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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the test suite of the Qt Toolkit.

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    40 ****************************************************************************/

    41 

    42 #include <QtTest/QtTest>

    43 

    44 #include <QtMultimedia/QVideoFrame>

    45 #include <QtGui/QImage>

    46 #include <QtCore/QPointer>

    47 

    48 class tst_QVideoFrame : public QObject

    49 {

    50     Q_OBJECT

    51 public:

    52     tst_QVideoFrame();

    53     ~tst_QVideoFrame();

    54 

    55 public slots:

    56     void initTestCase();

    57     void cleanupTestCase();

    58     void init();

    59     void cleanup();

    60 

    61 private slots:

    62     void create_data();

    63     void create();

    64     void createInvalid_data();

    65     void createInvalid();

    66     void createFromBuffer_data();

    67     void createFromBuffer();

    68     void createFromImage_data();

    69     void createFromImage();

    70     void createFromIncompatibleImage();

    71     void createNull();

    72     void destructor();

    73     void copy_data();

    74     void copy();

    75     void assign_data();

    76     void assign();

    77     void map_data();

    78     void map();

    79     void mapImage_data();

    80     void mapImage();

    81     void imageDetach();

    82 };

    83 

    84 Q_DECLARE_METATYPE(QImage::Format)

    85 Q_DECLARE_METATYPE(QVideoFrame)

    86 

    87 class QtTestVideoBuffer : public QObject, public QAbstractVideoBuffer

    88 {

    89     Q_OBJECT

    90 public:

    91     QtTestVideoBuffer()

    92         : QAbstractVideoBuffer(NoHandle) {}

    93     explicit QtTestVideoBuffer(QAbstractVideoBuffer::HandleType type)

    94         : QAbstractVideoBuffer(type) {}

    95 

    96     MapMode mapMode() const { return NotMapped; }

    97 

    98     uchar *map(MapMode, int *, int *) { return 0; }

    99     void unmap() {}

   100 };

   101 

   102 tst_QVideoFrame::tst_QVideoFrame()

   103 {

   104 }

   105 

   106 tst_QVideoFrame::~tst_QVideoFrame()

   107 {

   108 }

   109 

   110 void tst_QVideoFrame::initTestCase()

   111 {

   112 }

   113 

   114 void tst_QVideoFrame::cleanupTestCase()

   115 {

   116 }

   117 

   118 void tst_QVideoFrame::init()

   119 {

   120 }

   121 

   122 void tst_QVideoFrame::cleanup()

   123 {

   124 }

   125 

   126 void tst_QVideoFrame::create_data()

   127 {

   128     QTest::addColumn<QSize>("size");

   129     QTest::addColumn<QVideoFrame::PixelFormat>("pixelFormat");

   130     QTest::addColumn<int>("bytes");

   131     QTest::addColumn<int>("bytesPerLine");

   132 

   133     QTest::newRow("64x64 ARGB32")

   134             << QSize(64, 64)

   135             << QVideoFrame::Format_ARGB32

   136             << 16384

   137             << 256;

   138     QTest::newRow("32x256 YUV420P")

   139             << QSize(32, 256)

   140             << QVideoFrame::Format_YUV420P

   141             << 13288

   142             << 32;

   143 }

   144 

   145 void tst_QVideoFrame::create()

   146 {

   147     QFETCH(QSize, size);

   148     QFETCH(QVideoFrame::PixelFormat, pixelFormat);

   149     QFETCH(int, bytes);

   150     QFETCH(int, bytesPerLine);

   151 

   152     QVideoFrame frame(bytes, size, bytesPerLine, pixelFormat);

   153 

   154     QVERIFY(frame.isValid());

   155     QCOMPARE(frame.handleType(), QAbstractVideoBuffer::NoHandle);

   156     QCOMPARE(frame.pixelFormat(), pixelFormat);

   157     QCOMPARE(frame.size(), size);

   158     QCOMPARE(frame.width(), size.width());

   159     QCOMPARE(frame.height(), size.height());

   160     QCOMPARE(frame.fieldType(), QVideoFrame::ProgressiveFrame);

   161     QCOMPARE(frame.startTime(), qint64(-1));

   162     QCOMPARE(frame.endTime(), qint64(-1));

   163 }

   164 

   165 void tst_QVideoFrame::createInvalid_data()

