mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-04 13:45:52 +00:00
91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2024 Piotr Brzeziński <piotr@centricular.com>
|
||
|
|
*
|
||
|
|
* 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_ATENC_H_
|
||
|
|
#define _GST_ATENC_H_
|
||
|
|
|
||
|
|
#include <AudioToolbox/AudioToolbox.h>
|
||
|
|
#include <gst/gst.h>
|
||
|
|
#include <gst/audio/gstaudioencoder.h>
|
||
|
|
#include <gst/pbutils/codec-utils.h>
|
||
|
|
#include <gst/base/gstbytereader.h>
|
||
|
|
#include <gst/base/gstqueuearray.h>
|
||
|
|
|
||
|
|
#include "gstosxcoreaudiocommon.h"
|
||
|
|
|
||
|
|
G_BEGIN_DECLS
|
||
|
|
#define GST_TYPE_ATENC (gst_atenc_get_type())
|
||
|
|
#define GST_ATENC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ATENC,GstATEnc))
|
||
|
|
#define GST_ATENC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ATENC,GstATEncClass))
|
||
|
|
#define GST_IS_ATENC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ATENC))
|
||
|
|
#define GST_IS_ATENC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ATENC))
|
||
|
|
typedef struct _GstATEnc GstATEnc;
|
||
|
|
typedef struct _GstATEncClass GstATEncClass;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GstATEncRateControl:
|
||
|
|
* @GST_ATENC_RATE_CONTROL_CONSTANT: Constant bitrate
|
||
|
|
* @GST_ATENC_RATE_CONTROL_LONG_TERM_AVERAGE: Long-term-average bitrate
|
||
|
|
* @GST_ATENC_RATE_CONTROL_VARIABLE_CONSTRAINED: Variable constrained bitrate
|
||
|
|
* @GST_ATENC_RATE_CONTROL_VARIABLE: Variable bitrate
|
||
|
|
*
|
||
|
|
* Since: 1.26
|
||
|
|
*/
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
GST_ATENC_RATE_CONTROL_CONSTANT = 0,
|
||
|
|
GST_ATENC_RATE_CONTROL_LONG_TERM_AVERAGE = 1,
|
||
|
|
GST_ATENC_RATE_CONTROL_VARIABLE_CONSTRAINED = 2,
|
||
|
|
GST_ATENC_RATE_CONTROL_VARIABLE = 3,
|
||
|
|
} GstATEncRateControl;
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
gint channels;
|
||
|
|
AudioChannelLayoutTag aac_tag;
|
||
|
|
GstAudioChannelPosition positions[8];
|
||
|
|
} GstATEncLayout;
|
||
|
|
|
||
|
|
struct _GstATEnc
|
||
|
|
{
|
||
|
|
GstAudioEncoder encoder;
|
||
|
|
AudioConverterRef converter;
|
||
|
|
UInt32 max_output_buffer_size;
|
||
|
|
UInt32 n_output_samples;
|
||
|
|
GstQueueArray *input_queue;
|
||
|
|
GstAudioBuffer *used_buffer;
|
||
|
|
gboolean input_eos;
|
||
|
|
|
||
|
|
GstATEncRateControl rate_control;
|
||
|
|
guint32 bitrate;
|
||
|
|
guint32 vbr_quality;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct _GstATEncClass
|
||
|
|
{
|
||
|
|
GstAudioEncoderClass encoder_class;
|
||
|
|
};
|
||
|
|
|
||
|
|
GType gst_atenc_get_type (void);
|
||
|
|
|
||
|
|
GST_ELEMENT_REGISTER_DECLARE (atenc);
|
||
|
|
|
||
|
|
G_END_DECLS
|
||
|
|
#endif
|