/**
* gst_vaapi_object_new:
* @klass: The object class
* @display: The #GstVaapiDisplay
*
* Creates a new #GstVaapiObject. The @klass argument shall not be
* %NULL, and it must reference a statically allocated descriptor.
*
* This function zero-initializes the derived object data. Also note
* that this is an internal function that shall not be used outside of
* libgstvaapi libraries.
*
* Returns: The newly allocated #GstVaapiObject
*/
gpointer
gst_vaapi_object_new (const GstVaapiObjectClass * klass,
GstVaapiDisplay * display)
{
const GstVaapiMiniObjectClass *const object_class =
GST_VAAPI_MINI_OBJECT_CLASS (klass);
GstVaapiObject *object;
guint sub_size;
g_return_val_if_fail (klass != NULL, NULL);
g_return_val_if_fail (display != NULL, NULL);
object = (GstVaapiObject *) gst_vaapi_mini_object_new (object_class);
if (!object)
return NULL;
object->display = gst_vaapi_display_ref (display);
object->object_id = VA_INVALID_ID;
sub_size = object_class->size - sizeof (*object);
if (sub_size > 0)
memset (((guchar *) object) + sizeof (*object), 0, sub_size);
if (klass && klass->init)
klass->init (object);
return object;
}
/**
* gst_vaapi_video_meta_copy:
* @meta: a #GstVaapiVideoMeta
*
* Creates a copy of #GstVaapiVideoMeta object @meta. The original
* @meta object shall not contain any VA objects created from a
* #GstVaapiVideoPool.
*
* Return value: the newly allocated #GstVaapiVideoMeta, or %NULL on error
*/
GstVaapiVideoMeta *
gst_vaapi_video_meta_copy (GstVaapiVideoMeta * meta)
{
GstVaapiVideoMeta *copy;
g_return_val_if_fail (GST_VAAPI_IS_VIDEO_META (meta), NULL);
if (meta->image_pool)
return NULL;
copy = _gst_vaapi_video_meta_create ();
if (!copy)
return NULL;
copy->buffer = NULL;
copy->ref_count = 1;
copy->display = gst_vaapi_display_ref (meta->display);
copy->image_pool = NULL;
copy->image = meta->image ? gst_vaapi_object_ref (meta->image) : NULL;
copy->proxy = meta->proxy ? gst_vaapi_surface_proxy_copy (meta->proxy) : NULL;
copy->converter = meta->converter;
copy->render_flags = meta->render_flags;
copy->has_render_rect = meta->has_render_rect;
if (copy->has_render_rect)
copy->render_rect = meta->render_rect;
return copy;
}
static gboolean
ensure_vpp (GstVaapiDecodeBin * vaapidecbin)
{
GstVaapiDisplay *display;
if (vaapidecbin->has_vpp != HAS_VPP_UNKNOWN)
return TRUE;
display = GST_VAAPI_PLUGIN_BASE_DISPLAY (vaapidecbin->decoder);
if (display) {
GST_INFO_OBJECT (vaapidecbin, "Got display from vaapidecode");
gst_vaapi_display_ref (display);
} else {
GST_INFO_OBJECT (vaapidecbin, "Creating a dummy display to test for vpp");
display = gst_vaapi_create_test_display ();
}
if (!display)
return FALSE;
vaapidecbin->has_vpp = gst_vaapi_display_has_video_processing (display) ?
