hvirtual/libmpeg3/audio/ac3.c File Reference

#include <stdint.h>
#include <stdio.h>
#include <a52dec/a52.h>
#include "mpeg3private.h"
#include "mpeg3protos.h"
#include <string.h>

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Functions
mpeg3_ac3_t *	mpeg3_new_ac3 ()
void	mpeg3_delete_ac3 (mpeg3_ac3_t *audio)
int	mpeg3_ac3_check (unsigned char *header)
int	mpeg3_ac3_header (mpeg3_ac3_t *audio, unsigned char *header)
int	mpeg3audio_doac3 (mpeg3_ac3_t *audio, char *frame, int frame_size, float **output, int render)

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Function Documentation

int mpeg3_ac3_check

(

unsigned char *

header

)

Definition at line 29 of file ac3.c.

References a52_syncinfo(), and bitrate.

Referenced by calculate_format().

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int mpeg3_ac3_header	(	mpeg3_ac3_t *	audio,
		unsigned char *	header
	)

Definition at line 39 of file ac3.c.

References A52_2F1R, A52_2F2R, A52_3F, A52_3F1R, A52_3F2R, A52_CHANNEL, A52_CHANNEL_MASK, A52_DOLBY, A52_LFE, A52_MONO, A52_STEREO, a52_syncinfo(), mpeg3_ac3_t::bitrate, mpeg3_ac3_t::channels, mpeg3_ac3_t::flags, mpeg3_ac3_t::framesize, and mpeg3_ac3_t::samplerate.

Referenced by read_header().

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void mpeg3_delete_ac3

(

mpeg3_ac3_t *

audio

)

Definition at line 20 of file ac3.c.

References a52_free(), mpeg3bits_delete_stream(), mpeg3_ac3_t::state, and mpeg3_ac3_t::stream.

Referenced by delete_struct().

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mpeg3_ac3_t* mpeg3_new_ac3

(

)

Definition at line 11 of file ac3.c.

References a52_init(), a52_samples(), mpeg3bits_new_stream(), mpeg3_ac3_t::output, mpeg3_ac3_t::state, and mpeg3_ac3_t::stream.

Referenced by mpeg3audio_decode_audio(), and mpeg3audio_new().

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int mpeg3audio_doac3	(	mpeg3_ac3_t *	audio,
		char *	frame,
		int	frame_size,
		float **	output,
		int	render
	)

Definition at line 103 of file ac3.c.

References A52_3F, A52_3F1R, A52_3F2R, a52_block(), A52_CHANNEL_MASK, a52_dynrng(), a52_frame(), A52_LFE, mpeg3_ac3_t::channels, mpeg3_ac3_t::flags, level, NULL, mpeg3_ac3_t::output, and mpeg3_ac3_t::state.

Referenced by read_frame().

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