somewhat cleanup

28 files changed, 0 insertions, 2586 deletions

diff --git a/api-example.c b/api-example.c
deleted file mode 100644
index fb48b1f..0000000
--- a/api-example.c
+++ /dev/null
@@ -1,458 +0,0 @@
-/*
- * copyright (c) 2001 Fabrice Bellard
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg 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.
- *
- * FFmpeg 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * avcodec API use example.
- *
- * Note that this library only handles codecs (mpeg, mpeg4, etc...),
- * not file formats (avi, vob, etc...). See library 'libavformat' for the
- * format handling
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#ifdef HAVE_AV_CONFIG_H
-#undef HAVE_AV_CONFIG_H
-#endif
-
-#include "libavcodec/avcodec.h"
-#include "libavutil/mathematics.h"
-
-#define INBUF_SIZE 4096
-
-/*
- * Audio encoding example
- */
-static void audio_encode_example(const char *filename)
-{
-    AVCodec *codec;
-    AVCodecContext *c= NULL;
-    int frame_size, i, j, out_size, outbuf_size;
-    FILE *f;
-    short *samples;
-    float t, tincr;
-    uint8_t *outbuf;
-
-    printf("Audio encoding\n");
-
-    /* find the MP2 encoder */
-    codec = avcodec_find_encoder(CODEC_ID_MP2);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    c= avcodec_alloc_context();
-
-    /* put sample parameters */
-    c->bit_rate = 64000;
-    c->sample_rate = 44100;
-    c->channels = 2;
-
-    /* open it */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    /* the codec gives us the frame size, in samples */
-    frame_size = c->frame_size;
-    samples = malloc(frame_size * 2 * c->channels);
-    outbuf_size = 10000;
-    outbuf = malloc(outbuf_size);
-
-    f = fopen(filename, "wb");
-    if (!f) {
-        fprintf(stderr, "could not open %s\n", filename);
-        exit(1);
-    }
-
-    /* encode a single tone sound */
-    t = 0;
-    tincr = 2 * M_PI * 440.0 / c->sample_rate;
-    for(i=0;i<200;i++) {
-        for(j=0;j<frame_size;j++) {
-            samples[2*j] = (int)(sin(t) * 10000);
-            samples[2*j+1] = samples[2*j];
-            t += tincr;
-        }
-        /* encode the samples */
-        out_size = avcodec_encode_audio(c, outbuf, outbuf_size, samples);
-        fwrite(outbuf, 1, out_size, f);
-    }
-    fclose(f);
-    free(outbuf);
-    free(samples);
-
-    avcodec_close(c);
-    av_free(c);
-}
-
-/*
- * Audio decoding.
- */
-static void audio_decode_example(const char *outfilename, const char *filename)
-{
-    AVCodec *codec;
-    AVCodecContext *c= NULL;
-    int out_size, len;
-    FILE *f, *outfile;
-    uint8_t *outbuf;
-    uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
-    AVPacket avpkt;
-
-    av_init_packet(&avpkt);
-
-    printf("Audio decoding\n");
-
-    /* find the mpeg audio decoder */
-    codec = avcodec_find_decoder(CODEC_ID_MP2);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    c= avcodec_alloc_context();
-
-    /* open it */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    outbuf = malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE);
-
-    f = fopen(filename, "rb");
-    if (!f) {
-        fprintf(stderr, "could not open %s\n", filename);
-        exit(1);
-    }
-    outfile = fopen(outfilename, "wb");
-    if (!outfile) {
-        av_free(c);
-        exit(1);
-    }
-
-    /* decode until eof */
-    avpkt.data = inbuf;
-    for(;;) {
-        avpkt.size = fread(inbuf, 1, INBUF_SIZE, f);
-        if (avpkt.size == 0)
-            break;
-
-        avpkt.data = inbuf;
-        while (avpkt.size > 0) {
-            out_size = AVCODEC_MAX_AUDIO_FRAME_SIZE;
-            len = avcodec_decode_audio3(c, (short *)outbuf, &out_size, &avpkt);
-            if (len < 0) {
-                fprintf(stderr, "Error while decoding\n");
-                exit(1);
-            }
-            if (out_size > 0) {
-                /* if a frame has been decoded, output it */
-                fwrite(outbuf, 1, out_size, outfile);
-            }
-            avpkt.size -= len;
-            avpkt.data += len;
-        }
-    }
-
-    fclose(outfile);
-    fclose(f);
-    free(outbuf);
-
-    avcodec_close(c);
-    av_free(c);
-}
-
-/*
- * Video encoding example
- */
-static void video_encode_example(const char *filename)
-{
-    AVCodec *codec;
-    AVCodecContext *c= NULL;
-    int i, out_size, size, x, y, outbuf_size;
-    FILE *f;
-    AVFrame *picture;
-    uint8_t *outbuf, *picture_buf;
-
-    printf("Video encoding\n");
-
-    /* find the mpeg1 video encoder */
-    codec = avcodec_find_encoder(CODEC_ID_MPEG1VIDEO);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    c= avcodec_alloc_context();
-    picture= avcodec_alloc_frame();
-
-    /* put sample parameters */
-    c->bit_rate = 400000;
-    /* resolution must be a multiple of two */
-    c->width = 352;
-    c->height = 288;
-    /* frames per second */
-    c->time_base= (AVRational){1,25};
-    c->gop_size = 10; /* emit one intra frame every ten frames */
-    c->max_b_frames=1;
-    c->pix_fmt = PIX_FMT_YUV420P;
-
-    /* open it */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    f = fopen(filename, "wb");
-    if (!f) {
-        fprintf(stderr, "could not open %s\n", filename);
-        exit(1);
-    }
-
-    /* alloc image and output buffer */
-    outbuf_size = 100000;
-    outbuf = malloc(outbuf_size);
-    size = c->width * c->height;
-    picture_buf = malloc((size * 3) / 2); /* size for YUV 420 */
-
-    picture->data[0] = picture_buf;
-    picture->data[1] = picture->data[0] + size;
-    picture->data[2] = picture->data[1] + size / 4;
-    picture->linesize[0] = c->width;
-    picture->linesize[1] = c->width / 2;
-    picture->linesize[2] = c->width / 2;
-
-    /* encode 1 second of video */
-    for(i=0;i<25;i++) {
-        fflush(stdout);
-        /* prepare a dummy image */
-        /* Y */
-        for(y=0;y<c->height;y++) {
-            for(x=0;x<c->width;x++) {
-                picture->data[0][y * picture->linesize[0] + x] = x + y + i * 3;
-            }
-        }
-
-        /* Cb and Cr */
-        for(y=0;y<c->height/2;y++) {
-            for(x=0;x<c->width/2;x++) {
-                picture->data[1][y * picture->linesize[1] + x] = 128 + y + i * 2;
-                picture->data[2][y * picture->linesize[2] + x] = 64 + x + i * 5;
-            }
-        }
-
-        /* encode the image */
-        out_size = avcodec_encode_video(c, outbuf, outbuf_size, picture);
-        printf("encoding frame %3d (size=%5d)\n", i, out_size);
-        fwrite(outbuf, 1, out_size, f);
-    }
-
-    /* get the delayed frames */
-    for(; out_size; i++) {
-        fflush(stdout);
-
-        out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
-        printf("write frame %3d (size=%5d)\n", i, out_size);
-        fwrite(outbuf, 1, out_size, f);
-    }
-
-    /* add sequence end code to have a real mpeg file */
-    outbuf[0] = 0x00;
-    outbuf[1] = 0x00;
-    outbuf[2] = 0x01;
-    outbuf[3] = 0xb7;
-    fwrite(outbuf, 1, 4, f);
-    fclose(f);
-    free(picture_buf);
-    free(outbuf);
-
-    avcodec_close(c);
-    av_free(c);
-    av_free(picture);
-    printf("\n");
-}
-
-/*
- * Video decoding example
- */
-
-static void pgm_save(unsigned char *buf, int wrap, int xsize, int ysize,
-                     char *filename)
-{
-    FILE *f;
-    int i;
-
-    f=fopen(filename,"w");
-    fprintf(f,"P5\n%d %d\n%d\n",xsize,ysize,255);
-    for(i=0;i<ysize;i++)
-        fwrite(buf + i * wrap,1,xsize,f);
-    fclose(f);
-}
-
-static void video_decode_example(const char *outfilename, const char *filename)
-{
-    AVCodec *codec;
-    AVCodecContext *c= NULL;
-    int frame, got_picture, len;
-    FILE *f;
-    AVFrame *picture;
-    uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
-    char buf[1024];
-    AVPacket avpkt;
-
-    av_init_packet(&avpkt);
-
-    /* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) */
-    memset(inbuf + INBUF_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
-
-    printf("Video decoding\n");
-
-    /* find the mpeg1 video decoder */
-    codec = avcodec_find_decoder(CODEC_ID_MPEG1VIDEO);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    c= avcodec_alloc_context();
-    picture= avcodec_alloc_frame();
-
-    if(codec->capabilities&CODEC_CAP_TRUNCATED)
-        c->flags|= CODEC_FLAG_TRUNCATED; /* we do not send complete frames */
-
-    /* For some codecs, such as msmpeg4 and mpeg4, width and height
-       MUST be initialized there because this information is not
-       available in the bitstream. */
-
-    /* open it */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    /* the codec gives us the frame size, in samples */
-
-    f = fopen(filename, "rb");
-    if (!f) {
-        fprintf(stderr, "could not open %s\n", filename);
-        exit(1);
-    }
-
-    frame = 0;
-    for(;;) {
-        avpkt.size = fread(inbuf, 1, INBUF_SIZE, f);
-        if (avpkt.size == 0)
-            break;
-
-        /* NOTE1: some codecs are stream based (mpegvideo, mpegaudio)
-           and this is the only method to use them because you cannot
-           know the compressed data size before analysing it.
