TARGET = ../libmltffmpeg.so
OBJS = factory.o \
- producer_ffmpeg.o
+ producer_ffmpeg.o \
+ filter_ffmpeg_dub.o
CFLAGS = -I../../ -Wall -g -D_FILE_OFFSET_BITS=64 -pthread
ffmpeg libmltffmpeg.so
EOF
+cat << EOF >> ../filters.dat
+ffmpeg_dub libmltffmpeg.so
+EOF
+
fi
#include <string.h>
#include "producer_ffmpeg.h"
+#include "filter_ffmpeg_dub.h"
void *mlt_create_producer( char *id, void *arg )
{
void *mlt_create_filter( char *id, void *arg )
{
+ if ( !strcmp( id, "ffmpeg_dub" ) )
+ return filter_ffmpeg_dub_init( arg );
return NULL;
}
--- /dev/null
+/*
+ * filter_ffmpeg_dub.c -- simple ffmpeg dub test case
+ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * 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.
+ */
+
+#include "filter_ffmpeg_dub.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <framework/mlt.h>
+
+/** Do it.
+*/
+
+static int filter_get_audio( mlt_frame frame, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
+{
+ // Obtain the frame properties
+ mlt_properties frame_properties = mlt_frame_properties( frame );
+
+ // Get the producer used.
+ mlt_producer producer = mlt_properties_get_data( frame_properties, "producer", NULL );
+
+ // Get the producer properties
+ mlt_properties producer_properties = mlt_producer_properties( producer );
+
+ // Get the original get_audio
+ int ( *get_audio )( mlt_frame, int16_t **, mlt_audio_format *, int *, int *, int * ) = mlt_properties_get_data( frame_properties, "get_audio", NULL );
+
+ // Call the original get_audio
+ get_audio( frame, buffer, format, frequency, channels, samples );
+
+ // Now if our producer is still producing, override the audio
+ if ( !mlt_properties_get_int( producer_properties, "end_of_clip" ) )
+ {
+ // Get the position
+ double position = mlt_properties_get_double( producer_properties, "dub_position" );
+
+ // We need a frame from the producer
+ mlt_frame producer_frame;
+
+ // Seek to the position
+ mlt_producer_seek_frame( producer, ( int64_t )position );
+
+ // Get the next frame
+ producer->get_frame( producer, &producer_frame, 0 );
+
+ if ( !mlt_properties_get_int( producer_properties, "end_of_clip" ) )
+ {
+ // Now get the audio from this frame
+ producer_frame->get_audio( producer_frame, buffer, format, frequency, channels, samples );
+
+ // This producer frame will be destroyed automatically when frame is destroyed
+ mlt_properties_set_data( frame_properties, "ffmpeg_dub_frame", producer_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
+
+ // Incrment the position
+ mlt_properties_set_double( producer_properties, "dub_position", position + 1 );
+ }
+ }
+
+ return 0;
+}
+
+/** Filter processing.
+*/
+
+static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
+{
+ // Obtain the filter properties
+ mlt_properties filter_properties = mlt_filter_properties( this );
+
+ // Get the producer used.
+ mlt_producer producer = mlt_properties_get_data( filter_properties, "producer", NULL );
+
+ // Obtain the frame properties
+ mlt_properties frame_properties = mlt_frame_properties( frame );
+
+ // Backup the original get_audio (it's still needed)
+ mlt_properties_set_data( frame_properties, "get_audio", frame->get_audio, 0, NULL, NULL );
+
+ // Pass the producer on the frame
+ mlt_properties_set_data( frame_properties, "producer", producer, 0, NULL, NULL );
+
+ // Override the get_audio method
+ frame->get_audio = filter_get_audio;
+
+ return frame;
+}
+
+/** Constructor for the filter.
+*/
+
+mlt_filter filter_ffmpeg_dub_init( char *file )
+{
+ // Create the filter object
+ mlt_filter this = calloc( sizeof( struct mlt_filter_s ), 1 );
+
+ // Initialise it
+ mlt_filter_init( this, NULL );
+
+ // Overide the filter process method
+ this->process = filter_process;
+
+ // Obtain the properties
+ mlt_properties properties = mlt_filter_properties( this );
+
+ // Create an ffmpeg producer
+ mlt_producer producer = mlt_factory_producer( "ffmpeg", file );
+
+ // Pass the producer
+ mlt_properties_set_data( properties, "producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL );
+
+ // Initialise the audio frame position
+ mlt_properties_set_double( properties, "dub_position", 0 );
+
+ return this;
+}
+
--- /dev/null
+/*
+ * filter_ffmpeg_dub.h -- simple ffmpeg dub test case
+ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * 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.
