hvirtual/quicktime/ffmpeg/libavcodec/mace.c File Reference

#include "avcodec.h"

Include dependency graph for mace.c:

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Data Structures
struct	MACEContext
Functions
static void	chomp3 (MACEContext *ctx, uint8_t val, const uint16_t tab1[], const uint16_t tab2[][8], uint32_t numChannels)
static void	Exp1to3 (MACEContext *ctx, uint8_t *inBuffer, void *outBuffer, uint32_t cnt, uint32_t numChannels, uint32_t whichChannel)
static void	chomp6 (MACEContext *ctx, uint8_t val, const uint16_t tab1[], const uint16_t tab2[][8], uint32_t numChannels)
static void	Exp1to6 (MACEContext *ctx, uint8_t *inBuffer, void *outBuffer, uint32_t cnt, uint32_t numChannels, uint32_t whichChannel)
static int	mace_decode_init (AVCodecContext *avctx)
static int	mace_decode_frame (AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size)
Variables
static const uint16_t	MACEtab1 [] = { 0xfff3, 0x0008, 0x004c, 0x00de, 0x00de, 0x004c, 0x0008, 0xfff3 }
static const uint16_t	MACEtab3 [] = { 0xffee, 0x008c, 0x008c, 0xffee }
static const uint16_t	MACEtab2 [][8]
static const uint16_t	MACEtab4 [][8]
AVCodec	mace3_decoder
AVCodec	mace6_decoder

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Detailed Description

MACE decoder.

Definition in file mace.c.

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Function Documentation

static void chomp3	(	MACEContext *	ctx,
		uint8_t	val,
		const uint16_t	tab1[],
		const uint16_t	tab2[][8],
		uint32_t	numChannels
	)			[static]

Definition at line 242 of file mace.c.

References MACEContext::index, MACEContext::lev, and MACEContext::outPtr.

Referenced by Exp1to3().

static void chomp6	(	MACEContext *	ctx,
		uint8_t	val,
		const uint16_t	tab1[],
		const uint16_t	tab2[][8],
		uint32_t	numChannels
	)			[static]

Definition at line 308 of file mace.c.

References MACEContext::factor, MACEContext::index, MACEContext::level, MACEContext::outPtr, MACEContext::prev2, and MACEContext::previous.

Referenced by Exp1to6().

static void Exp1to3	(	MACEContext *	ctx,
		uint8_t *	inBuffer,
		void *	outBuffer,
		uint32_t	cnt,
		uint32_t	numChannels,
		uint32_t	whichChannel
	)			[static]

Definition at line 263 of file mace.c.

References chomp3(), MACEContext::index, MACEContext::lev, MACEtab1, MACEtab2, MACEtab3, MACEtab4, and MACEContext::outPtr.

Referenced by mace_decode_frame().

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static void Exp1to6	(	MACEContext *	ctx,
		uint8_t *	inBuffer,
		void *	outBuffer,
		uint32_t	cnt,
		uint32_t	numChannels,
		uint32_t	whichChannel
	)			[static]

Definition at line 347 of file mace.c.

References chomp6(), MACEContext::factor, MACEContext::index, MACEContext::level, MACEtab1, MACEtab2, MACEtab3, MACEtab4, MACEContext::outPtr, MACEContext::prev2, and MACEContext::previous.

Referenced by mace_decode_frame().

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static int mace_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		uint8_t *	buf,
		int	buf_size
	)			[static]

Definition at line 400 of file mace.c.

References c, AVCodecContext::channels, AVCodecContext::codec, CODEC_ID_MACE3, CODEC_ID_MACE6, Exp1to3(), Exp1to6(), AVCodec::id, AVCodecContext::priv_data, and samples.

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static int mace_decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 393 of file mace.c.

References AVCodecContext::channels.

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Variable Documentation

AVCodec mace3_decoder

Initial value:

 {
    "mace3",
    CODEC_TYPE_AUDIO,
    CODEC_ID_MACE3,
    sizeof(MACEContext),
    mace_decode_init,
    NULL,
    NULL,
    mace_decode_frame,
}

Definition at line 433 of file mace.c.

Referenced by avcodec_register_all().

AVCodec mace6_decoder

Initial value:

 {
    "mace6",
    CODEC_TYPE_AUDIO,
    CODEC_ID_MACE6,
    sizeof(MACEContext),
    mace_decode_init,
    NULL,
    NULL,
    mace_decode_frame,
}

Definition at line 444 of file mace.c.

Referenced by avcodec_register_all().

const uint16_t MACEtab1[] = { 0xfff3, 0x0008, 0x004c, 0x00de, 0x00de, 0x004c, 0x0008, 0xfff3 } [static]

Definition at line 33 of file mace.c.

Referenced by Exp1to3(), and Exp1to6().

const uint16_t MACEtab2[][8] [static]

Definition at line 37 of file mace.c.

Referenced by Exp1to3(), and Exp1to6().

const uint16_t MACEtab3[] = { 0xffee, 0x008c, 0x008c, 0xffee } [static]

Definition at line 35 of file mace.c.

Referenced by Exp1to3(), and Exp1to6().

const uint16_t MACEtab4[][8] [static]

Definition at line 168 of file mace.c.

Referenced by Exp1to3(), and Exp1to6().