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filmless/filmless_processing/filmless_processing.pde

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Add processing sketches
2020-02-11 23:11:00 +00:00
import processing.sound.*;
import soundtrack.optical.*;
// Export video to image sequence using ffmpeg
// ffmpeg -i video.mov -f image2 -r 24 /tmp/image-%04d.png
// ffmpeg -i video.mov -acodec pcm_s16le -ac 1 audio.wav //-ar 16000 sets rate
/**
* CHANGE THESE
**/
String DESKTOP = System.getProperty("user.home") + "/Desktop";
String SOURCE = DESKTOP + "/frames/"; //path to directory containing frames
String SOUND = DESKTOP + "/audio/audio.wav"; //leave empty string if silent
String RENDER_PATH = DESKTOP + "/"; //path to directory where pages will be placed
//types: unilateral, variable area, dual variable area, maurer, variable density
String SOUNDTRACK_TYPE = "unilateral";
int DPI = 1440; //maximum printer DPI
String PITCH = "long"; // long, short //7.62, 7.605
String FORMAT = "16mm"; //16mm or super16
int PERFS = 1; //single (1) or double (2) perf film
float PAGE_W = 8.5; //page width in inches
float PAGE_H = 11.0; //page height in inches
float SAFE_W = .25; //safe area on each side of the page
float SAFE_H = .5; //safe area on top and bottom of page
color BACKGROUND = color(0); //the color that will fill the entire frame where there's no image
boolean NEGATIVE = false; //true to invert image data
boolean SHOW_PERFS = true; //set to true to print perfs for cutting registration
color PERFS_COLOR = color(255);
int SOUND_OFFSET = 25;
//This is a magic number that is used to scale the vertical (H) or horizontal (W) resolution
//because the printer sometimes lies to you.
Reset to non-stretched default
2020-02-11 23:11:36 +00:00
float MAGIC_H_CORRECTION = 1.0;
Add processing sketches
2020-02-11 23:11:00 +00:00
float MAGIC_W_CORRECTION = 1.0;
/**
* CONSTANTS (DON'T CHANGE PLZ)
**/
float IN = 25.4;
float LONG_H = 7.62;
float SHORT_H = 7.605;
float STD16_W = 10.26; //0.413"
float STD16_H = 7.49; //0.295"
float SUPER16_W = 12.52; //0.492"
float SUPER16_H = 7.41; //0.292"
float PERF_W = 1.829;
float PERF_H = 1.27;
float DPMM = DPI / IN;
int SPACING = PITCH.equals("long") ? round(LONG_H * DPMM * MAGIC_H_CORRECTION) : round(SHORT_H * DPMM * MAGIC_H_CORRECTION);
int PAGE_W_PIXELS = ceil((PAGE_W - (SAFE_W * 2)) * DPI * MAGIC_W_CORRECTION);
int PAGE_H_PIXELS = ceil((PAGE_H - (SAFE_H * 2)) * DPI * MAGIC_H_CORRECTION);
int FRAME_W = FORMAT.equals("super16") ? round(SUPER16_W * DPMM * MAGIC_W_CORRECTION) : round(STD16_W * DPMM * MAGIC_W_CORRECTION);
int FRAME_H = FORMAT.equals("super16") ? round(SUPER16_H * DPMM * MAGIC_H_CORRECTION) : round(STD16_H * DPMM * MAGIC_H_CORRECTION);
int LEFT_PAD = round(((16 - STD16_W) / 2) * DPMM * MAGIC_W_CORRECTION); //space to left of frame
int COLUMNS = floor(PAGE_W_PIXELS / (16 * DPMM));
int ROWS = floor(PAGE_H_PIXELS / SPACING);
int FRAME_LINE = round((SPACING - FRAME_H) / 2);
int PAGES = 0;
int FRAMES = 0;
int SOUND_W = ceil(DPMM * (12.52 - 10.26));
SoundtrackOptical soundtrack;
String[] frames;
PImage frameBuffer;
PGraphics frameBlank;
PGraphics pageBuffer;
