO, - CODEC_ID_WMAV1, - CODEC_ID_WMAV2, - CODEC_ID_MACE3, - CODEC_ID_MACE6, - CODEC_ID_VMDAUDIO, - CODEC_ID_SONIC, - CODEC_ID_SONIC_LS, - CODEC_ID_FLAC, - CODEC_ID_MP3ADU, - CODEC_ID_MP3ON4, - CODEC_ID_SHORTEN, - CODEC_ID_ALAC, - CODEC_ID_WESTWOOD_SND1, - CODEC_ID_GSM, ///< as in Berlin toast format - CODEC_ID_QDM2, - CODEC_ID_COOK, - CODEC_ID_TRUESPEECH, - CODEC_ID_TTA, - CODEC_ID_SMACKAUDIO, - CODEC_ID_QCELP, - CODEC_ID_WAVPACK, - CODEC_ID_DSICINAUDIO, - CODEC_ID_IMC, - CODEC_ID_MUSEPACK7, - CODEC_ID_MLP, - CODEC_ID_GSM_MS, /* as found in WAV */ - CODEC_ID_ATRAC3, - CODEC_ID_VOXWARE, - CODEC_ID_APE, - CODEC_ID_NELLYMOSER, - CODEC_ID_MUSEPACK8, - CODEC_ID_SPEEX, - CODEC_ID_WMAVOICE, - CODEC_ID_WMAPRO, - CODEC_ID_WMALOSSLESS, - CODEC_ID_ATRAC3P, - CODEC_ID_EAC3, - CODEC_ID_SIPR, - CODEC_ID_MP1, - CODEC_ID_TWINVQ, - CODEC_ID_TRUEHD, - - /* subtitle codecs */ - CODEC_ID_DVD_SUBTITLE= 0x17000, - CODEC_ID_DVB_SUBTITLE, - CODEC_ID_TEXT, ///< raw UTF-8 text - CODEC_ID_XSUB, - CODEC_ID_SSA, - CODEC_ID_MOV_TEXT, - - /* other specific kind of codecs (generally used for attachments) */ - CODEC_ID_TTF= 0x18000, - - CODEC_ID_PROBE= 0x19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it - - CODEC_ID_MPEG2TS= 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS - * stream (only used by libavformat) */ -}; - -enum CodecType { - CODEC_TYPE_UNKNOWN = -1, - CODEC_TYPE_VIDEO, - CODEC_TYPE_AUDIO, - CODEC_TYPE_DATA, - CODEC_TYPE_SUBTITLE, - CODEC_TYPE_ATTACHMENT, - CODEC_TYPE_NB -}; - -/** - * all in native-endian format - */ -enum SampleFormat { - SAMPLE_FMT_NONE = -1, - SAMPLE_FMT_U8, ///< unsigned 8 bits - SAMPLE_FMT_S16, ///< signed 16 bits - SAMPLE_FMT_S32, ///< signed 32 bits - SAMPLE_FMT_FLT, ///< float - SAMPLE_FMT_DBL, ///< double - SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if dynamically linking to libavcodec -}; - -/* Audio channel masks */ -#define CH_FRONT_LEFT 0x00000001 -#define CH_FRONT_RIGHT 0x00000002 -#define CH_FRONT_CENTER 0x00000004 -#define CH_LOW_FREQUENCY 0x00000008 -#define CH_BACK_LEFT 0x00000010 -#define CH_BACK_RIGHT 0x00000020 -#define CH_FRONT_LEFT_OF_CENTER 0x00000040 -#define CH_FRONT_RIGHT_OF_CENTER 0x00000080 -#define CH_BACK_CENTER 0x00000100 -#define CH_SIDE_LEFT 0x00000200 -#define CH_SIDE_RIGHT 0x00000400 -#define CH_TOP_CENTER 0x00000800 -#define CH_TOP_FRONT_LEFT 0x00001000 -#define CH_TOP_FRONT_CENTER 0x00002000 -#define CH_TOP_FRONT_RIGHT 0x00004000 -#define CH_TOP_BACK_LEFT 0x00008000 -#define CH_TOP_BACK_CENTER 0x00010000 -#define CH_TOP_BACK_RIGHT 0x00020000 -#define CH_STEREO_LEFT 0x20000000 ///< Stereo downmix. -#define CH_STEREO_RIGHT 0x40000000 ///< See CH_STEREO_LEFT. - -/* Audio channel convenience macros */ -#define CH_LAYOUT_MONO (CH_FRONT_CENTER) -#define CH_LAYOUT_STEREO (CH_FRONT_LEFT|CH_FRONT_RIGHT) -#define CH_LAYOUT_SURROUND (CH_LAYOUT_STEREO|CH_FRONT_CENTER) -#define CH_LAYOUT_QUAD (CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT) -#define CH_LAYOUT_5POINT0 (CH_LAYOUT_SURROUND|CH_SIDE_LEFT|CH_SIDE_RIGHT) -#define CH_LAYOUT_5POINT1 (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY) -#define CH_LAYOUT_7POINT1 (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT) -#define CH_LAYOUT_7POINT1_WIDE (CH_LAYOUT_SURROUND|CH_LOW_FREQUENCY|\ - CH_BACK_LEFT|CH_BACK_RIGHT|\ - CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER) -#define CH_LAYOUT_STEREO_DOWNMIX (CH_STEREO_LEFT|CH_STEREO_RIGHT) - -/* in bytes */ -#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio - -/** - * Required number of additionally allocated bytes at the end of the input bitstream for decoding. - * This is mainly needed because some optimized bitstream readers read - * 32 or 64 bit at once and could read over the end.<br> - * Note: If the first 23 bits of the additional bytes are not 0, then damaged - * MPEG bitstreams could cause overread and segfault. - */ -#define FF_INPUT_BUFFER_PADDING_SIZE 8 - -/** - * minimum encoding buffer size - * Used to avoid some checks during header writing. - */ -#define FF_MIN_BUFFER_SIZE 16384 - -#if 0/* MT : DELETE THIS LINE.*/ -/** - * motion estimation type. - */ -enum Motion_Est_ID { - ME_ZERO = 1, ///< no search, that is use 0,0 vector whenever one is needed - ME_FULL, - ME_LOG, - ME_PHODS, - ME_EPZS, ///< enhanced predictive zonal search - ME_X1, ///< reserved for experiments - ME_HEX, ///< hexagon based search - ME_UMH, ///< uneven multi-hexagon search - ME_ITER, ///< iterative search - ME_TESA, ///< transformed exhaustive search algorithm -}; - -enum AVDiscard{ - /* We leave some space between them for extensions (drop some - * keyframes for intra-only or drop just some bidir frames). */ - AVDISCARD_NONE =-16, ///< discard nothing - AVDISCARD_DEFAULT= 0, ///< discard useless packets like 0 size packets in avi - AVDISCARD_NONREF = 8, ///< discard all non reference - AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames - AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes - AVDISCARD_ALL = 48, ///< discard all -}; - -typedef struct RcOverride{ - int start_frame; - int end_frame; - int qscale; // If this is 0 then quality_factor will be used instead. - float quality_factor; -} RcOverride; - -#define FF_MAX_B_FRAMES 16 - -/* encoding support - These flags can be passed in AVCodecContext.flags before initialization. - Note: Not everything is supported yet. -*/ - -#define CODEC_FLAG_QSCALE 0x0002 ///< Use fixed qscale. -#define CODEC_FLAG_4MV 0x0004 ///< 4 MV per MB allowed / advanced prediction for H.263. -#define CODEC_FLAG_QPEL 0x0010 ///< Use qpel MC. -#define CODEC_FLAG_GMC 0x0020 ///< Use GMC. -#define CODEC_FLAG_MV0 0x0040 ///< Always try a MB with MV=<0,0>. -#define CODEC_FLAG_PART 0x0080 ///< Use data partitioning. -/** - * The parent program guarantees that the input for B-frames containing - * streams is not written to for at least s->max_b_frames+1 frames, if - * this is not set the input will be copied. - */ -#define CODEC_FLAG_INPUT_PRESERVED 0x0100 -#define CODEC_FLAG_PASS1 0x0200 ///< Use internal 2pass ratecontrol in first pass mode. -#define CODEC_FLAG_PASS2 0x0400 ///< Use internal 2pass ratecontrol in second pass mode. -#define CODEC_FLAG_EXTERN_HUFF 0x1000 ///< Use external Huffman table (for MJPEG). -#define CODEC_FLAG_GRAY 0x2000 ///< Only decode/encode grayscale. -#define CODEC_FLAG_EMU_EDGE 0x4000 ///< Don't draw edges. -#define CODEC_FLAG_PSNR 0x8000 ///< error[?] variables will be set during encoding. -#define CODEC_FLAG_TRUNCATED 0x00010000 /** Input bitstream might be truncated at a random - location instead of only at frame boundaries. */ -#define CODEC_FLAG_NORMALIZE_AQP 0x00020000 ///< Normalize adaptive quantization. -#define CODEC_FLAG_INTERLACED_DCT 0x00040000 ///< Use interlaced DCT. -#define CODEC_FLAG_LOW_DELAY 0x00080000 ///< Force low delay. -#define CODEC_FLAG_ALT_SCAN 0x00100000 ///< Use alternate scan. -#define CODEC_FLAG_GLOBAL_HEADER 0x00400000 ///< Place global headers in extradata instead of every keyframe. -#define CODEC_FLAG_BITEXACT 0x00800000 ///< Use only bitexact stuff (except (I)DCT). -/* Fx : Flag for h263+ extra options */ -#define CODEC_FLAG_AC_PRED 0x01000000 ///< H.263 advanced intra coding / MPEG-4 AC prediction -#define CODEC_FLAG_H263P_UMV 0x02000000 ///< unlimited motion vector -#define CODEC_FLAG_CBP_RD 0x04000000 ///< Use rate distortion optimization for cbp. -#define CODEC_FLAG_QP_RD 0x08000000 ///< Use rate distortion optimization for qp selectioon. -#define CODEC_FLAG_H263P_AIV 0x00000008 ///< H.263 alternative inter VLC -#define CODEC_FLAG_OBMC 0x00000001 ///< OBMC -#define CODEC_FLAG_LOOP_FILTER 0x00000800 ///< loop filter -#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000 -#define CODEC_FLAG_INTERLACED_ME 0x20000000 ///< interlaced motion estimation -#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< Will reserve space for SVCD scan offset user data. -#define CODEC_FLAG_CLOSED_GOP 0x80000000 -#define CODEC_FLAG2_FAST 0x00000001 ///< Allow non spec compliant speedup tricks. -#define CODEC_FLAG2_STRICT_GOP 0x00000002 ///< Strictly enforce GOP size. -#define CODEC_FLAG2_NO_OUTPUT 0x00000004 ///< Skip bitstream encoding. -#define CODEC_FLAG2_LOCAL_HEADER 0x00000008 ///< Place global headers at every keyframe instead of in extradata. -#define CODEC_FLAG2_BPYRAMID 0x00000010 ///< H.264 allow B-frames to be used as references. -#define CODEC_FLAG2_WPRED 0x00000020 ///< H.264 weighted biprediction for B-frames -#define CODEC_FLAG2_MIXED_REFS 0x00000040 ///< H.264 one reference per partition, as opposed to one reference per macroblock -#define CODEC_FLAG2_8X8DCT 0x00000080 ///< H.264 high profile 8x8 transform -#define CODEC_FLAG2_FASTPSKIP 0x00000100 ///< H.264 fast pskip -#define CODEC_FLAG2_AUD 0x00000200 ///< H.264 access unit delimiters -#define CODEC_FLAG2_BRDO 0x00000400 ///< B-frame rate-distortion optimization -#define CODEC_FLAG2_INTRA_VLC 0x00000800 ///< Use MPEG-2 intra VLC table. -#define CODEC_FLAG2_MEMC_ONLY 0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC). -#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format. -#define CODEC_FLAG2_SKIP_RD 0x00004000 ///< RD optimal MB level residual skipping -#define CODEC_FLAG2_CHUNKS 0x00008000 ///< Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries. -#define CODEC_FLAG2_NON_LINEAR_QUANT 0x00010000 ///< Use MPEG-2 nonlinear quantizer. -#define CODEC_FLAG2_BIT_RESERVOIR 0x00020000 ///< Use a bit reservoir when encoding if possible - -/* Unsupported options : - * Syntax Arithmetic coding (SAC) - * Reference Picture Selection - * Independent Segment Decoding */ -/* /Fx */ -/* codec capabilities */ - -#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 ///< Decoder can use draw_horiz_band callback. -/** - * Codec uses get_buffer() for allocating buffers. - * direct rendering method 1 - */ -#define CODEC_CAP_DR1 0x0002 -/* If 'parse_only' field is true, then avcodec_parse_frame() can be used. */ -#define CODEC_CAP_PARSE_ONLY 0x0004 -#define CODEC_CAP_TRUNCATED 0x0008 -/* Codec can export data for HW decoding (XvMC). */ -#define CODEC_CAP_HWACCEL 0x0010 -/** - * Codec has a nonzero delay and needs to be fed with NULL at the end to get the delayed data. - * If this is not set, the codec is guaranteed to never be fed with NULL data. - */ -#define CODEC_CAP_DELAY 0x0020 -/** - * Codec can be fed a final frame with a smaller size. - * This can be used to prevent truncation of the last audio samples. - */ -#define CODEC_CAP_SMALL_LAST_FRAME 0x0040 -/** - * Codec can export data for HW decoding (VDPAU). - */ -#define CODEC_CAP_HWACCEL_VDPAU 0x0080 - -//The following defines may change, don't expect compatibility if you use them. -#define MB_TYPE_INTRA4x4 0x0001 -#define MB_TYPE_INTRA16x16 0x0002 //FIXME H.264-specific -#define MB_TYPE_INTRA_PCM 0x0004 //FIXME H.264-specific -#define MB_TYPE_16x16 0x0008 -#define MB_TYPE_16x8 0x0010 -#define MB_TYPE_8x16 0x0020 -#define MB_TYPE_8x8 0x0040 -#define MB_TYPE_INTERLACED 0x0080 -#define MB_TYPE_DIRECT2 0x0100 //FIXME -#define MB_TYPE_ACPRED 0x0200 -#define MB_TYPE_GMC 0x0400 -#define MB_TYPE_SKIP 0x0800 -#define MB_TYPE_P0L0 0x1000 -#define MB_TYPE_P1L0 0x2000 -#define MB_TYPE_P0L1 0x4000 -#define MB_TYPE_P1L1 0x8000 -#define MB_TYPE_L0 (MB_TYPE_P0L0 | MB_TYPE_P1L0) -#define MB_TYPE_L1 (MB_TYPE_P0L1 | MB_TYPE_P1L1) -#define MB_TYPE_L0L1 (MB_TYPE_L0 | MB_TYPE_L1) -#define MB_TYPE_QUANT 0x00010000 -#define MB_TYPE_CBP 0x00020000 -//Note bits 24-31 are reserved for codec specific use (h264 ref0, mpeg1 0mv, ...) - -/** - * Pan Scan area. - * This specifies the area which should be displayed. - * Note there may be multiple such areas for one frame. - */ -typedef struct AVPanScan{ - /** - * id - * - encoding: Set by user. - * - decoding: Set by libavcodec. - */ - int id; - - /** - * width and height in 1/16 pel - * - encoding: Set by user. - * - decoding: Set by libavcodec. - */ - int width; - int height; - - /** - * position of the top left corner in 1/16 pel for up to 3 fields/frames - * - encoding: Set by user. - * - decoding: Set by libavcodec. - */ - int16_t position[3][2]; -}AVPanScan; - -#define FF_COMMON_FRAME \ - /**\ - * pointer to the picture planes.\ - * This might be different from the first allocated byte\ - * - encoding: \ - * - decoding: \ - */\ - uint8_t *data[4];\ - int linesize[4];\ - /**\ - * pointer to the first allocated byte of the picture. Can be used in get_buffer/release_buffer.\ - * This isn't used by libavcodec unless the default get/release_buffer() is used.\ - * - encoding: \ - * - decoding: \ - */\ - uint8_t *base[4];\ - /**\ - * 1 -> keyframe, 0-> not\ - * - encoding: Set by libavcodec.\ - * - decoding: Set by libavcodec.\ - */\ - int key_frame;\ -\ - /**\ - * Picture type of the frame, see ?_TYPE below.\ - * - encoding: Set by libavcodec. for coded_picture (and set by user for input).\ - * - decoding: Set by libavcodec.\ - */\ - int pict_type;\ -\ - /**\ - * presentation timestamp in time_base units (time when frame should be shown to user)\ - * If AV_NOPTS_VALUE then frame_rate = 1/time_base will be assumed.\ - * - encoding: MUST be set by user.\ - * - decoding: Set by libavcodec.\ - */\ - int64_t pts;\ -\ - /**\ - * picture number in bitstream order\ - * - encoding: set by\ - * - decoding: Set by libavcodec.\ - */\ - int coded_picture_number;\ - /**\ - * picture number in display order\ - * - encoding: set by\ - * - decoding: Set by libavcodec.\ - */\ - int display_picture_number;\ -\ - /**\ - * quality (between 1 (good) and FF_LAMBDA_MAX (bad)) \ - * - encoding: Set by libavcodec. for coded_picture (and set by user for input).\ - * - decoding: Set by libavcodec.\ - */\ - int quality; \ -\ - /**\ - * buffer age (1->was last buffer and dint change, 2->..., ...).\ - * Set to INT_MAX if the buffer has not been used yet.\ - * - encoding: unused\ - * - decoding: MUST be set by get_buffer().\ - */\ - int age;\ -\ - /**\ - * is this picture used as reference\ - * The values for this are the same as the MpegEncContext.picture_structure\ - * variable, that is 1->top field, 2->bottom field, 3->frame/both fields.\ - * Set to 4 for delayed, non-reference frames.\ - * - encoding: unused\ - * - decoding: Set by libavcodec. (before get_buffer() call)).\ - */\ - int reference;\ -\ - /**\ - * QP table\ - * - encoding: unused\ - * - decoding: Set by libavcodec.\ - */\ - int8_t *qscale_table;\ - /**\ - * QP store stride\ - * - encoding: unused\ - * - decoding: Set by libavcodec.\ - */\ - int qstride;\ -\ - /**\ - * mbskip_table[mb]>=1 if MB didn't change\ - * stride= mb_width = (width+15)>>4\ - * - encoding: unused\ - * - decoding: Set by libavcodec.