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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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87
dom/media/encoder/fmp4_muxer/AVCBox.cpp Normal file
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
/* 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 <climits>
#include "ISOControl.h"
#include "ISOMediaBoxes.h"
#include "AVCBox.h"
namespace mozilla {
nsresult
AVCSampleEntry::Generate(uint32_t* aBoxSize)
{
uint32_t avc_box_size = 0;
nsresult rv;
rv = avcConfigBox->Generate(&avc_box_size);
NS_ENSURE_SUCCESS(rv, rv);
size += avc_box_size;
*aBoxSize = size;
return NS_OK;
}
nsresult
AVCSampleEntry::Write()
{
BoxSizeChecker checker(mControl, size);
nsresult rv;
rv = VisualSampleEntry::Write();
NS_ENSURE_SUCCESS(rv, rv);
rv = avcConfigBox->Write();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
AVCSampleEntry::AVCSampleEntry(ISOControl* aControl)
: VisualSampleEntry(NS_LITERAL_CSTRING("avc1"), aControl)
{
avcConfigBox = new AVCConfigurationBox(aControl);
MOZ_COUNT_CTOR(AVCSampleEntry);
}
AVCSampleEntry::~AVCSampleEntry()
{
MOZ_COUNT_DTOR(AVCSampleEntry);
}
AVCConfigurationBox::AVCConfigurationBox(ISOControl* aControl)
: Box(NS_LITERAL_CSTRING("avcC"), aControl)
{
MOZ_COUNT_CTOR(AVCConfigurationBox);
}
AVCConfigurationBox::~AVCConfigurationBox()
{
MOZ_COUNT_DTOR(AVCConfigurationBox);
}
nsresult
AVCConfigurationBox::Generate(uint32_t* aBoxSize)
{
nsresult rv;
FragmentBuffer* frag = mControl->GetFragment(Video_Track);
rv = frag->GetCSD(avcConfig);
NS_ENSURE_SUCCESS(rv, rv);
size += avcConfig.Length();
*aBoxSize = size;
return NS_OK;
}
nsresult
AVCConfigurationBox::Write()
{
BoxSizeChecker checker(mControl, size);
Box::Write();
mControl->Write(avcConfig.Elements(), avcConfig.Length());
return NS_OK;
}
}