From 197cd79c6314ac2e14ce94624e21f3c4e38dca7c Mon Sep 17 00:00:00 2001
From: Yamit Mehta <ymehta@codeaurora.org>
Date: Wed, 26 Aug 2015 21:00:40 +0530
Subject: audio: Audio resampler support for 192Khz playback

Add support for QTI audio resampler

audio: Audio resampler support for 192Khz playback
Change-Id: Ia8f24a0874ebf6e16ef7bd1f2759a14f47149875

audio: Add audio mixing support for qti resampler
Change-Id: Ib657aa12b2a72323564148c302ff8891e1bb7433

AudioMixer: Extend use of QTI resampler for 44.1Khz sampling rate
Change-Id: I2a819dbc9f1e3e280cb4fa79328e331883a3e981

AudioMixer: fill 0s at right place when no more buffers available
Change-Id: I50504c5a02eb0c69abfc9b047792b0f6f85b9ce8

audioflinger: add channel count check to use QTI resampler
Change-Id: I8f76dd82b72a0dd8b77343e77e0d0545e1be2114

Change-Id: Ia8f24a0874ebf6e16ef7bd1f2759a14f47149875
---
 services/audioflinger/AudioResampler.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'services/audioflinger/AudioResampler.cpp')

diff --git a/services/audioflinger/AudioResampler.cpp b/services/audioflinger/AudioResampler.cpp
index e49b7b1..ab3294a 100644
--- a/services/audioflinger/AudioResampler.cpp
+++ b/services/audioflinger/AudioResampler.cpp
@@ -28,6 +28,10 @@
 #include "AudioResamplerCubic.h"
 #include "AudioResamplerDyn.h"
 
+#ifdef QTI_RESAMPLER
+#include "AudioResamplerQTI.h"
+#endif
+
 #ifdef __arm__
     #define ASM_ARM_RESAMP1 // enable asm optimisation for ResamplerOrder1
 #endif
@@ -90,6 +94,9 @@ bool AudioResampler::qualityIsSupported(src_quality quality)
     case DYN_LOW_QUALITY:
     case DYN_MED_QUALITY:
     case DYN_HIGH_QUALITY:
+#ifdef QTI_RESAMPLER
+    case QTI_QUALITY:
+#endif
         return true;
     default:
         return false;
@@ -110,7 +117,11 @@ void AudioResampler::init_routine()
         if (*endptr == '\0') {
             defaultQuality = (src_quality) l;
             ALOGD("forcing AudioResampler quality to %d", defaultQuality);
+#ifdef QTI_RESAMPLER
+            if (defaultQuality < DEFAULT_QUALITY || defaultQuality > QTI_QUALITY) {
+#else
             if (defaultQuality < DEFAULT_QUALITY || defaultQuality > DYN_HIGH_QUALITY) {
+#endif
                 defaultQuality = DEFAULT_QUALITY;
             }
         }
@@ -129,6 +140,9 @@ uint32_t AudioResampler::qualityMHz(src_quality quality)
     case HIGH_QUALITY:
         return 20;
     case VERY_HIGH_QUALITY:
+#ifdef QTI_RESAMPLER
+    case QTI_QUALITY: //for QTI_QUALITY, currently assuming same as VHQ
+#endif
         return 34;
     case DYN_LOW_QUALITY:
         return 4;
@@ -204,6 +218,11 @@ AudioResampler* AudioResampler::create(audio_format_t format, int inChannelCount
         case DYN_HIGH_QUALITY:
             quality = DYN_MED_QUALITY;
             break;
+#ifdef QTI_RESAMPLER
+        case QTI_QUALITY:
+            quality = DYN_HIGH_QUALITY;
+            break;
+#endif
         }
     }
     pthread_mutex_unlock(&mutex);
@@ -250,6 +269,12 @@ AudioResampler* AudioResampler::create(audio_format_t format, int inChannelCount
             }
         }
         break;
+#ifdef QTI_RESAMPLER
+    case QTI_QUALITY:
+        ALOGV("Create QTI_QUALITY Resampler = %d",quality);
+        resampler = new AudioResamplerQTI(format, inChannelCount, sampleRate);
+        break;
+#endif
     }
 
     // initialize resampler
-- 
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