#include "gstglmixer.h"
+#define gst_gl_mixer_parent_class parent_class
+G_DEFINE_ABSTRACT_TYPE (GstGLMixer, gst_gl_mixer, GST_TYPE_VIDEO_AGGREGATOR);
+static gboolean gst_gl_mixer_do_bufferpool (GstGLMixer * mix,
+ GstCaps * outcaps);
+
+
#define GST_CAT_DEFAULT gst_gl_mixer_debug
GST_DEBUG_CATEGORY (gst_gl_mixer_debug);
static void gst_gl_mixer_pad_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
-static gboolean gst_gl_mixer_src_event (GstPad * pad, GstObject * object,
- GstEvent * event);
-static gboolean gst_gl_mixer_sink_event (GstCollectPads * pads,
- GstCollectData * cdata, GstEvent * event, GstGLMixer * mix);
-static gboolean gst_gl_mixer_src_setcaps (GstPad * pad, GstGLMixer * mix,
- GstCaps * caps);
static void gst_gl_mixer_set_context (GstElement * element,
GstContext * context);
GstQuery *query;
};
-G_DEFINE_TYPE (GstGLMixerPad, gst_gl_mixer_pad, GST_TYPE_PAD);
+G_DEFINE_TYPE (GstGLMixerPad, gst_gl_mixer_pad, GST_TYPE_VIDEO_AGGREGATOR_PAD);
static void
gst_gl_mixer_pad_class_init (GstGLMixerPadClass * klass)
}
static gboolean
-gst_gl_mixer_update_src_caps (GstGLMixer * mix)
-{
- GSList *l;
- gint best_width = -1, best_height = -1;
- gdouble best_fps = -1, cur_fps;
- gint best_fps_n = -1, best_fps_d = -1;
- gboolean ret = TRUE;
-
- GST_GL_MIXER_LOCK (mix);
-
- for (l = mix->sinkpads; l; l = l->next) {
- GstGLMixerPad *mpad = l->data;
- gint this_width, this_height;
- gint fps_n, fps_d;
- gint width, height;
-
- fps_n = GST_VIDEO_INFO_FPS_N (&mpad->in_info);
- fps_d = GST_VIDEO_INFO_FPS_D (&mpad->in_info);
- width = GST_VIDEO_INFO_WIDTH (&mpad->in_info);
- height = GST_VIDEO_INFO_HEIGHT (&mpad->in_info);
-
- if (width == 0 || height == 0)
- continue;
-
- this_width = width;
- this_height = height;
-
- if (best_width < this_width)
- best_width = this_width;
- if (best_height < this_height)
- best_height = this_height;
-
- if (fps_d == 0)
- cur_fps = 0.0;
- else
- gst_util_fraction_to_double (fps_n, fps_d, &cur_fps);
-
- if (best_fps < cur_fps) {
- best_fps = cur_fps;
- best_fps_n = fps_n;
- best_fps_d = fps_d;
- }
- }
-
- if (best_fps_n == 0 || (best_fps_n < 0 && best_fps_d <= 0)) {
- best_fps_n = 25;
- best_fps_d = 1;
- best_fps = 25.0;
- }
-
- if (best_width > 0 && best_height > 0 && best_fps > 0.0) {
- GstCaps *caps, *peercaps;
- GstStructure *s;
- GstVideoInfo info;
-
- if (GST_VIDEO_INFO_FPS_N (&mix->out_info) != best_fps_n ||
- GST_VIDEO_INFO_FPS_D (&mix->out_info) != best_fps_d) {
- if (mix->segment.position != -1) {
- mix->ts_offset = mix->segment.position - mix->segment.start;
- mix->nframes = 0;
- }
- }
-
- caps = gst_caps_new_empty_simple ("video/x-raw");
-
- peercaps = gst_pad_peer_query_caps (mix->srcpad, NULL);
- if (peercaps) {
- GstCaps *tmp;
- tmp = gst_caps_intersect (caps, peercaps);
- gst_caps_unref (caps);
- gst_caps_unref (peercaps);
- caps = tmp;
- }
-
- if (!gst_caps_is_fixed (caps)) {
- caps = gst_caps_make_writable (caps);
-
- caps = gst_caps_truncate (caps);
-
- s = gst_caps_get_structure (caps, 0);
- gst_structure_fixate_field_nearest_int (s, "width", best_width);
- gst_structure_fixate_field_nearest_int (s, "height", best_height);
- gst_structure_fixate_field_nearest_fraction (s, "framerate", best_fps_n,
- best_fps_d);
- gst_structure_fixate_field_string (s, "format", "RGBA");
-
- gst_structure_get_int (s, "width", &info.width);
- gst_structure_get_int (s, "height", &info.height);
- gst_structure_get_fraction (s, "fraction", &info.fps_n, &info.fps_d);
- GST_DEBUG_OBJECT (mix, "fixated caps to %" GST_PTR_FORMAT, caps);
- }
-
- GST_GL_MIXER_UNLOCK (mix);
- ret = gst_gl_mixer_src_setcaps (mix->srcpad, mix, caps);
- } else {
- GST_ERROR_OBJECT (mix, "Invalid caps");
- GST_GL_MIXER_UNLOCK (mix);
- }
-
- return ret;
-}
-
-static gboolean
-gst_gl_mixer_pad_sink_setcaps (GstPad * pad, GstObject * parent, GstCaps * caps)
-{
- GstGLMixer *mix;
- GstGLMixerPad *mixpad;
- GstVideoInfo info;
- gboolean ret = TRUE;
-
- GST_INFO_OBJECT (pad, "Setting caps %" GST_PTR_FORMAT, caps);
-
- mix = GST_GL_MIXER (parent);
- mixpad = GST_GL_MIXER_PAD (pad);
-
- if (!gst_video_info_from_caps (&info, caps)) {
- GST_ERROR_OBJECT (pad, "Failed to parse caps");
- goto beach;
- }
-
- GST_GL_MIXER_LOCK (mix);
-
- mix->out_info = info;
- mixpad->in_info = info;
-
- GST_GL_MIXER_UNLOCK (mix);
-
- ret = gst_gl_mixer_update_src_caps (mix);
-
-beach:
- return ret;
-}
-
-static GstCaps *
-gst_gl_mixer_pad_sink_getcaps (GstPad * pad, GstGLMixer * mix, GstCaps * filter)
-{
- GstCaps *srccaps;
- GstStructure *s;
- gint i, n;
-
- srccaps = gst_pad_get_current_caps (GST_PAD (mix->srcpad));
- if (srccaps == NULL)
- srccaps = gst_pad_get_pad_template_caps (GST_PAD (mix->srcpad));
-
- srccaps = gst_caps_make_writable (srccaps);
-
- n = gst_caps_get_size (srccaps);
- for (i = 0; i < n; i++) {
- s = gst_caps_get_structure (srccaps, i);
- gst_structure_set (s, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
- "height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
- "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
- if (!gst_structure_has_field (s, "pixel-aspect-ratio"))
- gst_structure_set (s, "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
- NULL);
- }
-
- GST_DEBUG_OBJECT (pad, "Returning %" GST_PTR_FORMAT, srccaps);
-
- return srccaps;
-}
-
-static gboolean
-gst_gl_mixer_pad_sink_acceptcaps (GstPad * pad, GstGLMixer * mix,
- GstCaps * caps)
+_negotiated_caps (GstVideoAggregator * vagg, GstCaps * caps)
{
- gboolean ret;
- GstCaps *accepted_caps;
- gint i, n;
- GstStructure *s;
-
- GST_DEBUG_OBJECT (pad, "%" GST_PTR_FORMAT, caps);
-
- accepted_caps = gst_pad_get_current_caps (GST_PAD (mix->srcpad));
- if (accepted_caps == NULL)
- accepted_caps = gst_pad_get_pad_template_caps (GST_PAD (mix->srcpad));
-
- accepted_caps = gst_caps_make_writable (accepted_caps);
- GST_LOG_OBJECT (pad, "src caps %" GST_PTR_FORMAT, accepted_caps);
-
- n = gst_caps_get_size (accepted_caps);
- for (i = 0; i < n; i++) {
- s = gst_caps_get_structure (accepted_caps, i);
- gst_structure_set (s, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
- "height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
- "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
- gst_structure_remove_field (s, "format");
- if (!gst_structure_has_field (s, "pixel-aspect-ratio"))
- gst_structure_set (s, "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
- NULL);
- }
+ GstGLMixer *mix = GST_GL_MIXER (vagg);
+ gboolean ret = gst_gl_mixer_do_bufferpool (mix, caps);
- ret = gst_caps_can_intersect (caps, accepted_caps);
- GST_INFO_OBJECT (pad, "%saccepted caps %" GST_PTR_FORMAT, (ret ? "" : "not "),
- caps);
- GST_INFO_OBJECT (pad, "acceptable caps are %" GST_PTR_FORMAT, accepted_caps);
- gst_caps_unref (accepted_caps);
+ mix->priv->negotiated = ret;
return ret;
}
}
static gboolean
-gst_gl_mixer_sink_query (GstCollectPads * pads, GstCollectData * data,
- GstQuery * query, GstGLMixer * mix)
+gst_gl_mixer_sink_query (GstAggregator * agg, GstAggregatorPad * bpad,
