void
gst_decklink_sink_finalize (GObject * object)
{
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (object);
g_cond_clear (&decklinksink->cond);
g_mutex_clear (&decklinksink->mutex);
g_cond_clear (&decklinksink->audio_cond);
g_mutex_clear (&decklinksink->audio_mutex);
delete decklinksink->callback;
#ifdef _MSC_VER
/* signal the COM thread that it should uninitialize COM */
if (decklinksink->comInitialized) {
g_mutex_lock (&decklinksink->com_deinit_lock);
g_cond_signal (&decklinksink->com_uninitialize);
g_cond_wait (&decklinksink->com_uninitialized,
&decklinksink->com_deinit_lock);
g_mutex_unlock (&decklinksink->com_deinit_lock);
}
g_mutex_clear (&decklinksink->com_init_lock);
g_mutex_clear (&decklinksink->com_deinit_lock);
g_cond_clear (&decklinksink->com_initialized);
g_cond_clear (&decklinksink->com_uninitialize);
g_cond_clear (&decklinksink->com_uninitialized);
#endif /* _MSC_VER */
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_decklink_sink_videosink_query (GstPad * pad, GstObject * parent,
GstQuery * query)
{
gboolean res;
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (parent);
GST_DEBUG_OBJECT (decklinksink, "query");
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:{
GstCaps *mode_caps, *filter, *caps;
/* FIXME: do we change mode if incoming caps change? If yes, we
* should probably return the template caps instead */
mode_caps = gst_decklink_mode_get_caps (decklinksink->mode);
gst_query_parse_caps (query, &filter);
caps = gst_caps_intersect (mode_caps, filter);
gst_caps_unref (mode_caps);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
break;
}
default:
res = gst_pad_query_default (pad, parent, query);
break;
}
return res;
}
static gboolean
gst_decklink_sink_audiosink_event (GstPad * pad, GstObject * parent,
GstEvent * event)
{
gboolean res;
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (parent);
GST_DEBUG_OBJECT (pad, "event: %" GST_PTR_FORMAT, event);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
/* FIXME: EOS aggregation with video pad looks wrong */
decklinksink->audio_eos = TRUE;
decklinksink->audio_seqnum = gst_event_get_seqnum (event);
res = gst_pad_event_default (pad, parent, event);
break;
default:
res = gst_pad_event_default (pad, parent, event);
break;
}
return res;
}
static GstFlowReturn
gst_decklink_sink_audiosink_chainlist (GstPad * pad, GstBufferList * bufferlist)
{
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "chainlist");
gst_object_unref (decklinksink);
return GST_FLOW_OK;
}
static gboolean
gst_decklink_sink_audiosink_acceptcaps (GstPad * pad, GstCaps * caps)
{
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "acceptcaps");
gst_object_unref (decklinksink);
return TRUE;
}
static GstPadLinkReturn
gst_decklink_sink_audiosink_link (GstPad * pad, GstPad * peer)
{
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "link");
gst_object_unref (decklinksink);
return GST_PAD_LINK_OK;
}
static gboolean
gst_decklink_sink_audiosink_activatepull (GstPad * pad, gboolean active)
{
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "activatepull");
gst_object_unref (decklinksink);
return TRUE;
}
static gboolean
gst_decklink_sink_videosink_event (GstPad * pad, GstObject * parent,
GstEvent * event)
{
gboolean res;
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (parent);
GST_DEBUG_OBJECT (pad, "event: %" GST_PTR_FORMAT, event);
switch (GST_EVENT_TYPE (event)) {
/* FIXME: this makes no sense, template caps don't contain v210 */
#if 0
case GST_EVENT_CAPS:{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
ret = gst_video_format_parse_caps (caps, &format, &width, &height);
if (ret) {
if (format == GST_VIDEO_FORMAT_v210) {
decklinksink->pixel_format = bmdFormat10BitYUV;
} else {
decklinksink->pixel_format = bmdFormat8BitYUV;
}
}
break;
}
#endif
case GST_EVENT_EOS:
/* FIXME: EOS aggregation with audio pad looks wrong */
decklinksink->video_eos = TRUE;
decklinksink->video_seqnum = gst_event_get_seqnum (event);
{
GstMessage *message;
message = gst_message_new_eos (GST_OBJECT_CAST (decklinksink));
gst_message_set_seqnum (message, decklinksink->video_seqnum);