HAS_VPP_YES : HAS_VPP_NO;
gst_vaapi_display_unref (display);
return TRUE;
}
void
gst_vaapi_video_pool_init (GstVaapiVideoPool * pool, GstVaapiDisplay * display,
GstVaapiVideoPoolObjectType object_type)
{
pool->object_type = object_type;
pool->display = gst_vaapi_display_ref (display);
pool->used_objects = NULL;
pool->used_count = 0;
pool->capacity = 0;
g_queue_init (&pool->free_objects);
g_mutex_init (&pool->mutex);
}
/* Base encoder initialization (internal) */
static gboolean
gst_vaapi_encoder_init (GstVaapiEncoder * encoder, GstVaapiDisplay * display)
{
GstVaapiEncoderClass *const klass = GST_VAAPI_ENCODER_GET_CLASS (encoder);
g_return_val_if_fail (display != NULL, FALSE);
#define CHECK_VTABLE_HOOK(FUNC) do { \
if (!klass->FUNC) \
goto error_invalid_vtable; \
} while (0)
CHECK_VTABLE_HOOK (init);
CHECK_VTABLE_HOOK (finalize);
CHECK_VTABLE_HOOK (get_default_properties);
CHECK_VTABLE_HOOK (reconfigure);
CHECK_VTABLE_HOOK (encode);
CHECK_VTABLE_HOOK (reordering);
CHECK_VTABLE_HOOK (flush);
#undef CHECK_VTABLE_HOOK
encoder->display = gst_vaapi_display_ref (display);
encoder->va_display = gst_vaapi_display_get_display (display);
encoder->va_context = VA_INVALID_ID;
gst_video_info_init (&encoder->video_info);
g_mutex_init (&encoder->mutex);
g_cond_init (&encoder->surface_free);
g_cond_init (&encoder->codedbuf_free);
encoder->codedbuf_queue = g_async_queue_new_full ((GDestroyNotify)
gst_vaapi_coded_buffer_proxy_unref);
if (!encoder->codedbuf_queue)
return FALSE;
if (!klass->init (encoder))
return FALSE;
if (!gst_vaapi_encoder_init_properties (encoder))
return FALSE;
return TRUE;
/* ERRORS */
error_invalid_vtable:
{
GST_ERROR ("invalid subclass hook (internal error)");
return FALSE;
}
}
static void
gst_vaapi_video_buffer_pool_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstVaapiVideoBufferPoolPrivate *const priv =
GST_VAAPI_VIDEO_BUFFER_POOL (object)->priv;
switch (prop_id) {
case PROP_DISPLAY:
priv->display = gst_vaapi_display_ref (g_value_get_pointer (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_vaapi_decoder_init (GstVaapiDecoder * decoder, GstVaapiDisplay * display,
GstCaps * caps)
{
const GstVaapiDecoderClass *const klass =
GST_VAAPI_DECODER_GET_CLASS (decoder);
GstVideoCodecState *codec_state;
guint sub_size;
parser_state_init (&decoder->parser_state);
codec_state = g_slice_new0 (GstVideoCodecState);
codec_state->ref_count = 1;
gst_video_info_init (&codec_state->info);
decoder->user_data = NULL;
decoder->display = gst_vaapi_display_ref (display);
decoder->va_display = GST_VAAPI_DISPLAY_VADISPLAY (display);
decoder->context = NULL;
decoder->va_context = VA_INVALID_ID;
decoder->codec = 0;
decoder->codec_state = codec_state;
decoder->codec_state_changed_func = NULL;
decoder->codec_state_changed_data = NULL;
decoder->buffers = g_async_queue_new_full ((GDestroyNotify) gst_buffer_unref);
decoder->frames = g_async_queue_new_full ((GDestroyNotify)
gst_video_codec_frame_unref);
if (!set_caps (decoder, caps))
return FALSE;
sub_size = GST_VAAPI_MINI_OBJECT_CLASS (klass)->size - sizeof (*decoder);
if (sub_size > 0)
memset (((guchar *) decoder) + sizeof (*decoder), 0, sub_size);
if (klass->create && !klass->create (decoder))
return FALSE;
return TRUE;
}
static gboolean
ensure_allowed_raw_caps (GstVaapiPluginBase * plugin)
{
GArray *formats, *out_formats;
GstVaapiSurface *surface;
GstVaapiDisplay *display;
guint i;
GstCaps *out_caps;
gboolean ret = FALSE;
if (plugin->allowed_raw_caps)
return TRUE;
out_formats = formats = NULL;
surface = NULL;
display = gst_vaapi_display_ref (plugin->display);
formats = gst_vaapi_display_get_image_formats (display);
if (!formats)
goto bail;