\ - */\ - uint8_t *mbskip_table;\ -\ - /**\ - * motion vector table\ - * @code\ - * example:\ - * int mv_sample_log2= 4 - motion_subsample_log2;\ - * int mb_width= (width+15)>>4;\ - * int mv_stride= (mb_width << mv_sample_log2) + 1;\ - * motion_val[direction][x + y*mv_stride][0->mv_x, 1->mv_y];\ - * @endcode\ - * - encoding: Set by user.\ - * - decoding: Set by libavcodec.\ - */\ - int16_t (*motion_val[2])[2];\ -\ - /**\ - * macroblock type table\ - * mb_type_base + mb_width + 2\ - * - encoding: Set by user.\ - * - decoding: Set by libavcodec.\ - */\ - uint32_t *mb_type;\ -\ - /**\ - * log2 of the size of the block which a single vector in motion_val represents: \ - * (4->16x16, 3->8x8, 2-> 4x4, 1-> 2x2)\ - * - encoding: unused\ - * - decoding: Set by libavcodec.\ - */\ - uint8_t motion_subsample_log2;\ -\ - /**\ - * for some private data of the user\ - * - encoding: unused\ - * - decoding: Set by user.\ - */\ - void *opaque;\ -\ - /**\ - * error\ - * - encoding: Set by libavcodec. if flags&CODEC_FLAG_PSNR.\ - * - decoding: unused\ - */\ - uint64_t error[4];\ -\ - /**\ - * type of the buffer (to keep track of who has to deallocate data[*])\ - * - encoding: Set by the one who allocates it.\ - * - decoding: Set by the one who allocates it.\ - * Note: User allocated (direct rendering) & internal buffers cannot coexist currently.\ - */\ - int type;\ - \ - /**\ - * When decoding, this signals how much the picture must be delayed.\ - * extra_delay = repeat_pict / (2*fps)\ - * - encoding: unused\ - * - decoding: Set by libavcodec.\ - */\ - int repeat_pict;\ - \ - /**\ - * \ - */\ - int qscale_type;\ - \ - /**\ - * The content of the picture is interlaced.\ - * - encoding: Set by user.\ - * - decoding: Set by libavcodec. (default 0)\ - */\ - int interlaced_frame;\ - \ - /**\ - * If the content is interlaced, is top field displayed first.\ - * - encoding: Set by user.\ - * - decoding: Set by libavcodec.\ - */\ - int top_field_first;\ - \ - /**\ - * Pan scan.\ - * - encoding: Set by user.\ - * - decoding: Set by libavcodec.\ - */\ - AVPanScan *pan_scan;\ - \ - /**\ - * Tell user application that palette has changed from previous frame.\ - * - encoding: ??? (no palette-enabled encoder yet)\ - * - decoding: Set by libavcodec. (default 0).\ - */\ - int palette_has_changed;\ - \ - /**\ - * codec suggestion on buffer type if != 0\ - * - encoding: unused\ - * - decoding: Set by libavcodec. (before get_buffer() call)).\ - */\ - int buffer_hints;\ -\ - /**\ - * DCT coefficients\ - * - encoding: unused\ - * - decoding: Set by libavcodec.\ - */\ - short *dct_coeff;\ -\ - /**\ - * motion referece frame index\ - * - encoding: Set by user.\ - * - decoding: Set by libavcodec.\ - */\ - int8_t *ref_index[2];\ -\ - /**\ - * reordered opaque 64bit number (generally a PTS) from AVCodecContext.reordered_opaque\ - * output in AVFrame.reordered_opaque\ - * - encoding: unused\ - * - decoding: Read by user.\ - */\ - int64_t reordered_opaque;\ -\ - /**\ - * hardware accelerator private data (FFmpeg allocated)\ - * - encoding: unused\ - * - decoding: Set by libavcodec\ - */\ - void *hwaccel_picture_private;\ - - -#define FF_QSCALE_TYPE_MPEG1 0 -#define FF_QSCALE_TYPE_MPEG2 1 -#define FF_QSCALE_TYPE_H264 2 - -#define FF_BUFFER_TYPE_INTERNAL 1 -#define FF_BUFFER_TYPE_USER 2 ///< direct rendering buffers (image is (de)allocated by user) -#define FF_BUFFER_TYPE_SHARED 4 ///< Buffer from somewhere else; don't deallocate image (data/base), all other tables are not shared. -#define FF_BUFFER_TYPE_COPY 8 ///< Just a (modified) copy of some other buffer, don't deallocate anything. - - -#define FF_I_TYPE 1 ///< Intra -#define FF_P_TYPE 2 ///< Predicted -#define FF_B_TYPE 3 ///< Bi-dir predicted -#define FF_S_TYPE 4 ///< S(GMC)-VOP MPEG4 -#define FF_SI_TYPE 5 ///< Switching Intra -#define FF_SP_TYPE 6 ///< Switching Predicted -#define FF_BI_TYPE 7 - -#define FF_BUFFER_HINTS_VALID 0x01 // Buffer hints value is meaningful (if 0 ignore). -#define FF_BUFFER_HINTS_READABLE 0x02 // Codec will read from buffer. -#define FF_BUFFER_HINTS_PRESERVE 0x04 // User must not alter buffer content. -#define FF_BUFFER_HINTS_REUSABLE 0x08 // Codec will reuse the buffer (update). - -/** - * Audio Video Frame. - * New fields can be added to the end of FF_COMMON_FRAME with minor version - * bumps. - * Removal, reordering and changes to existing fields require a major - * version bump. No fields should be added into AVFrame before or after - * FF_COMMON_FRAME! - * sizeof(AVFrame) must not be used outside libav*. - */ -typedef struct AVFrame { - FF_COMMON_FRAME -} AVFrame; -#endif/* MT : DELETE THIS LINE.*/ -/** - * main external API structure. - * New fields can be added to the end with minor version bumps. - * Removal, reordering and changes to existing fields require a major - * version bump. - * sizeof(AVCodecContext) must not be used outside libav*. - */ -typedef struct AVCodecContext { - /** - * information on struct for av_log - * - set by avcodec_alloc_context - */ - const AVClass *av_class; - /** - * the average bitrate - * - encoding: Set by user; unused for constant quantizer encoding. - * - decoding: Set by libavcodec. 0 or some bitrate if this info is available in the stream. - */ - int bit_rate; - - /** - * number of bits the bitstream is allowed to diverge from the reference. - * the reference can be CBR (for CBR pass1) or VBR (for pass2) - * - encoding: Set by user; unused for constant quantizer encoding. - * - decoding: unused - */ -//MT: int bit_rate_tolerance; - - /** - * CODEC_FLAG_*. - * - encoding: Set by user. - * - decoding: Set by user. - */ -//MT: int flags; - - /** - * Some codecs need additional format info. It is stored here. - * If any muxer uses this then ALL demuxers/parsers AND encoders for the - * specific codec MUST set it correctly otherwise stream copy breaks. - * In general use of this field by muxers is not recommanded. - * - encoding: Set by libavcodec. - * - decoding: Set by libavcodec. (FIXME: Is this OK?) - */ -//MT: int sub_id; - - /** - * Motion estimation algorithm used for video coding. - * 1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex), - * 8 (umh), 9 (iter), 10 (tesa) [7, 8, 10 are x264 specific, 9 is snow specific] - * - encoding: MUST be set by user. - * - decoding: unused - */ -//MT: int me_method; - - /** - * some codecs need / can use extradata like Huffman tables. - * mjpeg: Huffman tables - * rv10: additional flags - * mpeg4: global headers (they can be in the bitstream or here) - * The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger - * than extradata_size to avoid prolems if it is read with the bitstream reader. - * The bytewise contents of extradata must not depend on the architecture or CPU endianness. - * - encoding: Set/allocated/freed by libavcodec. - * - decoding: Set/allocated/freed by user. - */ - uint8_t *extradata; - int extradata_size; - - /** - * This is the fundamental unit of time (in seconds) in terms - * of which frame timestamps are represented. For fixed-fps content, - * timebase should be 1/framerate and timestamp increments should be - * identically 1. - * - encoding: MUST be set by user. - * - decoding: Set by libavcodec. - */ -//MT: AVRational time_base; - - /* video only */ - /** - * picture width / height. - * - encoding: MUST be set by user. - * - decoding: Set by libavcodec. - * Note: For compatibility it is possible to set this instead of - * coded_width/height before decoding. - */ -//MT: int width, height; - -//MT:#define FF_ASPECT_EXTENDED 15 - - /** - * the number of pictures in a group of pictures, or 0 for intra_only - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int gop_size; - - /** - * Pixel format, see PIX_FMT_xxx. - * - encoding: Set by user. - * - decoding: Set by libavcodec. - */ - //MT: enum PixelFormat pix_fmt; - - /** - * Frame rate emulation. If not zero, the lower layer (i.e. format handler) - * has to read frames at native frame rate. - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int rate_emu; - - /** - * If non NULL, 'draw_horiz_band' is called by the libavcodec - * decoder to draw a horizontal band. It improves cache usage. Not - * all codecs can do that. You must check the codec capabilities - * beforehand. - * The function is also used by hardware acceleration APIs. - * It is called at least once during frame decoding to pass - * the data needed for hardware render. - * In that mode instead of pixel data, AVFrame points to - * a structure specific to the acceleration API. The application - * reads the structure and can change some fields to indicate progress - * or mark state. - * - encoding: unused - * - decoding: Set by user. - * @param height the height of the slice - * @param y the y position of the slice - * @param type 1->top field, 2->bottom field, 3->frame - * @param offset offset into the AVFrame.data from which the slice should be read - */ - //MT: void (*draw_horiz_band)(struct AVCodecContext *s, - //Mt: const AVFrame *src, int offset[4], - //MT: int y, int type, int height); - - /* audio only */ - int sample_rate; ///< samples per second - int channels; ///< number of audio channels - - /** - * audio sample format - * - encoding: Set by user. - * - decoding: Set by libavcodec. - */ - enum SampleFormat sample_fmt; ///< sample format, currently unused - - /* The following data should not be initialized. */ - /** - * Samples per packet, initialized when calling 'init'. - */ - int frame_size; - int frame_number; ///< audio or video frame number -//MT: int real_pict_num; ///< Returns the real picture number of previous encoded frame. - - /** - * Number of frames the decoded output will be delayed relative to - * the encoded input. - * - encoding: Set by libavcodec. - * - decoding: unused - */ -//MT: int delay; - - /* - encoding parameters */ -//MT: float qcompress; ///< amount of qscale change between easy & hard scenes (0.0-1.0) -//MT: float qblur; ///< amount of qscale smoothing over time (0.0-1.0) - - /** - * minimum quantizer - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int qmin; - - /** - * maximum quantizer - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int qmax; - - /** - * maximum quantizer difference between frames - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int max_qdiff; - - /** - * maximum number of B-frames between non-B-frames - * Note: The output will be delayed by max_b_frames+1 relative to the input. - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int max_b_frames; - - /** - * qscale factor between IP and B-frames - * If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset). - * If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset). - * - encoding: Set by user. - * - decoding: unused - */ -//MT: float b_quant_factor; - - /** obsolete FIXME remove */ -//MT: int rc_strategy; -//MT:#define FF_RC_STRATEGY_XVID 1 - -//MT: int b_frame_strategy; - - /** - * hurry up amount - * - encoding: unused - * - decoding: Set by user. 1-> Skip B-frames, 2-> Skip IDCT/dequant too, 5-> Skip everything except header - * @deprecated Deprecated in favor of skip_idct and skip_frame. - */ -//MT: int hurry_up; - - struct AVCodec *codec; - - void *priv_data; - -//MT: int rtp_payload_size; /* The size of the RTP payload: the coder will */ - /* do its best to deliver a chunk with size */ - /* below rtp_payload_size, the chunk will start */ - /* with a start code on some codecs like H.263. */ - /* This doesn't take account of any particular */ - /* headers inside the transmitted RTP payload. */ - - - /* The RTP callback: This function is called */ - /* every time the encoder has a packet to send. */ - /* It depends on the encoder if the data starts */ - /* with a Start Code (it should). H.263 does. */ - /* mb_nb contains the number of macroblocks */ - /* encoded in the RTP payload. */ -//MT: void (*rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb); - - /* statistics, used for 2-pass encoding */ -//MT: int mv_bits; -//MT: int header_bits; -//MT: int i_tex_bits; - //MT: int p_tex_bits; -//MT: int i_count; - //MT: int p_count; - //MT: int skip_count; - //MT: int misc_bits; - - /** - * number of bits used for the previously encoded frame - * - encoding: Set by libavcodec. - * - decoding: unused - */ -//MT: int frame_bits; - - /** - * Private data of the user, can be used to carry app specific stuff. - * - encoding: Set by user. - * - decoding: Set by user. - */ -//MT: void *opaque; - - char codec_name[32]; - enum CodecType codec_type; /* see CODEC_TYPE_xxx */ - enum CodecID codec_id; /* see CODEC_ID_xxx */ - - /** - * fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). - * This is used to work around some encoder bugs. - * A demuxer should set this to what is stored in the field used to identify the codec. - * If there are multiple such fields in a container then the demuxer should choose the one - * which maximizes the information about the used codec. - * If the codec tag field in a container is larger then 32 bits then the demuxer should - * remap the longer ID to 32 bits with a table or other structure. Alternatively a new - * extra_codec_tag + size could be added but for this a clear advantage must be demonstrated - * first. - * - encoding: Set by user, if not then the default based on codec_id will be used. - * - decoding: Set by user, will be converted to uppercase by libavcodec during init. - */ -//MT: unsigned int codec_tag; - - /** - * Work around bugs in encoders which sometimes cannot be detected automatically. - * - encoding: Set by user - * - decoding: Set by user - */ -//MT: int workaround_bugs; -#define FF_BUG_AUTODETECT 1 ///< autodetection -#define FF_BUG_OLD_MSMPEG4 2 -#define FF_BUG_XVID_ILACE 4 -#define FF_BUG_UMP4 8 -#define FF_BUG_NO_PADDING 16 -#define FF_BUG_AMV 32 -#define FF_BUG_AC_VLC 0 ///< Will be removed, libavcodec can now handle these non-compliant files by default. -#define FF_BUG_QPEL_CHROMA 64 -#define FF_BUG_STD_QPEL 128 -#define FF_BUG_QPEL_CHROMA2 256 -#define FF_BUG_DIRECT_BLOCKSIZE 512 -#define FF_BUG_EDGE 1024 -#define FF_BUG_HPEL_CHROMA 2048 -#define FF_BUG_DC_CLIP 4096 -#define FF_BUG_MS 8192 ///< Work around various bugs in Microsoft's broken decoders. -//#define FF_BUG_FAKE_SCALABILITY 16 //Autodetection should work 100%. - - /** - * luma single coefficient elimination threshold - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int luma_elim_threshold; - - /** - * chroma single coeff elimination threshold - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int chroma_elim_threshold; - - /** - * strictly follow the standard (MPEG4, ...). - * - encoding: Set by user. - * - decoding: Set by user. - * Setting this to STRICT or higher means the encoder and decoder will - * generally do stupid things. While setting it to inofficial or lower - * will mean the encoder might use things that are not supported by all - * spec compliant decoders. Decoders make no difference between normal, - * inofficial and experimental, that is they always try to decode things - * when they can unless they are explicitly asked to behave stupid - * (=strictly conform to the specs) - */ -//MT: int strict_std_compliance; -#define FF_COMPLIANCE_VERY_STRICT 2 ///< Strictly conform to a older more strict version of the spec or reference software. -#define FF_COMPLIANCE_STRICT 1 ///< Strictly conform to all the things in the spec no matter what consequences. -#define FF_COMPLIANCE_NORMAL 0 -#define FF_COMPLIANCE_INOFFICIAL -1 ///< Allow inofficial extensions. -#define FF_COMPLIANCE_EXPERIMENTAL -2 ///< Allow nonstandardized experimental things. - - /** - * qscale offset between IP and B-frames - * - encoding: Set by user. - * - decoding: unused - */ -//MT: float b_quant_offset; - - /** - * Error recognization; higher values will detect more errors but may - * misdetect some more or less valid parts as errors. - * - encoding: unused - * - decoding: Set by user. - */ -//MT: int error_recognition; -#define FF_ER_CAREFUL 1 -#define FF_ER_COMPLIANT 2 -#define FF_ER_AGGRESSIVE 3 -#define FF_ER_VERY_AGGRESSIVE 4 - - /** - * Called at the beginning of each frame to get a buffer for it. - * If pic.reference is set then the frame will be read later by libavcodec. - * avcodec_align_dimensions() should be used to find the required width and - * height, as they normally need to be rounded up to the next multiple of 16. - * - encoding: unused - * - decoding: Set by libavcodec., user can override. - */ - //MT: int (*get_buffer)(struct AVCodecContext *c, AVFrame *pic); - - /** - * Called to release buffers which were allocated with get_buffer. - * A released buffer can be reused in get_buffer(). - * pic.data[*] must be set to NULL. - * - encoding: unused - * - decoding: Set by libavcodec., user can override. - */ -//MT: void (*release_buffer)(struct AVCodecContext *c, AVFrame *pic); - - /** - * Size of the frame reordering buffer in the decoder. - * For MPEG-2 it is 1 IPB or 0 low delay IP. - * - encoding: Set by libavcodec. - * - decoding: Set by libavcodec. - */ -//MT: int has_b_frames; - - /** - * number of bytes per packet if constant and known or 0 - * Used by some WAV based audio codecs. - */ - int block_align; - -//MT: int parse_only; /* - decoding only: If true, only parsing is done - /*(function avcodec_parse_frame()). The frame - data is returned. Only MPEG codecs support this now. */ - - /** - * 0-> h263 quant 1-> mpeg quant - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int mpeg_quant; - - /** - * pass1 encoding statistics output buffer - * - encoding: Set by libavcodec. - * - decoding: unused - */ -//MT: char *stats_out; - - /** - * pass2 encoding statistics input buffer - * Concatenated stuff from stats_out of pass1 should be placed here. - * - encoding: Allocated/set/freed by user. - * - decoding: unused - */ -//MT: char *stats_in; - - /** - * ratecontrol qmin qmax limiting method - * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax. - * - encoding: Set by user. - * - decoding: unused - */ -//MT: float rc_qsquish; - -//MT: float rc_qmod_amp; - //MT: int rc_qmod_freq; - - /** - * ratecontrol override, see RcOverride - * - encoding: Allocated/set/freed by user. - * - decoding: unused - */ - //MT: RcOverride *rc_override; - //MT: int rc_override_count; - - /** - * rate control equation - * - encoding: Set by user - * - decoding: unused - */ -//MT: const char *rc_eq; - - /** - * maximum bitrate - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int rc_max_rate; - - /** - * minimum bitrate - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int rc_min_rate; - - /** - * decoder bitstream buffer size - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int rc_buffer_size; - //MT: float rc_buffer_aggressivity; - - /** - * qscale factor between P and I-frames - * If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset). - * If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset). - * - encoding: Set by user. - * - decoding: unused - */ -//MT: float i_quant_factor; - - /** - * qscale offset between P and I-frames - * - encoding: Set by user. - * - decoding: unused - */ -//MT: float i_quant_offset; - - /** - * initial complexity for pass1 ratecontrol - * - encoding: Set by user. - * - decoding: unused - */ -//MT: float rc_initial_cplx; - - /** - * DCT algorithm, see FF_DCT_* below - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int dct_algo; -#define FF_DCT_AUTO 0 -#define FF_DCT_FASTINT 1 -#define FF_DCT_INT 2 -#define FF_DCT_MMX 3 -#define FF_DCT_MLIB 4 -#define FF_DCT_ALTIVEC 5 -#define FF_DCT_FAAN 6 - - /** - * luminance masking (0-> disabled) - * - encoding: Set by user. - * - decoding: unused - */ - //MT: float lumi_masking; - - /** - * temporary complexity masking (0-> disabled) - * - encoding: Set by user. - * - decoding: unused - */ - //MT: float temporal_cplx_masking; - - /** - * spatial complexity masking (0-> disabled) - * - encoding: Set by user. - * - decoding: unused - */ - //MT: float spatial_cplx_masking; - - /** - * p block masking (0-> disabled) - * - encoding: Set by user. - * - decoding: unused - */ - //MT: float p_masking; - - /** - * darkness masking (0-> disabled) - * - encoding: Set by user. - * - decoding: unused - */ - //MT: float dark_masking; - - /** - * IDCT algorithm, see FF_IDCT_* below. - * - encoding: Set by user. - * - decoding: Set by user. - */ - //MT: int idct_algo; -#define FF_IDCT_AUTO 0 -#define FF_IDCT_INT 1 -#define FF_IDCT_SIMPLE 2 -#define FF_IDCT_SIMPLEMMX 3 -#define FF_IDCT_LIBMPEG2MMX 4 -#define FF_IDCT_PS2 5 -#define FF_IDCT_MLIB 6 -#define FF_IDCT_ARM 7 -#define FF_IDCT_ALTIVEC 8 -#define FF_IDCT_SH4 9 -#define FF_IDCT_SIMPLEARM 10 -#define FF_IDCT_H264 11 -#define FF_IDCT_VP3 12 -#define FF_IDCT_IPP 13 -#define FF_IDCT_XVIDMMX 14 -#define FF_IDCT_CAVS 15 -#define FF_IDCT_SIMPLEARMV5TE 16 -#define FF_IDCT_SIMPLEARMV6 17 -#define FF_IDCT_SIMPLEVIS 18 -#define FF_IDCT_WMV2 19 -#define FF_IDCT_FAAN 20 -#define FF_IDCT_EA 21 -#define FF_IDCT_SIMPLENEON 22 -#define FF_IDCT_SIMPLEALPHA 23 - - /** - * slice count - * - encoding: Set by libavcodec. - * - decoding: Set by user (or 0). - */ -//MT: int slice_count; - /** - * slice offsets in the frame in bytes - * - encoding: Set/allocated by libavcodec. - * - decoding: Set/allocated by user (or NULL). - */ - //MT: int *slice_offset; - - /** - * error concealment flags - * - encoding: unused - * - decoding: Set by user. - */ -//MT: int error_concealment; -#define FF_EC_GUESS_MVS 1 -#define FF_EC_DEBLOCK 2 - - /** - * dsp_mask could be add used to disable unwanted CPU features - * CPU features (i.e. MMX, SSE. ...) - * - * With the FORCE flag you may instead enable given CPU features. - * (Dangerous: Usable in case of misdetection, improper usage however will - * result into program crash.) - */ - //MT: unsigned dsp_mask; -#define FF_MM_FORCE 0x80000000 /* Force usage of selected flags (OR) */ - /* lower 16 bits - CPU features */ -#define FF_MM_MMX 0x0001 ///< standard MMX -#define FF_MM_3DNOW 0x0004 ///< AMD 3DNOW -#define FF_MM_MMXEXT 0x0002 ///< SSE integer functions or AMD MMX ext -#define FF_MM_SSE 0x0008 ///< SSE functions -#define FF_MM_SSE2 0x0010 ///< PIV SSE2 functions -#define FF_MM_3DNOWEXT 0x0020 ///< AMD 3DNowExt -#define FF_MM_SSE3 0x0040 ///< Prescott SSE3 functions -#define FF_MM_SSSE3 0x0080 ///< Conroe SSSE3 functions -#define FF_MM_IWMMXT 0x0100 ///< XScale IWMMXT -#define FF_MM_ALTIVEC 0x0001 ///< standard AltiVec - - /** - * bits per sample/pixel from the demuxer (needed for huffyuv). - * - encoding: Set by libavcodec. - * - decoding: Set by user. - */ - //MT: int bits_per_coded_sample; - - /** - * prediction method (needed for huffyuv) - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int prediction_method; -#define FF_PRED_LEFT 0 -#define FF_PRED_PLANE 1 -#define FF_PRED_MEDIAN 2 - - /** - * sample aspect ratio (0 if unknown) - * That is the width of a pixel divided by the height of the pixel. - * Numerator and denominator must be relatively prime and smaller than 256 for some video standards. - * - encoding: Set by user. - * - decoding: Set by libavcodec. - */ - //MT: AVRational sample_aspect_ratio; - - /** - * the picture in the bitstream - * - encoding: Set by libavcodec. - * - decoding: Set by libavcodec. - */ - //MT: AVFrame *coded_frame; - - /** - * debug - * - encoding: Set by user. - * - decoding: Set by user. - */ - //MT: int debug; -#define FF_DEBUG_PICT_INFO 1 -#define FF_DEBUG_RC 2 -#define FF_DEBUG_BITSTREAM 4 -#define FF_DEBUG_MB_TYPE 8 -#define FF_DEBUG_QP 16 -#define FF_DEBUG_MV 32 -#define FF_DEBUG_DCT_COEFF 0x00000040 -#define FF_DEBUG_SKIP 0x00000080 -#define FF_DEBUG_STARTCODE 0x00000100 -#define FF_DEBUG_PTS 0x00000200 -#define FF_DEBUG_ER 0x00000400 -#define FF_DEBUG_MMCO 0x00000800 -#define FF_DEBUG_BUGS 0x00001000 -#define FF_DEBUG_VIS_QP 0x00002000 -#define FF_DEBUG_VIS_MB_TYPE 0x00004000 -#define FF_DEBUG_BUFFERS 0x00008000 - - /** - * debug - * - encoding: Set by user. - * - decoding: Set by user. - */ - //MT: int debug_mv; -#define FF_DEBUG_VIS_MV_P_FOR 0x00000001 //visualize forward predicted MVs of P frames -#define FF_DEBUG_VIS_MV_B_FOR 0x00000002 //visualize forward predicted MVs of B frames -#define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames - - /** - * error - * - encoding: Set by libavcodec if flags&CODEC_FLAG_PSNR. - * - decoding: unused - */ - uint64_t error[4]; - - /** - * minimum MB quantizer - * - encoding: unused - * - decoding: unused - */ -//MT: int mb_qmin; - - /** - * maximum MB quantizer - * - encoding: unused - * - decoding: unused - */ -//MT: int mb_qmax; - - /** - * motion estimation comparison function - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int me_cmp; - /** - * subpixel motion estimation comparison function - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int me_sub_cmp; - /** - * macroblock comparison function (not supported yet) - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int mb_cmp; - /** - * interlaced DCT comparison function - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int ildct_cmp; -#define FF_CMP_SAD 0 -#define FF_CMP_SSE 1 -#define FF_CMP_SATD 2 -#define FF_CMP_DCT 3 -#define FF_CMP_PSNR 4 -#define FF_CMP_BIT 5 -#define FF_CMP_RD 6 -#define FF_CMP_ZERO 7 -#define FF_CMP_VSAD 8 -#define FF_CMP_VSSE 9 -#define FF_CMP_NSSE 10 -#define FF_CMP_W53 11 -#define FF_CMP_W97 12 -#define FF_CMP_DCTMAX 13 -#define FF_CMP_DCT264 14 -#define FF_CMP_CHROMA 256 - - /** - * ME diamond size & shape - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int dia_size; - - /** - * amount of previous MV predictors (2a+1 x 2a+1 square) - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int last_predictor_count; - - /** - * prepass for motion estimation - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int pre_me; - - /** - * motion estimation prepass comparison function - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int me_pre_cmp; - - /** - * ME prepass diamond size & shape - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int pre_dia_size; - - /** - * subpel ME quality - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int me_subpel_quality; - - /** - * callback to negotiate the pixelFormat - * @param fmt is the list of formats which are supported by the codec, - * it is terminated by -1 as 0 is a valid format, the formats are ordered by quality. - * The first is always the native one. - * @return the chosen format - * - encoding: unused - * - decoding: Set by user, if not set the native format will be chosen. - */ - //MT: enum PixelFormat (*get_format)(struct AVCodecContext *s, const enum PixelFormat * fmt); - - /** - * DTG active format information (additional aspect ratio - * information only used in DVB MPEG-2 transport streams) - * 0 if not set. - * - * - encoding: unused - * - decoding: Set by decoder. - */ - //MT: int dtg_active_format; -#define FF_DTG_AFD_SAME 8 -#define FF_DTG_AFD_4_3 9 -#define FF_DTG_AFD_16_9 10 -#define FF_DTG_AFD_14_9 11 -#define FF_DTG_AFD_4_3_SP_14_9 13 -#define FF_DTG_AFD_16_9_SP_14_9 14 -#define FF_DTG_AFD_SP_4_3 15 - - /** - * maximum motion estimation search range in subpel units - * If 0 then no limit. - * - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int me_range; - - /** - * intra quantizer bias - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int intra_quant_bias; -#define FF_DEFAULT_QUANT_BIAS 999999 - - /** - * inter quantizer bias - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int inter_quant_bias; - - /** - * color table ID - * - encoding: unused - * - decoding: Which clrtable should be used for 8bit RGB images. - * Tables have to be stored somewhere. FIXME - */ - //MT: int color_table_id; - - /** - * internal_buffer count - * Don't touch, used by libavcodec default_get_buffer(). - */ - //MT: int internal_buffer_count; - - /** - * internal_buffers - * Don't touch, used by libavcodec default_get_buffer(). - */ - void *internal_buffer; - -#define FF_LAMBDA_SHIFT 7 -#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT) -#define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda -#define FF_LAMBDA_MAX (256*128-1) - -#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove - /** - * Global quality for codecs which cannot change it per frame. - * This should be proportional to MPEG-1/2/4 qscale. - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int global_quality; - -#define FF_CODER_TYPE_VLC 0 -#define FF_CODER_TYPE_AC 1 -#define FF_CODER_TYPE_RAW 2 -#define FF_CODER_TYPE_RLE 3 -#define FF_CODER_TYPE_DEFLATE 4 - /** - * coder type - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int coder_type; - - /** - * context model - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int context_model; -#if 0 - /** - * - * - encoding: unused - * - decoding: Set by user. - */ - uint8_t * (*realloc)(struct AVCodecContext *s, uint8_t *buf, int buf_size); -#endif - - /** - * slice flags - * - encoding: unused - * - decoding: Set by user. - */ - //MT: int slice_flags; -#define