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decodebin3: Avoid overriding explicit user selection

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In case the user set a list of streams to select or answer explicitly
to all 'select-stream' event, we should respect his choice and not
try to add a stream per type.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/666>
This commit is contained in:
Thibault Saunier 2020-05-22 00:32:15 -04:00
parent 78444fc622
commit b41b87522f
1 changed files with 16 additions and 10 deletions
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26
gst/playback/gstdecodebin3.c
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@ -1106,6 +1106,7 @@ update_requested_selection (GstDecodebin3 * dbin)
{
guint i, nb;
GList *tmp = NULL;
gboolean all_user_selected = TRUE;
GstStreamType used_types = 0;
GstStreamCollection *collection;
@ -1140,6 +1141,9 @@ update_requested_selection (GstDecodebin3 * dbin)
gst_decodebin3_signals[SIGNAL_SELECT_STREAM], 0, collection, stream,
&request);
GST_DEBUG_OBJECT (dbin, "stream %s , request:%d", sid, request);
if (request == -1)
all_user_selected = FALSE;
if (request == 1 || (request == -1
&& (stream_in_list (dbin->requested_selection, sid)
|| stream_in_list (dbin->active_selection, sid)))) {
@ -1156,16 +1160,18 @@ update_requested_selection (GstDecodebin3 * dbin)
}
}
/* 4. If not, match one stream of each type */
for (i = 0; i < nb; i++) {
GstStream *stream = gst_stream_collection_get_stream (collection, i);
GstStreamType curtype = gst_stream_get_stream_type (stream);
if (!(used_types & curtype)) {
const gchar *sid = gst_stream_get_stream_id (stream);
GST_DEBUG_OBJECT (dbin, "Selecting stream '%s' of type %s",
sid, gst_stream_type_get_name (curtype));
tmp = g_list_append (tmp, (gchar *) sid);
used_types |= curtype;
/* 4. If the user didn't explicitly selected all streams, match one stream of each type */
if (!all_user_selected && !dbin->requested_selection) {
for (i = 0; i < nb; i++) {
GstStream *stream = gst_stream_collection_get_stream (collection, i);
GstStreamType curtype = gst_stream_get_stream_type (stream);
if (!(used_types & curtype)) {
const gchar *sid = gst_stream_get_stream_id (stream);
GST_ERROR_OBJECT (dbin, "Selecting stream '%s' of type %s",
sid, gst_stream_type_get_name (curtype));
tmp = g_list_append (tmp, (gchar *) sid);
used_types |= curtype;
}
}
}