From: Rémi Bernon rbernon@codeweavers.com
--- dlls/mfplat/mediatype.c | 315 +++++++++++++++++++++++++++++++++---- dlls/mfplat/tests/mfplat.c | 20 ++- 2 files changed, 293 insertions(+), 42 deletions(-)
diff --git a/dlls/mfplat/mediatype.c b/dlls/mfplat/mediatype.c index 16976af3255..ae9f753f2a8 100644 --- a/dlls/mfplat/mediatype.c +++ b/dlls/mfplat/mediatype.c @@ -19,6 +19,7 @@ #define COBJMACROS
#include "mfplat_private.h" +#include <math.h>
#include "dxva2api.h" #include "uuids.h" @@ -43,6 +44,48 @@ DEFINE_MEDIATYPE_GUID(MFVideoFormat_ARGB4444, D3DFMT_A4R4G4B4); /* BUG: MFVideoFormat_A2R10G10B10 uses D3DFMT_A2B10G10R10, is this a typo? */ DEFINE_MEDIATYPE_GUID(MFVideoFormat_A2R10G10B10_BUG, D3DFMT_A2R10G10B10);
+DEFINE_GUID(GUID_NULL,0,0,0,0,0,0,0,0,0,0,0); + +static const UINT32 default_channel_mask[7] = +{ + 0, + SPEAKER_FRONT_LEFT, + SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT, + SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER, + KSAUDIO_SPEAKER_QUAD, + KSAUDIO_SPEAKER_QUAD | SPEAKER_FRONT_CENTER, + KSAUDIO_SPEAKER_5POINT1, +}; + +static GUID get_am_subtype_for_mf_subtype(GUID subtype) +{ + if (IsEqualGUID(&subtype, &MFVideoFormat_RGB1)) + return MEDIASUBTYPE_RGB1; + if (IsEqualGUID(&subtype, &MFVideoFormat_RGB4)) + return MEDIASUBTYPE_RGB4; + if (IsEqualGUID(&subtype, &MFVideoFormat_RGB8)) + return MEDIASUBTYPE_RGB8; + if (IsEqualGUID(&subtype, &MFVideoFormat_RGB555)) + return MEDIASUBTYPE_RGB555; + if (IsEqualGUID(&subtype, &MFVideoFormat_RGB565)) + return MEDIASUBTYPE_RGB565; + if (IsEqualGUID(&subtype, &MFVideoFormat_RGB24)) + return MEDIASUBTYPE_RGB24; + if (IsEqualGUID(&subtype, &MFVideoFormat_RGB32)) + return MEDIASUBTYPE_RGB32; + if (IsEqualGUID(&subtype, &MFVideoFormat_ARGB1555)) + return MEDIASUBTYPE_ARGB1555; + if (IsEqualGUID(&subtype, &MFVideoFormat_ARGB4444)) + return MEDIASUBTYPE_ARGB4444; + if (IsEqualGUID(&subtype, &MFVideoFormat_ARGB32)) + return MEDIASUBTYPE_ARGB32; + if (IsEqualGUID(&subtype, &MFVideoFormat_A2R10G10B10_BUG)) + return MEDIASUBTYPE_A2R10G10B10; + if (IsEqualGUID(&subtype, &MFVideoFormat_A2R10G10B10)) + return MEDIASUBTYPE_A2B10G10R10; + return subtype; +} + struct media_type { struct attributes attributes; @@ -2629,6 +2672,7 @@ struct uncompressed_video_format unsigned char alignment; unsigned char bottom_up; unsigned char yuv; + int compression; };
static int __cdecl uncompressed_video_format_compare(const void *a, const void *b) @@ -2640,35 +2684,35 @@ static int __cdecl uncompressed_video_format_compare(const void *a, const void *
static const struct uncompressed_video_format video_formats[] = { - { &MFVideoFormat_RGB24, 24, 3, 1, 0 }, - { &MFVideoFormat_ARGB32, 32, 3, 1, 0 }, - { &MFVideoFormat_RGB32, 32, 3, 1, 0 }, - { &MFVideoFormat_RGB565, 16, 3, 1, 0 }, - { &MFVideoFormat_RGB555, 16, 3, 1, 0 }, - { &MFVideoFormat_A2R10G10B10, 32, 3, 1, 0 }, - { &MFVideoFormat_RGB8, 8, 3, 1, 0 }, - { &MFVideoFormat_L8, 8, 3, 1, 0 }, - { &MFVideoFormat_AYUV, 32, 3, 0, 1 }, - { &MFVideoFormat_I420, 12, 0, 0, 1 }, - { &MFVideoFormat_IMC1, 16, 3, 0, 1 }, - { &MFVideoFormat_IMC2, 12, 0, 0, 1 }, - { &MFVideoFormat_IMC3, 16, 3, 0, 1 }, - { &MFVideoFormat_IMC4, 12, 0, 0, 1 }, - { &MFVideoFormat_IYUV, 12, 0, 0, 1 }, - { &MFVideoFormat_NV11, 12, 0, 0, 1 }, - { &MFVideoFormat_NV12, 12, 0, 0, 1 }, - { &MFVideoFormat_D16, 16, 3, 0, 0 }, - { &MFVideoFormat_L16, 16, 3, 0, 0 }, - { &MFVideoFormat_UYVY, 16, 0, 0, 1 }, - { &MFVideoFormat_YUY2, 16, 0, 0, 1 }, - { &MFVideoFormat_YV12, 12, 0, 0, 1 }, - { &MFVideoFormat_YVYU, 16, 0, 0, 1 }, - { &MFVideoFormat_A16B16G16R16F, 64, 3, 1, 0 }, - { &MEDIASUBTYPE_RGB8, 8, 3, 1, 0 }, - { &MEDIASUBTYPE_RGB565, 16, 3, 1, 0 }, - { &MEDIASUBTYPE_RGB555, 16, 3, 1, 0 }, - { &MEDIASUBTYPE_RGB24, 24, 3, 1, 0 }, - { &MEDIASUBTYPE_RGB32, 32, 3, 1, 0 }, + { &MFVideoFormat_RGB24, 24, 3, 1, 0, BI_RGB }, + { &MFVideoFormat_ARGB32, 32, 3, 1, 0, BI_RGB }, + { &MFVideoFormat_RGB32, 32, 3, 1, 0, BI_RGB }, + { &MFVideoFormat_RGB565, 16, 3, 1, 0, BI_BITFIELDS }, + { &MFVideoFormat_RGB555, 16, 3, 1, 0, BI_RGB }, + { &MFVideoFormat_A2R10G10B10, 32, 3, 1, 0, -1 }, + { &MFVideoFormat_RGB8, 8, 3, 1, 0, BI_RGB }, + { &MFVideoFormat_L8, 8, 3, 1, 0, -1 }, + { &MFVideoFormat_AYUV, 32, 3, 0, 1, -1 }, + { &MFVideoFormat_I420, 12, 0, 0, 1, -1 }, + { &MFVideoFormat_IMC1, 16, 3, 0, 1, -1 }, + { &MFVideoFormat_IMC2, 12, 0, 0, 1, -1 }, + { &MFVideoFormat_IMC3, 16, 3, 0, 1, -1 }, + { &MFVideoFormat_IMC4, 12, 0, 0, 1, -1 }, + { &MFVideoFormat_IYUV, 12, 0, 0, 1, -1 }, + { &MFVideoFormat_NV11, 12, 0, 0, 1, -1 }, + { &MFVideoFormat_NV12, 12, 0, 0, 1, -1 }, + { &MFVideoFormat_D16, 16, 3, 0, 0, -1 }, + { &MFVideoFormat_L16, 16, 3, 0, 0, -1 }, + { &MFVideoFormat_UYVY, 16, 0, 0, 1, -1 }, + { &MFVideoFormat_YUY2, 16, 0, 0, 1, -1 }, + { &MFVideoFormat_YV12, 12, 0, 0, 1, -1 }, + { &MFVideoFormat_YVYU, 16, 0, 0, 1, -1 }, + { &MFVideoFormat_A16B16G16R16F, 64, 3, 1, 0, -1 }, + { &MEDIASUBTYPE_RGB8, 8, 3, 1, 0, BI_RGB }, + { &MEDIASUBTYPE_RGB565, 16, 3, 1, 0, BI_BITFIELDS }, + { &MEDIASUBTYPE_RGB555, 16, 3, 1, 0, BI_RGB }, + { &MEDIASUBTYPE_RGB24, 24, 3, 1, 0, BI_RGB }, + { &MEDIASUBTYPE_RGB32, 32, 3, 1, 0, BI_RGB }, };
static struct uncompressed_video_format *mf_get_video_format(const GUID *subtype) @@ -3686,13 +3730,222 @@ HRESULT WINAPI MFInitMediaTypeFromVideoInfoHeader(IMFMediaType *media_type, cons return hr; }
+static HRESULT init_am_media_type_audio_format(AM_MEDIA_TYPE *am_type, UINT32 user_size, IMFMediaType *media_type) +{ + UINT32 num_channels, value; + HRESULT hr; + + if (IsEqualGUID(&am_type->formattype, &FORMAT_VideoInfo) + || IsEqualGUID(&am_type->formattype, &FORMAT_VideoInfo2) + || IsEqualGUID(&am_type->formattype, &FORMAT_MFVideoFormat)) + return E_INVALIDARG; + + if (IsEqualGUID(&am_type->formattype, &FORMAT_WaveFormatEx) + || IsEqualGUID(&am_type->formattype, &GUID_NULL)) + { + WAVEFORMATEX *format; + + if (FAILED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_NUM_CHANNELS, &num_channels))) + num_channels = 0; + + if (SUCCEEDED(IMFMediaType_GetItem(media_type, &MF_MT_AUDIO_CHANNEL_MASK, NULL)) + || SUCCEEDED(IMFMediaType_GetItem(media_type, &MF_MT_AUDIO_VALID_BITS_PER_SAMPLE, NULL)) + || SUCCEEDED(IMFMediaType_GetItem(media_type, &MF_MT_AUDIO_SAMPLES_PER_BLOCK, NULL)) + || num_channels > 2) + { + WAVEFORMATEXTENSIBLE *format_ext; + + am_type->cbFormat = sizeof(*format_ext) + user_size; + if (!