SLICE_FLAG_CODED_ORDER 0x0001 ///< draw_horiz_band() is called in coded order instead of display -#define SLICE_FLAG_ALLOW_FIELD 0x0002 ///< allow draw_horiz_band() with field slices (MPEG2 field pics) -#define SLICE_FLAG_ALLOW_PLANE 0x0004 ///< allow draw_horiz_band() with 1 component at a time (SVQ1) - - /** - * XVideo Motion Acceleration - * - encoding: forbidden - * - decoding: set by decoder - */ -//MT: int xvmc_acceleration; - - /** - * macroblock decision mode - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int mb_decision; -#define FF_MB_DECISION_SIMPLE 0 ///< uses mb_cmp -#define FF_MB_DECISION_BITS 1 ///< chooses the one which needs the fewest bits -#define FF_MB_DECISION_RD 2 ///< rate distortion - - /** - * custom intra quantization matrix - * - encoding: Set by user, can be NULL. - * - decoding: Set by libavcodec. - */ - //MT: uint16_t *intra_matrix; - - /** - * custom inter quantization matrix - * - encoding: Set by user, can be NULL. - * - decoding: Set by libavcodec. - */ - //MT: uint16_t *inter_matrix; - - /** - * fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). - * This is used to work around some encoder bugs. - * - encoding: unused - * - decoding: Set by user, will be converted to uppercase by libavcodec during init. - */ - //MT: unsigned int stream_codec_tag; - - /** - * scene change detection threshold - * 0 is default, larger means fewer detected scene changes. - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int scenechange_threshold; - - /** - * minimum Lagrange multipler - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int lmin; - - /** - * maximum Lagrange multipler - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int lmax; - - /** - * palette control structure - * - encoding: ??? (no palette-enabled encoder yet) - * - decoding: Set by user. - */ - //MT: struct AVPaletteControl *palctrl; - - /** - * noise reduction strength - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int noise_reduction; - - /** - * Called at the beginning of a frame to get cr buffer for it. - * Buffer type (size, hints) must be the same. libavcodec won't check it. - * libavcodec will pass previous buffer in pic, function should return - * same buffer or new buffer with old frame "painted" into it. - * If pic.data[0] == NULL must behave like get_buffer(). - * - encoding: unused - * - decoding: Set by libavcodec., user can override - */ -//MT: int (*reget_buffer)(struct AVCodecContext *c, AVFrame *pic); - - /** - * Number of bits which should be loaded into the rc buffer before decoding starts. - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int rc_initial_buffer_occupancy; - - /** - * - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int inter_threshold; - - /** - * CODEC_FLAG2_* - * - encoding: Set by user. - * - decoding: Set by user. - */ - //MT: int flags2; - - /** - * Simulates errors in the bitstream to test error concealment. - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int error_rate; - - /** - * MP3 antialias algorithm, see FF_AA_* below. - * - encoding: unused - * - decoding: Set by user. - */ - //MT: int antialias_algo; -#define FF_AA_AUTO 0 -#define FF_AA_FASTINT 1 //not implemented yet -#define FF_AA_INT 2 -#define FF_AA_FLOAT 3 - /** - * quantizer noise shaping - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int quantizer_noise_shaping; - - /** - * thread count - * is used to decide how many independent tasks should be passed to execute() - * - encoding: Set by user. - * - decoding: Set by user. - */ - //MT: int thread_count; - - /** - * The codec may call this to execute several independent things. - * It will return only after finishing all tasks. - * The user may replace this with some multithreaded implementation, - * the default implementation will execute the parts serially. - * @param count the number of things to execute - * - encoding: Set by libavcodec, user can override. - * - decoding: Set by libavcodec, user can override. - */ - //MT: int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size); - - /** - * thread opaque - * Can be used by execute() to store some per AVCodecContext stuff. - * - encoding: set by execute() - * - decoding: set by execute() - */ - //MT: void *thread_opaque; - - /** - * Motion estimation threshold below which no motion estimation is - * performed, but instead the user specified motion vectors are used. - * - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int me_threshold; - - /** - * Macroblock threshold below which the user specified macroblock types will be used. - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int mb_threshold; - - /** - * precision of the intra DC coefficient - 8 - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int intra_dc_precision; - - /** - * noise vs. sse weight for the nsse comparsion function - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int nsse_weight; - - /** - * Number of macroblock rows at the top which are skipped. - * - encoding: unused - * - decoding: Set by user. - */ - //MT: int skip_top; - - /** - * Number of macroblock rows at the bottom which are skipped. - * - encoding: unused - * - decoding: Set by user. - */ - //MT: int skip_bottom; - - /** - * profile - * - encoding: Set by user. - * - decoding: Set by libavcodec. - */ - //MT: int profile; -#define FF_PROFILE_UNKNOWN -99 -#define FF_PROFILE_AAC_MAIN 0 -#define FF_PROFILE_AAC_LOW 1 -#define FF_PROFILE_AAC_SSR 2 -#define FF_PROFILE_AAC_LTP 3 - - /** - * level - * - encoding: Set by user. - * - decoding: Set by libavcodec. - */ - //MT: int level; -#define FF_LEVEL_UNKNOWN -99 - - /** - * low resolution decoding, 1-> 1/2 size, 2->1/4 size - * - encoding: unused - * - decoding: Set by user. - */ - //MT: int lowres; - - /** - * Bitstream width / height, may be different from width/height if lowres - * or other things are used. - * - encoding: unused - * - decoding: Set by user before init if known. Codec should override / dynamically change if needed. - */ - //MT: int coded_width, coded_height; - - /** - * frame skip threshold - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int frame_skip_threshold; - - /** - * frame skip factor - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int frame_skip_factor; - - /** - * frame skip exponent - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int frame_skip_exp; - - /** - * frame skip comparison function - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int frame_skip_cmp; - - /** - * Border processing masking, raises the quantizer for mbs on the borders - * of the picture. - * - encoding: Set by user. - * - decoding: unused - */ -//MT: float border_masking; - - /** - * minimum MB lagrange multipler - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int mb_lmin; - - /** - * maximum MB lagrange multipler - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int mb_lmax; - - /** - * - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int me_penalty_compensation; - - /** - * - * - encoding: unused - * - decoding: Set by user. - */ - //MT: enum AVDiscard skip_loop_filter; - - /** - * - * - encoding: unused - * - decoding: Set by user. - */ - //MT: enum AVDiscard skip_idct; - - /** - * - * - encoding: unused - * - decoding: Set by user. - */ - //MT: enum AVDiscard skip_frame; - - /** - * - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int bidir_refine; - - /** - * - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int brd_scale; - - /** - * constant rate factor - quality-based VBR - values ~correspond to qps - * - encoding: Set by user. - * - decoding: unused - */ - //MT: float crf; - - /** - * constant quantization parameter rate control method - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int cqp; - - /** - * minimum GOP size - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int keyint_min; - - /** - * number of reference frames - * - encoding: Set by user. - * - decoding: Set by lavc. - */ - //MT: int refs; - - /** - * chroma qp offset from luma - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int chromaoffset; - - /** - * Influences how often B-frames are used. - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int bframebias; - - /** - * trellis RD quantization - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int trellis; - - /** - * Reduce fluctuations in qp (before curve compression). - * - encoding: Set by user. - * - decoding: unused - */ -//MT: float complexityblur; - - /** - * in-loop deblocking filter alphac0 parameter - * alpha is in the range -6...6 - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int deblockalpha; - - /** - * in-loop deblocking filter beta parameter - * beta is in the range -6...6 - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int deblockbeta; - - /** - * macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4 - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int partitions; -#define X264_PART_I4X4 0x001 /* Analyze i4x4 */ -#define X264_PART_I8X8 0x002 /* Analyze i8x8 (requires 8x8 transform) */ -#define X264_PART_P8X8 0x010 /* Analyze p16x8, p8x16 and p8x8 */ -#define X264_PART_P4X4 0x020 /* Analyze p8x4, p4x8, p4x4 */ -#define X264_PART_B8X8 0x100 /* Analyze b16x8, b8x16 and b8x8 */ - - /** - * direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto) - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int directpred; - - /** - * Audio cutoff bandwidth (0 means "automatic") - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int cutoff; - - /** - * Multiplied by qscale for each frame and added to scene_change_score. - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int scenechange_factor; - - /** - * - * Note: Value depends upon the compare function used for fullpel ME. - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int mv0_threshold; - - /** - * Adjusts sensitivity of b_frame_strategy 1. - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int b_sensitivity; - - /** - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int compression_level; -#define FF_COMPRESSION_DEFAULT -1 - - /** - * Sets whether to use LPC mode - used by FLAC encoder. - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int use_lpc; - - /** - * LPC coefficient precision - used by FLAC encoder - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int lpc_coeff_precision; - - /** - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int min_prediction_order; - - /** - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int max_prediction_order; - - /** - * search method for selecting prediction order - * - encoding: Set by user. - * - decoding: unused - */ -//MT: int prediction_order_method; - - /** - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int min_partition_order; - - /** - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int max_partition_order; - - /** - * GOP timecode frame start number, in non drop frame format - * - encoding: Set by user. - * - decoding: unused - */ - //MT: int64_t timecode_frame_start; - -#if LIBAVCODEC_VERSION_MAJOR < 53 - /** - * Decoder should decode to this many channels if it can (0 for default) - * - encoding: unused - * - decoding: Set by user. - * @deprecated Deprecated in favor of request_channel_layout. - */ - //MT: int request_channels; -#endif - - /** - * Percentage of dynamic range compression to be applied by the decoder. - * The default value is 1.0, corresponding to full compression. - * - encoding: unused - * - decoding: Set by user. - */ - //MT: float drc_scale; - - /** - * opaque 64bit number (generally a PTS) that will be reordered and - * output in AVFrame.reordered_opaque - * - encoding: unused - * - decoding: Set by user. - */ - //MT: int64_t reordered_opaque; - - /** - * Bits per sample/pixel of internal libavcodec pixel/sample format. - * This field is applicable only when sample_fmt is SAMPLE_FMT_S32. - * - encoding: set by user. - * - decoding: set by libavcodec. - */ - //MT: int bits_per_raw_sample; - - /** - * Audio channel layout. - * - encoding: set by user. - * - decoding: set by libavcodec. - */ - int64_t channel_layout; - - /** - * Request decoder to use this channel layout if it can (0 for default) - * - encoding: unused - * - decoding: Set by user. - */ -//MT: int64_t request_channel_layout; - - /** - * Ratecontrol attempt to use, at maximum, <value> of what can be used without an underflow. - * - encoding: Set by user. - * - decoding: unused. - */ - //MT: float rc_max_available_vbv_use; - - /** - * Ratecontrol attempt to use, at least, <value> times the amount needed to prevent a vbv overflow. - * - encoding: Set by user. - * - decoding: unused. - */ -//MT: float rc_min_vbv_overflow_use; - - /** - * Hardware accelerator in use - * - encoding: unused. - * - decoding: Set by libavcodec - */ -//MT: struct AVHWAccel *hwaccel; - - /** - * For some codecs, the time base is closer to the field rate than the frame rate. - * Most notably, H.264 and MPEG-2 specify time_base as half of frame duration - * if no telecine is used ... - * - * Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2. - */ -//MT: int ticks_per_frame; - - /** - * Hardware accelerator context. - * For some hardware accelerators, a global context needs to be - * provided by the user. In that case, this holds display-dependent - * data FFmpeg cannot instantiate itself. Please refer to the - * FFmpeg HW accelerator documentation to know how to fill this - * is. e.g. for VA API, this is a struct vaapi_context. - * - encoding: unused - * - decoding: Set by user - */ - //MT: void *hwaccel_context; -} AVCodecContext; - -/** - * AVCodec. - */ -typedef struct AVCodec { - /** - * Name of the codec implementation. - * The name is globally unique among encoders and among decoders (but an - * encoder and a decoder can share the same name). - * This is the primary way to find a codec from the user perspective. - */ - const char *name; - enum CodecType type; - enum CodecID id; - int priv_data_size; - int (*init)(AVCodecContext *); - int (*encode)(AVCodecContext *, uint8_t *buf, int buf_size, void *data); - int (*close)(AVCodecContext *); - int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, - const uint8_t *buf, int buf_size); - /** - * Codec capabilities. - * see CODEC_CAP_* - */ -//MT: int capabilities; -//MT: struct AVCodec *next; - /** - * Flush buffers. - * Will be called when seeking - */ -//MT: void (*flush)(AVCodecContext *); - //MT: const AVRational *supported_framerates; ///< array of supported framerates, or NULL if any, array is terminated by {0,0} - //MT: