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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-10-12 05:33:52 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-12 05:40:57 +0200 |
| commit | b81f8880e010ccdef3604d9beb681d3c4c6a7bc0 (patch) | |
| tree | 0a6534f8fd2d53e84f6b5716047e473b1598cd3d /libavcodec/h264_cavlc.c | |
| parent | b75d89a4784e027cec99236d58e9bd4121ec4309 (diff) | |
| parent | 5f3fb599536dd5bceb1d45cb73cd0b0ce3e5560c (diff) | |
| download | ffmpeg-b81f8880e010ccdef3604d9beb681d3c4c6a7bc0.tar.gz | |
Merge remote-tracking branch 'qatar/master'
* qatar/master: (23 commits)
fix AC3ENC_OPT_MODE_ON/OFF
h264: fix HRD parameters parsing
prores: implement multithreading.
prores: idct sse2/sse4 optimizations.
swscale: use aligned move for storage into temporary buffer.
prores: extract idct into its own dspcontext and merge with put_pixels.
h264: fix invalid shifts in init_cavlc_level_tab()
intfloat_readwrite: fix signed addition overflows
mov: do not misreport empty stts
mov: cosmetics, fix for and if spacing
id3v2: fix NULL pointer dereference
mov: read album_artist atom
mov: fix disc/track numbers and totals
doc: fix references to obsolete presets directories for avconv/ffmpeg
flashsv: return more meaningful error value
flashsv: fix typo in av_log() message
smacker: validate channels and sample format.
smacker: check buffer size before reading output size
smacker: validate number of channels
smacker: Separate audio flags from sample rates in smacker demuxer.
...
Conflicts:
cmdutils.h
doc/ffmpeg.texi
libavcodec/Makefile
libavcodec/motion_est_template.c
libavformat/id3v2.c
libavformat/mov.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/h264_cavlc.c')
| -rw-r--r-- | libavcodec/h264_cavlc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libavcodec/h264_cavlc.c b/libavcodec/h264_cavlc.c index d2b979fc2c..b0dc999132 100644 --- a/libavcodec/h264_cavlc.c +++ b/libavcodec/h264_cavlc.c @@ -298,17 +298,18 @@ static inline int pred_non_zero_count(H264Context *h, int n){ } static av_cold void init_cavlc_level_tab(void){ - int suffix_length, mask; + int suffix_length; unsigned int i; for(suffix_length=0; suffix_length<7; suffix_length++){ for(i=0; i<(1<<LEVEL_TAB_BITS); i++){ int prefix= LEVEL_TAB_BITS - av_log2(2*i); - int level_code= (prefix<<suffix_length) + (i>>(LEVEL_TAB_BITS-prefix-1-suffix_length)) - (1<<suffix_length); - mask= -(level_code&1); - level_code= (((2+level_code)>>1) ^ mask) - mask; if(prefix + 1 + suffix_length <= LEVEL_TAB_BITS){ + int level_code = (prefix << suffix_length) + + (i >> (av_log2(i) - suffix_length)) - (1 << suffix_length); + int mask = -(level_code&1); + level_code = (((2 + level_code) >> 1) ^ mask) - mask; cavlc_level_tab[suffix_length][i][0]= level_code; cavlc_level_tab[suffix_length][i][1]= prefix + 1 + suffix_length; }else if(prefix + 1 <= LEVEL_TAB_BITS){ |