2 * test-subpicture.c - Test GstVaapiSubpicture
4 * Copyright (C) <2011> Intel Corporation
5 * Copyright (C) <2011> Collabora Ltd.
6 * Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
25 #include <gst/vaapi/gstvaapidecoder.h>
26 #include <gst/vaapi/gstvaapidecoder_mpeg2.h>
27 #include <gst/vaapi/gstvaapisurface.h>
29 #include "test-mpeg2.h"
30 #include "test-subpicture-data.h"
32 typedef void (*GetVideoInfoFunc)(VideoDecodeInfo *info);
34 typedef struct _CodecDefs CodecDefs;
36 const gchar *codec_str;
37 GetVideoInfoFunc get_video_info;
40 static const CodecDefs g_codec_defs[] = {
41 #define INIT_FUNCS(CODEC) { #CODEC, CODEC##_get_video_info }
47 static const CodecDefs *
48 get_codec_defs(const gchar *codec_str)
51 for (c = g_codec_defs; c->codec_str; c++)
52 if (strcmp(codec_str, c->codec_str) == 0)
57 static inline void pause(void)
59 g_print("Press any key to continue...\n");
63 static gchar *g_codec_str;
65 static GOptionEntry g_options[] = {
68 G_OPTION_ARG_STRING, &g_codec_str,
69 "codec to test", NULL },
74 upload_image (guint8 *dst, const guint32 *src, guint size)
78 for (i = 0; i < size; i += 4) {
80 dst[i + 1] = *src >> 16;
81 dst[i + 2] = *src >> 8;
87 main(int argc, char *argv[])
89 GstVaapiDisplay *display;
90 GstVaapiWindow *window;
91 GstVaapiDecoder *decoder = NULL;
92 GstCaps *decoder_caps;
93 GstStructure *structure;
94 GstVaapiDecoderStatus status;
95 const CodecDefs *codec;
97 GstVaapiSurfaceProxy *proxy;
98 GstVaapiSurface *surface;
100 VideoSubpictureInfo subinfo;
101 GstVaapiImage *subtitle_image;
102 GstVaapiSubpicture *subpicture;
104 GstVaapiRectangle sub_rect;
105 guint surf_width, surf_height;
107 static const guint win_width = 640;
108 static const guint win_height = 480;
110 if (!video_output_init(&argc, argv, g_options))
111 g_error("failed to initialize video output subsystem");
114 g_codec_str = g_strdup("mpeg2");
116 g_print("Test %s decode\n", g_codec_str);
117 codec = get_codec_defs(g_codec_str);
119 g_error("no %s codec data found", g_codec_str);
121 display = video_output_create_display(NULL);
123 g_error("could not create VA display");
125 window = video_output_create_window(display, win_width, win_height);
127 g_error("could not create window");
129 codec->get_video_info(&info);
130 decoder_caps = gst_vaapi_profile_get_caps(info.profile);
132 g_error("could not create decoder caps");
134 structure = gst_caps_get_structure(decoder_caps, 0);
135 if (info.width > 0 && info.height > 0)
138 "width", G_TYPE_INT, info.width,
139 "height", G_TYPE_INT, info.height,
143 decoder = gst_vaapi_decoder_mpeg2_new(display, decoder_caps);
145 g_error("could not create video decoder");
146 gst_caps_unref(decoder_caps);
148 buffer = gst_buffer_new();
150 g_error("could not create encoded data buffer");
151 gst_buffer_set_data(buffer, (guchar *)info.data, info.data_size);
153 if (!gst_vaapi_decoder_put_buffer(decoder, buffer))
154 g_error("could not send video data to the decoder");
155 gst_buffer_unref(buffer);
157 if (!gst_vaapi_decoder_put_buffer(decoder, NULL))
158 g_error("could not send EOS to the decoder");
160 status = gst_vaapi_decoder_get_surface(decoder, &proxy);
161 if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
162 g_error("could not get decoded surface (decoder status %d)", status);
164 surface = gst_vaapi_surface_proxy_get_surface(proxy);
166 g_error("could not get underlying surface");
168 gst_vaapi_surface_get_size(surface, &surf_width, &surf_height);
169 printf("surface size %dx%d\n", surf_width, surf_height);
171 subpicture_get_info (&subinfo);
173 /* Adding subpicture */
174 argbcaps = gst_caps_new_simple ("video/x-raw-rgb",
175 "endianness", G_TYPE_INT, G_BIG_ENDIAN,
176 "bpp", G_TYPE_INT, 32,
177 "red_mask", G_TYPE_INT, 0xff000000,
178 "green_mask", G_TYPE_INT, 0x00ff0000,
179 "blue_mask", G_TYPE_INT, 0x0000ff00,
180 "alpha_mask", G_TYPE_INT, 0x000000ff,
181 "width", G_TYPE_INT, subinfo.width,
182 "height", G_TYPE_INT, subinfo.height,
185 buffer = gst_buffer_new_and_alloc (subinfo.data_size);
186 upload_image (GST_BUFFER_DATA (buffer), subinfo.data, subinfo.data_size);
187 gst_buffer_set_caps (buffer, argbcaps);
189 subtitle_image = gst_vaapi_image_new (display,
190 GST_VAAPI_IMAGE_RGBA, subinfo.width, subinfo.height);
192 if (!gst_vaapi_image_update_from_buffer (subtitle_image, buffer, NULL))
193 g_error ("could not update VA image with subtitle data");
195 subpicture = gst_vaapi_subpicture_new (subtitle_image);
197 /* We position it as a subtitle, centered at the bottom. */
198 sub_rect.x = (surf_width - subinfo.width) / 2;
199 sub_rect.y = surf_height - subinfo.height - 10;
200 sub_rect.height = subinfo.height;
201 sub_rect.width = subinfo.width;
203 if (!gst_vaapi_surface_associate_subpicture (
208 g_error("could not associate subpicture");
210 gst_vaapi_window_show(window);
212 if (!gst_vaapi_window_put_surface(window,
213 GST_VAAPI_SURFACE_PROXY_SURFACE(proxy),
216 GST_VAAPI_PICTURE_STRUCTURE_FRAME))
217 g_error("could not render surface");
221 gst_buffer_unref(buffer);
222 gst_vaapi_surface_proxy_unref(proxy);
223 g_object_unref(decoder);
224 g_object_unref(window);
225 g_object_unref(display);