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101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/* GStreamer Opus Encoder
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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_ENC_H__
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#define __GST_OPUS_ENC_H__
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#include <gst/gst.h>
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#include <gst/audio/gstaudioencoder.h>
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#include <opus/opus_multistream.h>
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G_BEGIN_DECLS
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#define GST_TYPE_OPUS_ENC \
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(gst_opus_enc_get_type())
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#define GST_OPUS_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPUS_ENC,GstOpusEnc))
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#define GST_OPUS_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPUS_ENC,GstOpusEncClass))
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#define GST_IS_OPUS_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPUS_ENC))
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#define GST_IS_OPUS_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPUS_ENC))
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#define MAX_FRAME_SIZE 2000*2
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#define MAX_FRAME_BYTES 2000
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typedef enum
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{
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BITRATE_TYPE_CBR,
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BITRATE_TYPE_VBR,
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BITRATE_TYPE_CONSTRAINED_VBR,
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} GstOpusEncBitrateType;
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typedef struct _GstOpusEnc GstOpusEnc;
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typedef struct _GstOpusEncClass GstOpusEncClass;
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struct _GstOpusEnc {
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GstAudioEncoder element;
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OpusMSEncoder *state;
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/* Locks those properties which may be changed at play time */
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GMutex property_lock;
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/* properties */
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gint audio_type;
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gint bitrate;
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gint bandwidth;
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gint frame_size;
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GstOpusEncBitrateType bitrate_type;
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gint complexity;
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gboolean inband_fec;
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gboolean dtx;
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gint packet_loss_percentage;
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guint max_payload_size;
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gint frame_samples;
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gint n_channels;
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gint sample_rate;
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guint64 encoded_samples;
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guint8 channel_mapping_family;
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guint8 encoding_channel_mapping[256];
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guint8 decoding_channel_mapping[256];
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guint8 n_stereo_streams;
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};
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struct _GstOpusEncClass {
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GstAudioEncoderClass parent_class;
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/* signals */
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void (*frame_encoded) (GstElement *element);
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};
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GType gst_opus_enc_get_type (void);
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G_END_DECLS
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#endif /* __GST_OPUS_ENC_H__ */
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