tenfourfox/dom/media/encoder/fmp4_muxer/EVRCBox.cpp
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

85 lines
1.8 KiB
C++

/* -*- 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 "ISOControl.h"
#include "ISOMediaBoxes.h"
#include "EVRCBox.h"
#include "ISOTrackMetadata.h"
namespace mozilla {
nsresult
EVRCSampleEntry::Generate(uint32_t* aBoxSize)
{
uint32_t box_size;
nsresult rv = evrc_special_box->Generate(&box_size);
NS_ENSURE_SUCCESS(rv, rv);
size += box_size;
*aBoxSize = size;
return NS_OK;
}
nsresult
EVRCSampleEntry::Write()
{
BoxSizeChecker checker(mControl, size);
nsresult rv;
rv = AudioSampleEntry::Write();
NS_ENSURE_SUCCESS(rv, rv);
rv = evrc_special_box->Write();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
EVRCSampleEntry::EVRCSampleEntry(ISOControl* aControl)
: AudioSampleEntry(NS_LITERAL_CSTRING("sevc"), aControl)
{
evrc_special_box = new EVRCSpecificBox(aControl);
MOZ_COUNT_CTOR(EVRCSampleEntry);
}
EVRCSampleEntry::~EVRCSampleEntry()
{
MOZ_COUNT_DTOR(EVRCSampleEntry);
}
nsresult
EVRCSpecificBox::Generate(uint32_t* aBoxSize)
{
nsresult rv;
FragmentBuffer* frag = mControl->GetFragment(Audio_Track);
rv = frag->GetCSD(evrcDecSpecInfo);
NS_ENSURE_SUCCESS(rv, rv);
size += evrcDecSpecInfo.Length();
*aBoxSize = size;
return NS_OK;
}
nsresult
EVRCSpecificBox::Write()
{
BoxSizeChecker checker(mControl, size);
Box::Write();
mControl->Write(evrcDecSpecInfo.Elements(), evrcDecSpecInfo.Length());
return NS_OK;
}
EVRCSpecificBox::EVRCSpecificBox(ISOControl* aControl)
: Box(NS_LITERAL_CSTRING("devc"), aControl)
{
MOZ_COUNT_CTOR(EVRCSpecificBox);
}
EVRCSpecificBox::~EVRCSpecificBox()
{
MOZ_COUNT_DTOR(EVRCSpecificBox);
}
}