static GstStateChangeReturn
change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GstOmxBaseSink *self;
self = GST_OMX_BASE_SINK (element);
GST_LOG_OBJECT (self, "begin");
GST_INFO_OBJECT (self, "changing state %s - %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!self->initialized) {
if (!omx_init (self))
return GST_PAD_LINK_REFUSED;
self->initialized = TRUE;
}
g_omx_core_prepare (self->gomx);
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
g_omx_core_start (self->gomx);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
g_omx_port_finish (self->in_port);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
goto leave;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
g_omx_port_pause (self->in_port);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
g_omx_core_stop (self->gomx);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
g_omx_core_unload (self->gomx);
break;
default:
break;
}
leave:
GST_LOG_OBJECT (self, "end");
return ret;
}
static GstStateChangeReturn
gst_camerabin_image_change_state (GstElement * element,
GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GstCameraBinImage *img = GST_CAMERABIN_IMAGE (element);
GST_DEBUG_OBJECT (element, "changing state: %s -> %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!gst_camerabin_image_create_elements (img)) {
return GST_STATE_CHANGE_FAILURE;
}
/* Allow setting filename when image bin in READY state */
gst_element_set_locked_state (img->sink, TRUE);
GST_INFO_OBJECT (img, "locking imagebin->sink state to %s",
gst_element_state_get_name (GST_STATE (img->sink)));
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
if (!g_str_equal (img->filename->str, "")) {
GST_INFO_OBJECT (img, "preparing image with filename: %s",
img->filename->str);
gst_element_set_locked_state (img->sink, FALSE);
} else {
GST_INFO_OBJECT (img, "keep sink locked, we have no filename yet");
}
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
/* Set sink to NULL in order to write the file _now_ */
GST_INFO_OBJECT (img, "write image with filename: %s",
img->filename->str);
gst_element_set_locked_state (img->sink, TRUE);
gst_element_set_state (img->sink, GST_STATE_NULL);
g_string_assign (img->filename, "");
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
/* Write debug graph to file */
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (GST_ELEMENT_PARENT (img)),
GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE |
GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS, "imagebin.playing");
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_camerabin_image_destroy_elements (img);
break;
default:
break;
}
GST_DEBUG_OBJECT (element, "changed state: %s -> %s = %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)),
gst_element_state_change_return_get_name (ret));
return ret;
}
static GstStateChangeReturn
change_state (GstElement *element,
GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GstOmxBaseFilter *self;
GOmxCore *core;
self = GST_OMX_BASE_FILTER (element);
core = self->gomx;
GST_LOG_OBJECT (self, "begin");
GST_INFO_OBJECT (self, "changing state %s - %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
switch (transition)
{
case GST_STATE_CHANGE_NULL_TO_READY:
g_omx_core_init (core, self->omx_library, self->omx_component);
if (core->omx_state != OMX_StateLoaded)
{
ret = GST_STATE_CHANGE_FAILURE;
goto leave;
}
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
goto leave;
switch (transition)
{
case GST_STATE_CHANGE_PAUSED_TO_READY:
g_mutex_lock (self->ready_lock);
if (self->ready)
{
/* unlock */
g_omx_port_finish (self->in_port);
g_omx_port_finish (self->out_port);
g_omx_core_stop (core);
g_omx_core_unload (core);
self->ready = FALSE;
}
g_mutex_unlock (self->ready_lock);
if (core->omx_state != OMX_StateLoaded &&
core->omx_state != OMX_StateInvalid)
{
ret = GST_STATE_CHANGE_FAILURE;
goto leave;
}
break;
case GST_STATE_CHANGE_READY_TO_NULL:
g_omx_core_deinit (core);
break;
default:
break;
}
leave:
GST_LOG_OBJECT (self, "end");
return ret;
}
static GstStateChangeReturn
change_state (GstElement *element,
GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GstOmxBaseFilter *self;
self = GST_OMX_BASE_FILTER (element);
GST_LOG_OBJECT (self, "begin");
