#include <swresample_internal.h>
Data Fields | |
| const AVClass * | av_class |
| AVClass used for AVOption and av_log(). | |
| int | log_level_offset |
| logging level offset | |
| void * | log_ctx |
| parent logging context | |
| enum AVSampleFormat | in_sample_fmt |
| input sample format | |
| enum AVSampleFormat | int_sample_fmt |
| internal sample format (AV_SAMPLE_FMT_FLT or AV_SAMPLE_FMT_S16) | |
| enum AVSampleFormat | out_sample_fmt |
| output sample format | |
| int64_t | in_ch_layout |
| input channel layout | |
| int64_t | out_ch_layout |
| output channel layout | |
| int | in_sample_rate |
| input sample rate | |
| int | out_sample_rate |
| output sample rate | |
| int | flags |
| miscellaneous flags such as SWR_FLAG_RESAMPLE | |
| float | slev |
| surround mixing level | |
| float | clev |
| center mixing level | |
| float | rematrix_volume |
| rematrixing volume coefficient | |
| const int * | channel_map |
| channel index (or -1 if muted channel) map | |
| int | used_ch_count |
| number of used input channels (mapped channel count if channel_map, otherwise in.ch_count) | |
| int | int_bps |
| internal bytes per sample | |
| int | resample_first |
| 1 if resampling must come first, 0 if rematrixing | |
| int | rematrix |
| flag to indicate if rematrixing is needed (basically if input and output layouts mismatch) | |
| AudioData | in |
| input audio data | |
| AudioData | postin |
| post-input audio data: used for rematrix/resample | |
| AudioData | midbuf |
| intermediate audio data (postin/preout) | |
| AudioData | preout |
| pre-output audio data: used for rematrix/resample | |
| AudioData | out |
| converted output audio data | |
| AudioData | in_buffer |
| cached audio data (convert and resample purpose) | |
| int | in_buffer_index |
| cached buffer position | |
| int | in_buffer_count |
| cached buffer length | |
| int | resample_in_constraint |
| 1 if the input end was reach before the output end, 0 otherwise | |
| struct AudioConvert * | in_convert |
| input conversion context | |
| struct AudioConvert * | out_convert |
| output conversion context | |
| struct AudioConvert * | full_convert |
| full conversion context (single conversion for input and output) | |
| struct ResampleContext * | resample |
| resampling context | |
| float | matrix [SWR_CH_MAX][SWR_CH_MAX] |
| floating point rematrixing coefficients | |
| int32_t | matrix32 [SWR_CH_MAX][SWR_CH_MAX] |
| 17.15 fixed point rematrixing coefficients | |
| uint8_t | matrix_ch [SWR_CH_MAX][SWR_CH_MAX+1] |
| Lists of input channels per output channel that have non zero rematrixing coefficients. | |
Definition at line 35 of file swresample_internal.h.
| const AVClass* SwrContext::av_class |
AVClass used for AVOption and av_log().
Definition at line 36 of file swresample_internal.h.
Referenced by swr_alloc().
| const int* SwrContext::channel_map |
channel index (or -1 if muted channel) map
Definition at line 50 of file swresample_internal.h.
Referenced by swr_init(), and swr_set_channel_mapping().
| float SwrContext::clev |
center mixing level
Definition at line 48 of file swresample_internal.h.
Referenced by swri_rematrix_init().
miscellaneous flags such as SWR_FLAG_RESAMPLE
Definition at line 46 of file swresample_internal.h.
Referenced by swr_init().
struct AudioConvert* SwrContext::full_convert [read] |
full conversion context (single conversion for input and output)
Definition at line 69 of file swresample_internal.h.
Referenced by swr_convert(), swr_free(), and swr_init().
input audio data
Definition at line 57 of file swresample_internal.h.
Referenced by resample(), swr_convert(), and swr_init().
cached audio data (convert and resample purpose)
Definition at line 62 of file swresample_internal.h.
Referenced by resample(), swr_convert(), swr_free(), and swr_init().
cached buffer length
Definition at line 64 of file swresample_internal.h.
Referenced by resample(), swr_convert(), and swr_init().
cached buffer position
Definition at line 63 of file swresample_internal.h.
