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| author | Loren Merritt <lorenm@u.washington.edu> | 2007-05-24 17:38:56 +0000 |
|---|---|---|
| committer | Loren Merritt <lorenm@u.washington.edu> | 2007-05-24 17:38:56 +0000 |
| commit | b613bacca9c256f1483c46847f713e47a0e9a5f6 (patch) | |
| tree | bad3046ebe982e818982754fa4e82cdb76600de2 /libavcodec/bitstream.h | |
| parent | 4d5588cfb89a193708b832f4a1beb2e86788a7c4 (diff) | |
| download | ffmpeg-b613bacca9c256f1483c46847f713e47a0e9a5f6.tar.gz | |
add init_vlc_sparse(). faster than init_vlc() if there are lots of holes in the tables.
Originally committed as revision 9117 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/bitstream.h')
| -rw-r--r-- | libavcodec/bitstream.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/libavcodec/bitstream.h b/libavcodec/bitstream.h index 2ef76ec5d7..e30ba83510 100644 --- a/libavcodec/bitstream.h +++ b/libavcodec/bitstream.h @@ -799,9 +799,19 @@ static inline void align_get_bits(GetBitContext *s) if(n) skip_bits(s, n); } -int init_vlc(VLC *vlc, int nb_bits, int nb_codes, +#define init_vlc(vlc, nb_bits, nb_codes,\ + bits, bits_wrap, bits_size,\ + codes, codes_wrap, codes_size,\ + flags)\ + init_vlc_sparse(vlc, nb_bits, nb_codes,\ + bits, bits_wrap, bits_size,\ + codes, codes_wrap, codes_size,\ + NULL, 0, 0, flags) + +int init_vlc_sparse(VLC *vlc, int nb_bits, int nb_codes, const void *bits, int bits_wrap, int bits_size, const void *codes, int codes_wrap, int codes_size, + const void *symbols, int symbols_wrap, int symbols_size, int flags); #define INIT_VLC_USE_STATIC 1 #define INIT_VLC_LE 2 |