#endif
#include <gst/gst.h>
-#include <gst/base/gstcollectpads.h>
#include <gst/video/video.h>
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
#include "gstglmixer.h"
#if GST_GL_HAVE_PLATFORM_EGL
#endif
#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);
-
+G_DEFINE_ABSTRACT_TYPE (GstGLMixer, gst_gl_mixer, GST_TYPE_GL_BASE_MIXER);
#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 void gst_gl_mixer_pad_finalize (GObject * object);
-static GstBuffer *_default_pad_upload_buffer (GstGLMixer * mix,
- GstGLMixerFrameData * frame, GstBuffer * buffer);
-
-static void gst_gl_mixer_set_context (GstElement * element,
- GstContext * context);
enum
{
{
gboolean negotiated;
- GstBufferPool *pool;
- gboolean pool_active;
- GstAllocator *allocator;
- GstAllocationParams params;
- GstQuery *query;
-
gboolean gl_resource_ready;
GMutex gl_resource_lock;
GCond gl_resource_cond;
};
-G_DEFINE_TYPE (GstGLMixerPad, gst_gl_mixer_pad, GST_TYPE_VIDEO_AGGREGATOR_PAD);
+G_DEFINE_TYPE (GstGLMixerPad, gst_gl_mixer_pad, GST_TYPE_GL_BASE_MIXER_PAD);
static void
gst_gl_mixer_pad_class_init (GstGLMixerPadClass * klass)
vaggpad_class->set_info = NULL;
vaggpad_class->prepare_frame = NULL;
vaggpad_class->clean_frame = NULL;
-
- klass->upload_buffer = _default_pad_upload_buffer;
}
static void
gst_gl_mixer_pad_finalize (GObject * object)
{
- GstGLMixerPad *pad = GST_GL_MIXER_PAD (object);
-
- if (pad->upload) {
- gst_object_unref (pad->upload);
- pad->upload = NULL;
- }
-
G_OBJECT_CLASS (gst_gl_mixer_pad_parent_class)->finalize (object);
}
_negotiated_caps (GstVideoAggregator * vagg, GstCaps * caps)
{
GstGLMixer *mix = GST_GL_MIXER (vagg);
- gboolean ret = gst_gl_mixer_do_bufferpool (mix, caps);
+ gboolean ret;
- mix->priv->negotiated = ret;
+ mix->priv->negotiated = TRUE;
gst_caps_replace (&mix->out_caps, caps);
+ ret = GST_VIDEO_AGGREGATOR_CLASS (parent_class)->negotiated_caps (vagg, caps);
+
return ret;
}
static gboolean
-gst_gl_mixer_propose_allocation (GstGLMixer * mix,
- GstQuery * decide_query, GstQuery * query)
+gst_gl_mixer_propose_allocation (GstGLBaseMixer * base_mix,
+ GstGLBaseMixerPad * base_pad, GstQuery * decide_query, GstQuery * query)
{
- GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
- GstBufferPool *pool;
+ GstGLMixer *mix = GST_GL_MIXER (base_mix);
+ GstGLContext *context = base_mix->context;
+ GstBufferPool *pool = NULL;
GstStructure *config;
GstCaps *caps;
guint size = 0;
gboolean need_pool;
- GError *error = NULL;
- GstStructure *gl_context;
- gchar *platform, *gl_apis;
- gpointer handle;
- GstAllocator *allocator = NULL;
- GstAllocationParams params;
gst_query_parse_allocation (query, &caps, &need_pool);
if (caps == NULL)
goto no_caps;
- if ((pool = mix->priv->pool))
- gst_object_ref (pool);
-
- if (pool != NULL) {
- GstCaps *pcaps;
-
- /* we had a pool, check caps */
- GST_DEBUG_OBJECT (mix, "check existing pool caps");
- config = gst_buffer_pool_get_config (pool);
- gst_buffer_pool_config_get_params (config, &pcaps, &size, NULL, NULL);
-
- if (!gst_caps_is_equal (caps, pcaps)) {
- GST_DEBUG_OBJECT (mix, "pool has different caps");
- /* different caps, we can't use this pool */
- gst_object_unref (pool);
- pool = NULL;
- }
- gst_structure_free (config);
- }
-
- if (!gst_gl_ensure_element_data (mix, &mix->display, &mix->other_context))
- return FALSE;
-
- gst_gl_display_filter_gl_api (mix->display, mix_class->supported_gl_api);
-
- if (!mix->context) {
- mix->context = gst_gl_context_new (mix->display);
- if (!gst_gl_context_create (mix->context, mix->other_context, &error))
- goto context_error;
- }
-
- if (pool == NULL && need_pool) {
+ if (need_pool) {
GstVideoInfo info;
if (!gst_video_info_from_caps (&info, caps))
goto invalid_caps;
GST_DEBUG_OBJECT (mix, "create new pool");
- pool = gst_gl_buffer_pool_new (mix->context);
+ pool = gst_gl_buffer_pool_new (context);
