void Pipeline::setVideoEffect(const QString &value)
{
Effect *newEffect = EffectManager::instance()->getEffect(value);
// close valves
g_object_set(effectValve, "drop", TRUE, NULL);
// unlink current effect, remove and destroy it
gst_element_unlink_many(effectCapsFilter, effect, effectPostCS, NULL);
g_object_ref(effect);
gst_bin_remove(GST_BIN(effectInternalBin), effect);
gst_element_set_state(effect, GST_STATE_NULL);
g_object_unref(GST_OBJECT(effect));
effect = gst_parse_bin_from_description(newEffect->desc().toUtf8(), TRUE, NULL);
// add new effect to the bin and link it
gst_bin_add(GST_BIN(effectInternalBin), effect);
gst_element_link_many(effectCapsFilter, effect, effectPostCS, NULL);
gst_element_set_state(effectInternalBin, GST_STATE_READY);
gst_element_set_state(effectInternalBin, GST_STATE_PAUSED);
//open valve
g_object_set(effectValve, "drop", FALSE, NULL);
}
void GStreamerGWorld::removePlatformVideoSink()
{
if (!m_dynamicPadName)
return;
// Get video sink bin and the elements to remove.
GstElement* sinkPtr = 0;
g_object_get(m_pipeline, "video-sink", &sinkPtr, NULL);
GRefPtr<GstElement> videoSink = adoptGRef(sinkPtr);
GRefPtr<GstElement> tee = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "videoTee"));
GRefPtr<GstElement> platformVideoSink = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "platformVideoSink"));
GRefPtr<GstElement> queue = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "queue"));
GRefPtr<GstElement> colorspace = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "colorspace"));
GRefPtr<GstElement> videoScale = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "videoScale"));
GRefPtr<GstPad> srcPad = adoptGRef(gst_element_get_static_pad(tee.get(), m_dynamicPadName.get()));
GRefPtr<GstPad> sinkPad = adoptGRef(gst_element_get_static_pad(queue.get(), "sink"));
gst_pad_unlink(srcPad.get(), sinkPad.get());
gst_element_release_request_pad(tee.get(), srcPad.get());
gst_element_unlink_many(queue.get(), colorspace.get(), videoScale.get(), platformVideoSink.get(), NULL);
gst_bin_remove_many(GST_BIN(videoSink.get()), queue.get(), colorspace.get(), videoScale.get(), platformVideoSink.get(), NULL);
gst_element_set_state(platformVideoSink.get(), GST_STATE_NULL);
gst_element_set_state(videoScale.get(), GST_STATE_NULL);
gst_element_set_state(colorspace.get(), GST_STATE_NULL);
gst_element_set_state(queue.get(), GST_STATE_NULL);
m_dynamicPadName.clear();
}
/////////////////////////////////////////////////////////////////////////////////
// Unlinks all elements
//
bool CDFKAFU050::UnlinkPipeline()
{
#ifdef USE_AFU050
gst_element_set_state (_Pipeline.pipeline, GST_STATE_PAUSED);
gst_element_set_state (_Pipeline.pipeline, GST_STATE_NULL);
g_main_loop_quit (_Pipeline.loop);
// Pipeline to the tee. Does the camera control and color image.
gst_element_unlink_many(GetElement("appsrc"),
GetElement("jpegdec"),
GetElement("cogcolorspace"),
GetElement("tee"),
NULL);
gst_element_unlink_many(GetElement("queue1"), GetElement("videoscale1"), GetElement("filter"),
GetElement("ximagesink"), NULL);
gst_element_unlink_many(GetElement("queue2"), GetElement("image_sink"), NULL);
gst_pad_unlink(tee_q1_pad, q1_pad);
gst_pad_unlink(tee_q2_pad, q2_pad);
gst_object_unref(GetElement("appsrc"));
gst_object_unref(GetElement("filter"));
gst_object_unref(GetElement("jpegdec"));
gst_object_unref(GetElement("tee"));
gst_object_unref(GetElement("ximagesink"));
gst_object_unref(GetElement("queue1"));
gst_object_unref(GetElement("queue2"));
gst_object_unref(GetElement("videoscale1"));
gst_object_unref(GetElement("image_sink"));
// clean up and delete the pipeline
gst_object_unref (GST_OBJECT (_Pipeline.pipeline));
g_source_remove (_Pipeline.bus_watch_id);
#endif
return true;
}
void GStreamerGWorld::exitFullscreen()
{
if (!m_dynamicPadName)
return;
// Get video sink bin and the elements to remove.
GOwnPtr<GstElement> videoSink;
g_object_get(m_pipeline, "video-sink", &videoSink.outPtr(), NULL);
GstElement* tee = gst_bin_get_by_name(GST_BIN(videoSink.get()), "videoTee");
GstElement* platformVideoSink = gst_bin_get_by_name(GST_BIN(videoSink.get()), "platformVideoSink");
GstElement* queue = gst_bin_get_by_name(GST_BIN(videoSink.get()), "queue");
GstElement* colorspace = gst_bin_get_by_name(GST_BIN(videoSink.get()), "colorspace");
GstElement* videoScale = gst_bin_get_by_name(GST_BIN(videoSink.get()), "videoScale");
// Get pads to unlink and remove.
GstPad* srcPad = gst_element_get_static_pad(tee, m_dynamicPadName);
GstPad* sinkPad = gst_element_get_static_pad(queue, "sink");
// Block data flow towards the pipeline branch to remove. No need
// for pad blocking if the pipeline is paused.
