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pcm_converter: Reduce modulo operations 

Module is expensive operation, so usage them in processing code
should be reduced.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
This commit is contained in:
Karol Trzcinski 2020-08-27 13:56:20 +02:00 committed by Liam Girdwood
parent 6d7a17e6f3
commit 78202631e7
1 changed files with 4 additions and 4 deletions
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8
src/audio/pcm_converter/pcm_converter_hifi3.c
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@ -480,7 +480,7 @@ static void pcm_convert_s24_to_s32(const struct audio_stream *source,
}
/* main loop processes 2 samples at a time */
for (i = 0; i < samples / 2; i++) {
for (i = 0; i < samples - 1; i += 2) {
/* set source as circular buffer */
pcm_converter_setup_circular(source);
@ -498,7 +498,7 @@ static void pcm_convert_s24_to_s32(const struct audio_stream *source,
AE_SA64POS_FC(align_out, out);
/* no more samples to process */
if (!(samples % 2))
if (i == samples)
return;
/* set source as circular buffer */
@ -570,7 +570,7 @@ static void pcm_convert_s32_to_s24(const struct audio_stream *source,
}
/* main loop processes 2 samples at a time */
for (i = 0; i < samples / 2; i++) {
for (i = 0; i < samples - 1; i += 2) {
/* set source as circular buffer */
pcm_converter_setup_circular(source);
@ -589,7 +589,7 @@ static void pcm_convert_s32_to_s24(const struct audio_stream *source,
AE_SA64POS_FC(align_out, out);
/* no more samples to process */
if (!(samples % 2))
if (i == samples)
return;
/* set source as circular buffer */