/* the normal size of a frame */
size = info.size;
}
/* we also support various metadata */
- gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, 0);
- if (mix->context->gl_vtable->FenceSync)
+ if (context->gl_vtable->FenceSync)
gst_query_add_allocation_meta (query, GST_GL_SYNC_META_API_TYPE, 0);
- gl_apis = gst_gl_api_to_string (gst_gl_context_get_gl_api (mix->context));
- platform =
- gst_gl_platform_to_string (gst_gl_context_get_gl_platform (mix->context));
- handle = (gpointer) gst_gl_context_get_gl_context (mix->context);
-
- gl_context =
- gst_structure_new ("GstVideoGLTextureUploadMeta", "gst.gl.GstGLContext",
- GST_GL_TYPE_CONTEXT, mix->context, "gst.gl.context.handle",
- G_TYPE_POINTER, handle, "gst.gl.context.type", G_TYPE_STRING, platform,
- "gst.gl.context.apis", G_TYPE_STRING, gl_apis, NULL);
- gst_query_add_allocation_meta (query,
- GST_VIDEO_GL_TEXTURE_UPLOAD_META_API_TYPE, gl_context);
-
- g_free (gl_apis);
- g_free (platform);
- gst_structure_free (gl_context);
-
- gst_allocation_params_init (¶ms);
-
- allocator = gst_allocator_find (GST_GL_MEMORY_ALLOCATOR);
- gst_query_add_allocation_param (query, allocator, ¶ms);
- gst_object_unref (allocator);
-
return TRUE;
/* ERRORS */
GST_DEBUG_OBJECT (mix, "failed setting config");
return FALSE;
}
-context_error:
- {
- GST_ELEMENT_ERROR (mix, RESOURCE, NOT_FOUND, ("%s", error->message),
- (NULL));
- return FALSE;
- }
}
static gboolean
return ret;
}
-static GstCaps *
-gst_gl_mixer_set_caps_features (const GstCaps * caps,
- const gchar * feature_name)
-{
- GstCaps *tmp = gst_caps_copy (caps);
- guint n = gst_caps_get_size (tmp);
- guint i = 0;
-
- for (i = 0; i < n; i++) {
- GstCapsFeatures *features = gst_caps_get_features (tmp, i);
- if (features) {
- guint n_f = gst_caps_features_get_size (features);
- guint j = 0;
- for (j = 0; j < n_f; j++) {
- gst_caps_features_remove_id (features,
- gst_caps_features_get_nth_id (features, j));
- }
- }
-
- gst_caps_features_add (features, feature_name);
- gst_caps_set_simple (tmp, "format", G_TYPE_STRING, "RGBA", NULL);
- }
-
- return tmp;
-}
-
/* copies the given caps */
static GstCaps *
-gst_gl_mixer_caps_remove_format_info (GstCaps * caps)
-{
- GstStructure *st;
- GstCapsFeatures *f;
- gint i, n;
- GstCaps *res;
-
- res = gst_caps_new_empty ();
-
- n = gst_caps_get_size (caps);
- for (i = 0; i < n; i++) {
- st = gst_caps_get_structure (caps, i);
- f = gst_caps_get_features (caps, i);
-
- /* If this is already expressed by the existing caps
- * skip this structure */
- if (i > 0 && gst_caps_is_subset_structure_full (res, st, f))
- continue;
-
- st = gst_structure_copy (st);
- /* Only remove format info for the cases when we can actually convert */
- if (!gst_caps_features_is_any (f)
- && gst_caps_features_is_equal (f,
- GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY))
- gst_structure_remove_fields (st, "format", "colorimetry", "chroma-site",
- NULL);
- gst_structure_remove_fields (st, "width", "height", NULL);
-
- gst_caps_append_structure_full (res, st, gst_caps_features_copy (f));
- }
-
- return res;
-}
-
-GstCaps *
-gst_gl_mixer_update_caps (GstGLMixer * mix, GstCaps * caps)
+_update_caps (GstVideoAggregator * vagg, GstCaps * caps)
{
- GstCaps *result = NULL;
- GstCaps *glcaps = gst_gl_mixer_set_caps_features (caps,
+ return gst_gl_caps_replace_all_caps_features (caps,
GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
-#if GST_GL_HAVE_PLATFORM_EGL
- GstCaps *eglcaps = gst_gl_mixer_set_caps_features (caps,
- GST_CAPS_FEATURE_MEMORY_EGL_IMAGE);
-#endif
- GstCaps *uploadcaps = gst_gl_mixer_set_caps_features (caps,
- GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META);
- GstCaps *raw_caps =
- gst_caps_from_string (GST_VIDEO_CAPS_MAKE (GST_GL_COLOR_CONVERT_FORMATS));
-
- result = gst_caps_new_empty ();
-
- result = gst_caps_merge (result, glcaps);
-#if GST_GL_HAVE_PLATFORM_EGL