-
-           BUT some other codecs (msmpeg4, mpeg4) are inherently frame
-           based, so you must call them with all the data for one
-           frame exactly. You must also initialize 'width' and
-           'height' before initializing them. */
-
-        /* NOTE2: some codecs allow the raw parameters (frame size,
-           sample rate) to be changed at any frame. We handle this, so
-           you should also take care of it */
-
-        /* here, we use a stream based decoder (mpeg1video), so we
-           feed decoder and see if it could decode a frame */
-        avpkt.data = inbuf;
-        while (avpkt.size > 0) {
-            len = avcodec_decode_video2(c, picture, &got_picture, &avpkt);
-            if (len < 0) {
-                fprintf(stderr, "Error while decoding frame %d\n", frame);
-                exit(1);
-            }
-            if (got_picture) {
-                printf("saving frame %3d\n", frame);
-                fflush(stdout);
-
-                /* the picture is allocated by the decoder. no need to
-                   free it */
-                snprintf(buf, sizeof(buf), outfilename, frame);
-                pgm_save(picture->data[0], picture->linesize[0],
-                         c->width, c->height, buf);
-                frame++;
-            }
-            avpkt.size -= len;
-            avpkt.data += len;
-        }
-    }
-
-    /* some codecs, such as MPEG, transmit the I and P frame with a
-       latency of one frame. You must do the following to have a
-       chance to get the last frame of the video */
-    avpkt.data = NULL;
-    avpkt.size = 0;
-    len = avcodec_decode_video2(c, picture, &got_picture, &avpkt);
-    if (got_picture) {
-        printf("saving last frame %3d\n", frame);
-        fflush(stdout);
-
-        /* the picture is allocated by the decoder. no need to
-           free it */
-        snprintf(buf, sizeof(buf), outfilename, frame);
-        pgm_save(picture->data[0], picture->linesize[0],
-                 c->width, c->height, buf);
-        frame++;
-    }
-
-    fclose(f);
-
-    avcodec_close(c);
-    av_free(c);
-    av_free(picture);
-    printf("\n");
-}
-
-int main(int argc, char **argv)
-{
-    const char *filename;
-
-    /* must be called before using avcodec lib */
-    avcodec_init();
-
-    /* register all the codecs */
-    avcodec_register_all();
-
-    if (argc <= 1) {
-        audio_encode_example("/tmp/test.mp2");
-        audio_decode_example("/tmp/test.sw", "/tmp/test.mp2");
-
-        video_encode_example("/tmp/test.mpg");
-        filename = "/tmp/test.mpg";
-    } else {
-        filename = argv[1];
-    }
-
-    //    audio_decode_example("/tmp/test.sw", filename);
-    video_decode_example("/tmp/test%d.pgm", filename);
-
-    return 0;
-}
diff --git a/audioLoader.xml b/audioLoader.xml
deleted file mode 100644
index 3b39405..0000000
--- a/audioLoader.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<node ID="01" type="audioLoader">music track to analyse
-	<output ID="01" type="graph">beat (sawtooth)</output>
-	<output ID="02" type="graph">pitch</output>
-	<output ID="03" type="graph">excitement</output>
-</node>
\ No newline at end of file
diff --git a/avcodec_audio_example.c b/avcodec_audio_example.c
deleted file mode 100644
index 236b976..0000000
--- a/avcodec_audio_example.c
+++ /dev/null
@@ -1,114 +0,0 @@
-int main(int argc, char **argv)
-{
-
-    const char* input_filename=argv[1];
-
-    //avcodec_register_all();
-    av_register_all();
-    //av_ini
-
-    AVFormatContext* container=avformat_alloc_context();
-    if(avformat_open_input(&container,input_filename,NULL,NULL)<0){
-        die("Could not open file");
-    }
-
-    if(av_find_stream_info(container)<0){
-        die("Could not find file info");
-    }
-    av_dump_format(container,0,input_filename,false);
-
-    int stream_id=-1;
-    int i;
-    for(i=0;i<container->nb_streams;i++){
-        if(container->streams[i]->codec->codec_type==AVMEDIA_TYPE_AUDIO){
-            stream_id=i;
-            break;
-        }
-    }
-    if(stream_id==-1){
-        die("Could not find Audio Stream");
-    }
-
-    AVDictionary *metadata=container->metadata;
-
-    AVCodecContext *ctx=container->streams[stream_id]->codec;
-    AVCodec *codec=avcodec_find_decoder(ctx->codec_id);
-
-    if(codec==NULL){
-        die("cannot find codec!");
-    }
-
-    if(avcodec_open(ctx,codec)<0){
-        die("Codec cannot be found");
-    }
-
-    //ctx=avcodec_alloc_context3(codec);
-
-    //initialize AO lib
-    ao_initialize();
-
-    int driver=ao_default_driver_id();
-
-    ao_sample_format sformat;
-    AVSampleFormat sfmt=ctx->sample_fmt;
-    if(sfmt==AV_SAMPLE_FMT_U8){
-        printf("U8\n");
-
-        sformat.bits=8;
-    }else if(sfmt==AV_SAMPLE_FMT_S16){
-        printf("S16\n");
-        sformat.bits=16;
-    }else if(sfmt==AV_SAMPLE_FMT_S32){
-        printf("S32\n");
-        sformat.bits=32;
-    }
-
-    sformat.channels=ctx->channels;
-    sformat.rate=ctx->sample_rate;
-    sformat.byte_format=AO_FMT_NATIVE;
-    sformat.matrix=0;
-
-    ao_device *adevice=ao_open_live(driver,&sformat,NULL);
-    //end of init AO LIB
-
-    AVPacket packet;
-    av_init_packet(&packet);
-
-    AVFrame *frame=avcodec_alloc_frame();
-
-
-
-    int buffer_size=AVCODEC_MAX_AUDIO_FRAME_SIZE+ FF_INPUT_BUFFER_PADDING_SIZE;;
-    uint8_t buffer[buffer_size];
-    packet.data=buffer;
-    packet.size =buffer_size;
-
-
-
-    int len;
-    int frameFinished=0;
-    while(av_read_frame(container,&packet)>=0)
-    {
-
-        if(packet.stream_index==stream_id){
-            //printf("Audio Frame read  \n");
-            int len=avcodec_decode_audio4(ctx,frame,&frameFinished,&packet);
-            //frame->
-            if(frameFinished){
-                //printf("Finished reading Frame len : %d , nb_samples:%d buffer_size:%d line size: %d \n",len,frame->nb_samples,buffer_size,frame->linesize[0]);
-                ao_play(adevice, (char*)frame->extended_data[0],frame->linesize[0] );
-            }else{
-                //printf("Not Finished\n");
-            }
-
-        }else {
-            printf("Someother packet possibly Video\n");
-        }
-
-
-    }
-
-    av_close_input_file(container);
-    ao_shutdown();
-    return 0;
-}
\ No newline at end of file
diff --git a/avcodec_audio_example1.c b/avcodec_audio_example1.c
deleted file mode 100644
index b296c00..0000000
--- a/avcodec_audio_example1.c
+++ /dev/null
@@ -1,93 +0,0 @@
-bool Render_context::load_audio(string &filename){
-	//load audio into memory and create thumbnail
-	AVCodec *codec;
-	AVCodecContext *c= NULL;
-	int len;
-	FILE *f;
-	uint8_t inbuf[AUDIO_INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
-	AVPacket avpkt;
-	AVFrame *decoded_frame = NULL;
-
-	av_init_packet(&avpkt);
-
-	// http://stackoverflow.com/questions/9799560/decode-audio-using-libavcodec-and-play-using-libao
-	
-	/* find the mpeg audio decoder */
-	codec = avcodec_find_decoder(AV_CODEC_ID_MP2);
-	if (!codec) {
-		fprintf(stderr, "Codec not found\n");
-		return false;
-	}
-
-	c = avcodec_alloc_context3(codec);
-	if (!c) {
-		fprintf(stderr, "Could not allocate audio codec context\n");
-		return false;
-	}
-
-	/* open it */
-	if (avcodec_open2(c, codec, NULL) < 0) {
-		fprintf(stderr, "Could not open codec\n");
-		return false;
-	}
-
-	f = fopen(filename.c_str(), "rb");
-	if (!f) {
-		fprintf(stderr, "Could not open %s\n", filename.c_str());
-		return false;
-	}
-
-	/* decode until eof */
-	avpkt.data = inbuf;
-	avpkt.size = fread(inbuf, 1, AUDIO_INBUF_SIZE, f);
-
-	while (avpkt.size > 0) {
-		int got_frame = 0;
-
-		if (!decoded_frame) {
-			if (!(decoded_frame = avcodec_alloc_frame())) {
-				printf("Could not allocate audio frame\n");
-			return false;
-			}
-		} else
-		avcodec_get_frame_defaults(decoded_frame);
-
-		len = avcodec_decode_audio4(c, decoded_frame, &got_frame, &avpkt);
-		if (len < 0) {
-			fprintf(stderr, "Error while decoding\n");
-			return false;
-		}
-		if (got_frame) {
-			/* if a frame has been decoded, output it */
-			int data_size = av_samples_get_buffer_size(NULL, c->channels,decoded_frame->nb_samples,c->sample_fmt, 1);
-			//fwrite(decoded_frame->data[0], 1, data_size, outfile);
-			
-			//here is where we do something with the data
-			//is it best to buffer it or do do all processing within a loop like this?
-			
-		}
-		avpkt.size -= len;
-		avpkt.data += len;
-		avpkt.dts =
-		avpkt.pts = AV_NOPTS_VALUE;
-		if (avpkt.size < AUDIO_REFILL_THRESH) {
-			/* Refill the input buffer, to avoid trying to decode
-			* incomplete frames. Instead of this, one could also use
-			* a parser, or use a proper container format through
-			* libavformat. */
-			memmove(inbuf, avpkt.data, avpkt.size);
-			avpkt.data = inbuf;
-			len = fread(avpkt.data + avpkt.size, 1,AUDIO_INBUF_SIZE - avpkt.size, f);
-			if (len > 0)
-			avpkt.size += len;
-		}
-	}
-
-	fclose(f);
-
-	avcodec_close(c);
-	av_free(c);
-	avcodec_free_frame(&decoded_frame);
-    
-	return true;
-}
\ No newline at end of file
diff --git a/avcodec_audio_example2.c b/avcodec_audio_example2.c
deleted file mode 100644
index 6546d3f..0000000
--- a/avcodec_audio_example2.c
+++ /dev/null
@@ -1,143 +0,0 @@
-//this seems to be obsolete!!!!!!!!!!!!!!!!!
-
-
-
-
-bool Render_context::load_audio(string &filename){
-	//load audio into memory and create thumbnail
-	
-	av_register_all();
-	avcodec_register_all();
-    //av_register_all();
-    //av_ini
-
-    AVFormatContext* container=avformat_alloc_context();
-    if(avformat_open_input(&container,filename.c_str(),NULL,NULL)<0){
-	cerr << "Could not open file" << endl;
-	return false;
-    }
-
-//header in avformat.h definition in utils.c in ffmpeg/libavformat
-//int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options)
-//set input or dictionary??
-    
-    
-    if(av_find_stream_info(container)<0){
-       cerr << "Could not find file info"<< endl;
-	return false;
-    }
-    
-    //added to try and locate missing audio streams
-    //container->flags |= AVFMT_FLAG_NONBLOCK;
-    //
-    cerr << "found " << container->nb_streams << " streams" << endl;
-    av_dump_format(container,0,filename.c_str(),false);
-    cerr << "found " << container->nb_streams << " streams" << endl;
-    
-    //typedef struct AVFormatContext {
-    // unsigned int nb_streams;
-    //AVStream **streams;
-    /**
-     * A list of all streams in the file. New streams are created with
-     * avformat_new_stream().
