#include "config.h"
+extern "C" {
+#include <framework/mlt_frame.h>
+}
+
#include <string>
#include <iostream>
#include <sstream>
#include <time.h>
#include <sys/time.h>
+// libdv header files
+#ifdef HAVE_LIBDV
+#include <libdv/dv.h>
+#endif
+
#include "filehandler.h"
#include "error.h"
#include "riff.h"
#define DV_AUDIO_MAX_SAMPLES 1944
#endif
+// Missing fourcc's in libquicktime (allows compilation)
+#ifndef QUICKTIME_DV_AVID
+#define QUICKTIME_DV_AVID "AVdv"
+#endif
+
+#ifndef QUICKTIME_DV_AVID_A
+#define QUICKTIME_DV_AVID_A "dvcp"
+#endif
+
+#ifndef QUICKTIME_DVCPRO
+#define QUICKTIME_DVCPRO "dvpp"
+#endif
+
QtHandler::QtHandler() : fd( NULL )
{
extension = ".mov";
Close();
return false;
}
- if ( strncmp( quicktime_video_compressor( fd, 0 ), QUICKTIME_DV, 4 ) != 0 )
+ char * fcc = quicktime_video_compressor( fd, 0 );
+ if ( strncmp( fcc, QUICKTIME_DV, 4 ) != 0 &&
+ strncmp( fcc, QUICKTIME_DV_AVID, 4 ) != 0 &&
+ strncmp( fcc, QUICKTIME_DV_AVID_A, 4 ) != 0 &&
+ strncmp( fcc, QUICKTIME_DVCPRO, 4 ) != 0 )
{
- fprintf( stderr, "Video in input file (%s) must be in DV format.\n", s );
Close();
return false;
}
quicktime_set_video_position( fd, frameNum, 0 );
quicktime_read_frame( fd, data, 0 );
-#if 0
+#ifdef HAVE_LIBDV
if ( quicktime_has_audio( fd ) )
{
- AudioInfo info;
- double samples;
-
if ( ! isFullyInitialized )
- {
- cerr << ">>> using audio from separarate Quicktime audio track" << endl;
AllocateAudioBuffers();
- }
- info.channels = channels;
- info.frequency = quicktime_sample_rate( fd, 0 );
- samples = info.frequency / quicktime_frame_rate( fd, 0 );
- info.samples = (int) samples;
- for ( int i = 0; i < channels; i++ )
- {
- quicktime_set_audio_position( fd, ( int64_t )( frameNum * samples ), 0 );
- quicktime_decode_audio( fd, audioChannelBuffer[ i ], NULL, (long) samples, i );
- }
- frame.EncodeAudio( info, audioChannelBuffer );
+ // Fetch the frequency of the audio track and calc number of samples needed
+ int frequency = quicktime_sample_rate( fd, 0 );
+ float fps = ( data[ 3 ] & 0x80 ) ? 25.0f : 29.97f;
+ int samples = mlt_sample_calculator( fps, frequency, frameNum );
+ int64_t seek = mlt_sample_calculator_to_now( fps, frequency, frameNum );
+
+ // Obtain a dv encoder and initialise it with minimal info
+ dv_encoder_t *encoder = dv_encoder_new( 0, 0, 0 );
+ encoder->isPAL = ( data[ 3 ] & 0x80 );
+ encoder->samples_this_frame = samples;
+
+ // Seek to the calculated position and decode
+ quicktime_set_audio_position( fd, seek, 0 );
+ lqt_decode_audio( fd, audioChannelBuffer, NULL, (long) samples );
+
+ // Encode the audio on the frame and done
+ dv_encode_full_audio( encoder, audioChannelBuffer, channels, frequency, data );
+ dv_encoder_free( encoder );
}
- frame.ExtractHeader();
#endif
return 0;