static void
update_image (APP_STATE_T * state, GstBuffer * buffer)
{
GstVideoGLTextureUploadMeta *meta = NULL;
if (state->current_buffer) {
gst_buffer_unref (state->current_buffer);
} else {
/* Setup the model world */
init_model_proj (state);
TRACE_VC_MEMORY ("after init_model_proj");
/* initialize the OGLES texture(s) */
init_textures (state, buffer);
TRACE_VC_MEMORY ("after init_textures");
}
state->current_buffer = gst_buffer_ref (buffer);
TRACE_VC_MEMORY_ONCE_FOR_ID ("before GstVideoGLTextureUploadMeta", gid0);
if (state->can_avoid_upload) {
GstMemory *mem = gst_buffer_peek_memory (state->current_buffer, 0);
g_assert (gst_is_gl_memory (mem));
state->tex = ((GstGLMemory *) mem)->tex_id;
} else if ((meta = gst_buffer_get_video_gl_texture_upload_meta (buffer))) {
if (meta->n_textures == 1) {
guint ids[4] = { state->tex, 0, 0, 0 };
if (!gst_video_gl_texture_upload_meta_upload (meta, ids)) {
GST_WARNING ("failed to upload to texture");
}
}
}
TRACE_VC_MEMORY_ONCE_FOR_ID ("after GstVideoGLTextureUploadMeta", gid1);
}
static void
open_ogl (void)
{
TRACE_VC_MEMORY ("state 0");
#if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_EGL)
bcm_host_init ();
TRACE_VC_MEMORY ("after bcm_host_init");
#endif
/* Start OpenGLES */
init_ogl (state);
TRACE_VC_MEMORY ("after init_ogl");
/* Wrap the EGL display */
state->gst_display = gst_egl_display_new (state->display, NULL);
/* Setup the model world */
init_model_proj (state);
TRACE_VC_MEMORY ("after init_model_proj");
/* initialize the OGLES texture(s) */
init_textures (state);
TRACE_VC_MEMORY ("after init_textures");
}
static void
open_ogl (void)
{
TRACE_VC_MEMORY ("state 0");
#if defined (USE_OMX_TARGET_RPI)
bcm_host_init ();
TRACE_VC_MEMORY ("after bcm_host_init");
#endif
/* Create surface and gl context */
init_ogl (state);
TRACE_VC_MEMORY ("after init_ogl");
/* Wrap the EGLDisplay to GstGLDisplayEGL */
state->gst_display = gst_gl_display_egl_new_with_egl_display (state->display);
}
int
main (int argc, char **argv)
{
GstBus *bus;
GOptionContext *ctx;
GIOChannel *io_stdin;
GError *err = NULL;
gboolean res;
GOptionEntry options[] = {
{NULL}
};
GThread *rthread;
/* Clear application state */
memset (state, 0, sizeof (*state));
state->animate = TRUE;
/* must initialise the threading system before using any other GLib funtion */
if (!g_thread_supported ())
g_thread_init (NULL);
ctx = g_option_context_new ("[ADDITIONAL ARGUMENTS]");
g_option_context_add_main_entries (ctx, options, NULL);
g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", GST_STR_NULL (err->message));
exit (1);
}
g_option_context_free (ctx);
if (argc != 2) {
g_print ("Usage: %s <URI> or <PIPELINE-DESCRIPTION>\n", argv[0]);
exit (1);
}
/* Initialize GStreamer */
gst_init (&argc, &argv);
/* initialize inter thread comunnication */
init_intercom (state);
TRACE_VC_MEMORY ("state 0");
if (!(rthread = g_thread_new ("render", (GThreadFunc) render_func, NULL))) {
g_print ("Render thread create failed\n");
exit (1);
}
/* Initialize player */
if (gst_uri_is_valid (argv[1])) {
res = init_playbin_player (state, argv[1]);
} else {
res = init_parse_launch_player (state, argv[1]);
}
if (!res)
goto done;
/* Create a GLib Main Loop and set it to run */
state->main_loop = g_main_loop_new (NULL, FALSE);
/* Add a keyboard watch so we get notified of keystrokes */
io_stdin = g_io_channel_unix_new (fileno (stdin));
g_io_add_watch (io_stdin, G_IO_IN, (GIOFunc) handle_keyboard, state);
g_io_channel_unref (io_stdin);
/* *INDENT-OFF* */
g_print ("Available commands: \n"
" a - Toggle animation \n"
" p - Pause playback \n"
" r - Resume playback \n"
" l - Query position/duration\n"
" f - Seek 30 seconds forward \n"
" b - Seek 30 seconds backward \n"
" q - Quit \n");
/* *INDENT-ON* */
/* Connect the bus handlers */
bus = gst_element_get_bus (state->pipeline);
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) bus_sync_handler, state,
NULL);
gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
gst_bus_enable_sync_message_emission (bus);
g_signal_connect (G_OBJECT (bus), "message::error", (GCallback) error_cb,
state);
g_signal_connect (G_OBJECT (bus), "message::buffering",
(GCallback) buffering_cb, state);
g_signal_connect (G_OBJECT (bus), "message::eos", (GCallback) eos_cb, state);
g_signal_connect (G_OBJECT (bus), "message::qos", (GCallback) qos_cb, state);
g_signal_connect (G_OBJECT (bus), "message::state-changed",
(GCallback) state_changed_cb, state);
gst_object_unref (bus);
/* Make player start playing */
gst_element_set_state (state->pipeline, GST_STATE_PLAYING);
/* Start the mainloop */
state->main_loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (state->main_loop);
done:
/* Release pipeline */
if (state->pipeline) {
gst_element_set_state (state->pipeline, GST_STATE_NULL);
if (state->vsink) {
gst_object_unref (state->vsink);
state->vsink = NULL;
}
gst_object_unref (state->pipeline);
}
/* Unref the mainloop */
if (state->main_loop) {
g_main_loop_unref (state->main_loop);
}
/* Stop rendering thread */
state->running = FALSE;
g_thread_join (rthread);
terminate_intercom (state);
TRACE_VC_MEMORY ("at exit");
return 0;
}
