omxaudiosink: experiment with a tunneled clockaudiosink

2 files changed, 79 insertions, 0 deletions

diff --git a/omx/gstomxaudiosink.c b/omx/gstomxaudiosink.c
index d4fdab9..5a70ff0 100644
--- a/omx/gstomxaudiosink.c
+++ b/omx/gstomxaudiosink.c
@@ -275,6 +275,77 @@ gst_omx_audio_sink_volume_range_get (GstOMXAudioSink * self)
   return TRUE;
 }
 
+#if 0                           /*defined (USE_OMX_TARGET_RPI) */
+static gboolean
+gst_omx_audio_sink_clock_add (GstOMXAudioSink * self)
+{
+  GstOMXAudioSinkClass *klass = GST_OMX_AUDIO_SINK_GET_CLASS (self);
+  gint port_index;
+  OMX_ERRORTYPE err;
+  OMX_PORT_PARAM_TYPE param;
+
+  self->clock =
+      gst_omx_component_new (GST_OBJECT_CAST (self), klass->cdata.core_name,
+      "OMX.broadcom.clock", NULL, klass->cdata.hacks);
+
+  if (!self->clock)
+    return FALSE;
+
+  if (gst_omx_component_get_state (self->clock,
+          GST_CLOCK_TIME_NONE) != OMX_StateLoaded)
+    return FALSE;
+
+  GST_OMX_INIT_STRUCT (&param);
+
+  err =
+      gst_omx_component_get_parameter (self->clock, OMX_IndexParamOtherInit,
+      &param);
+  if (err != OMX_ErrorNone) {
+    GST_WARNING_OBJECT (self, "Couldn't get port information: %s (0x%08x)",
+        gst_omx_error_to_string (err), err);
+    /* Fallback */
+    port_index = 0;
+  } else {
+    GST_DEBUG_OBJECT (self, "Detected %u ports, starting at %u",
+        (guint) param.nPorts, (guint) param.nStartPortNumber);
+    port_index = param.nStartPortNumber + 0;
+  }
+
+  self->clock_port = gst_omx_component_add_port (self->clock, port_index);
+
+  if (!self->clock_port)
+    return FALSE;
+
+  err = gst_omx_port_set_enabled (self->out_port, TRUE);
+  if (err != OMX_ErrorNone) {
+    GST_ERROR_OBJECT (self, "Failed to enable port: %s (0x%08x)",
+        gst_omx_error_to_string (err), err);
+    return FALSE;
+  }
+
+  err = gst_omx_setup_tunnel (self->clock_port, self->out_port);
+  if (err != OMX_ErrorNone) {
+    GST_ERROR_OBJECT (self, "Failed to setup tunnel: %s (0x%08x)",
+        gst_omx_error_to_string (err), err);
+    return FALSE;
+  }
+
+  err = gst_omx_component_set_state (self->clock, OMX_StateIdle);
+  if (err != OMX_ErrorNone) {
+    GST_ERROR_OBJECT (self, "Failed to set state idle: %s (0x%08x)",
+        gst_omx_error_to_string (err), err);
+    return FALSE;
+  }
+#if 0
+  if (gst_omx_component_get_state (self->clock,
+          GST_CLOCK_TIME_NONE) != OMX_StateIdle)
+    return FALSE;
+#endif
+
+  return TRUE;
+}
+#endif
+
 static gboolean
 gst_omx_audio_sink_open (GstAudioSink * audiosink)
 {
@@ -696,6 +767,11 @@ gst_omx_audio_sink_prepare (GstAudioSink * audiosink,
       goto configuration;
   }
 
+#if 0                           /*defined (USE_OMX_TARGET_RPI) */
+  if (!gst_omx_audio_sink_clock_add (self))
+    goto activation;
+#endif
+
   err = gst_omx_component_set_state (self->comp, OMX_StateIdle);
   if (err != OMX_ErrorNone) {
     GST_ERROR_OBJECT (self, "Failed to set state idle: %s (0x%08x)",
diff --git a/omx/gstomxaudiosink.h b/omx/gstomxaudiosink.h
index 6d4a8a7..9a64515 100644
--- a/omx/gstomxaudiosink.h
+++ b/omx/gstomxaudiosink.h
@@ -60,6 +60,9 @@ struct _GstOMXAudioSink
   /* < protected > */
   GstOMXComponent *comp;
   GstOMXPort *in_port, *out_port;
+
+  GstOMXComponent *clock;
+  GstOMXPort *clock_port;
   
   gboolean mute;
   gdouble volume;