   166 {

   167     QTest::addColumn<QSize>("size");

   168     QTest::addColumn<QVideoFrame::PixelFormat>("pixelFormat");

   169     QTest::addColumn<int>("bytes");

   170     QTest::addColumn<int>("bytesPerLine");

   171 

   172     QTest::newRow("64x64 ARGB32 0 size")

   173             << QSize(64, 64)

   174             << QVideoFrame::Format_ARGB32

   175             << 0

   176             << 45;

   177     QTest::newRow("32x256 YUV420P negative size")

   178             << QSize(32, 256)

   179             << QVideoFrame::Format_YUV420P

   180             << -13288

   181             << 32;

   182 }

   183 

   184 void tst_QVideoFrame::createInvalid()

   185 {

   186     QFETCH(QSize, size);

   187     QFETCH(QVideoFrame::PixelFormat, pixelFormat);

   188     QFETCH(int, bytes);

   189     QFETCH(int, bytesPerLine);

   190 

   191     QVideoFrame frame(bytes, size, bytesPerLine, pixelFormat);

   192 

   193     QVERIFY(!frame.isValid());

   194     QCOMPARE(frame.handleType(), QAbstractVideoBuffer::NoHandle);

   195     QCOMPARE(frame.pixelFormat(), pixelFormat);

   196     QCOMPARE(frame.size(), size);

   197     QCOMPARE(frame.width(), size.width());

   198     QCOMPARE(frame.height(), size.height());

   199     QCOMPARE(frame.fieldType(), QVideoFrame::ProgressiveFrame);

   200     QCOMPARE(frame.startTime(), qint64(-1));

   201     QCOMPARE(frame.endTime(), qint64(-1));

   202 }

   203 

   204 void tst_QVideoFrame::createFromBuffer_data()

   205 {

   206     QTest::addColumn<QAbstractVideoBuffer::HandleType>("handleType");

   207     QTest::addColumn<QSize>("size");

   208     QTest::addColumn<QVideoFrame::PixelFormat>("pixelFormat");

   209 

   210     QTest::newRow("64x64 ARGB32 no handle")

   211             << QAbstractVideoBuffer::NoHandle

   212             << QSize(64, 64)

   213             << QVideoFrame::Format_ARGB32;

   214     QTest::newRow("64x64 ARGB32 gl handle")

   215             << QAbstractVideoBuffer::GLTextureHandle

   216             << QSize(64, 64)

   217             << QVideoFrame::Format_ARGB32;

   218     QTest::newRow("64x64 ARGB32 user handle")

   219             << QAbstractVideoBuffer::UserHandle

   220             << QSize(64, 64)

   221             << QVideoFrame::Format_ARGB32;

   222 }

   223 

   224 void tst_QVideoFrame::createFromBuffer()

   225 {

   226     QFETCH(QAbstractVideoBuffer::HandleType, handleType);

   227     QFETCH(QSize, size);

   228     QFETCH(QVideoFrame::PixelFormat, pixelFormat);

   229 

   230     QVideoFrame frame(new QtTestVideoBuffer(handleType), size, pixelFormat);

   231 

   232     QVERIFY(frame.isValid());

   233     QCOMPARE(frame.handleType(), handleType);

   234     QCOMPARE(frame.pixelFormat(), pixelFormat);

   235     QCOMPARE(frame.size(), size);

   236     QCOMPARE(frame.width(), size.width());

   237     QCOMPARE(frame.height(), size.height());

   238     QCOMPARE(frame.fieldType(), QVideoFrame::ProgressiveFrame);

   239     QCOMPARE(frame.startTime(), qint64(-1));

   240     QCOMPARE(frame.endTime(), qint64(-1));

   241 }

   242 

   243 void tst_QVideoFrame::createFromImage_data()

