mirror of
https://github.com/mozilla/gecko-dev.git
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3113118c4a
Differential Revision: https://phabricator.services.mozilla.com/D23273 --HG-- extra : moz-landing-system : lando
580 lines
21 KiB
C++
580 lines
21 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AppleVTDecoder.h"
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#include "AppleDecoderModule.h"
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#include "AppleUtils.h"
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#include "MacIOSurfaceImage.h"
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#include "MediaData.h"
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#include "mozilla/ArrayUtils.h"
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#include "H264.h"
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#include "nsAutoPtr.h"
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#include "nsThreadUtils.h"
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#include "mozilla/Logging.h"
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#include "VideoUtils.h"
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#include "gfxPlatform.h"
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#include "MacIOSurfaceImage.h"
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#define LOG(...) DDMOZ_LOG(sPDMLog, mozilla::LogLevel::Debug, __VA_ARGS__)
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#define LOGEX(_this, ...) \
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DDMOZ_LOGEX(_this, sPDMLog, mozilla::LogLevel::Debug, __VA_ARGS__)
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namespace mozilla {
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using namespace layers;
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AppleVTDecoder::AppleVTDecoder(const VideoInfo& aConfig, TaskQueue* aTaskQueue,
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layers::ImageContainer* aImageContainer,
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CreateDecoderParams::OptionSet aOptions)
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: mExtraData(aConfig.mExtraData),
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mPictureWidth(aConfig.mImage.width),
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mPictureHeight(aConfig.mImage.height),
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mDisplayWidth(aConfig.mDisplay.width),
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mDisplayHeight(aConfig.mDisplay.height),
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mTaskQueue(aTaskQueue),
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mMaxRefFrames(aOptions.contains(CreateDecoderParams::Option::LowLatency)
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? 0
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: H264::ComputeMaxRefFrames(aConfig.mExtraData)),
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mImageContainer(aImageContainer)
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#ifdef MOZ_WIDGET_UIKIT
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,
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mUseSoftwareImages(true)
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#else
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,
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mUseSoftwareImages(false)
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#endif
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,
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mIsFlushing(false),
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mMonitor("AppleVTDecoder"),
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mFormat(nullptr),
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mSession(nullptr),
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mIsHardwareAccelerated(false) {
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MOZ_COUNT_CTOR(AppleVTDecoder);
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// TODO: Verify aConfig.mime_type.
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LOG("Creating AppleVTDecoder for %dx%d h.264 video", mDisplayWidth,
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mDisplayHeight);
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// To ensure our PromiseHolder is only ever accessed with the monitor held.
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mPromise.SetMonitor(&mMonitor);
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}
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AppleVTDecoder::~AppleVTDecoder() { MOZ_COUNT_DTOR(AppleVTDecoder); }
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RefPtr<MediaDataDecoder::InitPromise> AppleVTDecoder::Init() {
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MediaResult rv = InitializeSession();
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if (NS_SUCCEEDED(rv)) {
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return InitPromise::CreateAndResolve(TrackType::kVideoTrack, __func__);
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}
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return InitPromise::CreateAndReject(rv, __func__);
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}
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RefPtr<MediaDataDecoder::DecodePromise> AppleVTDecoder::Decode(
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MediaRawData* aSample) {
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LOG("mp4 input sample %p pts %lld duration %lld us%s %zu bytes", aSample,
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aSample->mTime.ToMicroseconds(), aSample->mDuration.ToMicroseconds(),
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aSample->mKeyframe ? " keyframe" : "", aSample->Size());
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RefPtr<AppleVTDecoder> self = this;
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RefPtr<MediaRawData> sample = aSample;
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return InvokeAsync(mTaskQueue, __func__, [self, this, sample] {
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RefPtr<DecodePromise> p;
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{
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MonitorAutoLock mon(mMonitor);
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p = mPromise.Ensure(__func__);
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}
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ProcessDecode(sample);
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return p;
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});
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}
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RefPtr<MediaDataDecoder::FlushPromise> AppleVTDecoder::Flush() {
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mIsFlushing = true;
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return InvokeAsync(mTaskQueue, this, __func__, &AppleVTDecoder::ProcessFlush);
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}
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RefPtr<MediaDataDecoder::DecodePromise> AppleVTDecoder::Drain() {
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return InvokeAsync(mTaskQueue, this, __func__, &AppleVTDecoder::ProcessDrain);
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}
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RefPtr<ShutdownPromise> AppleVTDecoder::Shutdown() {
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if (mTaskQueue) {
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RefPtr<AppleVTDecoder> self = this;
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return InvokeAsync(mTaskQueue, __func__, [self]() {
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self->ProcessShutdown();
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return ShutdownPromise::CreateAndResolve(true, __func__);
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});
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}
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ProcessShutdown();
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return ShutdownPromise::CreateAndResolve(true, __func__);
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}
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// Helper to fill in a timestamp structure.
