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playbin: Propagate sink context

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Any contexts created by sink during activation need to be propagated
to whole elements of playbin.
This commit is contained in:
Seungha Yang 2019-12-31 15:49:05 +09:00
parent 807418894b
commit 539a703b0b
1 changed files with 30 additions and 0 deletions
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30
gst/playback/gstplaybin2.c
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@ -636,6 +636,8 @@ static void pad_removed_cb (GstElement * decodebin, GstPad * pad,
static void gst_play_bin_suburidecodebin_block (GstSourceGroup * group,
GstElement * suburidecodebin, gboolean block);
static void gst_play_bin_suburidecodebin_seek_to_start (GstSourceGroup * group);
static void
gst_play_bin_update_context (GstPlayBin * playbin, GstContext * context);
static GstElementClass *parent_class;
@ -3066,6 +3068,34 @@ gst_play_bin_handle_message (GstBin * bin, GstMessage * msg)
g_free (uri);
}
}
} else if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_NEED_CONTEXT) {
const gchar *context_type;
GList *iter;
gst_message_parse_context_type (msg, &context_type);
GST_OBJECT_LOCK (playbin);
for (iter = playbin->contexts; iter; iter = g_list_next (iter)) {
GstContext *tmp = iter->data;
const gchar *tmp_type = gst_context_get_context_type (tmp);
if (strcmp (context_type, tmp_type) == 0) {
gst_element_set_context (GST_ELEMENT (GST_MESSAGE_SRC (msg)), tmp);
break;
}
}
GST_OBJECT_UNLOCK (playbin);
/* don't need to post upward this if it's answered by us */
if (iter) {
gst_message_unref (msg);
msg = NULL;
}
} else if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_HAVE_CONTEXT) {
GstContext *context;
gst_message_parse_have_context (msg, &context);
gst_play_bin_update_context (playbin, context);
gst_context_unref (context);
}
if (msg)