gst_element_post_message (GST_ELEMENT_CAST (decklinksink), message);
}
res = gst_pad_event_default (pad, parent, event);
break;
default:
res = gst_pad_event_default (pad, parent, event);
break;
}
return res;
}
static GstCaps *
gst_decklink_sink_audiosink_getcaps (GstPad * pad)
{
GstDecklinkSink *decklinksink;
GstCaps *caps;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "getcaps");
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
gst_object_unref (decklinksink);
return caps;
}
static GstIterator *
gst_decklink_sink_videosink_iterintlink (GstPad * pad)
{
GstDecklinkSink *decklinksink;
GstIterator *iter;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "iterintlink");
iter = gst_pad_iterate_internal_links_default (pad);
gst_object_unref (decklinksink);
return iter;
}
static GstCaps *
gst_decklink_sink_videosink_getcaps (GstPad * pad)
{
GstDecklinkSink *decklinksink;
GstCaps *caps;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "getcaps");
caps = gst_decklink_mode_get_caps (decklinksink->mode);
gst_object_unref (decklinksink);
return caps;
}
static GstFlowReturn
gst_decklink_sink_videosink_bufferalloc (GstPad * pad, guint64 offset,
guint size, GstCaps * caps, GstBuffer ** buf)
{
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "bufferalloc");
*buf = gst_buffer_new_and_alloc (size);
gst_buffer_set_caps (*buf, caps);
gst_object_unref (decklinksink);
return GST_FLOW_OK;
}
void
gst_decklink_sink_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GstDecklinkSink *decklinksink;
g_return_if_fail (GST_IS_DECKLINK_SINK (object));
decklinksink = GST_DECKLINK_SINK (object);
switch (property_id) {
case PROP_MODE:
g_value_set_enum (value, decklinksink->mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gboolean
gst_decklink_sink_audiosink_event (GstPad * pad, GstEvent * event)
{
gboolean res;
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "event");
switch (GST_EVENT_TYPE (event)) {
default:
res = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (decklinksink);
return res;
}
static gboolean
gst_decklink_sink_videosink_query (GstPad * pad, GstQuery * query)
{
gboolean res;
GstDecklinkSink *decklinksink;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "query");
switch (GST_QUERY_TYPE (query)) {
default:
res = gst_pad_query_default (pad, query);
break;
}
gst_object_unref (decklinksink);
return res;
}
static GstStateChangeReturn
gst_decklink_sink_change_state (GstElement * element, GstStateChange transition)
{
GstDecklinkSink *decklinksink;
GstStateChangeReturn ret;
g_return_val_if_fail (GST_IS_DECKLINK_SINK (element),
GST_STATE_CHANGE_FAILURE);
decklinksink = GST_DECKLINK_SINK (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!gst_decklink_sink_start (decklinksink)) {
ret = GST_STATE_CHANGE_FAILURE;
goto out;
}
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
gst_decklink_sink_force_stop (decklinksink);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_decklink_sink_stop (decklinksink);
break;
default:
break;
}
out:
return ret;
}
static gboolean
gst_decklink_sink_audiosink_activate (GstPad * pad)
{
GstDecklinkSink *decklinksink;
gboolean ret;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "activate");
if (gst_pad_check_pull_range (pad)) {
GST_DEBUG_OBJECT (pad, "activating pull");
ret = gst_pad_activate_pull (pad, TRUE);
} else {
GST_DEBUG_OBJECT (pad, "activating push");
ret = gst_pad_activate_push (pad, TRUE);
}
gst_object_unref (decklinksink);
return ret;
}
void
gst_decklink_sink_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GstDecklinkSink *decklinksink;
g_return_if_fail (GST_IS_DECKLINK_SINK (object));
decklinksink = GST_DECKLINK_SINK (object);
switch (property_id) {
case PROP_MODE:
decklinksink->mode = (GstDecklinkModeEnum) g_value_get_enum (value);
break;
case PROP_DEVICE_NUMBER:
decklinksink->device_number = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static GstFlowReturn
gst_decklink_sink_audiosink_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer)
{
GstDecklinkSink *decklinksink;
GstFlowReturn ret;
