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author | Sean Bartell <wingedtachikoma@gmail.com> | 2011-06-25 21:32:25 -0400 |
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committer | Nils Wallménius <nils@rockbox.org> | 2012-04-25 22:13:20 +0200 |
commit | f40bfc9267b13b54e6379dfe7539447662879d24 (patch) | |
tree | 9b20069d5e62809ff434061ad730096836f916f2 /lib/rbcodec/codecs/libffmpegFLAC/bitstream.h | |
parent | a0009907de7a0107d49040d8a180f140e2eff299 (diff) | |
download | rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.zip |
Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'lib/rbcodec/codecs/libffmpegFLAC/bitstream.h')
-rw-r--r-- | lib/rbcodec/codecs/libffmpegFLAC/bitstream.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libffmpegFLAC/bitstream.h b/lib/rbcodec/codecs/libffmpegFLAC/bitstream.h new file mode 100644 index 0000000000..5fc3460c8e --- /dev/null +++ b/lib/rbcodec/codecs/libffmpegFLAC/bitstream.h @@ -0,0 +1,79 @@ +/** + * @file bitstream.h + * bitstream api header. + */ + +#ifndef BITSTREAM_H +#define BITSTREAM_H + +#include <inttypes.h> +#include "ffmpeg_get_bits.h" + +#ifndef BUILD_STANDALONE + #include <config.h> + #include <system.h> +#else + #include <stdio.h> + #define IBSS_ATTR + #define ICONST_ATTR + #define ICODE_ATTR +#endif + +#if (CONFIG_CPU == MCF5250) || (CONFIG_CPU == PP5022) || (CONFIG_CPU == PP5024) +#define ICODE_ATTR_FLAC ICODE_ATTR +#define IBSS_ATTR_FLAC IBSS_ATTR +/* Enough IRAM to move additional data to it. */ +#define IBSS_ATTR_FLAC_LARGE_IRAM IBSS_ATTR +#define IBSS_ATTR_FLAC_XLARGE_IRAM + +#elif defined(CPU_S5L870X) +#define ICODE_ATTR_FLAC ICODE_ATTR +#define IBSS_ATTR_FLAC IBSS_ATTR +/* Enough IRAM to move even more additional data to it. */ +#define IBSS_ATTR_FLAC_LARGE_IRAM IBSS_ATTR +#define IBSS_ATTR_FLAC_XLARGE_IRAM IBSS_ATTR + +#else +#define ICODE_ATTR_FLAC ICODE_ATTR +#define IBSS_ATTR_FLAC IBSS_ATTR +/* Not enough IRAM available. */ +#define IBSS_ATTR_FLAC_LARGE_IRAM +#define IBSS_ATTR_FLAC_XLARGE_IRAM +#endif + +/* Endian conversion routines for standalone compilation */ +#ifdef BUILD_STANDALONE + #ifdef BUILD_BIGENDIAN + #define betoh32(x) (x) + #define letoh32(x) swap32(x) + #else + #define letoh32(x) (x) + #define betoh32(x) swap32(x) + #endif + + /* Taken from rockbox/firmware/export/system.h */ + + static inline unsigned short swap16(unsigned short value) + /* + result[15..8] = value[ 7..0]; + result[ 7..0] = value[15..8]; + */ + { + return (value >> 8) | (value << 8); + } + + static inline unsigned long swap32(unsigned long value) + /* + result[31..24] = value[ 7.. 0]; + result[23..16] = value[15.. 8]; + result[15.. 8] = value[23..16]; + result[ 7.. 0] = value[31..24]; + */ + { + unsigned long hi = swap16(value >> 16); + unsigned long lo = swap16(value & 0xffff); + return (lo << 16) | hi; + } +#endif + +#endif /* BITSTREAM_H */ |