   244 {

   245     QTest::addColumn<QSize>("size");

   246     QTest::addColumn<QImage::Format>("imageFormat");

   247     QTest::addColumn<QVideoFrame::PixelFormat>("pixelFormat");

   248 

   249     QTest::newRow("64x64 RGB32")

   250             << QSize(64, 64)

   251             << QImage::Format_RGB32

   252             << QVideoFrame::Format_RGB32;

   253     QTest::newRow("12x45 RGB16")

   254             << QSize(12, 45)

   255             << QImage::Format_RGB16

   256             << QVideoFrame::Format_RGB565;

   257     QTest::newRow("19x46 ARGB32_Premultiplied")

   258             << QSize(19, 46)

   259             << QImage::Format_ARGB32_Premultiplied

   260             << QVideoFrame::Format_ARGB32_Premultiplied;

   261 }

   262 

   263 void tst_QVideoFrame::createFromImage()

   264 {

   265     QFETCH(QSize, size);

   266     QFETCH(QImage::Format, imageFormat);

   267     QFETCH(QVideoFrame::PixelFormat, pixelFormat);

   268 

   269     const QImage image(size.width(), size.height(), imageFormat);

   270 

   271     QVideoFrame frame(image);

   272 

   273     QVERIFY(frame.isValid());

   274     QCOMPARE(frame.handleType(), QAbstractVideoBuffer::NoHandle);

   275     QCOMPARE(frame.pixelFormat(), pixelFormat);

   276     QCOMPARE(frame.size(), size);

   277     QCOMPARE(frame.width(), size.width());

   278     QCOMPARE(frame.height(), size.height());

   279     QCOMPARE(frame.fieldType(), QVideoFrame::ProgressiveFrame);

   280     QCOMPARE(frame.startTime(), qint64(-1));

   281     QCOMPARE(frame.endTime(), qint64(-1));

   282 }

   283 

   284 void tst_QVideoFrame::createFromIncompatibleImage()

   285 {

   286     const QImage image(64, 64, QImage::Format_Mono);

   287 

   288     QVideoFrame frame(image);

   289 

   290     QVERIFY(!frame.isValid());

   291     QCOMPARE(frame.handleType(), QAbstractVideoBuffer::NoHandle);

   292     QCOMPARE(frame.pixelFormat(), QVideoFrame::Format_Invalid);

   293     QCOMPARE(frame.size(), QSize(64, 64));

   294     QCOMPARE(frame.width(), 64);

   295     QCOMPARE(frame.height(), 64);

   296     QCOMPARE(frame.fieldType(), QVideoFrame::ProgressiveFrame);

   297     QCOMPARE(frame.startTime(), qint64(-1));

   298     QCOMPARE(frame.endTime(), qint64(-1));

   299 }

   300 

   301 void tst_QVideoFrame::createNull()

   302 {

   303     QVideoFrame frame;

   304 

   305     QVERIFY(!frame.isValid());

   306     QCOMPARE(frame.handleType(), QAbstractVideoBuffer::NoHandle);

   307     QCOMPARE(frame.pixelFormat(), QVideoFrame::Format_Invalid);

   308     QCOMPARE(frame.size(), QSize());

   309     QCOMPARE(frame.width(), -1);

   310     QCOMPARE(frame.height(), -1);

   311     QCOMPARE(frame.fieldType(), QVideoFrame::ProgressiveFrame);

   312     QCOMPARE(frame.startTime(), qint64(-1));

   313     QCOMPARE(frame.endTime(), qint64(-1));

   314 }

   315 

   316 void tst_QVideoFrame::destructor()

