From 1e82007cae363aa547ac13a69e9765220ef9974b Mon Sep 17 00:00:00 2001
From: Robert Reif <reif@earthlink.net>
Date: Mon, 30 Aug 2004 18:36:06 +0000
Subject: [PATCH] Test 32 bit float samples.

---
 dlls/winmm/tests/capture.c | 29 +++++++++++++++++++++++++++--
 dlls/winmm/tests/wave.c    | 41 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 67 insertions(+), 3 deletions(-)

diff --git a/dlls/winmm/tests/capture.c b/dlls/winmm/tests/capture.c
index 84fee84e906..645e4c30fe0 100644
--- a/dlls/winmm/tests/capture.c
+++ b/dlls/winmm/tests/capture.c
@@ -33,6 +33,7 @@
 #include "mmreg.h"
 
 extern GUID KSDATAFORMAT_SUBTYPE_PCM;
+extern GUID KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
 
 #include "winmm_test.h"
 
@@ -505,7 +506,7 @@ static void wave_in_test_device(int device)
         waveInClose(win);
         wave_in_test_deviceIn(device,&wfex.Format,0,0,&capsA);
     } else
-        trace("waveInOpen(%s): 24 bit not supported\n",
+        trace("waveInOpen(%s): 24 bit samples not supported\n",
               dev_name(device));
 #endif
 
@@ -530,7 +531,31 @@ static void wave_in_test_device(int device)
         waveInClose(win);
         wave_in_test_deviceIn(device,&wfex.Format,0,0,&capsA);
     } else
-        trace("waveInOpen(%s): 32 bit not supported\n",
+        trace("waveInOpen(%s): 32 bit samples not supported\n",
+              dev_name(device));
+
+    /* test if 32 bit float samples supported */
+    wfex.Format.wFormatTag=WAVE_FORMAT_EXTENSIBLE;
+    wfex.Format.nChannels=2;
+    wfex.Format.wBitsPerSample=32;
+    wfex.Format.nSamplesPerSec=22050;
+    wfex.Format.nBlockAlign=wfex.Format.nChannels*wfex.Format.wBitsPerSample/8;
+    wfex.Format.nAvgBytesPerSec=wfex.Format.nSamplesPerSec*
+        wfex.Format.nBlockAlign;
+    wfex.Format.cbSize=22;
+    wfex.Samples.wValidBitsPerSample=wfex.Format.wBitsPerSample;
+    wfex.dwChannelMask=SPEAKER_ALL;
+    wfex.SubFormat=KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
+    rc=waveInOpen(&win,device,&wfex.Format,0,0,
+                  CALLBACK_NULL|WAVE_FORMAT_DIRECT);
+    ok(rc==MMSYSERR_NOERROR || rc==WAVERR_BADFORMAT ||
+       rc==MMSYSERR_INVALFLAG || rc==MMSYSERR_INVALPARAM,
+       "waveInOpen(%s): returned: %s\n",dev_name(device),wave_in_error(rc));
+    if (rc==MMSYSERR_NOERROR) {
+        waveInClose(win);
+        wave_in_test_deviceIn(device,&wfex.Format,0,0,&capsA);
+    } else
+        trace("waveInOpen(%s): 32 bit float samples not supported\n",
               dev_name(device));
 }
 
diff --git a/dlls/winmm/tests/wave.c b/dlls/winmm/tests/wave.c
index c51af0bc337..45a2cd3f3d3 100644
--- a/dlls/winmm/tests/wave.c
+++ b/dlls/winmm/tests/wave.c
@@ -54,6 +54,7 @@ static char* wave_generate_la(WAVEFORMATEX* wfx, double duration, DWORD* size)
     int nb_samples;
     char* buf;
     char* b;
+    WAVEFORMATEXTENSIBLE *wfex = (WAVEFORMATEXTENSIBLE*)wfx;
 
     nb_samples=(int)(duration*wfx->nSamplesPerSec);
     *size=nb_samples*wfx->nBlockAlign;
@@ -79,7 +80,9 @@ static char* wave_generate_la(WAVEFORMATEX* wfx, double duration, DWORD* size)
                 b[2]=(sample >> 16) & 0xff;
                 b+=3;
             }
-        } else if (wfx->wBitsPerSample==32) {
+        } else if ((wfx->wBitsPerSample==32) && ((wfx->wFormatTag == WAVE_FORMAT_PCM) ||
+            ((wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE) && 
+            IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)))) {
             signed int sample=(signed int)(((double)0x7fffffff+0.5)*y-0.5);
             for (j = 0; j < wfx->nChannels; j++) {
                 b[0]=sample & 0xff;
@@ -88,6 +91,17 @@ static char* wave_generate_la(WAVEFORMATEX* wfx, double duration, DWORD* size)
                 b[3]=(sample >> 24) & 0xff;
                 b+=4;
             }
+        } else if ((wfx->wBitsPerSample==32) && (wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE) && 
+            IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) {
+            union { float f; char c[4]; } sample;
+            sample.f=y;
+            for (j = 0; j < wfx->nChannels; j++) {
+                b[0]=sample.c[0];
+                b[1]=sample.c[1];
+                b[2]=sample.c[2];
+                b[3]=sample.c[3];
+                b+=4;
+            }
         }
     }
     return buf;
@@ -868,6 +882,31 @@ static void wave_out_test_device(int device)
     } else
         trace("waveOutOpen(%s): 32 bit samples not supported\n",
               dev_name(device));
+
+    /* test if 32 bit float samples supported */
+    wfex.Format.wFormatTag=WAVE_FORMAT_EXTENSIBLE;
+    wfex.Format.nChannels=2;
+    wfex.Format.wBitsPerSample=32;
+    wfex.Format.nSamplesPerSec=22050;
+    wfex.Format.nBlockAlign=wfex.Format.nChannels*wfex.Format.wBitsPerSample/8;
+    wfex.Format.nAvgBytesPerSec=wfex.Format.nSamplesPerSec*
+        wfex.Format.nBlockAlign;
+    wfex.Format.cbSize=22;
+    wfex.Samples.wValidBitsPerSample=wfex.Format.wBitsPerSample;
+    wfex.dwChannelMask=SPEAKER_ALL;
+    wfex.SubFormat=KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
+    rc=waveOutOpen(&wout,device,&wfex.Format,0,0,
+                   CALLBACK_NULL|WAVE_FORMAT_DIRECT);
+    ok(rc==MMSYSERR_NOERROR || rc==WAVERR_BADFORMAT ||
+       rc==MMSYSERR_INVALFLAG || rc==MMSYSERR_INVALPARAM,
+       "waveOutOpen(%s): returned %s\n",dev_name(device),wave_out_error(rc));
+    if (rc==MMSYSERR_NOERROR) {
+        waveOutClose(wout);
+        wave_out_test_deviceOut(device,1.0,&wfex.Format,WAVE_FORMAT_2M16,0,
+                                &capsA);
+    } else
+        trace("waveOutOpen(%s): 32 bit float samples not supported\n",
+              dev_name(device));
 }
 
 static void wave_out_tests()
-- 
2.11.4.GIT