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Commit 9ef68adb authored by Fiona Glaser's avatar Fiona Glaser
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Minor CAVLC optimizations

parent d947f151
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Showing with 18 additions and 19 deletions
encoder/cavlc.c
View file @ 9ef68adb
......@@ -459,34 +459,33 @@ void x264_macroblock_write_cavlc( x264_t *h, bs_t *s )
const int i_ref1_max = h->mb.pic.i_fref[1] - 1;
bs_write_ue( s, mb_type_b_to_golomb[ h->mb.i_partition - D_16x8 ][ i_mb_type - B_L0_L0 ] );
switch( h->mb.i_partition )
if( h->mb.i_partition == D_16x16 )
{
case D_16x16:
if( i_ref0_max && b_list[0][0] ) bs_write_te( s, i_ref0_max, h->mb.cache.ref[0][x264_scan8[0]] );
if( i_ref1_max && b_list[1][0] ) bs_write_te( s, i_ref1_max, h->mb.cache.ref[1][x264_scan8[0]] );
if( b_list[0][0] ) cavlc_mb_mvd( h, s, 0, 0, 4 );
if( b_list[1][0] ) cavlc_mb_mvd( h, s, 1, 0, 4 );
break;
case D_16x8:
if( i_ref0_max && b_list[0][0] ) bs_write_te( s, i_ref0_max, h->mb.cache.ref[0][x264_scan8[0]] );
if( i_ref0_max && b_list[0][1] ) bs_write_te( s, i_ref0_max, h->mb.cache.ref[0][x264_scan8[8]] );
if( i_ref1_max && b_list[1][0] ) bs_write_te( s, i_ref1_max, h->mb.cache.ref[1][x264_scan8[0]] );
if( i_ref1_max && b_list[1][1] ) bs_write_te( s, i_ref1_max, h->mb.cache.ref[1][x264_scan8[8]] );
if( i_ref0_max && b_list[0][0] ) bs_write_te( s, i_ref0_max, h->mb.cache.ref[0][x264_scan8[0]] );
if( i_ref1_max && b_list[1][0] ) bs_write_te( s, i_ref1_max, h->mb.cache.ref[1][x264_scan8[0]] );
if( b_list[0][0] ) cavlc_mb_mvd( h, s, 0, 0, 4 );
if( b_list[1][0] ) cavlc_mb_mvd( h, s, 1, 0, 4 );
}
else
{
if( i_ref0_max && b_list[0][0] ) bs_write_te( s, i_ref0_max, h->mb.cache.ref[0][x264_scan8[ 0]] );
if( i_ref0_max && b_list[0][1] ) bs_write_te( s, i_ref0_max, h->mb.cache.ref[0][x264_scan8[12]] );
if( i_ref1_max && b_list[1][0] ) bs_write_te( s, i_ref1_max, h->mb.cache.ref[1][x264_scan8[ 0]] );
if( i_ref1_max && b_list[1][1] ) bs_write_te( s, i_ref1_max, h->mb.cache.ref[1][x264_scan8[12]] );
if( h->mb.i_partition == D_16x8 )
{
if( b_list[0][0] ) cavlc_mb_mvd( h, s, 0, 0, 4 );
if( b_list[0][1] ) cavlc_mb_mvd( h, s, 0, 8, 4 );
if( b_list[1][0] ) cavlc_mb_mvd( h, s, 1, 0, 4 );
if( b_list[1][1] ) cavlc_mb_mvd( h, s, 1, 8, 4 );
break;
case D_8x16:
if( i_ref0_max && b_list[0][0] ) bs_write_te( s, i_ref0_max, h->mb.cache.ref[0][x264_scan8[0]] );
if( i_ref0_max && b_list[0][1] ) bs_write_te( s, i_ref0_max, h->mb.cache.ref[0][x264_scan8[4]] );
if( i_ref1_max && b_list[1][0] ) bs_write_te( s, i_ref1_max, h->mb.cache.ref[1][x264_scan8[0]] );
if( i_ref1_max && b_list[1][1] ) bs_write_te( s, i_ref1_max, h->mb.cache.ref[1][x264_scan8[4]] );
}
else //if( h->mb.i_partition == D_8x16 )
{
if( b_list[0][0] ) cavlc_mb_mvd( h, s, 0, 0, 2 );
if( b_list[0][1] ) cavlc_mb_mvd( h, s, 0, 4, 2 );
if( b_list[1][0] ) cavlc_mb_mvd( h, s, 1, 0, 2 );
if( b_list[1][1] ) cavlc_mb_mvd( h, s, 1, 4, 2 );
break;
}
}
}
else //if( i_mb_type == B_DIRECT )
......
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