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af_scaletempo2: remove redundant buffer zeroing

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First iteration does not overlap with initial buffer contents any more,
so this zeroing was redundant.
This commit is contained in:
ferreum 2024-04-24 19:53:06 +02:00 committed by Kacper Michajłow
parent 51e01e9772
commit 190b15c827
1 changed files with 0 additions and 9 deletions
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9
audio/filter/af_scaletempo2_internals.c
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@ -51,11 +51,6 @@ static float **realloc_2d(float **p, int x, int y)
return array; 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) static void zero_2d_partial(float **a, int x, int y)
{ {
for (int i = 0; i < x; ++i) { 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->output_time = 0.0;
p->search_block_index = 0; p->search_block_index = 0;
p->target_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->num_complete_frames = 0;
p->wsola_output_started = false; 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_size = p->ola_window_size + p->ola_hop_size;
p->wsola_output = realloc_2d(p->wsola_output, p->channels, p->wsola_output_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. // Auxiliary containers.
p->optimal_block = realloc_2d(p->optimal_block, p->channels, p->ola_window_size); p->optimal_block = realloc_2d(p->optimal_block, p->channels, p->ola_window_size);