- result = gst_caps_merge (result, eglcaps);
-#endif
- result = gst_caps_merge (result, uploadcaps);
- result = gst_caps_merge (result, raw_caps);
-
- result = gst_caps_merge (result, gst_gl_mixer_caps_remove_format_info (caps));
-
- GST_DEBUG_OBJECT (mix, "returning %" GST_PTR_FORMAT, result);
-
- return result;
}
static GstCaps *
gst_gl_mixer_pad_sink_getcaps (GstPad * pad, GstGLMixer * mix, GstCaps * filter)
{
- GstCaps *srccaps;
+ GstCaps *sinkcaps;
GstCaps *template_caps;
GstCaps *filtered_caps;
GstCaps *returned_caps;
template_caps = gst_pad_get_pad_template_caps (pad);
- srccaps = gst_pad_get_current_caps (pad);
- if (srccaps == NULL) {
+ sinkcaps = gst_pad_get_current_caps (pad);
+ if (sinkcaps == NULL) {
had_current_caps = FALSE;
- srccaps = template_caps;
+ sinkcaps = template_caps;
} else {
- srccaps = gst_caps_merge (srccaps, gst_gl_mixer_update_caps (mix, srccaps));
+ sinkcaps = gst_caps_merge (sinkcaps, template_caps);
}
- filtered_caps = srccaps;
+ filtered_caps = sinkcaps;
if (filter)
- filtered_caps = gst_caps_intersect (srccaps, filter);
+ filtered_caps = gst_caps_intersect (sinkcaps, filter);
returned_caps = gst_caps_intersect (filtered_caps, template_caps);
if (filter)
{
gboolean ret = FALSE;
GstGLMixer *mix = GST_GL_MIXER (agg);
- GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
GST_TRACE ("QUERY %" GST_PTR_FORMAT, query);
ret = TRUE;
break;
}
- case GST_QUERY_ALLOCATION:
- {
- GstQuery *decide_query = NULL;
-
- GST_OBJECT_LOCK (mix);
- if (G_UNLIKELY (!mix->priv->negotiated)) {
- GST_DEBUG_OBJECT (mix,
- "not negotiated yet, can't answer ALLOCATION query");
- GST_OBJECT_UNLOCK (mix);
- return FALSE;
- }
- if ((decide_query = mix->priv->query))
- gst_query_ref (decide_query);
- GST_OBJECT_UNLOCK (mix);
-
- GST_DEBUG_OBJECT (mix,
- "calling propose allocation with query %" GST_PTR_FORMAT,
- decide_query);
-
- /* pass the query to the propose_allocation vmethod if any */
- ret = gst_gl_mixer_propose_allocation (mix, decide_query, query);
-
- if (decide_query)
- gst_query_unref (decide_query);
-
- GST_DEBUG_OBJECT (mix, "ALLOCATION ret %d, %" GST_PTR_FORMAT, ret, query);
- break;
- }
- case GST_QUERY_CONTEXT:
- {
- ret = gst_gl_handle_context_query ((GstElement *) mix, query,
- &mix->display, &mix->other_context);
- if (mix->display)
- gst_gl_display_filter_gl_api (mix->display,
- mix_class->supported_gl_api);
- break;
- }
default:
ret = GST_AGGREGATOR_CLASS (parent_class)->sink_query (agg, bpad, query);
break;
enum
{
PROP_0,
- PROP_CONTEXT
};
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_GL_MEMORY,
- "RGBA") "; "
- GST_VIDEO_CAPS_MAKE_WITH_FEATURES
- (GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META,
- "RGBA")
- "; " GST_VIDEO_CAPS_MAKE (GST_GL_COLOR_CONVERT_FORMATS))
+ "RGBA"))
);
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink_%u",
GST_PAD_REQUEST,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_GL_MEMORY,
- "RGBA") "; "
- GST_VIDEO_CAPS_MAKE_WITH_FEATURES
- (GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META,
- "RGBA")
- "; " GST_VIDEO_CAPS_MAKE (GST_GL_COLOR_CONVERT_FORMATS))
+ "RGBA"))
);
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 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);
static void gst_gl_mixer_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-static gboolean gst_gl_mixer_decide_allocation (GstGLMixer * mix,
+static gboolean gst_gl_mixer_decide_allocation (GstGLBaseMixer * mix,
GstQuery * query);
-static gboolean gst_gl_mixer_set_allocation (GstGLMixer * mix,
- GstBufferPool * pool, GstAllocator * allocator,
- GstAllocationParams * params, GstQuery * query);
static void gst_gl_mixer_finalize (GObject * object);
static void
gst_gl_mixer_class_init (GstGLMixerClass * klass)
{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
-
+ GObjectClass *gobject_class = (GObjectClass *) klass;