const enum PixelFormat *pix_fmts; ///< array of supported pixel formats, or NULL if unknown, array is terminated by -1 - /** - * Descriptive name for the codec, meant to be more human readable than \p name. - * You \e should use the NULL_IF_CONFIG_SMALL() macro to define it. - */ - const char *long_name; - const int *supported_samplerates; ///< array of supported audio samplerates, or NULL if unknown, array is terminated by 0 - const enum SampleFormat *sample_fmts; ///< array of supported sample formats, or NULL if unknown, array is terminated by -1 - const int64_t *channel_layouts; ///< array of support channel layouts, or NULL if unknown. array is terminated by 0 -} AVCodec; - -#if 0 /* MT : DELETE THIS LINE ONLY. */ -/** - * AVHWAccel. - */ -typedef struct AVHWAccel { - /** - * Name of the hardware accelerated codec. - * The name is globally unique among encoders and among decoders (but an - * encoder and a decoder can share the same name). - */ - const char *name; - - /** - * Type of codec implemented by the hardware accelerator. - * - * See CODEC_TYPE_xxx - */ - enum CodecType type; - - /** - * Codec implemented by the hardware accelerator. - * - * See CODEC_ID_xxx - */ - enum CodecID id; - - /** - * Supported pixel format. - * - * Only hardware accelerated formats are supported here. - */ - enum PixelFormat pix_fmt; - - /** - * Hardware accelerated codec capabilities. - * see FF_HWACCEL_CODEC_CAP_* - */ - int capabilities; - - struct AVHWAccel *next; - - /** - * Called at the beginning of each frame or field picture. - * - * Meaningful frame information (codec specific) is guaranteed to - * be parsed at this point. This function is mandatory. - * - * Note that \p buf can be NULL along with \p buf_size set to 0. - * Otherwise, this means the whole frame is available at this point. - * - * @param avctx the codec context - * @param buf the frame data buffer base - * @param buf_size the size of the frame in bytes - * @return zero if successful, a negative value otherwise - */ - int (*start_frame)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size); - - /** - * Callback for each slice. - * - * Meaningful slice information (codec specific) is guaranteed to - * be parsed at this point. This function is mandatory. - * - * @param avctx the codec context - * @param buf the slice data buffer base - * @param buf_size the size of the slice in bytes - * @return zero if successful, a negative value otherwise - */ - int (*decode_slice)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size); - - /** - * Called at the end of each frame or field picture. - * - * The whole picture is parsed at this point and can now be sent - * to the hardware accelerator. This function is mandatory. - * - * @param avctx the codec context - * @return zero if successful, a negative value otherwise - */ - int (*end_frame)(AVCodecContext *avctx); - - /** - * Size of HW accelerator private data. - * - * Private data is allocated with av_mallocz() before - * AVCodecContext.get_buffer() and deallocated after - * AVCodecContext.release_buffer(). - */ - int priv_data_size; -} AVHWAccel; - -/** - * four components are given, that's all. - * the last component is alpha - */ -typedef struct AVPicture { - uint8_t *data[4]; - int linesize[4]; ///< number of bytes per line -} AVPicture; - -/** - * AVPaletteControl - * This structure defines a method for communicating palette changes - * between and demuxer and a decoder. - * - * @deprecated Use AVPacket to send palette changes instead. - * This is totally broken. - */ -#define AVPALETTE_SIZE 1024 -#define AVPALETTE_COUNT 256 -typedef struct AVPaletteControl { - - /* Demuxer sets this to 1 to indicate the palette has changed; - * decoder resets to 0. */ - int palette_changed; - - /* 4-byte ARGB palette entries, stored in native byte order; note that - * the individual palette components should be on a 8-bit scale; if - * the palette data comes from an IBM VGA native format, the component - * data is probably 6 bits in size and needs to be scaled. */ - unsigned int palette[AVPALETTE_COUNT]; - -} AVPaletteControl attribute_deprecated; - -enum AVSubtitleType { - SUBTITLE_NONE, - - SUBTITLE_BITMAP, ///< A bitmap, pict will be set - - /** - * Plain text, the text field must be set by the decoder and is - * authoritative. ass and pict fields may contain approximations. - */ - SUBTITLE_TEXT, - - /** - * Formatted text, the ass field must be set by the decoder and is - * authoritative. pict and text fields may contain approximations. - */ - SUBTITLE_ASS, -}; - -typedef struct AVSubtitleRect { - int x; ///< top left corner of pict, undefined when pict is not set - int y; ///< top left corner of pict, undefined when pict is not set - int w; ///< width of pict, undefined when pict is not set - int h; ///< height of pict, undefined when pict is not set - int nb_colors; ///< number of colors in pict, undefined when pict is not set - - /** - * data+linesize for the bitmap of this subtitle. - * can be set for text/ass as well once they where rendered - */ - AVPicture pict; - enum AVSubtitleType type; - - char *text; ///< 0 terminated plain UTF-8 text - - /** - * 0 terminated ASS/SSA compatible event line. - * The pressentation of this is unaffected by the other values in this - * struct. - */ - char *ass; -} AVSubtitleRect; - -typedef struct AVSubtitle { - uint16_t format; /* 0 = graphics */ - uint32_t start_display_time; /* relative to packet pts, in ms */ - uint32_t end_display_time; /* relative to packet pts, in ms */ - unsigned num_rects; - AVSubtitleRect **rects; -} AVSubtitle; - - -/* resample.c */ - -struct ReSampleContext; -struct AVResampleContext; - -typedef struct ReSampleContext ReSampleContext; - -#if LIBAVCODEC_VERSION_MAJOR < 53 -/** - * @deprecated Use av_audio_resample_init() instead. - */ -attribute_deprecated ReSampleContext *audio_resample_init(int output_channels, int input_channels, - int output_rate, int input_rate); -#endif -/** - * Initializes audio resampling context - * - * @param output_channels number of output channels - * @param input_channels number of input channels - * @param output_rate output sample rate - * @param input_rate input sample rate - * @param sample_fmt_out requested output sample format - * @param sample_fmt_in input sample format - * @param filter_length length of each FIR filter in the filterbank relative to the cutoff freq - * @param log2_phase_count log2 of the number of entries in the polyphase filterbank - * @param linear If 1 then the used FIR filter will be linearly interpolated - between the 2 closest, if 0 the closest will be used - * @param cutoff cutoff frequency, 1.0 corresponds to half the output sampling rate - * @return allocated ReSampleContext, NULL if error occured - */ -ReSampleContext *av_audio_resample_init(int output_channels, int input_channels, - int output_rate, int input_rate, - enum SampleFormat sample_fmt_out, - enum SampleFormat sample_fmt_in, - int filter_length, int log2_phase_count, - int linear, double cutoff); - -int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples); -void audio_resample_close(ReSampleContext *s); - - -/** - * Initializes an audio resampler. - * Note, if either rate is not an integer then simply scale both rates up so they are. - * @param filter_length length of each FIR filter in the filterbank relative to the cutoff freq - * @param log2_phase_count log2 of the number of entries in the polyphase filterbank - * @param linear If 1 then the used FIR filter will be linearly interpolated - between the 2 closest, if 0 the closest will be used - * @param cutoff cutoff frequency, 1.0 corresponds to half the output sampling rate - */ -struct AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_length, int log2_phase_count, int linear, double cutoff); - -/** - * resamples. - * @param src an array of unconsumed samples - * @param consumed the number of samples of src which have been consumed are returned here - * @param src_size the number of unconsumed samples available - * @param dst_size the amount of space in samples available in dst - * @param update_ctx If this is 0 then the context will not be modified, that way several channels can be resampled with the same context. - * @return the number of samples written in dst or -1 if an error occurred - */ -int av_resample(struct AVResampleContext *c, short *dst, short *src, int *consumed, int src_size, int dst_size, int update_ctx); - - -/** - * Compensates samplerate/timestamp drift. The compensation is done by changing - * the resampler parameters, so no audible clicks or similar distortions occur - * @param compensation_distance distance in output samples over which the compensation should be performed - * @param sample_delta number of output samples which should be output less - * - * example: av_resample_compensate(c, 10, 500) - * here instead of 510 samples only 500 samples would be output - * - * note, due to rounding the actual compensation might be slightly different, - * especially if the compensation_distance is large and the in_rate used during init is small - */ -void av_resample_compensate(struct AVResampleContext *c, int sample_delta, int compensation_distance); -void av_resample_close(struct AVResampleContext *c); - -/** - * Allocate memory for a picture. Call avpicture_free to free it. - * - * @param picture the picture to be filled in - * @param pix_fmt the format of the picture - * @param width the width of the picture - * @param height the height of the picture - * @return zero if successful, a negative value if not - */ -int avpicture_alloc(AVPicture *picture, int pix_fmt, int width, int height); - -/** - * Free a picture previously allocated by avpicture_alloc(). - * - * @param picture the AVPicture to be freed - */ -void avpicture_free(AVPicture *picture); - -/** - * Fill in the AVPicture fields. - * The fields of the given AVPicture are filled in by using the 'ptr' address - * which points to the image data buffer. Depending on the specified picture - * format, one or multiple image data pointers and line sizes will be set. - * If a planar format is specified, several pointers will be set pointing to - * the different picture planes and the line sizes of the different planes - * will be stored in the lines_sizes array. - * - * @param picture AVPicture whose fields are to be filled in - * @param ptr Buffer which will contain or contains the actual image data - * @param pix_fmt The format in which the picture data is stored. - * @param width the width of the image in pixels - * @param height the height of the image in pixels - * @return size of the image data in bytes - */ -int avpicture_fill(AVPicture *picture, uint8_t *ptr, - int pix_fmt, int width, int height); -int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height, - unsigned char *dest, int dest_size); - -/** - * Calculate the size in bytes that a picture of the given width and height - * would occupy if stored in the given picture format. - * - * @param pix_fmt the given picture format - * @param width the width of the image - * @param height the height of the image - * @return Image data size in bytes - */ -int avpicture_get_size(int pix_fmt, int width, int height); -void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift); -const char *avcodec_get_pix_fmt_name(int pix_fmt); -void avcodec_set_dimensions(AVCodecContext *s, int width, int height); -enum PixelFormat avcodec_get_pix_fmt(const char* name); -unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat p); - -#define FF_LOSS_RESOLUTION 0x0001 /**< loss due to resolution change */ -#define FF_LOSS_DEPTH 0x0002 /**< loss due to color depth change */ -#define FF_LOSS_COLORSPACE 0x0004 /**< loss due to color space conversion */ -#define FF_LOSS_ALPHA 0x0008 /**< loss of alpha bits */ -#define FF_LOSS_COLORQUANT 0x0010 /**< loss due to color quantization */ -#define FF_LOSS_CHROMA 0x0020 /**< loss of chroma (e.g. RGB to gray conversion) */ - -/** - * Computes what kind of losses will occur when converting from one specific - * pixel format to another. - * When converting from one pixel format to another, information loss may occur. - * For example, when converting from RGB24 to GRAY, the color information will - * be lost. Similarly, other losses occur when converting from some formats to - * other formats. These losses can involve loss of chroma, but also loss of - * resolution, loss of color depth, loss due to the color space conversion, loss - * of the alpha bits or loss due to color quantization. - * avcodec_get_fix_fmt_loss() informs you about the various types of losses - * which will occur when converting from one pixel format to another. - * - * @param[in] dst_pix_fmt destination pixel format - * @param[in] src_pix_fmt source pixel format - * @param[in] has_alpha Whether the source pixel format alpha channel is used. - * @return Combination of flags informing you what kind of losses will occur. - */ -int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt, - int has_alpha); - -/** - * Finds the best pixel format to convert to given a certain source pixel - * format. When converting from one pixel format to another, information loss - * may occur. For example, when converting from RGB24 to GRAY, the color - * information will be lost. Similarly, other losses occur when converting from - * some formats to other formats. avcodec_find_best_pix_fmt() searches which of - * the given pixel formats should be used to suffer the least amount of loss. - * The pixel formats from which it chooses one, are determined by the - * \p pix_fmt_mask parameter. - * - * @code - * src_pix_fmt = PIX_FMT_YUV420P; - * pix_fmt_mask = (1 << PIX_FMT_YUV422P) || (1 << PIX_FMT_RGB24); - * dst_pix_fmt = avcodec_find_best_pix_fmt(pix_fmt_mask, src_pix_fmt, alpha, &loss); - * @endcode - * - * @param[in] pix_fmt_mask bitmask determining which pixel format to choose from - * @param[in] src_pix_fmt source pixel format - * @param[in] has_alpha Whether the source pixel format alpha channel is used. - * @param[out] loss_ptr Combination of flags informing you what kind of losses will occur. - * @return The best pixel format to convert to or -1 if none was found. - */ -int avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, int src_pix_fmt, - int has_alpha, int *loss_ptr); - - -/** - * Print in buf the string corresponding to the pixel format with - * number pix_fmt, or an header if pix_fmt is negative. - * - * @param[in] buf the buffer where to write the string - * @param[in] buf_size