gstreamer/tests/output.c
2012-08-01 16:40:17 +02:00

187 lines
4.6 KiB
C

/*
* output.c - Video output helpers
*
* Copyright (C) 2012 Intel Corporation
*
* 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.
*
* 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
* Lesser General Public License for more details.
*
* 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
*/
#include "config.h"
#include <string.h>
#include <gst/gst.h>
#if USE_DRM
# include <gst/vaapi/gstvaapidisplay_drm.h>
# include <gst/vaapi/gstvaapiwindow_drm.h>
#endif
#if USE_X11
# include <gst/vaapi/gstvaapidisplay_x11.h>
# include <gst/vaapi/gstvaapiwindow_x11.h>
#endif
#if USE_GLX
# include <gst/vaapi/gstvaapidisplay_glx.h>
# include <gst/vaapi/gstvaapiwindow_glx.h>
#endif
#if USE_WAYLAND
# include <gst/vaapi/gstvaapidisplay_wayland.h>
# include <gst/vaapi/gstvaapiwindow_wayland.h>
#endif
#include "output.h"
static const VideoOutputInfo *g_video_output;
static const VideoOutputInfo g_video_outputs[] = {
/* Video outputs are sorted in test order for automatic characterisation */
#if USE_WAYLAND
{ "wayland",
gst_vaapi_display_wayland_new,
gst_vaapi_window_wayland_new
},
#endif
#if USE_X11
{ "x11",
gst_vaapi_display_x11_new,
gst_vaapi_window_x11_new
},
#endif
#if USE_GLX
{ "glx",
gst_vaapi_display_glx_new,
gst_vaapi_window_glx_new
},
#endif
#if USE_DRM
{ "drm",
gst_vaapi_display_drm_new,
gst_vaapi_window_drm_new
},
#endif
{ NULL, }
};
static gchar *g_output_name;
static gboolean g_list_outputs = FALSE;
static GOptionEntry g_options[] = {
{ "list-outputs", 0,
0,
G_OPTION_ARG_NONE, &g_list_outputs,
"list video outputs", NULL },
{ "output", 'o',
0,
G_OPTION_ARG_STRING, &g_output_name,
"video output name", NULL },
{ NULL, }
};
static void
list_outputs(void)
{
const VideoOutputInfo *o;
g_print("Video outputs:");
for (o = g_video_outputs; o->name != NULL; o++)
g_print(" %s", o->name);
g_print("\n");
}
gboolean
video_output_init(int *argc, char *argv[], GOptionEntry *options)
{
GOptionContext *ctx;
gboolean success;
#if !GLIB_CHECK_VERSION(2,31,0)
if (!g_thread_supported())
g_thread_init(NULL);
#endif
ctx = g_option_context_new("- test options");
if (!ctx)
return FALSE;
g_option_context_add_group(ctx, gst_init_get_option_group());
g_option_context_add_main_entries(ctx, g_options, NULL);
if (options)
g_option_context_add_main_entries(ctx, options, NULL);
success = g_option_context_parse(ctx, argc, &argv, NULL);
g_option_context_free(ctx);
if (g_list_outputs) {
list_outputs();
exit(0);
}
return success;
}
void
video_output_exit(void)
{
g_free(g_output_name);
gst_deinit();
}
const VideoOutputInfo *
video_output_lookup(const gchar *output_name)
{
const VideoOutputInfo *o;
if (!output_name)
return NULL;
for (o = g_video_outputs; o->name != NULL; o++) {
if (g_ascii_strcasecmp(o->name, output_name) == 0)
return o;
}
return NULL;
}
GstVaapiDisplay *
video_output_create_display(const gchar *display_name)
{
const VideoOutputInfo *o = g_video_output;
GstVaapiDisplay *display = NULL;
if (!o) {
if (g_output_name)
o = video_output_lookup(g_output_name);
else {
for (o = g_video_outputs; o->name != NULL; o++) {
display = o->create_display(display_name);
if (display) {
if (gst_vaapi_display_get_display(display))
break;
g_object_unref(display);
display = NULL;
}
}
}
if (!o || !o->name)
return NULL;
g_print("Using %s video output\n", o->name);
g_video_output = o;
}
if (!display)
display = o->create_display(display_name);
return display;
}
GstVaapiWindow *
video_output_create_window(GstVaapiDisplay *display, guint width, guint height)
{
if (!g_video_output)
return NULL;
return g_video_output->create_window(display, width, height);
}