OrgACRN
/
sof
mirror of https://github.com/thesofproject/sof.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

kpb: move the switch check out of the loop to optimize the draining 

Move the switch check out of the loop, to optimize the
kpb_drain_samples() and speed up the draining itself.

Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
This commit is contained in:
Keyon Jie 2020-07-15 17:14:40 +08:00 committed by Liam Girdwood
parent 278bfc7cf3
commit 7e689527e8
1 changed files with 18 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/audio/kpb.c
View File

@ -1300,30 +1300,35 @@ static void kpb_drain_samples(void *source, struct audio_stream *sink,
size_t channel;
size_t frames = KPB_BYTES_TO_FRAMES(size, sample_width);
for (i = 0; i < frames; i++) {
for (channel = 0; channel < KPB_NUM_OF_CHANNELS; channel++) {
switch (sample_width) {
switch (sample_width) {
#if CONFIG_FORMAT_S16LE
case 16:
case 16:
for (i = 0; i < frames; i++) {
for (channel = 0; channel < KPB_NUM_OF_CHANNELS; channel++) {
dst = audio_stream_write_frag_s16(sink, j);
*((int16_t *)dst) = *((int16_t *)src);
src = ((int16_t *)src) + 1;
break;
j++;
}
}
break;
#endif /* CONFIG_FORMAT_S16LE */
#if CONFIG_FORMAT_S24LE || CONFIG_FORMAT_S32LE
case 24:
case 32:
case 24:
case 32:
for (i = 0; i < frames; i++) {
for (channel = 0; channel < KPB_NUM_OF_CHANNELS; channel++) {
dst = audio_stream_write_frag_s32(sink, j);
*((int32_t *)dst) = *((int32_t *)src);
src = ((int32_t *)src) + 1;
break;
#endif /* CONFIG_FORMAT_S24LE || CONFIG_FORMAT_S32LE */
default:
comp_cl_err(&comp_kpb, "KPB: An attempt to copy not supported format!");
return;
j++;
}
j++;
}
break;
#endif /* CONFIG_FORMAT_S24LE || CONFIG_FORMAT_S32LE */
default:
comp_cl_err(&comp_kpb, "KPB: An attempt to copy not supported format!");
return;
}
}