gstreamer/gst-libs/gst/audio/gstaudiostreamalign.h
Sebastian Dröge ec1e20ffe5 audio: Add helper object for audio discontinuity detection and sample alignment
This is the same code that is in decklinkaudiosrc, audioringbuffer,
audiomixer and various other places. Have it once instead of copying it
everywhere.

https://bugzilla.gnome.org/show_bug.cgi?id=787560
2017-09-28 14:06:05 +03:00

74 lines
3.5 KiB
C

/* GStreamer
* Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
*
* gstaudiostreamalign.h:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_AUDIO_STREAM_ALIGN_H__
#define __GST_AUDIO_STREAM_ALIGN_H__
#include <gst/gst.h>
#define GST_TYPE_AUDIO_INFO_STREAM_ALIGN (gst_audio_stream_align_get_type ())
typedef struct _GstAudioStreamAlign GstAudioStreamAlign;
GST_EXPORT
GType gst_audio_stream_align_get_type (void);
GST_EXPORT
GstAudioStreamAlign * gst_audio_stream_align_new (gint rate,
GstClockTime alignment_threshold,
GstClockTime discont_wait);
GST_EXPORT
GstAudioStreamAlign * gst_audio_stream_align_copy (const GstAudioStreamAlign * align);
GST_EXPORT
void gst_audio_stream_align_free (GstAudioStreamAlign * align);
GST_EXPORT
void gst_audio_stream_align_set_rate (GstAudioStreamAlign * align,
gint rate);
GST_EXPORT
gint gst_audio_stream_align_get_rate (GstAudioStreamAlign * align);
GST_EXPORT
void gst_audio_stream_align_set_alignment_threshold (GstAudioStreamAlign * align,
GstClockTime alignment_threshold);
GST_EXPORT
GstClockTime gst_audio_stream_align_get_alignment_threshold (GstAudioStreamAlign * align);
GST_EXPORT
void gst_audio_stream_align_set_discont_wait (GstAudioStreamAlign * align,
GstClockTime discont_wait);
GST_EXPORT
GstClockTime gst_audio_stream_align_get_discont_wait (GstAudioStreamAlign * align);
GST_EXPORT
void gst_audio_stream_align_mark_discont (GstAudioStreamAlign * align);
GST_EXPORT
gboolean gst_audio_stream_align_process (GstAudioStreamAlign * align,
gboolean discont,
GstClockTime timestamp,
guint n_samples,
GstClockTime *out_timestamp,
GstClockTime *out_duration,
guint64 *out_sample_position);
#endif /* __GST_AUDIO_STREAM_ALIGN_H__ */