stereo_LR_to_MS.c | Explore in Territory

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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "main.h"
#include "stack_alloc.h"

/* Convert Left/Right stereo signal to adaptive Mid/Side representation */
void silk_stereo_LR_to_MS(
    stereo_enc_state            *state,                         /* I/O  State                                       */
    opus_int16                  x1[],                           /* I/O  Left input signal, becomes mid signal       */
    opus_int16                  x2[],                           /* I/O  Right input signal, becomes side signal     */
    opus_int8                   ix[ 2 ][ 3 ],                   /* O    Quantization indices                        */
    opus_int8                   *mid_only_flag,                 /* O    Flag: only mid signal coded                 */
    opus_int32                  mid_side_rates_bps[],           /* O    Bitrates for mid and side signals           */
    opus_int32                  total_rate_bps,                 /* I    Total bitrate                               */
    opus_int                    prev_speech_act_Q8,             /* I    Speech activity level in previous frame     */
    opus_int                    toMono,                         /* I    Last frame before a stereo->mono transition */
    opus_int                    fs_kHz,                         /* I    Sample rate (kHz)                           */
    opus_int                    frame_length                    /* I    Number of samples                           */
)
{ … }
chromium/third_party/opus/src/silk/stereo_LR_to_MS.c
