diff options
| author | Stefan Gehrer <stefan.gehrer@gmx.de> | 2008-06-26 16:39:21 +0000 |
|---|---|---|
| committer | Stefan Gehrer <stefan.gehrer@gmx.de> | 2008-06-26 16:39:21 +0000 |
| commit | b3bf98aa56f6985e86d97a975c954370c47ca8d6 (patch) | |
| tree | f62be16b8bab87eb4a5d2f05dbcf6d98601acf5c /libavcodec/ffv1.c | |
| parent | dd7a68b6dad4bfa24c4c3954066cb8e1805c1c88 (diff) | |
| download | ffmpeg-b3bf98aa56f6985e86d97a975c954370c47ca8d6.tar.gz | |
move ff_log2_run to bitstream.c and reuse in ffv1.c
Originally committed as revision 13989 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ffv1.c')
| -rw-r--r-- | libavcodec/ffv1.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/libavcodec/ffv1.c b/libavcodec/ffv1.c index 133347ee0c..c1fac104b3 100644 --- a/libavcodec/ffv1.c +++ b/libavcodec/ffv1.c @@ -34,6 +34,8 @@ #define MAX_PLANES 4 #define CONTEXT_SIZE 32 +extern const uint8_t ff_log2_run[32]; + static const int8_t quant3[256]={ 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -143,12 +145,6 @@ static const int8_t quant13[256]={ -4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-2,-2,-1, }; -static const uint8_t log2_run[32]={ - 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, - 4, 4, 5, 5, 6, 6, 7, 7, - 8, 9,10,11,12,13,14,15, -}; - typedef struct VlcState{ int16_t drift; uint16_t error_sum; @@ -396,13 +392,13 @@ static inline int encode_line(FFV1Context *s, int w, int_fast16_t *sample[2], in if(run_mode){ if(diff){ - while(run_count >= 1<<log2_run[run_index]){ - run_count -= 1<<log2_run[run_index]; + while(run_count >= 1<<ff_log2_run[run_index]){ + run_count -= 1<<ff_log2_run[run_index]; run_index++; put_bits(&s->pb, 1, 1); } - put_bits(&s->pb, 1 + log2_run[run_index], run_count); + put_bits(&s->pb, 1 + ff_log2_run[run_index], run_count); if(run_index) run_index--; run_count=0; run_mode=0; @@ -419,8 +415,8 @@ static inline int encode_line(FFV1Context *s, int w, int_fast16_t *sample[2], in } } if(run_mode){ - while(run_count >= 1<<log2_run[run_index]){ - run_count -= 1<<log2_run[run_index]; + while(run_count >= 1<<ff_log2_run[run_index]){ + run_count -= 1<<ff_log2_run[run_index]; run_index++; put_bits(&s->pb, 1, 1); } @@ -735,10 +731,10 @@ static inline void decode_line(FFV1Context *s, int w, int_fast16_t *sample[2], i if(run_mode){ if(run_count==0 && run_mode==1){ if(get_bits1(&s->gb)){ - run_count = 1<<log2_run[run_index]; + run_count = 1<<ff_log2_run[run_index]; if(x + run_count <= w) run_index++; }else{ - if(log2_run[run_index]) run_count = get_bits(&s->gb, log2_run[run_index]); + if(ff_log2_run[run_index]) run_count = get_bits(&s->gb, ff_log2_run[run_index]); else run_count=0; if(run_index) run_index--; run_mode=2; |