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstVideoAggregatorClass *videoaggregator_class =
(GstVideoAggregatorClass *) klass;
GstAggregatorClass *agg_class = (GstAggregatorClass *) klass;
+ GstGLBaseMixerClass *mix_class = GST_GL_BASE_MIXER_CLASS (klass);;
- GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "glmixer", 0, "opengl mixer");
-
- gobject_class = (GObjectClass *) klass;
- element_class = GST_ELEMENT_CLASS (klass);
+ GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "glmixer", 0, "OpenGL mixer");
g_type_class_add_private (klass, sizeof (GstGLMixerPrivate));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
- 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->aggregate_frames = gst_gl_mixer_aggregate_frames;
videoaggregator_class->get_output_buffer = gst_gl_mixer_get_output_buffer;
videoaggregator_class->negotiated_caps = _negotiated_caps;
+ videoaggregator_class->update_caps = _update_caps;
videoaggregator_class->find_best_format = NULL;
- g_object_class_install_property (gobject_class, PROP_CONTEXT,
- g_param_spec_object ("context",
- "OpenGL context",
- "Get OpenGL context",
- GST_GL_TYPE_CONTEXT, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+ mix_class->propose_allocation = gst_gl_mixer_propose_allocation;
+ mix_class->decide_allocation = gst_gl_mixer_decide_allocation;
/* Register the pad class */
g_type_class_ref (GST_TYPE_GL_MIXER_PAD);
klass->set_caps = NULL;
- klass->supported_gl_api = GST_GL_API_ANY;
}
static void
gst_gl_mixer_reset (GstGLMixer * mix)
{
- /* clean up collect data */
mix->priv->negotiated = FALSE;
}
{
mix->priv = GST_GL_MIXER_GET_PRIVATE (mix);
mix->array_buffers = 0;
- mix->display = NULL;
mix->fbo = 0;
mix->depthbuffer = 0;
GstGLMixer *mix = GST_GL_MIXER (object);
GstGLMixerPrivate *priv = mix->priv;
- if (mix->other_context) {
- gst_object_unref (mix->other_context);
- mix->other_context = NULL;
- }
-
g_mutex_clear (&priv->gl_resource_lock);
g_cond_clear (&priv->gl_resource_cond);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
-static void
-gst_gl_mixer_set_context (GstElement * element, GstContext * context)
-{
- GstGLMixer *mix = GST_GL_MIXER (element);
- GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
-
- gst_gl_handle_set_context (element, context, &mix->display,
- &mix->other_context);
-
- if (mix->display)
- gst_gl_display_filter_gl_api (mix->display, mix_class->supported_gl_api);
-}
-
-static gboolean
-gst_gl_mixer_activate (GstGLMixer * mix, gboolean active)
-{
- GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
- gboolean result = TRUE;
-
- if (active) {
- if (!gst_gl_ensure_element_data (mix, &mix->display, &mix->other_context))
- return FALSE;
-
- gst_gl_display_filter_gl_api (mix->display, mix_class->supported_gl_api);
- }
-
- return result;
-}
-
-static gboolean
-gst_gl_mixer_src_activate_mode (GstAggregator * aggregator, GstPadMode mode,
- gboolean active)
-{
- GstGLMixer *mix;
- gboolean result = FALSE;
-
- mix = GST_GL_MIXER (aggregator);
-
- switch (mode) {
- case GST_PAD_MODE_PUSH:
- case GST_PAD_MODE_PULL:
- result = gst_gl_mixer_activate (mix, active);
- break;
- default:
- result = TRUE;
- break;
- }
- return result;
-}
-
static gboolean
gst_gl_mixer_query_caps (GstPad * pad, GstAggregator * agg, GstQuery * query)
{
- GstCaps *filter, *current_caps, *retcaps;
+ GstCaps *filter, *current_caps, *retcaps, *template_caps;
gst_query_parse_caps (query, &filter);
+ template_caps = gst_pad_get_pad_template_caps (agg->srcpad);
+
current_caps = gst_pad_get_current_caps (pad);
if (current_caps == NULL)
- current_caps = gst_pad_get_pad_template_caps (agg->srcpad);
-
- retcaps = gst_gl_mixer_caps_remove_format_info (current_caps);
- gst_caps_unref (current_caps);
+ retcaps = gst_caps_ref (template_caps);
+ else {
+ retcaps = gst_caps_merge (current_caps, template_caps);
