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avformat/mxfenc: add h264_mp4toannexb bitstream filter if needed when muxing h264 

Partially fixes ticket #10395.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2024-02-23 01:08:00 +01:00
parent 901165516c
commit 64634e809f
1 changed files with 12 additions and 0 deletions
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12
libavformat/mxfenc.c
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@ -3542,6 +3542,16 @@ static int mxf_interleave(AVFormatContext *s, AVPacket *pkt,
return mxf_interleave_get_packet(s, pkt, flush);
}
static int mxf_check_bitstream(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
{
if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
AV_RB24(pkt->data) != 0x000001)
return ff_stream_add_bitstream_filter(st, "h264_mp4toannexb", NULL);
}
return 1;
}
#define MXF_COMMON_OPTIONS \
{ "signal_standard", "Force/set Signal Standard",\
offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, .unit = "signal_standard"},\
@ -3623,6 +3633,7 @@ const FFOutputFormat ff_mxf_muxer = {
.p.flags = AVFMT_NOTIMESTAMPS,
.interleave_packet = mxf_interleave,
.p.priv_class = &mxf_muxer_class,
.check_bitstream = mxf_check_bitstream,
};
const FFOutputFormat ff_mxf_d10_muxer = {
@ -3656,4 +3667,5 @@ const FFOutputFormat ff_mxf_opatom_muxer = {
.p.flags = AVFMT_NOTIMESTAMPS,
.interleave_packet = mxf_interleave,
.p.priv_class = &mxf_opatom_muxer_class,
.check_bitstream = mxf_check_bitstream,
};