+ GstQuery * query)
{
- GstPad *pad = data->pad;
gboolean ret = FALSE;
+ GstGLMixer *mix = GST_GL_MIXER (agg);
GST_TRACE ("QUERY %" GST_PTR_FORMAT, query);
GST_DEBUG_OBJECT (mix, "ALLOCATION ret %d, %" GST_PTR_FORMAT, ret, query);
break;
}
- case GST_QUERY_CAPS:
- {
- GstCaps *filter, *caps;
-
- gst_query_parse_caps (query, &filter);
- caps = gst_gl_mixer_pad_sink_getcaps (pad, mix, filter);
- gst_query_set_caps_result (query, caps);
- gst_caps_unref (caps);
- ret = TRUE;
- break;
- }
- case GST_QUERY_ACCEPT_CAPS:
- {
- GstCaps *caps;
-
- gst_query_parse_accept_caps (query, &caps);
- ret = gst_gl_mixer_pad_sink_acceptcaps (pad, mix, caps);
- gst_query_set_accept_caps_result (query, ret);
- ret = TRUE;
- break;
- }
case GST_QUERY_CONTEXT:
{
ret = gst_gl_handle_context_query ((GstElement *) mix, query,
break;
}
default:
- ret = gst_collect_pads_query_default (pads, data, query, FALSE);
+ ret = GST_AGGREGATOR_CLASS (parent_class)->sink_query (agg, bpad, query);
break;
}
"; " GST_VIDEO_CAPS_MAKE (GST_GL_COLOR_CONVERT_FORMATS))
);
-static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink_%d",
+static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink_%u",
GST_PAD_SINK,
GST_PAD_REQUEST,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
"; " GST_VIDEO_CAPS_MAKE (GST_GL_COLOR_CONVERT_FORMATS))
);
-static gboolean gst_gl_mixer_src_query (GstPad * pad, GstObject * object,
- GstQuery * query);
-static gboolean gst_gl_mixer_src_activate_mode (GstPad * pad,
- GstObject * parent, GstPadMode mode, gboolean active);
-static GstFlowReturn gst_gl_mixer_sink_clip (GstCollectPads * pads,
- GstCollectData * data, GstBuffer * buf, GstBuffer ** outbuf,
- GstGLMixer * mix);
-
-static GstFlowReturn gst_gl_mixer_collected (GstCollectPads * pads,
- GstGLMixer * mix);
-static GstPad *gst_gl_mixer_request_new_pad (GstElement * element,
- GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
-static void gst_gl_mixer_release_pad (GstElement * element, GstPad * pad);
+static gboolean gst_gl_mixer_src_query (GstAggregator * agg, GstQuery * query);
+static GstFlowReturn
+gst_gl_mixer_get_output_buffer (GstVideoAggregator * videoaggregator,
+ GstBuffer ** outbuf);
+static gboolean
+gst_gl_mixer_src_activate_mode (GstAggregator * aggregator, GstPadMode mode,
+ gboolean active);
+static gboolean gst_gl_mixer_stop (GstAggregator * agg);
+static gboolean gst_gl_mixer_start (GstAggregator * agg);
+
+static GstFlowReturn
+gst_gl_mixer_aggregate_frames (GstVideoAggregator * vagg,
+ GstBuffer * outbuffer);
static void gst_gl_mixer_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_gl_mixer_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-static GstStateChangeReturn gst_gl_mixer_change_state (GstElement * element,
- GstStateChange transition);
-
-static gboolean gst_gl_mixer_query_caps (GstPad * pad, GstObject * parent,
- GstQuery * query);
-static gboolean gst_gl_mixer_query_duration (GstGLMixer * mix,
- GstQuery * query);
-static gboolean gst_gl_mixer_query_latency (GstGLMixer * mix, GstQuery * query);
-static gboolean gst_gl_mixer_do_bufferpool (GstGLMixer * mix,
- GstCaps * outcaps);
static gboolean gst_gl_mixer_decide_allocation (GstGLMixer * mix,
GstQuery * query);
static gboolean gst_gl_mixer_set_allocation (GstGLMixer * mix,
GstBufferPool * pool, GstAllocator * allocator,
GstAllocationParams * params, GstQuery * query);
-static gint64 gst_gl_mixer_do_qos (GstGLMixer * mix, GstClockTime timestamp);
-static void gst_gl_mixer_update_qos (GstGLMixer * mix, gdouble proportion,
- GstClockTimeDiff diff, GstClockTime timestamp);
-static void gst_gl_mixer_reset_qos (GstGLMixer * mix);
-static void gst_gl_mixer_read_qos (GstGLMixer * mix, gdouble * proportion,
- GstClockTime * time);
-
-static void gst_gl_mixer_child_proxy_init (gpointer g_iface,
- gpointer iface_data);
-
-#define gst_gl_mixer_parent_class parent_class
-G_DEFINE_TYPE_WITH_CODE (GstGLMixer, gst_gl_mixer, GST_TYPE_ELEMENT,
- G_IMPLEMENT_INTERFACE (GST_TYPE_CHILD_PROXY, gst_gl_mixer_child_proxy_init);
- GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "glmixer", 0, "opengl mixer"));
static void gst_gl_mixer_finalize (GObject * object);
-static GObject *
-gst_gl_mixer_child_proxy_get_child_by_index (GstChildProxy * child_proxy,
- guint index)
-{
- GstGLMixer *mix = GST_GL_MIXER (child_proxy);
- GObject *obj;
-
- GST_GL_MIXER_LOCK (mix);
- if ((obj = g_slist_nth_data (mix->sinkpads, index)))
- gst_object_ref (obj);
- GST_GL_MIXER_UNLOCK (mix);
- return obj;
-}
-
-static guint
-gst_gl_mixer_child_proxy_get_children_count (GstChildProxy * child_proxy)
-{
- guint count = 0;
- GstGLMixer *mix = GST_GL_MIXER (child_proxy);
-
- GST_GL_MIXER_LOCK (mix);
- count = mix->numpads;
- GST_GL_MIXER_UNLOCK (mix);
- GST_INFO_OBJECT (mix, "Children Count: %d", count);
- return count;
-}
-
-static void
-gst_gl_mixer_child_proxy_init (gpointer g_iface, gpointer iface_data)
-{
- GstChildProxyInterface *iface = g_iface;
-
- GST_INFO ("intializing child proxy interface");
- iface->get_child_by_index = gst_gl_mixer_child_proxy_get_child_by_index;
- iface->get_children_count = gst_gl_mixer_child_proxy_get_children_count;
-}
-
static void
gst_gl_mixer_class_init (GstGLMixerClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
+ GstVideoAggregatorClass *videoaggregator_class =
+ (GstVideoAggregatorClass *) klass;
+ GstAggregatorClass *agg_class = (GstAggregatorClass *) klass;
+
+ GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "glmixer", 0, "opengl mixer");
+
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
- element_class->request_new_pad =
- GST_DEBUG_FUNCPTR (gst_gl_mixer_request_new_pad);
- element_class->release_pad = GST_DEBUG_FUNCPTR (gst_gl_mixer_release_pad);
- element_class->change_state = GST_DEBUG_FUNCPTR (gst_gl_mixer_change_state);
element_class->set_context = GST_DEBUG_FUNCPTR (gst_gl_mixer_set_context);
+ agg_class->sinkpads_type = GST_TYPE_GL_MIXER_PAD;
+ agg_class->sink_query = gst_gl_mixer_sink_query;
+ agg_class->src_query = gst_gl_mixer_src_query;
+ agg_class->src_activate = gst_gl_mixer_src_activate_mode;
+ agg_class->stop = gst_gl_mixer_stop;
+ agg_class->start = gst_gl_mixer_start;
+
+ videoaggregator_class->disable_frame_conversion = TRUE;
+ videoaggregator_class->aggregate_frames = gst_gl_mixer_aggregate_frames;
+ videoaggregator_class->get_output_buffer = gst_gl_mixer_get_output_buffer;
+ videoaggregator_class->negotiated_caps = _negotiated_caps;
+
+
/* Register the pad class */
g_type_class_ref (GST_TYPE_GL_MIXER_PAD);
klass->set_caps = NULL;
-}
-static void
-gst_gl_mixer_collect_free (GstGLMixerCollect * mixcol)
-{
- if (mixcol->buffer) {
- gst_buffer_unref (mixcol->buffer);
- mixcol->buffer = NULL;
- }
}
static void
gst_gl_mixer_reset (GstGLMixer * mix)
{
- GstGLMixerPrivate *priv = mix->priv;
- GSList *l;
-
- gst_video_info_init (&mix->out_info);
- mix->ts_offset = 0;
- mix->nframes = 0;
-
- gst_segment_init (&mix->segment, GST_FORMAT_TIME);
