From cd53dd3eecb0d17b3f571ddcd155bbb74772f469 Mon Sep 17 00:00:00 2001
From: pingkai <pingkai010@gmail.com>
Date: Fri, 31 Jul 2020 13:52:37 +0800
Subject: [PATCH] perf(filteraudiorender): fix busy loop

Signed-off-by: pingkai <pingkai010@gmail.com>
---
 framework/render/audio/filterAudioRender.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/framework/render/audio/filterAudioRender.cpp b/framework/render/audio/filterAudioRender.cpp
index 1ba1a3cdf..f636c792b 100644
--- a/framework/render/audio/filterAudioRender.cpp
+++ b/framework/render/audio/filterAudioRender.cpp
@@ -219,6 +219,7 @@ namespace Cicada {
         if (mRenderFrame == nullptr) {
             mRenderFrame = getFrame();
         }
+        int ret = 0;
 
         while (mRenderFrame != nullptr) {
             if (mState != State::state_running) {
@@ -236,7 +237,7 @@ namespace Cicada {
 
             loopChecker();
             int nb_samples = mRenderFrame->getInfo().audio.nb_samples;
-            int ret = device_write(mRenderFrame);
+            ret = device_write(mRenderFrame);
 
             if (ret == -EAGAIN) {
 
@@ -250,7 +251,7 @@ namespace Cicada {
             }
             mRenderFrame = getFrame();
         }
-        if (mFrameQue.empty()) {
+        if (mFrameQue.empty() || ret == -EAGAIN) {
 
             // TODO: only on Android xiaomi miui 9?
             mMaxQueSize = std::min(mMaxQueSize.load() + 1, MAX_INPUT_BUFFER_COUNT);