From 39f129593756e3e270ed3881ca076627f30e1eb7 Mon Sep 17 00:00:00 2001 From: Anthony Delannoy Date: Tue, 3 Sep 2019 17:54:24 +0200 Subject: [PATCH] avformat/mpegts: Check if ready on SCTE reception On some DVB stream SCTE-35 data packet are available before the end of MpegTSContext initialization. We have to check if it is the case to avoid a SEGFAULT. Signed-off-by: Marton Balint --- libavformat/mpegts.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 58902527c5..0415ceea02 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -1725,6 +1725,13 @@ static void scte_data_cb(MpegTSFilter *filter, const uint8_t *section, if (idx < 0) return; + /** + * In case we receive an SCTE-35 packet before mpegts context is fully + * initialized. + */ + if (!ts->pkt) + return; + new_data_packet(section, section_len, ts->pkt); ts->pkt->stream_index = idx; prg = av_find_program_from_stream(ts->stream, NULL, idx);