FFmpeg
libavcodec
alac_data.h
Go to the documentation of this file.
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/*
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* ALAC encoder and decoder common data
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_ALAC_DATA_H
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#define AVCODEC_ALAC_DATA_H
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#include <stdint.h>
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#include "
libavutil/channel_layout.h
"
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enum
AlacRawDataBlockType
{
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/* At the moment, only SCE, CPE, LFE, and END are recognized. */
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TYPE_SCE
,
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TYPE_CPE
,
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TYPE_CCE
,
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TYPE_LFE
,
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TYPE_DSE
,
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TYPE_PCE
,
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TYPE_FIL
,
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TYPE_END
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};
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#define ALAC_MAX_CHANNELS 8
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extern
const
uint8_t
ff_alac_channel_layout_offsets
[
ALAC_MAX_CHANNELS
][
ALAC_MAX_CHANNELS
];
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extern
const
AVChannelLayout
ff_alac_ch_layouts
[
ALAC_MAX_CHANNELS
+ 1];
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extern
const
enum
AlacRawDataBlockType
ff_alac_channel_elements
[
ALAC_MAX_CHANNELS
][5];
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#endif
/* AVCODEC_ALAC_DATA_H */
ff_alac_ch_layouts
const AVChannelLayout ff_alac_ch_layouts[ALAC_MAX_CHANNELS+1]
Definition:
alac_data.c:35
TYPE_DSE
@ TYPE_DSE
Definition:
alac_data.h:34
TYPE_LFE
@ TYPE_LFE
Definition:
alac_data.h:33
TYPE_FIL
@ TYPE_FIL
Definition:
alac_data.h:36
TYPE_CCE
@ TYPE_CCE
Definition:
alac_data.h:32
AVChannelLayout
An AVChannelLayout holds information about the channel layout of audio data.
Definition:
channel_layout.h:311
TYPE_CPE
@ TYPE_CPE
Definition:
alac_data.h:31
ALAC_MAX_CHANNELS
#define ALAC_MAX_CHANNELS
Definition:
alac_data.h:40
channel_layout.h
AlacRawDataBlockType
AlacRawDataBlockType
Definition:
alac_data.h:28
ff_alac_channel_elements
enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5]
Definition:
alac_data.c:47
TYPE_SCE
@ TYPE_SCE
Definition:
alac_data.h:30
TYPE_END
@ TYPE_END
Definition:
alac_data.h:37
TYPE_PCE
@ TYPE_PCE
Definition:
alac_data.h:35
ff_alac_channel_layout_offsets
const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS]
Definition:
alac_data.c:24
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