   317 {

   318     QPointer<QtTestVideoBuffer> buffer = new QtTestVideoBuffer;

   319 

   320     {

   321         QVideoFrame frame(buffer, QSize(4, 1), QVideoFrame::Format_ARGB32);

   322     }

   323 

   324     QVERIFY(buffer.isNull());

   325 }

   326 

   327 void tst_QVideoFrame::copy_data()

   328 {

   329     QTest::addColumn<QAbstractVideoBuffer::HandleType>("handleType");

   330     QTest::addColumn<QSize>("size");

   331     QTest::addColumn<QVideoFrame::PixelFormat>("pixelFormat");

   332     QTest::addColumn<QVideoFrame::FieldType>("fieldType");

   333     QTest::addColumn<qint64>("startTime");

   334     QTest::addColumn<qint64>("endTime");

   335 

   336     QTest::newRow("64x64 ARGB32")

   337             << QAbstractVideoBuffer::GLTextureHandle

   338             << QSize(64, 64)

   339             << QVideoFrame::Format_ARGB32

   340             << QVideoFrame::TopField

   341             << qint64(63641740)

   342             << qint64(63641954);

   343     QTest::newRow("32x256 YUV420P")

   344             << QAbstractVideoBuffer::UserHandle

   345             << QSize(32, 256)

   346             << QVideoFrame::Format_YUV420P

   347             << QVideoFrame::InterlacedFrame

   348             << qint64(12345)

   349             << qint64(12389);

   350 }

   351 

   352 void tst_QVideoFrame::copy()

   353 {

   354     QFETCH(QAbstractVideoBuffer::HandleType, handleType);

   355     QFETCH(QSize, size);

   356     QFETCH(QVideoFrame::PixelFormat, pixelFormat);

   357     QFETCH(QVideoFrame::FieldType, fieldType);

   358     QFETCH(qint64, startTime);

   359     QFETCH(qint64, endTime);

   360 

   361     QPointer<QtTestVideoBuffer> buffer = new QtTestVideoBuffer(handleType);

   362 

   363     {

   364         QVideoFrame frame(buffer, size, pixelFormat);

   365         frame.setFieldType(QVideoFrame::FieldType(fieldType));

   366         frame.setStartTime(startTime);

   367         frame.setEndTime(endTime);

   368 

   369         QVERIFY(frame.isValid());

   370         QCOMPARE(frame.handleType(), handleType);

   371         QCOMPARE(frame.pixelFormat(), pixelFormat);

   372         QCOMPARE(frame.size(), size);

   373         QCOMPARE(frame.width(), size.width());

   374         QCOMPARE(frame.height(), size.height());

   375         QCOMPARE(frame.fieldType(), fieldType);

   376         QCOMPARE(frame.startTime(), startTime);

   377         QCOMPARE(frame.endTime(), endTime);

   378 

   379         {

   380             QVideoFrame otherFrame(frame);

   381 

   382             QVERIFY(!buffer.isNull());

   383 

   384             QVERIFY(otherFrame.isValid());

   385             QCOMPARE(otherFrame.handleType(), handleType);

   386             QCOMPARE(otherFrame.pixelFormat(), pixelFormat);

   387             QCOMPARE(otherFrame.size(), size);

   388             QCOMPARE(otherFrame.width(), size.width());

   389             QCOMPARE(otherFrame.height(), size.height());

   390             QCOMPARE(otherFrame.fieldType(), fieldType);

   391             QCOMPARE(otherFrame.startTime(), startTime);

   392             QCOMPARE(otherFrame.endTime(), endTime);

   393 

   394             otherFrame.setEndTime(-1);