the size of buf - * @param[in] pix_fmt the number of the pixel format to print the corresponding info string, or - * a negative value to print the corresponding header. - * Meaningful values for obtaining a pixel format info vary from 0 to PIX_FMT_NB -1. - */ -void avcodec_pix_fmt_string (char *buf, int buf_size, int pix_fmt); - -#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */ -#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */ - -/** - * Tell if an image really has transparent alpha values. - * @return ored mask of FF_ALPHA_xxx constants - */ -int img_get_alpha_info(const AVPicture *src, - int pix_fmt, int width, int height); - -/* deinterlace a picture */ -/* deinterlace - if not supported return -1 */ -int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, - int pix_fmt, int width, int height); - -/* external high level API */ - -/** - * If c is NULL, returns the first registered codec, - * if c is non-NULL, returns the next registered codec after c, - * or NULL if c is the last one. - */ -AVCodec *av_codec_next(AVCodec *c); - -/** - * Returns the LIBAVCODEC_VERSION_INT constant. - */ -unsigned avcodec_version(void); - -/** - * Initializes libavcodec. - * - * @warning This function \e must be called before any other libavcodec - * function. - */ -void avcodec_init(void); - -#if LIBAVCODEC_VERSION_MAJOR < 53 -/** - * @deprecated Deprecated in favor of avcodec_register(). - */ -attribute_deprecated void register_avcodec(AVCodec *codec); -#endif - -/** - * Register the codec \p codec and initialize libavcodec. - * - * @see avcodec_init() - */ -void avcodec_register(AVCodec *codec); - -/** - * Finds a registered encoder with a matching codec ID. - * - * @param id CodecID of the requested encoder - * @return An encoder if one was found, NULL otherwise. - */ -AVCodec *avcodec_find_encoder(enum CodecID id); - -/** - * Finds a registered encoder with the specified name. - * - * @param name name of the requested encoder - * @return An encoder if one was found, NULL otherwise. - */ -AVCodec *avcodec_find_encoder_by_name(const char *name); - -/** - * Finds a registered decoder with a matching codec ID. - * - * @param id CodecID of the requested decoder - * @return A decoder if one was found, NULL otherwise. - */ -AVCodec *avcodec_find_decoder(enum CodecID id); - -/** - * Finds a registered decoder with the specified name. - * - * @param name name of the requested decoder - * @return A decoder if one was found, NULL otherwise. - */ -AVCodec *avcodec_find_decoder_by_name(const char *name); -void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode); - -/** - * Sets the fields of the given AVCodecContext to default values. - * - * @param s The AVCodecContext of which the fields should be set to default values. - */ -void avcodec_get_context_defaults(AVCodecContext *s); - -/** THIS FUNCTION IS NOT YET PART OF THE PUBLIC API! - * we WILL change its arguments and name a few times! */ -void avcodec_get_context_defaults2(AVCodecContext *s, enum CodecType); - -/** - * Allocates an AVCodecContext and sets its fields to default values. The - * resulting struct can be deallocated by simply calling av_free(). - * - * @return An AVCodecContext filled with default values or NULL on failure. - * @see avcodec_get_context_defaults - */ -AVCodecContext *avcodec_alloc_context(void); - -/** THIS FUNCTION IS NOT YET PART OF THE PUBLIC API! - * we WILL change its arguments and name a few times! */ -AVCodecContext *avcodec_alloc_context2(enum CodecType); - -/** - * Sets the fields of the given AVFrame to default values. - * - * @param pic The AVFrame of which the fields should be set to default values. - */ -void avcodec_get_frame_defaults(AVFrame *pic); - -/** - * Allocates an AVFrame and sets its fields to default values. The resulting - * struct can be deallocated by simply calling av_free(). - * - * @return An AVFrame filled with default values or NULL on failure. - * @see avcodec_get_frame_defaults - */ -AVFrame *avcodec_alloc_frame(void); - -int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic); -void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic); -int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic); -void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height); - -/** - * Checks if the given dimension of a picture is valid, meaning that all - * bytes of the picture can be addressed with a signed int. - * - * @param[in] w Width of the picture. - * @param[in] h Height of the picture. - * @return Zero if valid, a negative value if invalid. - */ -int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h); -enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt); - -int avcodec_thread_init(AVCodecContext *s, int thread_count); -void avcodec_thread_free(AVCodecContext *s); -int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size); -int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size); -//FIXME func typedef - -/** - * Initializes the AVCodecContext to use the given AVCodec. Prior to using this - * function the context has to be allocated. - * - * The functions avcodec_find_decoder_by_name(), avcodec_find_encoder_by_name(), - * avcodec_find_decoder() and avcodec_find_encoder() provide an easy way for - * retrieving a codec. - * - * @warning This function is not thread safe! - * - * @code - * avcodec_register_all(); - * codec = avcodec_find_decoder(CODEC_ID_H264); - * if (!codec) - * exit(1); - * - * context = avcodec_alloc_context(); - * - * if (avcodec_open(context, codec) < 0) - * exit(1); - * @endcode - * - * @param avctx The context which will be set up to use the given codec. - * @param codec The codec to use within the context. - * @return zero on success, a negative value on error - * @see avcodec_alloc_context, avcodec_find_decoder, avcodec_find_encoder - */ -int avcodec_open(AVCodecContext *avctx, AVCodec *codec); - -/** - * Decodes an audio frame from \p buf into \p samples. - * The avcodec_decode_audio2() function decodes an audio frame from the input - * buffer \p buf of size \p buf_size. To decode it, it makes use of the - * audio codec which was coupled with \p avctx using avcodec_open(). The - * resulting decoded frame is stored in output buffer \p samples. If no frame - * could be decompressed, \p frame_size_ptr is zero. Otherwise, it is the - * decompressed frame size in \e bytes. - * - * @warning You \e must set \p frame_size_ptr to the allocated size of the - * output buffer before calling avcodec_decode_audio2(). - * - * @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than - * the actual read bytes because some optimized bitstream readers read 32 or 64 - * bits at once and could read over the end. - * - * @warning The end of the input buffer \p buf should be set to 0 to ensure that - * no overreading happens for damaged MPEG streams. - * - * @note You might have to align the input buffer \p buf and output buffer \p - * samples. The alignment requirements depend on the CPU: On some CPUs it isn't - * necessary at all, on others it won't work at all if not aligned and on others - * it will work but it will have an impact on performance. In practice, the - * bitstream should have 4 byte alignment at minimum and all sample data should - * be 16 byte aligned unless the CPU doesn't need it (AltiVec and SSE do). If - * the linesize is not a multiple of 16 then there's no sense in aligning the - * start of the buffer to 16. - * - * @param avctx the codec context - * @param[out] samples the output buffer - * @param[in,out] frame_size_ptr the output buffer size in bytes - * @param[in] buf the input buffer - * @param[in] buf_size the input buffer size in bytes - * @return On error a negative value is returned, otherwise the number of bytes - * used or zero if no frame could be decompressed. - */ -int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples, - int *frame_size_ptr, - const uint8_t *buf, int buf_size); - -/** - * Decodes a video frame from \p buf into \p picture. - * The avcodec_decode_video() function decodes a video frame from the input - * buffer \p buf of size \p buf_size. To decode it, it makes use of the - * video codec which was coupled with \p avctx using avcodec_open(). The - * resulting decoded frame is stored in \p picture. - * - * @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than - * the actual read bytes because some optimized bitstream readers read 32 or 64 - * bits at once and could read over the end. - * - * @warning The end of the input buffer \p buf should be set to 0 to ensure that - * no overreading happens for damaged MPEG streams. - * - * @note You might have to align the input buffer \p buf and output buffer \p - * samples. The alignment requirements depend on the CPU: on some CPUs it isn't - * necessary at all, on others it won't work at all if not aligned and on others - * it will work but it will have an impact on performance. In practice, the - * bitstream should have 4 byte alignment at minimum and all sample data should - * be 16 byte aligned unless the CPU doesn't need it (AltiVec and SSE do). If - * the linesize is not a multiple of 16 then there's no sense in aligning the - * start of the buffer to 16. - * - * @note Some codecs have a delay between input and output, these need to be - * feeded with buf=NULL, buf_size=0 at the end to return the remaining frames. - * - * @param avctx the codec context - * @param[out] picture The AVFrame in which the decoded video frame will be stored. - * @param[in] buf the input buffer - * @param[in] buf_size the size of the input buffer in bytes - * @param[in,out] got_picture_ptr Zero if no frame could be decompressed, otherwise, it is nonzero. - * @return On error a negative value is returned, otherwise the number of bytes - * used or zero if no frame could be decompressed. - */ -int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture, - int *got_picture_ptr, - const uint8_t *buf, int buf_size); - -/* Decode a subtitle message. Return -1 if error, otherwise return the - * number of bytes used. If no subtitle could be decompressed, - * got_sub_ptr is zero. Otherwise, the subtitle is stored in *sub. */ -int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub, - int *got_sub_ptr, - const uint8_t *buf, int buf_size); -int avcodec_parse_frame(AVCodecContext *avctx, uint8_t **pdata, - int *data_size_ptr, - uint8_t *buf, int buf_size); - -/** - * Encodes an audio frame from \p samples into \p buf. - * The avcodec_encode_audio() function encodes an audio frame from the input - * buffer \p samples. To encode it, it makes use of the audio codec which was - * coupled with \p avctx using avcodec_open(). The resulting encoded frame is - * stored in output buffer \p buf. - * - * @note The output buffer should be at least \c FF_MIN_BUFFER_SIZE bytes large. - * - * @param avctx the codec context - * @param[out] buf the output buffer - * @param[in] buf_size the output buffer size - * @param[in] samples the input buffer containing the samples - * The number of samples read from this buffer is frame_size*channels, - * both of which are defined in \p avctx. - * For PCM audio the number of samples read from \p samples is equal to - * \p buf_size * input_sample_size / output_sample_size. - * @return On error a negative value is returned, on success zero or the number - * of bytes used to encode the data read from the input buffer. - */ -int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size, - const short *samples); - -/** - * Encodes a video frame from \p pict into \p buf. - * The avcodec_encode_video() function encodes a video frame from the input - * \p pict. To encode it, it makes use of the video codec which was coupled with - * \p avctx using avcodec_open(). The resulting encoded bytes representing the - * frame are stored in the output buffer \p buf. The input picture should be - * stored using a specific format, namely \c avctx.pix_fmt. - * - * @param avctx the codec context - * @param[out] buf the output buffer for the bitstream of encoded frame - * @param[in] buf_size the size of the output buffer in bytes - * @param[in] pict the input picture to encode - * @return On error a negative value is returned, on success zero or the number - * of bytes used from the output buffer. - */ -int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size, - const AVFrame *pict); -int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, - const AVSubtitle *sub); - -int avcodec_close(AVCodecContext *avctx); - -/** - * Register all the codecs, parsers and bitstream filters which were enabled at - * configuration time. If you do not call this function you can select exactly - * which formats you want to support, by using the individual registration - * functions. - * - * @see avcodec_register - * @see av_register_codec_parser - * @see av_register_bitstream_filter - */ -void avcodec_register_all(void); - -/** - * Flush buffers, should be called when seeking or when switching to a different stream. - */ -void avcodec_flush_buffers(AVCodecContext *avctx); - -void avcodec_default_free_buffers(AVCodecContext *s); - -/* misc useful functions */ - -/** - * Returns a single letter to describe the given picture type \p pict_type. - * - * @param[in] pict_type the picture type - * @return A single character representing the picture type. - */ -char av_get_pict_type_char(int pict_type); - -/** - * Returns codec bits per sample. - * - * @param[in] codec_id the codec - * @return Number of bits per sample or zero if unknown for the given codec. - */ -int av_get_bits_per_sample(enum CodecID codec_id); - -/** - * Returns sample format bits per sample. - * - * @param[in] sample_fmt the sample format - * @return Number of bits per sample or zero if unknown for the given sample format. - */ -int av_get_bits_per_sample_format(enum SampleFormat sample_fmt); - -/* frame parsing */ -typedef struct AVCodecParserContext { - void *priv_data; - struct AVCodecParser *parser; - int64_t frame_offset; /* offset of the current frame */ - int64_t cur_offset; /* current offset - (incremented by each av_parser_parse()) */ - int64_t next_frame_offset; /* offset of the next frame */ - /* video info */ - int pict_type; /* XXX: Put it back in AVCodecContext. */ - /** - * This field is used for proper frame duration computation in lavf. - * It signals, how much longer the frame duration of the current frame - * is compared to normal frame duration. - * - * frame_duration = (1 + repeat_pict) * time_base - * - * It is used by codecs like H.264 to display telecined