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

Detailed Description

Definition at line 115 of file mlpdec.c.

Field Documentation

int MLPDecodeContext::access_unit_size

number of PCM samples contained in each frame

Definition at line 135 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 137 of file mlpdec.c.

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

AVCodecContext* MLPDecodeContext::avctx

Definition at line 116 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 145 of file mlpdec.c.

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

DSPContext MLPDecodeContext::dsp

Definition at line 148 of file mlpdec.c.

Referenced by filter_channel(), and mlp_decode_init().

int MLPDecodeContext::filter_changed[MAX_CHANNELS][NUM_FILTERS]

Definition at line 142 of file mlpdec.c.

Referenced by read_access_unit(), and read_filter_params().

AVFrame MLPDecodeContext::frame

Definition at line 117 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 120 of file mlpdec.c.

Referenced by read_access_unit().

int MLPDecodeContext::matrix_changed

Definition at line 141 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 129 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 132 of file mlpdec.c.

Referenced by read_major_sync(), and read_restart_header().

int8_t MLPDecodeContext::noise_buffer[MAX_BLOCKSIZE_POW2]

Definition at line 144 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 126 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 123 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 146 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 139 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().

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

libavcodec/mlpdec.c

Generated on Fri Oct 26 02:50:16 2012 for FFmpeg by doxygen 1.5.8