Jörg Höhle : winecoreaudio: Added WAVEFORMATEXTENSIBLE support, for PCM only.
Alexandre Julliard
julliard at winehq.org
Wed Sep 16 16:01:19 CDT 2009
Module: wine
Branch: master
Commit: c5b2acfb0400cf91af7c9c81ad4e12a4ee07c600
URL: http://source.winehq.org/git/wine.git/?a=commit;h=c5b2acfb0400cf91af7c9c81ad4e12a4ee07c600
Author: Jörg Höhle <hoehle at users.sourceforge.net>
Date: Fri Sep 11 08:12:53 2009 +0200
winecoreaudio: Added WAVEFORMATEXTENSIBLE support, for PCM only.
---
dlls/winecoreaudio.drv/audio.c | 30 ++++++++++++++++++++++++++++--
1 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/dlls/winecoreaudio.drv/audio.c b/dlls/winecoreaudio.drv/audio.c
index 2873b38..7f7c1ee 100644
--- a/dlls/winecoreaudio.drv/audio.c
+++ b/dlls/winecoreaudio.drv/audio.c
@@ -40,8 +40,12 @@
#include "wingdi.h"
#include "winerror.h"
#include "mmddk.h"
+#include "mmreg.h"
#include "dsound.h"
#include "dsdriver.h"
+#include "ks.h"
+#include "ksguid.h"
+#include "ksmedia.h"
#include "coreaudio.h"
#include "wine/unicode.h"
#include "wine/library.h"
@@ -441,12 +445,34 @@ static BOOL supportedFormat(LPWAVEFORMATEX wf)
if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
return TRUE;
}
+ } else if (wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
+ WAVEFORMATEXTENSIBLE * wfex = (WAVEFORMATEXTENSIBLE *)wf;
+
+ if (wf->cbSize == 22 && IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
+ if (wf->nChannels >=1 && wf->nChannels <= 2) {
+ if (wf->wBitsPerSample==wfex->Samples.wValidBitsPerSample) {
+ if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
+ return TRUE;
+ } else
+ WARN("wBitsPerSample != wValidBitsPerSample not supported yet\n");
+ }
+ } else
+ WARN("only KSDATAFORMAT_SUBTYPE_PCM supported\n");
} else
WARN("only WAVE_FORMAT_PCM supported\n");
return FALSE;
}
+void copyFormat(LPWAVEFORMATEX wf1, LPPCMWAVEFORMAT wf2)
+{
+ memcpy(wf2, wf1, sizeof(PCMWAVEFORMAT));
+ /* Downgrade WAVE_FORMAT_EXTENSIBLE KSDATAFORMAT_SUBTYPE_PCM
+ * to smaller yet compatible WAVE_FORMAT_PCM structure */
+ if (wf2->wf.wFormatTag == WAVE_FORMAT_EXTENSIBLE)
+ wf2->wf.wFormatTag = WAVE_FORMAT_PCM;
+}
+
/**************************************************************************
* CoreAudio_GetDevCaps [internal]
*/
@@ -915,7 +941,7 @@ static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
wwo->waveDesc = *lpDesc;
- memcpy(&wwo->format, lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
+ copyFormat(lpDesc->lpFormat, &wwo->format);
wwo->dwPlayedTotal = 0;
wwo->dwWrittenTotal = 0;
@@ -1941,7 +1967,7 @@ static DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
wwi->waveDesc = *lpDesc;
- memcpy(&wwi->format, lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
+ copyFormat(lpDesc->lpFormat, &wwi->format);
wwi->dwTotalRecorded = 0;
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