diff options
Diffstat (limited to 'audio/filter/af_surround.c')
| -rw-r--r-- | audio/filter/af_surround.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/audio/filter/af_surround.c b/audio/filter/af_surround.c index 9cabeedf9d..06a8c4a761 100644 --- a/audio/filter/af_surround.c +++ b/audio/filter/af_surround.c @@ -76,13 +76,13 @@ typedef struct af_surround_s { float lq[2*L]; // Circular queue for filtering left rear channel float rq[2*L]; // Circular queue for filtering right rear channel - float w[L]; // FIR filter coefficients for surround sound 7kHz low-pass - float* dr; // Delay queue right rear channel - float* dl; // Delay queue left rear channel - float d; // Delay time - int i; // Position in circular buffer - int wi; // Write index for delay queue - int ri; // Read index for delay queue + float w[L]; // FIR filter coefficients for surround sound 7kHz low-pass + float* dr; // Delay queue right rear channel + float* dl; // Delay queue left rear channel + float d; // Delay time + int i; // Position in circular buffer + int wi; // Write index for delay queue + int ri; // Read index for delay queue }af_surround_t; // Initialization and runtime control @@ -132,10 +132,10 @@ static int control(struct af_instance* af, int cmd, void* arg) // The beginnings of an active matrix... static float steering_matrix[][12] = { -// LL RL LR RR LS RS -// LLs RLs LRs RRs LC RC - {.707, .0, .0, .707, .5, -.5, - .5878, -.3928, .3928, -.5878, .5, .5}, +// LL RL LR RR LS RS +// LLs RLs LRs RRs LC RC + {.707, .0, .0, .707, .5, -.5, + .5878, -.3928, .3928, -.5878, .5, .5}, }; // Experimental moving average dominance @@ -144,13 +144,13 @@ static float steering_matrix[][12] = { // Filter data through filter static int filter(struct af_instance* af, struct mp_audio* data, int flags){ af_surround_t* s = (af_surround_t*)af->priv; - float* m = steering_matrix[0]; - float* in = data->planes[0]; // Input audio data - float* out = NULL; // Output audio data - float* end = in + data->samples * data->nch; - int i = s->i; // Filter queue index - int ri = s->ri; // Read index for delay queue - int wi = s->wi; // Write index for delay queue + float* m = steering_matrix[0]; + float* in = data->planes[0]; // Input audio data + float* out = NULL; // Output audio data + float* end = in + data->samples * data->nch; + int i = s->i; // Filter queue index + int ri = s->ri; // Read index for delay queue + int wi = s->wi; // Write index for delay queue mp_audio_realloc_min(af->data, data->samples); |