static GList *get_capture_sources(OwrMediaType types)
{
static GList *cached_sources = NULL;
OwrLocalMediaSource *source;
OwrMediaType media_type;
GList *result_list = NULL;
GList *elem;
if (g_once_init_enter(&cached_sources)) {
GList *sources = NULL;
/* FIXME: This code makes no sense at all, we shouldn't hardcode
* capture sources but check what is available. Not everybody has
* /dev/video0 and /dev/video1, and not always are they camera
* sources...
* Use GstDeviceMonitor here! */
source = _owr_local_media_source_new("Audio capture source", OWR_MEDIA_TYPE_AUDIO,
OWR_SOURCE_TYPE_CAPTURE);
sources = g_list_append(sources, OWR_MEDIA_SOURCE(source));
source = _owr_local_media_source_new("Video capture source", OWR_MEDIA_TYPE_VIDEO,
OWR_SOURCE_TYPE_CAPTURE);
_owr_local_media_source_set_capture_device_index(source, PRIMARY_VIDEO_DEVICE_INDEX);
sources = g_list_append(sources, OWR_MEDIA_SOURCE(source));
source = _owr_local_media_source_new("Video capture source", OWR_MEDIA_TYPE_VIDEO,
OWR_SOURCE_TYPE_CAPTURE);
_owr_local_media_source_set_capture_device_index(source, SECONDARY_VIDEO_DEVICE_INDEX);
sources = g_list_append(sources, OWR_MEDIA_SOURCE(source));
if (g_getenv("OWR_USE_TEST_SOURCES")) {
source = _owr_local_media_source_new("Video test source", OWR_MEDIA_TYPE_VIDEO,
OWR_SOURCE_TYPE_TEST);
sources = g_list_append(sources, OWR_MEDIA_SOURCE(source));
source = _owr_local_media_source_new("Audio test source", OWR_MEDIA_TYPE_AUDIO,
OWR_SOURCE_TYPE_TEST);
sources = g_list_append(sources, OWR_MEDIA_SOURCE(source));
}
g_once_init_leave(&cached_sources, sources);
}
for (elem = cached_sources; elem; elem = elem->next) {
source = OWR_LOCAL_MEDIA_SOURCE(elem->data);
g_object_get(source, "media-type", &media_type, NULL);
if (types & media_type) {
g_object_ref(source);
result_list = g_list_append(result_list, source);
}
}
return result_list;
}
static OwrMediaSource * pick_a_source(GList *sources, OwrMediaType type, gboolean manual)
{
GList *item = sources;
OwrMediaSource *source = NULL;
OwrSourceType source_type;
guint i = 1, sel = 0;
gboolean have_one = FALSE;
while (item) {
gchar *name;
OwrMediaType media_type;
source = OWR_MEDIA_SOURCE(item->data);
g_object_get(source, "name", &name, "media-type", &media_type, "type", &source_type, NULL);
if (source_type == OWR_SOURCE_TYPE_CAPTURE && media_type == type) {
if (manual) {
g_print("%u: %s (%s)\n", i, name, media_type == OWR_MEDIA_TYPE_VIDEO ? "video" : "audio");
have_one = TRUE;
} else {
g_free(name);
return source;
}
}
item = item->next;
i++;
g_free(name);
}
if (!have_one)
return NULL;
scanf("%u", &sel);
if (sel < 1 || sel >= i)
return NULL;
return OWR_MEDIA_SOURCE((g_list_nth(sources, sel - 1))->data);
}
OwrLocalMediaSource *_owr_local_media_source_new(gchar *name, OwrMediaType media_type,
OwrSourceType source_type)
{
OwrLocalMediaSource *source;
source = g_object_new(OWR_TYPE_LOCAL_MEDIA_SOURCE,
"name", name,
"media-type", media_type,
NULL);
_owr_media_source_set_type(OWR_MEDIA_SOURCE(source), source_type);
return source;
}
static void owr_media_source_finalize(GObject *object)
{
OwrMediaSource *source = OWR_MEDIA_SOURCE(object);
OwrMediaSourcePrivate *priv = source->priv;
g_free(priv->name);
priv->name = NULL;
if (priv->source_bin) {
GstElement *source_bin = priv->source_bin;
priv->source_bin = NULL;
gst_element_set_state(source_bin, GST_STATE_NULL);
gst_object_unref(source_bin);
}
if (priv->source_tee) {
gst_object_unref(priv->source_tee);
priv->source_tee = NULL;
}
g_mutex_clear(&source->lock);
G_OBJECT_CLASS(owr_media_source_parent_class)->finalize(object);
}
OwrSession* new_session() {
Debug("new session");
OwrMediaSession *session = owr_media_session_new(TRUE);
g_signal_connect(session, "on-new-candidate",
G_CALLBACK(got_candidate), NULL);
g_signal_connect(session, "on-candidate-gathering-done",
G_CALLBACK(candidate_gathering_done_go), NULL);
g_signal_connect(session, "notify::dtls-certificate",
G_CALLBACK(got_dtls_certificate), NULL);
if (local_sources != NULL && local_sources->data != NULL) {
Debug("setting local source");
owr_media_session_set_send_source(session, OWR_MEDIA_SOURCE(local_sources->data));
}
// TODO make the specs (payload:120, encoding VP8, clock: 9000) mutable.
