mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-04-27 07:24:51 +00:00
eglglessink: move GstEGLImageBufferPool to gstegl lib
https://bugzilla.gnome.org/show_bug.cgi?id=706054
This commit is contained in:
parent
968dcf28b5
commit
966fb81db0
3 changed files with 292 additions and 270 deletions
|
@ -217,64 +217,6 @@ static GstFlowReturn gst_eglglessink_queue_object (GstEglGlesSink * sink,
|
|||
static inline gboolean egl_init (GstEglGlesSink * eglglessink);
|
||||
|
||||
#ifndef HAVE_IOS
|
||||
typedef GstBuffer *(*GstEGLImageBufferPoolSendBlockingAllocate) (GstBufferPool *
|
||||
pool, gpointer data);
|
||||
|
||||
/* EGLImage memory, buffer pool, etc */
|
||||
typedef struct
|
||||
{
|
||||
GstVideoBufferPool parent;
|
||||
|
||||
GstAllocator *allocator;
|
||||
GstAllocationParams params;
|
||||
GstVideoInfo info;
|
||||
gboolean add_metavideo;
|
||||
gboolean want_eglimage;
|
||||
GstBuffer *last_buffer;
|
||||
GstEGLImageBufferPoolSendBlockingAllocate send_blocking_allocate_func;
|
||||
gpointer send_blocking_allocate_data;
|
||||
GDestroyNotify send_blocking_allocate_destroy;
|
||||
} GstEGLImageBufferPool;
|
||||
|
||||
typedef GstVideoBufferPoolClass GstEGLImageBufferPoolClass;
|
||||
|
||||
#define GST_EGL_IMAGE_BUFFER_POOL(p) ((GstEGLImageBufferPool*)(p))
|
||||
|
||||
GType gst_egl_image_buffer_pool_get_type (void);
|
||||
|
||||
G_DEFINE_TYPE (GstEGLImageBufferPool, gst_egl_image_buffer_pool,
|
||||
GST_TYPE_VIDEO_BUFFER_POOL);
|
||||
|
||||
static GstBufferPool
|
||||
* gst_egl_image_buffer_pool_new (GstEGLImageBufferPoolSendBlockingAllocate
|
||||
blocking_allocate_func, gpointer blocking_allocate_data,
|
||||
GDestroyNotify destroy_func);
|
||||
|
||||
static void
|
||||
gst_egl_image_buffer_pool_get_video_infos (GstEGLImageBufferPool * pool,
|
||||
GstVideoFormat * format, gint * width, gint * height)
|
||||
{
|
||||
g_return_if_fail (pool != NULL);
|
||||
|
||||
if (format)
|
||||
*format = pool->info.finfo->format;
|
||||
|
||||
if (width)
|
||||
*width = pool->info.width;
|
||||
|
||||
if (height)
|
||||
*height = pool->info.height;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_egl_image_buffer_pool_replace_last_buffer (GstEGLImageBufferPool * pool,
|
||||
GstBuffer * buffer)
|
||||
{
|
||||
g_return_if_fail (pool != NULL);
|
||||
|
||||
gst_buffer_replace (&pool->last_buffer, buffer);
|
||||
}
|
||||
|
||||
static GstBuffer *
|
||||
gst_eglglessink_egl_image_buffer_pool_send_blocking (GstBufferPool * bpool,
|
||||
gpointer data)
|
||||
|
@ -284,18 +226,24 @@ gst_eglglessink_egl_image_buffer_pool_send_blocking (GstBufferPool * bpool,
|
|||
GstStructure *s = NULL;
|
||||
const GValue *v = NULL;
|
||||
GstBuffer *buffer = NULL;
|
||||
GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
|
||||
gint width = 0;
|
||||
gint height = 0;
|
||||
GstStructure *config = NULL;
|
||||
GstCaps *caps = NULL;
|
||||
GstVideoInfo info;
|
||||
|
||||
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
|
||||
GstEglGlesSink *eglglessink = GST_EGLGLESSINK (data);
|
||||
|
||||
gst_egl_image_buffer_pool_get_video_infos (pool, &format, &width, &height);
