1 files changed, 95 insertions, 0 deletions
diff --git a/omx/gstomx_base_audiodec.c b/omx/gstomx_base_audiodec.c
new file mode 100644
index 0000000..25f19cb
--- /dev/null
+++ b/omx/gstomx_base_audiodec.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2009 Texas Instruments, Inc.
+ *
+ * Author: Rob Clark <rob@ti.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
+ * version 2.1 of the License.
+ *
+ * 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 "gstomx_base_audiodec.h"
+#include "gstomx.h"
+
+GSTOMX_BOILERPLATE (GstOmxBaseAudioDec, gst_omx_base_audiodec, GstOmxBaseFilter, GST_OMX_BASE_FILTER_TYPE);
+
+static void
+type_base_init (gpointer g_class)
+{
+}
+
+static void
+type_class_init (gpointer g_class,
+                 gpointer class_data)
+{
+}
+
+static void
+settings_changed_cb (GOmxCore *core)
+{
+    GstOmxBaseFilter *omx_base;
+    guint rate;
+    guint channels;
+
+    omx_base = core->object;
+
+    GST_DEBUG_OBJECT (omx_base, "settings changed");
+
+    {
+        OMX_AUDIO_PARAM_PCMMODETYPE param;
+
+        G_OMX_INIT_PARAM (param);
+
+        param.nPortIndex = omx_base->out_port->port_index;
+        OMX_GetParameter (omx_base->gomx->omx_handle, OMX_IndexParamAudioPcm, &param);
+
+        rate = param.nSamplingRate;
+        channels = param.nChannels;
+        if (rate == 0)
+        {
+            /** @todo: this shouldn't happen. */
+            GST_WARNING_OBJECT (omx_base, "Bad samplerate");
+            rate = 44100;
+        }
+    }
+
+    {
+        GstCaps *new_caps;
+
+        new_caps = gst_caps_new_simple ("audio/x-raw-int",
+                                        "width", G_TYPE_INT, 16,
+                                        "depth", G_TYPE_INT, 16,
+                                        "rate", G_TYPE_INT, rate,
+                                        "signed", G_TYPE_BOOLEAN, TRUE,
+                                        "endianness", G_TYPE_INT, G_BYTE_ORDER,
+                                        "channels", G_TYPE_INT, channels,
+                                        NULL);
+
+        GST_INFO_OBJECT (omx_base, "caps are: %" GST_PTR_FORMAT, new_caps);
+        gst_pad_set_caps (omx_base->srcpad, new_caps);
+    }
+}
+
+static void
+type_instance_init (GTypeInstance *instance,
+                    gpointer g_class)
+{
+    GstOmxBaseFilter *omx_base;
+
+    omx_base = GST_OMX_BASE_FILTER (instance);
+
+    GST_DEBUG_OBJECT (omx_base, "start");
+
+    omx_base->gomx->settings_changed_cb = settings_changed_cb;
+}