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avcodec/vvcdec: thread, ensure the parse stage gets the highest priority

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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%

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Nuo Mi 2024-07-28 11:17:57 +08:00 committed by Paul B Mahol
parent b6b22d5f56
commit 92c4710e4c
1 changed files with 3 additions and 2 deletions
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5
libavcodec/vvc/thread.c
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@ -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;