material. - */ - int repeat_pict; /* XXX: Put it back in AVCodecContext. */ - int64_t pts; /* pts of the current frame */ - int64_t dts; /* dts of the current frame */ - - /* private data */ - int64_t last_pts; - int64_t last_dts; - int fetch_timestamp; - -#define AV_PARSER_PTS_NB 4 - int cur_frame_start_index; - int64_t cur_frame_offset[AV_PARSER_PTS_NB]; - int64_t cur_frame_pts[AV_PARSER_PTS_NB]; - int64_t cur_frame_dts[AV_PARSER_PTS_NB]; - - int flags; -#define PARSER_FLAG_COMPLETE_FRAMES 0x0001 - - int64_t offset; ///< byte offset from starting packet start - int64_t cur_frame_end[AV_PARSER_PTS_NB]; - - /*! - * Set by parser to 1 for key frames and 0 for non-key frames. - * It is initialized to -1, so if the parser doesn't set this flag, - * old-style fallback using FF_I_TYPE picture type as key frames - * will be used. - */ - int key_frame; - - /** - * Time difference in stream time base units from the pts of this - * packet to the point at which the output from the decoder has converged - * independent from the availability of previous frames. That is, the - * frames are virtually identical no matter if decoding started from - * the very first frame or from this keyframe. - * Is AV_NOPTS_VALUE if unknown. - * This field is not the display duration of the current frame. - * - * The purpose of this field is to allow seeking in streams that have no - * keyframes in the conventional sense. It corresponds to the - * recovery point SEI in H.264 and match_time_delta in NUT. It is also - * essential for some types of subtitle streams to ensure that all - * subtitles are correctly displayed after seeking. - */ - int64_t convergence_duration; - - // Timestamp generation support: - /** - * Synchronization point for start of timestamp generation. - * - * Set to >0 for sync point, 0 for no sync point and <0 for undefined - * (default). - * - * For example, this corresponds to presence of H.264 buffering period - * SEI message. - */ - int dts_sync_point; - - /** - * Offset of the current timestamp against last timestamp sync point in - * units of AVCodecContext.time_base. - * - * Set to INT_MIN when dts_sync_point unused. Otherwise, it must - * contain a valid timestamp offset. - * - * Note that the timestamp of sync point has usually a nonzero - * dts_ref_dts_delta, which refers to the previous sync point. Offset of - * the next frame after timestamp sync point will be usually 1. - * - * For example, this corresponds to H.264 cpb_removal_delay. - */ - int dts_ref_dts_delta; - - /** - * Presentation delay of current frame in units of AVCodecContext.time_base. - * - * Set to INT_MIN when dts_sync_point unused. Otherwise, it must - * contain valid non-negative timestamp delta (presentation time of a frame - * must not lie in the past). - * - * This delay represents the difference between decoding and presentation - * time of the frame. - * - * For example, this corresponds to H.264 dpb_output_delay. - */ - int pts_dts_delta; - - /** - * Position of the packet in file. - * - * Analogous to cur_frame_pts/dts - */ - int64_t cur_frame_pos[AV_PARSER_PTS_NB]; - - /** - * Byte position of currently parsed frame in stream. - */ - int64_t pos; - - /** - * Previous frame byte position. - */ - int64_t last_pos; -} AVCodecParserContext; - -typedef struct AVCodecParser { - int codec_ids[5]; /* several codec IDs are permitted */ - int priv_data_size; - int (*parser_init)(AVCodecParserContext *s); - int (*parser_parse)(AVCodecParserContext *s, - AVCodecContext *avctx, - const uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size); - void (*parser_close)(AVCodecParserContext *s); - int (*split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size); - struct AVCodecParser *next; -} AVCodecParser; - -AVCodecParser *av_parser_next(AVCodecParser *c); - -void av_register_codec_parser(AVCodecParser *parser); -AVCodecParserContext *av_parser_init(int codec_id); - -attribute_deprecated -int av_parser_parse(AVCodecParserContext *s, - AVCodecContext *avctx, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, - int64_t pts, int64_t dts); - -/** - * Parse a packet. - * - * @param s parser context. - * @param avctx codec context. - * @param poutbuf set to pointer to parsed buffer or NULL if not yet finished. - * @param poutbuf_size set to size of parsed buffer or zero if not yet finished. - * @param buf input buffer. - * @param buf_size input length, to signal EOF, this should be 0 (so that the last frame can be output). - * @param pts input presentation timestamp. - * @param dts input decoding timestamp. - * @param pos input byte position in stream. - * @return the number of bytes of the input bitstream used. - * - * Example: - * @code - * while(in_len){ - * len = av_parser_parse2(myparser, AVCodecContext, &data, &size, - * in_data, in_len, - * pts, dts, pos); - * in_data += len; - * in_len -= len; - * - * if(size) - * decode_frame(data, size); - * } - * @endcode - */ -int av_parser_parse2(AVCodecParserContext *s, - AVCodecContext *avctx, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, - int64_t pts, int64_t dts, - int64_t pos); - -int av_parser_change(AVCodecParserContext *s, - AVCodecContext *avctx, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, int keyframe); -void av_parser_close(AVCodecParserContext *s); - - -typedef struct AVBitStreamFilterContext { - void *priv_data; - struct AVBitStreamFilter *filter; - AVCodecParserContext *parser; - struct AVBitStreamFilterContext *next; -} AVBitStreamFilterContext; - - -typedef struct AVBitStreamFilter { - const char *name; - int priv_data_size; - int (*filter)(AVBitStreamFilterContext *bsfc, - AVCodecContext *avctx, const char *args, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, int keyframe); - void (*close)(AVBitStreamFilterContext *bsfc); - struct AVBitStreamFilter *next; -} AVBitStreamFilter; - -void av_register_bitstream_filter(AVBitStreamFilter *bsf); -AVBitStreamFilterContext *av_bitstream_filter_init(const char *name); -int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc, - AVCodecContext *avctx, const char *args, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, int keyframe); -void av_bitstream_filter_close(AVBitStreamFilterContext *bsf); - -AVBitStreamFilter *av_bitstream_filter_next(AVBitStreamFilter *f); - -/* memory */ - -/** - * Reallocates the given block if it is not large enough, otherwise it - * does nothing. - * - * @see av_realloc - */ -void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size); - -/** - * Copy image 'src' to 'dst'. - */ -void av_picture_copy(AVPicture *dst, const AVPicture *src, - int pix_fmt, int width, int height); - -/** - * Crop image top and left side. - */ -int av_picture_crop(AVPicture *dst, const AVPicture *src, - int pix_fmt, int top_band, int left_band); - -/** - * Pad image. - */ -int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, int pix_fmt, - int padtop, int padbottom, int padleft, int padright, int *color); - -unsigned int av_xiphlacing(unsigned char *s, unsigned int v); - -/** - * Parses \p str and put in \p width_ptr and \p height_ptr the detected values. - * - * @return 0 in case of a successful parsing, a negative value otherwise - * @param[in] str the string to parse: it has to be a string in the format - * <width>x<height> or a valid video frame size abbreviation. - * @param[in,out] width_ptr pointer to the variable which will contain the detected - * frame width value - * @param[in,out] height_ptr pointer to the variable which will contain the detected - * frame height value - */ -int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str); - -/** - * Parses \p str and put in \p frame_rate the detected values. - * - * @return 0 in case of a successful parsing, a negative value otherwise - * @param[in] str the string to parse: it has to be a string in the format - * <frame_rate_num>/<frame_rate_den>, a float number or a valid video rate abbreviation - * @param[in,out] frame_rate pointer to the AVRational which will contain the detected - * frame rate - */ -int av_parse_video_frame_rate(AVRational *frame_rate, const char *str); - -/* error handling */ -#if EINVAL > 0 -#define AVERROR(e) (-(e)) /**< Returns a negative error code from a POSIX error code, to return from library functions. */ -#define AVUNERROR(e) (-(e)) /**< Returns a POSIX error code from a library function error return value. */ -#else -/* Some platforms have E* and errno already negated. */ -#define AVERROR(e) (e) -#define AVUNERROR(e) (e) -#endif -#define AVERROR_UNKNOWN AVERROR(EINVAL) /**< unknown error */ -#define AVERROR_IO AVERROR(EIO) /**< I/O error */ -#define AVERROR_NUMEXPECTED AVERROR(EDOM) /**< Number syntax expected in filename. */ -#define AVERROR_INVALIDDATA AVERROR(EINVAL) /**< invalid data found */ -#define AVERROR_NOMEM AVERROR(ENOMEM) /**< not enough memory */ -#define AVERROR_NOFMT AVERROR(EILSEQ) /**< unknown format */ -#define AVERROR_NOTSUPP AVERROR(ENOSYS) /**< Operation not supported. */ -#define AVERROR_NOENT AVERROR(ENOENT) /**< No such file or directory. */ -#define AVERROR_EOF AVERROR(EPIPE) /**< End of file. */ -#define AVERROR_PATCHWELCOME -MKTAG('P','A','W','E') /**< Not yet implemented in FFmpeg. Patches welcome. */ - -/** - * Registers the hardware accelerator \p hwaccel. - */ -void av_register_hwaccel(AVHWAccel *hwaccel); - -/** - * If hwaccel is NULL, returns the first registered hardware accelerator, - * if hwaccel is non-NULL, returns the next registered hardware accelerator - * after hwaccel, or NULL if hwaccel is the last one. - */ -AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel); -#endif /* MT : DELETE THIS LINE ONLY. */ -#endif /* AVCODEC_AVCODEC_H */ diff --git a/apps/codecs/libatrac/bytestream.h b/apps/codecs/libatrac/bytestream.h index b56f6ce743..cc4f7a62c7 100644 --- a/apps/codecs/libatrac/bytestream.h +++ b/apps/codecs/libatrac/bytestream.h @@ -23,7 +23,6 @@ #define AVCODEC_BYTESTREAM_H #include <string.h> -#include "libavutil/common.h" #include "libavutil/intreadwrite.h" #define DEF_T(type, name, bytes, read, write) \ diff --git a/apps/codecs/libatrac/libavutil/common.h b/apps/codecs/libatrac/libavutil/common.h index 949f093d35..e369b43da7 100644 --- a/apps/codecs/libatrac/libavutil/common.h +++ b/apps/codecs/libatrac/libavutil/common.h @@ -276,11 +276,4 @@ static inline av_const float av_clipf(float a, float amin, float amax) }\ } -#include "mem.h" - -//#ifdef HAVE_AV_CONFIG_H -//# include "ffmpeg_config.h" -# include "internal.h" -//#endif /* HAVE_AV_CONFIG_H */ - #endif /* AVUTIL_COMMON_H */ diff --git a/apps/codecs/libatrac/libavutil/internal.h b/apps/codecs/libatrac/libavutil/internal.h deleted file mode 100644 index c28b6f9a5e..0000000000 --- a/apps/codecs/libatrac/libavutil/internal.h +++ /dev/null @@ -1,328 +0,0 @@ -/* - * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file libavutil/internal.h - * common internal API header - */ - -#ifndef AVUTIL_INTERNAL_H -#define AVUTIL_INTERNAL_H - -#if !defined(DEBUG) && !defined(NDEBUG) -# define NDEBUG -#endif - -#include <limits.h> -#include <stdint.h> -#include <stddef.h> -#include <assert.h> -//#include "ffmpeg_config.h" -#include "common.h" -#include "mem.h" -//#include "timer.h" - -#ifndef attribute_align_arg -#if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,2) -# define attribute_align_arg __attribute__((force_align_arg_pointer)) -#else -# define attribute_align_arg -#endif -#endif - -#ifndef attribute_used -#if AV_GCC_VERSION_AT_LEAST(3,1) -# define attribute_used __attribute__((used)) -#else -# define attribute_used -#endif -#endif - -#ifndef INT16_MIN -#define INT16_MIN (-0x7fff-1) -#endif - -#ifndef INT16_MAX -#define INT16_MAX 0x7fff -#endif - -#ifndef INT32_MIN -#define INT32_MIN (-0x7fffffff-1) -#endif - -#ifndef INT32_MAX -#define INT32_MAX 0x7fffffff -#endif - -#ifndef UINT32_MAX -#define UINT32_MAX 0xffffffff -#endif - -#ifndef INT64_MIN -#define INT64_MIN (-0x7fffffffffffffffLL-1) -#endif - -#ifndef INT64_MAX -#define INT64_MAX INT64_C(9223372036854775807) -#endif - -#ifndef UINT64_MAX -#define UINT64_MAX UINT64_C(0xFFFFFFFFFFFFFFFF) -#endif - -#ifndef INT_BIT -# define INT_BIT (CHAR_BIT * sizeof(int)) -#endif - -#if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC) -# define PIC -#endif - -#ifndef offsetof -# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F)) -#endif - -// Use rip-relative addressing if compiling PIC code on x86-64. -#if ARCH_X86_64 && defined(PIC) -# define LOCAL_MANGLE(a) #a "(%%rip)" -#else -# define LOCAL_MANGLE(a) #a -#endif - -#define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a) - -/* debug stuff */ - -/* dprintf macros */ -#ifdef DEBUG -# define dprintf(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__) -#else -# define dprintf(pctx, ...) -#endif - -#define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0) - -/* math */ - -extern const uint32_t ff_inverse[256]; - -#if ARCH_X86 -# define FASTDIV(a,b) \ - ({\ - int ret,dmy;\ - __asm__ volatile(\ - "mull %3"\ - :"=d"(ret),"=a"(dmy)\ - :"1"(a),"g"(ff_inverse[b])\ - );\ - ret;\ - }) -#elif HAVE_ARMV6 && HAVE_INLINE_ASM -static inline av_const int FASTDIV(int a, int b) -{ - int r, t; - __asm__ volatile("cmp %3, #2 \n\t" - "ldr %1, [%4, %3, lsl #2] \n\t" - "lsrle %0, %2, #1 \n\t" - "smmulgt %0, %1, %2 \n\t" - : "=&r"(r), "=&r"(t) : "r"(a), "r"(b), "r"(ff_inverse)); - return r; -} -#elif ARCH_ARM && HAVE_INLINE_ASM -static inline av_const int FASTDIV(int a, int b) -{ - int r, t; - __asm__ volatile ("umull %1, %0, %2, %3" - : "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b])); - return r; -} -#elif CONFIG_FASTDIV -# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*ff_inverse[b])>>32)) -#else -# define FASTDIV(a,b) ((a)/(b)) -#endif - -extern const uint8_t ff_sqrt_tab[256]; - -static inline av_const unsigned int ff_sqrt(unsigned int a) -{ - unsigned int b; - - if(a<255) return (ff_sqrt_tab[a+1]-1)>>4; - else if(a<(1<<12)) b= ff_sqrt_tab[a>>4 ]>>2; -#if !CONFIG_SMALL - else if(a<(1<<14)) b= ff_sqrt_tab[a>>6 ]>>1; - else if(a<(1<<16)) b= ff_sqrt_tab[a>>8 ] ; -#endif - else{ - int s= av_log2_16bit(a>>16)>>1; - unsigned int c= a>>(s+2); - b= ff_sqrt_tab[c>>(s+8)]; - b= FASTDIV(c,b) + (b<<s); - } - - return b - (a<b*b); -} - -#if ARCH_X86 -#define MASK_ABS(mask, level)\ - __asm__ volatile(\ - "cltd \n\t"\ - "xorl %1, %0 \n\t"\ - "subl %1, %0 \n\t"\ - : "+a" (level), "=&d" (mask)\ - ); -#else -#define MASK_ABS(mask, level)\ - mask= level>>31;\ - level= (level^mask)-mask; -#endif - -#if HAVE_CMOV -#define COPY3_IF_LT(x,y,a,b,c,d)\ -__asm__ volatile (\ - "cmpl %0, %3 \n\t"\ - "cmovl %3, %0 \n\t"\ - "cmovl %4, %1 \n\t"\ - "cmovl %5, %2 \n\t"\ - : "+&r" (x), "+&r" (a), "+r" (c)\ - : "r" (y), "r" (b), "r" (d)\ -); -#else -#define COPY3_IF_LT(x,y,a,b,c,d)\ -if((y)<(x)){\ - (x)=(y);\ - (a)=(b);\ - (c)=(d);\ -} -#endif - -/* avoid usage of dangerous/inappropriate system functions */ -#undef malloc -#define malloc please_use_av_malloc -#undef free -#define free please_use_av_free -#undef realloc -#define realloc please_use_av_realloc -#undef time -#define time time_is_forbidden_due_to_security_issues -//#undef rand -//#define rand rand_is_forbidden_due_to_state_trashing_use_av_random -//#undef srand -//#define srand srand_is_forbidden_due_to_state_trashing_use_av_random_init -#undef random -#define random random_is_forbidden_due_to_state_trashing_use_av_random -#undef sprintf -#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf -#undef strcat -#define strcat strcat_is_forbidden_due_to_security_issues_use_av_strlcat -#undef exit -#define exit exit_is_forbidden -#ifndef LIBAVFORMAT_BUILD -//#undef printf -//#define printf please_use_av_log_instead_of_printf -#undef fprintf -#define fprintf please_use_av_log_instead_of_fprintf -#undef puts -#define puts please_use_av_log_instead_of_puts -#undef perror -#define perror please_use_av_log_instead_of_perror -#endif - -#define CHECKED_ALLOCZ(p, size)\ -{\ - p= av_mallocz(size);\ - if(p==NULL && (size)!