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AudioVideoProcessor.java
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AudioVideoProcessor.java
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package csci576;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;
import java.util.stream.Collectors;
import org.openimaj.video.xuggle.XuggleVideo;
public class AudioVideoProcessor {
public static LinkedHashSet<Logo> logos = new LinkedHashSet<>();
public static LinkedHashSet<Logo> audioLogos = new LinkedHashSet<>();
public static String[] adLogos = { "/Users/mukesh/Downloads/dataset/Videos/starbucks_logo.rgb",
"/Users/mukesh/Downloads/dataset/Videos/subway_logo.rgb",
"/Users/mukesh/Downloads/dataset/Videos/nfl_logo.rgb",
"/Users/mukesh/Downloads/dataset/Videos/Mcdonalds_logo.bmp",
"/Users/mukesh/Downloads/dataset/Videos/ae_logo.rgb",
"/Users/mukesh/Downloads/dataset/Videos/hrc_logo.rgbp"};
public static class Shot {
public int start, end;
public Category category;
double avgAmp;
Logo logo;
// sampleCount = length()/30*audio frame rate
int sampleCount;
// signChangeFreq measure frequencies per frame
double signChangeFreq;
int logos[];
public Shot(int s, int e) {
start = s;
end = e;
category = Category.EITHER;
avgAmp = 0;
sampleCount = 0;
logo = Logo.NONE;
logos = new int[4];
}
public int length() {
return end - start;
}
public void addSample(double s) {
avgAmp += s;
++sampleCount;
}
public void avgSample() {
if (sampleCount != 0) {
avgAmp /= sampleCount;
}
}
}
public enum Category {
NO_ADVRT, ADVRT, EITHER
}
public enum Logo {
STARBUCKS(0), SUBWAY(1), NFL(2), MCDONALDS(3), HARDROCK(5), AMERICANEAGLE(4), NONE(-1);
int key;
Logo(int k) {
key = k;
}
}
public static final int WIDTH = 480;
public static final int HEIGHT = 270;
/**
* Analyzes entropies in a video and divides it into shots
*/
public static Shot[] analyzeVideo(String videopath) throws IOException {
// Analyze Video
// Turn file into path
File f = new File(videopath);
InputStream videoStream = new FileInputStream(f);
// Previous values for calculating differences
double prevEntY = 0, prevEntR = 0, prevEntG = 0, prevEntB = 0;
double prevDifY = 0, prevDifR = 0, prevDifG = 0, prevDifB = 0;
// Get the shot transition frames; shots are between these frames
ArrayList<Integer> borders = new ArrayList<Integer>();
int numRead = 0;
int frame = 1;
byte bytes[] = new byte[3 * WIDTH * HEIGHT];
for (frame = 1; numRead != -1; ++frame) {
int offset = 0;
while (offset < bytes.length && (numRead = videoStream.read(bytes, offset, bytes.length - offset)) >= 0) {
offset += numRead;
}
double entY = 0;
double entR = 0;
double sumG = 0;
double sumB = 0;
// Space of each component to calculate frequencies
int[] YSpace = new int[256];
int[] RSpace = new int[256];
int[] GSpace = new int[256];
int[] BSpace = new int[256];
int ind = 0;
for (int y = 0; y < HEIGHT; y++) {
for (int x = 0; x < WIDTH; x++) {
// Read RGB from buffer for frame
int r = bytes[ind];
int g = bytes[ind + HEIGHT * WIDTH];
int b = bytes[ind + HEIGHT * WIDTH * 2];
int Y = (int) (0.299 * r + 0.587 * g + 0.114 * b);
// Normalize values
Y = Math.max(0, Y);
Y = Math.min(255, Y);
r = Math.max(0, r);
r = Math.min(255, r);
g = Math.max(0, g);
g = Math.min(255, g);
b = Math.max(0, b);
b = Math.min(255, b);
// Increase frequency for those values in their respective
// spaces
++YSpace[Y];
++RSpace[r];
++GSpace[g];
++BSpace[b];
ind++;
}
}
// Calculate entropies for each space
for (int index : YSpace) {
if (index != 0) {
double prob = index * 1.0 / (WIDTH * HEIGHT);
entY += prob * Math.log(index) / Math.log(2);
}
}
for (int index : RSpace) {
