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Code Issues Releases Activity

avcodec/nvenc: don't queue and offset dts for AV1

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dts != pts is actually a spec violation for AV1, given it has no
reordering in the classical sense.

We don't really need the whole timestamp queue in this case and can just
pass through the timestamp as is for both dts and pts.
This commit is contained in:
Timo Rothenpieler
2022-11-05 21:20:06 +01:00
parent 6362b8cd19
commit aa3d98227e
1 changed files with 9 additions and 3 deletions
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8
libavcodec/nvenc.c
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@@ -2170,9 +2170,13 @@ static int nvenc_set_timestamp(AVCodecContext *avctx,
NvencContext *ctx = avctx->priv_data;
pkt->pts = params->outputTimeStamp;
pkt->dts = timestamp_queue_dequeue(ctx->timestamp_list);
if (avctx->codec_descriptor->props & AV_CODEC_PROP_REORDER) {
pkt->dts = timestamp_queue_dequeue(ctx->timestamp_list);
pkt->dts -= FFMAX(ctx->encode_config.frameIntervalP - 1, 0) * FFMAX(avctx->ticks_per_frame, 1);
} else {
pkt->dts = pkt->pts;
}
return 0;
}
@@ -2582,6 +2586,8 @@ static int nvenc_send_frame(AVCodecContext *avctx, const AVFrame *frame)
if (frame && frame->buf[0]) {
av_fifo_write(ctx->output_surface_queue, &in_surf, 1);
if (avctx->codec_descriptor->props & AV_CODEC_PROP_REORDER)
timestamp_queue_enqueue(ctx->timestamp_list, frame->pts);
}