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detector, kpb: change buffering and draining constants 

This fix compensates host wakeup time.
Here we limit max draining request to 2 seconds.
History buffer size if one second bigger than max draining
request allowed.

Signed-off-by: Marcin Rajwa <marcin.rajwa@linux.intel.com>
This commit is contained in:
Marcin Rajwa 2020-07-14 00:05:55 +02:00 committed by Liam Girdwood
parent dcd8d4c79e
commit 31949d0669
3 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/audio/kpb.c
View File

@ -1015,7 +1015,7 @@ static void kpb_init_draining(struct comp_dev *dev, struct kpb_client *cli)
} else if (!is_sink_ready) {
comp_err(dev, "kpb_init_draining(): sink not ready for draining");
} else if (kpb->hd.buffered < drain_req ||
kpb->hd.buffer_size < drain_req) {
cli->drain_req > KPB_MAX_DRAINING_REQ) {
comp_cl_err(&comp_kpb, "kpb_init_draining(): not enough data in history buffer");
} else {
/* Draining accepted, find proper buffer to start reading

4
src/include/sof/audio/kpb.h
View File

@ -15,7 +15,9 @@
struct comp_buffer;
/* KPB internal defines */
#define KPB_MAX_BUFF_TIME 2100 /**< time of buffering in miliseconds */
#define KPB_MAX_BUFF_TIME 3000 /**< time of buffering in miliseconds */
#define HOST_WAKEUP_TIME 1000 /* aprox. time of host DMA wakup from suspend [ms] */
#define KPB_MAX_DRAINING_REQ (KPB_MAX_BUFF_TIME - HOST_WAKEUP_TIME)
#define KPB_MAX_SUPPORTED_CHANNELS 2 /**< number of supported channels */
/**< number of samples taken each milisecond */
#define KPB_SAMPLES_PER_MS (KPB_SAMPLNG_FREQUENCY / 1000)

2
tools/topology/m4/detect_test_coef.m4
View File

@ -7,5 +7,5 @@ CONTROLBYTES_PRIV(DETECTOR_priv,
` 0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,'
` 0x00,0x00,0x00,0x00,0x34,0x08,0x00,0x00,'
` 0x03,0x00,0x18,0x00,0x00,0x00,0x00,0x00,'
` 0x34,0x08,0x00,0x00,0x00,0x00,0x00,0x00"'
` 0xD0,0x07,0x00,0x00,0x00,0x00,0x00,0x00"'
)