X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fkino%2Ffilehandler.cc;h=92d793b2f426af1be2e2a37b6d4d73fa68bba4e9;hb=293fdbb73409975db82393d85f1aa1414e0c1d9e;hp=67412fda8cbdab34deecc949293d6a1200801934;hpb=efd5f25f6fe70f75f9787e9c7f2b53730ecf6048;p=melted

diff --git a/src/modules/kino/filehandler.cc b/src/modules/kino/filehandler.cc
index 67412fd..92d793b 100644
--- a/src/modules/kino/filehandler.cc
+++ b/src/modules/kino/filehandler.cc
@@ -19,6 +19,10 @@
 
 #include "config.h"
 
+extern "C" {
+#include <framework/mlt_frame.h>
+}
+
 #include <string>
 #include <iostream>
 #include <sstream>
@@ -693,6 +697,19 @@ bool AVIHandler::GetOpenDML() const
 #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";
@@ -839,7 +856,7 @@ int QtHandler::Close()
 off_t QtHandler::GetFileSize()
 {
 	struct stat file_status;
-	fstat( fileno( fd->stream ), &file_status );
+	stat( filename.c_str(), &file_status );
 	return file_status.st_size;
 }
 
@@ -871,7 +888,8 @@ bool QtHandler::Open( const char *s )
 	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_DV_AVID_A, 4 ) != 0 && 
+	     strncmp( fcc, QUICKTIME_DVCPRO, 4 ) != 0 )
 	{
 		Close();
 		return false;
@@ -895,15 +913,22 @@ int QtHandler::GetFrame( uint8_t *data, int frameNum )
 		if ( ! isFullyInitialized )
 			AllocateAudioBuffers();
 
+		// Fetch the frequency of the audio track and calc number of samples needed
 		int frequency = quicktime_sample_rate( fd, 0 );
-		int samples = ( int )( frequency / quicktime_frame_rate( fd, 0 ) );
-		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 );
-		}
+		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 );
 	}