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Added code to decode AVI headers in AVI RIFF viewer.

This commit is contained in:
mjbudd77 2021-10-03 09:24:06 -04:00
parent 6856921c38
commit becec5c8a7
4 changed files with 353 additions and 21 deletions
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360
src/drivers/Qt/AviRiffViewer.cpp
View File

@ -64,6 +64,7 @@ AviRiffViewerDialog::AviRiffViewerDialog(QWidget *parent)
win = this;
avi = NULL;
lastChunk = NULL;
memset( strhType, 0, sizeof(strhType) );
setWindowTitle("AVI RIFF Viewer");
@ -140,7 +141,7 @@ QMenuBar *AviRiffViewerDialog::buildMenuBar(void)
QMenu *fileMenu;
//QActionGroup *actGroup;
QAction *act;
int opt, useNativeMenuBar=0;
int useNativeMenuBar=0;
QMenuBar *menuBar = new QMenuBar();
@ -156,7 +157,7 @@ QMenuBar *AviRiffViewerDialog::buildMenuBar(void)
fileMenu = menuBar->addMenu(tr("&File"));
// File -> Open
act = new QAction(tr("&Open"), this);
act = new QAction(tr("&Open AVI File"), this);
act->setShortcut(QKeySequence::Open);
act->setStatusTip(tr("Open AVI File"));
connect(act, SIGNAL(triggered()), this, SLOT(openAviFileDialog(void)) );
@ -164,7 +165,17 @@ QMenuBar *AviRiffViewerDialog::buildMenuBar(void)
fileMenu->addAction(act);
// File -> Close
act = new QAction(tr("&Close"), this);
act = new QAction(tr("&Close File"), this);
act->setShortcut(QKeySequence(tr("Ctrl+C")));
act->setStatusTip(tr("Close File"));
connect(act, SIGNAL(triggered()), this, SLOT(closeFile(void)) );
fileMenu->addAction(act);
fileMenu->addSeparator();
// File -> Quit
act = new QAction(tr("&Quit Window"), this);
act->setShortcut(QKeySequence::Close);
act->setStatusTip(tr("Close Window"));
connect(act, SIGNAL(triggered()), this, SLOT(closeWindow(void)) );
@ -181,7 +192,7 @@ void AviRiffViewerDialog::openAviFileDialog(void)
QString filename;
std::string lastPath;
//char dir[512];
const char *base, *rom;
const char *base;
QFileDialog dialog(this, tr("Open AVI Movie for Inspection") );
QList<QUrl> urls;
QDir d;
@ -221,19 +232,6 @@ void AviRiffViewerDialog::openAviFileDialog(void)
dialog.setDirectory( QString::fromStdString(lastPath) );
}
rom = getRomFile();
if ( rom )
{
char baseName[512];
getFileBaseName( rom, baseName );
if ( baseName[0] != 0 )
{
dialog.selectFile(baseName);
}
}
// Check config option to use native file dialog or not
g_config->getOption ("SDL.UseNativeFileDialog", &useNativeFileDialogVal);
@ -287,6 +285,7 @@ int AviRiffViewerDialog::openFile( const char *filepath )
itemStack.clear();
lastChunk = NULL;
memset( strhType, 0, sizeof(strhType) );
avi->setRiffWalkCallback( ::riffWalkCallback, this );
avi->riffwalk();
@ -294,7 +293,7 @@ int AviRiffViewerDialog::openFile( const char *filepath )
return 0;
}
//----------------------------------------------------------------------------
int AviRiffViewerDialog::closeFile(void)
void AviRiffViewerDialog::closeFile(void)
{
if ( avi )
{
@ -302,8 +301,6 @@ int AviRiffViewerDialog::closeFile(void)
}
riffTree->clear();
itemStack.clear();
return 0;
}
//----------------------------------------------------------------------------
int AviRiffViewerDialog::riffWalkCallback( int type, long long int fpos, const char *fourcc, size_t size )
@ -489,6 +486,329 @@ int AviRiffViewerDialog::processChunk( AviRiffTreeItem *item )
twi->setText( 2, tr(stmp) );
item->addChild(twi);
}
else if ( strcmp( item->getFourcc(), "strh" ) == 0 )
{
data.malloc( item->getSize()+8 );
avi->getChunkData( item->filePos(), data.buf, item->getSize()+8 );
sprintf( stmp, "%c%c%c%c", data.buf[0], data.buf[1], data.buf[2], data.buf[3] );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("fcc") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(4) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("cb") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%c%c%c%c", data.buf[8], data.buf[9], data.buf[10], data.buf[11] );
strcpy( strhType, stmp );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("fccType") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
if ( isalnum(data.buf[12]) )
{
sprintf( stmp, "%c%c%c%c", data.buf[12], data.buf[13], data.buf[14], data.buf[15] );
}
else
{
sprintf( stmp, "0x%X", data.readU32(12) );
}
twi = new QTreeWidgetItem();
twi->setText( 0, tr("fccHandler") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "0x%X", data.readU32(16) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("dwFlags") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(20) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("wPriority") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(22) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("wLanguage") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(24) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("dwInitialFrames") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(28) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("dwScale") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(32) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("dwRate") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(36) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("dwStart") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(40) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("dwLength") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(44) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("dwSuggestedBufferSize") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%i", data.readI32(48) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("dwQuality") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(52) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("dwSampleSize") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(56) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("rcFrame.left") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(58) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("rcFrame.top") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(60) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("rcFrame.right") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(62) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("rcFrame.bottom") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
}
else if ( strcmp( item->getFourcc(), "strf" ) == 0 )
{
if ( strcmp( strhType, "vids" ) == 0 )
{
data.malloc( item->getSize()+8 );
avi->getChunkData( item->filePos(), data.buf, item->getSize()+8 );
sprintf( stmp, "%c%c%c%c", data.buf[0], data.buf[1], data.buf[2], data.buf[3] );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("fcc") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(4) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("cb") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(8) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biSize") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%i", data.readI32(12) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biWidth") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%i", data.readI32(16) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biHeight") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(20) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biPlanes") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(22) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biBitCount") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
if ( isalnum(data.buf[24]) )
{
sprintf( stmp, "%c%c%c%c", data.buf[24], data.buf[25], data.buf[26], data.buf[27] );
}
else
{
sprintf( stmp, "0x%X", data.readU32(24) );
}
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biCompression") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(28) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biSizeImage") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%i", data.readI32(32) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biXPelsPerMeter") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%i", data.readI32(36) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biYPelsPerMeter") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(40) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biClrUsed") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(44) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("biClrImportant") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
}
else if ( strcmp( strhType, "auds" ) == 0 )
{
data.malloc( item->getSize()+8 );
avi->getChunkData( item->filePos(), data.buf, item->getSize()+8 );
sprintf( stmp, "%c%c%c%c", data.buf[0], data.buf[1], data.buf[2], data.buf[3] );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("fcc") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(4) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("cb") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(8) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("wFormatTag") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(10) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("nChannels") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(12) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("nSamplesPerSec") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU32(16) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("nAvgBytesPerSec") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(20) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("nBlockAlign") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(22) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("nBitsPerSample") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
sprintf( stmp, "%u", data.readU16(24) );
twi = new QTreeWidgetItem();
twi->setText( 0, tr("cbSize") );
twi->setText( 2, tr(stmp) );
item->addChild(twi);
}
}
return 0;
}

