af_scaletempo2: remove redundant buffer zeroing

First iteration does not overlap with initial buffer contents any more,
so this zeroing was redundant.

1 files changed, 0 insertions, 9 deletions

diff --git a/audio/filter/af_scaletempo2_internals.c b/audio/filter/af_scaletempo2_internals.c
index 924c0914b3..94c6576893 100644
--- a/audio/filter/af_scaletempo2_internals.c
+++ b/audio/filter/af_scaletempo2_internals.c
@@ -51,11 +51,6 @@ static float **realloc_2d(float **p, int x, int y)
     return array;
 }
 
-static void zero_2d(float **a, int x, int y)
-{
-    memset(a + x, 0, sizeof(float) * x * y);
-}
-
 static void zero_2d_partial(float **a, int x, int y)
 {
     for (int i = 0; i < x; ++i) {
@@ -791,8 +786,6 @@ void mp_scaletempo2_reset(struct mp_scaletempo2 *p)
     p->output_time = 0.0;
     p->search_block_index = 0;
     p->target_block_index = 0;
-    // Clear the queue of decoded packets.
-    zero_2d(p->wsola_output, p->channels, p->wsola_output_size);
     p->num_complete_frames = 0;
     p->wsola_output_started = false;
 }
@@ -855,8 +848,6 @@ void mp_scaletempo2_init(struct mp_scaletempo2 *p, int channels, int rate)
 
     p->wsola_output_size = p->ola_window_size + p->ola_hop_size;
     p->wsola_output = realloc_2d(p->wsola_output, p->channels, p->wsola_output_size);
-    // Initialize for overlap-and-add of the first block.
-    zero_2d(p->wsola_output, p->channels, p->wsola_output_size);
 
     // Auxiliary containers.
     p->optimal_block = realloc_2d(p->optimal_block, p->channels, p->ola_window_size);