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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 "MP4ESDS.h"
namespace mozilla {
nsresult
MP4AudioSampleEntry::Generate(uint32_t* aBoxSize)
{
uint32_t box_size;
nsresult rv = es->Generate(&box_size);
NS_ENSURE_SUCCESS(rv, rv);
size += box_size;
*aBoxSize = size;
return NS_OK;
}
nsresult
MP4AudioSampleEntry::Write()
{
BoxSizeChecker checker(mControl, size);
nsresult rv;
rv = AudioSampleEntry::Write();
NS_ENSURE_SUCCESS(rv, rv);
rv = es->Write();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
MP4AudioSampleEntry::MP4AudioSampleEntry(ISOControl* aControl)
: AudioSampleEntry(NS_LITERAL_CSTRING("mp4a"), aControl)
{
es = new ESDBox(aControl);
MOZ_COUNT_CTOR(MP4AudioSampleEntry);
}
MP4AudioSampleEntry::~MP4AudioSampleEntry()
{
MOZ_COUNT_DTOR(MP4AudioSampleEntry);
}
nsresult
ESDBox::Generate(uint32_t* aBoxSize)
{
uint32_t box_size;
es_descriptor->Generate(&box_size);
size += box_size;
*aBoxSize = size;
return NS_OK;
}
nsresult
ESDBox::Write()
{
WRITE_FULLBOX(mControl, size)
es_descriptor->Write();
return NS_OK;
}
ESDBox::ESDBox(ISOControl* aControl)
: FullBox(NS_LITERAL_CSTRING("esds"), 0, 0, aControl)
{
es_descriptor = new ES_Descriptor(aControl);
MOZ_COUNT_CTOR(ESDBox);
}
ESDBox::~ESDBox()
{
MOZ_COUNT_DTOR(ESDBox);
}
nsresult
ES_Descriptor::Find(const nsACString& aType,
nsTArray<RefPtr<MuxerOperation>>& aOperations)
{
// ES_Descriptor is not a real ISOMediaBox, so we return nothing here.
return NS_OK;
}
nsresult
ES_Descriptor::Write()
{
mControl->Write(tag);
mControl->Write(length);
mControl->Write(ES_ID);
mControl->WriteBits(streamDependenceFlag.to_ulong(), streamDependenceFlag.size());
mControl->WriteBits(URL_Flag.to_ulong(), URL_Flag.size());
mControl->WriteBits(reserved.to_ulong(), reserved.size());
mControl->WriteBits(streamPriority.to_ulong(), streamPriority.size());
mControl->Write(DecodeSpecificInfo.Elements(), DecodeSpecificInfo.Length());
return NS_OK;
}
nsresult
ES_Descriptor::Generate(uint32_t* aBoxSize)
{
nsresult rv;
// 14496-1 '8.3.4 DecoderConfigDescriptor'
// 14496-1 '10.2.3 SL Packet Header Configuration'
FragmentBuffer* frag = mControl->GetFragment(Audio_Track);
rv = frag->GetCSD(DecodeSpecificInfo);
NS_ENSURE_SUCCESS(rv, rv);
length = sizeof(ES_ID) + 1;
length += DecodeSpecificInfo.Length();
*aBoxSize = sizeof(tag) + sizeof(length) + length;
return NS_OK;
}
ES_Descriptor::ES_Descriptor(ISOControl* aControl)
: tag(ESDescrTag)
, length(0)
, ES_ID(0)
, streamDependenceFlag(0)
, URL_Flag(0)
, reserved(0)
, streamPriority(0)
, mControl(aControl)
{
MOZ_COUNT_CTOR(ES_Descriptor);
}
ES_Descriptor::~ES_Descriptor()
{
MOZ_COUNT_DTOR(ES_Descriptor);
}
}
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