|
||||
config = gst_buffer_pool_get_config (bpool);
|
||||
gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL);
|
||||
gst_structure_free (config);
|
||||
|
||||
gst_video_info_init (&info);
|
||||
gst_video_info_from_caps (&info, caps);
|
||||
|
||||
s = gst_structure_new ("eglglessink-allocate-eglimage",
|
||||
"format", GST_TYPE_VIDEO_FORMAT, format,
|
||||
"width", G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL);
|
||||
"format", GST_TYPE_VIDEO_FORMAT, GST_VIDEO_INFO_FORMAT (&info),
|
||||
"width", G_TYPE_INT, GST_VIDEO_INFO_WIDTH (&info), "height", G_TYPE_INT,
|
||||
GST_VIDEO_INFO_HEIGHT (&info), NULL);
|
||||
|
||||
query = gst_query_new_custom (GST_QUERY_CUSTOM, s);
|
||||
|
||||
ret =
|
||||
|
@ -317,191 +265,6 @@ gst_eglglessink_egl_image_buffer_pool_on_destroy (gpointer data)
|
|||
GstEglGlesSink *eglglessink = GST_EGLGLESSINK (data);
|
||||
gst_object_unref (eglglessink);
|
||||
}
|
||||
|
||||
static const gchar **
|
||||
gst_egl_image_buffer_pool_get_options (GstBufferPool * bpool)
|
||||
{
|
||||
static const gchar *options[] = { GST_BUFFER_POOL_OPTION_VIDEO_META, NULL
|
||||
};
|
||||
|
||||
return options;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_egl_image_buffer_pool_set_config (GstBufferPool * bpool,
|
||||
GstStructure * config)
|
||||
{
|
||||
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
|
||||
GstCaps *caps;
|
||||
GstVideoInfo info;
|
||||
|
||||
if (pool->allocator)
|
||||
gst_object_unref (pool->allocator);
|
||||
pool->allocator = NULL;
|
||||
|
||||
if (!GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->set_config (bpool, config))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL)
|
||||
|| !caps)
|
||||
return FALSE;
|
||||
|
||||
if (!gst_video_info_from_caps (&info, caps))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_buffer_pool_config_get_allocator (config, &pool->allocator,
|
||||
&pool->params))
|
||||
return FALSE;
|
||||
if (pool->allocator)
|
||||
gst_object_ref (pool->allocator);
|
||||
|
||||
pool->add_metavideo =
|
||||
gst_buffer_pool_config_has_option (config,
|
||||
GST_BUFFER_POOL_OPTION_VIDEO_META);
|
||||
|
||||
pool->want_eglimage = (pool->allocator
|
||||
&& g_strcmp0 (pool->allocator->mem_type, GST_EGL_IMAGE_MEMORY_TYPE) == 0);
|
||||
|
||||
pool->info = info;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_egl_image_buffer_pool_alloc_buffer (GstBufferPool * bpool,
|
||||
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
|
||||
{
|
||||
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
|
||||
|
||||
*buffer = NULL;
|
||||
|
||||
if (!pool->add_metavideo || !pool->want_eglimage)
|
||||
return
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
|
||||
buffer, params);
|
||||
|
||||
if (!pool->allocator)
|
||||
return GST_FLOW_NOT_NEGOTIATED;
|
||||
|
||||
switch (pool->info.finfo->format) {
|
||||
case GST_VIDEO_FORMAT_RGB:
|
||||
case GST_VIDEO_FORMAT_BGR:
|
||||
case GST_VIDEO_FORMAT_RGB16:
|
||||
case GST_VIDEO_FORMAT_NV12:
|
||||
case GST_VIDEO_FORMAT_NV21:
|
||||
case GST_VIDEO_FORMAT_RGBA:
|
||||