+ template_caps = NULL;
+ }
- if (filter)
- retcaps =
+ if (filter) {
+ current_caps =
gst_caps_intersect_full (filter, retcaps, GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (retcaps);
+ retcaps = current_caps;
+ }
gst_query_set_caps_result (query, retcaps);
gst_caps_unref (retcaps);
+ if (template_caps)
+ gst_caps_unref (template_caps);
+
return TRUE;
}
gst_gl_mixer_src_query (GstAggregator * agg, GstQuery * query)
{
gboolean res = FALSE;
- GstGLMixer *mix = GST_GL_MIXER (agg);
- GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONTEXT:
- {
- res = gst_gl_handle_context_query ((GstElement *) mix, query,
- &mix->display, &mix->other_context);
- if (mix->display)
- gst_gl_display_filter_gl_api (mix->display,
- mix_class->supported_gl_api);
- break;
- }
case GST_QUERY_CAPS:
res = gst_gl_mixer_query_caps (agg->srcpad, agg, query);
break;
GstBuffer ** outbuf)
{
GstGLMixer *mix = GST_GL_MIXER (videoaggregator);
+ GstBufferPool *pool;
+ GstFlowReturn ret;
- if (!mix->priv->pool_active) {
- if (!gst_buffer_pool_set_active (mix->priv->pool, TRUE)) {
+ 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;
}
- mix->priv->pool_active = TRUE;
}
- return gst_buffer_pool_acquire_buffer (mix->priv->pool, outbuf, NULL);
+ ret = gst_buffer_pool_acquire_buffer (pool, outbuf, NULL);
+ gst_object_unref (pool);
+
+ return ret;
}
static gboolean
-gst_gl_mixer_decide_allocation (GstGLMixer * mix, GstQuery * query)
+gst_gl_mixer_decide_allocation (GstGLBaseMixer * base_mix, GstQuery * query)
{
+ GstGLMixer *mix = GST_GL_MIXER (base_mix);
GstGLMixerClass *mixer_class = GST_GL_MIXER_GET_CLASS (mix);
+ GstVideoAggregator *vagg = GST_VIDEO_AGGREGATOR (mix);
+ GstGLContext *context = base_mix->context;
GstBufferPool *pool = NULL;
GstStructure *config;
GstCaps *caps;
guint min, max, size;
gboolean update_pool;
GError *error = NULL;
- guint idx;
guint out_width, out_height;
- GstGLContext *other_context = NULL;
- GstVideoAggregator *vagg = GST_VIDEO_AGGREGATOR (mix);
- gboolean same_downstream_gl_context = FALSE;
-
- if (!gst_gl_ensure_element_data (mix, &mix->display, &mix->other_context))
- return FALSE;
-
- gst_gl_display_filter_gl_api (mix->display, mixer_class->supported_gl_api);
-
- if (gst_query_find_allocation_meta (query,
- GST_VIDEO_GL_TEXTURE_UPLOAD_META_API_TYPE, &idx)) {
- GstGLContext *context;
- const GstStructure *upload_meta_params;
- gpointer handle;
- gchar *type;
- gchar *apis;
-
- gst_query_parse_nth_allocation_meta (query, idx, &upload_meta_params);
- if (upload_meta_params) {
- if (gst_structure_get (upload_meta_params, "gst.gl.GstGLContext",
- GST_GL_TYPE_CONTEXT, &context, NULL) && context) {
- GstGLContext *old = mix->context;
-
- mix->context = context;
- if (old)
- gst_object_unref (old);
- same_downstream_gl_context = TRUE;
- } else if (gst_structure_get (upload_meta_params, "gst.gl.context.handle",
- G_TYPE_POINTER, &handle, "gst.gl.context.type", G_TYPE_STRING,
- &type, "gst.gl.context.apis", G_TYPE_STRING, &apis, NULL)
- && handle) {
- GstGLPlatform platform;
- GstGLAPI gl_apis;
-
- GST_DEBUG ("got GL context handle 0x%p with type %s and apis %s",
- handle, type, apis);
-
- platform = gst_gl_platform_from_string (type);
- gl_apis = gst_gl_api_from_string (apis);
-
- if (gl_apis && platform)
- other_context =
- gst_gl_context_new_wrapped (mix->display, (guintptr) handle,
- platform, gl_apis);
- }
- }
- }
-
- if (mix->other_context) {
- if (!other_context) {
- other_context = mix->other_context;
- } else {
- GST_ELEMENT_WARNING (mix, LIBRARY, SETTINGS,
- ("%s", "Cannot share with more than one GL context"),
- ("%s", "Cannot share with more than one GL context"));
- }
- }
-
- if (!mix->context) {
- mix->context = gst_gl_context_new (mix->display);
- if (!gst_gl_context_create (mix->context, other_context, &error))
- goto context_error;
- }
out_width = GST_VIDEO_INFO_WIDTH (&vagg->info);