-     *
-     * decoding: streams are created by libavformat in avformat_open_input().
-     * If AVFMTCTX_NOHEADER is set in ctx_flags, thandroid on linux i386en new streams may also
-     * appear in av_read_frame().
-     * encoding: streams are created by the user before avformat_write_header().
-     */
-    
-    int stream_id=-1;
-    int i;
-    for(i=0;i<container->nb_streams;i++){
-	cerr << "stream " << i << ": codec type " << container->streams[i]->codec->codec_type << endl;
-        if(container->streams[i]->codec->codec_type==AVMEDIA_TYPE_AUDIO){
-            stream_id=i;
-            break;
-        }
-    }
-    if(stream_id==-1){
-        cerr << "Could not find Audio Stream"<< endl;
-	return false;
-    }
-
-    AVDictionary *metadata=container->metadata;
-
-    AVCodecContext *ctx=container->streams[stream_id]->codec;
-    AVCodec *codec=avcodec_find_decoder(ctx->codec_id);
-
-    if(codec==NULL){
-        cerr <<"cannot find codec!"<< endl;
-	return false;
-    }
-
-    if(avcodec_open(ctx,codec)<0){
-        cerr <<"Codec cannot be found"<< endl;
-	return false;
-    }
-
-    //ctx=avcodec_alloc_context3(codec);
-
-    AVSampleFormat sfmt=ctx->sample_fmt;
-    if(sfmt==AV_SAMPLE_FMT_U8){
-        printf("U8\n");
-
-        //sformat.bits=8;
-    }else if(sfmt==AV_SAMPLE_FMT_S16){
-        printf("S16\n");
-        //sformat.bits=16;
-    }else if(sfmt==AV_SAMPLE_FMT_S32){
-        printf("S32\n");
-        //sformat.bits=32;
-    }
-
-   // sformat.channels=ctx->channels;
-  //  sformat.rate=ctx->sample_rate;
- //   sformat.byte_format=AO_FMT_NATIVE;
-//    sformat.matrix=0;
-
-
-
-    AVPacket packet;
-    av_init_packet(&packet);
-
-    AVFrame *frame=avcodec_alloc_frame();
-
-
-
-    int buffer_size=AVCODEC_MAX_AUDIO_FRAME_SIZE+ FF_INPUT_BUFFER_PADDING_SIZE;;
-    uint8_t buffer[buffer_size];
-    packet.data=buffer;
-    packet.size =buffer_size;
-
-
-
-    int len;
-    int frameFinished=0;
-    while(av_read_frame(container,&packet)>=0)
-    {
-
-        if(packet.stream_index==stream_id){
-            //printf("Audio Frame read  \n");
-            int len=avcodec_decode_audio4(ctx,frame,&frameFinished,&packet);
-            //frame->
-            if(frameFinished){
-                //printf("Finished reading Frame len : %d , nb_samples:%d buffer_size:%d line size: %d \n",len,frame->nb_samples,buffer_size,frame->linesize[0]);
-                //ao_play(adevice, (char*)frame->extended_data[0],frame->linesize[0] );
-		
-		//DO SOMETHING WITH THE DATA HERE
-            }else{
-                //printf("Not Finished\n");
-            }
-
-        }else {
-            cerr << "Avcodec found some other packet possibly Video\n";
-        }
-
-
-    }
-
-    av_close_input_file(container);
-    
-	return true;
-}
\ No newline at end of file
diff --git a/avcodec_audio_example3-c++11.c b/avcodec_audio_example3-c++11.c
deleted file mode 100644
index ddb88db..0000000
--- a/avcodec_audio_example3-c++11.c
+++ /dev/null
@@ -1,120 +0,0 @@
-	av_register_all();
-	
-	std::shared_ptr<AVFormatContext> avFormat(avformat_alloc_context(), &avformat_free_context);
-	
-	auto avFormatPtr = avFormat.get();
-	if (avformat_open_input(&avFormatPtr,filename.c_str(),nullptr, nullptr) != 0) {
-		cerr <<"Rotor: Error while calling avformat_open_input (probably invalid file format)" << endl;
-		return false;
-	}
-
-	if (avformat_find_stream_info(avFormat.get(), nullptr) < 0) {
-		cerr << "Rotor: Error while calling avformat_find_stream_info" << endl;
-		return false;
-	}
-	
-	av_dump_format(avFormat.get(), 0, 0, false); //avformat.h line 1256
-
-	AVStream* stream = nullptr;
-	for (unsigned int i = 0; i < avFormat->nb_streams; ++i) {
-		if (avFormat->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
-			// we've found a video stream!
-			stream = avFormat->streams[i];
-			break;
-		}
-	}
-	if (!stream) {
-		cerr <<"Rotor: Didn't find any audio stream in the file"<< endl;
-		return false;
-	}
-	
-	// getting the required codec structure
-	const auto codec = avcodec_find_decoder(stream->codec->codec_id); //returns AVCodec*
-	if (codec == nullptr) {
-		cerr <<"Rotor: Audio codec not available"<< endl;
-		return false;
-	}
-	
-	//AVCodecContext??  avFormat->streams[i]->codec 
-	
-	// allocating a structure
-	std::shared_ptr<AVCodecContext> audioCodec(avcodec_alloc_context3(codec), [](AVCodecContext* c) { avcodec_close(c); av_free(c); });
-
-	/* extradata???
-	// we need to make a copy of videoStream->codec->extradata and give it to the context
-	// make sure that this vector exists as long as the avVideoCodec exists
-	std::vector codecContextExtraData(stream->codec->extradata, stream->codec->extradata + stream->codec->extradata_size);
-	audioCodec->extradata = reinterpret_cast(codecContextExtraData.data());
-	audioCodec->extradata_size = codecContextExtraData.size();
-
-	// initializing the structure by opening the codec
-	if (avcodec_open2(avVideoCodec.get(), codec, nullptr) < 0) {
-		cerr <<"Rotor: Could not open codec"<< endl;
-		return false;
-	}
-	*/
-	
-	//avcodec.h line 1026
-	
-	
-	Packet packet(avFormat.get());
-	if (packet.packet.data == nullptr) {
-		//done
-		return true;
-	}
-	
-	cerr << "audio codec context -  sample rate: "<< audioCodec->sample_rate <<", channels: "<<audioCodec->channels<<", sample format: "<<audioCodec->sample_fmt<<endl;
-	
-	
-	do {
-		packet.reset(avFormat.get());
-		if (packet.packet.stream_index != stream->index)
-			continue;	// the packet is not about the video stream we want, let's jump again the start of the loop
-	} while(0);
-	
-	// allocating an AVFrame
-	std::shared_ptr<AVFrame> avFrame(avcodec_alloc_frame(), &av_free);
-
-	// the current packet of data
-	//Packet packet;
-	// data in the packet of data already processed
-	size_t offsetInData = 0;
-	
-	
-
-	/*
-	// the decoding loop, running until EOF
-	while (true) {
-		// reading a packet using libavformat
-		if (offsetInData >= packet.packet.size) {
-			do {
-				packet.reset(avFormat.get());
-				if (packet.stream_index != videoStream->index)
-					continue;
-			} while(0);
-		}
-
-		// preparing the packet that we will send to libavcodec
-		AVPacket packetToSend;
-		packetToSend.data = packet.packet.data + offsetInData;
-		packetToSend.size = packet.packet.size - offsetInData;
-		
-		// sending data to libavcodec
-		int isFrameAvailable = 0;
-		const auto processedLength = avcodec_decode_video2(avVideoCodec.get(), avFrame.get(), &isFrameAvailable, &packetToSend);
-		if (processedLength < 0) {
-			av_free_packet(&packet);
-			throw std::runtime_error("Error while processing the data");
-		}
-		offsetInData += processedLength;
-
-		// processing the image if available
-		if (isFrameAvailable) {
-			// display image on the screen
-
-			// sleeping until next frame
-			const auto msToWait = avVideoContext->ticks_per_frame * 1000 * avVideoContext->time_base.num / avVideoContext->time_base.den;
-			std::this_thread::sleep(std::chrono::milliseconds(msToWait));
-		}
-	}
-	*/
\ No newline at end of file
diff --git a/interfaces.h b/interfaces.h
deleted file mode 100644
index 0210ad8..0000000
--- a/interfaces.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-Native linux applicatioon with no graphic interface
-runs as a daemon and is managed remotely via socket etc
-
-debian - -any problems with proprietary codecs etc?
-
-is it called from ruby on rails?
-is the best way a RESTful interface?
-
-what's the best library to create a native server that implements http RESTful server
-??boost++??
-
-rendering- begins a thread
-eventually - manage threads and create new servers on EC2
-
-eventually - detailed memory management
-"rendering engine will probably be completely rewritten"
-
-the part that WON'T be rewritten is the meta-language that templates are written in
-
-renderGraph is a graph of loaded objects
-method to traverse graph, get preview image etc
-node knows where it sits on the canvas **here** - GUI doesn't keep its own state
-properties of a node - connections + time
-nodes are timeline based as well as flow- timeline is created when the song is analysed-
-
-node-time interface
-1- timeless node - applies equally to all frames
-2- node with in and out points - mainly for footage 
-3- node with absolute keyframes - added manually to relate to an actual song
-4- node with meta-keyframes - belonging to a template, these relate to instantiable music feature cues
-
-2 types of graphs - instanced and abstract
-
-
-*/
-
-class rotor_renderer() {
-	startRender(rotor_renderSettings *settings);
-	rotor_renderStatus getRenderStatus(rotor_threadID id);
-	rotor_renderProcess *activeRenders;
-};
-
-class rotor_renderSettings() {
-	vector<string> inputFiles;
-	rotor_renderGraphDescription graph;
-	string output;
-};
-
-class rotror_renderProcess() {
-};
-
-class rotor_managerInterface() {
-	TCPserver server;
-}
-
-class rotor_renderGraphManager() {
-	rotor_renderGraph renderGraph;
-	
-};
-
-class rotor_renderGraph() {
-};
-
-class rotor_renderNode() {
-};
-
-
diff --git a/interfaces01.h b/interfaces01.h
deleted file mode 100644
index 00971fc..0000000
--- a/interfaces01.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
-Native linux applicatioon with no graphic interface
-runs as a daemon and is managed remotely via socket etc
-
-debian - -any problems with proprietary codecs etc?
-
-is it called from ruby on rails?
-is the best way a RESTful interface?
-
-what's the best library to create a native server that implements http RESTful server
-??boost++??