case GST_VIDEO_FORMAT_BGRA:
|
||||
case GST_VIDEO_FORMAT_ARGB:
|
||||
case GST_VIDEO_FORMAT_ABGR:
|
||||
case GST_VIDEO_FORMAT_RGBx:
|
||||
case GST_VIDEO_FORMAT_BGRx:
|
||||
case GST_VIDEO_FORMAT_xRGB:
|
||||
case GST_VIDEO_FORMAT_xBGR:
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
case GST_VIDEO_FORMAT_YV12:
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
case GST_VIDEO_FORMAT_Y444:
|
||||
case GST_VIDEO_FORMAT_Y42B:
|
||||
case GST_VIDEO_FORMAT_Y41B:{
|
||||
|
||||
if (pool->send_blocking_allocate_func)
|
||||
*buffer = pool->send_blocking_allocate_func (bpool,
|
||||
pool->send_blocking_allocate_data);
|
||||
|
||||
if (!*buffer) {
|
||||
GST_WARNING ("Fallback memory allocation");
|
||||
return
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
|
||||
buffer, params);
|
||||
}
|
||||
|
||||
return GST_FLOW_OK;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
return
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
|
||||
buffer, params);
|
||||
break;
|
||||
}
|
||||
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_egl_image_buffer_pool_acquire_buffer (GstBufferPool * bpool,
|
||||
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
|
||||
{
|
||||
GstFlowReturn ret;
|
||||
GstEGLImageBufferPool *pool;
|
||||
|
||||
ret =
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->acquire_buffer (bpool,
|
||||
buffer, params);
|
||||
if (ret != GST_FLOW_OK || !*buffer)
|
||||
return ret;
|
||||
|
||||
pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
|
||||
|
||||
/* XXX: Don't return the memory we just rendered, glEGLImageTargetTexture2DOES()
|
||||
* keeps the EGLImage unmappable until the next one is uploaded
|
||||
*/
|
||||
if (*buffer && *buffer == pool->last_buffer) {
|
||||
GstBuffer *oldbuf = *buffer;
|
||||
|
||||
ret =
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->acquire_buffer (bpool,
|
||||
buffer, params);
|
||||
gst_object_replace ((GstObject **) & oldbuf->pool, (GstObject *) pool);
|
||||
gst_buffer_unref (oldbuf);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_egl_image_buffer_pool_finalize (GObject * object)
|
||||
{
|
||||
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (object);
|
||||
|
||||
if (pool->allocator)
|
||||
gst_object_unref (pool->allocator);
|
||||
pool->allocator = NULL;
|
||||
|
||||
gst_egl_image_buffer_pool_replace_last_buffer (pool, NULL);
|
||||
|
||||
if (pool->send_blocking_allocate_destroy)
|
||||
pool->send_blocking_allocate_destroy (pool->send_blocking_allocate_data);
|
||||
pool->send_blocking_allocate_destroy = NULL;
|
||||
pool->send_blocking_allocate_data = NULL;
|
||||
|
||||
G_OBJECT_CLASS (gst_egl_image_buffer_pool_parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_egl_image_buffer_pool_class_init (GstEGLImageBufferPoolClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class = (GObjectClass *) klass;
|
||||
GstBufferPoolClass *gstbufferpool_class = (GstBufferPoolClass *) klass;
|
||||
|
||||
gobject_class->finalize = gst_egl_image_buffer_pool_finalize;
|
||||
gstbufferpool_class->get_options = gst_egl_image_buffer_pool_get_options;
|
||||
