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pcm_resample: eliminated "sample" local variables

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Copy from source to destination buffer directly, don't use the
temporary variables "lsample" and "rsample".
This commit is contained in:
Max Kellermann 2008-10-23 20:01:37 +02:00
parent 124f79a2a6
commit 1dcb946fb0
1 changed files with 3 additions and 9 deletions
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12
src/pcm_resample_fallback.c
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@ -33,7 +33,6 @@ pcm_resample_16(uint8_t channels,
{
unsigned src_pos, dest_pos = 0;
unsigned dest_samples = dest_size / sizeof(*dest_buffer);
int16_t lsample, rsample;
assert((src_size % (sizeof(*src_buffer) * channels)) == 0);
assert((dest_size % (sizeof(*dest_buffer) * channels)) == 0);
@ -43,9 +42,7 @@ pcm_resample_16(uint8_t channels,
while (dest_pos < dest_samples) {
src_pos = dest_pos * src_rate / dest_rate;
lsample = src_buffer[src_pos++];
dest_buffer[dest_pos++] = lsample;
dest_buffer[dest_pos++] = src_buffer[src_pos];
}
break;
case 2:
@ -53,11 +50,8 @@ pcm_resample_16(uint8_t channels,
src_pos = dest_pos * src_rate / dest_rate;
src_pos &= ~1;
lsample = src_buffer[src_pos++];
rsample = src_buffer[src_pos++];
dest_buffer[dest_pos++] = lsample;
dest_buffer[dest_pos++] = rsample;
dest_buffer[dest_pos++] = src_buffer[src_pos];
dest_buffer[dest_pos++] = src_buffer[src_pos + 1];
}
break;
}