Timo Rothenpieler <t...@rothenpieler.org> 于2023年7月25日周二 08:01写道：
>
> ---
> libavformat/flvenc.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c
> index 335d900415..41636ba1b8 100644
> --- a/libavformat/flvenc.c
> +++ b/libavformat/flvenc.c
> @@ -863,6 +863,9 @@ static int flv_write_packet(AVFormatContext *s, AVPacket
> *pkt)
> else
> flags_size = 1;
>
> + if (par->codec_id == AV_CODEC_ID_HEVC && pkt->pts != pkt->dts)
> + flags_size += 3;
> +
> if (par->codec_id == AV_CODEC_ID_AAC || par->codec_id == AV_CODEC_ID_H264
> || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id ==
> AV_CODEC_ID_HEVC
> || par->codec_id == AV_CODEC_ID_AV1 || par->codec_id ==
> AV_CODEC_ID_VP9) {
> @@ -998,8 +1001,11 @@ static int flv_write_packet(AVFormatContext *s,
> AVPacket *pkt)
> } else {
> av_assert1(flags>=0);
> if (par->codec_id == AV_CODEC_ID_HEVC) {
> - avio_w8(pb, FLV_IS_EX_HEADER | PacketTypeCodedFramesX |
> frametype); // ExVideoTagHeader mode with PacketTypeCodedFramesX
> + int pkttype = (pkt->pts != pkt->dts) ? PacketTypeCodedFrames :
> PacketTypeCodedFramesX;
> + avio_w8(pb, FLV_IS_EX_HEADER | pkttype | frametype); //
> ExVideoTagHeader mode with PacketTypeCodedFramesX
> avio_write(pb, "hvc1", 4);
> + if (pkttype == PacketTypeCodedFrames)
> + avio_wb24(pb, pkt->pts - pkt->dts);
> } else if (par->codec_id == AV_CODEC_ID_AV1 || par->codec_id ==
> AV_CODEC_ID_VP9) {
> avio_w8(pb, FLV_IS_EX_HEADER | PacketTypeCodedFrames |
> frametype);
> avio_write(pb, par->codec_id == AV_CODEC_ID_AV1 ? "av01" :
> "vp09", 4);
> --
> 2.34.1
>
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LGTM
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