(am_type->pbFormat = CoTaskMemAlloc(am_type->cbFormat))) + return E_OUTOFMEMORY; + format_ext = (WAVEFORMATEXTENSIBLE *)am_type->pbFormat; + memset(format_ext, 0, sizeof(*format_ext)); + + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_CHANNEL_MASK, &value))) + format_ext->dwChannelMask = value; + else if (num_channels < ARRAY_SIZE(default_channel_mask)) + format_ext->dwChannelMask = default_channel_mask[num_channels]; + + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_VALID_BITS_PER_SAMPLE, &value))) + format_ext->Samples.wValidBitsPerSample = value; + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_SAMPLES_PER_BLOCK, &value))) + format_ext->Samples.wSamplesPerBlock = value; + format_ext->SubFormat = am_type->subtype; + + format = &format_ext->Format; + format->wFormatTag = WAVE_FORMAT_EXTENSIBLE; + format->cbSize = sizeof(*format_ext) - sizeof(*format) + user_size; + + if (user_size && FAILED(hr = IMFMediaType_GetBlob(media_type, &MF_MT_USER_DATA, + (BYTE *)(format_ext + 1), user_size, NULL))) + return hr; + } + else + { + am_type->cbFormat = sizeof(*format) + user_size; + if (!(am_type->pbFormat = CoTaskMemAlloc(am_type->cbFormat))) + return E_OUTOFMEMORY; + format = (WAVEFORMATEX *)am_type->pbFormat; + memset(format, 0, sizeof(*format)); + + format->wFormatTag = am_type->subtype.Data1; + format->cbSize = user_size; + + if (user_size && FAILED(hr = IMFMediaType_GetBlob(media_type, &MF_MT_USER_DATA, + (BYTE *)(format + 1), user_size, NULL))) + return hr; + } + + format->nChannels = num_channels; + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &value))) + format->nSamplesPerSec = value; + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_AVG_BYTES_PER_SECOND, &value))) + format->nAvgBytesPerSec = value; + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_BLOCK_ALIGNMENT, &value))) + format->nBlockAlign = value; + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AUDIO_BITS_PER_SAMPLE, &value))) + format->wBitsPerSample = value; + + am_type->subtype = get_am_subtype_for_mf_subtype(am_type->subtype); + am_type->formattype = FORMAT_WaveFormatEx; + } + else + { + WARN("Unknown format %s\n", debugstr_mf_guid(&am_type->formattype)); + am_type->formattype = GUID_NULL; + } + + return S_OK; +} + +static HRESULT init_am_media_type_video_format(AM_MEDIA_TYPE *am_type, UINT32 user_size, IMFMediaType *media_type) +{ + UINT32 image_size, bitrate, sample_size; + UINT64 frame_size, frame_rate; + INT32 width, height; + HRESULT hr; + + if (IsEqualGUID(&am_type->formattype, &FORMAT_WaveFormatEx)) + return E_INVALIDARG; + + if (IsEqualGUID(&am_type->formattype, &FORMAT_MFVideoFormat)) + return MFCreateMFVideoFormatFromMFMediaType(media_type, (MFVIDEOFORMAT **)&am_type->pbFormat, + (UINT32 *)&am_type->cbFormat); + + if (IsEqualGUID(&am_type->formattype, &FORMAT_VideoInfo) + || IsEqualGUID(&am_type->formattype, &GUID_NULL)) + { + struct uncompressed_video_format *video_format = mf_get_video_format(&am_type->subtype); + VIDEOINFOHEADER *format; + + am_type->cbFormat = sizeof(*format) + user_size; + if (!(am_type->pbFormat = CoTaskMemAlloc(am_type->cbFormat))) + return E_OUTOFMEMORY; + format = (VIDEOINFOHEADER *)am_type->pbFormat; + memset(format, 0, sizeof(*format)); + + format->bmiHeader.biSize = sizeof(format->bmiHeader) + user_size; + format->bmiHeader.biPlanes = 1; + format->bmiHeader.biBitCount = video_format ? video_format->bpp : 0; + + if (video_format && video_format->compression != -1) + format->bmiHeader.biCompression = video_format->compression; + else + format->bmiHeader.biCompression = am_type->subtype.Data1; + + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AVG_BITRATE, &bitrate))) + format->dwBitRate = bitrate; + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_AVG_BIT_ERROR_RATE, &bitrate))) + format->dwBitErrorRate = bitrate; + if (SUCCEEDED(IMFMediaType_GetUINT64(media_type, &MF_MT_FRAME_RATE, &frame_rate)) && (frame_rate >> 32)) + format->AvgTimePerFrame = round(10000000. * (UINT32)frame_rate / (frame_rate >> 32)); + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_SAMPLE_SIZE, &sample_size))) + format->bmiHeader.biSizeImage = sample_size; + + if (SUCCEEDED(IMFMediaType_GetUINT64(media_type, &MF_MT_FRAME_SIZE, &frame_size))) + { + BOOL bottom_up = format->bmiHeader.biCompression == BI_RGB || format->bmiHeader.biCompression == BI_BITFIELDS; + + if (FAILED(IMFMediaType_GetUINT32(media_type, &MF_MT_DEFAULT_STRIDE, (UINT32 *)&width))) + width = (frame_size >> 32) * (bottom_up ? -1 : 1); + else if (video_format) + width /= video_format->bpp / 8; + height = (UINT32)frame_size; + + format->bmiHeader.biWidth = abs(width); + format->bmiHeader.biHeight = height * (bottom_up && width >= 0 ? -1 : 1); + + if (SUCCEEDED(MFCalculateImageSize(&am_type->subtype, abs(width), height, &image_size))) + format->bmiHeader.biSizeImage = image_size; + } + + if (user_size && FAILED(hr = IMFMediaType_GetBlob(media_type, &MF_MT_USER_DATA, + (BYTE *)(format + 1), user_size, NULL))) + return hr; + + am_type->formattype = FORMAT_VideoInfo; + am_type->subtype = get_am_subtype_for_mf_subtype(am_type->subtype); + } + else if (IsEqualGUID(&am_type->formattype, &FORMAT_VideoInfo2)) + { + FIXME("Not implemented!\n"); + am_type->formattype = GUID_NULL; + return E_NOTIMPL; + } + else + { + WARN("Unknown format %s\n", debugstr_mf_guid(&am_type->formattype)); + am_type->formattype = GUID_NULL; + } + + return S_OK; +} + /*********************************************************************** * MFInitAMMediaTypeFromMFMediaType (mfplat.@) */ HRESULT WINAPI MFInitAMMediaTypeFromMFMediaType(IMFMediaType *media_type, GUID format, AM_MEDIA_TYPE *am_type) { - FIXME("%p, %s, %p\n", media_type, debugstr_guid(&format), am_type); - return E_NOTIMPL; + UINT32 value, user_size; + HRESULT hr; + + TRACE("%p, %s, %p.\n", media_type, debugstr_mf_guid(&format), am_type); + + memset(am_type, 0, sizeof(*am_type)); + am_type->formattype = format; + + if (FAILED(hr = IMFMediaType_GetMajorType(media_type, &am_type->majortype)) + || FAILED(hr = IMFMediaType_GetGUID(media_type, &MF_MT_SUBTYPE, &am_type->subtype))) + goto done; + + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_FIXED_SIZE_SAMPLES, &value))) + am_type->bFixedSizeSamples = value; + if (SUCCEEDED(IMFMediaType_GetUINT32(media_type, &MF_MT_SAMPLE_SIZE, &value))) + am_type->lSampleSize = value; + + if (FAILED(hr = IMFMediaType_GetBlob(media_type, &MF_MT_USER_DATA, NULL, 0, &user_size)) + && hr != E_NOT_SUFFICIENT_BUFFER) + user_size = 0; + + if (IsEqualGUID(&am_type->majortype, &MFMediaType_Audio)) + hr = init_am_media_type_audio_format(am_type, user_size, media_type); + else if (IsEqualGUID(&am_type->majortype, &MFMediaType_Video)) + hr = init_am_media_type_video_format(am_type, user_size, media_type); + else + { + FIXME("Not implemented!\n"); + hr = E_NOTIMPL; + } + +done: + if (FAILED(hr)) + { + CoTaskMemFree(am_type->pbFormat); + am_type->pbFormat = NULL; + am_type->cbFormat = 0; + } + + return hr; }
/*********************************************************************** diff --git a/dlls/mfplat/tests/mfplat.c b/dlls/mfplat/tests/mfplat.c index f51cb760068..51119d3d888 100644 --- a/dlls/mfplat/tests/mfplat.c +++ b/dlls/mfplat/tests/mfplat.c @@ -7072,25 +7072,24 @@ static void test_MFInitAMMediaTypeFromMFMediaType(void) /* test basic media type attributes mapping and valid formats */
