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// Copyright 2020 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/xb1/shared/video_decoder_uwp.h"
#include <windows.h>
#include "starboard/shared/uwp/async_utils.h"
#include "starboard/shared/uwp/decoder_utils.h"
#include "third_party/angle/include/angle_hdr.h"
using ::starboard::shared::uwp::ApplicationUwp;
using ::starboard::shared::uwp::UpdateHdrColorMetadataToCurrentDisplay;
using ::starboard::shared::uwp::WaitForComplete;
using Windows::Graphics::Display::Core::HdmiDisplayInformation;
namespace starboard {
namespace xb1 {
namespace shared {
const int kXboxeOneXMaxOutputSamples = 5;
VideoDecoderUwp::~VideoDecoderUwp() {
if (IsHdrSupported() && IsHdrAngleModeEnabled()) {
SetHdrAngleModeEnabled(false);
auto hdmi_display_info = HdmiDisplayInformation::GetForCurrentView();
WaitForComplete(hdmi_display_info->SetDefaultDisplayModeAsync());
}
}
// static
bool VideoDecoderUwp::IsHardwareVp9DecoderSupported() {
return ::starboard::shared::win32::VideoDecoder::
IsHardwareVp9DecoderSupported(ApplicationUwp::Get()->IsHdrSupported());
}
// static
bool VideoDecoderUwp::IsHardwareAv1DecoderSupported() {
// XboxOneS/Base has av1 mft decoder, but sw av1 decoder
// is more preferred for Xbox OneS/Base because of performance.
// So to avoid using av1 mft in these devices we test if
// the current XBOX has vp9 hw decoder. If it doesn't it means
// that there is XboxOneS/Base and we don't use mft av1 decoder.
return VideoDecoderUwp::IsHardwareVp9DecoderSupported() &&
::starboard::shared::win32::IsHardwareAv1DecoderSupported();
}
bool VideoDecoderUwp::TryUpdateOutputForHdrVideo(
const VideoStreamInfo& stream_info) {
bool is_hdr_video =
stream_info.color_metadata.primaries == kSbMediaPrimaryIdBt2020;
if (is_hdr_video && !ApplicationUwp::Get()->IsHdrSupported()) {
return false;
}
if (is_first_input_) {
is_first_input_ = false;
const SbMediaColorMetadata& color_metadata = stream_info.color_metadata;
if (is_hdr_video && IsHdrSupported()) {
if (!IsHdrAngleModeEnabled()) {
SetHdrAngleModeEnabled(true);
}
if (memcmp(&color_metadata, &current_color_metadata_,
sizeof(color_metadata)) != 0) {
current_color_metadata_ = color_metadata;
UpdateHdrColorMetadataToCurrentDisplay(color_metadata);
}
}
}
return true;
}
size_t VideoDecoderUwp::GetPrerollFrameCount() const {
return GetMaxNumberOfCachedFrames();
}
size_t VideoDecoderUwp::GetMaxNumberOfCachedFrames() const {
return (::starboard::shared::uwp::kXboxOneX ==
::starboard::shared::uwp::GetXboxType())
? kXboxeOneXMaxOutputSamples
: ::starboard::shared::win32::VideoDecoder::GetPrerollFrameCount();
}
} // namespace shared
} // namespace xb1
} // namespace starboard