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c46725845b
Add comments. Add start/stop methods. Add (commented) instance casts at the begin of the method. Make transform_ip returning FLOW_OK by default.
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* vim: set filetype=c: */
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% ClassName
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GstAudioFilter
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% TYPE_CLASS_NAME
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GST_TYPE_AUDIO_FILTER
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% pads
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sinkpad-simple srcpad-simple
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% pkg-config
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gstreamer-audio-0.10
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% includes
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#include <gst/audio/gstaudiofilter.h>
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% prototypes
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static gboolean
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gst_replace_setup (GstAudioFilter * filter, GstRingBufferSpec * format);
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static gboolean
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gst_replace_start (GstBaseTransform * trans);
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static GstFlowReturn
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gst_replace_transform_ip (GstBaseTransform * trans, GstBuffer * buf);
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static gboolean
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gst_replace_stop (GstBaseTransform * trans);
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% declare-class
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GstAudioFilterClass *audio_filter_class = GST_AUDIO_FILTER_CLASS (klass);
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GstBaseTransformClass *base_transform_class = GST_BASE_TRANSFORM_CLASS (klass);
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% set-methods
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audio_filter_class->setup = GST_DEBUG_FUNCPTR (gst_replace_setup);
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base_transform_class->start = GST_DEBUG_FUNCPTR (gst_replace_start);
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base_transform_class->transform_ip = GST_DEBUG_FUNCPTR (gst_replace_transform_ip);
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base_transform_class->stop = GST_DEBUG_FUNCPTR (gst_replace_stop);
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% methods
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static gboolean
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gst_replace_setup (GstAudioFilter * filter, GstRingBufferSpec * format)
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{
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/* GstReplace *replace = GST_REPLACE (filter); */
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/* handle audio format changes */
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return TRUE;
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}
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static gboolean
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gst_replace_start (GstBaseTransform * trans)
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{
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/* GstReplace *replace = GST_REPLACE (trans); */
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/* initialize processing */
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return TRUE;
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}
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static GstFlowReturn
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gst_replace_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
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{
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/* GstReplace *replace = GST_REPLACE (trans); */
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/* process the audio data in the buffer in-place */
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return GST_FLOW_OK;
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}
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static gboolean
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gst_replace_stop (GstBaseTransform * trans)
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{
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/* GstReplace *replace = GST_REPLACE (trans); */
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/* finalize processing */
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return TRUE;
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}
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% end
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