qtmux: Do not check timecode data for mp4 container

Timecode trak is only supported for mov right now, not for mp4. That
code would otherwise create an invalid trak if the muxed video contained
timecode metadata.

https://bugzilla.gnome.org/show_bug.cgi?id=782684

1 files changed, 38 insertions, 27 deletions

diff --git a/gst/isomp4/gstqtmux.c b/gst/isomp4/gstqtmux.c
index fb3b68582..36d697882 100644
--- a/gst/isomp4/gstqtmux.c
+++ b/gst/isomp4/gstqtmux.c
@@ -2443,6 +2443,7 @@ gst_qt_mux_prefill_samples (GstQTMux * qtmux)
 {
   GstQTPad *qpad;
   GSList *walk;
+  GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
 
   /* Update expected sample sizes/durations as needed, this is for raw
    * audio where samples are actual audio samples. */
@@ -2454,41 +2455,43 @@ gst_qt_mux_prefill_samples (GstQTMux * qtmux)
       return FALSE;
   }
 
-  /* For the first sample check/update timecode as needed. We do that before
-   * all actual samples as the code in gst_qt_mux_add_buffer() does it with
-   * initial buffer directly, not with last_buf */
-  for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
-    GstCollectData *cdata = (GstCollectData *) walk->data;
-    GstQTPad *qpad = (GstQTPad *) cdata;
-    GstBuffer *buffer =
-        gst_collect_pads_peek (qtmux->collect, (GstCollectData *) qpad);
-    GstVideoTimeCodeMeta *tc_meta;
+  if (qtmux_klass->format == GST_QT_MUX_FORMAT_QT) {
+    /* For the first sample check/update timecode as needed. We do that before
+     * all actual samples as the code in gst_qt_mux_add_buffer() does it with
+     * initial buffer directly, not with last_buf */
+    for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
+      GstCollectData *cdata = (GstCollectData *) walk->data;
+      GstQTPad *qpad = (GstQTPad *) cdata;
+      GstBuffer *buffer =
+          gst_collect_pads_peek (qtmux->collect, (GstCollectData *) qpad);
+      GstVideoTimeCodeMeta *tc_meta;
 
-    if (buffer && (tc_meta = gst_buffer_get_video_time_code_meta (buffer))) {
-      GstVideoTimeCode *tc = &tc_meta->tc;
+      if (buffer && (tc_meta = gst_buffer_get_video_time_code_meta (buffer))) {
+        GstVideoTimeCode *tc = &tc_meta->tc;
 
-      qpad->tc_trak = atom_trak_new (qtmux->context);
-      atom_moov_add_trak (qtmux->moov, qpad->tc_trak);
+        qpad->tc_trak = atom_trak_new (qtmux->context);
+        atom_moov_add_trak (qtmux->moov, qpad->tc_trak);
 
-      qpad->trak->tref = atom_tref_new (FOURCC_tmcd);
-      atom_tref_add_entry (qpad->trak->tref, qpad->tc_trak->tkhd.track_ID);
+        qpad->trak->tref = atom_tref_new (FOURCC_tmcd);
+        atom_tref_add_entry (qpad->trak->tref, qpad->tc_trak->tkhd.track_ID);
 
-      atom_trak_set_timecode_type (qpad->tc_trak, qtmux->context, tc);
+        atom_trak_set_timecode_type (qpad->tc_trak, qtmux->context, tc);
 
-      atom_trak_add_samples (qpad->tc_trak, 1, 1, 4,
-          qtmux->mdat_size, FALSE, 0);
+        atom_trak_add_samples (qpad->tc_trak, 1, 1, 4,
+            qtmux->mdat_size, FALSE, 0);
 
-      qpad->tc_pos = qtmux->mdat_size;
-      qpad->first_tc = gst_video_time_code_copy (tc);
-      qpad->first_pts = GST_BUFFER_PTS (buffer);
+        qpad->tc_pos = qtmux->mdat_size;
+        qpad->first_tc = gst_video_time_code_copy (tc);
+        qpad->first_pts = GST_BUFFER_PTS (buffer);
 
-      qtmux->current_chunk_offset = -1;
-      qtmux->current_chunk_size = 0;
-      qtmux->current_chunk_duration = 0;
-      qtmux->mdat_size += 4;
+        qtmux->current_chunk_offset = -1;
+        qtmux->current_chunk_size = 0;
+        qtmux->current_chunk_duration = 0;
+        qtmux->mdat_size += 4;
+      }
+      if (buffer)
+        gst_buffer_unref (buffer);
     }
-    if (buffer)
-      gst_buffer_unref (buffer);
   }
 
   while ((qpad = find_best_pad_prefill (qtmux))) {
@@ -3173,6 +3176,10 @@ gst_qt_mux_update_timecode (GstQTMux * qtmux, GstQTPad * qtpad)
   GstBuffer *buf;
   GstMapInfo map;
   guint64 offset = qtpad->tc_pos;
+  GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
+
+  if (qtmux_klass->format != GST_QT_MUX_FORMAT_QT)
+    return GST_FLOW_OK;
 
   g_assert (qtpad->tc_pos != -1);
 
@@ -3893,6 +3900,10 @@ gst_qt_mux_check_and_update_timecode (GstQTMux * qtmux, GstQTPad * pad,
   GstBuffer *tc_buf;
   gsize szret;
   guint32 frames_since_daily_jam;
+  GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
+
+  if (qtmux_klass->format != GST_QT_MUX_FORMAT_QT)
+    return ret;
 
   if (buf == NULL || (pad->tc_trak != NULL && pad->tc_pos == -1))
     return ret;