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filehandler.cc
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filehandler.cc
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/*
* filehandler.cc -- saving DV data into different file formats
* Copyright (C) 2000 Arne Schirmacher <[email protected]>
* Raw DV, JPEG, and Quicktime portions Copyright (C) 2003-2008 Dan Dennedy <[email protected]>
* Portions of Quicktime code borrowed from Arthur Peters' dv_utils.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string>
#include <iostream>
#include <sstream>
#include <iomanip>
using std::cout;
using std::endl;
using std::ostringstream;
using std::setw;
using std::setfill;
using std::ends;
#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <assert.h>
#include <time.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include "filehandler.h"
#include "error.h"
#include "riff.h"
#include "avi.h"
#include "frame.h"
#include "dvframe.h"
#include "affine.h"
#include "stringutils.h"
FileTracker *FileTracker::instance = NULL;
FileTracker::FileTracker( ) : mode( CAPTURE_MOVIE_APPEND )
{
return ;
sendEvent( ">> Constructing File Capture tracker" );
}
FileTracker::~FileTracker( )
{
return ;
sendEvent( ">> Destroying File Capture tracker" );
}
FileTracker &FileTracker::GetInstance( )
{
if ( instance == NULL )
instance = new FileTracker();
return *instance;
}
void FileTracker::SetMode( FileCaptureMode mode )
{
this->mode = mode;
}
FileCaptureMode FileTracker::GetMode( )
{
return this->mode;
}
char *FileTracker::Get( int index )
{
return list[ index ];
}
void FileTracker::Add( const char *file )
{
return ;
if ( this->mode != CAPTURE_IGNORE )
{
sendEvent( ">>>> Registering %s with the tracker", file );
list.push_back( strdup( file ) );
}
}
unsigned int FileTracker::Size( )
{
return list.size();
}
void FileTracker::Clear( )
{
while ( Size() > 0 )
{
free( list[ Size() - 1 ] );
list.pop_back( );
}
this->mode = CAPTURE_MOVIE_APPEND;
}
FileHandler::FileHandler() :
done( false ), autoSplit( false ), timeSplit(0), maxFrameCount( 0 ), isNewFile( false ), isFirstFile( -1 ),
lastCollectionFreeSpace( 0 ), currentCollectionSize( 0 ), framesWritten( 0 ), filename( "" )
{
prevTimeCode.sec = -1;
}
FileHandler::~FileHandler()
{
}
void FileHandler::CollectionCounterUpdate()
{
if ( GetSizeSplitMode() == 1)
{
currentCollectionSize += GetFileSize();
// Shove this cut into the last collection if there's room
if (currentCollectionSize <= lastCollectionFreeSpace)
{
currentCollectionSize = 0;
lastCollectionFreeSpace = lastCollectionFreeSpace - currentCollectionSize;
}
else
lastCollectionFreeSpace = 0;
// Start a new collection if we've gone over the Minimum Collection Size
if (currentCollectionSize >= GetMinColSize())
{
if (currentCollectionSize < GetMaxColSize())
lastCollectionFreeSpace = GetMaxColSize() - currentCollectionSize;
else
lastCollectionFreeSpace = 0;
currentCollectionSize = 0;
}
}
}
bool FileHandler::GetAutoSplit()
{
return autoSplit;
}
int FileHandler::GetTimeSplit()
{
return timeSplit;
}
bool FileHandler::GetTimeStamp()
{
return timeStamp;
}
bool FileHandler::GetTimeSys()
{
return timeSys;
}
bool FileHandler::GetTimeCode()
{
return timeCode;
}
string FileHandler::GetBaseName()
{
return base;
}
string FileHandler::GetExtension()
{
return extension;
}
int FileHandler::GetMaxFrameCount()
{
return maxFrameCount;
}
off_t FileHandler::GetMaxFileSize()
{
return maxFileSize;
}
int FileHandler::GetSizeSplitMode()
{
return sizeSplitMode;
}
off_t FileHandler::GetMaxColSize()
{
return maxColSize;
}
off_t FileHandler::GetMinColSize()
{
return minColSize;
}
void FileHandler::SetAutoSplit( bool flag )
{
autoSplit = flag;
}
void FileHandler::SetTimeSplit( int secs )
{
timeSplit = secs;
}
void FileHandler::SetTimeStamp( bool flag )
{
timeStamp = flag;
}
void FileHandler::SetTimeSys( bool flag )
{
timeSys = flag;
}
void FileHandler::SetTimeCode( bool flag )
{
timeCode = flag;
}
void FileHandler::SetBaseName( const string& s )
{
base = s;
}
void FileHandler::SetMaxFrameCount( int count )
{
assert( count >= 0 );
maxFrameCount = count;
}
void FileHandler::SetEveryNthFrame( int every )
{
assert ( every > 0 );
everyNthFrame = every;
}
void FileHandler::SetMaxFileSize( off_t size )
{
assert ( size >= 0 );
maxFileSize = size;
}
void FileHandler::SetSizeSplitMode( int mode )
{
sizeSplitMode = mode;
}
void FileHandler::SetMaxColSize( off_t size )
{
maxColSize = size;
}
void FileHandler::SetMinColSize( off_t size )
{
minColSize = size;
}
void FileHandler::SetFilmRate( bool flag)
{
filmRate = flag;
}
void FileHandler::SetRemove2332( bool flag)
{
remove2332 = flag;
}
bool FileHandler::Done()
{
return done;
}
bool FileHandler::WriteFrame( Frame *frame )
{
/* If the file size, collection size, or max frame count would be exceeded
* by this frame, and we can start a new file on this frame, close the current file.
