本文整理汇总了C++中GstAudioSinkClass::prepare方法的典型用法代码示例。如果您正苦于以下问题：C++ GstAudioSinkClass::prepare方法的具体用法？C++ GstAudioSinkClass::prepare怎么用？C++ GstAudioSinkClass::prepare使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GstAudioSinkClass的用法示例。
在下文中一共展示了GstAudioSinkClass::prepare方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: memset
static gboolean
gst_audioringbuffer_acquire (GstRingBuffer * buf, GstRingBufferSpec * spec)
{
GstAudioSink *sink;
GstAudioSinkClass *csink;
gboolean result = FALSE;
sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
csink = GST_AUDIO_SINK_GET_CLASS (sink);
if (csink->prepare)
result = csink->prepare (sink, spec);
if (!result)
goto could_not_prepare;
/* set latency to one more segment as we need some headroom */
spec->seglatency = spec->segtotal + 1;
buf->data = gst_buffer_new_and_alloc (spec->segtotal * spec->segsize);
memset (GST_BUFFER_DATA (buf->data), 0, GST_BUFFER_SIZE (buf->data));
return TRUE;
/* ERRORS */
could_not_prepare:
{
GST_DEBUG_OBJECT (sink, "could not prepare device");
return FALSE;
}
}示例2: memset
static gboolean
gst_audio_sink_ring_buffer_acquire (GstAudioRingBuffer * buf,
GstAudioRingBufferSpec * spec)
{
GstAudioSink *sink;
GstAudioSinkClass *csink;
gboolean result = FALSE;
sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
csink = GST_AUDIO_SINK_GET_CLASS (sink);
if (csink->prepare)
result = csink->prepare (sink, spec);
if (!result)
goto could_not_prepare;
/* set latency to one more segment as we need some headroom */
spec->seglatency = spec->segtotal + 1;
buf->size = spec->segtotal * spec->segsize;
buf->memory = g_malloc (buf->size);
if (buf->spec.type == GST_AUDIO_RING_BUFFER_FORMAT_TYPE_RAW) {
gst_audio_format_fill_silence (buf->spec.info.finfo, buf->memory,
buf->size);
} else {
/* FIXME, non-raw formats get 0 as the empty sample */
memset (buf->memory, 0, buf->size);
}
return TRUE;
/* ERRORS */
could_not_prepare:
{
GST_DEBUG_OBJECT (sink, "could not prepare device");
return FALSE;
}
}