out_height = GST_VIDEO_INFO_HEIGHT (&vagg->info);
g_mutex_lock (&mix->priv->gl_resource_lock);
mix->priv->gl_resource_ready = FALSE;
if (mix->fbo) {
- gst_gl_context_del_fbo (mix->context, mix->fbo, mix->depthbuffer);
+ gst_gl_context_del_fbo (context, mix->fbo, mix->depthbuffer);
mix->fbo = 0;
mix->depthbuffer = 0;
}
- if (!gst_gl_context_gen_fbo (mix->context, out_width, out_height,
+ if (!gst_gl_context_gen_fbo (context, out_width, out_height,
&mix->fbo, &mix->depthbuffer)) {
g_cond_signal (&mix->priv->gl_resource_cond);
g_mutex_unlock (&mix->priv->gl_resource_lock);
goto context_error;
}
- if (mix->out_tex_id)
- gst_gl_context_del_texture (mix->context, &mix->out_tex_id);
- gst_gl_context_gen_texture (mix->context, &mix->out_tex_id,
- GST_VIDEO_FORMAT_RGBA, out_width, out_height);
-
gst_query_parse_allocation (query, &caps, NULL);
if (mixer_class->set_caps)
update_pool = FALSE;
}
- if (!pool || (!same_downstream_gl_context
- && gst_query_find_allocation_meta (query, GST_GL_SYNC_META_API_TYPE,
- NULL)
- && !gst_buffer_pool_has_option (pool,
- GST_BUFFER_POOL_OPTION_GL_SYNC_META))) {
- /* can't use this pool */
- if (pool)
- gst_object_unref (pool);
- pool = gst_gl_buffer_pool_new (mix->context);
- }
+ if (!pool)
+ pool = gst_gl_buffer_pool_new (context);
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, size, min, max);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
- if (gst_query_find_allocation_meta (query, GST_GL_SYNC_META_API_TYPE, NULL))
- gst_buffer_pool_config_add_option (config,
- GST_BUFFER_POOL_OPTION_GL_SYNC_META);
- gst_buffer_pool_config_add_option (config,
- GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META);
gst_buffer_pool_set_config (pool, config);
}
}
-/* takes ownership of the pool, allocator and query */
-static gboolean
-gst_gl_mixer_set_allocation (GstGLMixer * mix,
- GstBufferPool * pool, GstAllocator * allocator,
- GstAllocationParams * params, GstQuery * query)
-{
- GstAllocator *oldalloc;
- GstBufferPool *oldpool;
- GstQuery *oldquery;
- GstGLMixerPrivate *priv = mix->priv;
-
- GST_DEBUG ("storing allocation query");
-
- GST_OBJECT_LOCK (mix);
- oldpool = priv->pool;
- priv->pool = pool;
- priv->pool_active = FALSE;
-
- oldalloc = priv->allocator;
- priv->allocator = allocator;
-
- oldquery = priv->query;
- priv->query = query;
-
- if (params)
- priv->params = *params;
- else
- gst_allocation_params_init (&priv->params);
- GST_OBJECT_UNLOCK (mix);
-
- if (oldpool) {
- GST_DEBUG_OBJECT (mix, "deactivating old pool %p", oldpool);
- gst_buffer_pool_set_active (oldpool, FALSE);
- gst_object_unref (oldpool);
- }
- if (oldalloc) {
- gst_object_unref (oldalloc);
- }
- if (oldquery) {
- gst_query_unref (oldquery);
- }
- return TRUE;
-}
-
-static gboolean
-gst_gl_mixer_do_bufferpool (GstGLMixer * mix, GstCaps * outcaps)
-{
- GstQuery *query;
- gboolean result = TRUE;
- 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 (agg->srcpad, query)) {
- /* not a problem, just debug a little */
- GST_DEBUG_OBJECT (mix, "peer ALLOCATION query failed");
- }
-
- GST_DEBUG_OBJECT (mix, "calling decide_allocation");
- result = gst_gl_mixer_decide_allocation (mix, query);
-
- GST_DEBUG_OBJECT (mix, "ALLOCATION (%d) params: %" GST_PTR_FORMAT, result,
- query);
-
- if (!result)
- goto no_decide_allocation;
-
- /* we got configuration from our peer or the decide_allocation method,
- * parse them */
- if (gst_query_get_n_allocation_params (query) > 0) {
- gst_query_parse_nth_allocation_param (query, 0, &allocator, ¶ms);
- } else {
- allocator = NULL;
- gst_allocation_params_init (¶ms);
- }
-
- if (gst_query_get_n_allocation_pools (query) > 0)
- gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL);
-
- /* now store */
- result = gst_gl_mixer_set_allocation (mix, pool, allocator, ¶ms, query);
-
- return result;
-
- /* Errors */
-no_decide_allocation:
