gstreamer/sys/vdpau/gstvdpvideobuffer.c
2009-09-16 10:25:43 +01:00

238 lines
6.4 KiB
C

/*
* GStreamer
* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvdpvideobuffer.h"
void
gst_vdp_video_buffer_add_reference (GstVdpVideoBuffer * buffer,
GstVdpVideoBuffer * buf)
{
g_assert (GST_IS_VDP_VIDEO_BUFFER (buffer));
g_assert (GST_IS_VDP_VIDEO_BUFFER (buf));
gst_buffer_ref (GST_BUFFER (buf));
buffer->refs = g_slist_prepend (buffer->refs, buf);
}
GstVdpVideoBuffer *
gst_vdp_video_buffer_new (GstVdpDevice * device, VdpChromaType chroma_type,
gint width, gint height)
{
GstVdpVideoBuffer *buffer;
VdpStatus status;
VdpVideoSurface surface;
status = device->vdp_video_surface_create (device->device, chroma_type, width,
height, &surface);
if (status != VDP_STATUS_OK) {
GST_ERROR ("Couldn't create a VdpVideoSurface, error returned was: %s",
device->vdp_get_error_string (status));
return NULL;
}
buffer =
(GstVdpVideoBuffer *) gst_mini_object_new (GST_TYPE_VDP_VIDEO_BUFFER);
buffer->device = g_object_ref (device);
buffer->surface = surface;
return buffer;
}
static GObjectClass *gst_vdp_video_buffer_parent_class;
static void
gst_vdp_video_buffer_finalize (GstVdpVideoBuffer * buffer)
{
GSList *iter;
GstVdpDevice *device;
VdpStatus status;
device = buffer->device;
status = device->vdp_video_surface_destroy (buffer->surface);
if (status != VDP_STATUS_OK)
GST_ERROR
("Couldn't destroy the buffers VdpVideoSurface, error returned was: %s",
device->vdp_get_error_string (status));
g_object_unref (buffer->device);
for (iter = buffer->refs; iter; iter = g_slist_next (iter)) {
GstBuffer *buf;
buf = (GstBuffer *) (iter->data);
gst_buffer_unref (buf);
}
g_slist_free (buffer->refs);
GST_MINI_OBJECT_CLASS (gst_vdp_video_buffer_parent_class)->finalize
(GST_MINI_OBJECT (buffer));
}
static void
gst_vdp_video_buffer_init (GstVdpVideoBuffer * buffer, gpointer g_class)
{
buffer->device = NULL;
buffer->surface = VDP_INVALID_HANDLE;
buffer->refs = NULL;
}
static void
gst_vdp_video_buffer_class_init (gpointer g_class, gpointer class_data)
{
GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
gst_vdp_video_buffer_parent_class = g_type_class_peek_parent (g_class);
mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
gst_vdp_video_buffer_finalize;
}
GType
gst_vdp_video_buffer_get_type (void)
{
static GType _gst_vdp_video_buffer_type;
if (G_UNLIKELY (_gst_vdp_video_buffer_type == 0)) {
static const GTypeInfo info = {
sizeof (GstBufferClass),
NULL,
NULL,
gst_vdp_video_buffer_class_init,
NULL,
NULL,
sizeof (GstVdpVideoBuffer),
0,
(GInstanceInitFunc) gst_vdp_video_buffer_init,
NULL
};
_gst_vdp_video_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
"GstVdpVideoBuffer", &info, 0);
}
return _gst_vdp_video_buffer_type;
}
GstCaps *
gst_vdp_video_buffer_get_allowed_yuv_caps (GstVdpDevice * device)
{
GstCaps *caps;
gint i;
caps = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (chroma_types); i++) {
VdpStatus status;
VdpBool is_supported;
guint32 max_w, max_h;
status =
device->vdp_video_surface_query_capabilities (device->device,
chroma_types[i], &is_supported, &max_w, &max_h);
if (status != VDP_STATUS_OK && status != VDP_STATUS_INVALID_CHROMA_TYPE) {
GST_ERROR_OBJECT (device,
"Could not get query VDPAU video surface capabilites, "
"Error returned from vdpau was: %s",
device->vdp_get_error_string (status));
goto error;
}
if (is_supported) {
gint j;
for (j = 0; j < G_N_ELEMENTS (formats); j++) {
if (formats[j].chroma_type != chroma_types[i])
continue;
status =
device->vdp_video_surface_query_ycbcr_capabilities (device->device,
formats[j].chroma_type, formats[j].format, &is_supported);
if (status != VDP_STATUS_OK
&& status != VDP_STATUS_INVALID_Y_CB_CR_FORMAT) {
GST_ERROR_OBJECT (device, "Could not query VDPAU YCbCr capabilites, "
"Error returned from vdpau was: %s",
device->vdp_get_error_string (status));
goto error;
}
if (is_supported) {
GstCaps *format_caps;
format_caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, formats[j].fourcc,
"width", GST_TYPE_INT_RANGE, 1, max_w,
"height", GST_TYPE_INT_RANGE, 1, max_h, NULL);
gst_caps_append (caps, format_caps);
}
}
}
}
error:
return caps;
}
GstCaps *
gst_vdp_video_buffer_get_allowed_video_caps (GstVdpDevice * device)
{
GstCaps *caps;
gint i;
caps = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (chroma_types); i++) {
VdpStatus status;
VdpBool is_supported;
guint32 max_w, max_h;
status =
device->vdp_video_surface_query_capabilities (device->device,
chroma_types[i], &is_supported, &max_w, &max_h);
if (status != VDP_STATUS_OK && status != VDP_STATUS_INVALID_CHROMA_TYPE) {
GST_ERROR_OBJECT (device,
"Could not get query VDPAU video surface capabilites, "
"Error returned from vdpau was: %s",
device->vdp_get_error_string (status));
goto error;
}
if (is_supported) {
GstCaps *format_caps;
format_caps = gst_caps_new_simple ("video/x-vdpau-video",
"chroma-type", G_TYPE_INT, chroma_types[i],
"width", GST_TYPE_INT_RANGE, 1, max_w,
"height", GST_TYPE_INT_RANGE, 1, max_h, NULL);
gst_caps_append (caps, format_caps);
}
}
error:
return caps;
}