[PATCH 6/6] iyuv_32: Implement IYUV_Decompress.

[Brendan McGrath]

From: Brendan McGrath <[e-mail]>

---
 dlls/iyuv_32/iyuv.c          | 81 +++++++++++++++++++++++++++++++++++-
 dlls/iyuv_32/tests/iyuv_32.c |  2 -
 2 files changed, 79 insertions(+), 4 deletions(-)

diff --git a/dlls/iyuv_32/iyuv.c b/dlls/iyuv_32/iyuv.c
index e2c222ae720..fa4ed7a7ba9 100644
--- a/dlls/iyuv_32/iyuv.c
+++ b/dlls/iyuv_32/iyuv.c
@@ -203,9 +203,86 @@ done:
 
 static LRESULT IYUV_Decompress(IMFTransform *transform, const ICDECOMPRESS *params)
 {
-    FIXME("ICM_DECOMPRESS %p %p\n", transform, params);
+    IMFSample *in_sample = NULL, *out_sample = NULL;
+    IMFMediaBuffer *in_buf = NULL, *out_buf = NULL;
+    MFT_OUTPUT_DATA_BUFFER mft_buf;
+    LRESULT r = ICERR_INTERNAL;
+    DWORD mft_status;
+    BYTE *data;
+    HRESULT hr;
+
+    TRACE("transform %p, params %p.\n", transform, params);
+
+    if (FAILED(MFCreateSample(&in_sample)))
+        return ICERR_INTERNAL;
+
+    if (FAILED(MFCreateMemoryBuffer(params->lpbiInput->biSizeImage, &in_buf)))
+        goto done;
+
+    if (FAILED(IMFSample_AddBuffer(in_sample, in_buf)))
+        goto done;
+
+    if (FAILED(MFCreateSample(&out_sample)))
+        goto done;
+
+    if (FAILED(MFCreateMemoryBuffer(params->lpbiOutput->biSizeImage, &out_buf)))
+        goto done;
+
+    if (FAILED(IMFSample_AddBuffer(out_sample, out_buf)))
+        goto done;
+
+    if (FAILED(IMFMediaBuffer_Lock(in_buf, &data, NULL, NULL)))
+        goto done;
+
+    memcpy(data, params->lpInput, params->lpbiInput->biSizeImage);
+
+    if (FAILED(IMFMediaBuffer_Unlock(in_buf)))
+        goto done;
 
-    return ICERR_UNSUPPORTED;
+    if (FAILED(IMFMediaBuffer_SetCurrentLength(in_buf, params->lpbiInput->biSizeImage)))
+        goto done;
+
+    if (FAILED(IMFTransform_ProcessInput(transform, 0, in_sample, 0)))
+        goto done;
+
+    memset(&mft_buf, 0, sizeof(mft_buf));
+    mft_buf.pSample = out_sample;
+
+    hr = IMFTransform_ProcessOutput(transform, 0, 1, &mft_buf, &mft_status);
+    if (hr == MF_E_TRANSFORM_STREAM_CHANGE)
+        hr = IMFTransform_ProcessOutput(transform, 0, 1, &mft_buf, &mft_status);
+
+    if (SUCCEEDED(hr))
+    {
+        LONG depth = params->lpbiOutput->biBitCount / 8;
+        LONG width = params->lpbiOutput->biWidth * depth;
+        LONG stride = (width + 3) & ~3;
+
+        if (FAILED(IMFMediaBuffer_Lock(out_buf, &data, NULL, NULL)))
+            goto done;
+
+        MFCopyImage(params->lpOutput, stride, data, stride, width, params->lpbiOutput->biHeight);
+
+        IMFMediaBuffer_Unlock(out_buf);
+        r = ICERR_OK;
+    }
+    else if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT)
+    {
+        TRACE("no output received.\n");
+        r = ICERR_OK;
+    }
+
+done:
+    if (in_buf)
+        IMFMediaBuffer_Release(in_buf);
+    if (in_sample)
+        IMFSample_Release(in_sample);
+    if (out_buf)
+        IMFMediaBuffer_Release(out_buf);
+    if (out_sample)
+        IMFSample_Release(out_sample);
+
+    return r;
 }
 
 static LRESULT IYUV_GetInfo(ICINFO *icinfo, DWORD size)
diff --git a/dlls/iyuv_32/tests/iyuv_32.c b/dlls/iyuv_32/tests/iyuv_32.c
index cc8edca386b..6bc565c4293 100644
--- a/dlls/iyuv_32/tests/iyuv_32.c
+++ b/dlls/iyuv_32/tests/iyuv_32.c
@@ -331,7 +331,6 @@ static void test_decompress(DWORD handler)
     ok(res == ICERR_OK, "Got %ld.\n", res);
 
     res = ICDecompress(hic, 0, &i420_info, i420_data, &rgb_info, rgb_data);
-    todo_wine
     ok(res == ICERR_OK, "Got %ld.\n", res);
     res = ICDecompressEnd(hic);
     ok(res == ICERR_OK, "Got %ld.\n", res);
@@ -346,7 +345,6 @@ static void test_decompress(DWORD handler)
     for (unsigned int i = 0; i < rgb_info.biSizeImage; ++i)
         diff += abs((int)rgb_data[i] - (int)expect_rgb_data[i]);
     diff = diff * 100 / 256 / rgb_info.biSizeImage;
-    todo_wine
     ok(diff == 0, "Got %lu%% difference.\n", diff);
 
     res = ICClose(hic);
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/10549