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FFmpeg
4.0
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frame specific decoder context for a single channel More...
Data Fields | |
| int16_t | prev_block_len |
| length of the previous block More... | |
| uint8_t | transmit_coefs |
| uint8_t | num_subframes |
| uint16_t | subframe_len [MAX_SUBFRAMES] |
| subframe length in samples More... | |
| uint16_t | subframe_offset [MAX_SUBFRAMES] |
| subframe positions in the current frame More... | |
| uint8_t | cur_subframe |
| current subframe number More... | |
| uint16_t | decoded_samples |
| number of already processed samples More... | |
| uint8_t | grouped |
| channel is part of a group More... | |
| int | quant_step |
| quantization step for the current subframe More... | |
| int8_t | reuse_sf |
| share scale factors between subframes More... | |
| int8_t | scale_factor_step |
| scaling step for the current subframe More... | |
| int | max_scale_factor |
| maximum scale factor for the current subframe More... | |
| int | saved_scale_factors [2][MAX_BANDS] |
| resampled and (previously) transmitted scale factor values More... | |
| int8_t | scale_factor_idx |
| index for the transmitted scale factor values (used for resampling) More... | |
| int * | scale_factors |
| pointer to the scale factor values used for decoding More... | |
| uint8_t | table_idx |
| index in sf_offsets for the scale factor reference block More... | |
| float * | coeffs |
| pointer to the subframe decode buffer More... | |
| uint16_t | num_vec_coeffs |
| number of vector coded coefficients More... | |
| float | out [WMAPRO_BLOCK_MAX_SIZE+WMAPRO_BLOCK_MAX_SIZE/2] |
| output buffer More... | |
frame specific decoder context for a single channel
Definition at line 139 of file wmaprodec.c.
| int16_t WMAProChannelCtx::prev_block_len |
length of the previous block
Definition at line 140 of file wmaprodec.c.
Referenced by decode_init(), and wmapro_window().
| uint8_t WMAProChannelCtx::transmit_coefs |
Definition at line 141 of file wmaprodec.c.
Referenced by decode_subframe().
| uint8_t WMAProChannelCtx::num_subframes |
Definition at line 142 of file wmaprodec.c.
Referenced by decode_subframe(), and decode_tilehdr().
| uint16_t WMAProChannelCtx::subframe_len[MAX_SUBFRAMES] |
subframe length in samples
Definition at line 143 of file wmaprodec.c.
Referenced by decode_coeffs(), decode_init(), decode_subframe(), decode_subframe_length(), and decode_tilehdr().
| uint16_t WMAProChannelCtx::subframe_offset[MAX_SUBFRAMES] |
subframe positions in the current frame
Definition at line 144 of file wmaprodec.c.
Referenced by decode_tilehdr().
| uint8_t WMAProChannelCtx::cur_subframe |
current subframe number
Definition at line 145 of file wmaprodec.c.
Referenced by decode_frame(), decode_scale_factors(), and decode_subframe().
| uint16_t WMAProChannelCtx::decoded_samples |
number of already processed samples
Definition at line 146 of file wmaprodec.c.
Referenced by decode_frame(), and decode_subframe().
| uint8_t WMAProChannelCtx::grouped |
channel is part of a group
Definition at line 147 of file wmaprodec.c.
Referenced by decode_channel_transform(), and decode_subframe().
| int WMAProChannelCtx::quant_step |
quantization step for the current subframe
Definition at line 148 of file wmaprodec.c.
Referenced by decode_subframe().
| int8_t WMAProChannelCtx::reuse_sf |
share scale factors between subframes
Definition at line 149 of file wmaprodec.c.
Referenced by decode_frame(), and decode_scale_factors().
| int8_t WMAProChannelCtx::scale_factor_step |
scaling step for the current subframe
Definition at line 150 of file wmaprodec.c.
Referenced by decode_scale_factors(), and decode_subframe().
| int WMAProChannelCtx::max_scale_factor |
maximum scale factor for the current subframe
Definition at line 151 of file wmaprodec.c.
Referenced by decode_scale_factors(), and decode_subframe().
resampled and (previously) transmitted scale factor values
Definition at line 152 of file wmaprodec.c.
Referenced by decode_scale_factors().
| int8_t WMAProChannelCtx::scale_factor_idx |
index for the transmitted scale factor values (used for resampling)
Definition at line 153 of file wmaprodec.c.
Referenced by decode_scale_factors().
| int* WMAProChannelCtx::scale_factors |
pointer to the scale factor values used for decoding
Definition at line 154 of file wmaprodec.c.
Referenced by decode_scale_factors(), and decode_subframe().
| uint8_t WMAProChannelCtx::table_idx |
index in sf_offsets for the scale factor reference block
Definition at line 155 of file wmaprodec.c.
Referenced by decode_scale_factors().
| float* WMAProChannelCtx::coeffs |
pointer to the subframe decode buffer
Definition at line 156 of file wmaprodec.c.
Referenced by decode_channel_transform(), decode_coeffs(), decode_subframe(), and wmapro_window().
| uint16_t WMAProChannelCtx::num_vec_coeffs |
number of vector coded coefficients
Definition at line 157 of file wmaprodec.c.
Referenced by decode_coeffs(), and decode_subframe().
| float WMAProChannelCtx::out[WMAPRO_BLOCK_MAX_SIZE+WMAPRO_BLOCK_MAX_SIZE/2] |
output buffer
Definition at line 158 of file wmaprodec.c.
Referenced by decode_frame(), decode_subframe(), and flush().
1.8.13