- {
- GST_WARNING_OBJECT (mix, "Failed to decide allocation");
- gst_query_unref (query);
-
- return result;
- }
-}
-
-static GstBuffer *
-_default_pad_upload_buffer (GstGLMixer * mix, GstGLMixerFrameData * frame,
- GstBuffer * buffer)
-{
- GstVideoAggregatorPad *vaggpad = GST_VIDEO_AGGREGATOR_PAD (frame->pad);
- GstGLMixerPad *pad = frame->pad;
- GstBuffer *uploaded_buf, *gl_buffer;
- GstCaps *gl_caps;
- GstCapsFeatures *gl_features;
- GstVideoInfo gl_info;
- GstVideoFrame gl_frame;
- GstGLSyncMeta *sync_meta;
-
- gst_video_info_set_format (&gl_info,
- GST_VIDEO_FORMAT_RGBA,
- GST_VIDEO_INFO_WIDTH (&vaggpad->info),
- GST_VIDEO_INFO_HEIGHT (&vaggpad->info));
- gl_features =
- gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
-
- gl_caps = gst_video_info_to_caps (&gl_info);
- gst_caps_set_features (gl_caps, 0, gst_caps_features_copy (gl_features));
-
- if (!pad->upload) {
- GstCaps *in_caps = gst_pad_get_current_caps (GST_PAD (pad));
- GstCaps *upload_caps = gst_caps_copy (in_caps);
-
- pad->upload = gst_gl_upload_new (mix->context);
-
- gst_caps_set_features (upload_caps, 0,
- gst_caps_features_copy (gl_features));
- gst_gl_upload_set_caps (pad->upload, in_caps, upload_caps);
-
- if (!pad->convert) {
- pad->convert = gst_gl_color_convert_new (mix->context);
-
- gst_gl_color_convert_set_caps (pad->convert, upload_caps, gl_caps);
- }
-
- gst_caps_unref (upload_caps);
- gst_caps_unref (in_caps);
- }
-
- gst_caps_features_free (gl_features);
- gst_caps_unref (gl_caps);
-
- sync_meta = gst_buffer_get_gl_sync_meta (vaggpad->buffer);
- if (sync_meta)
- gst_gl_sync_meta_wait (sync_meta);
-
- if (gst_gl_upload_perform_with_buffer (pad->upload,
- vaggpad->buffer, &uploaded_buf) != GST_GL_UPLOAD_DONE) {
- return NULL;
- }
-
- if (!(gl_buffer = gst_gl_color_convert_perform (pad->convert, uploaded_buf))) {
- gst_buffer_unref (uploaded_buf);
- return NULL;
- }
-
- if (!gst_video_frame_map (&gl_frame, &gl_info, gl_buffer,
- GST_MAP_READ | GST_MAP_GL)) {
- gst_buffer_unref (uploaded_buf);
- gst_buffer_unref (gl_buffer);
- return NULL;
- }
-
- frame->texture = *(guint *) gl_frame.data[0];
-
- gst_buffer_unref (uploaded_buf);
- gst_video_frame_unmap (&gl_frame);
-
- return gl_buffer;
-}
-
gboolean
gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
{
GstVideoAggregator *vagg = GST_VIDEO_AGGREGATOR (mix);
GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
GstGLMixerPrivate *priv = mix->priv;
- gboolean to_download =
- gst_caps_features_is_equal (GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY,
- gst_caps_get_features (mix->out_caps, 0));
- GstMapFlags out_map_flags = GST_MAP_WRITE;
GST_TRACE ("Processing buffers");
- to_download |= !gst_is_gl_memory (gst_buffer_peek_memory (outbuf, 0));
-
- if (!to_download)
- out_map_flags |= GST_MAP_GL;
-
- if (!gst_video_frame_map (&out_frame, &vagg->info, outbuf, out_map_flags)) {
+ if (!gst_video_frame_map (&out_frame, &vagg->info, outbuf,
+ GST_MAP_WRITE | GST_MAP_GL)) {
return FALSE;
}
- if (!to_download) {
- out_tex = *(guint *) out_frame.data[0];
- } else {
- GST_INFO ("Output Buffer does not contain correct memory, "
- "attempting to wrap for download");
-
- if (!mix->download)
- mix->download = gst_gl_download_new (mix->context);
-
- gst_gl_download_set_format (mix->download, &out_frame.info);
- out_tex = mix->out_tex_id;
- }
+ out_tex = *(guint *) out_frame.data[0];
GST_OBJECT_LOCK (mix);
walk = element->sinkpads;
mix->frames->pdata[i] = g_slice_new0 (GstGLMixerFrameData);
while (walk) {
GstGLMixerPad *pad = GST_GL_MIXER_PAD (walk->data);
- GstGLMixerPadClass *pad_class = GST_GL_MIXER_PAD_GET_CLASS (pad);
GstVideoAggregatorPad *vaggpad = walk->data;
GstGLMixerFrameData *frame;
walk = g_list_next (walk);
if (vaggpad->buffer != NULL) {
- g_assert (pad_class->upload_buffer);
-
- if (pad->gl_buffer)
- gst_buffer_unref (pad->gl_buffer);
