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/*
* test-subpicture.c - Test GstVaapiSubpicture
*
* Copyright (C) <2011> 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 "config.h"
#include <string.h>
#include <gst/vaapi/gstvaapidecoder.h>
#include <gst/vaapi/gstvaapidecoder_mpeg2.h>
#include <gst/vaapi/gstvaapisurface.h>
#include "output.h"
#include "test-mpeg2.h"
#include "test-subpicture-data.h"
typedef void (*GetVideoInfoFunc)(VideoDecodeInfo *info);
typedef struct _CodecDefs CodecDefs;
struct _CodecDefs {
const gchar *codec_str;
GetVideoInfoFunc get_video_info;
};
static const CodecDefs g_codec_defs[] = {
#define INIT_FUNCS(CODEC) { #CODEC, CODEC##_get_video_info }
INIT_FUNCS(mpeg2),
#undef INIT_FUNCS
{ NULL, }
};
static const CodecDefs *
get_codec_defs(const gchar *codec_str)
{
const CodecDefs *c;
for (c = g_codec_defs; c->codec_str; c++)
if (strcmp(codec_str, c->codec_str) == 0)
return c;
return NULL;
}
static inline void pause(void)
{
g_print("Press any key to continue...\n");
getchar();
}
static gchar *g_codec_str;
static GOptionEntry g_options[] = {
{ "codec", 'c',
0,
G_OPTION_ARG_STRING, &g_codec_str,
"codec to test", NULL },
{ NULL, }
};
static void
upload_image (guint8 *dst, const guint32 *src, guint size)
{
guint i;
for (i = 0; i < size; i += 4) {
dst[i ] = *src >> 24;
dst[i + 1] = *src >> 16;
dst[i + 2] = *src >> 8;
dst[i + 3] = *src++;
}
}
int
main(int argc, char *argv[])
{
GstVaapiDisplay *display;
GstVaapiWindow *window;
GstVaapiDecoder *decoder = NULL;
GstCaps *decoder_caps;
GstStructure *structure;
GstVaapiDecoderStatus status;
const CodecDefs *codec;
GstBuffer *buffer;
GstVaapiSurfaceProxy *proxy;
GstVaapiSurface *surface;
VideoDecodeInfo info;
VideoSubpictureInfo subinfo;
GstVaapiImage *subtitle_image;
GstVaapiSubpicture *subpicture;
GstCaps *argbcaps;
GstVaapiRectangle sub_rect;
guint surf_width, surf_height;
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");
if (!g_codec_str)
g_codec_str = g_strdup("mpeg2");
g_print("Test %s decode\n", g_codec_str);
codec = get_codec_defs(g_codec_str);
if (!codec)
g_error("no %s codec data found", g_codec_str);
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");
codec->get_video_info(&info);
decoder_caps = gst_vaapi_profile_get_caps(info.profile);
if (!decoder_caps)
g_error("could not create decoder caps");
structure = gst_caps_get_structure(decoder_caps, 0);
if (info.width > 0 && info.height > 0)
gst_structure_set(
structure,
"width", G_TYPE_INT, info.width,
"height", G_TYPE_INT, info.height,
NULL
);
decoder = gst_vaapi_decoder_mpeg2_new(display, decoder_caps);
if (!decoder)
g_error("could not create video decoder");
gst_caps_unref(decoder_caps);
buffer = gst_buffer_new();
if (!buffer)
g_error("could not create encoded data buffer");
gst_buffer_set_data(buffer, (guchar *)info.data, info.data_size);
if (!gst_vaapi_decoder_put_buffer(decoder, buffer))
g_error("could not send video data to the decoder");
gst_buffer_unref(buffer);
if (!gst_vaapi_decoder_put_buffer(decoder, NULL))
g_error("could not send EOS to the decoder");
proxy = gst_vaapi_decoder_get_surface(decoder, &status);
if (!proxy)
g_error("could not get decoded surface (decoder status %d)", status);
surface = gst_vaapi_surface_proxy_get_surface(proxy);
if (!surface)
g_error("could not get underlying surface");
gst_vaapi_surface_get_size(surface, &surf_width, &surf_height);
printf("surface size %dx%d\n", surf_width, surf_height);
subpicture_get_info (&subinfo);
/* Adding subpicture */
argbcaps = gst_caps_new_simple ("video/x-raw-rgb",
"endianness", G_TYPE_INT, G_BIG_ENDIAN,
"bpp", G_TYPE_INT, 32,
"red_mask", G_TYPE_INT, 0xff000000,
"green_mask", G_TYPE_INT, 0x00ff0000,
"blue_mask", G_TYPE_INT, 0x0000ff00,
"alpha_mask", G_TYPE_INT, 0x000000ff,
"width", G_TYPE_INT, subinfo.width,
"height", G_TYPE_INT, subinfo.height,
NULL);
buffer = gst_buffer_new_and_alloc (subinfo.data_size);
upload_image (GST_BUFFER_DATA (buffer), subinfo.data, subinfo.data_size);
gst_buffer_set_caps (buffer, argbcaps);
subtitle_image = gst_vaapi_image_new (display,
GST_VAAPI_IMAGE_RGBA, subinfo.width, subinfo.height);
if (!gst_vaapi_image_update_from_buffer (subtitle_image, buffer, NULL))
g_error ("could not update VA image with subtitle data");
subpicture = gst_vaapi_subpicture_new (subtitle_image);
/* We position it as a subtitle, centered at the bottom. */
sub_rect.x = (surf_width - subinfo.width) / 2;
sub_rect.y = surf_height - subinfo.height - 10;
sub_rect.height = subinfo.height;
sub_rect.width = subinfo.width;
if (!gst_vaapi_surface_associate_subpicture (
surface,
subpicture,
NULL,
&sub_rect))
g_error("could not associate subpicture");
gst_vaapi_window_show(window);
if (!gst_vaapi_window_put_surface(window,
GST_VAAPI_SURFACE_PROXY_SURFACE(proxy),
NULL,
NULL,
GST_VAAPI_PICTURE_STRUCTURE_FRAME))
g_error("could not render surface");
pause();
gst_buffer_unref(buffer);
g_object_unref(proxy);
g_object_unref(decoder);
g_object_unref(window);
g_object_unref(display);
g_free(g_codec_str);
video_output_exit();
return 0;
}
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