From 9dd248f9d0ad9df9cc3413b2ba92dcbc03aa8fd3 Mon Sep 17 00:00:00 2001
From: Johns <johns98@gmx.net>
Date: Thu, 11 Apr 2013 12:03:38 +0200
Subject: [PATCH] Enable seamless audio track change.

---
 ChangeLog | 1 +
 audio.c   | 7 +++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 747f46c..d57bd67 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
 User johns
 Date:
 
+    Enable seamless audio track change.
     Fix bug #1302: Unsupported pixel format crash.
     Fix the fix, when sillpicture is called in suspend mode.
     Fix crash, when sillpicture is called in suspend mode.
diff --git a/audio.c b/audio.c
index ae64361..fa518d5 100644
--- a/audio.c
+++ b/audio.c
@@ -678,8 +678,7 @@ static int AudioRingAdd(unsigned sample_rate, int channels, int passthrough)
     }
     AudioRingWrite = (AudioRingWrite + 1) % AUDIO_RING_MAX;
 
-    // FIXME: don't flush buffers here
-    AudioRing[AudioRingWrite].FlushBuffers = 1;
+    AudioRing[AudioRingWrite].FlushBuffers = 0;
     AudioRing[AudioRingWrite].Passthrough = passthrough;
     AudioRing[AudioRingWrite].PacketSize = 0;
     AudioRing[AudioRingWrite].InSampleRate = sample_rate;
@@ -689,6 +688,9 @@ static int AudioRingAdd(unsigned sample_rate, int channels, int passthrough)
     AudioRing[AudioRingWrite].PTS = INT64_C(0x8000000000000000);
     RingBufferReset(AudioRing[AudioRingWrite].RingBuffer);
 
+    Debug(3, "audio: %d ring buffer prepared\n",
+	atomic_read(&AudioRingFilled) + 1);
+
     atomic_inc(&AudioRingFilled);
 
 #ifdef USE_AUDIO_THREAD
@@ -2417,6 +2419,7 @@ void AudioFlushBuffers(void)
     int i;
 
     old = AudioRingWrite;
+    // FIXME: check ring buffer overflow
     AudioRingWrite = (AudioRingWrite + 1) % AUDIO_RING_MAX;
     AudioRing[AudioRingWrite].FlushBuffers = 1;
     AudioRing[AudioRingWrite].Passthrough = AudioRing[old].Passthrough;