   395 

   396             QVERIFY(!buffer.isNull());

   397 

   398             QVERIFY(otherFrame.isValid());    

   399             QCOMPARE(otherFrame.handleType(), handleType);

   400             QCOMPARE(otherFrame.pixelFormat(), pixelFormat);

   401             QCOMPARE(otherFrame.size(), size);

   402             QCOMPARE(otherFrame.width(), size.width());

   403             QCOMPARE(otherFrame.height(), size.height());

   404             QCOMPARE(otherFrame.fieldType(), fieldType);

   405             QCOMPARE(otherFrame.startTime(), startTime);

   406             QCOMPARE(otherFrame.endTime(), qint64(-1));

   407         }

   408 

   409         QVERIFY(!buffer.isNull());

   410 

   411         QVERIFY(frame.isValid());

   412         QCOMPARE(frame.handleType(), handleType);

   413         QCOMPARE(frame.pixelFormat(), pixelFormat);

   414         QCOMPARE(frame.size(), size);

   415         QCOMPARE(frame.width(), size.width());

   416         QCOMPARE(frame.height(), size.height());

   417         QCOMPARE(frame.fieldType(), fieldType);

   418         QCOMPARE(frame.startTime(), startTime);

   419         QCOMPARE(frame.endTime(), qint64(-1));  // Explicitly shared.

   420     }

   421 

   422     QVERIFY(buffer.isNull());

   423 }

   424 

   425 void tst_QVideoFrame::assign_data()

   426 {

   427     QTest::addColumn<QAbstractVideoBuffer::HandleType>("handleType");

   428     QTest::addColumn<QSize>("size");

   429     QTest::addColumn<QVideoFrame::PixelFormat>("pixelFormat");

   430     QTest::addColumn<QVideoFrame::FieldType>("fieldType");

   431     QTest::addColumn<qint64>("startTime");

   432     QTest::addColumn<qint64>("endTime");

   433 

   434     QTest::newRow("64x64 ARGB32")

   435             << QAbstractVideoBuffer::GLTextureHandle

   436             << QSize(64, 64)

   437             << QVideoFrame::Format_ARGB32

   438             << QVideoFrame::TopField

   439             << qint64(63641740)

   440             << qint64(63641954);

   441     QTest::newRow("32x256 YUV420P")

   442             << QAbstractVideoBuffer::UserHandle

   443             << QSize(32, 256)

   444             << QVideoFrame::Format_YUV420P

   445             << QVideoFrame::InterlacedFrame

   446             << qint64(12345)

   447             << qint64(12389);

   448 }

   449 

   450 void tst_QVideoFrame::assign()

   451 {

   452     QFETCH(QAbstractVideoBuffer::HandleType, handleType);

   453     QFETCH(QSize, size);

   454     QFETCH(QVideoFrame::PixelFormat, pixelFormat);

   455     QFETCH(QVideoFrame::FieldType, fieldType);

   456     QFETCH(qint64, startTime);

   457     QFETCH(qint64, endTime);

   458 

   459     QPointer<QtTestVideoBuffer> buffer = new QtTestVideoBuffer(handleType);

   460 

   461     QVideoFrame frame;

   462     {

   463         QVideoFrame otherFrame(buffer, size, pixelFormat);

   464         otherFrame.setFieldType(fieldType);

   465         otherFrame.setStartTime(startTime);

   466         otherFrame.setEndTime(endTime);

   467 

   468         frame = otherFrame;

   469 

   470         QVERIFY(!buffer.isNull());

   471 

   472         QVERIFY(otherFrame.isValid());

   473         QCOMPARE(otherFrame.handleType(), handleType);

   474         QCOMPARE(otherFrame.pixelFormat(), pixelFormat);

   475         QCOMPARE(otherFrame.size(), size);

   476         QCOMPARE(otherFrame.width(), size.width());

   477         QCOMPARE(otherFrame.height(), size.height());

   478         QCOMPARE(otherFrame.fieldType(), fieldType);

   479         QCOMPARE(otherFrame.startTime(), startTime);

   480         QCOMPARE(otherFrame.endTime(), endTime);

   481 

   482         otherFrame.setStartTime(-1);