+ */
+
+#ifndef _FILTER_FFMPEG_DUB_H_
+#define _FILTER_FFMPEG_DUB_H_
+
+#include <framework/mlt_filter.h>
+
+extern mlt_filter filter_ffmpeg_dub_init( char *file );
+
+#endif
mlt_properties properties = mlt_frame_properties( this );
producer_ffmpeg producer = mlt_properties_get_data( properties, "producer_ffmpeg", NULL );
+ mlt_properties producer_properties = mlt_producer_properties( &producer->parent );
int skip = mlt_properties_get_int( properties, "skip" );
producer->end_of_audio = 1;
}
}
- while( skip -- );
+ while( producer->audio != NULL && skip -- );
}
else
{
// Pass the data on the frame properties
mlt_properties_set_data( properties, "audio", *buffer, size, free, NULL );
+ // Set the producer properties
+ mlt_properties_set_int( producer_properties, "end_of_clip", producer->end_of_video && producer->end_of_audio );
+
return 0;
}
gap ++;
}
}
+ mlt_properties_set_timecode( properties, "out", this->count );
+ mlt_properties_set_timecode( properties, "playtime", this->count );
}
else if ( strstr( filename, "/.all." ) != NULL )
{
free( de[ i ] );
}
+ mlt_properties_set_timecode( properties, "out", this->count );
+ mlt_properties_set_timecode( properties, "playtime", this->count );
free( de );
free( dir_name );
}
{
this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
this->filenames[ this->count ++ ] = strdup( filename );
+ mlt_properties_set_timecode( properties, "out", 1 );
+ mlt_properties_set_timecode( properties, "playtime", 1 );
}
// Initialise gobject types
TARGET = ../libmltffmpeg.so
OBJS = factory.o \
- producer_ffmpeg.o
+ producer_ffmpeg.o \
+ filter_ffmpeg_dub.o
CFLAGS = -I../../ -Wall -g -D_FILE_OFFSET_BITS=64 -pthread
ffmpeg libmltffmpeg.so
EOF
+cat << EOF >> ../filters.dat
+ffmpeg_dub libmltffmpeg.so
+EOF
+
fi
#include <string.h>
#include "producer_ffmpeg.h"
+#include "filter_ffmpeg_dub.h"
void *mlt_create_producer( char *id, void *arg )
{
void *mlt_create_filter( char *id, void *arg )
{
+ if ( !strcmp( id, "ffmpeg_dub" ) )
+ return filter_ffmpeg_dub_init( arg );
return NULL;
}
--- /dev/null
+/*
+ * filter_ffmpeg_dub.c -- simple ffmpeg dub test case
+ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * 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.
+ */
+
+#include "filter_ffmpeg_dub.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <framework/mlt.h>
+
+/** Do it.
+*/
+
+static int filter_get_audio( mlt_frame frame, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
+{
+ // Obtain the frame properties
+ mlt_properties frame_properties = mlt_frame_properties( frame );
+
+ // Get the producer used.
+ mlt_producer producer = mlt_properties_get_data( frame_properties, "producer", NULL );
+
+ // Get the producer properties
+ mlt_properties producer_properties = mlt_producer_properties( producer );
+
+ // Get the original get_audio
+ int ( *get_audio )( mlt_frame, int16_t **, mlt_audio_format *, int *, int *, int * ) = mlt_properties_get_data( frame_properties, "get_audio", NULL );
+
+ // Call the original get_audio
+ get_audio( frame, buffer, format, frequency, channels, samples );
+
+ // Now if our producer is still producing, override the audio
+ if ( !mlt_properties_get_int( producer_properties, "end_of_clip" ) )
+ {
+ // Get the position
+ double position = mlt_properties_get_double( producer_properties, "dub_position" );
+
+ // We need a frame from the producer
+ mlt_frame producer_frame;
+
+ // Seek to the position
+ mlt_producer_seek_frame( producer, ( int64_t )position );
+
+ // Get the next frame
+ producer->get_frame( producer, &producer_frame, 0 );
+
+ if ( !mlt_properties_get_int( producer_properties, "end_of_clip" ) )
+ {
+ // Now get the audio from this frame
+ producer_frame->get_audio( producer_frame, buffer, format, frequency, channels, samples );
+
+ // This producer frame will be destroyed automatically when frame is destroyed
+ mlt_properties_set_data( frame_properties, "ffmpeg_dub_frame", producer_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
+
+ // Incrment the position
+ mlt_properties_set_double( producer_properties, "dub_position", position + 1 );
+ }
+ }
+
+ return 0;
+}
+
+/** Filter processing.
