static void
gst_frei0r_mixer_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstFrei0rMixer *self = GST_FREI0R_MIXER (object);
GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (object);
GST_OBJECT_LOCK (self);
if (!gst_frei0r_set_property (self->f0r_instance, klass->ftable,
klass->properties, klass->n_properties, self->property_cache, prop_id,
value))
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
GST_OBJECT_UNLOCK (self);
}
static void
gst_frei0r_mixer_finalize (GObject * object)
{
GstFrei0rMixer *self = GST_FREI0R_MIXER (object);
GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (object);
if (self->property_cache)
gst_frei0r_property_cache_free (klass->properties, self->property_cache,
klass->n_properties);
self->property_cache = NULL;
if (self->collect)
gst_object_unref (self->collect);
self->collect = NULL;
G_OBJECT_CLASS (g_type_class_peek_parent (klass))->finalize (object);
}
static GstStateChangeReturn
gst_frei0r_mixer_change_state (GstElement * element, GstStateChange transition)
{
GstFrei0rMixer *self = GST_FREI0R_MIXER (element);
GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (self);
GstStateChangeReturn ret;
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_collect_pads_start (self->collect);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
/* Stop before calling the parent's state change function as
* GstCollectPads might take locks and we would deadlock in that
* case
*/
if (transition == GST_STATE_CHANGE_PAUSED_TO_READY)
gst_collect_pads_stop (self->collect);
ret =
GST_ELEMENT_CLASS (g_type_class_peek_parent (klass))->change_state
(element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_frei0r_mixer_reset (self);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
static void
gst_frei0r_mixer_reset (GstFrei0rMixer * self)
{
GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (self);
GstEvent **p_ev;
if (self->f0r_instance) {
klass->ftable->destruct (self->f0r_instance);
self->f0r_instance = NULL;
}
if (self->property_cache)
gst_frei0r_property_cache_free (klass->properties, self->property_cache,
klass->n_properties);
self->property_cache = NULL;
gst_caps_replace (&self->caps, NULL);
p_ev = &self->segment_event;
gst_event_replace (p_ev, NULL);
gst_video_info_init (&self->info);
}
static void
gst_frei0r_mixer_reset (GstFrei0rMixer * self)
{
GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (self);
GstEvent **p_ev;
if (self->f0r_instance) {
klass->ftable->destruct (self->f0r_instance);
self->f0r_instance = NULL;
}
if (self->property_cache)
gst_frei0r_property_cache_free (klass->properties, self->property_cache,
klass->n_properties);
self->property_cache = NULL;
gst_caps_replace (&self->caps, NULL);
p_ev = &self->newseg_event;
gst_event_replace (p_ev, NULL);
self->fmt = GST_VIDEO_FORMAT_UNKNOWN;
self->width = self->height = 0;
}
static GstFlowReturn
gst_frei0r_mixer_collected (GstCollectPads * pads, GstFrei0rMixer * self)
{
GstBuffer *inbuf0 = NULL, *inbuf1 = NULL, *inbuf2 = NULL;
GstBuffer *outbuf = NULL;
GstFlowReturn ret = GST_FLOW_OK;
GSList *l;
GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (self);
GstClockTime timestamp;
gdouble time;
GstSegment *segment = NULL;
GstAllocationParams alloc_params = { 0, 31, 0, 0 };
GstMapInfo outmap, inmap0, inmap1, inmap2;
if (G_UNLIKELY (self->info.width <= 0 || self->info.height <= 0))
return GST_FLOW_NOT_NEGOTIATED;
if (G_UNLIKELY (!self->f0r_instance)) {
self->f0r_instance = gst_frei0r_instance_construct (klass->ftable,
klass->properties, klass->n_properties, self->property_cache,
self->info.width, self->info.height);
if (G_UNLIKELY (!self->f0r_instance))
return GST_FLOW_ERROR;
}
if (self->segment_event) {
gst_pad_push_event (self->src, self->segment_event);
self->segment_event = NULL;
}
/* FIXME Request an allocator and/or pool */
outbuf = gst_buffer_new_allocate (NULL, self->info.size, &alloc_params);
for (l = pads->data; l; l = l->next) {
GstCollectData *cdata = l->data;
if (cdata->pad == self->sink0) {
inbuf0 = gst_collect_pads_pop (pads, cdata);
segment = &cdata->segment;
} else if (cdata->pad == self->sink1) {
inbuf1 = gst_collect_pads_pop (pads, cdata);
} else if (cdata->pad == self->sink2) {
inbuf2 = gst_collect_pads_pop (pads, cdata);
