commit 5beddd42081b2ef7c13f7730ee6c9689ef421a98
author Haynes Mathew George <hgeorge@codeaurora.org> Mon Jun 27 18:33:40 2016 -0700
committer Haynes Mathew George <hgeorge@codeaurora.org> Thu Aug 04 11:13:56 2016 -0700
tree e5787bb13b7572726b60e7892840dee4e85f096b
parent 8f0306eb2b13d14f02f83aa438a690ba28cfcbda

audio: low latency playback optimizations

Add support to configure input and output streams as
legacy (faster than realtime) or realtime

CRs-Fixed: 1035545
Change-Id: Idebe3624bd14d5384b8c42d4f74d1874537b6028

hal/audio_hw.h

diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index 8197fec..ee28157 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -228,6 +228,10 @@
     audio_format_t hal_op_format;
     void *convert_buffer;
 
+    bool realtime;
+    int af_period_multiplier;
+    bool routing_change;
+
     struct audio_device *dev;
 };
 
@@ -252,6 +256,10 @@
     bool is_st_session_active;
     int sample_rate;
     int bit_width;
+    bool realtime;
+    int af_period_multiplier;
+    bool routing_change;
+
     struct audio_device *dev;
 };
 
@@ -308,6 +316,12 @@
 typedef void (*adm_deregister_stream_t)(void *, audio_io_handle_t);
 typedef void (*adm_request_focus_t)(void *, audio_io_handle_t);
 typedef void (*adm_abandon_focus_t)(void *, audio_io_handle_t);
+typedef void (*adm_set_config_t)(void *, audio_io_handle_t,
+                                         struct pcm *,
+                                         struct pcm_config *);
+typedef void (*adm_request_focus_v2_t)(void *, audio_io_handle_t, long);
+typedef bool (*adm_is_noirq_avail_t)(void *, int, int, int);
+typedef void (*adm_on_routing_change_t)(void *, audio_io_handle_t);
 
 struct audio_device {
     struct audio_hw_device device;
@@ -361,6 +375,10 @@
     adm_deregister_stream_t adm_deregister_stream;
     adm_request_focus_t adm_request_focus;
     adm_abandon_focus_t adm_abandon_focus;
+    adm_set_config_t adm_set_config;
+    adm_request_focus_v2_t adm_request_focus_v2;
+    adm_is_noirq_avail_t adm_is_noirq_avail;
+    adm_on_routing_change_t adm_on_routing_change;
 
     void (*offload_effects_get_parameters)(struct str_parms *,
                                            struct str_parms *);