- mix->segment.position = -1;
-
/* clean up collect data */
- for (l = mix->sinkpads; l; l = l->next) {
- GstGLMixerPad *p = l->data;
- GstGLMixerCollect *mixcol = p->mixcol;
-
- gst_buffer_replace (&mixcol->buffer, NULL);
- mixcol->start_time = -1;
- mixcol->end_time = -1;
-
- gst_video_info_init (&p->in_info);
- }
-
- mix->newseg_pending = TRUE;
- mix->flush_stop_pending = FALSE;
-
- priv->negotiated = FALSE;
+ mix->priv->negotiated = FALSE;
}
static void
static void
gst_gl_mixer_init (GstGLMixer * mix)
{
- GstElementClass *klass = GST_ELEMENT_GET_CLASS (mix);
-
mix->priv = GST_GL_MIXER_GET_PRIVATE (mix);
-
- mix->srcpad =
- gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
- "src"), "src");
- gst_pad_set_query_function (GST_PAD (mix->srcpad),
- GST_DEBUG_FUNCPTR (gst_gl_mixer_src_query));
- gst_pad_set_event_function (GST_PAD (mix->srcpad),
- GST_DEBUG_FUNCPTR (gst_gl_mixer_src_event));
- gst_pad_set_activatemode_function (mix->srcpad,
- GST_DEBUG_FUNCPTR (gst_gl_mixer_src_activate_mode));
- gst_element_add_pad (GST_ELEMENT (mix), mix->srcpad);
-
- mix->collect = gst_collect_pads_new ();
-
- gst_collect_pads_set_function (mix->collect,
- (GstCollectPadsFunction) GST_DEBUG_FUNCPTR (gst_gl_mixer_collected), mix);
- gst_collect_pads_set_event_function (mix->collect,
- (GstCollectPadsEventFunction) gst_gl_mixer_sink_event, mix);
- gst_collect_pads_set_query_function (mix->collect,
- (GstCollectPadsQueryFunction) gst_gl_mixer_sink_query, mix);
- gst_collect_pads_set_clip_function (mix->collect,
- (GstCollectPadsClipFunction) gst_gl_mixer_sink_clip, mix);
-
g_mutex_init (&mix->lock);
-
mix->array_buffers = 0;
mix->display = NULL;
mix->fbo = 0;
mix->depthbuffer = 0;
- mix->pad_type = GST_TYPE_GL_MIXER_PAD;
mix->frames = g_ptr_array_new_full (4, _free_pad_frame_data);
mix->array_buffers = g_ptr_array_new_full (4, NULL);
{
GstGLMixer *mix = GST_GL_MIXER (object);
- gst_object_unref (mix->collect);
g_mutex_clear (&mix->lock);
g_ptr_array_free (mix->frames, TRUE);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
-static gboolean
-gst_gl_mixer_query_duration (GstGLMixer * mix, GstQuery * query)
-{
- GValue item = { 0 };
- gint64 max;
- gboolean res;
- GstFormat format;
- GstIterator *it;
- gboolean done;
-
- /* parse format */
- gst_query_parse_duration (query, &format, NULL);
-
- max = -1;
- res = TRUE;
- done = FALSE;
-
- /* Take maximum of all durations */
- it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (mix));
- while (!done) {
- GstIteratorResult ires;
-
- ires = gst_iterator_next (it, &item);
- switch (ires) {
- case GST_ITERATOR_DONE:
- done = TRUE;
- break;
- case GST_ITERATOR_OK:
- {
- GstPad *pad;
- gint64 duration;
-
- pad = g_value_get_object (&item);
-
- /* ask sink peer for duration */
- res &= gst_pad_peer_query_duration (pad, format, &duration);
- /* take max from all valid return values */
- if (res) {
- /* valid unknown length, stop searching */
- if (duration == -1) {
- max = duration;
- done = TRUE;
- }
- /* else see if bigger than current max */
- else if (duration > max)
- max = duration;
- }
- g_value_reset (&item);
- break;
- }
- case GST_ITERATOR_RESYNC:
- max = -1;
- res = TRUE;
- gst_iterator_resync (it);
- break;
- default:
- res = FALSE;
- done = TRUE;
- break;
- }
- }
- g_value_reset (&item);
- gst_iterator_free (it);
-
- if (res) {
- /* and store the max */
- GST_DEBUG_OBJECT (mix, "Total duration in format %s: %"
- GST_TIME_FORMAT, gst_format_get_name (format), GST_TIME_ARGS (max));
- gst_query_set_duration (query, format, max);
- }
-
- return res;
-}
-
-static gboolean
-gst_gl_mixer_query_caps (GstPad * pad, GstObject * parent, GstQuery * query)
-{
- GstCaps *filter, *caps;
- GstGLMixer *mix = GST_GL_MIXER (parent);
- GstStructure *s;
- gint n;
-
- gst_query_parse_caps (query, &filter);
-
- if (GST_VIDEO_INFO_FORMAT (&mix->out_info) != GST_VIDEO_FORMAT_UNKNOWN) {
- caps = gst_pad_get_current_caps (mix->srcpad);
- } else {
- caps = gst_pad_get_pad_template_caps (mix->srcpad);
- }
-
- caps = gst_caps_make_writable (caps);
-
- n = gst_caps_get_size (caps) - 1;
- for (; n >= 0; n--) {
- s = gst_caps_get_structure (caps, n);
- gst_structure_set (s, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
- "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
- if (GST_VIDEO_INFO_FPS_D (&mix->out_info) != 0) {
- gst_structure_set (s,
- "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
- }
- }
- gst_query_set_caps_result (query, caps);
-
- return TRUE;
-}
-
-static gboolean
-gst_gl_mixer_query_latency (GstGLMixer * mix, GstQuery * query)
-{
- GValue item = { 0 };
- GstClockTime min, max;
- gboolean live;
- gboolean res;
- GstIterator *it;
- gboolean done;
-
- res = TRUE;
- done = FALSE;
- live = FALSE;
- min = 0;
- max = GST_CLOCK_TIME_NONE;
-
- /* Take maximum of all latency values */
- it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (mix));
- while (!done) {
- GstIteratorResult ires;
-
- ires = gst_iterator_next (it, &item);
- switch (ires) {
- case GST_ITERATOR_DONE:
- done = TRUE;
- break;
- case GST_ITERATOR_OK:
- {
- GstPad *pad;
- GstQuery *peerquery;
- GstClockTime min_cur, max_cur;
- gboolean live_cur;
-
- pad = g_value_get_object (&item);
- peerquery = gst_query_new_latency ();
-
- /* Ask peer for latency */
- res &= gst_pad_peer_query (pad, peerquery);
-
- /* take max from all valid return values */
- if (res) {
- gst_query_parse_latency (peerquery, &live_cur, &min_cur, &max_cur);
-
- if (min_cur > min)
- min = min_cur;
-
- if (max_cur != GST_CLOCK_TIME_NONE &&
- ((max != GST_CLOCK_TIME_NONE && max_cur > max) ||
- (max == GST_CLOCK_TIME_NONE)))
- max = max_cur;
-
- live = live || live_cur;
- }
-
- gst_query_unref (peerquery);
- g_value_reset (&item);
- break;
- }
- case GST_ITERATOR_RESYNC:
- live = FALSE;
- min = 0;
- max = GST_CLOCK_TIME_NONE;
- res = TRUE;
- gst_iterator_resync (it);
- break;
- default:
- res = FALSE;
- done = TRUE;
- break;
- }
- }
- g_value_unset (&item);
- gst_iterator_free (it);
-
- if (res) {
- /* store the results */
- GST_DEBUG_OBJECT (mix, "Calculated total latency: live %s, min %"
- GST_TIME_FORMAT ", max %" GST_TIME_FORMAT,
- (live ? "yes" : "no"), GST_TIME_ARGS (min), GST_TIME_ARGS (max));
- gst_query_set_latency (query, live, min, max);
- }
-
- return res;
-}
-
-static void
-gst_gl_mixer_update_qos (GstGLMixer * mix, gdouble proportion,
- GstClockTimeDiff diff, GstClockTime timestamp)
-{
- GST_DEBUG_OBJECT (mix,
- "Updating QoS: proportion %lf, diff %s%" GST_TIME_FORMAT ", timestamp %"
- GST_TIME_FORMAT, proportion, (diff < 0) ? "-" : "",
- GST_TIME_ARGS (ABS (diff)), GST_TIME_ARGS (timestamp));
-
- GST_OBJECT_LOCK (mix);
- mix->proportion = proportion;
- if (G_LIKELY (timestamp != GST_CLOCK_TIME_NONE)) {
- if (G_UNLIKELY (diff > 0))
- mix->earliest_time =
- timestamp + 2 * diff + gst_util_uint64_scale_int (GST_SECOND,
- GST_VIDEO_INFO_FPS_D (&mix->out_info),
- GST_VIDEO_INFO_FPS_N (&mix->out_info));
- else