-
-rendering- begins a thread
-eventually - manage threads and create new servers on EC2
-
-eventually - detailed memory management
-"rendering engine will probably be completely rewritten"
-
-the part that WON'T be rewritten is the meta-language that templates are written in
-
-renderGraph is a graph of loaded objects
-method to traverse graph, get preview image etc
-node knows where it sits on the canvas **here** - GUI doesn't keep its own state
-properties of a node - connections + time
-nodes are timeline based as well as flow- timeline is created when the song is analysed-
-
-node-time interface
-1- timeless node - applies equally to all frames
-2- node with in and out points - mainly for footage 
-3- node with absolute keyframes - added manually to relate to an actual song
-4- node with meta-keyframes - belonging to a template, these relate to instantiable music feature cues
-
-2 types of graphs - instanced and abstract - distinct?
-
-build it up from the smallest interface or down from the top?
-try and make the simplest interface that can support the described features
-
-==> for now, no distinction between instanced and abstract graph except filling in filenames etc
-
-using POCO application framework seems good
-what remains to be defined?
-
-*/
-
-class rotor_renderer {
-	startRender(rotor_renderSettings *settings);
-	rotor_renderStatus getRenderStatus(rotor_threadID id);
-	rotor_renderProcess *activeRenders;
-};
-
-class rotor_renderSettings {
-	vector<string> inputFiles;
-	rotor_renderGraphDescription graph;
-	string outputFile;
-	rotor_format renderFormat;
-};
-
-class rotor_format{
-	//describes the output format of a video render
-	string vcodec;
-	string acodec;
-	int w,h;	
-}
-
-class rotor_renderProcess {
-};
-
-class rotor_managerInterface {
-	TCPserver server;
-}
-
-class rotor_graphManager {
-	rotor_renderGraph renderGraph;
-	
-};
-
-class rotor_graph {
-};
-
-class rotor_node {
-};
-
-
diff --git a/interfaces02.h b/interfaces02.h
deleted file mode 100644
index 9960828..0000000
--- a/interfaces02.h
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
-requirement driven design
-
-do we store graphs as files or in a db with UUID as key?
-
-do we traverse the graph as direct recursive function calls or programmatically from outside?
-or keep a reference to the container graph in each node?
-
-graph parent;
-vector<signal_input> signal_inputs;
-vector<image_input> image_inputs;
-
-//in input
-int input_id;
-
-
-&image get_ouput()
-{
-	for (int i=0;i<inputs.size;i++){
-		if (inputs[i].input_id) parent.nodes[input_id].get_output(); ///how to find the output in the node? uids for everything?
-	}
-
-	render();
-	return &image_data;
-}
-
-OR
-
-for (int i=0;i<inputs.size;i++){
-	if (inputs[i].connection) inputs[i].connection->get_output(); ///methinks this is neater? you can check pointer for NULL, can't be ref
-}
-
-NO NODE HAS MORE THAN ONE OUTPUT
-WE DON'T LINK TO AN OUTPUT OBJECT WE LINK TO THE NODE - GET_OUTPUT IS THE RENDER FUNCTION
-
-settings - how do we deal with settings being controllable
-signal inputs can have a gui representation as well
-other gui items don't have an input
-
-scaling to come
-
-time is always in floating points seconds - time has to be requested when rendering - either a preview
-what about testing a float for equality?
-maybe we should look at time in int (frames) - - what does this imply
-
-
-
-*/
-
-#define ROTOR_READY 0
-#define ROTOR_ANALYSING_AUDIO 1
-#define ROTOR_CREATING_PREVIEW 2
-#define ROTOR_RENDERING 3
-
-namespace Rotor {
-	class Render_status{
-		public:
-			int id;
-			float progress;
-	}
-	class Render_requirements{
-		public:
-			int num_performances;
-			int num_clips;
-	}
-	class Render_context{							//Poco thread object
-												//manages access to the 'patchbay'
-												//high level interfaces for the wizard
-												//and low level interface onto the graph
-		public:
-			Render_status get_status();
-			void cancel();							//interrupt locking process
-			int make_preview(int nodeID, float time); 	//starts a frame preview - returns status code -  how to retrieve?
-			int load_graph(Poco::UUID uid);
-			Poco::UUID save_graph();					//returns UUID of saved graph
-			int load_audio(string filename);
-			Render_requirements get_requirements();
-			int load_video(int num,string filename);		//can be performance or clip
-		
-		private:
-			int status;
-			float progress;							//for a locking process: audio analysis or rendering
-			
-	}
-	class Graph{
-		public:
-			Poco::UUID uid;						//every version of a graph has a UUID
-		private:
-			unordered_map<int,Base_node> nodes;
-	}
-	class Input{
-		public:
-			Node* connection;
-			
-	};
-	class Image_input: public Base_input{
-		public:
-
-	};
-	class Signal_input: public Base_input{
-		public:
-
-	};
-	class Node{
-		public:
-			Poco::UUID uid;						//every usable node has a UUID
-			int id;
-			vector<Signal_input> inputs;				//simple node has signal inputs and outputs
-			void gather_inputs(float time) {
-				for (int i=0;i<inputs.size;i++){
-					if (inputs[i].connection) inputs[i].connection->get_output();
-				}
-			}
-			virtual &float get_ouput(float time);
-			
-	};
-	class Image_node: public Node{
-		public:
-			vector<Image_input> image_inputs;		//image node also has image inputs and outputs
-			void gather_inputs(float time) {
-				for (int i=0;i<inputs.size;i++){
-					if (inputs[i].connection) inputs[i].connection->get_output();
-				}
-			}
-			&Image get_ouput(float time){			//sample implementation
-				gather_inputs();
-				//do something: i.e
-				
-				//and then
-				return &image_data;
-			}
-			void get_preview(float time);
-		private:
-			Image* image; 						//this can be privately allocated or just passed on as the node see fit
-			float image_time;
-	};
-}
-
-/*
-coding style
-Types begin with a capital, use underscore as a seperator
-*/
\ No newline at end of file
diff --git a/libavformat_output-example.c b/libavformat_output-example.c
deleted file mode 100644
index 496b7f8..0000000
--- a/libavformat_output-example.c
+++ /dev/null
@@ -1,527 +0,0 @@
-/*
- * Copyright (c) 2003 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-/**
- * @file
- * libavformat API example.
- *
- * @example libavformat/output-example.c
- * Output a media file in any supported libavformat format.
- * The default codecs are used.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-
-#include "libavutil/mathematics.h"
-#include "libavformat/avformat.h"
-#include "libswscale/swscale.h"
-
-/* 5 seconds stream duration */
-#define STREAM_DURATION   5.0
-#define STREAM_FRAME_RATE 25 /* 25 images/s */
-#define STREAM_NB_FRAMES  ((int)(STREAM_DURATION * STREAM_FRAME_RATE))
-#define STREAM_PIX_FMT    AV_PIX_FMT_YUV420P /* default pix_fmt */
-
-static int sws_flags = SWS_BICUBIC;
-
-/**************************************************************/
-/* audio output */
-
-static float t, tincr, tincr2;
-static int16_t *samples;
-static int audio_input_frame_size;
-
-/*
- * add an audio output stream
- */
-static AVStream *add_audio_stream(AVFormatContext *oc, enum AVCodecID codec_id)
-{
-    AVCodecContext *c;
-    AVStream *st;
-    AVCodec *codec;
-
-    /* find the audio encoder */
-    codec = avcodec_find_encoder(codec_id);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    st = avformat_new_stream(oc, codec);
-    if (!st) {
-        fprintf(stderr, "Could not alloc stream\n");
-        exit(1);
-    }
-
-    c = st->codec;
-
-    /* put sample parameters */
-    c->sample_fmt  = AV_SAMPLE_FMT_S16;
-    c->bit_rate    = 64000;
-    c->sample_rate = 44100;
-    c->channels    = 2;
-
-    // some formats want stream headers to be separate
-    if (oc->oformat->flags & AVFMT_GLOBALHEADER)
-        c->flags |= CODEC_FLAG_GLOBAL_HEADER;
-
-    return st;
-}
-
-static void open_audio(AVFormatContext *oc, AVStream *st)
-{
-    AVCodecContext *c;
-
-    c = st->codec;
-
-    /* open it */
-    if (avcodec_open2(c, NULL, NULL) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    /* init signal generator */
-    t     = 0;
-    tincr = 2 * M_PI * 110.0 / c->sample_rate;
-    /* increment frequency by 110 Hz per second */
-    tincr2 = 2 * M_PI * 110.0 / c->sample_rate / c->sample_rate;
-
-    if (c->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)
-        audio_input_frame_size = 10000;
-    else
-        audio_input_frame_size = c->frame_size;
-    samples = av_malloc(audio_input_frame_size *
-                        av_get_bytes_per_sample(c->sample_fmt) *
-                        c->channels);
-}
-
-/* Prepare a 16 bit dummy audio frame of 'frame_size' samples and
- * 'nb_channels' channels. */
-static void get_audio_frame(int16_t *samples, int frame_size, int nb_channels)
-{
-    int j, i, v;
-    int16_t *q;
-
-    q = samples;
-    for (j = 0; j < frame_size; j++) {
-        v = (int)(sin(t) * 10000);
-        for (i = 0; i < nb_channels; i++)
-            *q++ = v;
-        t     += tincr;
-        tincr += tincr2;
-    }
-}
-
-static void write_audio_frame(AVFormatContext *oc, AVStream *st)
-{
-    AVCodecContext *c;
-    AVPacket pkt = { 0 }; // data and size must be 0;
-    AVFrame *frame = avcodec_alloc_frame();
-    int got_packet;
-
-    av_init_packet(&pkt);
-    c = st->codec;
-
-    get_audio_frame(samples, audio_input_frame_size, c->channels);
-    frame->nb_samples = audio_input_frame_size;
-    avcodec_fill_audio_frame(frame, c->channels, c->sample_fmt,
-                             (uint8_t *)samples,
-                             audio_input_frame_size *
-                             av_get_bytes_per_sample(c->sample_fmt) *
-                             c->channels, 1);
-
-    avcodec_encode_audio2(c, &pkt, frame, &got_packet);
-    if (!got_packet)
-        return;
-
-    pkt.stream_index = st->index;
-
-    /* Write the compressed frame to the media file. */
-    if (av_interleaved_write_frame(oc, &pkt) != 0) {
-        fprintf(stderr, "Error while writing audio frame\n");
-        exit(1);
-    }
-    avcodec_free_frame(&frame);
-}
-
-static void close_audio(AVFormatContext *oc, AVStream *st)
-{
-    avcodec_close(st->codec);
-
-    av_free(samples);
-}
-
-/**************************************************************/
-/* video output */
-
-static AVFrame *picture, *tmp_picture;
-static int frame_count;
-
-/* Add a video output stream. */
-static AVStream *add_video_stream(AVFormatContext *oc, enum AVCodecID codec_id)
-{
-    AVCodecContext *c;
-    AVStream *st;
-    AVCodec *codec;
-
-    /* find the video encoder */
-    codec = avcodec_find_encoder(codec_id);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    st = avformat_new_stream(oc, codec);
-    if (!st) {
-        fprintf(stderr, "Could not alloc stream\n");
-        exit(1);
-    }
-
-    c = st->codec;
-
-    /* Put sample parameters. */
-    c->bit_rate = 400000;
-    /* Resolution must be a multiple of two. */
-    c->width    = 352;
-    c->height   = 288;
-    /* timebase: This is the fundamental unit of time (in seconds) in terms
-     * of which frame timestamps are represented. For fixed-fps content,
-     * timebase should be 1/framerate and timestamp increments should be
-     * identical to 1. */
-    c->time_base.den = STREAM_FRAME_RATE;
-    c->time_base.num = 1;
-    c->gop_size      = 12; /* emit one intra frame every twelve frames at most */
-    c->pix_fmt       = STREAM_PIX_FMT;
-    if (c->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
-        /* just for testing, we also add B frames */
-        c->max_b_frames = 2;
-    }
-    if (c->codec_id == AV_CODEC_ID_MPEG1VIDEO) {
-        /* Needed to avoid using macroblocks in which some coeffs overflow.
