Zebediah Figura : winegstreamer: Allow converting to 16-bit 2-channel PCM within the splitter filter.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1052d5cfb1b2dc4a2833fc2d66b14a59726433f8
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=1052d5cfb1b2dc4a2833fc2d66b14a59726433f8

Author: Zebediah Figura <z.figura12 at gmail.com>
Date:   Mon Jan 27 19:06:56 2020 -0600

winegstreamer: Allow converting to 16-bit 2-channel PCM within the splitter filter.

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/winegstreamer/gstdemux.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/dlls/winegstreamer/gstdemux.c b/dlls/winegstreamer/gstdemux.c
index 8e36644030..f9eed906b6 100644
--- a/dlls/winegstreamer/gstdemux.c
+++ b/dlls/winegstreamer/gstdemux.c
@@ -1745,6 +1745,24 @@ static HRESULT gstdecoder_source_get_media_type(struct gstdemux_source *pin,
                 * vih->bmiHeader.biHeight * vih->bmiHeader.biBitCount / 8;
         return S_OK;
     }
+    else if (IsEqualGUID(&pin->mt.majortype, &MEDIATYPE_Audio) && index == 1)
+    {
+        const WAVEFORMATEX *our_format = (WAVEFORMATEX *)pin->mt.pbFormat;
+        WAVEFORMATEX *format;
+
+        *mt = pin->mt;
+        mt->subtype = MEDIASUBTYPE_PCM;
+        mt->pbFormat = CoTaskMemAlloc(sizeof(WAVEFORMATEX));
+        format = (WAVEFORMATEX *)mt->pbFormat;
+        format->wFormatTag = WAVE_FORMAT_PCM;
+        format->nChannels = 2;
+        format->nSamplesPerSec = our_format->nSamplesPerSec;
+        format->wBitsPerSample = 16;
+        format->nBlockAlign = 4;
+        format->nAvgBytesPerSec = format->nSamplesPerSec * 4;
+        format->cbSize = 0;
+        return S_OK;
+    }
 
     return VFW_S_NO_MORE_ITEMS;
 }