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static CMSampleTimingInfo TimingInfoFromSample(MediaRawData* aSample) {
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CMSampleTimingInfo timestamp;
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timestamp.duration =
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CMTimeMake(aSample->mDuration.ToMicroseconds(), USECS_PER_S);
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timestamp.presentationTimeStamp =
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CMTimeMake(aSample->mTime.ToMicroseconds(), USECS_PER_S);
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timestamp.decodeTimeStamp =
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CMTimeMake(aSample->mTimecode.ToMicroseconds(), USECS_PER_S);
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return timestamp;
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}
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void AppleVTDecoder::ProcessDecode(MediaRawData* aSample) {
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AssertOnTaskQueueThread();
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if (mIsFlushing) {
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MonitorAutoLock mon(mMonitor);
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mPromise.Reject(NS_ERROR_DOM_MEDIA_CANCELED, __func__);
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return;
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}
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AutoCFRelease<CMBlockBufferRef> block = nullptr;
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AutoCFRelease<CMSampleBufferRef> sample = nullptr;
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VTDecodeInfoFlags infoFlags;
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OSStatus rv;
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// FIXME: This copies the sample data. I think we can provide
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// a custom block source which reuses the aSample buffer.
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// But note that there may be a problem keeping the samples
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// alive over multiple frames.
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rv = CMBlockBufferCreateWithMemoryBlock(
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kCFAllocatorDefault, // Struct allocator.
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const_cast<uint8_t*>(aSample->Data()), aSample->Size(),
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kCFAllocatorNull, // Block allocator.
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NULL, // Block source.
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0, // Data offset.
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aSample->Size(), false, block.receive());
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if (rv != noErr) {
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NS_ERROR("Couldn't create CMBlockBuffer");
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MonitorAutoLock mon(mMonitor);
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mPromise.Reject(
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MediaResult(NS_ERROR_OUT_OF_MEMORY,
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RESULT_DETAIL("CMBlockBufferCreateWithMemoryBlock:%x", rv)),
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__func__);
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return;
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}
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CMSampleTimingInfo timestamp = TimingInfoFromSample(aSample);
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rv = CMSampleBufferCreate(kCFAllocatorDefault, block, true, 0, 0, mFormat, 1,
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1, ×tamp, 0, NULL, sample.receive());
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if (rv != noErr) {
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NS_ERROR("Couldn't create CMSampleBuffer");
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MonitorAutoLock mon(mMonitor);
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mPromise.Reject(MediaResult(NS_ERROR_OUT_OF_MEMORY,
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RESULT_DETAIL("CMSampleBufferCreate:%x", rv)),
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__func__);
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return;
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}
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VTDecodeFrameFlags decodeFlags =
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kVTDecodeFrame_EnableAsynchronousDecompression;
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rv = VTDecompressionSessionDecodeFrame(
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mSession, sample, decodeFlags, CreateAppleFrameRef(aSample), &infoFlags);
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if (rv != noErr && !(infoFlags & kVTDecodeInfo_FrameDropped)) {
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LOG("AppleVTDecoder: Error %d VTDecompressionSessionDecodeFrame", rv);
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NS_WARNING("Couldn't pass frame to decoder");
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// It appears that even when VTDecompressionSessionDecodeFrame returned a
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// failure. Decoding sometimes actually get processed.