-         * This does not happen with normal video, it just happens here as
-         * the motion of the chroma plane does not match the luma plane. */
-        c->mb_decision = 2;
-    }
-    /* Some formats want stream headers to be separate. */
-    if (oc->oformat->flags & AVFMT_GLOBALHEADER)
-        c->flags |= CODEC_FLAG_GLOBAL_HEADER;
-
-    return st;
-}
-
-static AVFrame *alloc_picture(enum AVPixelFormat pix_fmt, int width, int height)
-{
-    AVFrame *picture;
-    uint8_t *picture_buf;
-    int size;
-
-    picture = avcodec_alloc_frame();
-    if (!picture)
-        return NULL;
-    size        = avpicture_get_size(pix_fmt, width, height);
-    picture_buf = av_malloc(size);
-    if (!picture_buf) {
-        av_free(picture);
-        return NULL;
-    }
-    avpicture_fill((AVPicture *)picture, picture_buf,
-                   pix_fmt, width, height);
-    return picture;
-}
-
-static void open_video(AVFormatContext *oc, AVStream *st)
-{
-    AVCodecContext *c;
-
-    c = st->codec;
-
-    /* open the codec */
-    if (avcodec_open2(c, NULL, NULL) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    /* Allocate the encoded raw picture. */
-    picture = alloc_picture(c->pix_fmt, c->width, c->height);
-    if (!picture) {
-        fprintf(stderr, "Could not allocate picture\n");
-        exit(1);
-    }
-
-    /* If the output format is not YUV420P, then a temporary YUV420P
-     * picture is needed too. It is then converted to the required
-     * output format. */
-    tmp_picture = NULL;
-    if (c->pix_fmt != AV_PIX_FMT_YUV420P) {
-        tmp_picture = alloc_picture(AV_PIX_FMT_YUV420P, c->width, c->height);
-        if (!tmp_picture) {
-            fprintf(stderr, "Could not allocate temporary picture\n");
-            exit(1);
-        }
-    }
-}
-
-/* Prepare a dummy image. */
-static void fill_yuv_image(AVFrame *pict, int frame_index,
-                           int width, int height)
-{
-    int x, y, i;
-
-    i = frame_index;
-
-    /* Y */
-    for (y = 0; y < height; y++)
-        for (x = 0; x < width; x++)
-            pict->data[0][y * pict->linesize[0] + x] = x + y + i * 3;
-
-    /* Cb and Cr */
-    for (y = 0; y < height / 2; y++) {
-        for (x = 0; x < width / 2; x++) {
-            pict->data[1][y * pict->linesize[1] + x] = 128 + y + i * 2;
-            pict->data[2][y * pict->linesize[2] + x] = 64 + x + i * 5;
-        }
-    }
-}
-
-static void write_video_frame(AVFormatContext *oc, AVStream *st)
-{
-    int ret;
-    AVCodecContext *c;
-    static struct SwsContext *img_convert_ctx;
-
-    c = st->codec;
-
-    if (frame_count >= STREAM_NB_FRAMES) {
-        /* No more frames to compress. The codec has a latency of a few
-         * frames if using B-frames, so we get the last frames by
-         * passing the same picture again. */
-    } else {
-        if (c->pix_fmt != AV_PIX_FMT_YUV420P) {
-            /* as we only generate a YUV420P picture, we must convert it
-             * to the codec pixel format if needed */
-            if (img_convert_ctx == NULL) {
-                img_convert_ctx = sws_getContext(c->width, c->height,
-                                                 AV_PIX_FMT_YUV420P,
-                                                 c->width, c->height,
-                                                 c->pix_fmt,
-                                                 sws_flags, NULL, NULL, NULL);
-                if (img_convert_ctx == NULL) {
-                    fprintf(stderr,
-                            "Cannot initialize the conversion context\n");
-                    exit(1);
-                }
-            }
-            fill_yuv_image(tmp_picture, frame_count, c->width, c->height);
-            sws_scale(img_convert_ctx, tmp_picture->data, tmp_picture->linesize,
-                      0, c->height, picture->data, picture->linesize);
-        } else {
-            fill_yuv_image(picture, frame_count, c->width, c->height);
-        }
-    }
-
-    if (oc->oformat->flags & AVFMT_RAWPICTURE) {
-        /* Raw video case - the API will change slightly in the near
-         * future for that. */
-        AVPacket pkt;
-        av_init_packet(&pkt);
-
-        pkt.flags        |= AV_PKT_FLAG_KEY;
-        pkt.stream_index  = st->index;
-        pkt.data          = (uint8_t *)picture;
-        pkt.size          = sizeof(AVPicture);
-
-        ret = av_interleaved_write_frame(oc, &pkt);
-    } else {
-        AVPacket pkt = { 0 };
-        int got_packet;
-        av_init_packet(&pkt);
-
-        /* encode the image */
-        ret = avcodec_encode_video2(c, &pkt, picture, &got_packet);
-        /* If size is zero, it means the image was buffered. */
-        if (!ret && got_packet && pkt.size) {
-            if (pkt.pts != AV_NOPTS_VALUE) {
-                pkt.pts = av_rescale_q(pkt.pts,
-                                       c->time_base, st->time_base);
-            }
-            if (pkt.dts != AV_NOPTS_VALUE) {
-                pkt.dts = av_rescale_q(pkt.dts,
-                                       c->time_base, st->time_base);
-            }
-            pkt.stream_index = st->index;
-
-            /* Write the compressed frame to the media file. */
-            ret = av_interleaved_write_frame(oc, &pkt);
-        } else {
-            ret = 0;
-        }
-    }
-    if (ret != 0) {
-        fprintf(stderr, "Error while writing video frame\n");
-        exit(1);
-    }
-    frame_count++;
-}
-
-static void close_video(AVFormatContext *oc, AVStream *st)
-{
-    avcodec_close(st->codec);
-    av_free(picture->data[0]);
-    av_free(picture);
-    if (tmp_picture) {
-        av_free(tmp_picture->data[0]);
-        av_free(tmp_picture);
-    }
-}
-
-/**************************************************************/
-/* media file output */
-
-int main(int argc, char **argv)
-{
-    const char *filename;
-    AVOutputFormat *fmt;
-    AVFormatContext *oc;
-    AVStream *audio_st, *video_st;
-    double audio_pts, video_pts;
-    int i;
-
-    /* Initialize libavcodec, and register all codecs and formats. */
-    av_register_all();
-
-    if (argc != 2) {
-        printf("usage: %s output_file\n"
-               "API example program to output a media file with libavformat.\n"
-               "The output format is automatically guessed according to the file extension.\n"
-               "Raw images can also be output by using '%%d' in the filename\n"
-               "\n", argv[0]);
-        return 1;
-    }
-
-    filename = argv[1];
-
-    /* Autodetect the output format from the name. default is MPEG. */
-    fmt = av_guess_format(NULL, filename, NULL);
-    if (!fmt) {
-        printf("Could not deduce output format from file extension: using MPEG.\n");
-        fmt = av_guess_format("mpeg", NULL, NULL);
-    }
-    if (!fmt) {
-        fprintf(stderr, "Could not find suitable output format\n");
-        return 1;
-    }
-
-    /* Allocate the output media context. */
-    oc = avformat_alloc_context();
-    if (!oc) {
-        fprintf(stderr, "Memory error\n");
-        return 1;
-    }
-    oc->oformat = fmt;
-    snprintf(oc->filename, sizeof(oc->filename), "%s", filename);
-
-    /* Add the audio and video streams using the default format codecs
-     * and initialize the codecs. */
-    video_st = NULL;
-    audio_st = NULL;
-    if (fmt->video_codec != AV_CODEC_ID_NONE) {
-        video_st = add_video_stream(oc, fmt->video_codec);
-    }
-    if (fmt->audio_codec != AV_CODEC_ID_NONE) {
-        audio_st = add_audio_stream(oc, fmt->audio_codec);
-    }
-
-    /* Now that all the parameters are set, we can open the audio and
-     * video codecs and allocate the necessary encode buffers. */
-    if (video_st)
-        open_video(oc, video_st);
-    if (audio_st)
-        open_audio(oc, audio_st);
-
-    av_dump_format(oc, 0, filename, 1);
-
-    /* open the output file, if needed */
-    if (!(fmt->flags & AVFMT_NOFILE)) {
-        if (avio_open(&oc->pb, filename, AVIO_FLAG_WRITE) < 0) {
-            fprintf(stderr, "Could not open '%s'\n", filename);
-            return 1;
-        }
-    }
-
-    /* Write the stream header, if any. */
-    avformat_write_header(oc, NULL);
-
-    for (;;) {
-        /* Compute current audio and video time. */
-        if (audio_st)
-            audio_pts = (double)audio_st->pts.val * audio_st->time_base.num / audio_st->time_base.den;
-        else
-            audio_pts = 0.0;
-
-        if (video_st)
-            video_pts = (double)video_st->pts.val * video_st->time_base.num /
-                        video_st->time_base.den;
-        else
-            video_pts = 0.0;
-
-        if ((!audio_st || audio_pts >= STREAM_DURATION) &&
-            (!video_st || video_pts >= STREAM_DURATION))
-            break;
-
-        /* write interleaved audio and video frames */
-        if (!video_st || (video_st && audio_st && audio_pts < video_pts)) {
-            write_audio_frame(oc, audio_st);
-        } else {
-            write_video_frame(oc, video_st);
-        }
-    }
-
-    /* Write the trailer, if any. The trailer must be written before you
-     * close the CodecContexts open when you wrote the header; otherwise
-     * av_write_trailer() may try to use memory that was freed on
