MPADecodeContext Struct Reference

#include <mpegaudio.h>

Public Member Functions
	DECLARE_ALIGNED_8 (uint8_t, last_buf[2 *BACKSTEP_SIZE+EXTRABYTES])
	DECLARE_ALIGNED_16 (MPA_INT, synth_buf[MPA_MAX_CHANNELS][512 *2])
	DECLARE_ALIGNED_16 (int32_t, sb_samples[MPA_MAX_CHANNELS][36][SBLIMIT])
Data Fields
int	last_buf_size
int	frame_size
uint32_t	free_format_next_header
int	error_protection
int	layer
int	sample_rate
int	sample_rate_index
int	bit_rate
GetBitContext	gb
GetBitContext	in_gb
int	nb_channels
int	mode
int	mode_ext
int	lsf
int	synth_buf_offset [MPA_MAX_CHANNELS]
int32_t	mdct_buf [MPA_MAX_CHANNELS][SBLIMIT *18]
void(*	compute_antialias )(struct MPADecodeContext *s, struct GranuleDef *g)
int	adu_mode
	0 for standard mp3, 1 for adu formatted mp3
int	dither_state
int	error_resilience
AVCodecContext *	avctx

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Detailed Description

Definition at line 92 of file mpegaudio.h.

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Member Function Documentation

MPADecodeContext::DECLARE_ALIGNED_8	(	uint8_t	,
		last_buf	[2 *BACKSTEP_SIZE+EXTRABYTES]
	)

MPADecodeContext::DECLARE_ALIGNED_16	(	MPA_INT	,
		synth_buf	[MPA_MAX_CHANNELS][512 *2]
	)

MPADecodeContext::DECLARE_ALIGNED_16	(	int32_t	,
		sb_samples	[MPA_MAX_CHANNELS][36][SBLIMIT]
	)

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Field Documentation

int MPADecodeContext::last_buf_size

Definition at line 94 of file mpegaudio.h.

Referenced by flush(), mp_decode_frame(), and mp_decode_layer3().

int MPADecodeContext::frame_size

Definition at line 95 of file mpegaudio.h.

Referenced by decode_frame(), ff_mpa_decode_header(), and ff_mpegaudio_decode_header().

uint32_t MPADecodeContext::free_format_next_header

Definition at line 97 of file mpegaudio.h.

int MPADecodeContext::error_protection

Definition at line 98 of file mpegaudio.h.

Referenced by ff_mpegaudio_decode_header(), and mp_decode_frame().

int MPADecodeContext::layer

Definition at line 99 of file mpegaudio.h.

Referenced by decode_frame(), ff_mpa_decode_header(), ff_mpegaudio_decode_header(), mp3_parse_vbr_tags(), and mp_decode_frame().

int MPADecodeContext::sample_rate

Definition at line 100 of file mpegaudio.h.

Referenced by decode_frame(), ff_mpa_decode_header(), ff_mpegaudio_decode_header(), mp3_parse_vbr_tags(), and mp_decode_layer2().

int MPADecodeContext::sample_rate_index

Definition at line 101 of file mpegaudio.h.

Referenced by compute_stereo(), exponents_from_scale_factors(), ff_compute_band_indexes(), ff_init_long_region(), ff_init_short_region(), ff_mpegaudio_decode_header(), and reorder_block().

int MPADecodeContext::bit_rate

Definition at line 102 of file mpegaudio.h.

Referenced by decode_frame(), ff_mpa_decode_header(), ff_mpegaudio_decode_header(), and mp_decode_layer2().

GetBitContext MPADecodeContext::gb

Definition at line 103 of file mpegaudio.h.

Referenced by huffman_decode(), mp_decode_frame(), mp_decode_layer1(), mp_decode_layer2(), mp_decode_layer3(), and switch_buffer().

GetBitContext MPADecodeContext::in_gb

Definition at line 104 of file mpegaudio.h.

Referenced by mp_decode_frame(), mp_decode_layer3(), and switch_buffer().

int MPADecodeContext::nb_channels

Definition at line 105 of file mpegaudio.h.

Referenced by decode_frame(), ff_mpa_decode_header(), ff_mpegaudio_decode_header(), mp3_parse_vbr_tags(), mp_decode_frame(), mp_decode_layer1(), mp_decode_layer2(), and mp_decode_layer3().

int MPADecodeContext::mode

Definition at line 106 of file mpegaudio.h.

Referenced by ff_mpegaudio_decode_header(), mp_decode_layer1(), and mp_decode_layer2().

int MPADecodeContext::mode_ext

Definition at line 107 of file mpegaudio.h.

Referenced by compute_stereo(), ff_mpegaudio_decode_header(), mp_decode_layer1(), mp_decode_layer2(), and mp_decode_layer3().

int MPADecodeContext::lsf

Definition at line 108 of file mpegaudio.h.

Referenced by compute_stereo(), decode_frame(), ff_mpa_decode_header(), ff_mpegaudio_decode_header(), mp3_parse_vbr_tags(), mp_decode_layer2(), and mp_decode_layer3().

int MPADecodeContext::synth_buf_offset[MPA_MAX_CHANNELS]

Definition at line 110 of file mpegaudio.h.

Referenced by mp_decode_frame().

int32_t MPADecodeContext::mdct_buf[MPA_MAX_CHANNELS][SBLIMIT *18]

Definition at line 112 of file mpegaudio.h.

Referenced by mp_decode_layer3().

void(* MPADecodeContext::compute_antialias)(struct MPADecodeContext *s, struct GranuleDef *g)

Referenced by decode_init(), and mp_decode_layer3().

int MPADecodeContext::adu_mode

0 for standard mp3, 1 for adu formatted mp3

Definition at line 117 of file mpegaudio.h.

Referenced by decode_init(), and mp_decode_layer3().

int MPADecodeContext::dither_state

Definition at line 118 of file mpegaudio.h.

Referenced by mp_decode_frame().

int MPADecodeContext::error_resilience

Definition at line 119 of file mpegaudio.h.

Referenced by decode_init(), and huffman_decode().

AVCodecContext* MPADecodeContext::avctx

Definition at line 120 of file mpegaudio.h.

Referenced by decode_init(), ff_mpa_decode_header(), ff_mpegaudio_decode_header(), huffman_decode(), mp_decode_frame(), mp_decode_layer2(), and mp_decode_layer3().

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The documentation for this struct was generated from the following file:

• libavcodec/mpegaudio.h