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// 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/starboard/media/media_support_internal.h"
#include <d3d11.h>
#include <mfapi.h>
#include <mfidl.h>
#include <wrl/client.h>
#include "starboard/configuration_constants.h"
#include "starboard/shared/starboard/media/media_util.h"
using ::starboard::shared::starboard::media::MimeType;
namespace {
// Cache the VP9 support status since the check may be expensive.
enum Vp9Support { kVp9SupportUnknown, kVp9SupportYes, kVp9SupportNo };
Vp9Support s_vp9_support = kVp9SupportUnknown;
// Check for VP9 support. Since this is used by a starboard function, it
// cannot depend on other modules (e.g. ANGLE).
bool IsVp9Supported() {
if (!kSbHasMediaWebmVp9Support) {
return false;
}
if (s_vp9_support == kVp9SupportUnknown) {
// Try initializing the VP9 decoder to determine if it is supported.
HRESULT hr;
Microsoft::WRL::ComPtr<ID3D11Device> d3d_device;
hr = D3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, 0,
nullptr, 0, D3D11_SDK_VERSION,
d3d_device.GetAddressOf(), nullptr, nullptr);
UINT reset_token = 0;
Microsoft::WRL::ComPtr<IMFDXGIDeviceManager> device_manager;
if (SUCCEEDED(hr)) {
hr = MFCreateDXGIDeviceManager(&reset_token,
device_manager.GetAddressOf());
}
if (SUCCEEDED(hr)) {
hr = device_manager->ResetDevice(d3d_device.Get(), reset_token);
}
Microsoft::WRL::ComPtr<IMFTransform> transform;
if (SUCCEEDED(hr)) {
hr = CoCreateInstance(CLSID_MSVPxDecoder, nullptr, CLSCTX_INPROC_SERVER,
IID_PPV_ARGS(transform.GetAddressOf()));
}
if (SUCCEEDED(hr)) {
hr = transform->ProcessMessage(MFT_MESSAGE_SET_D3D_MANAGER,
ULONG_PTR(device_manager.Get()));
}
s_vp9_support = SUCCEEDED(hr) ? kVp9SupportYes : kVp9SupportNo;
}
return s_vp9_support == kVp9SupportYes;
}
} // namespace
bool SbMediaIsVideoSupported(SbMediaVideoCodec video_codec,
const MimeType* mime_type,
int profile,
int level,
int bit_depth,
SbMediaPrimaryId primary_id,
SbMediaTransferId transfer_id,
SbMediaMatrixId matrix_id,
int frame_width,
int frame_height,
int64_t bitrate,
int fps,
bool decode_to_texture_required) {
// Win32 platforms use decode-to-texture by default so there is no special
// constraints if decode-to-texture support is specifically required.
int max_width = 1920;
int max_height = 1080;
if (video_codec == kSbMediaVideoCodecVp9) {
// Vp9 supports 8k only in whitelisted platforms, up to 4k in the others.
#ifdef ENABLE_VP9_8K_SUPPORT
max_width = 7680;
max_height = 4320;
#else // ENABLE_VP9_8K_SUPPORT
max_width = 3840;
max_height = 2160;
#endif // ENABLE_VP9_8K_SUPPORT
} else if (video_codec == kSbMediaVideoCodecH264) {
// Not all devices can support 4k H264; some (e.g. xb1) may crash in
// the decoder if provided too high of a resolution. Therefore
// platforms must explicitly opt-in to support 4k H264.
#ifdef ENABLE_H264_4K_SUPPORT
max_width = 3840;
max_height = 2160;
#endif // ENABLE_H264_4K_SUPPORT
}
if (frame_width > max_width || frame_height > max_height) {
return false;
}
// Is bitrate in range?
if (bitrate > kSbMediaMaxVideoBitrateInBitsPerSecond) {
return false;
}
if (fps > 60) {
return false;
}
using ::starboard::shared::starboard::media::IsSDRVideo;
if (!IsSDRVideo(bit_depth, primary_id, transfer_id, matrix_id)) {
return false;
}
if (video_codec == kSbMediaVideoCodecH264) {
return true;
}
if (video_codec == kSbMediaVideoCodecVp9) {
return IsVp9Supported();
}
return false;
}