-     * av_codec_close(). */
-    av_write_trailer(oc);
-
-    /* Close each codec. */
-    if (video_st)
-        close_video(oc, video_st);
-    if (audio_st)
-        close_audio(oc, audio_st);
-
-    /* Free the streams. */
-    for (i = 0; i < oc->nb_streams; i++) {
-        av_freep(&oc->streams[i]->codec);
-        av_freep(&oc->streams[i]);
-    }
-
-    if (!(fmt->flags & AVFMT_NOFILE))
-        /* Close the output file. */
-        avio_close(oc->pb);
-
-    /* free the stream */
-    av_free(oc);
-
-    return 0;
-}
diff --git a/nodeList.xml b/nodeList.xml
deleted file mode 100644
index 57605c3..0000000
--- a/nodeList.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<node ID="01" type="audioLoader">music track to analyse
-	<output ID="01" type="graph">beat (sawtooth)</output>
-	<output ID="02" type="graph">pitch</output>
-	<output ID="03" type="graph">excitement</output>
-</node>
-<node ID="02" type="imageloader" thumbnail="">video or image
-	<output ID="01" type="RGB"/>
-	<output ID="02" type="RGBA"/>
-	<output ID="03" type="RGBZ"/>
-	<output ID="04" type="LUM"/>
-</node>
-<node ID="03" type="videoBank" mode="pingpong">
-	<clip ID="01" file="sample.mov"/>
-	<input ID="01" fromID="01.01" type="graph"/>cycle
-	<input ID="02" fromID="01.01" type="graph"/>random
-	<output ID="02" type="RGB"/>
-</node>	
-
-
-<node ID="05" UID="d9926bc4-720d-11e2-ad07-0fe64abef8bd" thumbnail="switch.png">Toggle switch
-	<setting ID="01" type="switch" name="mode" value="1" min="0" max="1">Mode</setting>
-	<setting ID="02" type="int" name="control" value="1">Control</setting>
-	<input ID="03" type="RGB">Input 1</input>
-	<input ID="04" type="RGB">Input 2</input>
-	<output ID="05" toID="07.02" type="RGB">Output</output>
-</node>
diff --git a/onandoff.xml b/onandoff.xml
deleted file mode 100644
index dec3a05..0000000
--- a/onandoff.xml
+++ /dev/null
@@ -1,48 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<patchbay ID="0f7aa258-7c2f-11e2-abbd-133252267708">Off and on template ©Rotor 2013
-	<node ID="01" type="audioLoader">music track to analyse
-		<output ID="01" type="graph">beat (sawtooth)</output>
-		<output ID="03" type="graph">excitement</output>
-	</node>
-	<node ID="02" type="imageLoader" thumbnail="performance1.jpg">performance take 1
-		<output ID="01" type="image"/>
-	</node>
-	<node ID="03" type="imageLoader" thumbnail="performance1.jpg">performance take 2
-		<output ID="01" type="image"/>
-	</node>
-	<node ID="04" type="==">1
-		<input ID="01" from="01.01" type="graph"/>
-		<output ID="02" type="graph"/>
-	</node>
-	<node ID="05" type="toggle switch" >
-		<input ID="01" from="02.01" type="image"/>
-		<input ID="02" from="03.01" type="image"/>
-		<input ID="03" from="04.02" type="signal"/>
-		<output ID="04" type="image"/>
-	</node>
-	<node ID="06" type="frequency/offset" frequency="0.25" offset="1">
-		<input ID="01" from="01.01" type="graph"/>
-		<output ID="02" type="graph"/>
-	</node>
-	<node ID="07" type="*">2
-		<input ID="01" from="06.02" type="graph"/>
-		<output ID="02" type="graph"/>
-	</node>
-	<node ID="08" type="==">1
-		<input ID="01" from="06.02" type="graph"/>
-		<output ID="02" type="graph"/>
-	</node>
-	<node ID="09" type="videoBank" mode="pingpong">
-		<clip ID="01" file="sample.mov"/>
-		<input ID="01" from="08.02" type="graph"/>cycle switch
-		<output ID="02" type="image"/>
-	</node>	
-	<node ID="10" type="shape" mode="triangle">
-		<input ID="01" from="07.02" type="graph"/>scale
-		<output ID="02" type="image"/>
-	</node>	
-	<node ID="11" type="channel merge" >
-		<input from="02.01" type="scale"/>
-		<output ID="09" type="image"/>
-	</node>
-</patchbay>
diff --git a/output-example.c b/output-example.c
deleted file mode 100644
index dd61cfe..0000000
--- a/output-example.c
+++ /dev/null
@@ -1,554 +0,0 @@
-/*
- * Libavformat API example: Output a media file in any supported
- * libavformat format. The default codecs are used.
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-
-#include "libavformat/avformat.h"
-#include "libswscale/swscale.h"
-
-#undef exit
-
-/* 5 seconds stream duration */
-#define STREAM_DURATION   5.0
-#define STREAM_FRAME_RATE 25 /* 25 images/s */
-#define STREAM_NB_FRAMES  ((int)(STREAM_DURATION * STREAM_FRAME_RATE))
-#define STREAM_PIX_FMT PIX_FMT_YUV420P /* default pix_fmt */
-
-static int sws_flags = SWS_BICUBIC;
-
-/**************************************************************/
-/* audio output */
-
-float t, tincr, tincr2;
-int16_t *samples;
-uint8_t *audio_outbuf;
-int audio_outbuf_size;
-int audio_input_frame_size;
-
-/*
- * add an audio output stream
- */
-static AVStream *add_audio_stream(AVFormatContext *oc, enum CodecID codec_id)
-{
-    AVCodecContext *c;
-    AVStream *st;
-
-    st = av_new_stream(oc, 1);
-    if (!st) {
-        fprintf(stderr, "Could not alloc stream\n");
-        exit(1);
-    }
-
-    c = st->codec;
-    c->codec_id = codec_id;
-    c->codec_type = AVMEDIA_TYPE_AUDIO;
-
-    /* put sample parameters */
-    c->bit_rate = 64000;
-    c->sample_rate = 44100;
-    c->channels = 2;
-
-    // some formats want stream headers to be separate
-    if(oc->oformat->flags & AVFMT_GLOBALHEADER)
-        c->flags |= CODEC_FLAG_GLOBAL_HEADER;
-
-    return st;
-}
-
-static void open_audio(AVFormatContext *oc, AVStream *st)
-{
-    AVCodecContext *c;
-    AVCodec *codec;
-
-    c = st->codec;
-
-    /* find the audio encoder */
-    codec = avcodec_find_encoder(c->codec_id);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    /* open it */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    /* init signal generator */
-    t = 0;
-    tincr = 2 * M_PI * 110.0 / c->sample_rate;
-    /* increment frequency by 110 Hz per second */
-    tincr2 = 2 * M_PI * 110.0 / c->sample_rate / c->sample_rate;
-
-    audio_outbuf_size = 10000;
-    audio_outbuf = av_malloc(audio_outbuf_size);
-
-    /* ugly hack for PCM codecs (will be removed ASAP with new PCM
-       support to compute the input frame size in samples */
-    if (c->frame_size <= 1) {
-        audio_input_frame_size = audio_outbuf_size / c->channels;
-        switch(st->codec->codec_id) {
-        case CODEC_ID_PCM_S16LE:
-        case CODEC_ID_PCM_S16BE:
-        case CODEC_ID_PCM_U16LE:
-        case CODEC_ID_PCM_U16BE:
-            audio_input_frame_size >>= 1;
-            break;
-        default:
-            break;
-        }
-    } else {
-        audio_input_frame_size = c->frame_size;
-    }
-    samples = av_malloc(audio_input_frame_size * 2 * c->channels);
-}
-
-/* prepare a 16 bit dummy audio frame of 'frame_size' samples and
-   'nb_channels' channels */
-static void get_audio_frame(int16_t *samples, int frame_size, int nb_channels)
-{
-    int j, i, v;
-    int16_t *q;
-
-    q = samples;
-    for(j=0;j<frame_size;j++) {
-        v = (int)(sin(t) * 10000);
-        for(i = 0; i < nb_channels; i++)
-            *q++ = v;
-        t += tincr;
-        tincr += tincr2;
-    }
-}
-
-static void write_audio_frame(AVFormatContext *oc, AVStream *st)
-{
-    AVCodecContext *c;
-    AVPacket pkt;
-    av_init_packet(&pkt);
-
-    c = st->codec;
-
-    get_audio_frame(samples, audio_input_frame_size, c->channels);
-
-    pkt.size= avcodec_encode_audio(c, audio_outbuf, audio_outbuf_size, samples);
-
-    if (c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE)
-        pkt.pts= av_rescale_q(c->coded_frame->pts, c->time_base, st->time_base);
-    pkt.flags |= AV_PKT_FLAG_KEY;
-    pkt.stream_index= st->index;
-    pkt.data= audio_outbuf;
-
-    /* write the compressed frame in the media file */
-    if (av_interleaved_write_frame(oc, &pkt) != 0) {
-        fprintf(stderr, "Error while writing audio frame\n");
-        exit(1);
-    }
-}
-
-static void close_audio(AVFormatContext *oc, AVStream *st)
-{
-    avcodec_close(st->codec);
-
-    av_free(samples);
-    av_free(audio_outbuf);
-}
-
-/**************************************************************/
-/* video output */
-
-AVFrame *picture, *tmp_picture;
-uint8_t *video_outbuf;
-int frame_count, video_outbuf_size;
-
-/* add a video output stream */
-static AVStream *add_video_stream(AVFormatContext *oc, enum CodecID codec_id)
-{
-    AVCodecContext *c;
-    AVStream *st;
-
-    st = av_new_stream(oc, 0);
-    if (!st) {
-        fprintf(stderr, "Could not alloc stream\n");
-        exit(1);
-    }
-
-    c = st->codec;
-    c->codec_id = codec_id;
-    c->codec_type = AVMEDIA_TYPE_VIDEO;
-
-    /* put sample parameters */
-    c->bit_rate = 400000;
-    /* resolution must be a multiple of two */
-    c->width = 352;
-    c->height = 288;
-    /* time base: this is the fundamental unit of time (in seconds) in terms
-       of which frame timestamps are represented. for fixed-fps content,
-       timebase should be 1/framerate and timestamp increments should be
-       identically 1. */
-    c->time_base.den = STREAM_FRAME_RATE;
-    c->time_base.num = 1;
-    c->gop_size = 12; /* emit one intra frame every twelve frames at most */
-    c->pix_fmt = STREAM_PIX_FMT;
-    if (c->codec_id == CODEC_ID_MPEG2VIDEO) {
-        /* just for testing, we also add B frames */
-        c->max_b_frames = 2;
-    }
-    if (c->codec_id == CODEC_ID_MPEG1VIDEO){
-        /* Needed to avoid using macroblocks in which some coeffs overflow.