PGraphics soundBuffer;
void setup () {
size(640, 480);
//surface.setResizable(true);
println(SOURCE);
frames = listFrames(SOURCE);
if (frames == null) {
println("Frames not found, check SOURCE path");
exit();
}
FRAMES = frames.length;
PAGES = ceil((float) FRAMES / (ROWS * COLUMNS));
pageBuffer = createGraphics(PAGE_W_PIXELS, PAGE_H_PIXELS);
if (!SOUND.equals("")) {
soundtrack = new SoundtrackOptical(this, SOUND, DPI, 1.0, SOUNDTRACK_TYPE, PITCH, !NEGATIVE);
}
printInfo();
if (PERFS == 2 && !SOUND.equals("") ) {
println("WARNING: Double perf film and soundtrack will interfere with one another. Are you sure?");
}
if (FORMAT.equals("super16") && !SOUND.equals("")) {
println("WARNING: Super16 frame and soundtrack will interfere with one another. Are you sure?");
}
if (FORMAT.equals("super16") && PERFS == 2) {
println("WARNING: Super16 frame and double perf film will interfere with one another. Are you sure?");
}
text("DISPLAY", 200, 200);
frameBlank = createGraphics(FRAME_W, FRAME_H);
noLoop();
delay(1000);
thread("renderPages");
}
void draw () {
background(0);
fill(255);
text("SOURCE DIR: " + SOURCE, 10, 20);
text("DPI: " + DPI, 10, 40);
text("STRETCH: " + MAGIC_W_CORRECTION + " x " + MAGIC_H_CORRECTION, 10, 60);
text("FRAMES: " + FRAMES, 10, 80);
text("FRAME SIZE: " + FRAME_W + "x" + FRAME_H + " px", 10, 100);
text("PAGES: " + PAGES, 10, 120);
text("PAGE SIZE: " + PAGE_W_PIXELS + "x" + PAGE_H_PIXELS + " px", 10, 140);
text("FRAMES/PAGE: " + (ROWS * COLUMNS), 10, 160);
text("SECONDS/PAGE: " + ((ROWS * COLUMNS) / 24), 10, 180);
}
void printInfo() {
println("STRETCH: " + MAGIC_W_CORRECTION + " x " + MAGIC_H_CORRECTION);
println("PAGE SIZE: " + PAGE_W_PIXELS + "x" + PAGE_H_PIXELS);
println("FRAME SIZE: " + FRAME_W + "x" + FRAME_H);
println("FRAMES PER STRIP: " + ROWS);
println("STRIPS PER PAGE: " + COLUMNS);
println("FRAMES PER PAGE: " + (ROWS * COLUMNS));
println("SECONDS PER PAGE: " + ((ROWS * COLUMNS) / 24));
println("FRAMES: " + FRAMES);
println("PAGES: " + PAGES);
//println("RENDER_PATH: " + RENDER_PATH);
if (!SOUND.equals("")) {
println("SOUNDTRACK SAMPLE RATE: " + (SPACING * 24));
}
}
String[] listFrames (String dir) {
ArrayList<String> tmp = new ArrayList<String>();
String output[];
File file;
int arraySize;
int o = 0;
if (dir.substring(dir.length() - 1, dir.length()) != "/") {
dir = dir + "/";
}
file = new File(dir);
if (file.isDirectory()) {
String names[] = file.list();
names = sort(names);
for (int i = 0; i < names.length; i++) {
if (names[i].toLowerCase().contains(".jpg") ||
names[i].toLowerCase().contains(".jpeg") ||
names[i].toLowerCase().contains(".tif") || //only works with Processing tiffs
names[i].toLowerCase().contains(".png")) {
tmp.add(dir + names[i]);
}
}
arraySize = tmp.size();
if (!SOUND.equals("")) {
arraySize += SOUND_OFFSET;
}
output = new String[arraySize];
if (!SOUND.equals("")) {
for (int i = 0; i < SOUND_OFFSET; i++) {
output[o] = "_BLANK_";
o++;
}
}
for (int i = 0; i < tmp.size(); i++) {
output[o] = tmp.get(i);
o++;
}
sort(output);
return output;
} else {
return null;
}
}
String leftPad (int val) {
String str = "" + val;
if (str.length() == 1) {
str = "0" + str;
}
return str;
}
