GstCaps * _owr_payload_create_raw_caps(OwrPayload *payload)
{
OwrPayloadPrivate *priv;
OwrMediaType media_type;
GstCaps *caps = NULL;
guint channels = 0;
guint width = 0, height = 0;
gdouble framerate = 0.0;
gint fps_n = 0, fps_d = 1;
g_return_val_if_fail(payload, NULL);
priv = payload->priv;
g_object_get(payload, "media-type", &media_type, NULL);
switch (media_type) {
case OWR_MEDIA_TYPE_AUDIO:
if (OWR_IS_AUDIO_PAYLOAD(payload))
g_object_get(OWR_AUDIO_PAYLOAD(payload), "channels", &channels, NULL);
caps = gst_caps_new_simple("audio/x-raw",
"rate", G_TYPE_INT, priv->clock_rate,
NULL);
if (channels > 0) {
gst_caps_set_simple(caps,
"channels", G_TYPE_INT, channels,
NULL);
}
break;
case OWR_MEDIA_TYPE_VIDEO:
if (OWR_IS_VIDEO_PAYLOAD(payload)) {
g_object_get(OWR_VIDEO_PAYLOAD(payload),
"width", &width,
"height", &height,
"framerate", &framerate,
NULL);
}
caps = gst_caps_new_empty_simple(_owr_codec_type_to_caps_mime(media_type, priv->codec_type));
#ifdef __APPLE__
if (priv->codec_type == OWR_CODEC_TYPE_H264)
gst_caps_set_features(caps, 0, gst_caps_features_new_any());
#endif
gst_caps_set_simple(caps, "width", G_TYPE_INT, width > 0 ? width : LIMITED_WIDTH, NULL);
gst_caps_set_simple(caps, "height", G_TYPE_INT, height > 0 ? height : LIMITED_HEIGHT, NULL);
framerate = framerate > 0.0 ? framerate : LIMITED_FRAMERATE;
gst_util_double_to_fraction(framerate, &fps_n, &fps_d);
gst_caps_set_simple(caps, "framerate", GST_TYPE_FRACTION, fps_n, fps_d, NULL);
break;
default:
g_return_val_if_reached(NULL);
}
return caps;
}
void
_priv_gst_caps_features_initialize (void)
{
GST_DEBUG_CATEGORY_INIT (gst_caps_features_debug, "caps-features", 0,
"GstCapsFeatures debug");
_gst_caps_features_type = gst_caps_features_get_type ();
_gst_caps_feature_memory_system_memory =
g_quark_from_static_string (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
g_value_register_transform_func (_gst_caps_features_type, G_TYPE_STRING,
gst_caps_features_transform_to_string);
_gst_caps_features_any = gst_caps_features_new_any ();
_gst_caps_features_memory_system_memory =
gst_caps_features_new_id (_gst_caps_feature_memory_system_memory, 0);
}
