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evr/dshow: Support NV12 in evr_render.

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Add support for NV12 to evr_render(), as otherwise no video is rendered
at all in games like Age of Empires II DE.

In the process, the evr_copy_sample_buffer() function has been
refactored to move the MFCopyImage() call into format-specific code (to
better handle multi-planar formats cleanly).

Signed-off-by: David Gow <david@ingeniumdigital.com>
This commit is contained in:
David Gow 2024-02-25 23:47:53 +08:00 • committed by Alexandre Julliard
parent 1482e2f960
commit e2b1de523e
1 changed files with 27 additions and 9 deletions
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36
dlls/evr/evr.c
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@ -354,6 +354,7 @@ static HRESULT evr_copy_sample_buffer(struct evr *filter, const GUID *subtype, I
LONG src_stride;
HRESULT hr;
BYTE *src;
BYTE *dst_uv;
if (FAILED(hr = IMFMediaType_GetUINT32(filter->media_type, &MF_MT_DEFAULT_STRIDE, (UINT32 *)&src_stride)))
{
@ -364,14 +365,6 @@ static HRESULT evr_copy_sample_buffer(struct evr *filter, const GUID *subtype, I
width = frame_size >> 32;
lines = frame_size;
if (IsEqualGUID(subtype, &MFVideoFormat_YUY2))
{
width = (3 * width + 3) & ~3;
}
else
{
width *= 4;
}
if (FAILED(hr = IMediaSample_GetPointer(input_sample, &src)))
{
@ -392,6 +385,30 @@ static HRESULT evr_copy_sample_buffer(struct evr *filter, const GUID *subtype, I
if (SUCCEEDED(hr = IDirect3DSurface9_LockRect(surface, &locked_rect, NULL, D3DLOCK_DISCARD)))
{
if (src_stride < 0) src += (-src_stride) * (lines - 1);
if (IsEqualGUID(subtype, &MFVideoFormat_YUY2))
{
width = (3 * width + 3) & ~3;
MFCopyImage(locked_rect.pBits, locked_rect.Pitch, src, src_stride, width, lines);
}
else if (IsEqualGUID(subtype, &MFVideoFormat_NV12))
{
/* Width and height must be rounded up to even. */
width = (width + 1) & ~1;
lines = (lines + 1) & ~1;
/* Y plane */
MFCopyImage(locked_rect.pBits, locked_rect.Pitch, src, src_stride, width, lines);
/* UV plane */
dst_uv = (BYTE *)locked_rect.pBits + (lines * locked_rect.Pitch);
MFCopyImage(dst_uv, locked_rect.Pitch, src + (lines * src_stride), src_stride, width, lines / 2);
}
else
{
/* All other formats are 32-bit, single plane. */
MFCopyImage(locked_rect.pBits, locked_rect.Pitch, src, src_stride, width * 4, lines);
}
MFCopyImage(locked_rect.pBits, locked_rect.Pitch, src, src_stride, width, lines);
IDirect3DSurface9_UnlockRect(surface);
}
@ -427,7 +444,8 @@ static HRESULT evr_render(struct strmbase_renderer *iface, IMediaSample *input_s
if (IsEqualGUID(&subtype, &MFVideoFormat_ARGB32)
|| IsEqualGUID(&subtype, &MFVideoFormat_RGB32)
|| IsEqualGUID(&subtype, &MFVideoFormat_YUY2))
|| IsEqualGUID(&subtype, &MFVideoFormat_YUY2)
|| IsEqualGUID(&subtype, &MFVideoFormat_NV12))
{
if (SUCCEEDED(hr = evr_copy_sample_buffer(filter, &subtype, input_sample, &sample)))
{