   483 

   484         QVERIFY(!buffer.isNull());

   485 

   486         QVERIFY(otherFrame.isValid());

   487         QCOMPARE(otherFrame.handleType(), handleType);

   488         QCOMPARE(otherFrame.pixelFormat(), pixelFormat);

   489         QCOMPARE(otherFrame.size(), size);

   490         QCOMPARE(otherFrame.width(), size.width());

   491         QCOMPARE(otherFrame.height(), size.height());

   492         QCOMPARE(otherFrame.fieldType(), fieldType);

   493         QCOMPARE(otherFrame.startTime(), qint64(-1));

   494         QCOMPARE(otherFrame.endTime(), endTime);

   495     }

   496 

   497     QVERIFY(!buffer.isNull());

   498 

   499     QVERIFY(frame.isValid());

   500     QCOMPARE(frame.handleType(), handleType);

   501     QCOMPARE(frame.pixelFormat(), pixelFormat);

   502     QCOMPARE(frame.size(), size);

   503     QCOMPARE(frame.width(), size.width());

   504     QCOMPARE(frame.height(), size.height());

   505     QCOMPARE(frame.fieldType(), fieldType);

   506     QCOMPARE(frame.startTime(), qint64(-1));

   507     QCOMPARE(frame.endTime(), endTime);

   508 

   509     frame = QVideoFrame();

   510 

   511     QVERIFY(buffer.isNull());

   512 

   513     QVERIFY(!frame.isValid());

   514     QCOMPARE(frame.handleType(), QAbstractVideoBuffer::NoHandle);

   515     QCOMPARE(frame.pixelFormat(), QVideoFrame::Format_Invalid);

   516     QCOMPARE(frame.size(), QSize());

   517     QCOMPARE(frame.width(), -1);

   518     QCOMPARE(frame.height(), -1);

   519     QCOMPARE(frame.fieldType(), QVideoFrame::ProgressiveFrame);

   520     QCOMPARE(frame.startTime(), qint64(-1));

   521     QCOMPARE(frame.endTime(), qint64(-1));

   522 }

   523 

   524 void tst_QVideoFrame::map_data()

   525 {

   526     QTest::addColumn<QSize>("size");

   527     QTest::addColumn<int>("numBytes");

   528     QTest::addColumn<int>("bytesPerLine");

   529     QTest::addColumn<QVideoFrame::PixelFormat>("pixelFormat");

   530     QTest::addColumn<QAbstractVideoBuffer::MapMode>("mode");

   531 

   532     QTest::newRow("read-only")

   533             << QSize(64, 64)

   534             << 16384

   535             << 256

   536             << QVideoFrame::Format_ARGB32

   537             << QAbstractVideoBuffer::ReadOnly;

   538 

   539     QTest::newRow("write-only")

   540             << QSize(64, 64)

   541             << 16384

   542             << 256

   543             << QVideoFrame::Format_ARGB32

   544             << QAbstractVideoBuffer::WriteOnly;

   545 

   546     QTest::newRow("read-write")

   547             << QSize(64, 64)

   548             << 16384

   549             << 256

   550             << QVideoFrame::Format_ARGB32

   551             << QAbstractVideoBuffer::ReadWrite;

   552 }

   553 

   554 void tst_QVideoFrame::map()

   555 {

   556     QFETCH(QSize, size);

   557     QFETCH(int, numBytes);

   558     QFETCH(int, bytesPerLine);

   559     QFETCH(QVideoFrame::PixelFormat, pixelFormat);

   560     QFETCH(QAbstractVideoBuffer::MapMode, mode);

   561 

   562     QVideoFrame frame(numBytes, size, bytesPerLine, pixelFormat);

   563 

   564     QVERIFY(!frame.bits());

   565     QCOMPARE(frame.numBytes(), 0);

   566     QCOMPARE(frame.bytesPerLine(), 0);

   567     QCOMPARE(frame.mapMode(), QAbstractVideoBuffer::NotMapped);

   568 

   569     QVERIFY(frame.map(mode));

   570 

   571     QVERIFY(frame.bits());

   572     QCOMPARE(frame.numBytes(), numBytes);

   573     QCOMPARE(frame.bytesPerLine(), bytesPerLine);

   574     QCOMPARE(frame.mapMode(), mode);

   575 

   576     frame.unmap();

