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FFmpeg
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FFmpeg
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Data Fields | |
| uint8_t | restart_seen |
| Set if a valid restart header has been read. Otherwise the substream cannot be decoded. | |
| uint8_t | quant_step_size [MAX_CHANNELS] |
| Left shift to apply to Huffman-decoded residuals. | |
| uint16_t | blocksize |
| number of PCM samples in current audio block | |
| uint16_t | blockpos |
| Number of PCM samples decoded so far in this frame. | |
| int8_t | output_shift [MAX_CHANNELS] |
| Left shift to apply to decoded PCM values to get final 24-bit output. | |
| int32_t | lossless_check_data |
| Running XOR of all output samples. | |
| uint16_t | noise_type |
| restart header data | |
| uint8_t | min_channel |
| The index of the first channel coded in this substream. | |
| uint8_t | max_channel |
| The index of the last channel coded in this substream. | |
| uint8_t | max_matrix_channel |
| The number of channels input into the rematrix stage. | |
| uint8_t | ch_assign [MAX_CHANNELS] |
| For each channel output by the matrix, the output channel to map it to. | |
| uint64_t | ch_layout |
| The channel layout for this substream. | |
| ChannelParams | channel_params [MAX_CHANNELS] |
| Channel coding parameters for channels in the substream. | |
| uint8_t | noise_shift |
| The left shift applied to random noise in 0x31ea substreams. | |
| uint32_t | noisegen_seed |
| The current seed value for the pseudorandom noise generator(s). | |
| uint8_t | data_check_present |
| Set if the substream contains extra info to check the size of VLC blocks. | |
| uint8_t | param_presence_flags |
| Bitmask of which parameter sets are conveyed in a decoding parameter block. | |
| uint8_t | num_primitive_matrices |
| matrix data | |
| uint8_t | matrix_out_ch [MAX_MATRICES] |
| matrix output channel | |
| uint8_t | lsb_bypass [MAX_MATRICES] |
| Whether the LSBs of the matrix output are encoded in the bitstream. | |
| int32_t | matrix_coeff [MAX_MATRICES][MAX_CHANNELS] |
| Matrix coefficients, stored as 2.14 fixed point. | |
| uint8_t | matrix_noise_shift [MAX_MATRICES] |
| Left shift to apply to noise values in 0x31eb substreams. | |
| uint8_t SubStream::restart_seen |
Set if a valid restart header has been read. Otherwise the substream cannot be decoded.
Definition at line 45 of file mlpdec.c.
Referenced by read_access_unit(), and read_major_sync().
| uint16_t SubStream::noise_type |
restart header data
The type of noise to be used in the rematrix stage.
Definition at line 50 of file mlpdec.c.
Referenced by read_matrix_params(), read_restart_header(), and rematrix_channels().
| uint8_t SubStream::min_channel |
The index of the first channel coded in this substream.
Definition at line 53 of file mlpdec.c.
Referenced by read_block_data(), read_decoding_params(), read_huff_channels(), and read_restart_header().
| uint8_t SubStream::max_channel |
The index of the last channel coded in this substream.
Definition at line 55 of file mlpdec.c.
Referenced by read_decoding_params(), and read_restart_header().
| uint8_t SubStream::max_matrix_channel |
The number of channels input into the rematrix stage.
Definition at line 57 of file mlpdec.c.
Referenced by generate_2_noise_channels(), output_data(), read_decoding_params(), read_matrix_params(), read_restart_header(), and rematrix_channels().
| uint8_t SubStream::ch_assign[MAX_CHANNELS] |
For each channel output by the matrix, the output channel to map it to.
Definition at line 59 of file mlpdec.c.
Referenced by output_data(), and read_restart_header().
| uint64_t SubStream::ch_layout |
The channel layout for this substream.
Definition at line 61 of file mlpdec.c.
Referenced by read_major_sync(), and read_restart_header().
| ChannelParams SubStream::channel_params[MAX_CHANNELS] |
Channel coding parameters for channels in the substream.
Definition at line 64 of file mlpdec.c.
Referenced by calculate_sign_huff(), filter_channel(), read_channel_params(), read_decoding_params(), read_filter_params(), read_huff_channels(), and read_restart_header().
| uint8_t SubStream::noise_shift |
The left shift applied to random noise in 0x31ea substreams.
Definition at line 67 of file mlpdec.c.
Referenced by generate_2_noise_channels(), and read_restart_header().
| uint32_t SubStream::noisegen_seed |
The current seed value for the pseudorandom noise generator(s).
Definition at line 69 of file mlpdec.c.
Referenced by fill_noise_buffer(), generate_2_noise_channels(), and read_restart_header().
| uint8_t SubStream::data_check_present |
Set if the substream contains extra info to check the size of VLC blocks.
Definition at line 72 of file mlpdec.c.
Referenced by read_block_data(), and read_restart_header().
| uint8_t SubStream::param_presence_flags |
Bitmask of which parameter sets are conveyed in a decoding parameter block.
Definition at line 75 of file mlpdec.c.
Referenced by read_channel_params(), read_decoding_params(), and read_restart_header().
| uint8_t SubStream::num_primitive_matrices |
matrix data
Number of matrices to be applied.
Definition at line 90 of file mlpdec.c.
Referenced by read_huff_channels(), read_matrix_params(), read_restart_header(), and rematrix_channels().
| uint8_t SubStream::matrix_out_ch[MAX_MATRICES] |
matrix output channel
Definition at line 93 of file mlpdec.c.
Referenced by read_matrix_params(), and rematrix_channels().
| uint8_t SubStream::lsb_bypass[MAX_MATRICES] |
Whether the LSBs of the matrix output are encoded in the bitstream.
Definition at line 96 of file mlpdec.c.
Referenced by read_huff_channels(), and read_matrix_params().
| int32_t SubStream::matrix_coeff[MAX_MATRICES][MAX_CHANNELS] |
Matrix coefficients, stored as 2.14 fixed point.
Definition at line 98 of file mlpdec.c.
Referenced by read_matrix_params(), and rematrix_channels().
| uint8_t SubStream::matrix_noise_shift[MAX_MATRICES] |
Left shift to apply to noise values in 0x31eb substreams.
Definition at line 100 of file mlpdec.c.
Referenced by read_matrix_params(), and rematrix_channels().
| uint8_t SubStream::quant_step_size[MAX_CHANNELS] |
Left shift to apply to Huffman-decoded residuals.
Definition at line 104 of file mlpdec.c.
Referenced by calculate_sign_huff(), filter_channel(), read_decoding_params(), read_huff_channels(), read_restart_header(), and rematrix_channels().
| uint16_t SubStream::blocksize |
number of PCM samples in current audio block
Definition at line 107 of file mlpdec.c.
Referenced by filter_channel(), read_block_data(), read_decoding_params(), and read_restart_header().
| uint16_t SubStream::blockpos |
Number of PCM samples decoded so far in this frame.
Definition at line 109 of file mlpdec.c.
Referenced by filter_channel(), generate_2_noise_channels(), output_data(), read_access_unit(), read_block_data(), read_huff_channels(), and rematrix_channels().
| int8_t SubStream::output_shift[MAX_CHANNELS] |
Left shift to apply to decoded PCM values to get final 24-bit output.
Definition at line 112 of file mlpdec.c.
Referenced by output_data(), read_decoding_params(), and read_restart_header().
| int32_t SubStream::lossless_check_data |
Running XOR of all output samples.
Definition at line 115 of file mlpdec.c.
Referenced by mlp_decode_init(), output_data(), and read_restart_header().
1.8.2