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| author | Alexander Strange <astrange@ithinksw.com> | 2010-03-26 05:04:03 +0000 |
|---|---|---|
| committer | Alexander Strange <astrange@ithinksw.com> | 2010-03-26 05:04:03 +0000 |
| commit | 767738f7a31d0cc1d27a61d45ce9628e92d2bd6d (patch) | |
| tree | 472f06e4f69e6a35acd362fc5f0d2997c9f0948b | |
| parent | e644db613a8fe008c996ca642800f8ccd90e613f (diff) | |
| download | ffmpeg-767738f7a31d0cc1d27a61d45ce9628e92d2bd6d.tar.gz | |
h264: Use + instead of | in some places
6 insns less on x86-64/gcc 4.2.
Originally committed as revision 22692 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/h264_cabac.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/libavcodec/h264_cabac.c b/libavcodec/h264_cabac.c index b0c2e3ae51..755fb48be8 100644 --- a/libavcodec/h264_cabac.c +++ b/libavcodec/h264_cabac.c @@ -827,13 +827,13 @@ static int decode_cabac_mb_cbp_luma( H264Context *h) { cbp_b = h->top_cbp; ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04); - cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]); + cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]); ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08); - cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1; + cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1; ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01); - cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2; + cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2; ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02); - cbp |= get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3; + cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3; return cbp; } static int decode_cabac_mb_cbp_chroma( H264Context *h) { @@ -1244,9 +1244,9 @@ int ff_h264_decode_mb_cabac(H264Context *h) { }else{ int bits; bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3; - bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2; - bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1; - bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); + bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2; + bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1; + bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); if( bits < 8 ){ mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */ }else if( bits == 13 ){ @@ -1257,7 +1257,7 @@ int ff_h264_decode_mb_cabac(H264Context *h) { }else if( bits == 15 ){ mb_type= 22; /* B_8x8 */ }else{ - bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); + bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */ } } |