| /* vim: set filetype=c: */ |
| % ClassName |
| GstAudioFilter |
| % TYPE_CLASS_NAME |
| GST_TYPE_AUDIO_FILTER |
| % pads |
| sinkpad-simple srcpad-simple |
| % pkg-config |
| gstreamer-audio-0.10 |
| % includes |
| #include <gst/audio/gstaudiofilter.h> |
| % 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 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); |
| 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->stop = GST_DEBUG_FUNCPTR (gst_replace_stop); |
| % 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) |
| { |
| /* 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; |
| } |
| |
| % end |
