From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../platforms/agnostic/DummyMediaDataDecoder.cpp | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 dom/media/platforms/agnostic/DummyMediaDataDecoder.cpp (limited to 'dom/media/platforms/agnostic/DummyMediaDataDecoder.cpp') diff --git a/dom/media/platforms/agnostic/DummyMediaDataDecoder.cpp b/dom/media/platforms/agnostic/DummyMediaDataDecoder.cpp new file mode 100644 index 0000000000..172c7f3dd9 --- /dev/null +++ b/dom/media/platforms/agnostic/DummyMediaDataDecoder.cpp @@ -0,0 +1,80 @@ +/* -*- 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 "DummyMediaDataDecoder.h" +#include "AnnexB.h" +#include "H264.h" +#include "MP4Decoder.h" + +namespace mozilla { + +DummyDataCreator::~DummyDataCreator() = default; + +DummyMediaDataDecoder::DummyMediaDataDecoder( + UniquePtr&& aCreator, const nsACString& aDescription, + const CreateDecoderParams& aParams) + : mCreator(std::move(aCreator)), + mIsH264(MP4Decoder::IsH264(aParams.mConfig.mMimeType)), + mMaxRefFrames(mIsH264 ? H264::HasSPS(aParams.VideoConfig().mExtraData) + ? H264::ComputeMaxRefFrames( + aParams.VideoConfig().mExtraData) + : 16 + : 0), + mType(aParams.mConfig.GetType()), + mDescription(aDescription) {} + +RefPtr DummyMediaDataDecoder::Init() { + return InitPromise::CreateAndResolve(mType, __func__); +} + +RefPtr DummyMediaDataDecoder::Shutdown() { + return ShutdownPromise::CreateAndResolve(true, __func__); +} + +RefPtr DummyMediaDataDecoder::Decode( + MediaRawData* aSample) { + RefPtr data = mCreator->Create(aSample); + + if (!data) { + return DecodePromise::CreateAndReject(NS_ERROR_OUT_OF_MEMORY, __func__); + } + + // Frames come out in DTS order but we need to output them in PTS order. + mReorderQueue.Push(std::move(data)); + + if (mReorderQueue.Length() > mMaxRefFrames) { + return DecodePromise::CreateAndResolve(DecodedData{mReorderQueue.Pop()}, + __func__); + } + return DecodePromise::CreateAndResolve(DecodedData(), __func__); +} + +RefPtr DummyMediaDataDecoder::Drain() { + DecodedData samples; + while (!mReorderQueue.IsEmpty()) { + samples.AppendElement(mReorderQueue.Pop()); + } + return DecodePromise::CreateAndResolve(std::move(samples), __func__); +} + +RefPtr DummyMediaDataDecoder::Flush() { + mReorderQueue.Clear(); + return FlushPromise::CreateAndResolve(true, __func__); +} + +nsCString DummyMediaDataDecoder::GetDescriptionName() const { + return "blank media data decoder"_ns; +} + +nsCString DummyMediaDataDecoder::GetCodecName() const { return "unknown"_ns; } + +MediaDataDecoder::ConversionRequired DummyMediaDataDecoder::NeedsConversion() + const { + return mIsH264 ? ConversionRequired::kNeedAVCC + : ConversionRequired::kNeedNone; +} + +} // namespace mozilla -- cgit v1.2.3