The parser stage is not parallelizable. We need to schedule it as soon as possible to create later stages, which are more parallelizable clips | before | after | delta --------------------------------------------|--------|-------|------ RitualDance_1920x1080_60_10_420_37_RA.266 | 342.7 | 365.3 | 6.59% NovosobornayaSquare_1920x1080.bin | 321.7 | 400 | 24.34% Tango2_3840x2160_60_10_420_27_LD.266 | 82.3 | 91.7 | 11.42% RitualDance_1920x1080_60_10_420_32_LD.266 | 323.7 | 319.3 | -1.36% Chimera_8bit_1080P_1000_frames.vvc | 364 | 411.3 | 12.99% BQTerrace_1920x1080_60_10_420_22_RA.vvc | 162.7 | 185.7 | 14.14% --- libavcodec/vvc/thread.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavcodec/vvc/thread.c b/libavcodec/vvc/thread.c index 8dd9a36fd5..28065d726f 100644 --- a/libavcodec/vvc/thread.c +++ b/libavcodec/vvc/thread.c @@ -385,14 +385,15 @@ static int task_priority_higher(const AVTask *_a, const AVTask *_b) const VVCTask *a = (const VVCTask*)_a; const VVCTask *b = (const VVCTask*)_b; - CHECK(a->fc->decode_order, b->fc->decode_order); //decode order - if (a->stage == VVC_TASK_STAGE_PARSE || b->stage == VVC_TASK_STAGE_PARSE) { + if (a->stage <= VVC_TASK_STAGE_PARSE || b->stage <= VVC_TASK_STAGE_PARSE) { CHECK(a->stage, b->stage); + CHECK(a->fc->decode_order, b->fc->decode_order); //decode order CHECK(a->ry, b->ry); return a->rx < b->rx; } + CHECK(a->fc->decode_order, b->fc->decode_order); //decode order CHECK(a->rx + a->ry + a->stage, b->rx + b->ry + b->stage); //zigzag with type CHECK(a->rx + a->ry, b->rx + b->ry); //zigzag return a->ry < b->ry; -- 2.34.1