hvirtual/quicktime/ffmpeg/libavcodec/ac3dec.c File Reference

#include "avcodec.h"
#include "libac3/ac3.h"

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Data Structures
struct	AC3DecodeState
Defines
#define	HEADER_SIZE   7
Functions
static int	ac3_decode_init (AVCodecContext *avctx)
static int	blah (int32_t i)
static void	float_to_int (float *_f, int16_t *s16, int nchannels)
static int	ac3_decode_frame (AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size)
static int	ac3_decode_end (AVCodecContext *s)
Variables
stream_samples_t	samples
AVCodec	ac3_decoder

---

Detailed Description

AC3 decoder.

Definition in file ac3dec.c.

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Define Documentation

#define HEADER_SIZE   7

Definition at line 79 of file ac3dec.c.

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Function Documentation

static int ac3_decode_end

(

AVCodecContext *

s

)

[static]

Definition at line 168 of file ac3dec.c.

static int ac3_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		uint8_t *	buf,
		int	buf_size
	)			[static]

Definition at line 81 of file ac3dec.c.

References AVCodecContext::bit_rate, bit_rate, AVCodecContext::channels, AC3DecodeState::channels, AC3DecodeState::flags, float_to_int(), fprintf, AC3DecodeState::frame_size, HEADER_SIZE, AC3DecodeState::inbuf, AC3DecodeState::inbuf_ptr, level, memcpy, AVCodecContext::priv_data, s, AVCodecContext::sample_rate, samples, and AC3DecodeState::state.

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static int ac3_decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 41 of file ac3dec.c.

References AC3DecodeState::frame_size, AC3DecodeState::inbuf, AC3DecodeState::inbuf_ptr, AVCodecContext::priv_data, and s.

static int blah

(

int32_t

i

)

[inline, static]

Definition at line 54 of file ac3dec.c.

static void float_to_int	(	float *	_f,
		int16_t *	s16,
		int	nchannels
	)			[inline, static]

Definition at line 64 of file ac3dec.c.

References blah(), and c.

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Variable Documentation

AVCodec ac3_decoder

Initial value:

 {
    "ac3",
    CODEC_TYPE_AUDIO,
    CODEC_ID_AC3,
    sizeof(AC3DecodeState),
    ac3_decode_init,
    NULL,
    ac3_decode_end,
    ac3_decode_frame,
}

Definition at line 173 of file ac3dec.c.

stream_samples_t samples

Definition at line 51 of file ac3dec.c.