dashdemux: Add support webvtt subtitle stream
Enable exposing webvtt subtitle streams.
https://bugzilla.gnome.org/show_bug.cgi?id=784715
diff --git a/ext/dash/gstmpdparser.c b/ext/dash/gstmpdparser.c
index f60c3d5..dcb0554 100644
--- a/ext/dash/gstmpdparser.c
+++ b/ext/dash/gstmpdparser.c
@@ -2383,7 +2383,7 @@
return GST_STREAM_AUDIO;
if (strncmp_ext (mime, "video") == 0)
return GST_STREAM_VIDEO;
- if (strncmp_ext (mime, "application") == 0)
+ if (strncmp_ext (mime, "application") == 0 || strncmp_ext (mime, "text") == 0)
return GST_STREAM_APPLICATION;
return GST_STREAM_UNKNOWN;
@@ -5726,7 +5726,8 @@
if (!mimeType)
mimeType = stream->cur_adapt_set->RepresentationBase->mimeType;
- if (g_strcmp0 (mimeType, "application/ttml+xml") == 0)
+ if (g_strcmp0 (mimeType, "application/ttml+xml") == 0 ||
+ g_strcmp0 (mimeType, "text/vtt") == 0)
return TRUE;
adapt_set_codecs = stream->cur_adapt_set->RepresentationBase->codecs;
@@ -5747,6 +5748,8 @@
return "video/quicktime";
} else if (strcmp (mimeType, "audio/mp4") == 0) {
return "audio/x-m4a";
+ } else if (strcmp (mimeType, "text/vtt") == 0) {
+ return "application/x-subtitle-vtt";
} else
return mimeType;
}