}
}
if (!inbuf0 || !inbuf1 || (!inbuf2 && self->sink2))
goto eos;
gst_buffer_map (outbuf, &outmap, GST_MAP_READWRITE);
gst_buffer_map (inbuf0, &inmap0, GST_MAP_READ);
gst_buffer_map (inbuf1, &inmap1, GST_MAP_READ);
if (inbuf2)
gst_buffer_map (inbuf2, &inmap2, GST_MAP_READ);
g_assert (segment != NULL);
timestamp = GST_BUFFER_PTS (inbuf0);
timestamp = gst_segment_to_stream_time (segment, GST_FORMAT_TIME, timestamp);
GST_DEBUG_OBJECT (self, "sync to %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
if (GST_CLOCK_TIME_IS_VALID (timestamp))
gst_object_sync_values (GST_OBJECT (self), timestamp);
gst_buffer_copy_into (outbuf, inbuf0,
GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
time = ((gdouble) GST_BUFFER_PTS (outbuf)) / GST_SECOND;
GST_OBJECT_LOCK (self);
klass->ftable->update2 (self->f0r_instance, time,
(const guint32 *) inmap0.data, (const guint32 *) inmap1.data,
(inbuf2) ? (const guint32 *) inmap2.data : NULL, (guint32 *) outmap.data);
GST_OBJECT_UNLOCK (self);
gst_buffer_unmap (outbuf, &outmap);
gst_buffer_unref (inbuf0);
gst_buffer_unmap (inbuf0, &inmap0);
gst_buffer_unref (inbuf1);
gst_buffer_unmap (inbuf1, &inmap1);
if (inbuf2) {
gst_buffer_unmap (inbuf2, &inmap2);
gst_buffer_unref (inbuf2);
}
ret = gst_pad_push (self->src, outbuf);
return ret;
eos:
{
GST_DEBUG_OBJECT (self, "no data available, must be EOS");
gst_buffer_unref (outbuf);
if (inbuf0)
gst_buffer_unref (inbuf0);
if (inbuf1)
gst_buffer_unref (inbuf1);
if (inbuf2)
gst_buffer_unref (inbuf2);
gst_pad_push_event (self->src, gst_event_new_eos ());
return GST_FLOW_EOS;
}
}
static GstFlowReturn
gst_frei0r_mixer_collected (GstCollectPads * pads, GstFrei0rMixer * self)
{
GstBuffer *inbuf0 = NULL, *inbuf1 = NULL, *inbuf2 = NULL;
GstBuffer *outbuf = NULL;
GstFlowReturn ret = GST_FLOW_OK;
GSList *l;
GstFrei0rMixerClass *klass = GST_FREI0R_MIXER_GET_CLASS (self);
GstClockTime timestamp;
gdouble time;
GstSegment *segment = NULL;
if (G_UNLIKELY (self->width <= 0 || self->height <= 0))
return GST_FLOW_NOT_NEGOTIATED;
if (G_UNLIKELY (!self->f0r_instance)) {
self->f0r_instance =
gst_frei0r_instance_construct (klass->ftable, klass->properties,
klass->n_properties, self->property_cache, self->width, self->height);
if (G_UNLIKELY (!self->f0r_instance))
return GST_FLOW_ERROR;
}
if (self->newseg_event) {
gst_pad_push_event (self->src, self->newseg_event);
self->newseg_event = NULL;
}
if ((ret =
gst_pad_alloc_buffer_and_set_caps (self->src, GST_BUFFER_OFFSET_NONE,
gst_video_format_get_size (self->fmt, self->width, self->height),
GST_PAD_CAPS (self->src), &outbuf)) != GST_FLOW_OK)
return ret;
for (l = pads->data; l; l = l->next) {
GstCollectData *cdata = l->data;
if (cdata->pad == self->sink0) {
inbuf0 = gst_collect_pads_pop (pads, cdata);
segment = &cdata->segment;
} else if (cdata->pad == self->sink1) {
inbuf1 = gst_collect_pads_pop (pads, cdata);
} else if (cdata->pad == self->sink2) {
inbuf2 = gst_collect_pads_pop (pads, cdata);
}
}
if (!inbuf0 || !inbuf1 || (!inbuf2 && self->sink2))
goto eos;
g_assert (segment != NULL);
timestamp = GST_BUFFER_TIMESTAMP (inbuf0);
timestamp = gst_segment_to_stream_time (segment, GST_FORMAT_TIME, timestamp);
GST_DEBUG_OBJECT (self, "sync to %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
if (GST_CLOCK_TIME_IS_VALID (timestamp))
gst_object_sync_values (G_OBJECT (self), timestamp);
gst_buffer_copy_metadata (outbuf, inbuf0,
GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS);
time = ((gdouble) GST_BUFFER_TIMESTAMP (outbuf)) / GST_SECOND;
GST_OBJECT_LOCK (self);
klass->ftable->update2 (self->f0r_instance, time,
(const guint32 *) GST_BUFFER_DATA (inbuf0),
(const guint32 *) GST_BUFFER_DATA (inbuf1),
(inbuf2) ? (const guint32 *) GST_BUFFER_DATA (inbuf2) : NULL,
(guint32 *) GST_BUFFER_DATA (outbuf));
GST_OBJECT_UNLOCK (self);
gst_buffer_unref (inbuf0);
gst_buffer_unref (inbuf1);
if (inbuf2)
gst_buffer_unref (inbuf2);
ret = gst_pad_push (self->src, outbuf);
return ret;
eos:
{
GST_DEBUG_OBJECT (self, "no data available, must be EOS");
gst_buffer_unref (outbuf);
if (inbuf0)
gst_buffer_unref (inbuf0);
if (inbuf1)
gst_buffer_unref (inbuf1);
if (inbuf2)
gst_buffer_unref (inbuf2);
gst_pad_push_event (self->src, gst_event_new_eos ());
return GST_FLOW_UNEXPECTED;
}
}