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Code Issues Releases Activity

avcodec/cuviddec: only flush cuvid when output queue is empty

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This commit is contained in:
Timo Rothenpieler
2025-05-21 01:16:19 +02:00
parent 431e2cae87
commit d5a9f7bdd4
1 changed files with 6 additions and 1 deletions
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7
libavcodec/cuviddec.c
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@ -505,7 +505,12 @@ static int cuvid_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt)
ctx->decoder_flushing = 1;
}
ret = CHECK_CU(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &cupkt));
// When flushing, only actually flush cuvid when the output buffer has been fully emptied.
// CUVID happily dumps out a ton of frames with no regard for its own available surfaces.
if (!ctx->decoder_flushing || (ctx->decoder_flushing && !av_fifo_can_read(ctx->frame_queue)))
ret = CHECK_CU(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &cupkt));
else
ret = 0;
if (ret < 0)
goto error;