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/*
* test-subpicture.c - Test GstVaapiSubpicture
*
* Copyright (C) <2011-2013> Intel Corporation
* Copyright (C) <2011> Collabora Ltd.
* Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "gst/vaapi/sysdeps.h"
#include <string.h>
#include <gst/vaapi/gstvaapisurface.h>
#include "decoder.h"
#include "output.h"
#include "test-subpicture-data.h"
static inline void pause(void)
{
g_print("Press any key to continue...\n");
getchar();
}
static gchar *g_codec_str;
static gdouble g_global_alpha = 1.0;
static GOptionEntry g_options[] = {
{ "codec", 'c',
0,
G_OPTION_ARG_STRING, &g_codec_str,
"codec to test", NULL },
#ifdef HAVE_GST_VIDEO_OVERLAY_HWCAPS
{ "global-alpha", 'g',
0,
G_OPTION_ARG_DOUBLE, &g_global_alpha,
"global-alpha value", NULL },
#endif
{ NULL, }
};
static void
upload_subpicture(GstBuffer *buffer, const VideoSubpictureInfo *subinfo)
{
const guint32 * const src = subinfo->data;
guint i, len = subinfo->data_size / 4;
GstMapInfo map_info;
guint32 *dst;
if (!gst_buffer_map(buffer, &map_info, GST_MAP_WRITE))
return;
dst = (guint32 *)map_info.data;
/* Convert from RGBA source to ARGB */
for (i = 0; i < len; i++) {
const guint32 rgba = src[i];
dst[i] = (rgba >> 8) | (rgba << 24);
}
gst_buffer_unmap(buffer, &map_info);
}
int
main(int argc, char *argv[])
{
GstVaapiDisplay *display;
GstVaapiWindow *window;
GstVaapiDecoder *decoder;
GstVaapiSurfaceProxy *proxy;
GstVaapiSurface *surface;
GstBuffer *buffer;
VideoSubpictureInfo subinfo;
GstVaapiRectangle subrect;
GstVideoOverlayRectangle *overlay;
GstVideoOverlayComposition *compo;
guint flags = 0;
static const guint win_width = 640;
static const guint win_height = 480;
if (!video_output_init(&argc, argv, g_options))
g_error("failed to initialize video output subsystem");
#ifdef HAVE_GST_VIDEO_OVERLAY_HWCAPS
if (g_global_alpha != 1.0)
flags |= GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA;
#endif
g_print("Test subpicture\n");
display = video_output_create_display(NULL);
if (!display)
g_error("could not create VA display");
window = video_output_create_window(display, win_width, win_height);
if (!window)
g_error("could not create window");
decoder = decoder_new(display, g_codec_str);
if (!decoder)
g_error("could not create decoder");
if (!decoder_put_buffers(decoder))
g_error("could not fill decoder with sample data");
proxy = decoder_get_surface(decoder);
if (!proxy)
g_error("could not get decoded surface");
surface = gst_vaapi_surface_proxy_get_surface(proxy);
subpicture_get_info(&subinfo);
buffer = gst_buffer_new_and_alloc(subinfo.data_size);
upload_subpicture(buffer, &subinfo);
/* We position the subpicture at the bottom center */
subrect.x = (gst_vaapi_surface_get_width(surface) - subinfo.width) / 2;
subrect.y = gst_vaapi_surface_get_height(surface) - subinfo.height - 10;
subrect.height = subinfo.height;
subrect.width = subinfo.width;
#if GST_CHECK_VERSION(1,0,0)
{
GstVideoMeta * const vmeta =
gst_buffer_add_video_meta(buffer, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_RGB,
subinfo.width, subinfo.height);
if (!vmeta)
g_error("could not create video meta");
overlay = gst_video_overlay_rectangle_new_raw(buffer,
subrect.x, subrect.y, subrect.width, subrect.height, flags);
}
#else
overlay = gst_video_overlay_rectangle_new_argb(buffer,
subinfo.width, subinfo.height, subinfo.width * 4,
subrect.x, subrect.y, subrect.width, subrect.height, flags);
#endif
if (!overlay)
g_error("could not create video overlay");
gst_buffer_unref(buffer);
#ifdef HAVE_GST_VIDEO_OVERLAY_HWCAPS
if (flags & GST_VIDEO_OVERLAY_FORMAT_FLAG_GLOBAL_ALPHA)
gst_video_overlay_rectangle_set_global_alpha(overlay, g_global_alpha);
#endif
compo = gst_video_overlay_composition_new(overlay);
if (!compo)
g_error("could not create video overlay composition");
gst_video_overlay_rectangle_unref(overlay);
if (!gst_vaapi_surface_set_subpictures_from_composition(surface, compo,
FALSE))
g_error("could not create subpictures from video overlay compoition");
gst_vaapi_window_show(window);
if (!gst_vaapi_window_put_surface(window, surface, NULL, NULL,
GST_VAAPI_PICTURE_STRUCTURE_FRAME))
g_error("could not render surface");
pause();
gst_video_overlay_composition_unref(compo);
gst_vaapi_surface_proxy_unref(proxy);
gst_vaapi_decoder_unref(decoder);
gst_vaapi_window_unref(window);
gst_vaapi_display_unref(display);
g_free(g_codec_str);
video_output_exit();
return 0;
}
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