* If the autosplit flag is set, a new file will be created.
*/
if ( FileIsOpen() && frame->CanStartNewStream() )
{
bool startNewFile = false;
off_t newFileSize = GetFileSize() + frame->GetDataLen();
bool maxFileSizeExceeded = newFileSize >= GetMaxFileSize();
bool maxColSizeExceeded = GetCurrentCollectionSize() + newFileSize >= GetMaxColSize();
if ( GetFileSize() > 0 )
{
if ( GetMaxFileSize() > 0 && maxFileSizeExceeded )
startNewFile = true;
if ( GetMaxColSize() > 0 && GetSizeSplitMode() == 1 && maxColSizeExceeded )
startNewFile = true;
}
if ( GetMaxFrameCount() > 0 && framesWritten >= GetMaxFrameCount() )
startNewFile = true;
if ( startNewFile )
{
CollectionCounterUpdate();
Close();
done = !GetAutoSplit();
}
}
TimeCode tc;
int time_diff = 0;
if ( frame->GetTimeCode( tc ) )
time_diff = TIMECODE_TO_SEC(tc) - TIMECODE_TO_SEC(prevTimeCode);
bool discontinuity = prevTimeCode.sec != -1 && ( time_diff > 1 || time_diff < 0 );
bool isTimeSplit = false;
if ( timeSplit != 0 )
{
struct tm rd;
if ( frame->GetRecordingDate( rd ) )
{
time_t now = mktime( &rd );
if ( now >= prevTime + timeSplit )
isTimeSplit = true;
prevTime = now;
}
}
// If the user wants autosplit, start a new file if a new recording is detected
// either by explicit frame flag or a timecode discontinuity
if ( FileIsOpen() && ( ( GetAutoSplit() && ( frame->IsNewRecording() || discontinuity ) )
|| isTimeSplit ) )
{
CollectionCounterUpdate();
Close();
}
isNewFile = false;
if ( ! FileIsOpen() )
{
static int counter = 0;
ostringstream stimestamp, stimecode;
prevTimeCode.sec = -1;
if ( GetTimeStamp() || GetTimeSys() )
{
struct tm date;
if ( ( GetTimeStamp() && ! frame->GetRecordingDate( date ) ) || GetTimeSys() )
{
time_t timesys;
time( ×ys );
localtime_r( ×ys, &date );
}
stimestamp << setfill( '0' )
<< setw( 4 ) << date.tm_year + 1900 << '.'
<< setw( 2 ) << date.tm_mon + 1 << '.'