OwrPayload *payload = owr_video_payload_new(OWR_CODEC_TYPE_VP8, 120, 90000, TRUE, TRUE);
owr_media_session_set_send_payload(session, payload);
// Add session to the transport.
owr_transport_agent_add_session(transport_agent, OWR_SESSION(session));
return OWR_SESSION(session);
}
OwrMediaSource *_owr_uri_source_new(OwrMediaType media_type,
guint stream_id, OwrCodecType codec_type, gpointer uridecodebin_ptr)
{
GstElement *uridecodebin = GST_ELEMENT(uridecodebin_ptr);
OwrURISource *source;
OwrURISourcePrivate *priv;
GEnumClass *enum_class;
GEnumValue *enum_value;
gchar *name;
GstElement *uri_pipeline;
GstElement *identity;
GstElement *source_bin, *tee;
GstElement *fakesink, *queue;
GstPad *srcpad, *sinkpad, *ghostpad;
gchar *pad_name, *bin_name;
enum_class = G_ENUM_CLASS(g_type_class_ref(OWR_TYPE_MEDIA_TYPE));
enum_value = g_enum_get_value(enum_class, media_type);
name = g_strdup_printf("%s stream, id: %u", enum_value ? enum_value->value_nick : "unknown", stream_id);
g_type_class_unref(enum_class);
source = g_object_new(OWR_TYPE_URI_SOURCE,
"name", name,
"media-type", media_type,
NULL);
priv = source->priv;
priv->stream_id = stream_id;
g_free(name);
_owr_media_source_set_codec(OWR_MEDIA_SOURCE(source), codec_type);
/* create source tee and everything */
if (media_type == OWR_MEDIA_TYPE_VIDEO)
bin_name = g_strdup_printf("video-src-%u-%u", codec_type, stream_id);
else if (media_type == OWR_MEDIA_TYPE_AUDIO)
bin_name = g_strdup_printf("audio-src-%u-%u", codec_type, stream_id);
else
g_assert_not_reached();
pad_name = g_strdup_printf("src_%u", stream_id);
source_bin = gst_bin_new(bin_name);
_owr_media_source_set_source_bin(OWR_MEDIA_SOURCE(source), source_bin);
identity = gst_element_factory_make("identity", "identity");
g_object_set(identity, "sync", TRUE, NULL);
tee = gst_element_factory_make("tee", "tee");
_owr_media_source_set_source_tee(OWR_MEDIA_SOURCE(source), tee);
fakesink = gst_element_factory_make("fakesink", "fakesink");
g_object_set(fakesink, "async", FALSE, NULL);
g_object_set(fakesink, "enable-last-sample", FALSE, NULL);
queue = gst_element_factory_make("queue", "queue");
g_free(bin_name);
uri_pipeline = GST_ELEMENT(gst_element_get_parent(uridecodebin));
gst_bin_add_many(GST_BIN(source_bin), identity, tee, queue, fakesink, NULL);
LINK_ELEMENTS(identity, tee);
LINK_ELEMENTS(tee, queue);
LINK_ELEMENTS(queue, fakesink);
sinkpad = gst_element_get_static_pad(identity, "sink");
ghostpad = gst_ghost_pad_new("sink", sinkpad);
gst_object_unref(sinkpad);
gst_element_add_pad(source_bin, ghostpad);
gst_bin_add(GST_BIN(uri_pipeline), source_bin);
gst_element_sync_state_with_parent(source_bin);
gst_object_unref(uri_pipeline);
/* Link the uridecodebin to our tee */
srcpad = gst_element_get_static_pad(uridecodebin, pad_name);
g_free(pad_name);
if (gst_pad_link(srcpad, ghostpad) != GST_PAD_LINK_OK)
GST_ERROR("Failed to link source bin to the outside");
return OWR_MEDIA_SOURCE(source);
}