3
src/drivers/Qt/AviRiffViewer.h
View File

@ -72,18 +72,19 @@ protected:
QMenuBar *buildMenuBar(void);
int openFile( const char *filepath );
int closeFile(void);
int processChunk( AviRiffTreeItem *item );
gwavi_t *avi;
AviRiffTree *riffTree;
AviRiffTreeItem *lastChunk;
std::list <AviRiffTreeItem*> itemStack;
char strhType[8];
private:
public slots:
void closeWindow(void);
private slots:
void closeFile(void);
void openAviFileDialog(void);
//void ItemActivated(QTreeWidgetItem *item, int column);
};

10
src/drivers/Qt/avi/gwavi.cpp
View File

@ -1273,6 +1273,16 @@ uint16_t gwavi_dataBuffer::readU16( int ofs )
return out;
}
int32_t gwavi_dataBuffer::readI32( int ofs )
{
int32_t out = 0;
out = (buf[3+ofs] << 24) | (buf[2+ofs] << 16) |
(buf[1+ofs] << 8) | (buf[0+ofs]);
return out;
}
uint32_t gwavi_dataBuffer::readU32( int ofs )
{
uint32_t out = 0;

1
src/drivers/Qt/avi/gwavi.h
View File

@ -178,6 +178,7 @@ class gwavi_dataBuffer
int16_t readI16( int ofs );
uint16_t readU16( int ofs );
int32_t readI32( int ofs );
uint32_t readU32( int ofs );
unsigned char *buf;