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-rw-r--r--apps/plugins/mpegplayer/libmpeg2/mpeg2.h223
1 files changed, 223 insertions, 0 deletions
diff --git a/apps/plugins/mpegplayer/libmpeg2/mpeg2.h b/apps/plugins/mpegplayer/libmpeg2/mpeg2.h
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+++ b/apps/plugins/mpegplayer/libmpeg2/mpeg2.h
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+/*
+ * mpeg2.h
+ * Copyright (C) 2000-2004 Michel Lespinasse <walken@zoy.org>
+ * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
+ *
+ * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
+ * See http://libmpeg2.sourceforge.net/ for updates.
+ *
+ * mpeg2dec is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * mpeg2dec 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * $Id$
+ * libmpeg2 sync history:
+ * 2008-07-01 - CVS revision 1.67
+ */
+
+#ifndef MPEG2_H
+#define MPEG2_H
+
+#include "mpeg2dec_config.h"
+
+#define MPEG2_VERSION(a,b,c) (((a)<<16)|((b)<<8)|(c))
+#define MPEG2_RELEASE MPEG2_VERSION (0, 5, 0) /* 0.5.0 */
+
+#define SEQ_FLAG_MPEG2 1
+#define SEQ_FLAG_CONSTRAINED_PARAMETERS 2
+#define SEQ_FLAG_PROGRESSIVE_SEQUENCE 4
+#define SEQ_FLAG_LOW_DELAY 8
+#define SEQ_FLAG_COLOUR_DESCRIPTION 16
+
+#define SEQ_MASK_VIDEO_FORMAT 0xe0
+#define SEQ_VIDEO_FORMAT_COMPONENT 0x00
+#define SEQ_VIDEO_FORMAT_PAL 0x20
+#define SEQ_VIDEO_FORMAT_NTSC 0x40
+#define SEQ_VIDEO_FORMAT_SECAM 0x60
+#define SEQ_VIDEO_FORMAT_MAC 0x80
+#define SEQ_VIDEO_FORMAT_UNSPECIFIED 0xa0
+
+typedef struct mpeg2_sequence_s
+{
+ unsigned int width, height;
+ unsigned int chroma_width, chroma_height;
+ unsigned int byte_rate;
+ unsigned int vbv_buffer_size;
+ uint32_t flags;
+
+ unsigned int picture_width, picture_height;
+ unsigned int display_width, display_height;
+ unsigned int pixel_width, pixel_height;
+ unsigned int frame_period;
+
+ uint8_t profile_level_id;
+ uint8_t colour_primaries;
+ uint8_t transfer_characteristics;
+ uint8_t matrix_coefficients;
+} mpeg2_sequence_t;
+
+#define GOP_FLAG_DROP_FRAME 1
+#define GOP_FLAG_BROKEN_LINK 2
+#define GOP_FLAG_CLOSED_GOP 4
+
+typedef struct mpeg2_gop_s
+{
+ uint8_t hours;
+ uint8_t minutes;
+ uint8_t seconds;
+ uint8_t pictures;
+ uint32_t flags;
+} mpeg2_gop_t;
+
+#define PIC_MASK_CODING_TYPE 7
+#define PIC_FLAG_CODING_TYPE_I 1
+#define PIC_FLAG_CODING_TYPE_P 2
+#define PIC_FLAG_CODING_TYPE_B 3
+#define PIC_FLAG_CODING_TYPE_D 4
+
+#define PIC_FLAG_TOP_FIELD_FIRST 8
+#define PIC_FLAG_PROGRESSIVE_FRAME 16
+#define PIC_FLAG_COMPOSITE_DISPLAY 32
+#define PIC_FLAG_SKIP 64
+#define PIC_FLAG_TAGS 128
+#define PIC_MASK_COMPOSITE_DISPLAY 0xfffff000
+
+typedef struct mpeg2_picture_s
+{
+ unsigned int temporal_reference;
+ unsigned int nb_fields;
+ uint32_t tag, tag2;
+ uint32_t flags;
+ struct
+ {
+ int x, y;
+ } display_offset[3];
+} mpeg2_picture_t;
+
+typedef struct mpeg2_fbuf_s
+{
+ uint8_t * buf[MPEG2_COMPONENTS];
+ void * id;
+} mpeg2_fbuf_t;
+
+typedef struct mpeg2_info_s
+{
+ const mpeg2_sequence_t * sequence;
+ const mpeg2_gop_t * gop;
+ const mpeg2_picture_t * current_picture;
+ const mpeg2_picture_t * current_picture_2nd;
+ const mpeg2_fbuf_t * current_fbuf;
+ const mpeg2_picture_t * display_picture;
