зеркало из https://github.com/mozilla/gecko-dev.git
85 строки
1.8 KiB
C++
85 строки
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ISOControl.h"
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#include "ISOMediaBoxes.h"
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#include "EVRCBox.h"
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#include "ISOTrackMetadata.h"
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namespace mozilla {
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nsresult
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EVRCSampleEntry::Generate(uint32_t* aBoxSize)
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{
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uint32_t box_size;
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nsresult rv = evrc_special_box->Generate(&box_size);
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NS_ENSURE_SUCCESS(rv, rv);
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size += box_size;
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*aBoxSize = size;
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return NS_OK;
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}
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nsresult
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EVRCSampleEntry::Write()
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{
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BoxSizeChecker checker(mControl, size);
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nsresult rv;
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rv = AudioSampleEntry::Write();
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NS_ENSURE_SUCCESS(rv, rv);
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rv = evrc_special_box->Write();
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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}
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EVRCSampleEntry::EVRCSampleEntry(ISOControl* aControl)
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: AudioSampleEntry(NS_LITERAL_CSTRING("sevc"), aControl)
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{
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evrc_special_box = new EVRCSpecificBox(aControl);
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MOZ_COUNT_CTOR(EVRCSampleEntry);
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}
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EVRCSampleEntry::~EVRCSampleEntry()
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{
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MOZ_COUNT_DTOR(EVRCSampleEntry);
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}
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nsresult
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EVRCSpecificBox::Generate(uint32_t* aBoxSize)
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{
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nsresult rv;
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FragmentBuffer* frag = mControl->GetFragment(Audio_Track);
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rv = frag->GetCSD(evrcDecSpecInfo);
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NS_ENSURE_SUCCESS(rv, rv);
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size += evrcDecSpecInfo.Length();
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*aBoxSize = size;
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return NS_OK;
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}
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nsresult
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EVRCSpecificBox::Write()
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{
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BoxSizeChecker checker(mControl, size);
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Box::Write();
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mControl->Write(evrcDecSpecInfo.Elements(), evrcDecSpecInfo.Length());
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return NS_OK;
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}
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EVRCSpecificBox::EVRCSpecificBox(ISOControl* aControl)
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: Box(NS_LITERAL_CSTRING("devc"), aControl)
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{
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MOZ_COUNT_CTOR(EVRCSpecificBox);
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}
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EVRCSpecificBox::~EVRCSpecificBox()
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{
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MOZ_COUNT_DTOR(EVRCSpecificBox);
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}
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}
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