gstreamer/ext/opus/gstopusdec.h
Vincent Penquerc'h 6bc6b6ebbf opusdec: handle missing buffers with no duration
If buffer duration is missing, it is parsed from the packet data.
This is not foolproof, since Opus can change durations on the
fly.

https://bugzilla.gnome.org/show_bug.cgi?id=767826
2016-06-21 10:48:40 +01:00

88 lines
2.4 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2008> Sebastian Dröge <sebastian.droege@collabora.co.uk>
* Copyright (C) <2011-2012> Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
*
* 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_OPUS_DEC_H__
#define __GST_OPUS_DEC_H__
#include <gst/gst.h>
#include <gst/audio/gstaudiodecoder.h>
#include <opus_multistream.h>
G_BEGIN_DECLS
#define GST_TYPE_OPUS_DEC \
(gst_opus_dec_get_type())
#define GST_OPUS_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPUS_DEC,GstOpusDec))
#define GST_OPUS_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPUS_DEC,GstOpusDecClass))
#define GST_IS_OPUS_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPUS_DEC))
#define GST_IS_OPUS_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPUS_DEC))
typedef struct _GstOpusDec GstOpusDec;
typedef struct _GstOpusDecClass GstOpusDecClass;
struct _GstOpusDec {
GstAudioDecoder element;
OpusMSDecoder *state;
guint64 packetno;
GstBuffer *streamheader;
GstBuffer *vorbiscomment;
guint32 sample_rate;
guint8 n_channels;
guint16 pre_skip;
gint16 r128_gain;
GstAudioChannelPosition opus_pos[64];
GstAudioInfo info;
guint8 n_streams;
guint8 n_stereo_streams;
guint8 channel_mapping_family;
guint8 channel_mapping[256];
gboolean apply_gain;
double r128_gain_volume;
gboolean use_inband_fec;
GstBuffer *last_buffer;
gboolean primed;
guint64 leftover_plc_duration;
GstClockTime last_known_buffer_duration;
};
struct _GstOpusDecClass {
GstAudioDecoderClass parent_class;
};
GType gst_opus_dec_get_type (void);
G_END_DECLS
#endif /* __GST_OPUS_DEC_H__ */