gstreamer/tests/test-surfaces.c

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/*
* test-surfaces.c - Test GstVaapiSurface and GstVaapiSurfacePool
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2012 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
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*/
#include <gst/vaapi/gstvaapisurface.h>
#include <gst/vaapi/gstvaapisurfacepool.h>
#include "output.h"
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#define MAX_SURFACES 4
int
main(int argc, char *argv[])
{
GstVaapiDisplay *display;
GstVaapiSurface *surface;
GstVaapiID surface_id;
GstVaapiSurface *surfaces[MAX_SURFACES];
GstVaapiVideoPool *pool;
GstVideoInfo vi;
gint i;
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static const GstVaapiChromaType chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
static const guint width = 320;
static const guint height = 240;
if (!video_output_init(&argc, argv, NULL))
g_error("failed to initialize video output subsystem");
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display = video_output_create_display(NULL);
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if (!display)
g_error("could not create Gst/VA display");
surface = gst_vaapi_surface_new(display, chroma_type, width, height);
if (!surface)
g_error("could not create Gst/VA surface");
surface_id = gst_vaapi_surface_get_id(surface);
g_print("created surface %" GST_VAAPI_ID_FORMAT "\n",
GST_VAAPI_ID_ARGS(surface_id));
gst_vaapi_object_unref(surface);
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gst_video_info_set_format(&vi, GST_VIDEO_FORMAT_ENCODED, width, height);
pool = gst_vaapi_surface_pool_new(display, &vi);
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if (!pool)
g_error("could not create Gst/VA surface pool");
for (i = 0; i < MAX_SURFACES; i++) {
surface = gst_vaapi_video_pool_get_object(pool);
if (!surface)
g_error("could not allocate Gst/VA surface from pool");
g_print("created surface %" GST_VAAPI_ID_FORMAT " from pool\n",
GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
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surfaces[i] = surface;
}
/* Check the pool doesn't return the last free'd surface */
surface = gst_vaapi_object_ref(surfaces[1]);
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for (i = 0; i < 2; i++)
gst_vaapi_video_pool_put_object(pool, surfaces[i]);
for (i = 0; i < 2; i++) {
surfaces[i] = gst_vaapi_video_pool_get_object(pool);
if (!surfaces[i])
g_error("could not re-allocate Gst/VA surface%d from pool", i);
g_print("created surface %" GST_VAAPI_ID_FORMAT " from pool (realloc)\n",
GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surfaces[i])));
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}
if (surface == surfaces[0])
g_error("Gst/VA pool doesn't queue free surfaces");
for (i = MAX_SURFACES - 1; i >= 0; i--) {
if (!surfaces[i])
continue;
gst_vaapi_video_pool_put_object(pool, surfaces[i]);
surfaces[i] = NULL;
}
/* Unref in random order to check objects are correctly refcounted */
gst_vaapi_display_unref(display);
gst_vaapi_video_pool_unref(pool);
gst_vaapi_object_unref(surface);
video_output_exit();
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return 0;
}