gstbufferpool_class->set_config = gst_egl_image_buffer_pool_set_config;
|
||||
gstbufferpool_class->alloc_buffer = gst_egl_image_buffer_pool_alloc_buffer;
|
||||
gstbufferpool_class->acquire_buffer =
|
||||
gst_egl_image_buffer_pool_acquire_buffer;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_egl_image_buffer_pool_init (GstEGLImageBufferPool * pool)
|
||||
{
|
||||
}
|
||||
#endif
|
||||
|
||||
#define parent_class gst_eglglessink_parent_class
|
||||
|
@ -583,6 +346,7 @@ render_thread_func (GstEglGlesSink * eglglessink)
|
|||
GstVideoFormat format;
|
||||
gint width, height;
|
||||
GValue v = { 0, };
|
||||
GstAllocator *allocator = gst_egl_image_allocator_obtain ();
|
||||
|
||||
if (!gst_structure_get_enum (s, "format", GST_TYPE_VIDEO_FORMAT,
|
||||
(gint *) & format)
|
||||
|
@ -592,10 +356,11 @@ render_thread_func (GstEglGlesSink * eglglessink)
|
|||
}
|
||||
|
||||
buffer =
|
||||
gst_egl_image_allocator_alloc_eglimage (GST_EGL_IMAGE_BUFFER_POOL
|
||||
(eglglessink->pool)->allocator, eglglessink->egl_context->display,
|
||||
gst_egl_image_allocator_alloc_eglimage
|
||||
(allocator, eglglessink->egl_context->display,
|
||||
gst_egl_adaptation_context_get_egl_context
|
||||
(eglglessink->egl_context), format, width, height);
|
||||
gst_object_unref (allocator);
|
||||
g_value_init (&v, G_TYPE_POINTER);
|
||||
g_value_set_pointer (&v, buffer);
|
||||
gst_structure_set_value (s, "buffer", &v);
|
||||
|
@ -2449,24 +2214,6 @@ gst_eglglessink_init (GstEglGlesSink * eglglessink)
|
|||
eglglessink->render_region_user = FALSE;
|
||||
}
|
||||
|
||||
#ifndef HAVE_IOS
|
||||
static GstBufferPool *
|
||||
gst_egl_image_buffer_pool_new (GstEGLImageBufferPoolSendBlockingAllocate
|
||||
blocking_allocate_func, gpointer blocking_allocate_data,
|
||||
GDestroyNotify destroy_func)
|
||||
{
|
||||
GstEGLImageBufferPool *pool;
|
||||
|
||||
pool = g_object_new (gst_egl_image_buffer_pool_get_type (), NULL);
|
||||
pool->last_buffer = NULL;
|
||||
pool->send_blocking_allocate_func = blocking_allocate_func;
|
||||
pool->send_blocking_allocate_data = blocking_allocate_data;
|
||||
pool->send_blocking_allocate_destroy = destroy_func;
|
||||
|
||||
return (GstBufferPool *) pool;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* entry point to initialize the plug-in
|
||||
* initialize the plug-in itself
|
||||
* register the element factories and other features
|
||||
|
|
|
@ -384,3 +384,241 @@ gst_egl_display_get (GstEGLDisplay * display)
|
|||
G_DEFINE_BOXED_TYPE (GstEGLDisplay, gst_egl_display,
|
||||
(GBoxedCopyFunc) gst_egl_display_ref,
|
||||
(GBoxedFreeFunc) gst_egl_display_unref);
|
||||
|
||||
|
||||
struct _GstEGLImageBufferPoolPrivate
|
||||
{
|
||||
GstAllocator *allocator;
|
||||
GstAllocationParams params;
|
||||
GstVideoInfo info;
|
||||
gboolean add_metavideo;
|
||||
gboolean want_eglimage;
|
||||
GstBuffer *last_buffer;
|
||||
GstEGLImageBufferPoolSendBlockingAllocate send_blocking_allocate_func;
|
||||
gpointer send_blocking_allocate_data;
|
||||
GDestroyNotify send_blocking_allocate_destroy;
|
||||
};
|
||||
|
||||