+*/
+
+static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
+{
+ // Obtain the filter properties
+ mlt_properties filter_properties = mlt_filter_properties( this );
+
+ // Get the producer used.
+ mlt_producer producer = mlt_properties_get_data( filter_properties, "producer", NULL );
+
+ // Obtain the frame properties
+ mlt_properties frame_properties = mlt_frame_properties( frame );
+
+ // Backup the original get_audio (it's still needed)
+ mlt_properties_set_data( frame_properties, "get_audio", frame->get_audio, 0, NULL, NULL );
+
+ // Pass the producer on the frame
+ mlt_properties_set_data( frame_properties, "producer", producer, 0, NULL, NULL );
+
+ // Override the get_audio method
+ frame->get_audio = filter_get_audio;
+
+ return frame;
+}
+
+/** Constructor for the filter.
+*/
+
+mlt_filter filter_ffmpeg_dub_init( char *file )
+{
+ // Create the filter object
+ mlt_filter this = calloc( sizeof( struct mlt_filter_s ), 1 );
+
+ // Initialise it
+ mlt_filter_init( this, NULL );
+
+ // Overide the filter process method
+ this->process = filter_process;
+
+ // Obtain the properties
+ mlt_properties properties = mlt_filter_properties( this );
+
+ // Create an ffmpeg producer
+ mlt_producer producer = mlt_factory_producer( "ffmpeg", file );
+
+ // Pass the producer
+ mlt_properties_set_data( properties, "producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL );
+
+ // Initialise the audio frame position
+ mlt_properties_set_double( properties, "dub_position", 0 );
+
+ return this;
+}
+
--- /dev/null
+/*
+ * filter_ffmpeg_dub.h -- simple ffmpeg dub test case
+ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * 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.
+ */
+
+#ifndef _FILTER_FFMPEG_DUB_H_
+#define _FILTER_FFMPEG_DUB_H_
+
+#include <framework/mlt_filter.h>
+
+extern mlt_filter filter_ffmpeg_dub_init( char *file );
+
+#endif
mlt_properties properties = mlt_frame_properties( this );
producer_ffmpeg producer = mlt_properties_get_data( properties, "producer_ffmpeg", NULL );
+ mlt_properties producer_properties = mlt_producer_properties( &producer->parent );
int skip = mlt_properties_get_int( properties, "skip" );
producer->end_of_audio = 1;
}
}
- while( skip -- );
+ while( producer->audio != NULL && skip -- );
}
else
{
// Pass the data on the frame properties
mlt_properties_set_data( properties, "audio", *buffer, size, free, NULL );
+ // Set the producer properties
+ mlt_properties_set_int( producer_properties, "end_of_clip", producer->end_of_video && producer->end_of_audio );
+
return 0;
}
gap ++;
}
}
+ mlt_properties_set_timecode( properties, "out", this->count );
+ mlt_properties_set_timecode( properties, "playtime", this->count );
}
else if ( strstr( filename, "/.all." ) != NULL )
{
free( de[ i ] );
}
+ mlt_properties_set_timecode( properties, "out", this->count );
+ mlt_properties_set_timecode( properties, "playtime", this->count );
free( de );
free( dir_name );
}
{
this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
this->filenames[ this->count ++ ] = strdup( filename );
+ mlt_properties_set_timecode( properties, "out", 1 );
+ mlt_properties_set_timecode( properties, "playtime", 1 );
}
// Initialise gobject types
projects / mlt / commitdiff