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audiopanorama: cleanup of transform()

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Only map input if we are reading it. Cleanup the logging and the comments a bit.
This commit is contained in:
Stefan Sauer 2013-06-10 21:15:20 +02:00
parent 1dc06932a2
commit 349a60e164
1 changed files with 10 additions and 12 deletions
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22
gst/audiofx/audiopanorama.c
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@ -505,34 +505,32 @@ gst_audio_panorama_transform (GstBaseTransform * base, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstAudioPanorama *filter = GST_AUDIO_PANORAMA (base);
GstClockTime timestamp, stream_time;
GstClockTime ts;
GstMapInfo inmap, outmap;
timestamp = GST_BUFFER_TIMESTAMP (inbuf);
stream_time =
gst_segment_to_stream_time (&base->segment, GST_FORMAT_TIME, timestamp);
ts = gst_segment_to_stream_time (&base->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (inbuf));
GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
if (GST_CLOCK_TIME_IS_VALID (ts)) {
GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT, GST_TIME_ARGS (ts));
gst_object_sync_values (GST_OBJECT (filter), ts);
}
if (GST_CLOCK_TIME_IS_VALID (stream_time))
gst_object_sync_values (GST_OBJECT (filter), stream_time);
gst_buffer_map (inbuf, &inmap, GST_MAP_READ);
gst_buffer_map (outbuf, &outmap, GST_MAP_WRITE);
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (inbuf, GST_BUFFER_FLAG_GAP))) {
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP);
orc_memset (outmap.data, 0, outmap.size);
} else {
/* output always stereo, input mono or stereo,
/* output is always stereo, input is mono or stereo,
* and info describes input format */
guint num_samples = outmap.size / (2 * GST_AUDIO_INFO_BPS (&filter->info));
gst_buffer_map (inbuf, &inmap, GST_MAP_READ);
filter->process (filter->panorama, inmap.data, outmap.data, num_samples);
gst_buffer_unmap (inbuf, &inmap);
}
gst_buffer_unmap (inbuf, &inmap);
gst_buffer_unmap (outbuf, &outmap);
return GST_FLOW_OK;