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