G_DEFINE_TYPE (GstEGLImageBufferPool, gst_egl_image_buffer_pool,
|
||||
GST_TYPE_VIDEO_BUFFER_POOL);
|
||||
|
||||
GstBufferPool *
|
||||
gst_egl_image_buffer_pool_new (GstEGLImageBufferPoolSendBlockingAllocate
|
||||
blocking_allocate_func, gpointer blocking_allocate_data,
|
||||
GDestroyNotify destroy_func)
|
||||
{
|
||||
GstEGLImageBufferPool *pool =
|
||||
g_object_new (GST_TYPE_EGL_IMAGE_BUFFER_POOL, NULL);
|
||||
GstEGLImageBufferPoolPrivate *priv =
|
||||
G_TYPE_INSTANCE_GET_PRIVATE (pool, GST_TYPE_EGL_IMAGE_BUFFER_POOL,
|
||||
GstEGLImageBufferPoolPrivate);
|
||||
|
||||
pool->priv = priv;
|
||||
|
||||
priv->allocator = NULL;
|
||||
priv->last_buffer = NULL;
|
||||
priv->send_blocking_allocate_func = blocking_allocate_func;
|
||||
priv->send_blocking_allocate_data = blocking_allocate_data;
|
||||
priv->send_blocking_allocate_destroy = destroy_func;
|
||||
|
||||
return (GstBufferPool *) pool;
|
||||
}
|
||||
|
||||
void
|
||||
gst_egl_image_buffer_pool_replace_last_buffer (GstEGLImageBufferPool * pool,
|
||||
GstBuffer * buffer)
|
||||
{
|
||||
g_return_if_fail (pool != NULL);
|
||||
|
||||
gst_buffer_replace (&pool->priv->last_buffer, buffer);
|
||||
}
|
||||
|
||||
static const gchar **
|
||||
gst_egl_image_buffer_pool_get_options (GstBufferPool * bpool)
|
||||
{
|
||||
static const gchar *options[] = { GST_BUFFER_POOL_OPTION_VIDEO_META, NULL
|
||||
};
|
||||
|
||||
return options;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_egl_image_buffer_pool_set_config (GstBufferPool * bpool,
|
||||
GstStructure * config)
|
||||
{
|
||||
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
|
||||
GstEGLImageBufferPoolPrivate *priv = pool->priv;
|
||||
GstCaps *caps;
|
||||
GstVideoInfo info;
|
||||
|
||||
if (priv->allocator)
|
||||
gst_object_unref (priv->allocator);
|
||||
priv->allocator = NULL;
|
||||
|
||||
if (!GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->set_config (bpool, config))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL)
|
||||
|| !caps)
|
||||
return FALSE;
|
||||
|
||||
if (!gst_video_info_from_caps (&info, caps))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_buffer_pool_config_get_allocator (config, &priv->allocator,
|
||||
&priv->params))
|
||||
return FALSE;
|
||||
if (priv->allocator)
|
||||
gst_object_ref (priv->allocator);
|
||||
|
||||
priv->add_metavideo =
|
||||
gst_buffer_pool_config_has_option (config,
|
||||
GST_BUFFER_POOL_OPTION_VIDEO_META);
|
||||
|
||||
priv->want_eglimage = (priv->allocator
|
||||
&& g_strcmp0 (priv->allocator->mem_type, GST_EGL_IMAGE_MEMORY_TYPE) == 0);
|
||||
|
||||
priv->info = info;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_egl_image_buffer_pool_alloc_buffer (GstBufferPool * bpool,
|
||||
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
|
||||
{
|
||||
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
|
||||
GstEGLImageBufferPoolPrivate *priv = pool->priv;
|
||||
|
||||
*buffer = NULL;
|
||||
|
||||
if (!priv->add_metavideo || !priv->want_eglimage)
|
||||
return
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
|
||||
buffer, params);
|
||||
|
||||
