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#pragma once
/*
* Copyright (C) 2010-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "AEChannelInfo.h"
/**
* The various data formats
* LE = Little Endian, BE = Big Endian, NE = Native Endian
* @note This is ordered from the worst to best preferred formats
*/
enum AEDataFormat
{
AE_FMT_INVALID = -1,
AE_FMT_U8,
AE_FMT_S8,
AE_FMT_S16BE,
AE_FMT_S16LE,
AE_FMT_S16NE,
AE_FMT_S32BE,
AE_FMT_S32LE,
AE_FMT_S32NE,
AE_FMT_S24BE4,
AE_FMT_S24LE4,
AE_FMT_S24NE4, /* S24 in 4 bytes */
AE_FMT_S24BE3,
AE_FMT_S24LE3,
AE_FMT_S24NE3, /* S24 in 3 bytes */
AE_FMT_DOUBLE,
AE_FMT_FLOAT,
/* Bitstream formats */
AE_FMT_AAC,
AE_FMT_AC3,
AE_FMT_DTS,
AE_FMT_EAC3,
AE_FMT_TRUEHD,
AE_FMT_DTSHD,
AE_FMT_LPCM,
/* planar formats */
AE_FMT_U8P,
AE_FMT_S16NEP,
AE_FMT_S32NEP,
AE_FMT_S24NE4P,
AE_FMT_S24NE3P,
AE_FMT_DOUBLEP,
AE_FMT_FLOATP,
AE_FMT_MAX
};
#define AE_IS_RAW(x) ((x) >= AE_FMT_AAC && (x) < AE_FMT_U8P)
#define AE_IS_RAW_HD(x) ((x) >= AE_FMT_EAC3 && (x) < AE_FMT_U8P)
#define AE_IS_PLANAR(x) ((x) >= AE_FMT_U8P && (x) <= AE_FMT_FLOATP)
/**
* The audio format structure that fully defines a stream's audio information
*/
typedef struct AEAudioFormat{
/**
* The stream's data format (eg, AE_FMT_S16LE)
*/
enum AEDataFormat m_dataFormat;
/**
* The stream's sample rate (eg, 48000)
*/
unsigned int m_sampleRate;
/**
* The encoded streams sample rate if a bitstream, otherwise undefined
*/
unsigned int m_encodedRate;
/**
* The stream's channel layout
*/
CAEChannelInfo m_channelLayout;
/**
* The number of frames per period
*/
unsigned int m_frames;
/**
* The number of samples in one frame
*/
unsigned int m_frameSamples;
/**
* The size of one frame in bytes
*/
unsigned int m_frameSize;
AEAudioFormat()
{
m_dataFormat = AE_FMT_INVALID;
m_sampleRate = 0;
m_encodedRate = 0;
m_frames = 0;
m_frameSamples = 0;
m_frameSize = 0;
}
bool operator==(const AEAudioFormat& fmt) const
{
return m_dataFormat == fmt.m_dataFormat &&
m_sampleRate == fmt.m_sampleRate &&
m_encodedRate == fmt.m_encodedRate &&
m_channelLayout == fmt.m_channelLayout &&
m_frames == fmt.m_frames &&
m_frameSamples == fmt.m_frameSamples &&
m_frameSize == fmt.m_frameSize;
}
} AEAudioFormat;
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