[PATCH v4 2/4] winegstreamer: Set the MF_MT_DEFAULT_STRIDE attribute in mf_media_type_from_wg_format().

[Zebediah Figura]

From: Zebediah Figura

---
 dlls/mfreadwrite/tests/mfplat.c  |  6 +--
 dlls/winegstreamer/gst_private.h |  4 ++
 dlls/winegstreamer/main.c        | 64 ++++++++++++++++++++++++++++++++
 dlls/winegstreamer/mfplat.c      |  7 ++++
 4 files changed, 78 insertions(+), 3 deletions(-)

diff --git a/dlls/mfreadwrite/tests/mfplat.c b/dlls/mfreadwrite/tests/mfplat.c
index 83091b59380..a6938b8004f 100644
--- a/dlls/mfreadwrite/tests/mfplat.c
+++ b/dlls/mfreadwrite/tests/mfplat.c
@@ -821,7 +821,7 @@ static void test_source_reader(const char *filename, bool video)
                 (unsigned int)(framesize >> 32), (unsigned int)framesize);

hr = IMFMediaType_GetUINT32(mediatype, &MF_MT_DEFAULT_STRIDE, &stride);
-        ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr);
+        todo_wine ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr);

IMFMediaType_Release(mediatype);

@@ -845,8 +845,8 @@ static void test_source_reader(const char *filename, bool video)
         ok(IsEqualGUID(&subtype, &MFVideoFormat_NV12), "Got subtype %s.\n", debugstr_guid(&subtype));

hr = IMFMediaType_GetUINT32(mediatype, &MF_MT_DEFAULT_STRIDE, &stride);
-        todo_wine ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
-        todo_wine ok(stride == 160, "Got stride %u.\n", stride);
+        ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+        ok(stride == 160, "Got stride %u.\n", stride);

IMFMediaType_Release(mediatype);

diff --git a/dlls/winegstreamer/gst_private.h b/dlls/winegstreamer/gst_private.h
index 5b4c01a3cd0..4323cacde4d 100644
--- a/dlls/winegstreamer/gst_private.h
+++ b/dlls/winegstreamer/gst_private.h
@@ -144,6 +144,10 @@ HRESULT wg_transform_read_quartz(struct wg_transform *transform, struct wg_sampl

HRESULT winegstreamer_stream_handler_create(REFIID riid, void **obj);

+unsigned int wg_format_get_stride(const struct wg_format *format);
+
+bool wg_video_format_is_rgb(enum wg_video_format format);
+
 HRESULT aac_decoder_create(REFIID riid, void **ret);
 HRESULT h264_decoder_create(REFIID riid, void **ret);
 HRESULT video_processor_create(REFIID riid, void **ret);
diff --git a/dlls/winegstreamer/main.c b/dlls/winegstreamer/main.c
index 1afa51ac0aa..ce59baaab3b 100644
--- a/dlls/winegstreamer/main.c
+++ b/dlls/winegstreamer/main.c
@@ -413,6 +413,70 @@ bool wg_transform_set_output_format(struct wg_transform *transform, struct wg_fo
     return !WINE_UNIX_CALL(unix_wg_transform_set_output_format, &params);
 }

+#define ALIGN(n, alignment) (((n) + (alignment) - 1) & ~((alignment) - 1))
+
+unsigned int wg_format_get_stride(const struct wg_format *format)
+{
+    const unsigned int width = format->u.video.width;
+
+    switch (format->u.video.format)
+    {
+        case WG_VIDEO_FORMAT_AYUV:
+            return width * 4;
+
+        case WG_VIDEO_FORMAT_BGRA:
+        case WG_VIDEO_FORMAT_BGRx:
+            return width * 4;
+
+        case WG_VIDEO_FORMAT_BGR:
+            return ALIGN(width * 3, 4);
+
+        case WG_VIDEO_FORMAT_UYVY:
+        case WG_VIDEO_FORMAT_YUY2:
+        case WG_VIDEO_FORMAT_YVYU:
+            return ALIGN(width * 2, 4);
+
+        case WG_VIDEO_FORMAT_RGB15:
+        case WG_VIDEO_FORMAT_RGB16:
+            return ALIGN(width * 2, 4);
+
+        case WG_VIDEO_FORMAT_I420:
+        case WG_VIDEO_FORMAT_NV12:
+        case WG_VIDEO_FORMAT_YV12:
+            return ALIGN(width, 4); /* Y plane */
+
+        case WG_VIDEO_FORMAT_UNKNOWN:
+            FIXME("Cannot calculate stride for unknown video format.\n");
+    }
+
+    return 0;
+}
+
+bool wg_video_format_is_rgb(enum wg_video_format format)
+{
+    switch (format)
+    {
+        case WG_VIDEO_FORMAT_BGRA:
+        case WG_VIDEO_FORMAT_BGRx:
+        case WG_VIDEO_FORMAT_BGR:
+        case WG_VIDEO_FORMAT_RGB15:
+        case WG_VIDEO_FORMAT_RGB16:
+            return true;
+
+        case WG_VIDEO_FORMAT_AYUV:
+        case WG_VIDEO_FORMAT_I420:
+        case WG_VIDEO_FORMAT_NV12:
+        case WG_VIDEO_FORMAT_UYVY:
+        case WG_VIDEO_FORMAT_YUY2:
+        case WG_VIDEO_FORMAT_YV12:
+        case WG_VIDEO_FORMAT_YVYU:
+        case WG_VIDEO_FORMAT_UNKNOWN:
+            break;
+    }
+
+    return false;
+}
+
 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
 {
     if (reason == DLL_PROCESS_ATTACH)
diff --git a/dlls/winegstreamer/mfplat.c b/dlls/winegstreamer/mfplat.c
index 4cd095fb82e..257ffb381a8 100644
--- a/dlls/winegstreamer/mfplat.c
+++ b/dlls/winegstreamer/mfplat.c
@@ -511,6 +511,7 @@ static IMFMediaType *mf_media_type_from_wg_format_video(const struct wg_format *
     {
         if (format->u.video.format == video_formats[i].format)
         {
+            unsigned int stride = wg_format_get_stride(format);
             int32_t height = abs(format->u.video.height);
             int32_t width = format->u.video.width;

@@ -526,6 +527,12 @@ static IMFMediaType *mf_media_type_from_wg_format_video(const struct wg_format *
             IMFMediaType_SetUINT32(type, &MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE);
             IMFMediaType_SetUINT32(type, &MF_MT_VIDEO_ROTATION, MFVideoRotationFormat_0);

+            if (wg_video_format_is_rgb(format->u.video.format))
+                stride = -stride;
+            if (format->u.video.height < 0)
+                stride = -stride;
+            IMFMediaType_SetUINT32(type, &MF_MT_DEFAULT_STRIDE, stride);
+
             if (!IsRectEmpty(&format->u.video.padding))
             {
                 MFVideoArea aperture =