-           This does not happen with normal video, it just happens here as
-           the motion of the chroma plane does not match the luma plane. */
-        c->mb_decision=2;
-    }
-    // some formats want stream headers to be separate
-    if(oc->oformat->flags & AVFMT_GLOBALHEADER)
-        c->flags |= CODEC_FLAG_GLOBAL_HEADER;
-
-    return st;
-}
-
-static AVFrame *alloc_picture(enum PixelFormat pix_fmt, int width, int height)
-{
-    AVFrame *picture;
-    uint8_t *picture_buf;
-    int size;
-
-    picture = avcodec_alloc_frame();
-    if (!picture)
-        return NULL;
-    size = avpicture_get_size(pix_fmt, width, height);
-    picture_buf = av_malloc(size);
-    if (!picture_buf) {
-        av_free(picture);
-        return NULL;
-    }
-    avpicture_fill((AVPicture *)picture, picture_buf,
-                   pix_fmt, width, height);
-    return picture;
-}
-
-static void open_video(AVFormatContext *oc, AVStream *st)
-{
-    AVCodec *codec;
-    AVCodecContext *c;
-
-    c = st->codec;
-
-    /* find the video encoder */
-    codec = avcodec_find_encoder(c->codec_id);
-    if (!codec) {
-        fprintf(stderr, "codec not found\n");
-        exit(1);
-    }
-
-    /* open the codec */
-    if (avcodec_open(c, codec) < 0) {
-        fprintf(stderr, "could not open codec\n");
-        exit(1);
-    }
-
-    video_outbuf = NULL;
-    if (!(oc->oformat->flags & AVFMT_RAWPICTURE)) {
-        /* allocate output buffer */
-        /* XXX: API change will be done */
-        /* buffers passed into lav* can be allocated any way you prefer,
-           as long as they're aligned enough for the architecture, and
-           they're freed appropriately (such as using av_free for buffers
-           allocated with av_malloc) */
-        video_outbuf_size = 200000;
-        video_outbuf = av_malloc(video_outbuf_size);
-    }
-
-    /* allocate the encoded raw picture */
-    picture = alloc_picture(c->pix_fmt, c->width, c->height);
-    if (!picture) {
-        fprintf(stderr, "Could not allocate picture\n");
-        exit(1);
-    }
-
-    /* if the output format is not YUV420P, then a temporary YUV420P
-       picture is needed too. It is then converted to the required
-       output format */
-    tmp_picture = NULL;
-    if (c->pix_fmt != PIX_FMT_YUV420P) {
-        tmp_picture = alloc_picture(PIX_FMT_YUV420P, c->width, c->height);
-        if (!tmp_picture) {
-            fprintf(stderr, "Could not allocate temporary picture\n");
-            exit(1);
-        }
-    }
-}
-
-/* prepare a dummy image */
-static void fill_yuv_image(AVFrame *pict, int frame_index, int width, int height)
-{
-    int x, y, i;
-
-    i = frame_index;
-
-    /* Y */
-    for(y=0;y<height;y++) {
-        for(x=0;x<width;x++) {
-            pict->data[0][y * pict->linesize[0] + x] = x + y + i * 3;
-        }
-    }
-
-    /* Cb and Cr */
-    for(y=0;y<height/2;y++) {
-        for(x=0;x<width/2;x++) {
-            pict->data[1][y * pict->linesize[1] + x] = 128 + y + i * 2;
-            pict->data[2][y * pict->linesize[2] + x] = 64 + x + i * 5;
-        }
-    }
-}
-
-static void write_video_frame(AVFormatContext *oc, AVStream *st)
-{
-    int out_size, ret;
-    AVCodecContext *c;
-    static struct SwsContext *img_convert_ctx;
-
-    c = st->codec;
-
-    if (frame_count >= STREAM_NB_FRAMES) {
-        /* no more frame to compress. The codec has a latency of a few
-           frames if using B frames, so we get the last frames by
-           passing the same picture again */
-    } else {
-        if (c->pix_fmt != PIX_FMT_YUV420P) {
-            /* as we only generate a YUV420P picture, we must convert it
-               to the codec pixel format if needed */
-            if (img_convert_ctx == NULL) {
-                img_convert_ctx = sws_getContext(c->width, c->height,
-                                                 PIX_FMT_YUV420P,
-                                                 c->width, c->height,
-                                                 c->pix_fmt,
-                                                 sws_flags, NULL, NULL, NULL);
-                if (img_convert_ctx == NULL) {
-                    fprintf(stderr, "Cannot initialize the conversion context\n");
-                    exit(1);
-                }
-            }
-            fill_yuv_image(tmp_picture, frame_count, c->width, c->height);
-            sws_scale(img_convert_ctx, tmp_picture->data, tmp_picture->linesize,
-                      0, c->height, picture->data, picture->linesize);
-        } else {
-            fill_yuv_image(picture, frame_count, c->width, c->height);
-        }
-    }
-
-
-    if (oc->oformat->flags & AVFMT_RAWPICTURE) {
-        /* raw video case. The API will change slightly in the near
-           futur for that */
-        AVPacket pkt;
-        av_init_packet(&pkt);
-
-        pkt.flags |= AV_PKT_FLAG_KEY;
-        pkt.stream_index= st->index;
-        pkt.data= (uint8_t *)picture;
-        pkt.size= sizeof(AVPicture);
-
-        ret = av_interleaved_write_frame(oc, &pkt);
-    } else {
-        /* encode the image */
-        out_size = avcodec_encode_video(c, video_outbuf, video_outbuf_size, picture);
-        /* if zero size, it means the image was buffered */
-        if (out_size > 0) {
-            AVPacket pkt;
-            av_init_packet(&pkt);
-
-            if (c->coded_frame->pts != AV_NOPTS_VALUE)
-                pkt.pts= av_rescale_q(c->coded_frame->pts, c->time_base, st->time_base);
-            if(c->coded_frame->key_frame)
-                pkt.flags |= AV_PKT_FLAG_KEY;
-            pkt.stream_index= st->index;
-            pkt.data= video_outbuf;
-            pkt.size= out_size;
-
-            /* write the compressed frame in the media file */
-            ret = av_interleaved_write_frame(oc, &pkt);
-        } else {
-            ret = 0;
-        }
-    }
-    if (ret != 0) {
-        fprintf(stderr, "Error while writing video frame\n");
-        exit(1);
-    }
-    frame_count++;
-}
-
-static void close_video(AVFormatContext *oc, AVStream *st)
-{
-    avcodec_close(st->codec);
-    av_free(picture->data[0]);
-    av_free(picture);
-    if (tmp_picture) {
-        av_free(tmp_picture->data[0]);
-        av_free(tmp_picture);
-    }
-    av_free(video_outbuf);
-}
-
-/**************************************************************/
-/* media file output */
-
-int main(int argc, char **argv)
-{
-    const char *filename;
-    AVOutputFormat *fmt;
-    AVFormatContext *oc;
-    AVStream *audio_st, *video_st;
-    double audio_pts, video_pts;
-    int i;
-
-    /* initialize libavcodec, and register all codecs and formats */
-    av_register_all();
-
-    if (argc != 2) {
-        printf("usage: %s output_file\n"
-               "API example program to output a media file with libavformat.\n"
-               "The output format is automatically guessed according to the file extension.\n"
-               "Raw images can also be output by using '%%d' in the filename\n"
-               "\n", argv[0]);
-        exit(1);
-    }
-
-    filename = argv[1];
-
-    /* auto detect the output format from the name. default is
-       mpeg. */
-    fmt = av_guess_format(NULL, filename, NULL);
-    if (!fmt) {
-        printf("Could not deduce output format from file extension: using MPEG.\n");
-        fmt = av_guess_format("mpeg", NULL, NULL);
-    }
-    if (!fmt) {
-        fprintf(stderr, "Could not find suitable output format\n");
-        exit(1);
-    }
-
-    /* allocate the output media context */
-    oc = avformat_alloc_context();
-    if (!oc) {
-        fprintf(stderr, "Memory error\n");
-        exit(1);
-    }
-    oc->oformat = fmt;
-    snprintf(oc->filename, sizeof(oc->filename), "%s", filename);
-
-    /* add the audio and video streams using the default format codecs
-       and initialize the codecs */
-    video_st = NULL;
-    audio_st = NULL;
-    if (fmt->video_codec != CODEC_ID_NONE) {
-        video_st = add_video_stream(oc, fmt->video_codec);
-    }
-    if (fmt->audio_codec != CODEC_ID_NONE) {
-        audio_st = add_audio_stream(oc, fmt->audio_codec);
-    }
-
-    /* set the output parameters (must be done even if no
-       parameters). */
-    if (av_set_parameters(oc, NULL) < 0) {
-        fprintf(stderr, "Invalid output format parameters\n");
-        exit(1);
-    }
-
-    dump_format(oc, 0, filename, 1);
-
-    /* now that all the parameters are set, we can open the audio and
-       video codecs and allocate the necessary encode buffers */
-    if (video_st)
-        open_video(oc, video_st);
-    if (audio_st)
-        open_audio(oc, audio_st);
-
-    /* open the output file, if needed */
-    if (!(fmt->flags & AVFMT_NOFILE)) {
-        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
-            fprintf(stderr, "Could not open '%s'\n", filename);
-            exit(1);
-        }
-    }
-
-    /* write the stream header, if any */
-    av_write_header(oc);
-
-    for(;;) {
-        /* compute current audio and video time */
-        if (audio_st)
-            audio_pts = (double)audio_st->pts.val * audio_st->time_base.num / audio_st->time_base.den;
-        else
-            audio_pts = 0.0;
-
-        if (video_st)
-            video_pts = (double)video_st->pts.val * video_st->time_base.num / video_st->time_base.den;
-        else
-            video_pts = 0.0;
-
-        if ((!audio_st || audio_pts >= STREAM_DURATION) &&
-            (!video_st || video_pts >= STREAM_DURATION))
-            break;
-
-        /* write interleaved audio and video frames */
-        if (!video_st || (video_st && audio_st && audio_pts < video_pts)) {
