Connor McAdams : mfplat: Add support for AudioFormat_Float in MFCreateWaveFormatExFromMFMediaType.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 538b702c871aa262d117a10fb5bc02b543112981
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=538b702c871aa262d117a10fb...

Author: Connor McAdams 
Date:   Wed Apr 21 10:20:04 2021 -0400

mfplat: Add support for AudioFormat_Float in MFCreateWaveFormatExFromMFMediaType.

Add support for the MFAudioFormat_Float subtype in
MFCreateWaveFormatExFromMFMediaType.

Signed-off-by: Connor McAdams 
Signed-off-by: Nikolay Sivov 
Signed-off-by: Alexandre Julliard

---

dlls/mfplat/mediatype.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/dlls/mfplat/mediatype.c b/dlls/mfplat/mediatype.c
index c8028b2a46f..4904dbb566f 100644
--- a/dlls/mfplat/mediatype.c
+++ b/dlls/mfplat/mediatype.c
@@ -2884,7 +2884,7 @@ HRESULT WINAPI MFCreateWaveFormatExFromMFMediaType(IMFMediaType *mediatype, WAVE
     if (!IsEqualGUID(&major, &MFMediaType_Audio))
         return E_INVALIDARG;

-    if (!IsEqualGUID(&subtype, &MFAudioFormat_PCM))
+    if (!IsEqualGUID(&subtype, &MFAudioFormat_PCM) && !IsEqualGUID(&subtype, &MFAudioFormat_Float))
     {
         FIXME("Unsupported audio format %s.\n", debugstr_guid(&subtype));
         return E_NOTIMPL;
@@ -2908,7 +2908,12 @@ HRESULT WINAPI MFCreateWaveFormatExFromMFMediaType(IMFMediaType *mediatype, WAVE

memset(format, 0, *size);

-    format->wFormatTag = format_ext ? WAVE_FORMAT_EXTENSIBLE : WAVE_FORMAT_PCM;
+    if (format_ext)
+        format->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
+    else if (IsEqualGUID(&subtype, &MFAudioFormat_Float))
+        format->wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
+    else
+        format->wFormatTag = WAVE_FORMAT_PCM;

if (SUCCEEDED(IMFMediaType_GetUINT32(mediatype, &MF_MT_AUDIO_NUM_CHANNELS, &value)))
         format->nChannels = value;