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108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/* vim: set filetype=c: */
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% ClassName
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GstAudioSink
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% TYPE_CLASS_NAME
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GST_TYPE_AUDIO_SINK
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% pads
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sinkpad-audio
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% pkg-config
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gstreamer-audio-1.0
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% includes
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#include <gst/audio/gstaudiosink.h>
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% prototypes
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static gboolean gst_replace_open (GstAudioSink * sink);
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static gboolean gst_replace_prepare (GstAudioSink * sink,
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GstAudioRingBufferSpec * spec);
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static gboolean gst_replace_unprepare (GstAudioSink * sink);
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static gboolean gst_replace_close (GstAudioSink * sink);
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static gint gst_replace_write (GstAudioSink * sink, gpointer data,
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guint length);
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static guint gst_replace_delay (GstAudioSink * sink);
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static void gst_replace_reset (GstAudioSink * sink);
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% declare-class
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GstAudioSinkClass *audio_sink_class = GST_AUDIO_SINK_CLASS (klass);
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% set-methods
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audio_sink_class->open = GST_DEBUG_FUNCPTR (gst_replace_open);
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audio_sink_class->prepare = GST_DEBUG_FUNCPTR (gst_replace_prepare);
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audio_sink_class->unprepare = GST_DEBUG_FUNCPTR (gst_replace_unprepare);
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audio_sink_class->close = GST_DEBUG_FUNCPTR (gst_replace_close);
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audio_sink_class->write = GST_DEBUG_FUNCPTR (gst_replace_write);
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audio_sink_class->delay = GST_DEBUG_FUNCPTR (gst_replace_delay);
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audio_sink_class->reset = GST_DEBUG_FUNCPTR (gst_replace_reset);
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% methods
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/* open the device with given specs */
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static gboolean
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gst_replace_open (GstAudioSink * sink)
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{
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GstReplace *replace = GST_REPLACE (sink);
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GST_DEBUG_OBJECT (replace, "open");
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return TRUE;
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}
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/* prepare resources and state to operate with the given specs */
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static gboolean
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gst_replace_prepare (GstAudioSink * sink, GstAudioRingBufferSpec * spec)
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{
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GstReplace *replace = GST_REPLACE (sink);
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GST_DEBUG_OBJECT (replace, "prepare");
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return TRUE;
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}
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/* undo anything that was done in prepare() */
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static gboolean
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gst_replace_unprepare (GstAudioSink * sink)
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{
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GstReplace *replace = GST_REPLACE (sink);
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GST_DEBUG_OBJECT (replace, "unprepare");
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return TRUE;
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}
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/* close the device */
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static gboolean
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gst_replace_close (GstAudioSink * sink)
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{
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GstReplace *replace = GST_REPLACE (sink);
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GST_DEBUG_OBJECT (replace, "close");
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return TRUE;
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}
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/* write samples to the device */
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static gint
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gst_replace_write (GstAudioSink * sink, gpointer data, guint length)
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{
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GstReplace *replace = GST_REPLACE (sink);
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GST_DEBUG_OBJECT (replace, "write");
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return 0;
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}
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/* get number of samples queued in the device */
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static guint
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gst_replace_delay (GstAudioSink * sink)
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{
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GstReplace *replace = GST_REPLACE (sink);
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GST_DEBUG_OBJECT (replace, "delay");
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return 0;
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}
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/* reset the audio device, unblock from a write */
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static void
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gst_replace_reset (GstAudioSink * sink)
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{
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GstReplace *replace = GST_REPLACE (sink);
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GST_DEBUG_OBJECT (replace, "reset");
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}
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% end
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