| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "starboard/shared/win32/media_common.h" |
| |
| #include <Mfapi.h> |
| #include <Mferror.h> |
| #include <Mfidl.h> |
| #include <Mfobjects.h> |
| #include <Rpc.h> |
| #include <comutil.h> |
| #include <wrl\client.h> // For ComPtr. |
| |
| #include "starboard/common/log.h" |
| #include "starboard/common/mutex.h" |
| #include "starboard/common/ref_counted.h" |
| #include "starboard/common/string.h" |
| #include "starboard/configuration.h" |
| #include "starboard/media.h" |
| #include "starboard/shared/starboard/player/filter/player_components.h" |
| #include "starboard/shared/starboard/player/input_buffer_internal.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace win32 { |
| |
| // Converts microseconds to 10Mhz (100ns time). |
| int64_t ConvertToWin32Time(SbTime input) { |
| int64_t out = input; |
| out *= 10; |
| return out; |
| } |
| |
| // Convert the other way around. |
| SbTime ConvertToSbTime(int64_t input) { |
| SbTime out = input; |
| out /= 10; |
| return out; |
| } |
| |
| std::vector<ComPtr<IMFMediaType>> GetAllOutputMediaTypes( |
| int stream_id, |
| IMFTransform* decoder) { |
| std::vector<ComPtr<IMFMediaType>> output; |
| for (int index = 0;; ++index) { |
| ComPtr<IMFMediaType> media_type; |
| HRESULT hr = decoder->GetOutputAvailableType(stream_id, index, &media_type); |
| if (SUCCEEDED(hr)) { |
| output.push_back(media_type); |
| } else { |
| SB_DCHECK(hr == MF_E_NO_MORE_TYPES); |
| break; |
| } |
| } |
| return output; |
| } |
| |
| std::vector<ComPtr<IMFMediaType>> GetAllInputMediaTypes( |
| int stream_id, |
| IMFTransform* transform) { |
| std::vector<ComPtr<IMFMediaType>> input_types; |
| |
| for (DWORD i = 0;; ++i) { |
| ComPtr<IMFMediaType> curr_type; |
| HRESULT hr = transform->GetInputAvailableType(stream_id, i, |
| curr_type.GetAddressOf()); |
| if (FAILED(hr)) { |
| break; |
| } |
| input_types.push_back(curr_type); |
| } |
| return input_types; |
| } |
| |
| std::vector<ComPtr<IMFMediaType>> FilterMediaBySubType( |
| const std::vector<ComPtr<IMFMediaType>>& input, |
| GUID sub_type_filter) { |
| std::vector<ComPtr<IMFMediaType>> output; |
| for (auto it = input.begin(); it != input.end(); ++it) { |
| ComPtr<IMFMediaType> media_type = *it; |
| GUID media_sub_type = {0}; |
| media_type->GetGUID(MF_MT_SUBTYPE, &media_sub_type); |
| if (IsEqualGUID(media_sub_type, sub_type_filter)) { |
| output.push_back(media_type); |
| } |
| } |
| return output; |
| } |
| |
| HRESULT CreateAV1Decoder(const IID& iid, void** object) { |
| MFT_REGISTER_TYPE_INFO type_info = {MFMediaType_Video, MFVideoFormat_AV1}; |
| MFT_REGISTER_TYPE_INFO output_info = {MFMediaType_Video, MFVideoFormat_NV12}; |
| |
| IMFActivate** acts; |
| UINT32 acts_num = 0; |
| HRESULT hr = ::MFTEnumEx(MFT_CATEGORY_VIDEO_DECODER, |
| MFT_ENUM_FLAG_SYNCMFT | MFT_ENUM_FLAG_LOCALMFT | |
| MFT_ENUM_FLAG_UNTRUSTED_STOREMFT, |
| &type_info, &output_info, &acts, &acts_num); |
| if (FAILED(hr)) |
| return hr; |
| |
| if (acts_num < 1) |
| return E_FAIL; |
| |
| hr = acts[0]->ActivateObject(iid, object); |
| for (UINT32 i = 0; i < acts_num; ++i) |
| acts[i]->Release(); |
| CoTaskMemFree(acts); |
| return hr; |
| } |
| |
| HRESULT CreateDecoderTransform(const GUID& decoder_guid, |
| ComPtr<IMFTransform>* transform) { |
| if (decoder_guid == MFVideoFormat_AV1) { |
| return CreateAV1Decoder(IID_PPV_ARGS(transform->GetAddressOf())); |
| } |
| return CoCreateInstance(decoder_guid, NULL, CLSCTX_INPROC_SERVER, |
| IID_PPV_ARGS(transform->GetAddressOf())); |
| } |
| |
| bool IsHardwareAv1DecoderSupported() { |
| static bool av1_decoder_supported = false; |
| static bool av1_support_checked = false; |
| if (!av1_support_checked) { |
| MFT_REGISTER_TYPE_INFO type_info = {MFMediaType_Video, MFVideoFormat_AV1}; |
| MFT_REGISTER_TYPE_INFO output_info = {MFMediaType_Video, |
| MFVideoFormat_NV12}; |
| |
| IMFActivate** acts; |
| UINT32 acts_num = 0; |
| HRESULT hr = ::MFTEnumEx(MFT_CATEGORY_VIDEO_DECODER, |
| MFT_ENUM_FLAG_SYNCMFT | MFT_ENUM_FLAG_LOCALMFT | |
| MFT_ENUM_FLAG_UNTRUSTED_STOREMFT, |
| &type_info, &output_info, &acts, &acts_num); |
| for (UINT32 i = 0; i < acts_num; ++i) |
| acts[i]->Release(); |
| av1_decoder_supported = SUCCEEDED(hr) && acts_num >= 1; |
| av1_support_checked = true; |
| } |
| return av1_decoder_supported; |
| } |
| } // namespace win32 |
| } // namespace shared |
| } // namespace starboard |