MLPDecodeContext Struct Reference

Data Fields
AVCodecContext *	avctx
AVFrame	frame
int	is_major_sync_unit
	Current access unit being read has a major sync.
uint8_t	params_valid
	Set if a valid major sync block has been read. Otherwise no decoding is possible.
uint8_t	num_substreams
	Number of substreams contained within this stream.
uint8_t	max_decoded_substream
	Index of the last substream to decode - further substreams are skipped.
uint8_t	needs_reordering
	Stream needs channel reordering to comply with FFmpeg's channel order.
int	access_unit_size
	number of PCM samples contained in each frame
int	access_unit_size_pow2
	next power of two above the number of samples in each frame
SubStream	substream [MAX_SUBSTREAMS]
int	matrix_changed
int	filter_changed [MAX_CHANNELS][NUM_FILTERS]
int8_t	noise_buffer [MAX_BLOCKSIZE_POW2]
int8_t	bypassed_lsbs [MAX_BLOCKSIZE][MAX_CHANNELS]
int32_t	sample_buffer [MAX_BLOCKSIZE][MAX_CHANNELS]
DSPContext	dsp

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Detailed Description

Definition at line 121 of file mlpdec.c.

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Field Documentation

int MLPDecodeContext::access_unit_size

number of PCM samples contained in each frame

Definition at line 141 of file mlpdec.c.

Referenced by read_block_data(), read_decoding_params(), and read_major_sync().

int MLPDecodeContext::access_unit_size_pow2

next power of two above the number of samples in each frame

Definition at line 143 of file mlpdec.c.

Referenced by fill_noise_buffer(), read_major_sync(), and rematrix_channels().

AVCodecContext* MLPDecodeContext::avctx

Definition at line 122 of file mlpdec.c.

Referenced by mlp_decode_init(), output_data(), read_access_unit(), read_block_data(), read_channel_params(), read_decoding_params(), read_filter_params(), read_major_sync(), read_matrix_params(), and read_restart_header().

int8_t MLPDecodeContext::bypassed_lsbs[MAX_BLOCKSIZE][MAX_CHANNELS]

Definition at line 151 of file mlpdec.c.

Referenced by read_block_data(), read_huff_channels(), and rematrix_channels().

DSPContext MLPDecodeContext::dsp

Definition at line 154 of file mlpdec.c.

Referenced by filter_channel(), and mlp_decode_init().

int MLPDecodeContext::filter_changed[MAX_CHANNELS][NUM_FILTERS]

Definition at line 148 of file mlpdec.c.

Referenced by read_access_unit(), and read_filter_params().

AVFrame MLPDecodeContext::frame

Definition at line 123 of file mlpdec.c.

Referenced by mlp_decode_init(), and output_data().

int MLPDecodeContext::is_major_sync_unit

Current access unit being read has a major sync.

Definition at line 126 of file mlpdec.c.

Referenced by read_access_unit().

int MLPDecodeContext::matrix_changed

Definition at line 147 of file mlpdec.c.

Referenced by read_access_unit(), and read_matrix_params().

uint8_t MLPDecodeContext::max_decoded_substream

Index of the last substream to decode - further substreams are skipped.

Definition at line 135 of file mlpdec.c.

Referenced by read_access_unit(), read_major_sync(), and read_restart_header().

uint8_t MLPDecodeContext::needs_reordering

Stream needs channel reordering to comply with FFmpeg's channel order.

Definition at line 138 of file mlpdec.c.

Referenced by read_major_sync(), and read_restart_header().

int8_t MLPDecodeContext::noise_buffer[MAX_BLOCKSIZE_POW2]

Definition at line 150 of file mlpdec.c.

Referenced by fill_noise_buffer(), and rematrix_channels().

uint8_t MLPDecodeContext::num_substreams

Number of substreams contained within this stream.

Definition at line 132 of file mlpdec.c.

Referenced by read_access_unit(), and read_major_sync().

uint8_t MLPDecodeContext::params_valid

Set if a valid major sync block has been read. Otherwise no decoding is possible.

Definition at line 129 of file mlpdec.c.

Referenced by read_access_unit(), and read_major_sync().

int32_t MLPDecodeContext::sample_buffer[MAX_BLOCKSIZE][MAX_CHANNELS]

Definition at line 152 of file mlpdec.c.

Referenced by filter_channel(), generate_2_noise_channels(), output_data(), read_huff_channels(), and rematrix_channels().

SubStream MLPDecodeContext::substream[MAX_SUBSTREAMS]

Definition at line 145 of file mlpdec.c.

Referenced by calculate_sign_huff(), fill_noise_buffer(), filter_channel(), generate_2_noise_channels(), mlp_decode_init(), output_data(), read_access_unit(), read_block_data(), read_channel_params(), read_decoding_params(), read_filter_params(), read_huff_channels(), read_major_sync(), read_matrix_params(), read_restart_header(), and rematrix_channels().

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

• libavcodec/mlpdec.c