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matroska-mux: If a stream has a TITLE tag, use it for the name.

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If a title tag is pushed to a pad, store it as the Track name.
This means that players will use it as the human readable
description of the track, instead of something generic like 'Video'
or 'Subtitle'

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1798>
This commit is contained in:
Jan Schmidt 2022-02-27 03:17:26 +11:00 committed by GStreamer Marge Bot
parent 7efdc9c7f5
commit cebf769725
1 changed files with 11 additions and 1 deletions
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12
subprojects/gst-plugins-good/gst/matroska/matroska-mux.c
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@ -865,12 +865,22 @@ gst_matroska_mux_handle_sink_event (GstCollectPads * pads,
g_free (lang); g_free (lang);
} }
/* FIXME: what about stream-specific tags? */
if (gst_tag_list_get_scope (list) == GST_TAG_SCOPE_GLOBAL) { if (gst_tag_list_get_scope (list) == GST_TAG_SCOPE_GLOBAL) {
gst_tag_setter_merge_tags (GST_TAG_SETTER (mux), list, gst_tag_setter_merge_tags (GST_TAG_SETTER (mux), list,
gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (mux))); gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (mux)));
} else { } else {
gchar *title = NULL;
/* Stream specific tags */
gst_tag_list_insert (collect_pad->tags, list, GST_TAG_MERGE_REPLACE); gst_tag_list_insert (collect_pad->tags, list, GST_TAG_MERGE_REPLACE);
/* If the tags contain a title, update the context name to write it there */
if (gst_tag_list_get_string (list, GST_TAG_TITLE, &title)) {
GST_INFO_OBJECT (pad, "Setting track name to '%s'", title);
g_free (context->name);
context->name = g_strdup (title);
}
g_free (title);
} }
gst_event_unref (event); gst_event_unref (event);