void renderPages() {
//surface.setSize(PAGE_W_PIXELS, PAGE_H_PIXELS / SEGMENTS);
//delay(1000);
int cursor;
int leftX;
int topY;
int perfLeft;
int perfRight;
int perfTop;
int soundTop;
int soundLeft;
boolean hasFrames = false;
frameBlank.beginDraw();
frameBlank.background(BACKGROUND);
frameBlank.endDraw();
for (int page = 0; page < PAGES; page++) {
pageBuffer.beginDraw();
pageBuffer.textSize(60);
pageBuffer.clear();
pageBuffer.background(255);
pageBuffer.stroke(0);
pageBuffer.noFill();
//draw calibration marks to be overwritten if needed
pageBuffer.rect(0, 0, 10 * DPMM, 10 * DPMM);
pageBuffer.rect(((16 * COLUMNS) * DPMM) - (10 * DPMM) - 1, 0, 10 * DPMM, 10 * DPMM);
pageBuffer.rect(((16 * COLUMNS) * DPMM) - (10 * DPMM) - 1, ((ROWS * (SPACING / DPMM)) * DPMM) - (10 * DPMM) - 1, 10 * DPMM, 10 * DPMM);
pageBuffer.rect(0, ((ROWS * (SPACING / DPMM)) * DPMM) - (10 * DPMM) - 1, 10 * DPMM, 10 * DPMM);
//pageBuffer.stroke(0);
for (int x = 0; x < COLUMNS; x++) {
//pageBuffer.line(x * (16 * DPMM), 0, x * (16 * DPMM), PAGE_H_PIXELS);
for (int y = 0; y < ROWS; y++) {
cursor = (page * (COLUMNS * ROWS)) + (x * ROWS) + y;
if (cursor >= FRAMES) {
hasFrames = false;
break;
}
hasFrames = true;
println("Frame " + cursor + "/" + FRAMES);
topY = (y * SPACING) + FRAME_LINE;
leftX = x * (round(16 * DPMM)) + LEFT_PAD;
perfTop = round((y * SPACING) - ((PERF_H / 2) * DPMM));
pageBuffer.noStroke();
pageBuffer.fill(BACKGROUND);
pageBuffer.rect(x * (round(16 * DPMM)), (y * SPACING), round(16*DPMM), SPACING);
if (SHOW_PERFS){
perfLeft = round(x * (round(16 * DPMM)) + (.85 * DPMM));
pageBuffer.fill(PERFS_COLOR);
//rect([1.829, 1.27, 2], d = .5, center = true);
//.85 from side
pageBuffer.rect(perfLeft, perfTop, PERF_W * DPMM, PERF_H * DPMM, .26 * DPMM);
//last perf
if (y == ROWS - 1) {
perfTop = round(((y + 1) * SPACING) - ((PERF_H / 2) * DPMM));
pageBuffer.rect(perfLeft, perfTop, PERF_W * DPMM, PERF_H * DPMM, .26 * DPMM);
}
}
if (SHOW_PERFS && PERFS == 2) {
perfRight = round((x + 1) * (round(16 * DPMM)) - (PERF_W * DPMM) - (.85 * DPMM));
pageBuffer.rect(perfRight, perfTop, PERF_W * DPMM, PERF_H * DPMM, .26 * DPMM);
if (y == ROWS - 1) {
perfTop = round(((y + 1) * SPACING) - ((PERF_H / 2) * DPMM));
pageBuffer.rect(perfRight, perfTop, PERF_W * DPMM, PERF_H * DPMM, .26 * DPMM);
}
}
if (frames[cursor].equals("_BLANK_")) {
pageBuffer.image(frameBlank, leftX, topY, FRAME_W, FRAME_H);
} else {
frameBuffer = loadImage(frames[cursor]);
if (NEGATIVE) {
frameBuffer.filter(INVERT);
}
frameBuffer.resize(FRAME_W, FRAME_H);
pageBuffer.image(frameBuffer, leftX, topY, FRAME_W, FRAME_H);
}
if (!SOUND.equals("")) {
soundTop = y * SPACING;
soundLeft = (x * round(16 * DPMM)) + LEFT_PAD + FRAME_W + round(0.3368 * DPMM);
try {
soundBuffer = soundtrack.buffer(cursor);
if (soundBuffer != null) {
pageBuffer.image(soundBuffer, soundLeft, soundTop, round((12.52 - 10.26 - 0.3368) * DPMM), SPACING);
}
} catch (Error e) {
//
}
}
if (hasFrames) {
text((x + 1) + "", (x * 16 * DPMM) + (8 * DPMM), ROWS * SPACING + 20);
}
}
}
pageBuffer.endDraw();
pageBuffer.save(RENDER_PATH + "page_" + page + ".tif");
println("Saved page_" + page + ".tif");
}
printInfo();
exit();
}