diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-25 01:56:53 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-25 01:56:53 +0100 |
| commit | 8bf95e8bd5c20eb940bd9583d3f947d8210eeb56 (patch) | |
| tree | 43936a02f5da95392199e07b1ad38980e0ac2bc8 /libavcodec/ralf.c | |
| parent | f4c380a5e65c60422c6f62cab7bfe6155276d11d (diff) | |
| parent | d5ed5e7d0c1fa46de348db0de4c82b0f621db3d4 (diff) | |
| download | ffmpeg-8bf95e8bd5c20eb940bd9583d3f947d8210eeb56.tar.gz | |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
avc: Add a function for converting mp4 style extradata to annex b
pthread: free progress if buffer allocation failed.
lavc/avconv: support changing frame sizes in codecs with frame mt.
libavformat: Document who sets the AVStream.id field
utvideo: mark output picture as keyframe.
sunrast: Add support for negative linesize.
vp8: fix update_lf_deltas in libavcodec/vp8.c
ralf: read Huffman code lengths without GetBitContext
Conflicts:
ffmpeg.c
libavcodec/sunrastenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/ralf.c')
| -rw-r--r-- | libavcodec/ralf.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/ralf.c b/libavcodec/ralf.c index 38e7e69cb7..0e5b04663f 100644 --- a/libavcodec/ralf.c +++ b/libavcodec/ralf.c @@ -80,17 +80,17 @@ static int init_ralf_vlc(VLC *vlc, const uint8_t *data, int elems) int counts[17], prefixes[18]; int i, cur_len; int max_bits = 0; - GetBitContext gb; - - init_get_bits(&gb, data, elems * 4); + int nb = 0; for (i = 0; i <= 16; i++) counts[i] = 0; for (i = 0; i < elems; i++) { - cur_len = get_bits(&gb, 4) + 1; + cur_len = (nb ? *data & 0xF : *data >> 4) + 1; counts[cur_len]++; max_bits = FFMAX(max_bits, cur_len); lens[i] = cur_len; + data += nb; + nb ^= 1; } prefixes[1] = 0; for (i = 1; i <= 16; i++) |