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eglglessink: Don't return EGLImages that we just rendered from the buffer pool

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Mapping them will fail because they're still internally used.
This commit is contained in:
Sebastian Dröge 2013-01-03 17:28:49 +01:00
parent 2aefc09248
commit 1b88d7cada
2 changed files with 46 additions and 0 deletions
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44
ext/eglgles/gsteglglessink.c
View file

@ -832,6 +832,8 @@ gst_eglglessink_stop (GstEglGlesSink * eglglessink)
}
eglglessink->last_flow = GST_FLOW_FLUSHING;
eglglessink->last_memory = NULL;
if (eglglessink->using_own_window) {
platform_destroy_native_window (eglglessink->eglglesctx.display,
eglglessink->eglglesctx.used_window, &eglglessink->own_window_data);
@ -2205,6 +2207,7 @@ gst_eglglessink_upload (GstEglGlesSink * eglglessink, GstBuffer * buf)
if (got_gl_error ("glEGLImageTargetTexture2DOES"))
goto HANDLE_ERROR;
}
eglglessink->last_memory = gmem;
eglglessink->stride[0] = 1;
eglglessink->stride[1] = 1;
eglglessink->stride[2] = 1;
@ -3633,6 +3636,45 @@ gst_egl_image_buffer_pool_alloc_buffer (GstBufferPool * bpool,
return GST_FLOW_ERROR;
}
static GstFlowReturn
gst_egl_image_buffer_pool_acquire_buffer (GstBufferPool * bpool,
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
{
GstFlowReturn ret;
GstMemory *gmem;
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 (gst_buffer_n_memory (*buffer) == 1 &&
(gmem = gst_buffer_peek_memory (*buffer, 0)) &&
strcmp (gmem->allocator->mem_type, GST_EGL_IMAGE_MEMORY_NAME) == 0) {
if (gmem == pool->sink->last_memory) {
GstBuffer *oldbuf = *buffer;
ret =
GST_BUFFER_POOL_CLASS
(gst_egl_image_buffer_pool_parent_class)->acquire_buffer (bpool,
buffer, params);
gst_buffer_unref (oldbuf);
if (ret != GST_FLOW_OK || !*buffer)
return ret;
}
}
return ret;
}
static void
gst_egl_image_buffer_pool_finalize (GObject * object)
{
@ -3659,6 +3701,8 @@ gst_egl_image_buffer_pool_class_init (GstEGLImageBufferPoolClass * klass)
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

2
ext/eglgles/gsteglglessink.h
View file

@ -235,6 +235,8 @@ struct _GstEglGlesSink
GstFlowReturn last_flow;
GstMiniObject *dequeued_object;
GstMemory *last_memory;
/* Properties */
gboolean create_window;
gboolean force_aspect_ratio;