On Thu, 21 Oct 2021, Alex Shumsky wrote:
From ETSI EN 300 472 V1.3.1 (2003-05) Specification for conveying ITU-R System B Teletext in DVB bitstreams:4.1 Transport Stream (TS) packet format The standard TS packet syntax and semantics are followed, noting the following constraint: - adaptation_field_control only the values "01" and "10" are permitted. Some set top boxes (Motorola, Arris, Zyxel) refuse non-conforming packets. Signed-off-by: Alex Shumsky <alexthr...@gmail.com> --- libavformat/mpegtsenc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c index 184bb52f75..3d630e2500 100644 --- a/libavformat/mpegtsenc.c +++ b/libavformat/mpegtsenc.c @@ -1564,7 +1564,8 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st, q = get_ts_payload_start(buf); ts_st->discontinuity = 0; } - if (key && is_start && pts != AV_NOPTS_VALUE) { + if (key && is_start && pts != AV_NOPTS_VALUE + && !is_dvb_teletext /* adaptation+payload forbidden for teletext (ETSI EN 300 472 V1.3.1 4.1) */ ) { // set Random Access for key frames if (ts_st->pcr_period) write_pcr = 1;
Thanks, will apply. Regards, Marton _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