GST_INFO_OBJECT (self, "changing state %s - %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
switch (transition)
{
case GST_STATE_CHANGE_NULL_TO_READY:
g_omx_core_init (self->gomx, self->omx_library, self->omx_component);
if (self->gomx->omx_error)
return GST_STATE_CHANGE_FAILURE;
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (self->initialized)
{
g_omx_port_finish (self->in_port);
g_omx_port_finish (self->out_port);
}
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition)
{
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (self->initialized)
{
g_omx_core_finish (self->gomx);
self->initialized = FALSE;
}
break;
case GST_STATE_CHANGE_READY_TO_NULL:
g_omx_core_deinit (self->gomx);
if (self->gomx->omx_error)
return GST_STATE_CHANGE_FAILURE;
break;
default:
break;
}
GST_LOG_OBJECT (self, "end");
return ret;
}
static GstStateChangeReturn
gst_glimage_sink_change_state (GstElement * element, GstStateChange transition)
{
GstGLImageSink *glimage_sink;
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GST_DEBUG ("changing state: %s => %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
glimage_sink = GST_GLIMAGE_SINK (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
g_atomic_int_set (&glimage_sink->to_quit, 0);
if (!glimage_sink->display) {
if (!gst_gl_ensure_display (glimage_sink, &glimage_sink->display))
return GST_STATE_CHANGE_FAILURE;
}
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
{
/* mark the redisplay_texture as unavailable (=0)
* to avoid drawing
*/
GST_GLIMAGE_SINK_LOCK (glimage_sink);
glimage_sink->redisplay_texture = 0;
if (glimage_sink->stored_buffer) {
gst_buffer_unref (glimage_sink->stored_buffer);
glimage_sink->stored_buffer = NULL;
}
GST_GLIMAGE_SINK_UNLOCK (glimage_sink);
if (glimage_sink->upload) {
gst_object_unref (glimage_sink->upload);
glimage_sink->upload = NULL;
}
glimage_sink->window_id = 0;
//but do not reset glimage_sink->new_window_id
if (glimage_sink->pool) {
gst_buffer_pool_set_active (glimage_sink->pool, FALSE);
gst_object_unref (glimage_sink->pool);
glimage_sink->pool = NULL;
}
GST_VIDEO_SINK_WIDTH (glimage_sink) = 1;
GST_VIDEO_SINK_HEIGHT (glimage_sink) = 1;
if (glimage_sink->context) {
GstGLWindow *window = gst_gl_context_get_window (glimage_sink->context);
gst_gl_window_send_message (window,
GST_GL_WINDOW_CB (gst_glimage_sink_cleanup_glthread), glimage_sink);
gst_gl_window_set_resize_callback (window, NULL, NULL, NULL);
gst_gl_window_set_draw_callback (window, NULL, NULL, NULL);
gst_gl_window_set_close_callback (window, NULL, NULL, NULL);
gst_object_unref (window);
gst_object_unref (glimage_sink->context);
glimage_sink->context = NULL;
}
if (glimage_sink->display) {
gst_object_unref (glimage_sink->display);
glimage_sink->display = NULL;
}
break;
}
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
static GstStateChangeReturn
change_state (GstElement *element,
GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GstOmxBaseFilter21 *self;
GOmxCore *core;
int i;
self = GST_OMX_BASE_FILTER21(element);
core = self->gomx;
printf("begin: changing state %s -> %s\n",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
GST_INFO_OBJECT (self, "begin: changing state %s -> %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
switch (transition)
{
case GST_STATE_CHANGE_NULL_TO_READY:
g_omx_core_init (core);
if (core->omx_state != OMX_StateLoaded)
{
ret = GST_STATE_CHANGE_FAILURE;
goto leave;
}
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_collect_pads_start(self->collectpads);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_collect_pads_stop(self->collectpads);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
goto leave;
switch (transition)
{
case GST_STATE_CHANGE_PAUSED_TO_READY:
printf("Paused to ready\n");
g_mutex_lock (self->ready_lock);
if (self->ready)
{
/* unlock */
for (i = 0; i < NUM_INPUTS; i++){
g_omx_port_finish (self->in_port[i]);
}
g_omx_port_finish (self->out_port);
g_omx_core_stop (core);
g_omx_core_unload (core);
self->ready = FALSE;
}
g_mutex_unlock (self->ready_lock);
if (core->omx_state != OMX_StateLoaded &&
core->omx_state != OMX_StateInvalid)
{
ret = GST_STATE_CHANGE_FAILURE;
goto leave;
}
break;
case GST_STATE_CHANGE_READY_TO_NULL:
g_omx_core_deinit (core);
break;
default:
break;
}
leave:
GST_LOG_OBJECT (self, "end");
return ret;
}