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MonitorAutoLock mon(mMonitor);
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mPromise.RejectIfExists(
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MediaResult(NS_ERROR_DOM_MEDIA_DECODE_ERR,
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RESULT_DETAIL("VTDecompressionSessionDecodeFrame:%x", rv)),
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__func__);
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return;
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}
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}
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void AppleVTDecoder::ProcessShutdown() {
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if (mSession) {
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LOG("%s: cleaning up session %p", __func__, mSession);
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VTDecompressionSessionInvalidate(mSession);
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CFRelease(mSession);
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mSession = nullptr;
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}
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if (mFormat) {
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LOG("%s: releasing format %p", __func__, mFormat);
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CFRelease(mFormat);
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mFormat = nullptr;
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}
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}
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RefPtr<MediaDataDecoder::FlushPromise> AppleVTDecoder::ProcessFlush() {
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AssertOnTaskQueueThread();
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nsresult rv = WaitForAsynchronousFrames();
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if (NS_FAILED(rv)) {
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LOG("AppleVTDecoder::Flush failed waiting for platform decoder");
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}
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MonitorAutoLock mon(mMonitor);
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mPromise.RejectIfExists(NS_ERROR_DOM_MEDIA_CANCELED, __func__);
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while (!mReorderQueue.IsEmpty()) {
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mReorderQueue.Pop();
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}
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mSeekTargetThreshold.reset();
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mIsFlushing = false;
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return FlushPromise::CreateAndResolve(true, __func__);
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}
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RefPtr<MediaDataDecoder::DecodePromise> AppleVTDecoder::ProcessDrain() {
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AssertOnTaskQueueThread();
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nsresult rv = WaitForAsynchronousFrames();
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if (NS_FAILED(rv)) {
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LOG("AppleVTDecoder::Drain failed waiting for platform decoder");
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}
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MonitorAutoLock mon(mMonitor);
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DecodedData samples;
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while (!mReorderQueue.IsEmpty()) {
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samples.AppendElement(mReorderQueue.Pop());
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}
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return DecodePromise::CreateAndResolve(std::move(samples), __func__);
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}
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AppleVTDecoder::AppleFrameRef* AppleVTDecoder::CreateAppleFrameRef(
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const MediaRawData* aSample) {
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MOZ_ASSERT(aSample);
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return new AppleFrameRef(*aSample);
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}
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void AppleVTDecoder::SetSeekThreshold(const media::TimeUnit& aTime) {
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if (aTime.IsValid()) {
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mSeekTargetThreshold = Some(aTime);
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} else {
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mSeekTargetThreshold.reset();
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}
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}
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//
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// Implementation details.
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//
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// Callback passed to the VideoToolbox decoder for returning data.
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// This needs to be static because the API takes a C-style pair of
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// function and userdata pointers. This validates parameters and
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// forwards the decoded image back to an object method.
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static void PlatformCallback(void* decompressionOutputRefCon,
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void* sourceFrameRefCon, OSStatus status,
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VTDecodeInfoFlags flags, CVImageBufferRef image,
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CMTime presentationTimeStamp,
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CMTime presentationDuration) {
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AppleVTDecoder* decoder =
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static_cast<AppleVTDecoder*>(decompressionOutputRefCon);
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LOGEX(decoder, "AppleVideoDecoder %s status %d flags %d", __func__,
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static_cast<int>(status), flags);
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nsAutoPtr<AppleVTDecoder::AppleFrameRef> frameRef(
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static_cast<AppleVTDecoder::AppleFrameRef*>(sourceFrameRefCon));
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// Validate our arguments.
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if (status != noErr || !image) {
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NS_WARNING("VideoToolbox decoder returned no data");
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image = nullptr;
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} else if (flags & kVTDecodeInfo_FrameDropped) {
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NS_WARNING(" ...frame tagged as dropped...");
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} else {
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MOZ_ASSERT(CFGetTypeID(image) == CVPixelBufferGetTypeID(),
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"VideoToolbox returned an unexpected image type");
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}
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decoder->OutputFrame(image, *frameRef);
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}
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// Copy and return a decoded frame.
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void AppleVTDecoder::OutputFrame(CVPixelBufferRef aImage,
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AppleVTDecoder::AppleFrameRef aFrameRef) {
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if (mIsFlushing) {
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// We are in the process of flushing or shutting down; ignore frame.
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return;
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}
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LOG("mp4 output frame %lld dts %lld pts %lld duration %lld us%s",
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aFrameRef.byte_offset, aFrameRef.decode_timestamp.ToMicroseconds(),
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aFrameRef.composition_timestamp.ToMicroseconds(),
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aFrameRef.duration.ToMicroseconds(),
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aFrameRef.is_sync_point ? " keyframe" : "");
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if (!aImage) {
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// Image was dropped by decoder or none return yet.
