gstreamer/subprojects/gst-plugins-bad/ext/fdkaac/gstfdkaacenc.h
2022-10-30 16:54:51 +05:30

104 lines
2.9 KiB
C

/*
* Copyright (C) 2016 Sebastian Dröge <sebastian@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_FDKAACENC_H__
#define __GST_FDKAACENC_H__
#include <gst/gst.h>
#include <gst/audio/gstaudioencoder.h>
#include <fdk-aac/aacenc_lib.h>
G_BEGIN_DECLS
#define GST_TYPE_FDKAACENC \
(gst_fdkaacenc_get_type())
#define GST_FDKAACENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_FDKAACENC, GstFdkAacEnc))
#define GST_FDKAACENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_FDKAACENC, GstFdkAacEncClass))
#define GST_IS_FDKAACENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_FDKAACENC))
#define GST_IS_FDKAACENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_FDKAACENC))
typedef struct _GstFdkAacEnc GstFdkAacEnc;
typedef struct _GstFdkAacEncClass GstFdkAacEncClass;
/**
* GstFdkAacVbrPreset:
* @GST_FDK_AAC_VBR_PRESET_VERY_LOW: Very Low Variable Bitrate.
* @GST_FDK_AAC_VBR_PRESET_LOW: Low Variable Bitrate.
* @GST_FDK_AAC_VBR_PRESET_MEDIUM: Medium Variable Bitrate.
* @GST_FDK_AAC_VBR_PRESET_HIGH: High Variable Bitrate.
* @GST_FDK_AAC_VBR_PRESET_VERY_HIGH: Very High Variable Bitrate.
*
* Since: 1.22
*/
typedef enum
{
GST_FDK_AAC_VBR_PRESET_VERY_LOW = 1,
GST_FDK_AAC_VBR_PRESET_LOW,
GST_FDK_AAC_VBR_PRESET_MEDIUM,
GST_FDK_AAC_VBR_PRESET_HIGH,
GST_FDK_AAC_VBR_PRESET_VERY_HIGH
} GstFdkAacVbrPreset;
/**
* GstFdkAacRateControl:
* @GST_FDK_AAC_RATE_CONTROL_CONSTANT_BITRATE: Constant Bitrate.
* @GST_FDK_AAC_RATE_CONTROL_VARIABLE_BITRATE: Variable Bitrate.
*
* Since: 1.22
*/
typedef enum
{
GST_FDK_AAC_RATE_CONTROL_CONSTANT_BITRATE = 0,
GST_FDK_AAC_RATE_CONTROL_VARIABLE_BITRATE,
} GstFdkAacRateControl;
struct _GstFdkAacEnc {
GstAudioEncoder element;
HANDLE_AACENCODER enc;
gint bitrate;
guint outbuf_size, samples_per_frame;
gboolean need_reorder;
const GstAudioChannelPosition *aac_positions;
gboolean is_drained;
guint peak_bitrate;
gboolean afterburner;
GstFdkAacRateControl rate_control;
GstFdkAacVbrPreset vbr_preset;
};
struct _GstFdkAacEncClass {
GstAudioEncoderClass parent_class;
};
GType gst_fdkaacenc_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (fdkaacenc);
G_END_DECLS
#endif /* __GST_FDKAACENC_H__ */