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videoaggregator: Get the buffer from the pool if available

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=746529
This commit is contained in:
Olivier Crête 2017-05-20 17:25:16 +02:00
parent 12197e4bb5
commit 31bbfd6773
4 changed files with 56 additions and 56 deletions
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14
ext/gl/gstglbasemixer.c
View file

@ -580,20 +580,6 @@ no_decide_allocation:
}
}
GstBufferPool *
gst_gl_base_mixer_get_buffer_pool (GstGLBaseMixer * mix)
{
GstBufferPool *pool;
GST_OBJECT_LOCK (mix);
pool = mix->priv->pool;
if (pool)
gst_object_ref (pool);
GST_OBJECT_UNLOCK (mix);
return pool;
}
static void
gst_gl_base_mixer_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)

2
ext/gl/gstglbasemixer.h
View file

@ -99,7 +99,5 @@ struct _GstGLBaseMixerClass
GType gst_gl_base_mixer_get_type(void);
GstBufferPool *gst_gl_base_mixer_get_buffer_pool (GstGLBaseMixer * mix);
G_END_DECLS
#endif /* __GST_GL_BASE_MIXER_H__ */

31
ext/gl/gstglmixer.c
View file

@ -322,8 +322,6 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink_%u",
);
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_stop (GstAggregator * agg);
static gboolean gst_gl_mixer_start (GstAggregator * agg);
@ -371,7 +369,6 @@ gst_gl_mixer_class_init (GstGLMixerClass * klass)
agg_class->negotiated_src_caps = _negotiated_caps;
videoaggregator_class->aggregate_frames = gst_gl_mixer_aggregate_frames;
videoaggregator_class->get_output_buffer = gst_gl_mixer_get_output_buffer;
videoaggregator_class->find_best_format = _find_best_format;
mix_class->propose_allocation = gst_gl_mixer_propose_allocation;
@ -465,34 +462,6 @@ gst_gl_mixer_src_query (GstAggregator * agg, GstQuery * query)
return res;
}
static GstFlowReturn
gst_gl_mixer_get_output_buffer (GstVideoAggregator * videoaggregator,
GstBuffer ** outbuf)
{
GstGLMixer *mix = GST_GL_MIXER (videoaggregator);
GstBufferPool *pool;
GstFlowReturn ret;
pool =
gst_gl_base_mixer_get_buffer_pool (GST_GL_BASE_MIXER (videoaggregator));
if (!pool)
return GST_FLOW_NOT_NEGOTIATED;
if (!gst_buffer_pool_is_active (pool)) {
if (!gst_buffer_pool_set_active (pool, TRUE)) {
GST_ELEMENT_ERROR (mix, RESOURCE, SETTINGS,
("failed to activate bufferpool"), ("failed to activate bufferpool"));
return GST_FLOW_ERROR;
}
}
ret = gst_buffer_pool_acquire_buffer (pool, outbuf, NULL);
gst_object_unref (pool);
return ret;
}
static void
_mixer_create_fbo (GstGLContext * context, GstGLMixer * mix)
{

65
gst-libs/gst/video/gstvideoaggregator.c
View file

@ -1897,22 +1897,68 @@ gst_video_aggregator_release_pad (GstElement * element, GstPad * pad)
return;
}
static gboolean
gst_video_aggregator_decide_allocation (GstAggregator * self, GstQuery * query)
{
GstAllocationParams params = { 0, 15, 0, 0 };
guint i;
if (gst_query_get_n_allocation_params (query) == 0)
gst_query_add_allocation_param (query, NULL, &params);
else
for (i = 0; i < gst_query_get_n_allocation_params (query); i++) {
GstAllocator *allocator;
gst_query_parse_nth_allocation_param (query, i, &allocator, &params);
params.align = MAX (params.align, 15);
gst_query_set_nth_allocation_param (query, i, allocator, &params);
}
return TRUE;
}
static GstFlowReturn
gst_video_aggregator_get_output_buffer (GstVideoAggregator * videoaggregator,
GstBuffer ** outbuf)
{
guint outsize;
static GstAllocationParams params = { 0, 15, 0, 0, };
GstAggregator *aggregator = GST_AGGREGATOR (videoaggregator);
GstBufferPool *pool;
GstFlowReturn ret = GST_FLOW_OK;
outsize = GST_VIDEO_INFO_SIZE (&videoaggregator->info);
*outbuf = gst_buffer_new_allocate (NULL, outsize, &params);
pool = gst_aggregator_get_buffer_pool (aggregator);
if (*outbuf == NULL) {
GST_ERROR_OBJECT (videoaggregator,
"Could not instantiate buffer of size: %d", outsize);
if (pool) {
if (!gst_buffer_pool_is_active (pool)) {
if (!gst_buffer_pool_set_active (pool, TRUE)) {
GST_ELEMENT_ERROR (videoaggregator, RESOURCE, SETTINGS,
("failed to activate bufferpool"),
("failed to activate bufferpool"));
return GST_FLOW_ERROR;
}
}
ret = gst_buffer_pool_acquire_buffer (pool, outbuf, NULL);
gst_object_unref (pool);
} else {
guint outsize;
GstAllocator *allocator;
GstAllocationParams params;
gst_aggregator_get_allocator (aggregator, &allocator, &params);
outsize = GST_VIDEO_INFO_SIZE (&videoaggregator->info);
*outbuf = gst_buffer_new_allocate (allocator, outsize, &params);
if (allocator)
gst_object_unref (allocator);
if (*outbuf == NULL) {
GST_ELEMENT_ERROR (videoaggregator, RESOURCE, NO_SPACE_LEFT,
(NULL), ("Could not acquire buffer of size: %d", outsize));
ret = GST_FLOW_ERROR;
}
}
return GST_FLOW_OK;
return ret;
}
static gboolean
@ -2090,6 +2136,7 @@ gst_video_aggregator_class_init (GstVideoAggregatorClass * klass)
agg_class->fixate_src_caps = gst_video_aggregator_default_fixate_src_caps;
agg_class->negotiated_src_caps =
gst_video_aggregator_default_negotiated_src_caps;
agg_class->decide_allocation = gst_video_aggregator_decide_allocation;
klass->find_best_format = gst_video_aggregator_find_best_format;
klass->get_output_buffer = gst_video_aggregator_get_output_buffer;