mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-15 12:56:33 +00:00
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/* GStreamer Opus Encoder
|
|
* 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_ENC_H__
|
|
#define __GST_OPUS_ENC_H__
|
|
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/audio/gstaudioencoder.h>
|
|
|
|
#include <opus_multistream.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_OPUS_ENC \
|
|
(gst_opus_enc_get_type())
|
|
#define GST_OPUS_ENC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPUS_ENC,GstOpusEnc))
|
|
#define GST_OPUS_ENC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPUS_ENC,GstOpusEncClass))
|
|
#define GST_IS_OPUS_ENC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPUS_ENC))
|
|
#define GST_IS_OPUS_ENC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPUS_ENC))
|
|
|
|
#define MAX_FRAME_SIZE 2000*2
|
|
#define MAX_FRAME_BYTES 2000
|
|
|
|
typedef enum
|
|
{
|
|
BITRATE_TYPE_CBR,
|
|
BITRATE_TYPE_VBR,
|
|
BITRATE_TYPE_CONSTRAINED_VBR,
|
|
} GstOpusEncBitrateType;
|
|
|
|
typedef struct _GstOpusEnc GstOpusEnc;
|
|
typedef struct _GstOpusEncClass GstOpusEncClass;
|
|
|
|
struct _GstOpusEnc {
|
|
GstAudioEncoder element;
|
|
|
|
OpusMSEncoder *state;
|
|
|
|
/* Locks those properties which may be changed at play time */
|
|
GMutex property_lock;
|
|
|
|
/* properties */
|
|
gint audio_type;
|
|
gint bitrate;
|
|
gint bandwidth;
|
|
gint frame_size;
|
|
GstOpusEncBitrateType bitrate_type;
|
|
gint complexity;
|
|
gboolean inband_fec;
|
|
gboolean dtx;
|
|
gint packet_loss_percentage;
|
|
guint max_payload_size;
|
|
|
|
gint frame_samples;
|
|
gint n_channels;
|
|
gint sample_rate;
|
|
gboolean unpositioned;
|
|
|
|
guint64 encoded_samples, consumed_samples;
|
|
guint16 lookahead, pending_lookahead;
|
|
|
|
guint8 channel_mapping_family;
|
|
guint8 encoding_channel_mapping[256];
|
|
guint8 decoding_channel_mapping[256];
|
|
guint8 n_stereo_streams;
|
|
};
|
|
|
|
struct _GstOpusEncClass {
|
|
GstAudioEncoderClass parent_class;
|
|
|
|
/* signals */
|
|
void (*frame_encoded) (GstElement *element);
|
|
};
|
|
|
|
GType gst_opus_enc_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_OPUS_ENC_H__ */
|