amstream: Implement AMAudioData::GetFormat.

dlls/amstream/audiodata.c

@@ -34,6 +34,7 @@ typedef struct {
     BYTE *data;
     BOOL data_owned;
     DWORD actual_data;
+    WAVEFORMATEX wave_format;
 } AMAudioDataImpl;
 
 static inline AMAudioDataImpl *impl_from_IAudioData(IAudioData *iface)
@@ -168,9 +169,18 @@ static HRESULT WINAPI IAudioDataImpl_SetActual(IAudioData* iface, DWORD data_val
 /*** IAudioData methods ***/
 static HRESULT WINAPI IAudioDataImpl_GetFormat(IAudioData* iface, WAVEFORMATEX *wave_format_current)
 {
-    FIXME("(%p)->(%p): stub\n", iface, wave_format_current);
+    AMAudioDataImpl *This = impl_from_IAudioData(iface);
 
-    return E_NOTIMPL;
+    TRACE("(%p)->(%p)\n", iface, wave_format_current);
+
+    if (!wave_format_current)
+    {
+        return E_POINTER;
+    }
+
+    *wave_format_current = This->wave_format;
+
+    return S_OK;
 }
 
 static HRESULT WINAPI IAudioDataImpl_SetFormat(IAudioData* iface, const WAVEFORMATEX *wave_format)
@@ -211,6 +221,13 @@ HRESULT AMAudioData_create(IUnknown *pUnkOuter, LPVOID *ppObj)
     object->IAudioData_iface.lpVtbl = &AudioData_Vtbl;
     object->ref = 1;
 
+    object->wave_format.wFormatTag = WAVE_FORMAT_PCM;
+    object->wave_format.nChannels = 1;
+    object->wave_format.nSamplesPerSec = 11025;
+    object->wave_format.wBitsPerSample = 16;
+    object->wave_format.nBlockAlign = object->wave_format.wBitsPerSample * object->wave_format.nChannels / 8;
+    object->wave_format.nAvgBytesPerSec = object->wave_format.nBlockAlign * object->wave_format.nSamplesPerSec;
+
     *ppObj = &object->IAudioData_iface;
 
     return S_OK;

dlls/amstream/tests/amstream.c

@@ -745,6 +745,48 @@ out_unknown:
     IUnknown_Release(unknown);
 }
 
+static void test_audiodata_get_format(void)
+{
+    IUnknown *unknown = create_audio_data();
+    IAudioData *audio_data = NULL;
+    WAVEFORMATEX wave_format = {0};
+
+    HRESULT result;
+
+    result = IUnknown_QueryInterface(unknown, &IID_IAudioData, (void **)&audio_data);
+    if (FAILED(result))
+    {
+        /* test_audiodata_query_interface handles this case */
+        skip("No IAudioData\n");
+        goto out_unknown;
+    }
+
+    result = IAudioData_GetFormat(audio_data, NULL);
+    ok(E_POINTER == result, "got 0x%08x\n", result);
+
+    wave_format.wFormatTag = 0xdead;
+    wave_format.nChannels = 0xdead;
+    wave_format.nSamplesPerSec = 0xdeadbeef;
+    wave_format.nAvgBytesPerSec = 0xdeadbeef;
+    wave_format.nBlockAlign = 0xdead;
+    wave_format.wBitsPerSample = 0xdead;
+    wave_format.cbSize = 0xdead;
+    result = IAudioData_GetFormat(audio_data, &wave_format);
+    ok(S_OK == result, "got 0x%08x\n", result);
+    ok(WAVE_FORMAT_PCM == wave_format.wFormatTag, "got %u\n", wave_format.wFormatTag);
+    ok(1 == wave_format.nChannels, "got %u\n", wave_format.nChannels);
+    ok(11025 == wave_format.nSamplesPerSec, "got %u\n", wave_format.nSamplesPerSec);
+    ok(22050 == wave_format.nAvgBytesPerSec, "got %u\n", wave_format.nAvgBytesPerSec);
+    ok(2 == wave_format.nBlockAlign, "got %u\n", wave_format.nBlockAlign);
+    ok(16 == wave_format.wBitsPerSample, "got %u\n", wave_format.wBitsPerSample);
+    ok(0 == wave_format.cbSize, "got %u\n", wave_format.cbSize);
+
+    IAudioData_Release(audio_data);
+
+out_unknown:
+    IUnknown_Release(unknown);
+}
+
 START_TEST(amstream)
 {
     HANDLE file;
@@ -767,6 +809,7 @@ START_TEST(amstream)
     test_audiodata_get_info();
     test_audiodata_set_buffer();
     test_audiodata_set_actual();
+    test_audiodata_get_format();
 
     CoUninitialize();
 }