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// We need more input to continue.
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MonitorAutoLock mon(mMonitor);
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mPromise.Resolve(DecodedData(), __func__);
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return;
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}
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bool useNullSample = false;
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if (mSeekTargetThreshold.isSome()) {
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if ((aFrameRef.composition_timestamp + aFrameRef.duration) <
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mSeekTargetThreshold.ref()) {
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useNullSample = true;
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} else {
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mSeekTargetThreshold.reset();
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}
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}
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// Where our resulting image will end up.
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RefPtr<MediaData> data;
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// Bounds.
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VideoInfo info;
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info.mDisplay = gfx::IntSize(mDisplayWidth, mDisplayHeight);
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if (useNullSample) {
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data = new NullData(aFrameRef.byte_offset, aFrameRef.composition_timestamp,
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aFrameRef.duration);
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} else if (mUseSoftwareImages) {
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size_t width = CVPixelBufferGetWidth(aImage);
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size_t height = CVPixelBufferGetHeight(aImage);
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DebugOnly<size_t> planes = CVPixelBufferGetPlaneCount(aImage);
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MOZ_ASSERT(planes == 3, "Likely not YUV420 format and it must be.");
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VideoData::YCbCrBuffer buffer;
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// Lock the returned image data.
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CVReturn rv =
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CVPixelBufferLockBaseAddress(aImage, kCVPixelBufferLock_ReadOnly);
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if (rv != kCVReturnSuccess) {
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NS_ERROR("error locking pixel data");
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MonitorAutoLock mon(mMonitor);
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mPromise.Reject(
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MediaResult(NS_ERROR_DOM_MEDIA_DECODE_ERR,
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RESULT_DETAIL("CVPixelBufferLockBaseAddress:%x", rv)),
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__func__);
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return;
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}
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// Y plane.
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buffer.mPlanes[0].mData =
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static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 0));
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buffer.mPlanes[0].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 0);
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buffer.mPlanes[0].mWidth = width;
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buffer.mPlanes[0].mHeight = height;
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buffer.mPlanes[0].mOffset = 0;
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buffer.mPlanes[0].mSkip = 0;
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// Cb plane.
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buffer.mPlanes[1].mData =
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static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 1));
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buffer.mPlanes[1].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 1);
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buffer.mPlanes[1].mWidth = (width + 1) / 2;
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buffer.mPlanes[1].mHeight = (height + 1) / 2;
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buffer.mPlanes[1].mOffset = 0;
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buffer.mPlanes[1].mSkip = 0;
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// Cr plane.
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buffer.mPlanes[2].mData =
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static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 2));
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buffer.mPlanes[2].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 2);
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buffer.mPlanes[2].mWidth = (width + 1) / 2;
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buffer.mPlanes[2].mHeight = (height + 1) / 2;
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buffer.mPlanes[2].mOffset = 0;
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buffer.mPlanes[2].mSkip = 0;
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gfx::IntRect visible = gfx::IntRect(0, 0, mPictureWidth, mPictureHeight);
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// Copy the image data into our own format.
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data = VideoData::CreateAndCopyData(
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info, mImageContainer, aFrameRef.byte_offset,
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aFrameRef.composition_timestamp, aFrameRef.duration, buffer,
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aFrameRef.is_sync_point, aFrameRef.decode_timestamp, visible);
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// Unlock the returned image data.
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CVPixelBufferUnlockBaseAddress(aImage, kCVPixelBufferLock_ReadOnly);
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} else {
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#ifndef MOZ_WIDGET_UIKIT
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IOSurfacePtr surface = MacIOSurfaceLib::CVPixelBufferGetIOSurface(aImage);
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MOZ_ASSERT(surface, "Decoder didn't return an IOSurface backed buffer");
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RefPtr<MacIOSurface> macSurface = new MacIOSurface(surface);
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RefPtr<layers::Image> image = new layers::MacIOSurfaceImage(macSurface);
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data = VideoData::CreateFromImage(
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info.mDisplay, aFrameRef.byte_offset, aFrameRef.composition_timestamp,
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aFrameRef.duration, image.forget(), aFrameRef.is_sync_point,
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aFrameRef.decode_timestamp);
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#else
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MOZ_ASSERT_UNREACHABLE("No MacIOSurface on iOS");
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#endif
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}
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if (!data) {
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NS_ERROR("Couldn't create VideoData for frame");
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MonitorAutoLock mon(mMonitor);
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mPromise.Reject(MediaResult(NS_ERROR_OUT_OF_MEMORY, __func__), __func__);
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return;
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}
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// Frames come out in DTS order but we need to output them
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// in composition order.
