| // Copyright 2017 Google Inc. 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/ref_counted.h" |
| #include "starboard/configuration.h" |
| #include "starboard/log.h" |
| #include "starboard/media.h" |
| #include "starboard/mutex.h" |
| #include "starboard/shared/starboard/player/closure.h" |
| #include "starboard/shared/starboard/player/filter/player_components.h" |
| #include "starboard/shared/starboard/player/input_buffer_internal.h" |
| #include "starboard/shared/starboard/player/video_frame_internal.h" |
| #include "starboard/string.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace win32 { |
| |
| // Converts 90khz to 10Mhz (100ns time). |
| int64_t ConvertToWin32Time(SbMediaTime input) { |
| int64_t out = input; |
| out *= 1000; |
| out /= 9; |
| return out; |
| } |
| |
| // Convert the other way around. |
| SbMediaTime ConvertToMediaTime(int64_t input) { |
| SbMediaTime out = input; |
| out *= 9; |
| out /= 1000; |
| return out; |
| } |
| |
| std::vector<ComPtr<IMFMediaType>> GetAllOutputMediaTypes( |
| IMFTransform* decoder) { |
| std::vector<ComPtr<IMFMediaType>> output; |
| for (int index = 0;; ++index) { |
| ComPtr<IMFMediaType> media_type; |
| HRESULT hr = decoder->GetOutputAvailableType(0, 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>> 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; |
| } |
| |
| ComPtr<IMFMediaType> FindMediaType(GUID sub_type, IMFTransform* decoder) { |
| std::vector<ComPtr<IMFMediaType>> media_types = |
| GetAllOutputMediaTypes(decoder); |
| media_types = FilterMediaBySubType(media_types, sub_type); |
| if (media_types.empty()) { |
| ComPtr<IMFMediaType> empty; |
| return empty; |
| } else { |
| return media_types[0]; |
| } |
| } |
| |
| } // namespace win32 |
| } // namespace shared |
| } // namespace starboard |