- mix->earliest_time = timestamp + diff;
- } else {
- mix->earliest_time = GST_CLOCK_TIME_NONE;
- }
- GST_OBJECT_UNLOCK (mix);
-}
-
-static void
-gst_gl_mixer_reset_qos (GstGLMixer * mix)
-{
- gst_gl_mixer_update_qos (mix, 0.5, 0, GST_CLOCK_TIME_NONE);
- mix->qos_processed = mix->qos_dropped = 0;
-}
-
-static void
-gst_gl_mixer_read_qos (GstGLMixer * mix, gdouble * proportion,
- GstClockTime * time)
-{
- GST_OBJECT_LOCK (mix);
- *proportion = mix->proportion;
- *time = mix->earliest_time;
- GST_OBJECT_UNLOCK (mix);
-}
static void
gst_gl_mixer_set_context (GstElement * element, GstContext * context)
}
static gboolean
-gst_gl_mixer_src_activate_mode (GstPad * pad, GstObject * parent,
- GstPadMode mode, gboolean active)
+gst_gl_mixer_src_activate_mode (GstAggregator * aggregator, GstPadMode mode,
+ gboolean active)
{
- gboolean result = FALSE;
GstGLMixer *mix;
+ gboolean result = FALSE;
- mix = GST_GL_MIXER (parent);
+ mix = GST_GL_MIXER (aggregator);
switch (mode) {
case GST_PAD_MODE_PUSH:
}
static gboolean
-gst_gl_mixer_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
+gst_gl_mixer_query_caps (GstPad * pad, GstAggregator * agg, GstQuery * query)
+{
+ GstCaps *filter, *caps;
+ GstStructure *s;
+ gint n;
+
+ GstVideoAggregator *vagg = GST_VIDEO_AGGREGATOR (agg);
+
+ gst_query_parse_caps (query, &filter);
+
+ if (GST_VIDEO_INFO_FORMAT (&vagg->info) != GST_VIDEO_FORMAT_UNKNOWN) {
+ caps = gst_video_info_to_caps (&vagg->info);
+ } else {
+ caps = gst_pad_get_pad_template_caps (agg->srcpad);
+ }
+
+ caps = gst_caps_make_writable (caps);
+
+ n = gst_caps_get_size (caps) - 1;
+ for (; n >= 0; n--) {
+ s = gst_caps_get_structure (caps, n);
+ gst_structure_set (s, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
+ "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
+ if (GST_VIDEO_INFO_FPS_D (&vagg->info) != 0) {
+ gst_structure_set (s,
+ "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
+ }
+ }
+ gst_query_set_caps_result (query, caps);
+
+ return TRUE;
+}
+
+static gboolean
+gst_gl_mixer_src_query (GstAggregator * agg, GstQuery * query)
{
- GstGLMixer *mix = GST_GL_MIXER (parent);
gboolean res = FALSE;
+ GstGLMixer *mix = GST_GL_MIXER (agg);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:
&mix->display);
break;
}
- case GST_QUERY_POSITION:
- {
- GstFormat format;
-
- gst_query_parse_position (query, &format, NULL);
-
- switch (format) {
- case GST_FORMAT_TIME:
- gst_query_set_position (query, format,
- gst_segment_to_stream_time (&mix->segment, GST_FORMAT_TIME,
- mix->segment.position));
- res = TRUE;
- break;
- default:
- break;
- }
- break;
- }
- case GST_QUERY_DURATION:
- res = gst_gl_mixer_query_duration (mix, query);
- break;
- case GST_QUERY_LATENCY:
- res = gst_gl_mixer_query_latency (mix, query);
- break;
case GST_QUERY_CAPS:
- res = gst_gl_mixer_query_caps (pad, parent, query);
+ res = gst_gl_mixer_query_caps (agg->srcpad, agg, query);
break;
default:
- /* FIXME, needs a custom query handler because we have multiple
- * sinkpads, send to the master pad until then */
- res = FALSE;
+ res = GST_AGGREGATOR_CLASS (parent_class)->src_query (agg, query);
break;
}
return res;
}
+static GstFlowReturn
+gst_gl_mixer_get_output_buffer (GstVideoAggregator * videoaggregator,
+ GstBuffer ** outbuf)
+{
+ GstGLMixer *mix = GST_GL_MIXER (videoaggregator);
+
+ if (!mix->priv->pool_active) {
+ if (!gst_buffer_pool_set_active (mix->priv->pool, TRUE)) {
+ GST_ELEMENT_ERROR (mix, RESOURCE, SETTINGS,
+ ("failed to activate bufferpool"), ("failed to activate bufferpool"));
+ return GST_FLOW_ERROR;
+ }
+ mix->priv->pool_active = TRUE;
+ }
+
+ return gst_buffer_pool_acquire_buffer (mix->priv->pool, outbuf, NULL);
+}
+
static gboolean
gst_gl_mixer_decide_allocation (GstGLMixer * mix, GstQuery * query)
{
guint idx;
guint out_width, out_height;
GstGLContext *other_context = NULL;
+ GstVideoAggregator *vagg = GST_VIDEO_AGGREGATOR (mix);
gst_query_parse_allocation (query, &caps, NULL);
goto context_error;
}
- out_width = GST_VIDEO_INFO_WIDTH (&mix->out_info);
- out_height = GST_VIDEO_INFO_HEIGHT (&mix->out_info);
+ out_width = GST_VIDEO_INFO_WIDTH (&vagg->info);
+ out_height = GST_VIDEO_INFO_HEIGHT (&vagg->info);
if (!gst_gl_context_gen_fbo (mix->context, out_width, out_height,
&mix->fbo, &mix->depthbuffer))
GstBufferPool *pool = NULL;
GstAllocator *allocator;
GstAllocationParams params;
+ GstAggregator *agg = GST_AGGREGATOR (mix);
/* find a pool for the negotiated caps now */
GST_DEBUG_OBJECT (mix, "doing allocation query");
query = gst_query_new_allocation (outcaps, TRUE);
- if (!gst_pad_peer_query (mix->srcpad, query)) {
+ if (!gst_pad_peer_query (agg->srcpad, query)) {
/* not a problem, just debug a little */
GST_DEBUG_OBJECT (mix, "peer ALLOCATION query failed");
}
}
}
-static gboolean
-gst_gl_mixer_src_setcaps (GstPad * pad, GstGLMixer * mix, GstCaps * caps)
+gboolean
+gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
{
- GstGLMixerPrivate *priv = mix->priv;
- GstVideoInfo info;
- gboolean ret = TRUE;
+ guint i;
+ GList *walk;
+ guint out_tex;
+ gboolean res = TRUE;
+ guint array_index = 0;
+ GstVideoFrame out_frame;
+ gboolean out_gl_wrapped = FALSE;
+ GstElement *element = GST_ELEMENT (mix);
+ GstVideoAggregator *vagg = GST_VIDEO_AGGREGATOR (mix);
+ GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
- GST_INFO_OBJECT (mix, "set src caps: %" GST_PTR_FORMAT, caps);
+ GST_TRACE ("Processing buffers");
- if (!gst_video_info_from_caps (&info, caps)) {
- ret = FALSE;
- goto done;
+ if (!gst_video_frame_map (&out_frame, &vagg->info, outbuf,
+ GST_MAP_WRITE | GST_MAP_GL)) {
+ return FALSE;
}
- GST_GL_MIXER_LOCK (mix);
+ if (gst_is_gl_memory (out_frame.map[0].memory)) {
+ out_tex = *(guint *) out_frame.data[0];
+ } else {
+ GST_INFO ("Output Buffer does not contain correct memory, "
+ "attempting to wrap for download");
- if (GST_VIDEO_INFO_FPS_N (&mix->out_info) != GST_VIDEO_INFO_FPS_N (&info) ||
- GST_VIDEO_INFO_FPS_D (&mix->out_info) != GST_VIDEO_INFO_FPS_D (&info)) {
- if (mix->segment.position != -1) {
- mix->ts_offset = mix->segment.position - mix->segment.start;
- mix->nframes = 0;
- }
- gst_gl_mixer_reset_qos (mix);
- }
+ out_tex = mix->out_tex_id;;
- mix->out_info = info;
+ if (!mix->download)
+ mix->download = gst_gl_download_new (mix->context);
- if (mix->current_caps == NULL ||
- gst_caps_is_equal (caps, mix->current_caps) == FALSE) {
- gst_caps_replace (&mix->current_caps, caps);
- mix->send_caps = TRUE;
+ gst_gl_download_set_format (mix->download, &out_frame.info);
+ out_gl_wrapped = TRUE;
}
- GST_GL_MIXER_UNLOCK (mix);
+ GST_OBJECT_LOCK (mix);
+ walk = element->sinkpads;
- ret = gst_gl_mixer_do_bufferpool (mix, caps);
-
-done:
- priv->negotiated = ret;
-
- return ret;
-}
-
-/**
- * gst_gl_mixer_set_pad_type:
- * @mix: a #GstGLMixer
- * @pad_type: a #GstPad type subclass
- *
- * Set the pad type that will be created in the request_new_pad vfunc.
- *
- * Intended only for derived classes of #GstGLMixer.
