From df1fb188b14838600003fa4724b1ce588c0f5aed Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Thu, 5 Jul 2007 04:34:48 +0000
Subject: [PATCH] Removed campatibility behavior for 1.3

---
 src/audio/SDL_audio.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 0405e3a30..4eeadd2ee 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -144,13 +144,6 @@ static AudioBootStrap *bootstrap[] = {
     NULL
 };
 
-/*
- * If non-zero, use legacy behaviour (memset the callback buffer before call).
- * Changed to NOT initializing the buffer before the callback in 1.2.12.
- * Set environment SDL_AUDIO_MUST_INIT_BUFFERS=1 to get old behaviour.
- */
-static int must_init_callback_buffer = 0;
-
 static SDL_AudioDevice *
 get_audio_device(SDL_AudioDeviceID id)
 {
@@ -308,11 +301,6 @@ SDL_RunAudio(void *devicep)
             }
         }
 
-        /* New code should fill buffer or set it to silence themselves. */
-        if ( must_init_callback_buffer ) {
-            SDL_memset(stream, silence, stream_len);
-        }
-
         if (!device->paused) {
             SDL_mutexP(device->mixer_lock);
             (*fill) (udata, stream, stream_len);
@@ -396,9 +384,6 @@ SDL_AudioInit(const char *driver_name)
     int i = 0;
     int initialized = 0;
     int tried_to_init = 0;
-    const char *envr = SDL_getenv("SDL_AUDIO_MUST_INIT_BUFFERS");
-
-    must_init_callback_buffer = ((envr != NULL) && (SDL_atoi(envr)));
 
     if (SDL_WasInit(SDL_INIT_AUDIO)) {
         SDL_AudioQuit();        /* shutdown driver if already running. */