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MonitorAutoLock mon(mMonitor);
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mReorderQueue.Push(data);
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DecodedData results;
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while (mReorderQueue.Length() > mMaxRefFrames) {
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results.AppendElement(mReorderQueue.Pop());
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}
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mPromise.Resolve(std::move(results), __func__);
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LOG("%llu decoded frames queued",
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static_cast<unsigned long long>(mReorderQueue.Length()));
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}
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nsresult AppleVTDecoder::WaitForAsynchronousFrames() {
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OSStatus rv = VTDecompressionSessionWaitForAsynchronousFrames(mSession);
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if (rv != noErr) {
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NS_ERROR("AppleVTDecoder: Error waiting for asynchronous frames");
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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MediaResult AppleVTDecoder::InitializeSession() {
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OSStatus rv;
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AutoCFRelease<CFDictionaryRef> extensions = CreateDecoderExtensions();
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rv = CMVideoFormatDescriptionCreate(kCFAllocatorDefault,
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kCMVideoCodecType_H264, mPictureWidth,
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mPictureHeight, extensions, &mFormat);
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if (rv != noErr) {
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return MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
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RESULT_DETAIL("Couldn't create format description!"));
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}
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// Contruct video decoder selection spec.
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AutoCFRelease<CFDictionaryRef> spec = CreateDecoderSpecification();
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// Contruct output configuration.
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AutoCFRelease<CFDictionaryRef> outputConfiguration =
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CreateOutputConfiguration();
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VTDecompressionOutputCallbackRecord cb = {PlatformCallback, this};
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rv =
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VTDecompressionSessionCreate(kCFAllocatorDefault, mFormat,
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spec, // Video decoder selection.
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outputConfiguration, // Output video format.
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&cb, &mSession);
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if (rv != noErr) {
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return MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
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RESULT_DETAIL("Couldn't create decompression session!"));
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}
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CFBooleanRef isUsingHW = nullptr;
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rv = VTSessionCopyProperty(
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mSession,
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kVTDecompressionPropertyKey_UsingHardwareAcceleratedVideoDecoder,
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kCFAllocatorDefault, &isUsingHW);
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if (rv != noErr) {
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LOG("AppleVTDecoder: system doesn't support hardware acceleration");
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}
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mIsHardwareAccelerated = rv == noErr && isUsingHW == kCFBooleanTrue;
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LOG("AppleVTDecoder: %s hardware accelerated decoding",
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mIsHardwareAccelerated ? "using" : "not using");
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return NS_OK;
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}
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CFDictionaryRef AppleVTDecoder::CreateDecoderExtensions() {
|
|
AutoCFRelease<CFDataRef> avc_data = CFDataCreate(
|
|
kCFAllocatorDefault, mExtraData->Elements(), mExtraData->Length());
|
|
|
|
const void* atomsKey[] = {CFSTR("avcC")};
|
|
const void* atomsValue[] = {avc_data};
|
|
static_assert(ArrayLength(atomsKey) == ArrayLength(atomsValue),
|
|
"Non matching keys/values array size");
|
|
|
|
AutoCFRelease<CFDictionaryRef> atoms = CFDictionaryCreate(
|
|
kCFAllocatorDefault, atomsKey, atomsValue, ArrayLength(atomsKey),
|
|
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
|
|
|
|
const void* extensionKeys[] = {
|
|
kCVImageBufferChromaLocationBottomFieldKey,
|
|
kCVImageBufferChromaLocationTopFieldKey,
|
|
kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms};
|
|
|
|
const void* extensionValues[] = {kCVImageBufferChromaLocation_Left,
|
|
kCVImageBufferChromaLocation_Left, atoms};
|
|
static_assert(ArrayLength(extensionKeys) == ArrayLength(extensionValues),
|
|
"Non matching keys/values array size");
|
|
|
|
return CFDictionaryCreate(kCFAllocatorDefault, extensionKeys, extensionValues,
|
|
ArrayLength(extensionKeys),
|
|
&kCFTypeDictionaryKeyCallBacks,
|
|
&kCFTypeDictionaryValueCallBacks);
|
|
}
|
|
|
|
CFDictionaryRef AppleVTDecoder::CreateDecoderSpecification() {
|
|
const void* specKeys[] = {
|
|
kVTVideoDecoderSpecification_EnableHardwareAcceleratedVideoDecoder};
|
|
const void* specValues[1];
|
|
if (AppleDecoderModule::sCanUseHardwareVideoDecoder) {
|
|
specValues[0] = kCFBooleanTrue;
|
|
} else {
|
|
// This GPU is blacklisted for hardware decoding.
