From a158f5d74742a50399dc7ba75843675127bfb9b6 Mon Sep 17 00:00:00 2001
From: arpi_esp <arpi_esp@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Tue, 8 May 2001 21:49:00 +0000
Subject: applied 'fakemono' patch by Bryan Chan scorpio@acm.org

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@733 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 mp3lib/decod386.c | 34 ++++++++++++++++++++++++++++++++++
 mp3lib/mp3.h      |  4 ++++
 mp3lib/sr1.c      | 13 +++++++++++++
 3 files changed, 51 insertions(+)

(limited to 'mp3lib')

diff --git a/mp3lib/decod386.c b/mp3lib/decod386.c
index f1a7e26b76..0dceb11a71 100644
--- a/mp3lib/decod386.c
+++ b/mp3lib/decod386.c
@@ -72,6 +72,40 @@ static int synth_1to1_mono2stereo(real *bandPtr,unsigned char *samples,int *pnt)
 }
 
 
+#ifdef USE_FAKE_MONO
+static int synth_1to1_l(real *bandPtr,int channel,unsigned char *out,int *pnt)
+{
+  int i,ret;
+
+  ret = synth_1to1(bandPtr,channel,out,pnt);
+  out = out + *pnt - 128;
+
+  for(i=0;i<32;i++) {
+    ((short *)out)[1] = ((short *)out)[0];
+    out+=4;
+  }
+
+  return ret;
+}
+
+
+static int synth_1to1_r(real *bandPtr,int channel,unsigned char *out,int *pnt)
+{
+  int i,ret;
+
+  ret = synth_1to1(bandPtr,channel,out,pnt);
+  out = out + *pnt - 128;
+
+  for(i=0;i<32;i++) {
+    ((short *)out)[0] = ((short *)out)[1];
+    out+=4;
+  }
+
+  return ret;
+}
+#endif
+
+
 static int synth_1to1(real *bandPtr,int channel,unsigned char *out,int *pnt)
 {
   static real buffs[2][2][0x110];
diff --git a/mp3lib/mp3.h b/mp3lib/mp3.h
index c89833fff2..308c8187af 100644
--- a/mp3lib/mp3.h
+++ b/mp3lib/mp3.h
@@ -1,7 +1,11 @@
 /* MP3 Player Library 2.0      (C) 1999 A'rpi/Astral&ESP-team  */
 
 /* decoder level: */
+#ifdef USE_FAKE_MONO
+extern void MP3_Init(int fakemono);
+#else
 extern void MP3_Init();
+#endif
 extern int MP3_Open(char *filename,int buffsize);
 extern void MP3_SeekFrame(int num,int dir);
 extern void MP3_SeekForward(int num);
diff --git a/mp3lib/sr1.c b/mp3lib/sr1.c
index 0829bc0c4a..f983763a04 100644
--- a/mp3lib/sr1.c
+++ b/mp3lib/sr1.c
@@ -348,7 +348,11 @@ retry1:
 static int tables_done_flag=0;
 
 // Init decoder tables.  Call first, once!
+#ifdef USE_FAKE_MONO
+void MP3_Init(int fakemono){
+#else
 void MP3_Init(){
+#endif
     _CpuID=CpuDetect();
     _i586=ipentium();
 #ifdef HAVE_3DNOW
@@ -362,7 +366,16 @@ void MP3_Init(){
 #endif
 
     make_decode_tables(outscale);
+#ifdef USE_FAKE_MONO
+    if (fakemono == 1)
+        fr.synth=synth_1to1_l;
+    else if (fakemono == 2)
+        fr.synth=synth_1to1_r;
+    else
+        fr.synth=synth_1to1;
+#else
     fr.synth=synth_1to1;
+#endif
     fr.synth_mono=synth_1to1_mono2stereo;
     fr.down_sample=0;
     fr.down_sample_sblimit = SBLIMIT>>(fr.down_sample);
-- 
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