On Wed, Jan 15, 2020 at 12:42:13AM +0100, Nicolas Gaullier wrote:
> This fixes mpeg2video stream copies to mpeg muxer like this:
> ffmpeg -i xdcamhd.mxf -c:v copy output.mpg
> ---
> libavcodec/mpeg12dec.c | 7 +++++++
> tests/ref/fate/mxf-probe-d10 | 3 +++
> tests/ref/fate/ts-demux | 2 +-
> 3 files changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
> index 17f9495a1d..48ac14fafa 100644
> --- a/libavcodec/mpeg12dec.c
> +++ b/libavcodec/mpeg12dec.c
> @@ -1398,6 +1398,7 @@ static void mpeg_decode_sequence_extension(Mpeg1Context
> *s1)
> MpegEncContext *s = &s1->mpeg_enc_ctx;
> int horiz_size_ext, vert_size_ext;
> int bit_rate_ext;
> + AVCPBProperties *cpb_props;
>
> skip_bits(&s->gb, 1); /* profile and level esc*/
> s->avctx->profile = get_bits(&s->gb, 3);
> @@ -1429,6 +1430,12 @@ static void
> mpeg_decode_sequence_extension(Mpeg1Context *s1)
> ff_dlog(s->avctx, "sequence extension\n");
> s->codec_id = s->avctx->codec_id = AV_CODEC_ID_MPEG2VIDEO;
>
> + if (cpb_props = ff_add_cpb_side_data(s->avctx)) {
> + cpb_props->buffer_size = FFMAX(cpb_props->buffer_size,
> s->avctx->rc_buffer_size);
> + if (s->bit_rate != 0x3FFFF*400)
> + cpb_props->max_bitrate = FFMAX(cpb_props->max_bitrate,
> s->bit_rate);
> + }why does this not export exactly the numbers as read from the header? thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Does the universe only have a finite lifespan? No, its going to go on forever, its just that you wont like living in it. -- Hiranya Peiri
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