+ const mpeg2_picture_t * display_picture_2nd;
+ const mpeg2_fbuf_t * display_fbuf;
+ const mpeg2_fbuf_t * discard_fbuf;
+ const uint8_t * user_data;
+ unsigned int user_data_len;
+} mpeg2_info_t;
+
+typedef struct mpeg2dec_s mpeg2dec_t;
+typedef struct mpeg2_decoder_s mpeg2_decoder_t;
+
+typedef enum
+{
+ STATE_INTERNAL_NORETURN = -1,
+ STATE_BUFFER = 0,
+ STATE_SEQUENCE = 1,
+ STATE_SEQUENCE_REPEATED = 2,
+ STATE_SEQUENCE_MODIFIED = 3,
+ STATE_GOP = 4,
+ STATE_PICTURE = 5,
+ STATE_SLICE_1ST = 6,
+ STATE_PICTURE_2ND = 7,
+ STATE_SLICE = 8,
+ STATE_END = 9,
+ STATE_INVALID = 10,
+ STATE_INVALID_END = 11,
+} mpeg2_state_t;
+
+typedef struct mpeg2_convert_init_s
+{
+ unsigned int id_size;
+ unsigned int buf_size[MPEG2_COMPONENTS];
+ void (* start)(void * id, const mpeg2_fbuf_t * fbuf,
+ const mpeg2_picture_t * picture, const mpeg2_gop_t * gop);
+ void (* copy)(void * id, uint8_t * const * src, unsigned int v_offset);
+} mpeg2_convert_init_t;
+
+typedef enum
+{
+ MPEG2_CONVERT_SET = 0,
+ MPEG2_CONVERT_STRIDE = 1,
+ MPEG2_CONVERT_START = 2
+} mpeg2_convert_stage_t;
+
+typedef int mpeg2_convert_t (int stage, void * id,
+ const mpeg2_sequence_t * sequence, int stride,
+ void * arg, mpeg2_convert_init_t * result);
+int mpeg2_convert (mpeg2dec_t * mpeg2dec, mpeg2_convert_t convert, void * arg);
+int mpeg2_stride (mpeg2dec_t * mpeg2dec, int stride);
+void mpeg2_set_buf (mpeg2dec_t * mpeg2dec, uint8_t * buf[MPEG2_COMPONENTS],
+ void * id);
+void mpeg2_custom_fbuf (mpeg2dec_t * mpeg2dec, int custom_fbuf);
+
+mpeg2dec_t * mpeg2_init (void);
+const mpeg2_info_t * mpeg2_info (mpeg2dec_t * mpeg2dec);
+void mpeg2_close (mpeg2dec_t * mpeg2dec);
+
+void mpeg2_buffer (mpeg2dec_t * mpeg2dec, uint8_t * start, uint8_t * end);
+int mpeg2_getpos (mpeg2dec_t * mpeg2dec);
+mpeg2_state_t mpeg2_parse (mpeg2dec_t * mpeg2dec);
+
+void mpeg2_reset (mpeg2dec_t * mpeg2dec, int full_reset);
+void mpeg2_skip (mpeg2dec_t * mpeg2dec, int skip);
+void mpeg2_slice_region (mpeg2dec_t * mpeg2dec, int start, int end);
+
+void mpeg2_tag_picture (mpeg2dec_t * mpeg2dec, uint32_t tag, uint32_t tag2);
+
+void mpeg2_init_fbuf (mpeg2_decoder_t * decoder,
+ uint8_t * current_fbuf[MPEG2_COMPONENTS],
+ uint8_t * forward_fbuf[MPEG2_COMPONENTS],
+ uint8_t * backward_fbuf[MPEG2_COMPONENTS]);
+void mpeg2_slice (mpeg2_decoder_t * decoder, int code, const uint8_t * buffer);
+
+int mpeg2_guess_aspect (const mpeg2_sequence_t * sequence,
+ unsigned int * pixel_width,
+ unsigned int * pixel_height);
+
+typedef enum
+{
+ MPEG2_ALLOC_MPEG2DEC = 0,
+ MPEG2_ALLOC_CHUNK = 1,
+ MPEG2_ALLOC_YUV = 2,
+ MPEG2_ALLOC_CONVERT_ID = 3,
+ MPEG2_ALLOC_CONVERTED = 4,
+ MPEG_ALLOC_CODEC_MALLOC,
+ MPEG_ALLOC_CODEC_CALLOC,
+ MPEG_ALLOC_MPEG2_BUFFER,
+ MPEG_ALLOC_AUDIOBUF,
+ MPEG_ALLOC_PCMOUT,
+ MPEG_ALLOC_DISKBUF,
+ __MPEG_ALLOC_FIRST = -256,
+} mpeg2_alloc_t;
+
+void * mpeg2_malloc (unsigned size, mpeg2_alloc_t reason);
+#if 0
+void mpeg2_free (void * buf);
+#endif
+/* allocates a dedicated buffer and locks all previous allocation in place */
+void * mpeg2_bufalloc(unsigned size, mpeg2_alloc_t reason);
+/* clears all non-dedicated buffer space */
+void mpeg2_mem_reset(void);
+void mpeg2_alloc_init(unsigned char* buf, int mallocsize);
+
+#endif /* MPEG2_H */