When read() from AudioRecord returns 0 or negative value, report an error to applicat...

Change-Id: I3a66fd0ed3f6b90350d706a608a39d8b4a398e32
related-to-bug: 4195127

diff --git a/media/libstagefright/AudioSource.cpp b/media/libstagefright/AudioSource.cpp
index 29f16d8..a84365f 100644 (file)
--- a/media/libstagefright/AudioSource.cpp
+++ b/media/libstagefright/AudioSource.cpp
@@ -287,9 +287,10 @@ status_t AudioSource::read(
         }
 
         ssize_t n = mRecord->read(buffer->data(), buffer->size());
-        if (n < 0) {
+        if (n <= 0) {
+            LOGE("Read from AudioRecord returns: %ld", n);
             buffer->release();
-            return (status_t)n;
+            return UNKNOWN_ERROR;
         }
 
         int64_t recordDurationUs = (1000000LL * n >> 1) / sampleRate;