<< setw( 2 ) << date.tm_mday << '_'
<< setw( 2 ) << date.tm_hour << '-'
<< setw( 2 ) << date.tm_min << '-'
<< setw( 2 ) << date.tm_sec;
}
if ( GetTimeCode() )
{
TimeCode tc;
if ( frame->GetTimeCode( tc ) )
{
stimecode << setfill( '0' )
<< setw( 2 ) << tc.hour << ':'
<< setw( 2 ) << tc.min << ':'
<< setw( 2 ) << tc.sec << ':'
<< setw( 2 ) << tc.frame;
}
else
{
stimecode << "EE:EE:EE:EE";
}
}
if ( GetTimeStamp() || GetTimeSys() || GetTimeCode() )
{
ostringstream sb;
sb << GetBaseName();
if ( ( GetTimeStamp() || GetTimeSys() ) && GetTimeCode() )
{
sb << stimestamp.str() << "--" << stimecode.str();
}
else if ( GetTimeCode() )
{
sb << stimecode.str();
}
else
{
sb << stimestamp.str();
}
sb << GetExtension() << ends;
filename = sb.str();
}
else
{
struct stat stats;
do
{
ostringstream sb;
sb << GetBaseName() << setfill( '0' ) << setw( 3 ) << ++ counter
<< GetExtension() << ends;
filename = sb.str();
}
while ( stat( filename.c_str(), &stats ) == 0 );
}
if ( ! Create( filename ) )
{
sendEvent( ">>> Error creating file!" );
return false;
}
isNewFile = true;
if ( isFirstFile == -1 )
isFirstFile = 1;
else if ( isFirstFile == 1 )
isFirstFile = 0;
framesWritten = 0;
framesToSkip = 0;
}
/* write frame */
if ( framesToSkip == 0 )
{
if ( 0 > Write( frame ) )
{
sendEvent( ">>> Error writing frame!" );
return false;
}
framesToSkip = everyNthFrame;
++framesWritten;
}
framesToSkip--;
if ( !frame->GetTimeCode( prevTimeCode ) )
prevTimeCode.sec = -1;
return true;
}
static ssize_t writen( int fd, unsigned char *vptr, size_t n )
{
size_t nleft = n;
ssize_t nwritten;
unsigned char *ptr = vptr;
while ( nleft > 0 )
{
if ( ( nwritten = write( fd, ptr, nleft ) ) <= 0 )
{
if ( errno == EINTR )
{
nwritten = 0;
}
else
{
return -1;
}
}
nleft -= nwritten;
ptr += nwritten;
}
return n;
}
/***************************************************************************/
RawHandler::RawHandler( const string& ext ) : fd( -1 )
{
extension = ext;
}
RawHandler::~RawHandler()
{
Close();
}
bool RawHandler::FileIsOpen()
{
return fd != -1;
}
bool RawHandler::Create( const string& filename )
{
if ( GetBaseName() == "-" )
fd = fileno( stdout );
else
fd = open( filename.c_str(), O_CREAT | O_TRUNC | O_RDWR | O_NONBLOCK, 0644 );
if ( fd != -1 )
{
FileTracker::GetInstance().Add( filename.c_str() );
this->filename = filename;
}
return ( fd != -1 );
}
int RawHandler::Write( Frame *frame )
{
int result = writen( fd, frame->data, frame->GetDataLen() );
return result;
}
int RawHandler::Close()
{
if ( fd != -1 && fd != fileno( stdin ) && fd != fileno( stdout ) )
{
close( fd );
fd = -1;
}
return 0;
}
off_t RawHandler::GetFileSize()
{
struct stat file_status;
if ( fstat( fd, &file_status ) < 0 )
return 0;
return file_status.st_size;
}
int RawHandler::GetTotalFrames()
{
return GetFileSize() / ( 480 * numBlocks );
}
bool RawHandler::Open( const char *s )
{
unsigned char data[ 4 ];
assert( fd == -1 );
if ( strcmp( s, "-" ) == 0 )
{
fd = fileno( stdin );
filename = "stdin";
}
else
{
fd = open( s, O_RDWR | O_NONBLOCK );
if ( fd < 0 )
return false;
filename = s;
}
if ( read( fd, data, 4 ) < 0 )
return false;
lseek( fd, 0, SEEK_SET );
numBlocks = ( ( data[ 3 ] & 0x80 ) == 0 ) ? 250 : 300;
return true;
}
int RawHandler::GetFrame( Frame *frame, int frameNum )
{
assert( fd != -1 );
int size = 480 * numBlocks;
if ( frameNum < 0 )
return -1;
off_t offset = ( ( off_t ) frameNum * ( off_t ) size );
fail_if( lseek( fd, offset, SEEK_SET ) == ( off_t ) - 1 );
