Add comments. Add start/stop methods. Add (commented) instance casts at the
begin of the method. Make transform_ip returning FLOW_OK by default.
% prototypes
static gboolean
gst_replace_setup (GstAudioFilter * filter, GstRingBufferSpec * format);
% prototypes
static gboolean
gst_replace_setup (GstAudioFilter * filter, GstRingBufferSpec * format);
+static gboolean
+gst_replace_start (GstBaseTransform * trans);
static GstFlowReturn
gst_replace_transform_ip (GstBaseTransform * trans, GstBuffer * buf);
static GstFlowReturn
gst_replace_transform_ip (GstBaseTransform * trans, GstBuffer * buf);
+static gboolean
+gst_replace_stop (GstBaseTransform * trans);
% declare-class
GstAudioFilterClass *audio_filter_class = GST_AUDIO_FILTER_CLASS (klass);
GstBaseTransformClass *base_transform_class = GST_BASE_TRANSFORM_CLASS (klass);
% set-methods
audio_filter_class->setup = GST_DEBUG_FUNCPTR (gst_replace_setup);
% declare-class
GstAudioFilterClass *audio_filter_class = GST_AUDIO_FILTER_CLASS (klass);
GstBaseTransformClass *base_transform_class = GST_BASE_TRANSFORM_CLASS (klass);
% set-methods
audio_filter_class->setup = GST_DEBUG_FUNCPTR (gst_replace_setup);
+ base_transform_class->start = GST_DEBUG_FUNCPTR (gst_replace_start);
base_transform_class->transform_ip = GST_DEBUG_FUNCPTR (gst_replace_transform_ip);
base_transform_class->transform_ip = GST_DEBUG_FUNCPTR (gst_replace_transform_ip);
+ base_transform_class->stop = GST_DEBUG_FUNCPTR (gst_replace_stop);
% methods
static gboolean
gst_replace_setup (GstAudioFilter * filter, GstRingBufferSpec * format)
{
% methods
static gboolean
gst_replace_setup (GstAudioFilter * filter, GstRingBufferSpec * format)
{
+ /* GstReplace *replace = GST_REPLACE (filter); */
+
+ /* handle audio format changes */
+ return TRUE;
+}
+
+static gboolean
+gst_replace_start (GstBaseTransform * trans)
+{
+ /* GstReplace *replace = GST_REPLACE (trans); */
+
+ /* initialize processing */
return TRUE;
}
static GstFlowReturn
gst_replace_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
{
return TRUE;
}
static GstFlowReturn
gst_replace_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
{
+ /* GstReplace *replace = GST_REPLACE (trans); */
+
+ /* process the audio data in the buffer in-place */
+ return GST_FLOW_OK;
+}
+static gboolean
+gst_replace_stop (GstBaseTransform * trans)
+{
+ /* GstReplace *replace = GST_REPLACE (trans); */
+
+ /* finalize processing */
+ return TRUE;