out_formats =
g_array_sized_new (FALSE, FALSE, sizeof (GstVideoFormat), formats->len);
if (!out_formats)
goto bail;
surface =
gst_vaapi_surface_new (display, GST_VAAPI_CHROMA_TYPE_YUV420, 64, 64);
if (!surface)
goto bail;
for (i = 0; i < formats->len; i++) {
const GstVideoFormat format = g_array_index (formats, GstVideoFormat, i);
GstVaapiImage *image;
if (format == GST_VIDEO_FORMAT_UNKNOWN)
continue;
image = gst_vaapi_image_new (display, format, 64, 64);
if (!image)
continue;
if (gst_vaapi_surface_put_image (surface, image))
g_array_append_val (out_formats, format);
gst_vaapi_object_unref (image);
}
out_caps = gst_vaapi_video_format_new_template_caps_from_list (out_formats);
if (!out_caps)
goto bail;
gst_caps_replace (&plugin->allowed_raw_caps, out_caps);
gst_caps_unref (out_caps);
ret = TRUE;
bail:
if (formats)
g_array_unref (formats);
if (out_formats)
g_array_unref (out_formats);
if (surface)
gst_vaapi_object_unref (surface);
gst_vaapi_display_unref (display);
return ret;
}
static GstVaapiDisplay *
gst_vaapi_create_display_from_gl_context (GstObject * gl_context_object)
{
#if USE_GST_GL_HELPERS
GstGLContext *const gl_context = GST_GL_CONTEXT (gl_context_object);
GstGLDisplay *const gl_display = gst_gl_context_get_display (gl_context);
gpointer native_display =
GSIZE_TO_POINTER (gst_gl_display_get_handle (gl_display));
GstVaapiDisplay *display, *out_display;
GstVaapiDisplayType display_type;
switch (gst_gl_display_get_handle_type (gl_display)) {
#if USE_X11
case GST_GL_DISPLAY_TYPE_X11:
display_type = GST_VAAPI_DISPLAY_TYPE_X11;
break;
#endif
#if USE_WAYLAND
case GST_GL_DISPLAY_TYPE_WAYLAND:
display_type = GST_VAAPI_DISPLAY_TYPE_WAYLAND;
break;
#endif
case GST_GL_DISPLAY_TYPE_ANY:{
/* Derive from the active window */
GstGLWindow *const gl_window = gst_gl_context_get_window (gl_context);
const gchar *const gl_window_type = g_getenv ("GST_GL_WINDOW");
display_type = GST_VAAPI_DISPLAY_TYPE_ANY;
if (!gl_window)
break;
native_display = GSIZE_TO_POINTER (gst_gl_window_get_display (gl_window));
if (gl_window_type) {
#if USE_X11
if (!display_type && g_strcmp0 (gl_window_type, "x11") == 0)
display_type = GST_VAAPI_DISPLAY_TYPE_X11;
#endif
#if USE_WAYLAND
if (!display_type && g_strcmp0 (gl_window_type, "wayland") == 0)
display_type = GST_VAAPI_DISPLAY_TYPE_WAYLAND;
#endif
} else {
#if USE_X11
if (!display_type && GST_GL_HAVE_WINDOW_X11)
display_type = GST_VAAPI_DISPLAY_TYPE_X11;
#endif
#if USE_WAYLAND
if (!display_type && GST_GL_HAVE_WINDOW_WAYLAND)
display_type = GST_VAAPI_DISPLAY_TYPE_WAYLAND;
#endif
}
break;
}
default:
display_type = GST_VAAPI_DISPLAY_TYPE_ANY;
break;
}
if (!display_type)
return NULL;
display = gst_vaapi_create_display_from_handle (display_type, native_display);
if (!display)
return NULL;
switch (gst_gl_context_get_gl_platform (gl_context)) {
#if USE_EGL
case GST_GL_PLATFORM_EGL:{
guint gles_version;
switch (gst_gl_context_get_gl_api (gl_context)) {
case GST_GL_API_GLES1:
gles_version = 1;
goto create_egl_display;
case GST_GL_API_GLES2:
gles_version = 2;
goto create_egl_display;
case GST_GL_API_OPENGL:
case GST_GL_API_OPENGL3:
gles_version = 0;
create_egl_display:
out_display = gst_vaapi_display_egl_new (display, gles_version);
break;
default:
out_display = NULL;
break;
}
if (!out_display)
return NULL;
gst_vaapi_display_egl_set_gl_context (GST_VAAPI_DISPLAY_EGL (out_display),
GSIZE_TO_POINTER (gst_gl_context_get_gl_context (gl_context)));
break;
}
#endif
default:
out_display = gst_vaapi_display_ref (display);
break;
}
gst_vaapi_display_unref (display);
return out_display;
#endif
GST_ERROR ("unsupported GStreamer version %s", GST_API_VERSION_S);
return NULL;
}