if ( read( fd, frame->data, size ) > 0 )
return 0;
else
return -1;
}
/***************************************************************************/
AVIHandler::AVIHandler( int format ) : avi( NULL ), filen( NULL ), aviFormat( format ), isOpenDML( false ),
fccHandler( make_fourcc( "dvsd" ) ), infoSet( false )
{
extension = ".avi";
}
AVIHandler::~AVIHandler()
{
Close();
}
void AVIHandler::SetSampleFrame( DVFrame *sample )
{
Pack pack;
sample->GetAudioInfo( audioInfo );
sample->GetVideoInfo( videoInfo );
sample->GetAAUXPack( 0x50, pack );
dvinfo.dwDVAAuxSrc = *( DWORD* ) ( pack.data + 1 );
sample->GetAAUXPack( 0x51, pack );
dvinfo.dwDVAAuxCtl = *( DWORD* ) ( pack.data + 1 );
sample->GetAAUXPack( 0x52, pack );
dvinfo.dwDVAAuxSrc1 = *( DWORD* ) ( pack.data + 1 );
sample->GetAAUXPack( 0x53, pack );
dvinfo.dwDVAAuxCtl1 = *( DWORD* ) ( pack.data + 1 );
sample->GetVAUXPack( 0x60, pack );
dvinfo.dwDVVAuxSrc = *( DWORD* ) ( pack.data + 1 );
sample->GetVAUXPack( 0x61, pack );
dvinfo.dwDVVAuxCtl = *( DWORD* ) ( pack.data + 1 );
#ifdef WITH_LIBDV
if ( sample->decoder->std == e_dv_std_smpte_314m )
fccHandler = make_fourcc( "dv25" );
#endif
infoSet = true;
}
bool AVIHandler::FileIsOpen()
{
return avi != NULL;
}
bool AVIHandler::Create( const string& filename )
{
assert( avi == NULL );
if ( !infoSet )
{
filen = &filename;
return true;
}
switch ( aviFormat )
{
case AVI_DV1_FORMAT:
fail_null( avi = new AVI1File );
if ( avi->Create( filename.c_str() ) == false )
return false;
avi->Init( videoInfo.isPAL ? AVI_PAL : AVI_NTSC, audioInfo.frequency,
( AVI_SMALL_INDEX | AVI_LARGE_INDEX ) );
break;
case AVI_DV2_FORMAT:
fail_null( avi = new AVI2File );
if ( avi->Create( filename.c_str() ) == false )
return false;
if ( GetOpenDML() )
avi->Init( videoInfo.isPAL ? AVI_PAL : AVI_NTSC, audioInfo.frequency,
( AVI_SMALL_INDEX | AVI_LARGE_INDEX ) );
else
avi->Init( videoInfo.isPAL ? AVI_PAL : AVI_NTSC, audioInfo.frequency,
( AVI_SMALL_INDEX ) );
break;
default:
assert( aviFormat == AVI_DV1_FORMAT || aviFormat == AVI_DV2_FORMAT );
}
avi->setDVINFO( dvinfo );
avi->setFccHandler( make_fourcc( "iavs" ), fccHandler );
avi->setFccHandler( make_fourcc( "vids" ), fccHandler );
this->filename = filename;
FileTracker::GetInstance().Add( filename.c_str() );
return ( avi != NULL );
}
int AVIHandler::Write( Frame *frame )
{
if ( !infoSet )
{
assert( !frame->IsHDV() );
SetSampleFrame( (DVFrame*)frame );
if ( ! Create( *filen ) )
{
sendEvent( ">>> Error creating file!" );
return false;
}
}
assert( avi != NULL );
return ( avi->WriteFrame( frame ) ? 0 : -1 );
}
int AVIHandler::Close()
{
if ( avi != NULL )
{
avi->WriteRIFF();
delete avi;
avi = NULL;
}
return 0;
}
off_t AVIHandler::GetFileSize()
{
if ( avi )
return avi->GetFileSize();
else
return 0;
}
int AVIHandler::GetTotalFrames()
{
return avi->GetTotalFrames();
}
bool AVIHandler::Open( const char *s )
{
assert( avi == NULL );
fail_null( avi = new AVI1File );
if ( avi->Open( s ) )
{
avi->ParseRIFF();
if ( !( avi->verifyStreamFormat( make_fourcc( "dvsd" ) ) ||
avi->verifyStreamFormat( make_fourcc( "dv25" ) ) ) )
return false;
avi->ReadIndex();
if ( avi->verifyStream( make_fourcc( "auds" ) ) )
aviFormat = AVI_DV2_FORMAT;
else
aviFormat = AVI_DV1_FORMAT;
isOpenDML = avi->isOpenDML();
filename = s;
return true;
}
else
return false;
}
int AVIHandler::GetFrame( Frame *frame, int frameNum )
{
int result = avi->GetFrame( frame, frameNum );
return result;
}
void AVIHandler::SetOpenDML( bool flag )