if (!priv->allocator)
|
||||
return GST_FLOW_NOT_NEGOTIATED;
|
||||
|
||||
switch (priv->info.finfo->format) {
|
||||
case GST_VIDEO_FORMAT_RGB:
|
||||
case GST_VIDEO_FORMAT_BGR:
|
||||
case GST_VIDEO_FORMAT_RGB16:
|
||||
case GST_VIDEO_FORMAT_NV12:
|
||||
case GST_VIDEO_FORMAT_NV21:
|
||||
case GST_VIDEO_FORMAT_RGBA:
|
||||
case GST_VIDEO_FORMAT_BGRA:
|
||||
case GST_VIDEO_FORMAT_ARGB:
|
||||
case GST_VIDEO_FORMAT_ABGR:
|
||||
case GST_VIDEO_FORMAT_RGBx:
|
||||
case GST_VIDEO_FORMAT_BGRx:
|
||||
case GST_VIDEO_FORMAT_xRGB:
|
||||
case GST_VIDEO_FORMAT_xBGR:
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
case GST_VIDEO_FORMAT_YV12:
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
case GST_VIDEO_FORMAT_Y444:
|
||||
case GST_VIDEO_FORMAT_Y42B:
|
||||
case GST_VIDEO_FORMAT_Y41B:{
|
||||
|
||||
if (priv->send_blocking_allocate_func)
|
||||
*buffer = priv->send_blocking_allocate_func (bpool,
|
||||
priv->send_blocking_allocate_data);
|
||||
|
||||
if (!*buffer) {
|
||||
GST_WARNING ("Fallback memory allocation");
|
||||
return
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
|
||||
buffer, params);
|
||||
}
|
||||
|
||||
return GST_FLOW_OK;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
return
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->alloc_buffer (bpool,
|
||||
buffer, params);
|
||||
break;
|
||||
}
|
||||
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_egl_image_buffer_pool_acquire_buffer (GstBufferPool * bpool,
|
||||
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
|
||||
{
|
||||
GstFlowReturn ret;
|
||||
GstEGLImageBufferPool *pool;
|
||||
|
||||
ret =
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->acquire_buffer (bpool,
|
||||
buffer, params);
|
||||
if (ret != GST_FLOW_OK || !*buffer)
|
||||
return ret;
|
||||
|
||||
pool = GST_EGL_IMAGE_BUFFER_POOL (bpool);
|
||||
|
||||
/* XXX: Don't return the memory we just rendered, glEGLImageTargetTexture2DOES()
|
||||
* keeps the EGLImage unmappable until the next one is uploaded
|
||||
*/
|
||||
if (*buffer && *buffer == pool->priv->last_buffer) {
|
||||
GstBuffer *oldbuf = *buffer;
|
||||
|
||||
ret =
|
||||
GST_BUFFER_POOL_CLASS
|
||||
(gst_egl_image_buffer_pool_parent_class)->acquire_buffer (bpool,
|
||||
buffer, params);
|
||||
gst_object_replace ((GstObject **) & oldbuf->pool, (GstObject *) pool);
|
||||
gst_buffer_unref (oldbuf);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_egl_image_buffer_pool_finalize (GObject * object)
|
||||
{
|
||||
GstEGLImageBufferPool *pool = GST_EGL_IMAGE_BUFFER_POOL (object);
|
||||
GstEGLImageBufferPoolPrivate *priv = pool->priv;
|
||||
|
||||
if (priv->allocator)
|
||||
gst_object_unref (priv->allocator);
|
||||
priv->allocator = NULL;
|
||||
|
||||
gst_egl_image_buffer_pool_replace_last_buffer (pool, NULL);
|
||||
|
||||
if (priv->send_blocking_allocate_destroy)
|
||||
priv->send_blocking_allocate_destroy (priv->send_blocking_allocate_data);
|
||||
priv->send_blocking_allocate_destroy = NULL;
|
||||
priv->send_blocking_allocate_data = NULL;
|
||||
|
||||
