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/*******************************************************************************
testqt.c
libquicktime - A library for reading and writing quicktime/avi/mp4 files.
http://libquicktime.sourceforge.net
Copyright (C) 2002 Heroine Virtual Ltd.
Copyright (C) 2002-2011 Members of the libquicktime project.
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at your option)
any later version.
This library 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 Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License along
with this library; if not, write to the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
#include "lqt_private.h"
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
int main(int argc, char** argv)
{
char *pcInputFN = argv[1];
char *pcOutputFN = argv[2];
char *pcAudioPrefix = argv[3];
int i;
quicktime_t *pxQuicktimeInput;
quicktime_t *pxQuicktimeOutput;
if( argc != 4 )
{
printf( "usage: testqt <input file> <video output file> <audio output prefix>\n"
"\tReads input file and dumps the video from it to the video\n"
"\toutput file as a raw RGB MOV and the audio as a\n"
"\t<prefix>-<channel #>.sw for each channel. The audio files\n"
"\tare raw 16bit mono at the sampling rate of the original\n"
);
exit(3);
}
pxQuicktimeInput = quicktime_open( pcInputFN, 1, 0 );
if( pxQuicktimeInput == NULL )
{
printf( "Error opening: %s\n", pcInputFN );
exit(1);
}
pxQuicktimeOutput = quicktime_open( pcOutputFN, 0, 1 );
if( pxQuicktimeOutput == NULL )
{
printf( "Error opening: %s\n", pcOutputFN );
exit(2);
}
{
int iFrameWidth = quicktime_video_width( pxQuicktimeInput, 0 );
int iFrameHeight = quicktime_video_height( pxQuicktimeInput, 0 );
float fFrameRate = quicktime_frame_rate( pxQuicktimeInput, 0 );
unsigned char **ppFrameBuffer;
unsigned char *pFrameBufferLinear;
int iFrameNum = 0;
int iSamplesPerFrame =
ceilf( quicktime_sample_rate( pxQuicktimeInput, 0 ) / fFrameRate );
int iNAudioOutputs = lqt_total_channels( pxQuicktimeInput );
FILE **pxAudioOutputs;
int16_t **ppiAudioBuffer;
int16_t *piAudioBufferLinear;
if( fFrameRate <= 0 )
iSamplesPerFrame =
ceilf( quicktime_sample_rate( pxQuicktimeInput, 0 ) );
{
int cpus = 1;
if( getenv("CPUS") != NULL )
cpus = atoi(getenv("CPUS"));
quicktime_set_cpus( pxQuicktimeInput, cpus );
quicktime_set_cpus( pxQuicktimeOutput, cpus );
}
quicktime_set_video( pxQuicktimeOutput, 1, iFrameWidth, iFrameHeight,
fFrameRate, QUICKTIME_MJPA );
pFrameBufferLinear = malloc( iFrameHeight * iFrameWidth * 3 *
sizeof( unsigned char ) + 1000 );
ppFrameBuffer = calloc( iFrameHeight, sizeof( unsigned char * ) );
for( i = 0; i < iFrameHeight; i++ )
{
ppFrameBuffer[i] = pFrameBufferLinear + (iFrameWidth * 3 * i);
}
pxAudioOutputs = malloc( iNAudioOutputs * sizeof( FILE * ) );
//piAudioBuffer = malloc( iSamplesPerFrame * sizeof( int16_t ) );
piAudioBufferLinear = malloc( iNAudioOutputs * iSamplesPerFrame
* sizeof( int16_t ) );
ppiAudioBuffer = calloc( iNAudioOutputs, sizeof( int16_t * ) );
for( i = 0; i < iNAudioOutputs; i++ )
{
//ppiAudioBuffer[i] = malloc( iSamplesPerFrame * sizeof( int16_t ) );
ppiAudioBuffer[i] = piAudioBufferLinear + (iSamplesPerFrame * i);
}
for( i = 0; i < iNAudioOutputs; i++ )
{
char sName[64];
snprintf( sName, 64, "%s-%02d.sw", pcAudioPrefix, i );
pxAudioOutputs[i] = fopen( sName, "wb" );
}
/*
ppFrameBuffer = calloc( iFrameHeight, sizeof( unsigned char * ) );
for( i = 0; i < iFrameHeight; i++ )
{
ppFrameBuffer[i] = calloc( iFrameWidth * 3, sizeof( unsigned char ) );
}
*/
while( iFrameNum < quicktime_video_length( pxQuicktimeInput, 0 )
|| iFrameNum*iSamplesPerFrame < quicktime_audio_length( pxQuicktimeInput, 0 ) )
{
//long int iAudioPos = quicktime_audio_position( pxQuicktimeInput, 0 );
if( iFrameNum < quicktime_video_length( pxQuicktimeInput, 0 ) )
{
quicktime_decode_video( pxQuicktimeInput, ppFrameBuffer, 0 );
quicktime_encode_video( pxQuicktimeOutput, ppFrameBuffer, 0 );
printf( "v " );
}
if( iFrameNum*iSamplesPerFrame < quicktime_audio_length( pxQuicktimeInput, 0 ) )
{
lqt_decode_audio( pxQuicktimeInput, ppiAudioBuffer,
NULL, iSamplesPerFrame );
for( i = 0; i < iNAudioOutputs; i++ )
{
/*
quicktime_set_audio_position( pxQuicktimeInput, iAudioPos, 0 );
quicktime_decode_audio( pxQuicktimeInput, ppiAudioBuffer[0],
NULL, iSamplesPerFrame, i );
*/
fwrite( ppiAudioBuffer[i], iSamplesPerFrame,
sizeof( int16_t ),
pxAudioOutputs[i] );
}
printf( "a %d(%d) < %ld ", iFrameNum*iSamplesPerFrame, iSamplesPerFrame, quicktime_audio_length( pxQuicktimeInput, 0 ) );
}
printf( "At frame #%d\n", iFrameNum );
iFrameNum++;
}
for( i = 0; i < iNAudioOutputs; i++ )
{
fclose( pxAudioOutputs[i] );
}
}
quicktime_close(pxQuicktimeOutput);
quicktime_close(pxQuicktimeInput);
return 0;
}
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