- pad->gl_buffer = pad_class->upload_buffer (mix, frame, vaggpad->buffer);
-
- GST_DEBUG_OBJECT (pad,
- "uploaded buffer %" GST_PTR_FORMAT " from buffer %" GST_PTR_FORMAT,
- pad->gl_buffer, vaggpad->buffer);
+ GstVideoInfo gl_info;
+ GstVideoFrame gl_frame;
+ GstGLSyncMeta *sync_meta;
+
+ gst_video_info_set_format (&gl_info,
+ GST_VIDEO_FORMAT_RGBA,
+ GST_VIDEO_INFO_WIDTH (&vaggpad->info),
+ GST_VIDEO_INFO_HEIGHT (&vaggpad->info));
+
+ sync_meta = gst_buffer_get_gl_sync_meta (vaggpad->buffer);
+ if (sync_meta)
+ gst_gl_sync_meta_wait (sync_meta, GST_GL_BASE_MIXER (mix)->context);
+
+ if (gst_video_frame_map (&gl_frame, &gl_info, vaggpad->buffer,
+ GST_MAP_READ | GST_MAP_GL)) {
+ frame->texture = *(guint *) gl_frame.data[0];
+ gst_video_frame_unmap (&gl_frame);
+ }
}
++array_index;
g_mutex_unlock (&priv->gl_resource_lock);
- if (to_download) {
- if (!gst_gl_download_perform_with_data (mix->download, out_tex,
- out_frame.data)) {
- GST_ELEMENT_ERROR (mix, RESOURCE, NOT_FOUND, ("%s",
- "Failed to download video frame"), (NULL));
- res = FALSE;
- goto out;
- }
- }
-
out:
- i = 0;
- walk = GST_ELEMENT (mix)->sinkpads;
- while (walk) {
- GstGLMixerPad *pad = GST_GL_MIXER_PAD (walk->data);
-
- if (pad->upload)
- gst_gl_upload_release_buffer (pad->upload);
-
- walk = g_list_next (walk);
- i++;
- }
GST_OBJECT_UNLOCK (mix);
gst_video_frame_unmap (&out_frame);
return mix_class->process_buffers (mix, mix->array_buffers, outbuf);
}
-
-
static GstFlowReturn
gst_gl_mixer_aggregate_frames (GstVideoAggregator * vagg, GstBuffer * outbuf)
{
gboolean res = FALSE;
GstGLMixer *mix = GST_GL_MIXER (vagg);
GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (vagg);
+ GstGLContext *context = GST_GL_BASE_MIXER (mix)->context;
GstGLSyncMeta *sync_meta;
if (mix_class->process_buffers)
sync_meta = gst_buffer_get_gl_sync_meta (outbuf);
if (sync_meta)
- gst_gl_sync_meta_set_sync_point (sync_meta, mix->context);
+ gst_gl_sync_meta_set_sync_point (sync_meta, context);
return res ? GST_FLOW_OK : GST_FLOW_ERROR;
}
gst_gl_mixer_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
- GstGLMixer *mixer = GST_GL_MIXER (object);
-
switch (prop_id) {
- case PROP_CONTEXT:
- g_value_set_object (value, mixer->context);
- break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
-static gboolean
-_clean_upload (GstAggregator * agg, GstAggregatorPad * aggpad, gpointer udata)
-{
- GstGLMixerPad *pad = GST_GL_MIXER_PAD (aggpad);
-
- if (pad->gl_buffer) {
- gst_buffer_unref (pad->gl_buffer);
- pad->gl_buffer = NULL;
- }
-
- if (pad->upload) {
- gst_object_unref (pad->upload);
- pad->upload = NULL;
- }
-
- if (pad->convert) {
- gst_object_unref (pad->convert);
- pad->convert = NULL;
- }
-
- return TRUE;
-}
-
static void
_free_glmixer_frame_data (GstGLMixerFrameData * frame)
{
GST_OBJECT_UNLOCK (mix);
- return TRUE;
+ return GST_AGGREGATOR_CLASS (parent_class)->start (agg);
}
static gboolean
{
GstGLMixer *mix = GST_GL_MIXER (agg);
GstGLMixerClass *mixer_class = GST_GL_MIXER_GET_CLASS (mix);
+ GstGLContext *context = GST_GL_BASE_MIXER (mix)->context;
GST_OBJECT_LOCK (agg);
g_ptr_array_free (mix->frames, TRUE);
if (mixer_class->reset)
mixer_class->reset (mix);
if (mix->fbo) {
- gst_gl_context_del_fbo (mix->context, mix->fbo, mix->depthbuffer);
+ gst_gl_context_del_fbo (context, mix->fbo, mix->depthbuffer);
mix->fbo = 0;
mix->depthbuffer = 0;
}
- if (mix->download) {
- gst_object_unref (mix->download);
- mix->download = NULL;
- }
-
- gst_aggregator_iterate_sinkpads (GST_AGGREGATOR (mix), _clean_upload, NULL);
-
- 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;
- }
-
- if (mix->display) {
- gst_object_unref (mix->display);
- mix->display = NULL;
- }
-
- if (mix->context) {
- gst_object_unref (mix->context);
- mix->context = NULL;
- }
gst_gl_mixer_reset (mix);
- return TRUE;
+ return GST_AGGREGATOR_CLASS (parent_class)->stop (agg);
}