The Tor Browser: content/media/encoder/fmp4_muxer/AVCBox.cpp@44a2da4a2ab2

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     4  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include <climits>

     7 #include "ISOControl.h"

     8 #include "ISOMediaBoxes.h"

     9 #include "AVCBox.h"

    11 namespace mozilla {

    13 nsresult

    14 AVCSampleEntry::Generate(uint32_t* aBoxSize)

    15 {

    16   uint32_t avc_box_size = 0;

    17   nsresult rv;

    18   rv = avcConfigBox->Generate(&avc_box_size);

    19   NS_ENSURE_SUCCESS(rv, rv);

    21   size += avc_box_size;

    23   *aBoxSize = size;

    25   return NS_OK;

    26 }

    28 nsresult

    29 AVCSampleEntry::Write()

    30 {

    31   BoxSizeChecker checker(mControl, size);

    32   nsresult rv;

    33   rv = VisualSampleEntry::Write();

    34   NS_ENSURE_SUCCESS(rv, rv);

    35   rv = avcConfigBox->Write();

    36   NS_ENSURE_SUCCESS(rv, rv);

    38   return NS_OK;

    39 }

    41 AVCSampleEntry::AVCSampleEntry(ISOControl* aControl)

    42   : VisualSampleEntry(NS_LITERAL_CSTRING("avc1"), aControl)

    43 {

    44   avcConfigBox = new AVCConfigurationBox(aControl);

    45   MOZ_COUNT_CTOR(AVCSampleEntry);

    46 }

    48 AVCSampleEntry::~AVCSampleEntry()

    49 {

    50   MOZ_COUNT_DTOR(AVCSampleEntry);

    51 }

    53 AVCConfigurationBox::AVCConfigurationBox(ISOControl* aControl)

    54   : Box(NS_LITERAL_CSTRING("avcC"), aControl)

    55 {

    56   MOZ_COUNT_CTOR(AVCConfigurationBox);

    57 }

    59 AVCConfigurationBox::~AVCConfigurationBox()

    60 {

    61   MOZ_COUNT_DTOR(AVCConfigurationBox);

    62 }

    64 nsresult

    65 AVCConfigurationBox::Generate(uint32_t* aBoxSize)

    66 {

    67   nsresult rv;

    68   FragmentBuffer* frag = mControl->GetFragment(Video_Track);

    69   rv = frag->GetCSD(avcConfig);

    70   NS_ENSURE_SUCCESS(rv, rv);

    71   size += avcConfig.Length();

    72   *aBoxSize = size;

    73   return NS_OK;

    74 }

    76 nsresult

    77 AVCConfigurationBox::Write()

    78 {

    79   BoxSizeChecker checker(mControl, size);

    80   Box::Write();

    82   mControl->Write(avcConfig.Elements(), avcConfig.Length());

    84   return NS_OK;

    85 }

    87 }

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