- */
-void
-gst_gl_mixer_set_pad_type (GstGLMixer * mix, GType pad_type)
-{
- g_return_if_fail (GST_IS_GL_MIXER (mix));
- g_return_if_fail (g_type_is_a (pad_type, GST_TYPE_GL_MIXER_PAD));
-
- GST_GL_MIXER_LOCK (mix);
- mix->pad_type = pad_type;
- GST_GL_MIXER_UNLOCK (mix);
-}
-
-static GstPad *
-gst_gl_mixer_request_new_pad (GstElement * element,
- GstPadTemplate * templ, const gchar * req_name, const GstCaps * caps)
-{
- GstGLMixer *mix;
- GstGLMixerPad *mixpad;
- GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
- gint serial = 0;
- gchar *name = NULL;
- GstGLMixerCollect *mixcol = NULL;
-
- mix = GST_GL_MIXER (element);
-
- if (templ != gst_element_class_get_pad_template (klass, "sink_%d"))
- return NULL;
-
- GST_GL_MIXER_LOCK (mix);
- if (req_name == NULL || strlen (req_name) < 6
- || !g_str_has_prefix (req_name, "sink_")) {
- /* no name given when requesting the pad, use next available int */
- serial = mix->next_sinkpad++;
- } else {
- /* parse serial number from requested padname */
- serial = g_ascii_strtoull (&req_name[5], NULL, 10);
- if (serial >= mix->next_sinkpad)
- mix->next_sinkpad = serial + 1;
- }
- /* create new pad with the name */
- name = g_strdup_printf ("sink_%d", serial);
- mixpad = g_object_new (mix->pad_type, "name", name, "direction",
- templ->direction, "template", templ, NULL);
- g_free (name);
-
- mixcol = (GstGLMixerCollect *)
- gst_collect_pads_add_pad (mix->collect, GST_PAD (mixpad),
- sizeof (GstGLMixerCollect),
- (GstCollectDataDestroyNotify) gst_gl_mixer_collect_free, TRUE);
-
- /* Keep track of each other */
- mixcol->mixpad = mixpad;
- mixpad->mixcol = mixcol;
-
- mixcol->start_time = -1;
- mixcol->end_time = -1;
-
- /* Keep an internal list of mixpads for zordering */
- mix->sinkpads = g_slist_append (mix->sinkpads, mixpad);
- mix->numpads++;
-
- g_ptr_array_set_size (mix->array_buffers, mix->numpads);
- g_ptr_array_set_size (mix->frames, mix->numpads);
-
- mix->frames->pdata[mix->numpads - 1] = g_slice_new0 (GstGLMixerFrameData);
-
- GST_GL_MIXER_UNLOCK (mix);
-
- /* add the pad to the element */
- GST_DEBUG_OBJECT (element, "Adding pad %s", GST_PAD_NAME (mixpad));
- gst_element_add_pad (element, GST_PAD (mixpad));
- gst_child_proxy_child_added (GST_CHILD_PROXY (mix), G_OBJECT (mixpad),
- GST_OBJECT_NAME (mixpad));
-
- return GST_PAD (mixpad);
-}
-
-static void
-gst_gl_mixer_release_pad (GstElement * element, GstPad * pad)
-{
- GstGLMixer *mix;
- GstGLMixerPad *mixpad;
- gboolean update_caps;
-
- mix = GST_GL_MIXER (element);
-
- GST_GL_MIXER_LOCK (mix);
- if (G_UNLIKELY (g_slist_find (mix->sinkpads, pad) == NULL)) {
- g_warning ("Unknown pad %s", GST_PAD_NAME (pad));
- goto error;
- }
-
- mixpad = GST_GL_MIXER_PAD (pad);
-
- mix->sinkpads = g_slist_remove (mix->sinkpads, pad);
- gst_child_proxy_child_removed (GST_CHILD_PROXY (mix), G_OBJECT (mixpad),
- GST_OBJECT_NAME (mixpad));
- mix->numpads--;
-
- g_ptr_array_set_size (mix->array_buffers, mix->numpads);
- g_ptr_array_set_size (mix->frames, mix->numpads);
-
- update_caps =
- GST_VIDEO_INFO_FORMAT (&mix->out_info) != GST_VIDEO_FORMAT_UNKNOWN;
- GST_GL_MIXER_UNLOCK (mix);
-
- gst_collect_pads_remove_pad (mix->collect, pad);
-
- if (update_caps)
- gst_gl_mixer_update_src_caps (mix);
-
- gst_element_remove_pad (element, pad);
- return;
-error:
- GST_GL_MIXER_UNLOCK (mix);
-}
-
-/* try to get a buffer on all pads. As long as the queued value is
- * negative, we skip buffers */
-static gint
-gst_gl_mixer_fill_queues (GstGLMixer * mix,
- GstClockTime output_start_time, GstClockTime output_end_time)
-{
- GSList *l;
- gboolean eos = TRUE;
- gboolean need_more_data = FALSE;
-
- for (l = mix->sinkpads; l; l = l->next) {
- GstGLMixerPad *pad = l->data;
- GstGLMixerCollect *mixcol = pad->mixcol;
- GstSegment *segment = &pad->mixcol->collect.segment;
- GstBuffer *buf;
-
- buf = gst_collect_pads_peek (mix->collect, &mixcol->collect);
- if (buf) {
- GstClockTime start_time, end_time;
-
- start_time = GST_BUFFER_TIMESTAMP (buf);
- if (start_time == -1) {
- gst_buffer_unref (buf);
- GST_ERROR_OBJECT (pad, "Need timestamped buffers!");
- return -2;
- }
-
- /* FIXME: Make all this work with negative rates */
-
- if ((mixcol->buffer && start_time < GST_BUFFER_TIMESTAMP (mixcol->buffer))
- || (mixcol->queued
- && start_time < GST_BUFFER_TIMESTAMP (mixcol->queued))) {
- GST_WARNING_OBJECT (pad, "Buffer from the past, dropping");
- gst_buffer_unref (buf);
- buf = gst_collect_pads_pop (mix->collect, &mixcol->collect);
- gst_buffer_unref (buf);
- need_more_data = TRUE;
- continue;
- }
-
- if (mixcol->queued) {
- end_time = start_time - GST_BUFFER_TIMESTAMP (mixcol->queued);
- start_time = GST_BUFFER_TIMESTAMP (mixcol->queued);
- gst_buffer_unref (buf);
- buf = gst_buffer_ref (mixcol->queued);
- } else {
- end_time = GST_BUFFER_DURATION (buf);
-
- if (end_time == -1) {
- mixcol->queued = buf;
- need_more_data = TRUE;
- continue;
- }
- }
-
- g_assert (start_time != -1 && end_time != -1);
- end_time += start_time; /* convert from duration to position */
-
- if (mixcol->end_time != -1 && mixcol->end_time > end_time) {
- GST_WARNING_OBJECT (pad, "Buffer from the past, dropping");
- if (buf == mixcol->queued) {
- gst_buffer_unref (buf);
- gst_buffer_replace (&mixcol->queued, NULL);
- } else {
- gst_buffer_unref (buf);
- buf = gst_collect_pads_pop (mix->collect, &mixcol->collect);
- gst_buffer_unref (buf);
- }
-
- need_more_data = TRUE;
- continue;
- }
-
- /* Check if it's inside the segment */
- if (start_time >= segment->stop || end_time < segment->start) {
- GST_DEBUG_OBJECT (pad, "Buffer outside the segment");
-
- if (buf == mixcol->queued) {
- gst_buffer_unref (buf);
- gst_buffer_replace (&mixcol->queued, NULL);
- } else {
- gst_buffer_unref (buf);
- buf = gst_collect_pads_pop (mix->collect, &mixcol->collect);
- gst_buffer_unref (buf);
- }
-
- need_more_data = TRUE;
- continue;
- }
-
- /* Clip to segment and convert to running time */
- start_time = MAX (start_time, segment->start);
- if (segment->stop != -1)
- end_time = MIN (end_time, segment->stop);
- start_time =
- gst_segment_to_running_time (segment, GST_FORMAT_TIME, start_time);
- end_time =
- gst_segment_to_running_time (segment, GST_FORMAT_TIME, end_time);
- g_assert (start_time != -1 && end_time != -1);
-
- /* Convert to the output segment rate */
- if (ABS (mix->segment.rate) != 1.0) {
- start_time *= ABS (mix->segment.rate);
- end_time *= ABS (mix->segment.rate);
- }
-
- if (end_time >= output_start_time && start_time < output_end_time) {
- GST_DEBUG_OBJECT (pad,
- "Taking new buffer with start time %" GST_TIME_FORMAT,
- GST_TIME_ARGS (start_time));
- gst_buffer_replace (&mixcol->buffer, buf);
- mixcol->start_time = start_time;
- mixcol->end_time = end_time;
-
- if (buf == mixcol->queued) {
- gst_buffer_unref (buf);
- gst_buffer_replace (&mixcol->queued, NULL);
- } else {
- gst_buffer_unref (buf);
- buf = gst_collect_pads_pop (mix->collect, &mixcol->collect);
- gst_buffer_unref (buf);
- }
- eos = FALSE;
- } else if (start_time >= output_end_time) {
- GST_DEBUG_OBJECT (pad, "Keeping buffer until %" GST_TIME_FORMAT,
- GST_TIME_ARGS (start_time));
- gst_buffer_unref (buf);
- eos = FALSE;
- } else {
- GST_DEBUG_OBJECT (pad, "Too old buffer -- dropping");
- if (buf == mixcol->queued) {
- gst_buffer_unref (buf);
- gst_buffer_replace (&mixcol->queued, NULL);
- } else {
- gst_buffer_unref (buf);
- buf = gst_collect_pads_pop (mix->collect, &mixcol->collect);
- gst_buffer_unref (buf);
- }
-
- need_more_data = TRUE;
- continue;
- }
- } else {
- if (mixcol->end_time != -1) {
- if (mixcol->end_time <= output_start_time) {
- gst_buffer_replace (&mixcol->buffer, NULL);
- mixcol->start_time = mixcol->end_time = -1;
- if (!GST_COLLECT_PADS_STATE_IS_SET (mixcol,
- GST_COLLECT_PADS_STATE_EOS))
- need_more_data = TRUE;
- } else {
- eos = FALSE;
- }
- }
- }
- }
-
- if (need_more_data)
- return 0;
- if (eos)
- return -1;
-
- return 1;
-}
-
-gboolean
-gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
-{
- GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
- GSList *walk = mix->sinkpads;
- GstVideoFrame out_frame;
- gboolean out_gl_wrapped = FALSE;
- guint out_tex;
- guint array_index = 0;
- guint i;
- gboolean res = TRUE;
-
- GST_TRACE ("Processing buffers");
-
- if (!gst_video_frame_map (&out_frame, &mix->out_info, outbuf,
- GST_MAP_WRITE | GST_MAP_GL)) {
- return FALSE;
- }
-