decklinksink = GST_DECKLINK_SINK (parent);
if (decklinksink->stop)
return GST_FLOW_FLUSHING;
g_mutex_lock (&decklinksink->audio_mutex);
while (!decklinksink->stop &&
gst_adapter_available (decklinksink->audio_adapter) > 1600 * 4 * 2) {
g_cond_wait (&decklinksink->audio_cond, &decklinksink->audio_mutex);
}
gst_adapter_push (decklinksink->audio_adapter, buffer);
g_mutex_unlock (&decklinksink->audio_mutex);
ret = GST_FLOW_OK;
return ret;
}
static GstFlowReturn
gst_decklink_sink_audiosink_chain (GstPad * pad, GstBuffer * buffer)
{
GstDecklinkSink *decklinksink;
GstFlowReturn ret;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "chain");
// concatenate both buffers
g_mutex_lock (decklinksink->audio_mutex);
decklinksink->audio_buffer =
gst_buffer_join (decklinksink->audio_buffer, buffer);
g_mutex_unlock (decklinksink->audio_mutex);
// GST_DEBUG("Audio Buffer Size: %d", GST_BUFFER_SIZE (decklinksink->audio_buffer));
gst_object_unref (decklinksink);
ret = GST_FLOW_OK;
return ret;
}
static GstFlowReturn
gst_decklink_sink_videosink_chain (GstPad * pad, GstBuffer * buffer)
{
GstDecklinkSink *decklinksink;
IDeckLinkMutableVideoFrame *frame;
void *data;
GstFlowReturn ret;
const GstDecklinkMode *mode;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "chain");
#if 0
if (!decklinksink->video_enabled) {
HRESULT ret;
ret = decklinksink->output->EnableVideoOutput (decklinksink->display_mode,
bmdVideoOutputFlagDefault);
if (ret != S_OK) {
GST_ERROR ("failed to enable video output");
//return FALSE;
}
decklinksink->video_enabled = TRUE;
}
#endif
mode = gst_decklink_get_mode (decklinksink->mode);
decklinksink->output->CreateVideoFrame (mode->width,
mode->height, mode->width * 2, bmdFormat8BitYUV,
bmdFrameFlagDefault, &frame);
frame->GetBytes (&data);
memcpy (data, GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
gst_buffer_unref (buffer);
g_mutex_lock (decklinksink->mutex);
while (decklinksink->queued_frames > 2 && !decklinksink->stop) {
g_cond_wait (decklinksink->cond, decklinksink->mutex);
}
if (!decklinksink->stop) {
decklinksink->queued_frames++;
}
g_mutex_unlock (decklinksink->mutex);
if (!decklinksink->stop) {
decklinksink->output->ScheduleVideoFrame (frame,
decklinksink->num_frames * mode->fps_d, mode->fps_d, mode->fps_n);
decklinksink->num_frames++;
if (!decklinksink->sched_started) {
decklinksink->output->StartScheduledPlayback (0, mode->fps_d, 1.0);
decklinksink->sched_started = TRUE;
}
ret = GST_FLOW_OK;
} else {
ret = GST_FLOW_WRONG_STATE;
}
frame->Release ();
gst_object_unref (decklinksink);
return ret;
}
static GstFlowReturn
gst_decklink_sink_videosink_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer)
{
GstDecklinkSink *decklinksink;
IDeckLinkMutableVideoFrame *frame;
void *data;
GstFlowReturn ret;
const GstDecklinkMode *mode;
decklinksink = GST_DECKLINK_SINK (parent);
#if 0
if (!decklinksink->video_enabled) {
HRESULT ret;
ret = decklinksink->output->EnableVideoOutput (decklinksink->display_mode,
bmdVideoOutputFlagDefault);
if (ret != S_OK) {
GST_WARNING ("failed to enable video output");
//return FALSE;
}
decklinksink->video_enabled = TRUE;
}
#endif
mode = gst_decklink_get_mode (decklinksink->mode);
decklinksink->output->CreateVideoFrame (mode->width,
mode->height, mode->width * 2, decklinksink->pixel_format,
bmdFrameFlagDefault, &frame);
frame->GetBytes (&data);
gst_buffer_extract (buffer, 0, data, gst_buffer_get_size (buffer));
gst_buffer_unref (buffer);
g_mutex_lock (&decklinksink->mutex);
while (decklinksink->queued_frames > 2 && !decklinksink->stop) {
g_cond_wait (&decklinksink->cond, &decklinksink->mutex);
}
if (!decklinksink->stop) {
decklinksink->queued_frames++;
}
g_mutex_unlock (&decklinksink->mutex);
if (!decklinksink->stop) {
decklinksink->output->ScheduleVideoFrame (frame,
decklinksink->num_frames * mode->fps_d, mode->fps_d, mode->fps_n);
decklinksink->num_frames++;
if (!decklinksink->sched_started) {
decklinksink->output->StartScheduledPlayback (0, mode->fps_d, 1.0);
decklinksink->sched_started = TRUE;
}
ret = GST_FLOW_OK;
} else {
ret = GST_FLOW_FLUSHING;
}
frame->Release ();
return ret;
}
