avformat/demux: don't propagate unsupported skip samples packet side data values

Should fix ticket #9622 Signed-off-by: James Almer <jamrial@gmail.com>
3 years ago · 3b9bd63ad9
parent 8a9d3d3dec
commit 3b9bd63ad9
1 changed files with 1 additions and 0 deletions
--- a/libavformat/demux.c
+++ b/libavformat/demux.c
@ -1354,6 +1354,7 @@ static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
        }
        if (sti->start_skip_samples && (pkt->pts == 0 || pkt->pts == RELATIVE_TS_BASE))
            sti->skip_samples = sti->start_skip_samples;
+        sti->skip_samples = FFMAX(0, sti->skip_samples);
        if (sti->skip_samples || discard_padding) {
            uint8_t *p = av_packet_new_side_data(pkt, AV_PKT_DATA_SKIP_SAMPLES, 10);
            if (p) {