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6bc6b6ebbf
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
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2008> Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* Copyright (C) <2011-2012> Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_OPUS_DEC_H__
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#define __GST_OPUS_DEC_H__
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#include <gst/gst.h>
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#include <gst/audio/gstaudiodecoder.h>
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#include <opus_multistream.h>
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G_BEGIN_DECLS
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#define GST_TYPE_OPUS_DEC \
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(gst_opus_dec_get_type())
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#define GST_OPUS_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPUS_DEC,GstOpusDec))
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#define GST_OPUS_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPUS_DEC,GstOpusDecClass))
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#define GST_IS_OPUS_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPUS_DEC))
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#define GST_IS_OPUS_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPUS_DEC))
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typedef struct _GstOpusDec GstOpusDec;
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typedef struct _GstOpusDecClass GstOpusDecClass;
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struct _GstOpusDec {
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GstAudioDecoder element;
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OpusMSDecoder *state;
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guint64 packetno;
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GstBuffer *streamheader;
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GstBuffer *vorbiscomment;
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guint32 sample_rate;
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guint8 n_channels;
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guint16 pre_skip;
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gint16 r128_gain;
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GstAudioChannelPosition opus_pos[64];
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GstAudioInfo info;
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guint8 n_streams;
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guint8 n_stereo_streams;
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guint8 channel_mapping_family;
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guint8 channel_mapping[256];
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gboolean apply_gain;
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double r128_gain_volume;
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gboolean use_inband_fec;
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GstBuffer *last_buffer;
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gboolean primed;
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guint64 leftover_plc_duration;
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GstClockTime last_known_buffer_duration;
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};
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struct _GstOpusDecClass {
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GstAudioDecoderClass parent_class;
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};
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GType gst_opus_dec_get_type (void);
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G_END_DECLS
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#endif /* __GST_OPUS_DEC_H__ */
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