commit 62babb94bad6aa7c8db4725d7791603f7bbaf3ca
author Alexy Joseph <alexyj@codeaurora.org> Tue Mar 03 19:01:03 2015 -0800
committer Steve Kondik <steve@cyngn.com> Tue Oct 13 09:07:26 2015 -1000
tree 540724f0805af8c75d1c0335581364d851b96ce1
parent 05c1796c44310c09645a3273d7317b31e4e0683c

hal: Reduce offload latency and log spam

Offload latency is set to 96. Change
it to 50 to reflect the rendering latency more correctly
Modify pcm offload latency to return offload
latency rather than the latency based on buffering
since volume is applied immediately for offload use
cases. Also reduce log spam in offload use cases

Change-Id: If28d49d66e8f989074c4c7eaec523855e9f4290a
CRs-Fixed: 787448

hal/audio_hw.c

diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 26979de..04a6c21 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -61,7 +61,7 @@
 
 #define COMPRESS_OFFLOAD_NUM_FRAGMENTS 4
 /* ToDo: Check and update a proper value in msec */
-#define COMPRESS_OFFLOAD_PLAYBACK_LATENCY 96
+#define COMPRESS_OFFLOAD_PLAYBACK_LATENCY 50
 #define COMPRESS_PLAYBACK_VOLUME_MAX 0x2000
 
 #define PROXY_OPEN_RETRY_COUNT           100
@@ -1944,13 +1944,7 @@
     uint32_t latency = 0;
 
     if (is_offload_usecase(out->usecase)) {
-        if (out->use_small_bufs == true)
-            latency = ((out->compr_config.fragments *
-                   out->compr_config.fragment_size * 1000) /
-                   (out->sample_rate * out->compr_config.codec->ch_in *
-                   audio_bytes_per_sample(out->format)));
-        else
-            latency = COMPRESS_OFFLOAD_PLAYBACK_LATENCY;
+        latency = COMPRESS_OFFLOAD_PLAYBACK_LATENCY;
     } else {
         latency = (out->config.period_count * out->config.period_size * 1000) /
            (out->config.rate);
@@ -2033,7 +2027,7 @@
     }
 
     if (is_offload_usecase(out->usecase)) {
-        ALOGV("copl(%x): writing buffer (%d bytes) to compress device", (unsigned int)out, bytes);
+        ALOGVV("copl(%p): writing buffer (%zu bytes) to compress device", out, bytes);
         if (out->send_new_metadata) {
             ALOGD("copl(%x):send new gapless metadata", (unsigned int)out);
             compress_set_gapless_metadata(out->compr, &out->gapless_mdata);