static gboolean
activate_push (GstPad *pad,
gboolean active)
{
gboolean result = TRUE;
GstOmxBaseFilter *self;
self = GST_OMX_BASE_FILTER (gst_pad_get_parent (pad));
if (active)
{
GST_DEBUG_OBJECT (self, "activate");
/* task may carry on */
g_atomic_int_set (&self->last_pad_push_return, GST_FLOW_OK);
/* we do not start the task yet if the pad is not connected */
if (gst_pad_is_linked (pad))
{
if (self->ready)
{
/** @todo link callback function also needed */
g_omx_port_resume (self->in_port);
g_omx_port_resume (self->out_port);
result = gst_pad_start_task (pad, output_loop, pad);
}
}
}
else
{
GST_DEBUG_OBJECT (self, "deactivate");
/* persuade task to bail out */
g_atomic_int_set (&self->last_pad_push_return, GST_FLOW_WRONG_STATE);
if (self->ready)
{
/** @todo disable this until we properly reinitialize the buffers. */
#if 0
/* flush all buffers */
OMX_SendCommand (self->gomx->omx_handle, OMX_CommandFlush, OMX_ALL, NULL);
#endif
/* unlock loops */
g_omx_port_pause (self->in_port);
g_omx_port_pause (self->out_port);
}
/* make sure streaming finishes */
result = gst_pad_stop_task (pad);
}
gst_object_unref (self);
return result;
}
static gboolean
activate_push (GstPad *pad,
gboolean active)
{
gboolean result = TRUE;
GstOmxBaseFilter21 *self;
int i;
self = GST_OMX_BASE_FILTER21 (gst_pad_get_parent (pad));
if (active)
{
GST_DEBUG_OBJECT (self, "activate");
self->last_pad_push_return = GST_FLOW_OK;
/* we do not start the task yet if the pad is not connected */
if (gst_pad_is_linked (pad))
{
if (self->ready)
{
/** @todo link callback function also needed */
for (i = 0; i < NUM_INPUTS; i++)
g_omx_port_resume (self->in_port[i]);
g_omx_port_resume (self->out_port);
//result = gst_pad_start_task (pad, output_loop, pad);
}
}
}
else
{
GST_DEBUG_OBJECT (self, "deactivate");
if (self->ready)
{
/* unlock loops */
for (i = 0; i < NUM_INPUTS; i++)
g_omx_port_pause (self->in_port[i]);
g_omx_port_pause (self->out_port);
}
/* make sure streaming finishes */
result = gst_pad_stop_task (pad);
}
gst_object_unref (self);
return result;
}
void
g_omx_port_disable (GOmxPort *port)
{
GOmxCore *core;
core = port->core;
OMX_SendCommand (core->omx_handle, OMX_CommandPortDisable, port->port_index, NULL);
g_omx_port_pause (port);
g_omx_port_flush (port);
port_free_buffers (port);
g_sem_down (core->port_sem);
}
static gboolean
handle_event (GstBaseSink *gst_base,
GstEvent *event)
{
GstOmxBaseSink *self;
GOmxCore *gomx;
GOmxPort *in_port;
self = GST_OMX_BASE_SINK (gst_base);
gomx = self->gomx;
in_port = self->in_port;
GST_LOG_OBJECT (self, "begin");
GST_DEBUG_OBJECT (self, "event: %s", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event))
{
case GST_EVENT_EOS:
/* Close the inpurt port. */
g_omx_core_set_done (gomx);
break;
case GST_EVENT_FLUSH_START:
/* unlock loops */
g_omx_port_pause (in_port);
/* flush all buffers */
OMX_SendCommand (gomx->omx_handle, OMX_CommandFlush, OMX_ALL, NULL);
break;
case GST_EVENT_FLUSH_STOP:
g_sem_down (gomx->flush_sem);
g_omx_port_resume (in_port);
break;
default:
break;
}
GST_LOG_OBJECT (self, "end");
return TRUE;
}
static gboolean
activate_push (GstPad *pad,
gboolean active)
{
gboolean result = TRUE;
GstOmxBaseSink *self;
self = GST_OMX_BASE_SINK (gst_pad_get_parent (pad));
if (active)
{
GST_DEBUG_OBJECT (self, "activate");
/* we do not start the task yet if the pad is not connected */
if (gst_pad_is_linked (pad))
{
/** @todo link callback function also needed */
g_omx_port_resume (self->in_port);
}
}
else
{
GST_DEBUG_OBJECT (self, "deactivate");
/** @todo disable this until we properly reinitialize the buffers. */
#if 0
/* flush all buffers */
OMX_SendCommand (self->gomx->omx_handle, OMX_CommandFlush, OMX_ALL, NULL);
#endif
/* unlock loops */
g_omx_port_pause (self->in_port);
}
gst_object_unref (self);
if (result)
result = self->base_activatepush (pad, active);
return result;
}
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;
}
