winegstreamer: Send stream-start, caps, and segment events on creation.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51931
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52391
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2022-02-25 11:43:01 -06:00 committed by Alexandre Julliard
parent 9196fee583
commit 227a1275b1
1 changed files with 21 additions and 0 deletions

View File

@ -47,6 +47,7 @@ struct wg_transform
GstElement *container;
GstPad *my_src, *my_sink;
GstPad *their_sink, *their_src;
GstSegment segment;
};
static GstFlowReturn transform_sink_chain_cb(GstPad *pad, GstObject *parent, GstBuffer *buffer)
@ -154,6 +155,7 @@ NTSTATUS wg_transform_create(void *args)
GstPadTemplate *template = NULL;
struct wg_transform *transform;
const gchar *media_type;
GstEvent *event;
if (!init_gstreamer())
return STATUS_UNSUCCESSFUL;
@ -257,6 +259,22 @@ NTSTATUS wg_transform_create(void *args)
if (!gst_element_get_state(transform->container, NULL, NULL, -1))
goto out;
if (!(event = gst_event_new_stream_start("stream"))
|| !gst_pad_push_event(transform->my_src, event))
goto out;
if (!(event = gst_event_new_caps(src_caps))
|| !gst_pad_push_event(transform->my_src, event))
goto out;
/* We need to use GST_FORMAT_TIME here because it's the only format
* some elements such avdec_wmav2 correctly support. */
gst_segment_init(&transform->segment, GST_FORMAT_TIME);
transform->segment.start = 0;
transform->segment.stop = -1;
if (!(event = gst_event_new_segment(&transform->segment))
|| !gst_pad_push_event(transform->my_src, event))
goto out;
gst_caps_unref(sink_caps);
gst_caps_unref(src_caps);
@ -278,7 +296,10 @@ out:
if (src_caps)
gst_caps_unref(src_caps);
if (transform->container)
{
gst_element_set_state(transform->container, GST_STATE_NULL);
gst_object_unref(transform->container);
}
free(transform);
GST_ERROR("Failed to create winegstreamer transform.");
return status;