Skip to content

F
ffmpeg.wasm-core
Commit 60ce2f9c authored by Kostya Shishkov's avatar Kostya Shishkov
Browse files
Options

Choose RV3/4 DC quantizer correctly 

Originally committed as revision 15675 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent bd09e8a7
Show whitespace changes
Inline Side-by-side
Showing with 2 additions and 2 deletions
libavcodec/rv34.c
View file @ 60ce2f9c
......@@ -1046,7 +1046,7 @@ static int rv34_decode_macroblock(RV34DecContext *r, int8_t *intra_types)
if(cbp == -1)
return -1;
luma_dc_quant = r->si.type ? r->luma_dc_quant_p[s->qscale] : r->luma_dc_quant_i[s->qscale];
luma_dc_quant = r->block_type == RV34_MB_P_MIX16x16 ? r->luma_dc_quant_p[s->qscale] : r->luma_dc_quant_i[s->qscale];
if(r->is16){
memset(block16, 0, sizeof(block16));
rv34_decode_block(block16, gb, r->cur_vlcs, 3, 0);
......@@ -1060,7 +1060,7 @@ static int rv34_decode_macroblock(RV34DecContext *r, int8_t *intra_types)
blkoff = ((i & 1) << 2) + ((i & 4) << 3);
if(cbp & 1)
rv34_decode_block(s->block[blknum] + blkoff, gb, r->cur_vlcs, r->luma_vlc, 0);
rv34_dequant4x4(s->block[blknum] + blkoff, rv34_qscale_tab[luma_dc_quant],rv34_qscale_tab[s->qscale]);
rv34_dequant4x4(s->block[blknum] + blkoff, rv34_qscale_tab[s->qscale],rv34_qscale_tab[s->qscale]);
if(r->is16) //FIXME: optimize
s->block[blknum][blkoff] = block16[(i & 3) | ((i & 0xC) << 1)];
rv34_inv_transform(s->block[blknum] + blkoff);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment