ffmpeg | branch: master | Lynne <d...@lynne.ee> | Sun Apr 6 00:47:29 2025 +0000| [72953477a415d816e1152256f9cb3f74d00f245c] | committer: Lynne
vulkan_ffv1: fix left-2 sample addressing Typo. Not enough to fix context=1, but its a start. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=72953477a415d816e1152256f9cb3f74d00f245c --- libavcodec/vulkan/ffv1_dec.comp | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/libavcodec/vulkan/ffv1_dec.comp b/libavcodec/vulkan/ffv1_dec.comp index 7d3150ed63..1954c050f8 100644 --- a/libavcodec/vulkan/ffv1_dec.comp +++ b/libavcodec/vulkan/ffv1_dec.comp @@ -44,15 +44,17 @@ ivec2 get_pred(ivec2 pos, ivec2 off, int p, int sw, uint8_t quant_table_idx) if ((quant_table[quant_table_idx][3][127] != 0) || (quant_table[quant_table_idx][4][127] != 0)) { + TYPE cur2 = TYPE(0); if (off.x > 0 && off != ivec2(1, 0)) { const ivec2 yoff_border2 = off.x == 1 ? ivec2(1, -1) : ivec2(0, 0); - TYPE cur2 = TYPE(imageLoad(dst[p], pos + ivec2(-2, 0) + yoff_border2)[0]); - base += quant_table[quant_table_idx][3][(cur2 - cur) & MAX_QUANT_TABLE_MASK]; - } - if (off.y > 1) { - TYPE top2 = TYPE(imageLoad(dst[p], pos + ivec2(0, -2))[0]); - base += quant_table[quant_table_idx][4][(top2 - top[1]) & MAX_QUANT_TABLE_MASK]; + cur2 = TYPE(imageLoad(dst[p], pos + ivec2(-2, 0) + yoff_border2)[0]); } + base += quant_table[quant_table_idx][3][(cur2 - cur) & MAX_QUANT_TABLE_MASK]; + + TYPE top2 = TYPE(0); + if (off.y > 1) + top2 = TYPE(imageLoad(dst[p], pos + ivec2(0, -2))[0]); + base += quant_table[quant_table_idx][4][(top2 - top[1]) & MAX_QUANT_TABLE_MASK]; } /* context, prediction */ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
