diff options
| author | BERO <bero@geocities.co.jp> | 2003-05-14 00:32:22 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-05-14 00:32:22 +0000 |
| commit | d8e00c099731b8499a8c377469ac5796f5bd186c (patch) | |
| tree | 711680cabebcfad66236563377db4e1ee77545b6 /libavcodec/common.c | |
| parent | 7062fad6e9e5d506f2cdaa31c75c404ccd1315ab (diff) | |
bitstream reader optimize patch by (BERO <bero at geocities dot co dot jp>)
Originally committed as revision 1871 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/common.c')
| -rw-r--r-- | libavcodec/common.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavcodec/common.c b/libavcodec/common.c index 8c50fbc8d6..4f70e6f924 100644 --- a/libavcodec/common.c +++ b/libavcodec/common.c @@ -140,9 +140,19 @@ void init_get_bits(GetBitContext *s, #ifdef ALT_BITSTREAM_READER s->index=0; #elif defined LIBMPEG2_BITSTREAM_READER +#ifdef LIBMPEG2_BITSTREAM_HACK + if ((int)buffer&1) { + /* word alignment */ + s->cache = (*buffer++)<<24; + s->buffer_ptr = buffer; + s->bit_count = 16-8; + } else +#endif + { s->buffer_ptr = buffer; s->bit_count = 16; s->cache = 0; + } #elif defined A32_BITSTREAM_READER s->buffer_ptr = (uint32_t*)buffer; s->bit_count = 32; |