- if (gst_is_gl_memory (out_frame.map[0].memory)) {
- out_tex = *(guint *) out_frame.data[0];
- } else {
- GST_INFO ("Output Buffer does not contain correct memory, "
- "attempting to wrap for download");
-
- out_tex = mix->out_tex_id;;
-
- if (!mix->download)
- mix->download = gst_gl_download_new (mix->context);
-
- gst_gl_download_set_format (mix->download, &out_frame.info);
- out_gl_wrapped = TRUE;
- }
-
- while (walk) { /* We walk with this list because it's ordered */
+ i = mix->frames->len;
+ g_ptr_array_set_size (mix->frames, element->numsinkpads);
+ for (; i < element->numsinkpads; i++)
+ mix->frames->pdata[i] = g_slice_new0 (GstGLMixerFrameData);
+ while (walk) {
GstGLMixerPad *pad = GST_GL_MIXER_PAD (walk->data);
- GstGLMixerCollect *mixcol = pad->mixcol;
+ GstVideoAggregatorPad *vaggpad = walk->data;
GstGLMixerFrameData *frame;
frame = g_ptr_array_index (mix->frames, array_index);
frame->pad = pad;
frame->texture = 0;
- walk = g_slist_next (walk);
+ walk = g_list_next (walk);
- if (mixcol->buffer != NULL) {
- GstClockTime timestamp;
- gint64 stream_time;
- GstSegment *seg;
+ if (vaggpad->buffer != NULL) {
guint in_tex;
- seg = &mixcol->collect.segment;
-
- timestamp = GST_BUFFER_TIMESTAMP (mixcol->buffer);
-
- stream_time =
- gst_segment_to_stream_time (seg, GST_FORMAT_TIME, timestamp);
-
- /* sync object properties on stream time */
- if (GST_CLOCK_TIME_IS_VALID (stream_time))
- gst_object_sync_values (GST_OBJECT (pad), stream_time);
-
if (!pad->upload) {
pad->upload = gst_gl_upload_new (mix->context);
- gst_gl_upload_set_format (pad->upload, &pad->in_info);
+ gst_gl_upload_set_format (pad->upload, &vaggpad->info);
}
- if (!gst_gl_upload_perform_with_buffer (pad->upload, mixcol->buffer,
- &in_tex)) {
+ if (!gst_gl_upload_perform_with_buffer (pad->upload,
+ vaggpad->buffer, &in_tex)) {
++array_index;
pad->mapped = FALSE;
continue;
out:
i = 0;
- walk = mix->sinkpads;
+ walk = GST_ELEMENT (mix)->sinkpads;
while (walk) {
GstGLMixerPad *pad = GST_GL_MIXER_PAD (walk->data);
gst_gl_upload_release_buffer (pad->upload);
pad->mapped = FALSE;
- walk = g_slist_next (walk);
+ walk = g_list_next (walk);
i++;
}
+ GST_OBJECT_UNLOCK (mix);
gst_video_frame_unmap (&out_frame);
return res;
}
-static void
+static gboolean
gst_gl_mixer_process_buffers (GstGLMixer * mix, GstBuffer * outbuf)
{
+ GList *walk;
+ guint i, array_index = 0;
+ GstElement *element = GST_ELEMENT (mix);
GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
- GSList *walk = mix->sinkpads;
- guint array_index = 0;
+ GST_OBJECT_LOCK (mix);
+ walk = GST_ELEMENT (mix)->sinkpads;
+ i = mix->frames->len;
+ g_ptr_array_set_size (mix->frames, element->numsinkpads);
+ for (; i < element->numsinkpads; i++)
+ mix->frames->pdata[i] = g_slice_new0 (GstGLMixerFrameData);
while (walk) { /* We walk with this list because it's ordered */
- GstGLMixerPad *pad = GST_GL_MIXER_PAD (walk->data);
- GstGLMixerCollect *mixcol = pad->mixcol;
-
- walk = g_slist_next (walk);
-
- if (mixcol->buffer != NULL) {
- GstClockTime timestamp;
- gint64 stream_time;
- GstSegment *seg;
+ GstVideoAggregatorPad *vaggpad = walk->data;
- seg = &mixcol->collect.segment;
-
- timestamp = GST_BUFFER_TIMESTAMP (mixcol->buffer);
-
- stream_time =
- gst_segment_to_stream_time (seg, GST_FORMAT_TIME, timestamp);
-
- /* sync object properties on stream time */
- if (GST_CLOCK_TIME_IS_VALID (stream_time))
- gst_object_sync_values (GST_OBJECT (pad), stream_time);
+ walk = g_list_next (walk);
+ if (vaggpad->buffer != NULL) {
/* put buffer into array */
- mix->array_buffers->pdata[array_index] = mixcol->buffer;
+ mix->array_buffers->pdata[array_index] = vaggpad->buffer;
}
++array_index;
}
+ GST_OBJECT_UNLOCK (mix);
- mix_class->process_buffers (mix, mix->array_buffers, outbuf);
+ return mix_class->process_buffers (mix, mix->array_buffers, outbuf);
}
-/* Perform qos calculations before processing the next frame. Returns TRUE if
- * the frame should be processed, FALSE if the frame can be dropped entirely */
-static gint64
-gst_gl_mixer_do_qos (GstGLMixer * mix, GstClockTime timestamp)
-{
- GstClockTime qostime, earliest_time;
- gdouble proportion;
- gint64 jitter;
-
- /* no timestamp, can't do QoS => process frame */
- if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (timestamp))) {
- GST_LOG_OBJECT (mix, "invalid timestamp, can't do QoS, process frame");
- return -1;
- }
-
- /* get latest QoS observation values */
- gst_gl_mixer_read_qos (mix, &proportion, &earliest_time);
-
- /* skip qos if we have no observation (yet) => process frame */
- if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (earliest_time))) {
- GST_LOG_OBJECT (mix, "no observation yet, process frame");
- return -1;
- }
-
- /* qos is done on running time */
- qostime =
- gst_segment_to_running_time (&mix->segment, GST_FORMAT_TIME, timestamp);
- /* see how our next timestamp relates to the latest qos timestamp */
- GST_LOG_OBJECT (mix, "qostime %" GST_TIME_FORMAT ", earliest %"
- GST_TIME_FORMAT, GST_TIME_ARGS (qostime), GST_TIME_ARGS (earliest_time));
-
- jitter = GST_CLOCK_DIFF (qostime, earliest_time);
- if (qostime != GST_CLOCK_TIME_NONE && jitter > 0) {
- GST_DEBUG_OBJECT (mix, "we are late, drop frame");
- return jitter;
- }
-
- GST_LOG_OBJECT (mix, "process frame");
- return jitter;
-}
static GstFlowReturn
-gst_gl_mixer_collected (GstCollectPads * pads, GstGLMixer * mix)
+gst_gl_mixer_aggregate_frames (GstVideoAggregator * vagg, GstBuffer * outbuf)
{
- GstGLMixerClass *mix_class;
- GstFlowReturn ret;
- GstClockTime output_start_time, output_end_time;
- GstBuffer *outbuf = NULL;
- gint res;
- gint64 jitter;
-
- g_return_val_if_fail (GST_IS_GL_MIXER (mix), GST_FLOW_ERROR);
-
- mix_class = GST_GL_MIXER_GET_CLASS (mix);
-
- /* If we're not negotiated yet... */
- if (GST_VIDEO_INFO_FORMAT (&mix->out_info) == GST_VIDEO_FORMAT_UNKNOWN) {
- GST_ELEMENT_ERROR (mix, CORE, NEGOTIATION, ("not negotiated"), (NULL));
- return GST_FLOW_NOT_NEGOTIATED;
- }
-
- if (g_atomic_int_compare_and_exchange (&mix->flush_stop_pending, TRUE, FALSE)) {
- GST_DEBUG_OBJECT (mix, "pending flush stop");
- gst_pad_push_event (mix->srcpad, gst_event_new_flush_stop (TRUE));
- }
-
- if (mix->send_stream_start) {
- gchar s_id[32];
-
- /* stream-start (FIXME: create id based on input ids) */
- g_snprintf (s_id, sizeof (s_id), "mix-%08x", g_random_int ());
- if (!gst_pad_push_event (mix->srcpad, gst_event_new_stream_start (s_id))) {
- GST_WARNING_OBJECT (mix->srcpad, "Sending stream start event failed");
- }
- mix->send_stream_start = FALSE;
- }
-
- if (gst_pad_check_reconfigure (mix->srcpad))
- gst_gl_mixer_update_src_caps (mix);
-
- if (mix->send_caps) {
- if (!gst_pad_push_event (mix->srcpad,
- gst_event_new_caps (mix->current_caps))) {
- GST_WARNING_OBJECT (mix->srcpad, "Sending caps event failed");
- }
- mix->send_caps = FALSE;
- }
-
- GST_GL_MIXER_LOCK (mix);
-
- if (mix->newseg_pending) {
- GST_DEBUG_OBJECT (mix, "Sending NEWSEGMENT event");
- if (!gst_pad_push_event (mix->srcpad,
- gst_event_new_segment (&mix->segment))) {
- ret = GST_FLOW_ERROR;
- goto error;
- }
- mix->newseg_pending = FALSE;
- }
-
- if (mix->segment.position == -1)
- output_start_time = mix->segment.start;
- else
- output_start_time = mix->segment.position;
-
- if (output_start_time >= mix->segment.stop) {
- GST_DEBUG_OBJECT (mix, "Segment done");
- gst_pad_push_event (mix->srcpad, gst_event_new_eos ());
- ret = GST_FLOW_EOS;
- goto error;
- }
-
- output_end_time =
- mix->ts_offset + gst_util_uint64_scale (mix->nframes + 1,
- GST_SECOND * GST_VIDEO_INFO_FPS_D (&mix->out_info),
- GST_VIDEO_INFO_FPS_N (&mix->out_info));
- if (mix->segment.stop != -1)
- output_end_time = MIN (output_end_time, mix->segment.stop);
-
- GST_LOG ("got output times start:%" GST_TIME_FORMAT " end:%" GST_TIME_FORMAT,
- GST_TIME_ARGS (output_start_time), GST_TIME_ARGS (output_end_time));
-
- res = gst_gl_mixer_fill_queues (mix, output_start_time, output_end_time);
-
- if (res == 0) {
- GST_DEBUG_OBJECT (mix, "Need more data for decisions");
- ret = GST_FLOW_OK;
- goto error;
- } else if (res == -1) {
- GST_DEBUG_OBJECT (mix, "All sinkpads are EOS -- forwarding");
- gst_pad_push_event (mix->srcpad, gst_event_new_eos ());
- ret = GST_FLOW_EOS;
- goto error;
- } else if (res == -2) {
- GST_ERROR_OBJECT (mix, "Error collecting buffers");
- ret = GST_FLOW_ERROR;
- goto error;
- }
-
