Nikolay Sivov : mfplat: Reduce duplication in MFCreateMFVideoFormatFromMFMediaType() for ratio attributes.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 895bb6f260e5c73cf49d417ac7fafe1a4d4cb769
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=895bb6f260e5c73cf49d417ac...

Author: Nikolay Sivov 
Date:   Thu Apr 22 09:25:34 2021 +0300

mfplat: Reduce duplication in MFCreateMFVideoFormatFromMFMediaType() for ratio attributes.

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

---

dlls/mfplat/mediatype.c | 33 ++++++++++++++-------------------
 1 file changed, 14 insertions(+), 19 deletions(-)

diff --git a/dlls/mfplat/mediatype.c b/dlls/mfplat/mediatype.c
index e0dbb6a1a78..fb90053c605 100644
--- a/dlls/mfplat/mediatype.c
+++ b/dlls/mfplat/mediatype.c
@@ -3063,10 +3063,16 @@ HRESULT WINAPI MFCreateVideoMediaTypeFromSubtype(const GUID *subtype, IMFVideoMe
     return S_OK;
 }

-static void media_type_get_ratio(UINT64 value, UINT32 *numerator, UINT32 *denominator)
+static void media_type_get_ratio(IMFMediaType *media_type, const GUID *attr, UINT32 *numerator,
+        UINT32 *denominator)
 {
-    *numerator = value >> 32;
-    *denominator = value;
+    UINT64 value;
+
+    if (SUCCEEDED(IMFMediaType_GetUINT64(media_type, attr, &value)))
+    {
+        *numerator = value >> 32;
+        *denominator = value;
+    }
 }

/***********************************************************************
@@ -3076,7 +3082,6 @@ HRESULT WINAPI MFCreateMFVideoFormatFromMFMediaType(IMFMediaType *media_type, MF
 {
     UINT32 flags, palette_size = 0, avgrate;
     MFVIDEOFORMAT *format;
-    UINT64 value;
     INT32 stride;
     GUID guid;

@@ -3101,14 +3106,11 @@ HRESULT WINAPI MFCreateMFVideoFormatFromMFMediaType(IMFMediaType *media_type, MF
         format->surfaceInfo.Format = guid.Data1;
     }

-    if (SUCCEEDED(IMFMediaType_GetUINT64(media_type, &MF_MT_FRAME_SIZE, &value)))
-        media_type_get_ratio(value, &format->videoInfo.dwWidth, &format->videoInfo.dwHeight);
-
-    if (SUCCEEDED(IMFMediaType_GetUINT64(media_type, &MF_MT_PIXEL_ASPECT_RATIO, &value)))
-    {
-        media_type_get_ratio(value, &format->videoInfo.PixelAspectRatio.Numerator,
-                &format->videoInfo.PixelAspectRatio.Denominator);
-    }
+    media_type_get_ratio(media_type, &MF_MT_FRAME_SIZE, &format->videoInfo.dwWidth, &format->videoInfo.dwHeight);
+    media_type_get_ratio(media_type, &MF_MT_PIXEL_ASPECT_RATIO, &format->videoInfo.PixelAspectRatio.Numerator,
+            &format->videoInfo.PixelAspectRatio.Denominator);
+    media_type_get_ratio(media_type, &MF_MT_FRAME_RATE, &format->videoInfo.FramesPerSecond.Numerator,
+            &format->videoInfo.FramesPerSecond.Denominator);

IMFMediaType_GetUINT32(media_type, &MF_MT_VIDEO_CHROMA_SITING, &format->videoInfo.SourceChromaSubsampling);
     IMFMediaType_GetUINT32(media_type, &MF_MT_INTERLACE_MODE, &format->videoInfo.InterlaceMode);
@@ -3116,13 +3118,6 @@ HRESULT WINAPI MFCreateMFVideoFormatFromMFMediaType(IMFMediaType *media_type, MF
     IMFMediaType_GetUINT32(media_type, &MF_MT_VIDEO_PRIMARIES, &format->videoInfo.ColorPrimaries);
     IMFMediaType_GetUINT32(media_type, &MF_MT_YUV_MATRIX, &format->videoInfo.TransferMatrix);
     IMFMediaType_GetUINT32(media_type, &MF_MT_VIDEO_LIGHTING, &format->videoInfo.SourceLighting);
-
-    if (SUCCEEDED(IMFMediaType_GetUINT64(media_type, &MF_MT_FRAME_RATE, &value)))
-    {
-        media_type_get_ratio(value, &format->videoInfo.FramesPerSecond.Numerator,
-                &format->videoInfo.FramesPerSecond.Denominator);
-    }
-
     IMFMediaType_GetUINT32(media_type, &MF_MT_VIDEO_NOMINAL_RANGE, &format->videoInfo.NominalRange);
     IMFMediaType_GetBlob(media_type, &MF_MT_GEOMETRIC_APERTURE, (UINT8 *)&format->videoInfo.GeometricAperture,
            sizeof(format->videoInfo.GeometricAperture), NULL);