gstreamer/tests/output.c
2018-06-14 16:41:00 +02:00

245 lines
6 KiB
C

/*
* output.c - Video output helpers
*
* Copyright (C) 2012-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* 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 "gst/vaapi/sysdeps.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>
# include <gst/vaapi/gstvaapipixmap_x11.h>
#endif
#if USE_GLX
# include <gst/vaapi/gstvaapidisplay_glx.h>
# include <gst/vaapi/gstvaapiwindow_glx.h>
#endif
#if USE_EGL
# include <gst/vaapi/gstvaapidisplay_egl.h>
# include <gst/vaapi/gstvaapiwindow_egl.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,
gst_vaapi_pixmap_x11_new},
#endif
#if USE_GLX
{"glx",
gst_vaapi_display_glx_new,
gst_vaapi_window_glx_new,
gst_vaapi_pixmap_x11_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 gboolean g_fullscreen = FALSE;
static gboolean g_egl_mode = FALSE;
static guint g_gles_version;
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},
{"fullscreen", 'f',
0,
G_OPTION_ARG_NONE, &g_fullscreen,
"fullscreen mode", NULL},
{"egl", 0,
0,
G_OPTION_ARG_NONE, &g_egl_mode,
"enable EGL rendering", NULL},
{"gles-version", 0,
0,
G_OPTION_ARG_INT, &g_gles_version,
"OpenGL|ES version (in --egl mode)", 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 *egl_display, *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;
gst_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);
if (g_egl_mode) {
#if USE_EGL
egl_display = gst_vaapi_display_egl_new (display, g_gles_version);
#else
egl_display = NULL;
g_print ("error: unsupported EGL renderering mode\n");
#endif
gst_object_unref (display);
if (!egl_display)
return NULL;
display = egl_display;
}
return display;
}
GstVaapiWindow *
video_output_create_window (GstVaapiDisplay * display, guint width,
guint height)
{
GstVaapiWindow *window;
if (!g_video_output)
return NULL;
#if USE_EGL
if (g_egl_mode)
window = gst_vaapi_window_egl_new (display, width, height);
else
#endif
window = g_video_output->create_window (display, width, height);
if (!window)
return NULL;
/* Force fullscreen mode, should this be requested by the user */
if (g_fullscreen)
gst_vaapi_window_set_fullscreen (window, TRUE);
return window;
}
GstVaapiPixmap *
video_output_create_pixmap (GstVaapiDisplay * display, GstVideoFormat format,
guint width, guint height)
{
if (!g_video_output || !g_video_output->create_pixmap)
return NULL;
return g_video_output->create_pixmap (display, format, width, height);
}