Referenced by resample(), swr_convert(), and swr_init().
| int64_t SwrContext::in_ch_layout |
input channel layout
Definition at line 42 of file swresample_internal.h.
Referenced by swr_init(), and swri_rematrix_init().
struct AudioConvert* SwrContext::in_convert [read] |
input conversion context
Definition at line 67 of file swresample_internal.h.
Referenced by swr_convert(), swr_free(), swr_init(), and swr_set_channel_mapping().
input sample format
Definition at line 39 of file swresample_internal.h.
Referenced by swr_convert(), and swr_init().
internal bytes per sample
Definition at line 53 of file swresample_internal.h.
Referenced by swr_init().
internal sample format (AV_SAMPLE_FMT_FLT or AV_SAMPLE_FMT_S16)
Definition at line 40 of file swresample_internal.h.
Referenced by swr_convert(), swr_init(), swri_rematrix(), and swri_rematrix_init().
| void* SwrContext::log_ctx |
parent logging context
Definition at line 38 of file swresample_internal.h.
Referenced by swr_alloc_set_opts().
logging level offset
Definition at line 37 of file swresample_internal.h.
Referenced by swr_alloc_set_opts().
| float SwrContext::matrix[SWR_CH_MAX][SWR_CH_MAX] |
floating point rematrixing coefficients
Definition at line 72 of file swresample_internal.h.
Referenced by swri_rematrix(), and swri_rematrix_init().
| int32_t SwrContext::matrix32[SWR_CH_MAX][SWR_CH_MAX] |
17.15 fixed point rematrixing coefficients
Definition at line 73 of file swresample_internal.h.
Referenced by swri_rematrix(), and swri_rematrix_init().
| uint8_t SwrContext::matrix_ch[SWR_CH_MAX][SWR_CH_MAX+1] |
Lists of input channels per output channel that have non zero rematrixing coefficients.
Definition at line 74 of file swresample_internal.h.
Referenced by swri_rematrix(), and swri_rematrix_init().
intermediate audio data (postin/preout)
Definition at line 59 of file swresample_internal.h.
Referenced by swr_convert(), swr_free(), and swr_init().
converted output audio data
Definition at line 61 of file swresample_internal.h.
Referenced by resample(), swr_convert(), and swr_init().
| int64_t SwrContext::out_ch_layout |
output channel layout
Definition at line 43 of file swresample_internal.h.
Referenced by swr_alloc_set_opts(), swr_init(), swri_rematrix(), and swri_rematrix_init().
struct AudioConvert* SwrContext::out_convert [read] |
output conversion context
Definition at line 68 of file swresample_internal.h.
Referenced by swr_convert(), swr_free(), and swr_init().
output sample format
Definition at line 41 of file swresample_internal.h.
Referenced by swr_convert(), swr_init(), and swri_rematrix_init().
post-input audio data: used for rematrix/resample
Definition at line 58 of file swresample_internal.h.
Referenced by swr_convert(), swr_free(), and swr_init().
pre-output audio data: used for rematrix/resample
Definition at line 60 of file swresample_internal.h.
Referenced by swr_convert(), swr_free(), and swr_init().
flag to indicate if rematrixing is needed (basically if input and output layouts mismatch)
Definition at line 55 of file swresample_internal.h.
Referenced by swr_convert(), and swr_init().
rematrixing volume coefficient
Definition at line 49 of file swresample_internal.h.
Referenced by swr_init(), and swri_rematrix_init().
struct ResampleContext* SwrContext::resample [read] |
resampling context
Definition at line 70 of file swresample_internal.h.
Referenced by resample(), swr_compensate(), swr_convert(), swr_free(), and swr_init().
1 if resampling must come first, 0 if rematrixing
Definition at line 54 of file swresample_internal.h.
Referenced by swr_convert(), and swr_init().
1 if the input end was reach before the output end, 0 otherwise
Definition at line 65 of file swresample_internal.h.
Referenced by resample(), swr_convert(), and swr_init().
| float SwrContext::slev |
surround mixing level
Definition at line 47 of file swresample_internal.h.
Referenced by swri_rematrix_init().
number of used input channels (mapped channel count if channel_map, otherwise in.ch_count)
Definition at line 51 of file swresample_internal.h.
Referenced by swr_convert(), and swr_init().
1.5.8