gecko/content/media/fmp4/eme/EMEH264Decoder.cpp

364 lines
9.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "EMEH264Decoder.h"
#include "gmp-video-host.h"
#include "gmp-video-decode.h"
#include "gmp-video-frame-i420.h"
#include "gmp-video-frame-encoded.h"
#include "GMPVideoEncodedFrameImpl.h"
#include "mp4_demuxer/AnnexB.h"
#include "mozilla/CDMProxy.h"
#include "nsServiceManagerUtils.h"
#include "prsystem.h"
#include "gfx2DGlue.h"
#include "mozilla/EMELog.h"
#include "mozilla/Move.h"
namespace mozilla {
EMEH264Decoder::EMEH264Decoder(CDMProxy* aProxy,
const mp4_demuxer::VideoDecoderConfig& aConfig,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer,
MediaTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback)
: mProxy(aProxy)
, mGMP(nullptr)
, mHost(nullptr)
, mConfig(aConfig)
, mImageContainer(aImageContainer)
, mTaskQueue(aTaskQueue)
, mCallback(aCallback)
, mLastStreamOffset(0)
, mMonitor("EMEH264Decoder")
, mFlushComplete(false)
{
}
EMEH264Decoder::~EMEH264Decoder() {
}
nsresult
EMEH264Decoder::Init()
{
// Note: this runs on the decode task queue.
mMPS = do_GetService("@mozilla.org/gecko-media-plugin-service;1");
MOZ_ASSERT(mMPS);
nsresult rv = mMPS->GetThread(getter_AddRefs(mGMPThread));
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<InitTask> task(new InitTask(this));
rv = mGMPThread->Dispatch(task, NS_DISPATCH_SYNC);
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_SUCCESS(task->mResult, task->mResult);
return NS_OK;
}
nsresult
EMEH264Decoder::Input(MP4Sample* aSample)
{
MOZ_ASSERT(!IsOnGMPThread()); // Runs on the decode task queue.
nsRefPtr<nsIRunnable> task(new DeliverSample(this, aSample));
nsresult rv = mGMPThread->Dispatch(task, NS_DISPATCH_NORMAL);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult
EMEH264Decoder::Flush()
{
MOZ_ASSERT(!IsOnGMPThread()); // Runs on the decode task queue.
{
MonitorAutoLock mon(mMonitor);
mFlushComplete = false;
}
nsRefPtr<nsIRunnable> task;
task = NS_NewRunnableMethod(this, &EMEH264Decoder::GmpFlush);
nsresult rv = mGMPThread->Dispatch(task, NS_DISPATCH_NORMAL);
NS_ENSURE_SUCCESS(rv, rv);
{
MonitorAutoLock mon(mMonitor);
while (!mFlushComplete) {
mon.Wait();
}
}
return NS_OK;
}
nsresult
EMEH264Decoder::Drain()
{
MOZ_ASSERT(!IsOnGMPThread()); // Runs on the decode task queue.
nsRefPtr<nsIRunnable> task;
task = NS_NewRunnableMethod(this, &EMEH264Decoder::GmpDrain);
nsresult rv = mGMPThread->Dispatch(task, NS_DISPATCH_NORMAL);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult
EMEH264Decoder::Shutdown()
{
MOZ_ASSERT(!IsOnGMPThread()); // Runs on the decode task queue.
nsRefPtr<nsIRunnable> task;
task = NS_NewRunnableMethod(this, &EMEH264Decoder::GmpShutdown);
nsresult rv = mGMPThread->Dispatch(task, NS_DISPATCH_SYNC);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
void
EMEH264Decoder::Decoded(GMPVideoi420Frame* aDecodedFrame)
{
MOZ_ASSERT(IsOnGMPThread());
VideoData::YCbCrBuffer b;
auto height = aDecodedFrame->Height();
auto width = aDecodedFrame->Width();
// Y (Y') plane
b.mPlanes[0].mData = aDecodedFrame->Buffer(kGMPYPlane);
b.mPlanes[0].mStride = aDecodedFrame->Stride(kGMPYPlane);
b.mPlanes[0].mHeight = height;
b.mPlanes[0].mWidth = width;
b.mPlanes[0].mOffset = 0;
b.mPlanes[0].mSkip = 0;
// U plane (Cb)
b.mPlanes[1].mData = aDecodedFrame->Buffer(kGMPUPlane);
b.mPlanes[1].mStride = aDecodedFrame->Stride(kGMPUPlane);
b.mPlanes[1].mHeight = height / 2;
b.mPlanes[1].mWidth = width / 2;
b.mPlanes[1].mOffset = 0;
b.mPlanes[1].mSkip = 0;
// V plane (Cr)
b.mPlanes[2].mData = aDecodedFrame->Buffer(kGMPVPlane);
b.mPlanes[2].mStride = aDecodedFrame->Stride(kGMPVPlane);
b.mPlanes[2].mHeight = height / 2;
b.mPlanes[2].mWidth = width / 2;
b.mPlanes[2].mOffset = 0;
b.mPlanes[2].mSkip = 0;
VideoData *v = VideoData::Create(mVideoInfo,
mImageContainer,
mLastStreamOffset,
aDecodedFrame->Timestamp(),
aDecodedFrame->Duration(),
b,
false,
-1,
ToIntRect(mPictureRegion));
aDecodedFrame->Destroy();
mCallback->Output(v);
}
void
EMEH264Decoder::ReceivedDecodedReferenceFrame(const uint64_t aPictureId)
{
// Ignore.
}
void
EMEH264Decoder::ReceivedDecodedFrame(const uint64_t aPictureId)
{
// Ignore.