- jitter = gst_gl_mixer_do_qos (mix, output_start_time);
- if (jitter <= 0) {
-
- if (!mix->priv->pool_active) {
- if (!gst_buffer_pool_set_active (mix->priv->pool, TRUE)) {
- GST_ELEMENT_ERROR (mix, RESOURCE, SETTINGS,
- ("failed to activate bufferpool"),
- ("failed to activate bufferpool"));
- ret = GST_FLOW_ERROR;
- goto error;
- }
- mix->priv->pool_active = TRUE;
- }
-
- ret = gst_buffer_pool_acquire_buffer (mix->priv->pool, &outbuf, NULL);
- if (ret != GST_FLOW_OK)
- goto error;
-
- GST_BUFFER_TIMESTAMP (outbuf) = output_start_time;
- GST_BUFFER_DURATION (outbuf) = output_end_time - output_start_time;
-
- if (!mix_class->process_buffers && !mix_class->process_textures) {
- ret = GST_FLOW_ERROR;
- g_assert_not_reached ();
- goto error;
- }
-
- if (mix_class->process_buffers)
- gst_gl_mixer_process_buffers (mix, outbuf);
- else if (mix_class->process_textures)
- gst_gl_mixer_process_textures (mix, outbuf);
-
- mix->qos_processed++;
- } else {
- GstMessage *msg;
-
- mix->qos_dropped++;
-
- /* TODO: live */
- msg =
- gst_message_new_qos (GST_OBJECT_CAST (mix), FALSE,
- gst_segment_to_running_time (&mix->segment, GST_FORMAT_TIME,
- output_start_time), gst_segment_to_stream_time (&mix->segment,
- GST_FORMAT_TIME, output_start_time), output_start_time,
- output_end_time - output_start_time);
- gst_message_set_qos_values (msg, jitter, mix->proportion, 1000000);
- gst_message_set_qos_stats (msg, GST_FORMAT_BUFFERS, mix->qos_processed,
- mix->qos_dropped);
- gst_element_post_message (GST_ELEMENT_CAST (mix), msg);
-
- ret = GST_FLOW_OK;
- }
-
- mix->segment.position = output_end_time;
- mix->nframes++;
+ gboolean res = FALSE;
+ GstGLMixer *mix = GST_GL_MIXER (vagg);
+ GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (vagg);
- GST_GL_MIXER_UNLOCK (mix);
- if (outbuf) {
- GST_LOG_OBJECT (mix,
- "Pushing buffer with ts %" GST_TIME_FORMAT " and duration %"
- GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)),
- GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)));
- ret = gst_pad_push (mix->srcpad, outbuf);
- }
+ if (mix_class->process_buffers)
+ res = gst_gl_mixer_process_buffers (mix, outbuf);
+ else if (mix_class->process_textures)
+ res = gst_gl_mixer_process_textures (mix, outbuf);
-done:
- return ret;
+ return res ? GST_FLOW_OK : GST_FLOW_ERROR;
+}
- /* ERRORS */
-error:
- {
- GST_GL_MIXER_UNLOCK (mix);
- goto done;
+static void
+gst_gl_mixer_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec)
+{
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
}
}
-static gboolean
-forward_event_func (GValue * item, GValue * ret, GstEvent * event)
+static void
+gst_gl_mixer_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec)
{
- GstPad *pad = g_value_get_object (item);
- gst_event_ref (event);
- GST_LOG_OBJECT (pad, "About to send event %s", GST_EVENT_TYPE_NAME (event));
- if (!gst_pad_push_event (pad, event)) {
- g_value_set_boolean (ret, FALSE);
- GST_WARNING_OBJECT (pad, "Sending event %p (%s) failed.",
- event, GST_EVENT_TYPE_NAME (event));
- } else {
- GST_LOG_OBJECT (pad, "Sent event %p (%s).",
- event, GST_EVENT_TYPE_NAME (event));
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
}
- return TRUE;
}
-/* forwards the event to all sinkpads, takes ownership of the
- * event
- *
- * Returns: TRUE if the event could be forwarded on all
- * sinkpads.
- */
static gboolean
-gst_gl_mixer_push_sink_event (GstGLMixer * mix, GstEvent * event)
+_clean_upload (GstAggregator * agg, GstPad * aggpad, gpointer udata)
{
- GstIterator *it;
- GValue vret = { 0 };
+ GstGLMixerPad *pad = GST_GL_MIXER_PAD (aggpad);
- GST_LOG_OBJECT (mix, "Forwarding event %p (%s)", event,
- GST_EVENT_TYPE_NAME (event));
-
- g_value_init (&vret, G_TYPE_BOOLEAN);
- g_value_set_boolean (&vret, TRUE);
- it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (mix));
- gst_iterator_fold (it, (GstIteratorFoldFunction) forward_event_func, &vret,
- event);
- gst_iterator_free (it);
- gst_event_unref (event);
+ if (pad->upload) {
+ gst_object_unref (pad->upload);
+ pad->upload = NULL;
+ }
- return g_value_get_boolean (&vret);
+ return TRUE;
}
-static GstFlowReturn
-gst_gl_mixer_sink_clip (GstCollectPads * pads,
- GstCollectData * data, GstBuffer * buf, GstBuffer ** outbuf,
- GstGLMixer * mix)
+static void
+_free_glmixer_frame_data (GstGLMixerFrameData * frame)
{
- GstGLMixerPad *pad = GST_GL_MIXER_PAD (data->pad);
- GstGLMixerCollect *mixcol = pad->mixcol;
- GstClockTime start_time, end_time;
-
- start_time = GST_BUFFER_TIMESTAMP (buf);
- if (start_time == -1) {
- GST_ERROR_OBJECT (pad, "Timestamped buffers required!");
- gst_buffer_unref (buf);
- return GST_FLOW_ERROR;
- }
-
- end_time = GST_BUFFER_DURATION (buf);
- if (end_time == -1)
- end_time =
- gst_util_uint64_scale_int (GST_SECOND,
- GST_VIDEO_INFO_FPS_D (&pad->in_info),
- GST_VIDEO_INFO_FPS_N (&pad->in_info));
- if (end_time == -1) {
- *outbuf = buf;
- return GST_FLOW_OK;
- }
-
- start_time = MAX (start_time, mixcol->collect.segment.start);
- start_time =
- gst_segment_to_running_time (&mixcol->collect.segment,
- GST_FORMAT_TIME, start_time);
-
- end_time += GST_BUFFER_TIMESTAMP (buf);
- if (mixcol->collect.segment.stop != -1)
- end_time = MIN (end_time, mixcol->collect.segment.stop);
- end_time =
- gst_segment_to_running_time (&mixcol->collect.segment,
- GST_FORMAT_TIME, end_time);
-
- /* Convert to the output segment rate */
- if (ABS (mix->segment.rate) != 1.0) {
- start_time *= ABS (mix->segment.rate);
- end_time *= ABS (mix->segment.rate);
- }
-
- if (mixcol->buffer != NULL && end_time < mixcol->end_time) {
- gst_buffer_unref (buf);
- *outbuf = NULL;
- return GST_FLOW_OK;
- }
-
- *outbuf = buf;
- return GST_FLOW_OK;
+ g_slice_free1 (sizeof (GstGLMixerFrameData), frame);
}
static gboolean
-gst_gl_mixer_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
+gst_gl_mixer_start (GstAggregator * agg)
{
- GstGLMixer *mix = GST_GL_MIXER (parent);
- gboolean result;
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_QOS:
- {
- GstQOSType type;
- GstClockTimeDiff diff;
- GstClockTime timestamp;
- gdouble proportion;
-
- gst_event_parse_qos (event, &type, &proportion, &diff, ×tamp);
-
- gst_gl_mixer_update_qos (mix, proportion, diff, timestamp);
-
- result = gst_gl_mixer_push_sink_event (mix, event);
- break;
- }
- case GST_EVENT_SEEK:
- {
- gdouble rate;
- GstFormat fmt;
- GstSeekFlags flags;
- GstSeekType start_type, stop_type;
- gint64 start, stop;
- GSList *l;
- gdouble abs_rate;
-
- /* parse the seek parameters */
- gst_event_parse_seek (event, &rate, &fmt, &flags, &start_type,
- &start, &stop_type, &stop);
-
- if (rate <= 0.0) {
- GST_ERROR_OBJECT (mix, "Negative rates not supported yet");
- result = FALSE;
- gst_event_unref (event);
- break;
- }
-
- GST_DEBUG_OBJECT (mix, "Handling SEEK event");
-
- /* check if we are flushing */
- if (flags & GST_SEEK_FLAG_FLUSH) {
- /* flushing seek, start flush downstream, the flush will be done
- * when all pads received a FLUSH_STOP. */
- gst_pad_push_event (mix->srcpad, gst_event_new_flush_start ());
-
- /* make sure we accept nothing anymore and return WRONG_STATE */
- gst_collect_pads_set_flushing (mix->collect, TRUE);
- }
-
- /* now wait for the collected to be finished and mark a new
- * segment */
- GST_COLLECT_PADS_STREAM_LOCK (mix->collect);
-
- abs_rate = ABS (rate);
-
- GST_GL_MIXER_LOCK (mix);
- for (l = mix->sinkpads; l; l = l->next) {
- GstGLMixerPad *p = l->data;
-
- if (flags & GST_SEEK_FLAG_FLUSH) {
- gst_buffer_replace (&p->mixcol->buffer, NULL);
- p->mixcol->start_time = p->mixcol->end_time = -1;
- continue;
- }
-
- /* Convert to the output segment rate */
- if (ABS (mix->segment.rate) != abs_rate) {
- if (ABS (mix->segment.rate) != 1.0 && p->mixcol->buffer) {
- p->mixcol->start_time /= ABS (mix->segment.rate);
- p->mixcol->end_time /= ABS (mix->segment.rate);
- }
- if (abs_rate != 1.0 && p->mixcol->buffer) {
- p->mixcol->start_time *= abs_rate;
- p->mixcol->end_time *= abs_rate;
- }
- }
- }
- GST_GL_MIXER_UNLOCK (mix);
-
- gst_segment_do_seek (&mix->segment, rate, fmt, flags, start_type, start,
- stop_type, stop, NULL);
- mix->segment.position = -1;
- mix->ts_offset = 0;
- mix->nframes = 0;
- mix->newseg_pending = TRUE;
-
- if (flags & GST_SEEK_FLAG_FLUSH) {
- gst_collect_pads_set_flushing (mix->collect, FALSE);
-
- /* we can't send FLUSH_STOP here since upstream could start pushing data
- * after we unlock mix->collect.