G_OBJECT_CLASS (gst_egl_image_buffer_pool_parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_egl_image_buffer_pool_class_init (GstEGLImageBufferPoolClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class = (GObjectClass *) klass;
|
||||
GstBufferPoolClass *gstbufferpool_class = (GstBufferPoolClass *) klass;
|
||||
|
||||
g_type_class_add_private (klass, sizeof (GstEGLImageBufferPoolPrivate));
|
||||
|
||||
gobject_class->finalize = gst_egl_image_buffer_pool_finalize;
|
||||
gstbufferpool_class->get_options = gst_egl_image_buffer_pool_get_options;
|
||||
gstbufferpool_class->set_config = gst_egl_image_buffer_pool_set_config;
|
||||
gstbufferpool_class->alloc_buffer = gst_egl_image_buffer_pool_alloc_buffer;
|
||||
gstbufferpool_class->acquire_buffer =
|
||||
gst_egl_image_buffer_pool_acquire_buffer;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_egl_image_buffer_pool_init (GstEGLImageBufferPool * pool)
|
||||
{
|
||||
}
|
||||
|
|
|
@ -69,5 +69,42 @@ GstEGLDisplay *gst_egl_display_ref (GstEGLDisplay * display);
|
|||
void gst_egl_display_unref (GstEGLDisplay * display);
|
||||
EGLDisplay gst_egl_display_get (GstEGLDisplay * display);
|
||||
|
||||
/* EGLImage buffer pool */
|
||||
|
||||
#define GST_TYPE_EGL_IMAGE_BUFFER_POOL (gst_egl_image_buffer_pool_get_type())
|
||||
#define GST_EGL_IMAGE_BUFFER_POOL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_EGL_IMAGE_BUFFER_POOL, GstEGLImageBufferPool))
|
||||
#define GST_EGL_IMAGE_BUFFER_POOL_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_EGL_IMAGE_BUFFER_POOL, GstEGLImageBufferPoolClass))
|
||||
#define GST_EGL_IS_IMAGE_BUFFER_POOL(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_EGL_IMAGE_BUFFER_POOL))
|
||||
#define GST_EGL_IS_IMAGE_BUFFER_POOL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_EGL_IMAGE_BUFFER_POOL))
|
||||
#define GST_EGL_IMAGE_BUFFER_POO_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_EGL_IMAGE_BUFFER_POOL, GstEGLImageBufferPoolClass))
|
||||
|
||||
typedef struct _GstEGLImageBufferPool GstEGLImageBufferPool;
|
||||
typedef struct _GstEGLImageBufferPoolClass GstEGLImageBufferPoolClass;
|
||||
typedef struct _GstEGLImageBufferPoolPrivate GstEGLImageBufferPoolPrivate;
|
||||
|
||||
struct _GstEGLImageBufferPool {
|
||||
GstVideoBufferPool parent;
|
||||
|
||||
GstEGLImageBufferPoolPrivate *priv;
|
||||
|
||||
gpointer _reserved[GST_PADDING];
|
||||
};
|
||||
|
||||
struct _GstEGLImageBufferPoolClass {
|
||||
GstVideoBufferPoolClass parent_class;
|
||||
|
||||
gpointer _reserved[GST_PADDING];
|
||||
};
|
||||
|
||||
GType gst_egl_image_buffer_pool_get_type (void);
|
||||
|
||||
typedef GstBuffer *(*GstEGLImageBufferPoolSendBlockingAllocate) (GstBufferPool *
|
||||
pool, gpointer data);
|
||||
|
||||
GstBufferPool *gst_egl_image_buffer_pool_new (
|
||||
GstEGLImageBufferPoolSendBlockingAllocate blocking_allocate_func,
|
||||
gpointer blocking_allocate_data, GDestroyNotify destroy_func);
|
||||
void gst_egl_image_buffer_pool_replace_last_buffer (GstEGLImageBufferPool * pool, GstBuffer * buffer);
|
||||
|
||||
G_END_DECLS
|
||||
#endif /* __GST_EGL_H__ */
|
||||
|
|
Loading…
Reference in a new issue