   577 

   578     QVERIFY(!frame.bits());

   579     QCOMPARE(frame.numBytes(), 0);

   580     QCOMPARE(frame.bytesPerLine(), 0);

   581     QCOMPARE(frame.mapMode(), QAbstractVideoBuffer::NotMapped);

   582 }

   583 

   584 void tst_QVideoFrame::mapImage_data()

   585 {

   586     QTest::addColumn<QSize>("size");

   587     QTest::addColumn<QImage::Format>("format");

   588     QTest::addColumn<QAbstractVideoBuffer::MapMode>("mode");

   589 

   590     QTest::newRow("read-only")

   591             << QSize(64, 64)

   592             << QImage::Format_ARGB32

   593             << QAbstractVideoBuffer::ReadOnly;

   594 

   595     QTest::newRow("write-only")

   596             << QSize(15, 106)

   597             << QImage::Format_RGB32

   598             << QAbstractVideoBuffer::WriteOnly;

   599 

   600     QTest::newRow("read-write")

   601             << QSize(23, 111)

   602             << QImage::Format_RGB16

   603             << QAbstractVideoBuffer::ReadWrite;

   604 }

   605 

   606 void tst_QVideoFrame::mapImage()

   607 {

   608     QFETCH(QSize, size);

   609     QFETCH(QImage::Format, format);

   610     QFETCH(QAbstractVideoBuffer::MapMode, mode);

   611 

   612     QImage image(size.width(), size.height(), format);

   613 

   614     QVideoFrame frame(image);

   615 

   616     QVERIFY(!frame.bits());

   617     QCOMPARE(frame.numBytes(), 0);

   618     QCOMPARE(frame.bytesPerLine(), 0);

   619     QCOMPARE(frame.mapMode(), QAbstractVideoBuffer::NotMapped);

   620 

   621     QVERIFY(frame.map(mode));

   622 

   623     QVERIFY(frame.bits());

   624     QCOMPARE(frame.numBytes(), image.numBytes());

   625     QCOMPARE(frame.bytesPerLine(), image.bytesPerLine());

   626     QCOMPARE(frame.mapMode(), mode);

   627 

   628     frame.unmap();

   629 

   630     QVERIFY(!frame.bits());

   631     QCOMPARE(frame.numBytes(), 0);

   632     QCOMPARE(frame.bytesPerLine(), 0);

   633     QCOMPARE(frame.mapMode(), QAbstractVideoBuffer::NotMapped);

   634 }

   635 

   636 void tst_QVideoFrame::imageDetach()

   637 {

   638     const uint red = qRgb(255, 0, 0);

   639     const uint blue = qRgb(0, 0, 255);

   640 

   641     QImage image(8, 8, QImage::Format_RGB32);

   642 

   643     image.fill(red);

   644     QCOMPARE(image.pixel(4, 4), red);

   645 

   646     QVideoFrame frame(image);

   647 

   648     QVERIFY(frame.map(QAbstractVideoBuffer::ReadWrite));

   649 

   650     QImage frameImage(frame.bits(), 8, 8, frame.bytesPerLine(), QImage::Format_RGB32);

   651 

   652     QCOMPARE(frameImage.pixel(4, 4), red);

   653 

   654     frameImage.fill(blue);

   655     QCOMPARE(frameImage.pixel(4, 4), blue);

   656 

   657     // Original image has detached and is therefore unchanged.

   658     QCOMPARE(image.pixel(4, 4), red);

   659 }

   660 

   661 QTEST_MAIN(tst_QVideoFrame)

   662 

   663 #include "tst_qvideoframe.moc"