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Merge "audio: adjust latency for pcm offload stream"

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Linux Build Service Account 2018-08-30 02:53:58 -07:00 committed by Gerrit - the friendly Code Review server
parent 24d1f3b065 c49a3b503a
commit 7c59539150
1 changed files with 11 additions and 2 deletions
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13
hal/audio_extn/utils.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.
* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* Copyright (C) 2014 The Android Open Source Project
@ -101,7 +101,10 @@
#endif
/* ToDo: Check and update a proper value in msec */
#define COMPRESS_OFFLOAD_PLAYBACK_LATENCY 50
#define COMPRESS_OFFLOAD_PLAYBACK_LATENCY 50
#define PCM_OFFLOAD_PLAYBACK_DSP_PATHDELAY 62
#define PCM_OFFLOAD_PLAYBACK_LATENCY \
(PCM_OFFLOAD_BUFFER_DURATION + PCM_OFFLOAD_PLAYBACK_DSP_PATHDELAY)
#ifndef MAX_CHANNELS_SUPPORTED
#define MAX_CHANNELS_SUPPORTED 8
@ -1806,6 +1809,12 @@ int audio_extn_utils_compress_get_dsp_latency(struct stream_out *out)
struct snd_compr_metadata metadata;
int delay_ms = COMPRESS_OFFLOAD_PLAYBACK_LATENCY;
/* override the latency for pcm offload use case */
if ((out->flags & AUDIO_OUTPUT_FLAG_DIRECT) &&
!(out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD)) {
delay_ms = PCM_OFFLOAD_PLAYBACK_LATENCY;
}
if (property_get_bool("vendor.audio.playback.dsp.pathdelay", false)) {
ALOGD("%s:: Quering DSP delay %d",__func__, __LINE__);
if (!(is_offload_usecase(out->usecase))) {