From: Seungbae Shin <seungbae.shin@samsung.com>
Date: Fri, 24 Feb 2017 11:00:58 +0000 (+0900)
Subject: Write dummy write if stream is not written at first callback during prepare situtaion
X-Git-Tag: submit/tizen_3.0/20170224.122826^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F64%2F116464%2F1;p=platform%2Fcore%2Fapi%2Faudio-io.git

Write dummy write if stream is not written at first callback during prepare situtaion

[Version] 0.3.68
[Profile] Common
[Issue Type] Bug

Change-Id: I3118c91af39d6022db9d4fb889a1a437a47dc605
---

diff --git a/packaging/capi-media-audio-io.spec b/packaging/capi-media-audio-io.spec
index 4525359..e1c78c7 100644
--- a/packaging/capi-media-audio-io.spec
+++ b/packaging/capi-media-audio-io.spec
@@ -1,6 +1,6 @@
 Name:           capi-media-audio-io
 Summary:        An Audio Input & Audio Output library in Tizen Native API
-Version:        0.3.67
+Version:        0.3.68
 Release:        0
 Group:          Multimedia/API
 License:        Apache-2.0
diff --git a/src/cpp/CPulseAudioClient.cpp b/src/cpp/CPulseAudioClient.cpp
index 8fc6bec..8c0d379 100644
--- a/src/cpp/CPulseAudioClient.cpp
+++ b/src/cpp/CPulseAudioClient.cpp
@@ -171,6 +171,19 @@ void CPulseAudioClient::__streamPlaybackCb(pa_stream* s, size_t length, void* us
     assert(pClient->__mpListener);
 
     pClient->__mpListener->onStream(pClient, length);
+
+    /* If stream is not written in first callback during prepare,
+       then write dummy data to ensure the start */
+    if (pClient->__mIsFirstStream) {
+        AUDIO_IO_LOGD("Write dummy, length [%d]", length);
+
+        char* dummy = new char[length];
+        memset(dummy, 0, length);
+        pa_stream_write(s, dummy, length, NULL, 0LL, PA_SEEK_RELATIVE);
+        delete [] dummy;
+
+        pClient->__mIsFirstStream = false;
+    }
 }
 
 void CPulseAudioClient::__streamLatencyUpdateCb(pa_stream* s, void* user_data) {