GstState state;
gst_element_get_state(m_pipeline, &state, 0, 0);
if (state < GST_STATE_PLAYING || gst_pad_set_blocked(srcPad, true)) {
// Unlink and release request pad.
gst_pad_unlink(srcPad, sinkPad);
gst_element_release_request_pad(tee, srcPad);
// Unlink, remove and cleanup queue, ffmpegcolorspace, videoScale and sink.
gst_element_unlink_many(queue, colorspace, videoScale, platformVideoSink, NULL);
gst_bin_remove_many(GST_BIN(videoSink.get()), queue, colorspace, videoScale, platformVideoSink, NULL);
gst_element_set_state(platformVideoSink, GST_STATE_NULL);
gst_element_set_state(videoScale, GST_STATE_NULL);
gst_element_set_state(colorspace, GST_STATE_NULL);
gst_element_set_state(queue, GST_STATE_NULL);
}
gst_object_unref(GST_OBJECT(srcPad));
gst_object_unref(GST_OBJECT(sinkPad));
gst_object_unref(queue);
gst_object_unref(colorspace);
gst_object_unref(videoScale);
gst_object_unref(platformVideoSink);
gst_object_unref(tee);
m_dynamicPadName = 0;
}
void GStreamerGWorld::exitFullscreen()
{
if (!m_dynamicPadName)
return;
// Get video sink bin and the elements to remove.
GRefPtr<GstElement> videoSink;
GstElement* sinkPtr = 0;
g_object_get(m_pipeline, "video-sink", &sinkPtr, NULL);
videoSink = adoptGRef(sinkPtr);
GRefPtr<GstElement> tee = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "videoTee"));
GRefPtr<GstElement> platformVideoSink = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "platformVideoSink"));
GRefPtr<GstElement> queue = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "queue"));
GRefPtr<GstElement> colorspace = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "colorspace"));
GRefPtr<GstElement> videoScale = adoptGRef(gst_bin_get_by_name(GST_BIN(videoSink.get()), "videoScale"));
// Get pads to unlink and remove.
GRefPtr<GstPad> srcPad = adoptGRef(gst_element_get_static_pad(tee.get(), m_dynamicPadName.get()));
GRefPtr<GstPad> sinkPad = adoptGRef(gst_element_get_static_pad(queue.get(), "sink"));
// Block data flow towards the pipeline branch to remove. No need
// for pad blocking if the pipeline is paused.
GstState state;
gst_element_get_state(m_pipeline, &state, 0, 0);
if (state < GST_STATE_PLAYING || gst_pad_set_blocked(srcPad.get(), true)) {
// Unlink and release request pad.
gst_pad_unlink(srcPad.get(), sinkPad.get());
gst_element_release_request_pad(tee.get(), srcPad.get());
// Unlink, remove and cleanup queue, ffmpegcolorspace, videoScale and sink.
gst_element_unlink_many(queue.get(), colorspace.get(), videoScale.get(), platformVideoSink.get(), NULL);
gst_bin_remove_many(GST_BIN(videoSink.get()), queue.get(), colorspace.get(), videoScale.get(), platformVideoSink.get(), NULL);
gst_element_set_state(platformVideoSink.get(), GST_STATE_NULL);
gst_element_set_state(videoScale.get(), GST_STATE_NULL);
gst_element_set_state(colorspace.get(), GST_STATE_NULL);
gst_element_set_state(queue.get(), GST_STATE_NULL);
}
m_dynamicPadName.clear();
}
static void
remove_agnostic_bin (GstElement * agnosticbin)
{
KmsAudioMixer *self;
GstElement *audiorate = NULL, *typefind = NULL;
GstPad *sinkpad, *peerpad;
self = (KmsAudioMixer *) gst_element_get_parent (agnosticbin);
if (self == NULL) {
GST_WARNING_OBJECT (agnosticbin, "No parent element");
return;
}
sinkpad = gst_element_get_static_pad (agnosticbin, "sink");
peerpad = gst_pad_get_peer (sinkpad);
if (peerpad == NULL) {
GST_WARNING_OBJECT (sinkpad, "Not linked");
gst_object_unref (sinkpad);
goto end;
}
audiorate = gst_pad_get_parent_element (peerpad);
gst_object_unref (sinkpad);
gst_object_unref (peerpad);
if (audiorate == NULL) {
GST_WARNING_OBJECT (self, "No audiorate");
goto end;
}
sinkpad = gst_element_get_static_pad (audiorate, "sink");
peerpad = gst_pad_get_peer (sinkpad);
if (peerpad == NULL) {
GST_WARNING_OBJECT (sinkpad, "Not linked");
gst_object_unref (sinkpad);
goto end;
}
typefind = gst_pad_get_parent_element (peerpad);
gst_object_unref (sinkpad);
gst_object_unref (peerpad);
if (typefind == NULL) {
GST_WARNING_OBJECT (self, "No typefind");
goto end;
}
gst_element_unlink_many (typefind, audiorate, agnosticbin, NULL);
gst_element_set_locked_state (typefind, TRUE);
gst_element_set_locked_state (audiorate, TRUE);
gst_element_set_locked_state (agnosticbin, TRUE);
gst_element_set_state (typefind, GST_STATE_NULL);
gst_element_set_state (audiorate, GST_STATE_NULL);
gst_element_set_state (agnosticbin, GST_STATE_NULL);
gst_object_ref (agnosticbin);
gst_bin_remove_many (GST_BIN (self), typefind, audiorate, agnosticbin, NULL);
gst_object_unref (agnosticbin);
end:
if (audiorate != NULL) {
gst_object_unref (audiorate);
}
if (typefind != NULL) {
gst_object_unref (typefind);
}
gst_object_unref (self);
}
