ffmpeg | branch: master | Timo Rothenpieler <t...@rothenpieler.org> | Wed May 21 01:16:19 2025 +0200| [d5a9f7bdd4d971029159975269a43480c92caf4d] | committer: Timo Rothenpieler
avcodec/cuviddec: only flush cuvid when output queue is empty > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d5a9f7bdd4d971029159975269a43480c92caf4d --- libavcodec/cuviddec.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/libavcodec/cuviddec.c b/libavcodec/cuviddec.c index bb24fad3d4..3437ee2109 100644 --- a/libavcodec/cuviddec.c +++ b/libavcodec/cuviddec.c @@ -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; _______________________________________________ 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".
