From 3caff7075e419991da16b034c8a3f04ee679f19d Mon Sep 17 00:00:00 2001
From: Iwan Timmer <irtimmer@gmail.com>
Date: Mon, 17 Feb 2014 16:55:21 +0100
Subject: [PATCH] Debug messages about alsa audio done in java

---
 jni/nv_alsa/nv_alsa.c                                  | 6 +++---
 src/com/limelight/binding/audio/AlsaAudioRenderer.java | 8 +++++++-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/jni/nv_alsa/nv_alsa.c b/jni/nv_alsa/nv_alsa.c
index 3ecd8a3..dd5c162 100644
--- a/jni/nv_alsa/nv_alsa.c
+++ b/jni/nv_alsa/nv_alsa.c
@@ -43,8 +43,6 @@ int nv_alsa_play(const unsigned char* indata, int data_len) {
 	int frames = data_len/4; /* 2 bytes/sample, 2 channels */
 	int rc = snd_pcm_writei(handle, indata, frames);
 	if (rc == -EPIPE) {
-		/* EPIPE means underrun */
-		fprintf(stderr, "underrun occurred\n");
 		snd_pcm_prepare(handle);
 	} else if (rc < 0) {
 		fprintf(stderr,
@@ -53,7 +51,9 @@ int nv_alsa_play(const unsigned char* indata, int data_len) {
 	} else if (rc != (int) frames) {
 		fprintf(stderr,
 			"short write, write %d frames\n", rc);
-	}	
+	}
+	
+	return rc;
 }
 
 int nv_alsa_close(void) {
diff --git a/src/com/limelight/binding/audio/AlsaAudioRenderer.java b/src/com/limelight/binding/audio/AlsaAudioRenderer.java
index 19c0379..e739013 100644
--- a/src/com/limelight/binding/audio/AlsaAudioRenderer.java
+++ b/src/com/limelight/binding/audio/AlsaAudioRenderer.java
@@ -1,5 +1,6 @@
 package com.limelight.binding.audio;
 
+import com.limelight.LimeLog;
 import com.limelight.nvstream.av.audio.AudioRenderer;
 
 /**
@@ -23,7 +24,12 @@ public class AlsaAudioRenderer implements AudioRenderer {
 
 	@Override
 	public void playDecodedAudio(byte[] bytes, int offset, int length) {
-		AlsaAudio.play(bytes, offset, length);
+		int rc = AlsaAudio.play(bytes, offset, length);
+		
+		if (rc<0)
+			LimeLog.warning("Alsa error from writei: "+rc);
+		else if (rc!=length/4)
+			LimeLog.warning("Alsa short write, write "+rc+" frames");
 	}
 
 	@Override