hr = MFInitAMMediaTypeFromMFMediaType(media_type, GUID_NULL, &am_type); - todo_wine ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr); + ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr); hr = IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Audio); ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); hr = MFInitAMMediaTypeFromMFMediaType(media_type, GUID_NULL, &am_type); - todo_wine ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr); + ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr); hr = IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Video); ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); hr = MFInitAMMediaTypeFromMFMediaType(media_type, GUID_NULL, &am_type); - todo_wine ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr); + ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr);
hr = IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Audio); ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); hr = IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &MFAudioFormat_PCM); ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); hr = MFInitAMMediaTypeFromMFMediaType(media_type, FORMAT_VideoInfo, &am_type); - todo_wine ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr); + ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr); hr = MFInitAMMediaTypeFromMFMediaType(media_type, GUID_NULL, &am_type); - todo_wine ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); - if (hr != S_OK) goto skip_tests; + ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); ok(IsEqualGUID(&am_type.majortype, &MFMediaType_Audio), "got %s.\n", debugstr_guid(&am_type.majortype)); ok(IsEqualGUID(&am_type.subtype, &MFAudioFormat_PCM), "got %s.\n", debugstr_guid(&am_type.subtype)); ok(IsEqualGUID(&am_type.formattype, &FORMAT_WaveFormatEx), "got %s.\n", debugstr_guid(&am_type.formattype)); @@ -7133,11 +7132,11 @@ static void test_MFInitAMMediaTypeFromMFMediaType(void) ok(am_type.cbFormat == sizeof(VIDEOINFOHEADER), "got %lu\n", am_type.cbFormat); CoTaskMemFree(am_type.pbFormat); hr = MFInitAMMediaTypeFromMFMediaType(media_type, FORMAT_VideoInfo2, &am_type); - ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); + todo_wine ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); ok(IsEqualGUID(&am_type.majortype, &MFMediaType_Video), "got %s.\n", debugstr_guid(&am_type.majortype)); - ok(IsEqualGUID(&am_type.subtype, &MEDIASUBTYPE_RGB32), "got %s.\n", debugstr_guid(&am_type.subtype)); - ok(IsEqualGUID(&am_type.formattype, &FORMAT_VideoInfo2), "got %s.\n", debugstr_guid(&am_type.formattype)); - ok(am_type.cbFormat == sizeof(VIDEOINFOHEADER2), "got %lu\n", am_type.cbFormat); + todo_wine ok(IsEqualGUID(&am_type.subtype, &MEDIASUBTYPE_RGB32), "got %s.\n", debugstr_guid(&am_type.subtype)); + todo_wine ok(IsEqualGUID(&am_type.formattype, &FORMAT_VideoInfo2), "got %s.\n", debugstr_guid(&am_type.formattype)); + todo_wine ok(am_type.cbFormat == sizeof(VIDEOINFOHEADER2), "got %lu\n", am_type.cbFormat); CoTaskMemFree(am_type.pbFormat); hr = MFInitAMMediaTypeFromMFMediaType(media_type, FORMAT_MFVideoFormat, &am_type); ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); @@ -7549,7 +7548,6 @@ static void test_MFInitAMMediaTypeFromMFMediaType(void) CoTaskMemFree(am_type.pbFormat); IMFMediaType_DeleteAllItems(media_type);
-skip_tests: IMFMediaType_Release(media_type); }