- * We set flush_stop_pending to TRUE instead and send FLUSH_STOP after
- * forwarding the seek upstream or from gst_gl_mixer_collected,
- * whichever happens first.
- */
- mix->flush_stop_pending = TRUE;
- }
+ guint i;
+ GstGLMixer *mix = GST_GL_MIXER (agg);
+ GstElement *element = GST_ELEMENT (agg);
- GST_COLLECT_PADS_STREAM_UNLOCK (mix->collect);
+ if (!GST_AGGREGATOR_CLASS (parent_class)->start (agg))
+ return FALSE;
- gst_gl_mixer_reset_qos (mix);
+ GST_OBJECT_LOCK (mix);
+ mix->array_buffers = g_ptr_array_new_full (element->numsinkpads,
+ (GDestroyNotify) _free_glmixer_frame_data);
+ mix->frames = g_ptr_array_new_full (element->numsinkpads, NULL);
- result = gst_gl_mixer_push_sink_event (mix, event);
+ g_ptr_array_set_size (mix->array_buffers, element->numsinkpads);
+ g_ptr_array_set_size (mix->frames, element->numsinkpads);
- if (g_atomic_int_compare_and_exchange (&mix->flush_stop_pending, TRUE,
- FALSE)) {
- GST_DEBUG_OBJECT (mix, "pending flush stop");
- gst_pad_push_event (mix->srcpad, gst_event_new_flush_stop (TRUE));
- }
+ for (i = 0; i < element->numsinkpads; i++)
+ mix->frames->pdata[i] = g_slice_new0 (GstGLMixerFrameData);
- break;
- }
- case GST_EVENT_NAVIGATION:
- /* navigation is rather pointless. */
- result = FALSE;
- gst_event_unref (event);
- break;
- default:
- /* just forward the rest for now */
- result = gst_gl_mixer_push_sink_event (mix, event);
- break;
- }
+ GST_OBJECT_UNLOCK (mix);
- return result;
+ return TRUE;
}
static gboolean
-gst_gl_mixer_sink_event (GstCollectPads * pads, GstCollectData * cdata,
- GstEvent * event, GstGLMixer * mix)
+gst_gl_mixer_stop (GstAggregator * agg)
{
- GstGLMixerPad *pad = GST_GL_MIXER_PAD (cdata->pad);
- gboolean ret = TRUE;
-
- GST_DEBUG_OBJECT (pad, "Got %s event on pad %s:%s",
- GST_EVENT_TYPE_NAME (event), GST_DEBUG_PAD_NAME (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_CAPS:
- {
- GstCaps *caps;
+ guint i;
+ GstGLMixer *mix = GST_GL_MIXER (agg);
+ GstGLMixerClass *mixer_class = GST_GL_MIXER_GET_CLASS (mix);
- gst_event_parse_caps (event, &caps);
- ret =
- gst_gl_mixer_pad_sink_setcaps (GST_PAD (pad), GST_OBJECT (mix), caps);
- gst_event_unref (event);
- event = NULL;
- break;
- }
- case GST_EVENT_SEGMENT:{
- GstSegment seg;
- gst_event_copy_segment (event, &seg);
+ if (!GST_AGGREGATOR_CLASS (parent_class)->stop (agg))
+ return FALSE;
- g_assert (seg.format == GST_FORMAT_TIME);
- break;
- }
- case GST_EVENT_FLUSH_STOP:
- mix->newseg_pending = TRUE;
- mix->flush_stop_pending = FALSE;
- gst_gl_mixer_reset_qos (mix);
- gst_buffer_replace (&pad->mixcol->buffer, NULL);
- pad->mixcol->start_time = -1;
- pad->mixcol->end_time = -1;
-
- gst_segment_init (&mix->segment, GST_FORMAT_TIME);
- mix->segment.position = -1;
- mix->ts_offset = 0;
- mix->nframes = 0;
- break;
- default:
- break;
+ GST_OBJECT_LOCK (agg);
+ for (i = 0; i < GST_ELEMENT (agg)->numsinkpads; i++) {
+ g_slice_free1 (sizeof (GstGLMixerFrameData), mix->frames->pdata[i]);
}
+ GST_OBJECT_UNLOCK (agg);
- if (event != NULL)
- return gst_collect_pads_event_default (pads, cdata, event, FALSE);
-
- return ret;
-}
-
-static void
-gst_gl_mixer_get_property (GObject * object,
- guint prop_id, GValue * value, GParamSpec * pspec)
-{
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
+ if (mixer_class->reset)
+ mixer_class->reset (mix);
+ if (mix->fbo) {
+ gst_gl_context_del_fbo (mix->context, mix->fbo, mix->depthbuffer);
+ mix->fbo = 0;
+ mix->depthbuffer = 0;
}
-}
-
-static void
-gst_gl_mixer_set_property (GObject * object,
- guint prop_id, const GValue * value, GParamSpec * pspec)
-{
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
+ if (mix->download) {
+ gst_object_unref (mix->download);
+ mix->download = NULL;
}
-}
-
-static GstStateChangeReturn
-gst_gl_mixer_change_state (GstElement * element, GstStateChange transition)
-{
- GstGLMixer *mix;
- GstStateChangeReturn ret;
- GstGLMixerClass *mixer_class;
-
- g_return_val_if_fail (GST_IS_GL_MIXER (element), GST_STATE_CHANGE_FAILURE);
-
- mix = GST_GL_MIXER (element);
- mixer_class = GST_GL_MIXER_GET_CLASS (mix);
-
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- {
- mix->send_stream_start = TRUE;
- mix->send_caps = TRUE;
- gst_caps_replace (&mix->current_caps, NULL);
- GST_LOG_OBJECT (mix, "starting collectpads");
- gst_collect_pads_start (mix->collect);
- break;
- }
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- {
- GSList *walk = mix->sinkpads;
-
- GST_LOG_OBJECT (mix, "stopping collectpads");
- gst_collect_pads_stop (mix->collect);
-
- if (mixer_class->reset)
- mixer_class->reset (mix);
- if (mix->fbo) {
- gst_gl_context_del_fbo (mix->context, mix->fbo, mix->depthbuffer);
- mix->fbo = 0;
- mix->depthbuffer = 0;
- }
- if (mix->download) {
- gst_object_unref (mix->download);
- mix->download = NULL;
- }
-
- while (walk) {
- GstGLMixerPad *pad = (GstGLMixerPad *) (walk->data);
-
- if (pad->upload) {
- gst_object_unref (pad->upload);
- pad->upload = NULL;
- }
- walk = walk->next;
- }
-
- if (mix->priv->query) {
- gst_query_unref (mix->priv->query);
- mix->priv->query = NULL;
- }
-
- if (mix->priv->pool) {
- gst_object_unref (mix->priv->pool);
- mix->priv->pool = NULL;
- }
+ gst_aggregator_iterate_sinkpads (GST_AGGREGATOR (mix), _clean_upload, NULL);
- if (mix->display) {
- gst_object_unref (mix->display);
- mix->display = NULL;
- }
+ if (mix->priv->query) {
+ gst_query_unref (mix->priv->query);
+ mix->priv->query = NULL;
+ }
- if (mix->context) {
- gst_object_unref (mix->context);
- mix->context = NULL;
- }
- break;
- }
- default:
- break;
+ if (mix->priv->pool) {
+ gst_object_unref (mix->priv->pool);
+ mix->priv->pool = NULL;
}
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+ if (mix->display) {
+ gst_object_unref (mix->display);
+ mix->display = NULL;
+ }
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- gst_gl_mixer_reset (mix);
- break;
- default:
- break;
+ if (mix->context) {
+ gst_object_unref (mix->context);
+ mix->context = NULL;
}
+ gst_gl_mixer_reset (mix);
- return ret;
+ return TRUE;
}