}
void
EMEH264Decoder::InputDataExhausted()
{
MOZ_ASSERT(IsOnGMPThread());
mCallback->InputExhausted();
}
void
EMEH264Decoder::DrainComplete()
{
MOZ_ASSERT(IsOnGMPThread());
mCallback->DrainComplete();
}
void
EMEH264Decoder::ResetComplete()
{
MOZ_ASSERT(IsOnGMPThread());
{
MonitorAutoLock mon(mMonitor);
mFlushComplete = true;
mon.NotifyAll();
}
}
void
EMEH264Decoder::Error(GMPErr aErr)
{
MOZ_ASSERT(IsOnGMPThread());
EME_LOG("EMEH264Decoder::Error");
mCallback->Error();
GmpShutdown();
}
void
EMEH264Decoder::Terminated()
{
MOZ_ASSERT(IsOnGMPThread());
NS_WARNING("H.264 GMP decoder terminated.");
GmpShutdown();
}
nsresult
EMEH264Decoder::GmpInit()
{
MOZ_ASSERT(IsOnGMPThread());
nsTArray<nsCString> tags;
tags.AppendElement(NS_LITERAL_CSTRING("h264"));
tags.AppendElement(NS_ConvertUTF16toUTF8(mProxy->KeySystem()));
nsresult rv = mMPS->GetGMPVideoDecoder(&tags,
mProxy->GetOrigin(),
&mHost,
&mGMP);
NS_ENSURE_SUCCESS(rv, rv);
MOZ_ASSERT(mHost && mGMP);
GMPVideoCodec codec;
memset(&codec, 0, sizeof(codec));
codec.mGMPApiVersion = kGMPVersion33;
codec.mCodecType = kGMPVideoCodecH264;
codec.mWidth = mConfig.display_width;
codec.mHeight = mConfig.display_height;
nsTArray<uint8_t> codecSpecific;
codecSpecific.AppendElement(0); // mPacketizationMode.
codecSpecific.AppendElements(mConfig.extra_data.begin(),
mConfig.extra_data.length());
rv = mGMP->InitDecode(codec,
codecSpecific,
this,
PR_GetNumberOfProcessors());
NS_ENSURE_SUCCESS(rv, rv);
mVideoInfo.mDisplay = nsIntSize(mConfig.display_width, mConfig.display_height);
mVideoInfo.mHasVideo = true;
mPictureRegion = nsIntRect(0, 0, mConfig.display_width, mConfig.display_height);
return NS_OK;
}
nsresult
EMEH264Decoder::GmpInput(MP4Sample* aSample)
{
MOZ_ASSERT(IsOnGMPThread());
nsAutoPtr<MP4Sample> sample(aSample);
if (!mGMP) {
mCallback->Error();
return NS_ERROR_FAILURE;
}
if (sample->crypto.valid) {
CDMCaps::AutoLock caps(mProxy->Capabilites());
MOZ_ASSERT(caps.CanDecryptAndDecodeVideo());
const auto& keyid = sample->crypto.key;
if (!caps.IsKeyUsable(keyid)) {
nsRefPtr<nsIRunnable> task(new DeliverSample(this, sample.forget()));
caps.CallWhenKeyUsable(keyid, task, mGMPThread);
return NS_OK;
}
}
mLastStreamOffset = sample->byte_offset;
GMPVideoFrame* ftmp = nullptr;
GMPErr err = mHost->CreateFrame(kGMPEncodedVideoFrame, &ftmp);
if (GMP_FAILED(err)) {
mCallback->Error();
return NS_ERROR_FAILURE;
}
UniquePtr<gmp::GMPVideoEncodedFrameImpl> frame(static_cast<gmp::GMPVideoEncodedFrameImpl*>(ftmp));
err = frame->CreateEmptyFrame(sample->size);
if (GMP_FAILED(err)) {
mCallback->Error();
return NS_ERROR_FAILURE;
}
memcpy(frame->Buffer(), sample->data, frame->Size());
frame->SetEncodedWidth(mConfig.display_width);
frame->SetEncodedHeight(mConfig.display_height);
frame->SetTimeStamp(sample->composition_timestamp);
frame->SetCompleteFrame(true);
frame->SetDuration(sample->duration);
if (sample->crypto.valid) {
frame->InitCrypto(sample->crypto);
}
frame->SetFrameType(sample->is_sync_point ? kGMPKeyFrame : kGMPDeltaFrame);
frame->SetBufferType(GMP_BufferLength32);
nsTArray<uint8_t> info; // No codec specific per-frame info to pass.
nsresult rv = mGMP->Decode(UniquePtr<GMPVideoEncodedFrame>(frame.release()), false, info, 0);
if (NS_FAILED(rv)) {
mCallback->Error();
return rv;
}
return NS_OK;
}
void
EMEH264Decoder::GmpFlush()
{
MOZ_ASSERT(IsOnGMPThread());
if (!mGMP || NS_FAILED(mGMP->Reset())) {
// Abort the flush...
MonitorAutoLock mon(mMonitor);
mFlushComplete = true;
mon.NotifyAll();
}
}
void
EMEH264Decoder::GmpDrain()
{
MOZ_ASSERT(IsOnGMPThread());
if (!mGMP || NS_FAILED(mGMP->Drain())) {
mCallback->DrainComplete();
}
}
void
EMEH264Decoder::GmpShutdown()
{
MOZ_ASSERT(IsOnGMPThread());
if (!mGMP) {
return;
}
mGMP->Close();
mGMP = nullptr;
}
} // namespace mozilla