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[FFmpeg-devel,v2,2/5] mpegts: Stash original PTS for SCTE-35 sections for processing later

Message ID 1688408109-14381-3-git-send-email-dheitmueller@ltnglobal.com
State New
Headers show
Series Add passthrough support for SCTE-35 | expand

Checks

Context Check Description
andriy/configure_x86 warning Failed to apply patch

Commit Message

Devin Heitmueller July 3, 2023, 6:15 p.m. UTC 
We need the original PTS value in order to do subsequent processing,
so set it as packet side data.

Signed-off-by: Devin Heitmueller <dheitmueller@ltnglobal.com>
---
 libavformat/mpegts.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)
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Patch

diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 0b3edda..a1b2420 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -1783,8 +1783,17 @@  static void scte_data_cb(MpegTSFilter *filter, const uint8_t *section,
     prg = av_find_program_from_stream(ts->stream, NULL, idx);
     if (prg && prg->pcr_pid != -1 && prg->discard != AVDISCARD_ALL) {
         MpegTSFilter *f = ts->pids[prg->pcr_pid];
-        if (f && f->last_pcr != -1)
+        if (f && f->last_pcr != -1) {
+            AVTransportTimestamp *transport_ts;
             ts->pkt->pts = ts->pkt->dts = f->last_pcr/300;
+            transport_ts = (AVTransportTimestamp *) av_packet_new_side_data(ts->pkt,
+                                                                            AV_PKT_DATA_TRANSPORT_TIMESTAMP,
+                                                                            sizeof(AVTransportTimestamp));
+            if (transport_ts) {
+                transport_ts->pts = ts->pkt->pts;
+                transport_ts->time_base = av_make_q(1, 90000);
+            }
+        }
     }
     ts->stop_parse = 1;