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| author | BERO <bero@geocities.co.jp> | 2003-05-13 23:38:51 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-05-13 23:38:51 +0000 |
| commit | 7062fad6e9e5d506f2cdaa31c75c404ccd1315ab (patch) | |
| tree | 91c32c7af75153f77d15adfe80a89fdb91d131df /libavcodec/mpeg12.c | |
| parent | f7a8c179a7a30c25e398c7222620452ef3635fff (diff) | |
| download | ffmpeg-7062fad6e9e5d506f2cdaa31c75c404ccd1315ab.tar.gz | |
small optimize mpeg12.c/get_qscale patch by (BERO <bero at geocities dot co dot jp>) and the return idea by arpi
Originally committed as revision 1870 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpeg12.c')
| -rw-r--r-- | libavcodec/mpeg12.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c index 7cb1592cab..3bbc843429 100644 --- a/libavcodec/mpeg12.c +++ b/libavcodec/mpeg12.c @@ -852,16 +852,13 @@ static inline int get_dmv(MpegEncContext *s) static inline int get_qscale(MpegEncContext *s) { - int qscale; + int qscale = get_bits(&s->gb, 5); if (s->mpeg2) { if (s->q_scale_type) { - qscale = non_linear_qscale[get_bits(&s->gb, 5)]; + return non_linear_qscale[qscale]; } else { - qscale = get_bits(&s->gb, 5) << 1; + return qscale << 1; } - } else { - /* for mpeg1, we use the generic unquant code */ - qscale = get_bits(&s->gb, 5); } return qscale; } |