gstreamer/subprojects/gst-plugins-good/sys/osxaudio/gstatenc.h
Sebastian Dröge 0ef396359c gst: Move GstQueueArray as GstVecDeque to core
And change lengths and indices from guint to gsize for a more correct type.

Also deprecate GstQueueArray and implement it in terms of GstVecDeque.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6779>
2024-05-06 18:25:42 +00:00

90 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;
GstVecDeque *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