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| author | Michael Niedermayer <michaelni@gmx.at> | 2007-08-04 11:01:11 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2007-08-04 11:01:11 +0000 |
| commit | 4e2b9bcc085586e9e0502e5fad2447ea671697ec (patch) | |
| tree | 703de9201ab6a9d13cded108163a60c8fcad9daa /libavcodec/mpeg12.c | |
| parent | 3357ff338b54ed1897443c712fbb52bed5ca48a1 (diff) | |
| download | ffmpeg-4e2b9bcc085586e9e0502e5fad2447ea671697ec.tar.gz | |
Make MPEG-1/2 decoder work with the libmpeg2-style bitstream reader.
Originally committed as revision 9890 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpeg12.c')
| -rw-r--r-- | libavcodec/mpeg12.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c index e62827a416..89793a5794 100644 --- a/libavcodec/mpeg12.c +++ b/libavcodec/mpeg12.c @@ -737,7 +737,9 @@ static inline int mpeg1_decode_block_inter(MpegEncContext *s, if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) goto end; } - +#if MIN_CACHE_BITS < 19 + UPDATE_CACHE(re, &s->gb); +#endif /* now quantify & encode AC coefs */ for(;;) { GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0); @@ -777,9 +779,14 @@ static inline int mpeg1_decode_block_inter(MpegEncContext *s, } block[j] = level; +#if MIN_CACHE_BITS < 19 + UPDATE_CACHE(re, &s->gb); +#endif if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) break; +#if MIN_CACHE_BITS >= 19 UPDATE_CACHE(re, &s->gb); +#endif } end: LAST_SKIP_BITS(re, &s->gb, 2); @@ -812,6 +819,9 @@ static inline int mpeg1_fast_decode_block_inter(MpegEncContext *s, DCTELEM *bloc if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) goto end; } +#if MIN_CACHE_BITS < 19 + UPDATE_CACHE(re, &s->gb); +#endif /* now quantify & encode AC coefs */ for(;;) { @@ -848,9 +858,14 @@ static inline int mpeg1_fast_decode_block_inter(MpegEncContext *s, DCTELEM *bloc } block[j] = level; +#if MIN_CACHE_BITS < 19 + UPDATE_CACHE(re, &s->gb); +#endif if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) break; +#if MIN_CACHE_BITS >= 19 UPDATE_CACHE(re, &s->gb); +#endif } end: LAST_SKIP_BITS(re, &s->gb, 2); @@ -895,6 +910,9 @@ static inline int mpeg2_decode_block_non_intra(MpegEncContext *s, if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) goto end; } +#if MIN_CACHE_BITS < 19 + UPDATE_CACHE(re, &s->gb); +#endif /* now quantify & encode AC coefs */ for(;;) { @@ -928,9 +946,14 @@ static inline int mpeg2_decode_block_non_intra(MpegEncContext *s, mismatch ^= level; block[j] = level; +#if MIN_CACHE_BITS < 19 + UPDATE_CACHE(re, &s->gb); +#endif if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) break; +#if MIN_CACHE_BITS >= 19 UPDATE_CACHE(re, &s->gb); +#endif } end: LAST_SKIP_BITS(re, &s->gb, 2); @@ -965,6 +988,9 @@ static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s, if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) goto end; } +#if MIN_CACHE_BITS < 19 + UPDATE_CACHE(re, &s->gb); +#endif /* now quantify & encode AC coefs */ for(;;) { @@ -993,9 +1019,14 @@ static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s, } block[j] = level; +#if MIN_CACHE_BITS < 19 + UPDATE_CACHE(re, &s->gb); +#endif if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) break; +#if MIN_CACHE_BITS >=19 UPDATE_CACHE(re, &s->gb); +#endif } end: LAST_SKIP_BITS(re, &s->gb, 2); |