{
isOpenDML = flag;
}
bool AVIHandler::GetOpenDML()
{
return isOpenDML;
}
/***************************************************************************/
#ifdef HAVE_LIBQUICKTIME
#ifndef HAVE_LIBDV_DV_H
#define DV_AUDIO_MAX_SAMPLES 1944
#endif
QtHandler::QtHandler() : fd( NULL ), audioBufferSize( 0 )
{
extension = ".mov";
Init();
}
QtHandler::~QtHandler()
{
Close();
}
void QtHandler::Init()
{
if ( fd != NULL )
Close();
fd = NULL;
samplingRate = 0;
samplesPerBuffer = 0;
channels = 2;
audioBuffer = NULL;
audioChannelBuffer = NULL;
isFullyInitialized = false;
}
bool QtHandler::FileIsOpen()
{
return fd != NULL;
}
bool QtHandler::Create( const string& filename )
{
Init();
fd = quicktime_open( const_cast<char*>( filename.c_str() ), 0, 1 );
this->filename = filename;
return ( fd != NULL );
}
inline void QtHandler::DeinterlaceStereo16( void* pInput, int iBytes,
void* pLOutput, void* pROutput )
{
short int * piSampleInput = ( short int* ) pInput;
short int* piSampleLOutput = ( short int* ) pLOutput;
short int* piSampleROutput = ( short int* ) pROutput;
while ( ( char* ) piSampleInput < ( ( char* ) pInput + iBytes ) )
{
*piSampleLOutput++ = *piSampleInput++;
*piSampleROutput++ = *piSampleInput++;
}
}
int QtHandler::Write( Frame *f )
{
assert( !f->IsHDV() );
int result = 0;
DVFrame *frame = (DVFrame*)f;
if ( ! isFullyInitialized )
{
AudioInfo audio;
if ( frame->GetAudioInfo( audio ) )
{
/* TODO: handle 12-bit, non-linear audio */
char compressor[] = QUICKTIME_TWOS;
channels = 2;
quicktime_set_audio( fd, channels, audio.frequency, 16,
compressor );
}
else
{
channels = 0;
}
if ( filmRate || remove2332 )
{
char compressor[] = QUICKTIME_DV;
quicktime_set_video( fd, 1, 720, 480, 24, compressor );
}
else
{
char compressor[] = QUICKTIME_DV;
quicktime_set_video( fd, 1, 720, frame->IsPAL() ? 576 : 480,
frame->GetFrameRate(), compressor );
}
if ( channels > 0 )
{
audioBuffer = new int16_t[ DV_AUDIO_MAX_SAMPLES * channels ];
audioBufferSize = DV_AUDIO_MAX_SAMPLES;
audioChannelBuffer = new short int * [ channels ];
for ( int c = 0; c < channels; c++ )
audioChannelBuffer[ c ] = new short int[ 3000 ];
assert( channels <= 4 );
for ( int c = 0; c < channels; c++ )
audioChannelBuffers[ c ] = audioChannelBuffer[ c ];
}
else
{
audioChannelBuffer = NULL;
for ( int c = 0; c < 4; c++ )
audioChannelBuffers[ c ] = NULL;
}
isFullyInitialized = true;
}
if ( remove2332 )
{
const int frameOffset = 3;
TimeCode tc;
frame->GetTimeCode( tc );
if ( ( tc.frame + frameOffset ) % 5 )
{
result = quicktime_write_frame( fd, const_cast<unsigned char*>( frame->data ),
frame->GetFrameSize(), 0 );
}
else
{
result = 1;
}
}
else
{
result = quicktime_write_frame( fd, const_cast<unsigned char*>( frame->data ),
frame->GetFrameSize(), 0 );
}
if ( channels > 0 )
{
AudioInfo audio;
frame->ExtractHeader();
if ( frame->GetAudioInfo( audio ) && ( unsigned int ) audio.samples < audioBufferSize )
{
long bytesRead = frame->ExtractAudio( audioBuffer );
DeinterlaceStereo16( audioBuffer, bytesRead,
audioChannelBuffer[ 0 ],
audioChannelBuffer[ 1 ] );
quicktime_encode_audio( fd, audioChannelBuffers,
NULL, bytesRead / 4 );
}
}
return result;
}
int QtHandler::Close()
{
if ( fd != NULL )
{
quicktime_close( fd );
fd = NULL;
}
if ( audioBuffer != NULL )
{
delete audioBuffer;
audioBuffer = NULL;
}
if ( audioChannelBuffer != NULL )
{
for ( int c = 0; c < channels; c++ )
delete audioChannelBuffer[ c ];
delete audioChannelBuffer;
audioChannelBuffer = NULL;
}