ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Jan 27 19:07:00 2020 +0100| [575e88e0893453ed510b58723540876af4faf8c1] | committer: Michael Niedermayer
avformat/mpegts: Improve the position determination for avpriv_mpegts_parse_packet() Fixes: assertion failure Fixes: Ticket 8005 Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit e5bb48ae5990347dff22fc38ff5a1c1f7f60a1c5) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=575e88e0893453ed510b58723540876af4faf8c1 --- libavformat/mpegts.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 370ebc20ea..4db526d330 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -2164,13 +2164,12 @@ static int parse_pcr(int64_t *ppcr_high, int *ppcr_low, const uint8_t *packet); /* handle one TS packet */ -static int handle_packet(MpegTSContext *ts, const uint8_t *packet) +static int handle_packet(MpegTSContext *ts, const uint8_t *packet, int64_t pos) { MpegTSFilter *tss; int len, pid, cc, expected_cc, cc_ok, afc, is_start, is_discontinuity, has_adaptation, has_payload; const uint8_t *p, *p_end; - int64_t pos; pid = AV_RB16(packet + 1) & 0x1fff; if (pid && discard_pid(ts, pid)) @@ -2227,7 +2226,6 @@ static int handle_packet(MpegTSContext *ts, const uint8_t *packet) if (p >= p_end || !has_payload) return 0; - pos = avio_tell(ts->stream->pb); if (pos >= 0) { av_assert0(pos >= TS_PACKET_SIZE); ts->pos47_full = pos - TS_PACKET_SIZE; @@ -2430,7 +2428,7 @@ static int handle_packets(MpegTSContext *ts, int64_t nb_packets) ret = read_packet(s, packet, ts->raw_packet_size, &data); if (ret != 0) break; - ret = handle_packet(ts, data); + ret = handle_packet(ts, data, avio_tell(s->pb)); finished_reading_packet(s, ts->raw_packet_size); if (ret != 0) break; @@ -2820,7 +2818,7 @@ int avpriv_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt, buf++; len--; } else { - handle_packet(ts, buf); + handle_packet(ts, buf, len1 - len + TS_PACKET_SIZE); buf += TS_PACKET_SIZE; len -= TS_PACKET_SIZE; if (ts->stop_parse == 1) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