-            write_audio_frame(oc, audio_st);
-        } else {
-            write_video_frame(oc, video_st);
-        }
-    }
-
-    /* write the trailer, if any.  the trailer must be written
-     * before you close the CodecContexts open when you wrote the
-     * header; otherwise write_trailer may try to use memory that
-     * was freed on av_codec_close() */
-    av_write_trailer(oc);
-
-    /* close each codec */
-    if (video_st)
-        close_video(oc, video_st);
-    if (audio_st)
-        close_audio(oc, audio_st);
-
-    /* free the streams */
-    for(i = 0; i < oc->nb_streams; i++) {
-        av_freep(&oc->streams[i]->codec);
-        av_freep(&oc->streams[i]);
-    }
-
-    if (!(fmt->flags & AVFMT_NOFILE)) {
-        /* close the output file */
-        url_fclose(oc->pb);
-    }
-
-    /* free the stream */
-    av_free(oc);
-
-    return 0;
-}
diff --git a/rotord/01.wav b/rotord/01.wav
deleted file mode 100644
index d82faee..0000000
--- a/rotord/01.wav
+++ /dev/null
diff --git a/rotord/02.mp3 b/rotord/02.mp3
deleted file mode 100644
index 9543612..0000000
--- a/rotord/02.mp3
+++ /dev/null
diff --git a/rotord/02.wav b/rotord/02.wav
deleted file mode 100644
index 1a43e7d..0000000
--- a/rotord/02.wav
+++ /dev/null
diff --git a/rotord/1wave.mp3 b/rotord/1wave.mp3
deleted file mode 100644
index 040b65e..0000000
--- a/rotord/1wave.mp3
+++ /dev/null
diff --git a/rotord/1wave.wav b/rotord/1wave.wav
deleted file mode 100644
index 0ae9d9b..0000000
--- a/rotord/1wave.wav
+++ /dev/null
diff --git a/rotord/delos.mp4 b/rotord/delos.mp4
deleted file mode 100755
index b295ca7..0000000
--- a/rotord/delos.mp4
+++ /dev/null
diff --git a/rotord/delos.wav b/rotord/delos.wav
deleted file mode 100644
index cb29535..0000000
--- a/rotord/delos.wav
+++ /dev/null
diff --git a/rotord/silence.mp3 b/rotord/silence.mp3
deleted file mode 100644
index 888e669..0000000
--- a/rotord/silence.mp3
+++ /dev/null
diff --git a/rotord/silence.wav b/rotord/silence.wav
deleted file mode 100644
index 24d262a..0000000
--- a/rotord/silence.wav
+++ /dev/null
diff --git a/rotord/wave.mp3 b/rotord/wave.mp3
deleted file mode 100644
index 96fd908..0000000
--- a/rotord/wave.mp3
+++ /dev/null
diff --git a/rotord/wave.wav b/rotord/wave.wav
deleted file mode 100644
index 98ed9ca..0000000
--- a/rotord/wave.wav
+++ /dev/null
diff --git a/rotord/wave_s.mp3 b/rotord/wave_s.mp3
deleted file mode 100644
index 10f55d4..0000000
--- a/rotord/wave_s.mp3
+++ /dev/null
diff --git a/rotord/wave_s.wav b/rotord/wave_s.wav
deleted file mode 100644
index 618fb26..0000000
--- a/rotord/wave_s.wav
+++ /dev/null
diff --git a/styleReq.xml b/styleReq.xml
deleted file mode 100644
index bc75880..0000000
--- a/styleReq.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<style description="Off and on style ©Rotor 2013">
-	
-</style>
\ No newline at end of file
diff --git a/testint.c b/testint.c
deleted file mode 100644
index 6521ba3..0000000
--- a/testint.c
+++ /dev/null
@@ -1,199 +0,0 @@
-extern "C" {
-	#include "libavcodec/avcodec.h"
-	#include "libavformat/avformat.h"
-	#include "libavutil/opt.h"
-	#include "libavutil/channel_layout.h"
-	#include "libavutil/common.h"
-	#include "libavutil/imgutils.h"
-	#include "libavutil/mathematics.h"
-	#include "libavutil/samplefmt.h"
-	
-	#include <libavutil/imgutils.h>
-	#include <libavutil/samplefmt.h>
-	//#include <libavutil/timestamp.h>
-}
-
-#include <libavutil/imgutils.h>
-#include <libavutil/samplefmt.h>
-
-#include <iostream>
-#include <fstream>
-
-
-int main(int argc, char** argv)
-{
-	av_register_all();
-	
-	if (argc<1) {
-		cerr<< "use: test audiofile" << endl;
-		return 1;
-	}
-
-
-	AVFrame* frame = avcodec_alloc_frame();
-	if (!frame)
-	{
-		std::cout << "Error allocating the frame" << std::endl;
-		return false;
-	}
-
-	AVFormatContext* formatContext = NULL;
-	if (avformat_open_input(&formatContext, filename.c_str(), NULL, NULL) != 0)
-	{
-		av_free(frame);
-		std::cout << "Error opening the file" << std::endl;
-		return false;
-	}
-
-
-	if (avformat_find_stream_info(formatContext, NULL) < 0)
-	{
-		av_free(frame);
-		av_close_input_file(formatContext);
-		std::cout << "Error finding the stream info" << std::endl;
-		return false;
-	}
-
-	AVStream* audioStream = NULL;
-	// Find the audio stream (some container files can have multiple streams in them)
-	for (unsigned int i = 0; i < formatContext->nb_streams; ++i)
-	{
-		if (formatContext->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
-		{
-			audioStream = formatContext->streams[i];
-			break;
-		}
-	}
-
-	if (audioStream == NULL)
-	{
-		av_free(frame);
-		av_close_input_file(formatContext);
-		std::cout << "Could not find any audio stream in the file" << std::endl;
-		return false;
-	}
-
-	AVCodecContext* codecContext = audioStream->codec;
-
-	codecContext->codec = avcodec_find_decoder(codecContext->codec_id);
-	if (codecContext->codec == NULL)
-	{
-		av_free(frame);
-		av_close_input_file(formatContext);
-		std::cout << "Couldn't find a proper decoder" << std::endl;
-		return false;
-	}
-	else if (avcodec_open2(codecContext, codecContext->codec, NULL) != 0)
-	{
-		av_free(frame);
-		av_close_input_file(formatContext);
-		std::cout << "Couldn't open the context with the decoder" << std::endl;
-		return false;
-	}
-	
-		/*
-	
-	//
-	// why is the file truncated???
-	//if(codecContext->codec->capabilities & CODEC_CAP_TRUNCATED) codecContext->codec->capabilities|=CODEC_FLAG_TRUNCATED;
-	//
-	//
-
-	av_dump_format(formatContext, 0, 0, false); //avformat.h line 1256
-	int samples = ((formatContext->duration + 5000)*codecContext->sample_rate)/AV_TIME_BASE;
-
-	std::cout << "This stream has " << codecContext->channels << " channels, a sample rate of " << codecContext->sample_rate << "Hz and "<<samples <<" samples" << std::endl;
-	std::cout << "The data is in format " <<codecContext->sample_fmt<< " (aka "<< av_get_sample_fmt_name(codecContext->sample_fmt) << ") "<<std::endl;
-
-	//we can now tell the processors the format
-	//we can work out the number of samples at this point
-
-	for (auto p: processors) {
-		p->init(codecContext->channels,16,samples);
-	}
-
-	AVPacket packet;
-	av_init_packet(&packet);
-	int sample_processed=0;
-	
-	bool diag=true;
-
-	// Read the packets in a loop
-	while (true)
-	//while(sample_processed<samples)
-	{
-		int ret=av_read_frame(formatContext, &packet);
-		if (ret<0) {
-			cerr << "finished with code "<<ret <<(ret==AVERROR_EOF?" ,EOF":"")<<endl;
-			break;
-		}
-		//av_read_frame(formatContext, &packet); //hangs once the packets have been read
-		if (packet.stream_index == audioStream->index)
-		{
-			// Try to decode the packet into a frame
-			int frameFinished = 0;
-			int bytes = avcodec_decode_audio4(codecContext, frame, &frameFinished, &packet);
-
-			// Some frames rely on multiple packets, so we have to make sure the frame is finished before
-			// we can use it
-			if (frameFinished)
-			{
-				// frame now has usable audio data in it. How it's stored in the frame depends on the format of
-				// the audio. If it's packed audio, all the data will be in frame->data[0]. If it's in planar format,
-				// the data will be in frame->data and possibly frame->extended_data. Look at frame->data, frame->nb_samples,
-				// frame->linesize, and other related fields on the FFmpeg docs. I don't know how you're actually using
-				// the audio data, so I won't add any junk here that might confuse you. Typically, if I want to find
-				// documentation on an FFmpeg structure or function, I just type "<name> doxygen" into google (like
-				// "AVFrame doxygen" for AVFrame's docs)
-				
-				//av_get_channel_layout_string (char *buf, int buf_size, int nb_channels, uint64_t channel_layout)
-				
-				if (diag) {
-					cerr << "first frame: "<<bytes << ", "<<frame->nb_samples<<" samples in "<<av_get_sample_fmt_name(frame->format)<<" format with channel layout "<<frame->channel_layout<<  std::endl;
-					diag=false;
-				}
-
-				//std::cout << "Got a frame: bytes " << bytes << ", "<<frame->nb_samples<<" samples"<<std::endl;
-				//now we can pass the data to the processor(s)
-				for (auto p: processors) {
-					sample_processed=p->process_frame(frame->data[0],frame->nb_samples);
-				}
-				
-				mutex.lock();
-				progress=((double)sample_processed)/samples;
-				mutex.unlock();
-			}
-		}
-		// You *must* call av_free_packet() after each call to av_read_frame() or else you'll leak memory
-		av_free_packet(&packet);  //crashes here!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! SIGSEV In _int_free (av=0xb4600010, p=0xb46025c8, have_lock=0) at malloc.c:4085 ()
-	}
-
-	// Some codecs will cause frames to be buffered up in the decoding process. If the CODEC_CAP_DELAY flag
-	// is set, there can be buffered up frames that need to be flushed, so we'll do that
-	if (codecContext->codec->capabilities & CODEC_CAP_DELAY)
-	{
-		av_init_packet(&packet);
-		// Decode all the remaining frames in the buffer, until the end is reached
-		int frameFinished = 0;
-		int bytes = avcodec_decode_audio4(codecContext, frame, &frameFinished, &packet);
-		while (bytes >= 0 && frameFinished)
-		{
-			for (auto p: processors) {
-				p->process_frame(frame->data[0],frame->nb_samples);
-			}
-			mutex.lock();
-			progress=((double)sample_processed)/samples;
-			mutex.unlock();
-		}
-	}
-	
-	cerr << "finished processed: "<<sample_processed << " samples of  "<<samples<<" , "<<((double)sample_processed*100)/samples<<"%"<<  std::endl;
-		*/			
-
-	// Clean up!
-	av_free(frame);
-	avcodec_close(codecContext);
-	av_close_input_file(formatContext);
-
-	return 0;
-}