codec_audio.h File Reference

Audio decoder header file. More...

#include <cstdint>
#include <libavcodec/avcodec.h>

Go to the source code of this file.

Classes
class	cAudioDecoder
	cAudioDecoder - Audio decoder class More...

Macros
#define	CODEC_AC3   0x04
	bits used for the passthrough mask
#define	CODEC_EAC3   0x08
	E-AC-3 bit mask.
#define	CODEC_DTS   0x10
	DTS bit mask.
#define	IEC61937_PREAMBLE1   0xF872
#define	IEC61937_PREAMBLE2   0x4E1F
#define	DTS_PREAMBLE_16BE_1   0x7FFE
#define	DTS_PREAMBLE_16BE_2   0x8001
#define	DTS1_FRAME_SIZE   512
	Codec frame sizes.
#define	DTS2_FRAME_SIZE   1024
#define	DTS3_FRAME_SIZE   2048
#define	AC3_FRAME_SIZE   1536
#define	EAC3_FRAME_SIZE   6144
#define	TRUEHD_FRAME_SIZE   15360
	(not used)
#define	MAX_FRAME_SIZE   EAC3_FRAME_SIZE

Enumerations
enum	IEC61937 {   IEC61937_NULL = 0x00 , IEC61937_AC3 = 0x01 , IEC61937_EAC3 = 0x15 , IEC61937_DTS1 = 0x0B ,   IEC61937_DTS2 = 0x0C , IEC61937_DTS3 = 0x0D , IEC61937_DTSHD = 0x11 , IEC61937_TRUEHD = 0x16 }
	IEC Data type enumeration. More...

Detailed Description

Audio decoder header file.

Copyright

(c) 2009 - 2013, 2015 by Johns. All Rights Reserved.

(c) 2025 by Andreas Baierl. All Rights Reserved.

License

AGPLv3

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License.

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 Affero General Public License for more details.

Definition in file codec_audio.h.

Macro Definition Documentation

AC3_FRAME_SIZE

#define AC3_FRAME_SIZE   1536

Definition at line 65 of file codec_audio.h.

CODEC_AC3

#define CODEC_AC3   0x04

bits used for the passthrough mask

0x01 and 0x02 are kept unused for compatibility with an existing setup.conf AC-3 bit mask

Definition at line 35 of file codec_audio.h.

CODEC_DTS

#define CODEC_DTS   0x10

DTS bit mask.

Definition at line 37 of file codec_audio.h.

CODEC_EAC3

#define CODEC_EAC3   0x08

E-AC-3 bit mask.

Definition at line 36 of file codec_audio.h.

DTS1_FRAME_SIZE

#define DTS1_FRAME_SIZE   512

Codec frame sizes.

Definition at line 62 of file codec_audio.h.

DTS2_FRAME_SIZE

#define DTS2_FRAME_SIZE   1024

Definition at line 63 of file codec_audio.h.

DTS3_FRAME_SIZE

#define DTS3_FRAME_SIZE   2048

Definition at line 64 of file codec_audio.h.

DTS_PREAMBLE_16BE_1

#define DTS_PREAMBLE_16BE_1   0x7FFE

Definition at line 56 of file codec_audio.h.

DTS_PREAMBLE_16BE_2

#define DTS_PREAMBLE_16BE_2   0x8001

Definition at line 57 of file codec_audio.h.

EAC3_FRAME_SIZE

#define EAC3_FRAME_SIZE   6144

Definition at line 66 of file codec_audio.h.

IEC61937_PREAMBLE1

#define IEC61937_PREAMBLE1   0xF872

Definition at line 54 of file codec_audio.h.

IEC61937_PREAMBLE2

#define IEC61937_PREAMBLE2   0x4E1F

Definition at line 55 of file codec_audio.h.

MAX_FRAME_SIZE

#define MAX_FRAME_SIZE   EAC3_FRAME_SIZE

Definition at line 69 of file codec_audio.h.

TRUEHD_FRAME_SIZE

#define TRUEHD_FRAME_SIZE   15360

(not used)

Definition at line 67 of file codec_audio.h.

Enumeration Type Documentation

IEC61937

enum IEC61937

IEC Data type enumeration.

Enumerator
IEC61937_NULL	no data
IEC61937_AC3	AC-3 data.
IEC61937_EAC3	E-AC-3 data.
IEC61937_DTS1	DTS type I (512 samples)
IEC61937_DTS2	DTS type II (1024 samples)
IEC61937_DTS3	DTS type III (2048 samples)
IEC61937_DTSHD	DTS HD data (not used)
IEC61937_TRUEHD	TrueHD data (not used)

Definition at line 42 of file codec_audio.h.