diff options
Diffstat (limited to 'dnn/nndsp.c')
| -rw-r--r-- | dnn/nndsp.c | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/dnn/nndsp.c b/dnn/nndsp.c index 4fbe5346..6d987872 100644 --- a/dnn/nndsp.c +++ b/dnn/nndsp.c @@ -39,7 +39,7 @@ #include <math.h> #ifndef M_PI -#define M_PI 3.141592653 +#define M_PI 3.141592653589793f #endif #define SET_ZERO(x) memset(x, 0, sizeof(x)) @@ -60,6 +60,15 @@ void init_adashape_state(AdaShapeState *hAdaShape) OPUS_CLEAR(hAdaShape, 1); } +void compute_overlap_window(float *window, int overlap_size) +{ + int i_sample; + for (i_sample=0; i_sample < overlap_size; i_sample++) + { + window[i_sample] = 0.5f + 0.5f * cos(M_PI * (i_sample + 0.5f) / overlap_size); + } +} + #ifdef DEBUG_NNDSP void print_float_vector(const char* name, const float *vec, int length) { @@ -169,15 +178,6 @@ void adaconv_process_frame( print_float_vector("x_in", x_in, in_channels * frame_size); #endif - if (window == NULL) - { - for (i_sample=0; i_sample < overlap_size; i_sample++) - { - window_buffer[i_sample] = 0.5f + 0.5f * cos(M_PI * (i_sample + 0.5f) / overlap_size); - } - window = &window_buffer[0]; - } - /* prepare input */ for (i_in_channels=0; i_in_channels < in_channels; i_in_channels ++) { @@ -280,16 +280,6 @@ void adacomb_process_frame( SET_ZERO(kernel_buffer); SET_ZERO(input_buffer); - - if (window == NULL) - { - for (i_sample=0; i_sample < overlap_size; i_sample++) - { - window_buffer[i_sample] = 0.5f + 0.5f * cos(M_PI * (i_sample + 0.5f) / overlap_size); - } - window = &window_buffer[0]; - } - OPUS_COPY(input_buffer, hAdaComb->history, kernel_size + ADACOMB_MAX_LAG); OPUS_COPY(input_buffer + kernel_size + ADACOMB_MAX_LAG, x_in, frame_size); p_input = input_buffer + kernel_size + ADACOMB_MAX_LAG; |