=0){\ - av_log(NULL, AV_LOG_ERROR, "Cannot allocate memory.");\ - goto fail;\ - }\ -} - -#if defined(__ICC) || defined(__SUNPRO_C) - #define DECLARE_ALIGNED(n,t,v) t v __attribute__ ((aligned (n))) - #define DECLARE_ASM_CONST(n,t,v) const t __attribute__ ((aligned (n))) v -#elif defined(__GNUC__) - #define DECLARE_ALIGNED(n,t,v) t v __attribute__ ((aligned (n))) - #define DECLARE_ASM_CONST(n,t,v) static const t v attribute_used __attribute__ ((aligned (n))) -#elif defined(_MSC_VER) - #define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v - #define DECLARE_ASM_CONST(n,t,v) __declspec(align(n)) static const t v -#elif HAVE_INLINE_ASM - #error The asm code needs alignment, but we do not know how to do it for this compiler. -#else - #define DECLARE_ALIGNED(n,t,v) t v - #define DECLARE_ASM_CONST(n,t,v) static const t v -#endif - - -#if !HAVE_LLRINT -static av_always_inline av_const long long llrint(double x) -{ - return rint(x); -} -#endif /* HAVE_LLRINT */ - -#if !HAVE_LRINT -static av_always_inline av_const long int lrint(double x) -{ - return rint(x); -} -#endif /* HAVE_LRINT */ - -#if !HAVE_LRINTF -static av_always_inline av_const long int lrintf(float x) -{ - return (int)(rint(x)); -} -#endif /* HAVE_LRINTF */ - -#if !HAVE_ROUND -static av_always_inline av_const double round(double x) -{ - return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5); -} -#endif /* HAVE_ROUND */ - -#if !HAVE_ROUNDF -static av_always_inline av_const float roundf(float x) -{ - return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5); -} -#endif /* HAVE_ROUNDF */ - -#if !HAVE_TRUNCF -static av_always_inline av_const float truncf(float x) -{ - return (x > 0) ? floor(x) : ceil(x); -} -#endif /* HAVE_TRUNCF */ - -/** - * Returns NULL if CONFIG_SMALL is true, otherwise the argument - * without modification. Used to disable the definition of strings - * (for example AVCodec long_names). - */ -#if CONFIG_SMALL -# define NULL_IF_CONFIG_SMALL(x) NULL -#else -# define NULL_IF_CONFIG_SMALL(x) x -#endif - -#endif /* AVUTIL_INTERNAL_H */ diff --git a/apps/codecs/libatrac/libavutil/log.c b/apps/codecs/libatrac/libavutil/log.c deleted file mode 100644 index 4bb9652c2c..0000000000 --- a/apps/codecs/libatrac/libavutil/log.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * log functions - * Copyright (c) 2003 Michel Bardiaux - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file libavutil/log.c - * logging functions - */ - -#include "avutil.h" -#include "log.h" - -int av_log_level = AV_LOG_INFO; - -void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl) -{ - static int print_prefix=1; - static int count; - static char line[1024], prev[1024]; - AVClass* avc= ptr ? *(AVClass**)ptr : NULL; - if(level>av_log_level) - return; -#undef fprintf - if(print_prefix && avc) { - snprintf(line, sizeof(line), "[%s @ %p]", avc->item_name(ptr), ptr); - }else - line[0]=0; - - vsnprintf(line + strlen(line), sizeof(line) - strlen(line), fmt, vl); - - print_prefix= line[strlen(line)-1] == '\n'; - if(print_prefix && !strcmp(line, prev)){ - count++; - return; - } - if(count>0){ - fprintf(stderr, " Last message repeated %d times\n", count); - count=0; - } - fputs(line, stderr); - strcpy(prev, line); -} - -static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback; - -void av_log(void* avcl, int level, const char *fmt, ...) -{ - va_list vl; - va_start(vl, fmt); - av_vlog(avcl, level, fmt, vl); - va_end(vl); -} - -void av_vlog(void* avcl, int level, const char *fmt, va_list vl) -{ - av_log_callback(avcl, level, fmt, vl); -} - -int av_log_get_level(void) -{ - return av_log_level; -} - -void av_log_set_level(int level) -{ - av_log_level = level; -} - -void av_log_set_callback(void (*callback)(void*, int, const char*, va_list)) -{ - av_log_callback = callback; -} diff --git a/apps/codecs/libatrac/libavutil/log.h b/apps/codecs/libatrac/libavutil/log.h deleted file mode 100644 index 1206a2fc38..0000000000 --- a/apps/codecs/libatrac/libavutil/log.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVUTIL_LOG_H -#define AVUTIL_LOG_H - -#include <stdarg.h> -#include "avutil.h" - -/** - * Describes the class of an AVClass context structure. That is an - * arbitrary struct of which the first field is a pointer to an - * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.). - */ -typedef struct AVCLASS AVClass; -struct AVCLASS { - /** - * The name of the class; usually it is the same name as the - * context structure type to which the AVClass is associated. - */ - const char* class_name; - - /** - * A pointer to a function which returns the name of a context - * instance \p ctx associated with the class. - */ - const char* (*item_name)(void* ctx); - - /** - * a pointer to the first option specified in the class if any or NULL - * - * @see av_set_default_options() - */ - const struct AVOption *option; -}; - -/* av_log API */ - -#define AV_LOG_QUIET -8 - -/** - * Something went really wrong and we will crash now. - */ -#define AV_LOG_PANIC 0 - -/** - * Something went wrong and recovery is not possible. - * For example, no header was found for a format which depends - * on headers or an illegal combination of parameters is used. - */ -#define AV_LOG_FATAL 8 - -/** - * Something went wrong and cannot losslessly be recovered. - * However, not all future data is affected. - */ -#define AV_LOG_ERROR 16 - -/** - * Something somehow does not look correct. This may or may not - * lead to problems. An example would be the use of '-vstrict -2'. - */ -#define AV_LOG_WARNING 24 - -#define AV_LOG_INFO 32 -#define AV_LOG_VERBOSE 40 - -/** - * Stuff which is only useful for libav* developers. - */ -#define AV_LOG_DEBUG 48 - -/** - * Sends the specified message to the log if the level is less than or equal - * to the current av_log_level. By default, all logging messages are sent to - * stderr. This behavior can be altered by setting a different av_vlog callback - * function. - * - * @param avcl A pointer to an arbitrary struct of which the first field is a - * pointer to an AVClass struct. - * @param level The importance level of the message, lower values signifying - * higher importance. - * @param fmt The format string (printf-compatible) that specifies how - * subsequent arguments are converted to output. - * @see av_vlog - */ -#ifdef __GNUC__ -void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4))); -#else -void av_log(void*, int level, const char *fmt, ...); -#endif - -void av_vlog(void*, int level, const char *fmt, va_list); -int av_log_get_level(void); -void av_log_set_level(int); -void av_log_set_callback(void (*)(void*, int, const char*, va_list)); -void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl); - -#endif /* AVUTIL_LOG_H */ diff --git a/apps/codecs/libatrac/libavutil/mem.c b/apps/codecs/libatrac/libavutil/mem.c deleted file mode 100644 index 9721222e50..0000000000 --- a/apps/codecs/libatrac/libavutil/mem.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * default memory allocator for libavutil - * Copyright (c) 2002 Fabrice Bellard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file libavutil/mem.c - * default memory allocator for libavutil - */ - -//#include "ffmpeg_config.h" - -#include <limits.h> -#include <stdlib.h> -#include <string.h> -#if HAVE_MALLOC_H -#include <malloc.h> -#endif - -#include "mem.h" - -/* here we can use OS-dependent allocation functions */ -#undef free -#undef malloc -#undef realloc - -/* You can redefine av_malloc and av_free in your project to use your - memory allocator. You do not need to suppress this file because the - linker will do it automatically. */ - -void *av_malloc(unsigned int size) -{ - void *ptr = NULL; -#if CONFIG_MEMALIGN_HACK - long diff; -#endif - - /* let's disallow possible ambiguous cases */ - if(size > (INT_MAX-16) ) - return NULL; - -#if CONFIG_MEMALIGN_HACK - ptr = malloc(size+16); - if(!ptr) - return ptr; - diff= ((-(long)ptr - 1)&15) + 1; - ptr = (char*)ptr + diff; - ((char*)ptr)[-1]= diff; -#elif HAVE_POSIX_MEMALIGN - if (posix_memalign(&ptr,16,size)) - ptr = NULL; -#elif HAVE_MEMALIGN - ptr = memalign(16,size); - /* Why 64? - Indeed, we should align it: - on 4 for 386 - on 16 for 486 - on 32 for 586, PPro - K6-III - on 64 for K7 (maybe for P3 too). - Because L1 and L2 caches are aligned on those values. - But I don't want to code such logic here! - */ - /* Why 16? - Because some CPUs need alignment, for example SSE2 on P4, & most RISC CPUs - it will just trigger an exception and the unaligned load will be done in the - exception handler or it will just segfault (SSE2 on P4). - Why not larger? Because I did not see a difference in benchmarks ... - */ - /* benchmarks with P3 - memalign(64)+1 3071,3051,3032 - memalign(64)+2 3051,3032,3041 - memalign(64)+4 2911,2896,2915 - memalign(64)+8 2545,2554,2550 - memalign(64)+16 2543,2572,2563 - memalign(64)+32 2546,2545,2571 - memalign(64)+64 2570,2533,2558 - - BTW, malloc seems to do 8-byte alignment by default here. - */ -#else - ptr = malloc(size); -#endif - return ptr; -} - -void *av_realloc(void *ptr, unsigned int size) -{ -#if CONFIG_MEMALIGN_HACK - int diff; -#endif - - /* let's disallow possible ambiguous cases */ - if(size > (INT_MAX-16) ) - return NULL; - -#if CONFIG_MEMALIGN_HACK - //FIXME this isn't aligned correctly, though it probably isn't needed - if(!ptr) return av_malloc(size); - diff= ((char*)ptr)[-1]; - return (char*)realloc((char*)ptr - diff, size + diff) + diff; -#else - return realloc(ptr, size); -#endif -} - -void av_free(void *ptr) -{ - /* XXX: this test should not be needed on most libcs */ - if (ptr) -#if CONFIG_MEMALIGN_HACK - free((char*)ptr - ((char*)ptr)[-1]); -#else - free(ptr); -#endif -} - -void av_freep(void *arg) -{ - void **ptr= (void**)arg; - av_free(*ptr); - *ptr = NULL; -} - -void *av_mallocz(unsigned int size) -{ - void *ptr = av_malloc(size); - if (ptr) - memset(ptr, 0, size); - return ptr; -} - -char *av_strdup(const char *s) -{ - char *ptr= NULL; - if(s){ - int len = strlen(s) + 1; - ptr = av_malloc(len); - if (ptr) - memcpy(ptr, s, len); - } - return ptr; -} - diff --git a/apps/codecs/libatrac/libavutil/mem.h b/apps/codecs/libatrac/libavutil/mem.h deleted file mode 100644 index e50553aefe..0000000000 --- a/apps/codecs/libatrac/libavutil/mem.h +++ /dev/null @@ -1,104 +0,0 @@ -/* - * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file libavutil/mem.h - * memory handling functions - */ - -#ifndef AVUTIL_MEM_H -#define AVUTIL_MEM_H - -#include "common.h" - -#if AV_GCC_VERSION_AT_LEAST(3,1) - #define av_malloc_attrib __attribute__((__malloc__)) -#else - #define av_malloc_attrib -#endif - -#if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,3) - #define av_alloc_size(n) __attribute__((alloc_size(n))) -#else - #define av_alloc_size(n) -#endif - -/** - * Allocates a block of \p size bytes with alignment suitable for all - * memory accesses (including vectors if available on the CPU). - * @param size Size in bytes for the memory block to be allocated. - * @return Pointer to the allocated block, NULL if the block cannot - * be allocated. - * @see av_mallocz() - */ -void *av_malloc(unsigned int size) av_malloc_attrib av_alloc_size(1); - -/** - * Allocates or reallocates a block of memory. - * If \p ptr is NULL and \p size > 0, allocates a new block. If \p - * size is zero, frees the memory block pointed to by \p ptr. - * @param size Size in bytes for the memory block to be allocated or - * reallocated. - * @param ptr Pointer to a memory block already allocated with - * av_malloc(z)() or av_realloc() or NULL. - * @return Pointer to a newly reallocated block or NULL if the block - * cannot be reallocated or the function is used to free the memory block. - * @see av_fast_realloc() - */ -void *av_realloc(void *ptr, unsigned int size) av_alloc_size(2); - -/** - * Frees a memory block which has been allocated with av_malloc(z)() or - * av_realloc(). - * @param ptr Pointer to the memory block which should be freed. - * @note ptr = NULL is explicitly allowed. - * @note It is recommended that you use av_freep() instead. - * @see av_freep() - */ -void av_free(void *ptr); - -/** - * Allocates a block of \p size bytes with alignment suitable for all - * memory accesses (including vectors if available on the CPU) and - * zeroes all the bytes of the block. - * @param size Size in bytes for the memory block to be allocated. - * @return Pointer to the allocated block, NULL if it cannot be allocated. - * @see av_malloc() - */ -void *av_mallocz(unsigned int size) av_malloc_attrib av_alloc_size(1); - -/** - * Duplicates the string \p s. - * @param s string to be duplicated - * @return Pointer to a newly allocated string containing a - * copy of \p s or NULL if the string cannot be allocated. - */ -char *av_strdup(const char *s) av_malloc_attrib; - -/** - * Frees a memory block which has been allocated with av_malloc(z)() or - * av_realloc() and set the pointer pointing to it to NULL. - * @param ptr Pointer to the pointer to the memory block which should - * be freed. - * @see av_free() - */ -void av_freep(void *ptr); - -#endif /* AVUTIL_MEM_H */ |