|
|
specValues[0] = kCFBooleanFalse;
|
|
}
|
|
static_assert(ArrayLength(specKeys) == ArrayLength(specValues),
|
|
"Non matching keys/values array size");
|
|
|
|
return CFDictionaryCreate(
|
|
kCFAllocatorDefault, specKeys, specValues, ArrayLength(specKeys),
|
|
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
|
|
}
|
|
|
|
CFDictionaryRef AppleVTDecoder::CreateOutputConfiguration() {
|
|
if (mUseSoftwareImages) {
|
|
// Output format type:
|
|
SInt32 PixelFormatTypeValue = kCVPixelFormatType_420YpCbCr8Planar;
|
|
AutoCFRelease<CFNumberRef> PixelFormatTypeNumber = CFNumberCreate(
|
|
kCFAllocatorDefault, kCFNumberSInt32Type, &PixelFormatTypeValue);
|
|
const void* outputKeys[] = {kCVPixelBufferPixelFormatTypeKey};
|
|
const void* outputValues[] = {PixelFormatTypeNumber};
|
|
static_assert(ArrayLength(outputKeys) == ArrayLength(outputValues),
|
|
"Non matching keys/values array size");
|
|
|
|
return CFDictionaryCreate(
|
|
kCFAllocatorDefault, outputKeys, outputValues, ArrayLength(outputKeys),
|
|
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
|
|
}
|
|
|
|
#ifndef MOZ_WIDGET_UIKIT
|
|
// Output format type:
|
|
SInt32 PixelFormatTypeValue = kCVPixelFormatType_422YpCbCr8;
|
|
AutoCFRelease<CFNumberRef> PixelFormatTypeNumber = CFNumberCreate(
|
|
kCFAllocatorDefault, kCFNumberSInt32Type, &PixelFormatTypeValue);
|
|
// Construct IOSurface Properties
|
|
const void* IOSurfaceKeys[] = {MacIOSurfaceLib::kPropIsGlobal};
|
|
const void* IOSurfaceValues[] = {kCFBooleanTrue};
|
|
static_assert(ArrayLength(IOSurfaceKeys) == ArrayLength(IOSurfaceValues),
|
|
"Non matching keys/values array size");
|
|
|
|
// Contruct output configuration.
|
|
AutoCFRelease<CFDictionaryRef> IOSurfaceProperties = CFDictionaryCreate(
|
|
kCFAllocatorDefault, IOSurfaceKeys, IOSurfaceValues,
|
|
ArrayLength(IOSurfaceKeys), &kCFTypeDictionaryKeyCallBacks,
|
|
&kCFTypeDictionaryValueCallBacks);
|
|
|
|
const void* outputKeys[] = {kCVPixelBufferIOSurfacePropertiesKey,
|
|
kCVPixelBufferPixelFormatTypeKey,
|
|
kCVPixelBufferOpenGLCompatibilityKey};
|
|
const void* outputValues[] = {IOSurfaceProperties, PixelFormatTypeNumber,
|
|
kCFBooleanTrue};
|
|
static_assert(ArrayLength(outputKeys) == ArrayLength(outputValues),
|
|
"Non matching keys/values array size");
|
|
|
|
return CFDictionaryCreate(
|
|
kCFAllocatorDefault, outputKeys, outputValues, ArrayLength(outputKeys),
|
|
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
|
|
#else
|
|
MOZ_ASSERT_UNREACHABLE("No MacIOSurface on iOS");
|
|
#endif
|
|
}
|
|
|
|
} // namespace mozilla
|
|
|
|
#undef LOG
|
|
#undef LOGEX
|