2 * Copyright (C) 2016 Sebastian Dröge <sebastian@centricular.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
20 #ifndef __GST_FDKAACENC_H__
21 #define __GST_FDKAACENC_H__
24 #include <gst/audio/gstaudioencoder.h>
26 #include <fdk-aac/aacenc_lib.h>
30 #define GST_TYPE_FDKAACENC \
31 (gst_fdkaacenc_get_type())
32 #define GST_FDKAACENC(obj) \
33 (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_FDKAACENC, GstFdkAacEnc))
34 #define GST_FDKAACENC_CLASS(klass) \
35 (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_FDKAACENC, GstFdkAacEncClass))
36 #define GST_IS_FDKAACENC(obj) \
37 (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_FDKAACENC))
38 #define GST_IS_FDKAACENC_CLASS(klass) \
39 (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_FDKAACENC))
41 typedef struct _GstFdkAacEnc GstFdkAacEnc;
42 typedef struct _GstFdkAacEncClass GstFdkAacEncClass;
46 * @GST_FDK_AAC_VBR_PRESET_VERY_LOW: Very Low Variable Bitrate.
47 * @GST_FDK_AAC_VBR_PRESET_LOW: Low Variable Bitrate.
48 * @GST_FDK_AAC_VBR_PRESET_MEDIUM: Medium Variable Bitrate.
49 * @GST_FDK_AAC_VBR_PRESET_HIGH: High Variable Bitrate.
50 * @GST_FDK_AAC_VBR_PRESET_VERY_HIGH: Very High Variable Bitrate.
56 GST_FDK_AAC_VBR_PRESET_VERY_LOW = 1,
57 GST_FDK_AAC_VBR_PRESET_LOW,
58 GST_FDK_AAC_VBR_PRESET_MEDIUM,
59 GST_FDK_AAC_VBR_PRESET_HIGH,
60 GST_FDK_AAC_VBR_PRESET_VERY_HIGH
64 * GstFdkAacRateControl:
65 * @GST_FDK_AAC_RATE_CONTROL_CONSTANT_BITRATE: Constant Bitrate.
66 * @GST_FDK_AAC_RATE_CONTROL_VARIABLE_BITRATE: Variable Bitrate.
72 GST_FDK_AAC_RATE_CONTROL_CONSTANT_BITRATE = 0,
73 GST_FDK_AAC_RATE_CONTROL_VARIABLE_BITRATE,
74 } GstFdkAacRateControl;
76 struct _GstFdkAacEnc {
77 GstAudioEncoder element;
79 HANDLE_AACENCODER enc;
82 guint outbuf_size, samples_per_frame;
83 gboolean need_reorder;
84 const GstAudioChannelPosition *aac_positions;
90 GstFdkAacRateControl rate_control;
91 GstFdkAacVbrPreset vbr_preset;
94 struct _GstFdkAacEncClass {
95 GstAudioEncoderClass parent_class;
98 GType gst_fdkaacenc_get_type (void);
100 GST_ELEMENT_REGISTER_DECLARE (fdkaacenc);
104 #endif /* __GST_FDKAACENC_H__ */