if (index != 0) {
double prob = index * 1.0 / (WIDTH * HEIGHT);
entR += prob * Math.log(index) / Math.log(2);
}
}
for (int index : GSpace) {
if (index != 0) {
double prob = index * 1.0 / (WIDTH * HEIGHT);
sumG += prob * Math.log(index) / Math.log(2);
}
}
for (int index : BSpace) {
if (index != 0) {
double prob = index * 1.0 / (WIDTH * HEIGHT);
sumB += prob * Math.log(index) / Math.log(2);
}
}
// Calculate the change in entropies with the previous values
double difY = Math.abs(prevEntY - entY);
double difR = Math.abs(prevEntR - entR);
double difG = Math.abs(prevEntG - sumG);
double difB = Math.abs(prevEntB - sumB);
boolean checked = true;
// If the change in entropy is above a certain small threshold
if (difY > 0.4 || (difR > 0.35 || difG > 0.35 || difB > 0.35)) {
// Then if this change is significantly bigger than previous
// changes
if ((prevDifY == 0 || prevDifY != 0 && difY / prevDifY > 100)
|| (prevDifR == 0 || prevDifR != 0 && difR / prevDifR > 100)
|| (prevDifG == 0 || prevDifG != 0 && difG / prevDifG > 100)
|| (prevDifB == 0 || prevDifB != 0 && difB / prevDifB > 100)) {
// Add to shot borders list
checked = false;
borders.add(frame);
}
}
// If the change in entropy is above a certain medium threshold
if (difY > 0.5 || (difR > 0.5 || difG > 0.5 || difB > 0.5)) {
// Then if this change is moderately bigger than previous
// changes
if ((prevDifY == 0 || prevDifY != 0 && difY / prevDifY > 50)
|| (prevDifR == 0 || prevDifR != 0 && difR / prevDifR > 50)
|| (prevDifG == 0 || prevDifG != 0 && difG / prevDifG > 50)
|| (prevDifB == 0 || prevDifB != 0 && difB / prevDifB > 50)) {
// If we haven't already added this value
if (checked) {
checked = false;
borders.add(frame);
}
}
}
// If the change in entropy is above a certain large threshold
if (difY > 0.7 || (difR > 0.7 || difG > 0.7 || difB > 0.7)) {
// Then if this change is slightly bigger than previous changes
if ((prevDifY == 0 || prevDifY != 0 && difY / prevDifY > 10)
|| (prevDifR == 0 || prevDifR != 0 && difR / prevDifR > 10)
|| (prevDifG == 0 || prevDifG != 0 && difG / prevDifG > 10)
|| (prevDifB == 0 || prevDifB != 0 && difB / prevDifB > 10)) {
// If we haven't already added this value
if (checked) {
borders.add(frame);
}
}
}
// Set previous values
prevEntY = entY;
prevDifY = difY;
prevDifR = difR;
prevDifG = difG;
prevDifB = difB;
prevEntR = entR;
prevEntG = sumG;
prevEntB = sumB;
}
// Close the input stream like a responsible adult
videoStream.close();
// Last shot ends when video ends
borders.add(frame);
// N borders means N-1 shots
Shot shots[] = new Shot[borders.size() - 1];
// Convert borders to shots
int start = borders.get(0);
for (int i = 1; i < borders.size(); ++i) {
int end = borders.get(i);
shots[(i - 1)] = new Shot(start, end - 1);
start = end;
}
for (Shot shot : shots) {
if (shot.length() < 120) {
shot.category = Category.ADVRT;
} else if (shot.length() > 300) {
shot.category = Category.NO_ADVRT;
}
}
return shots;
}
public static Shot[] analyzeAudio(String audiopath, Shot[] shots) throws UnsupportedAudioFileException, IOException {
//Analyze Audio
File audio = new File(audiopath);
//Get info about audio file
AudioInputStream stream = AudioSystem.getAudioInputStream(audio);
AudioFormat format = stream.getFormat();
double framerate = format.getFrameRate();
int framesize = format.getFrameSize();
boolean bigend = format.isBigEndian();
//Buffer to store samples
byte[] buffer = new byte[framesize];
int read = 0;
int offset = 0;
int x, y;
int shotOffset = 0;
int sign = 1;
int signCount = 0;
for (int curFrame = 0; (read = stream.read(buffer)) > 0; ++curFrame) {
if (read != framesize) {
offset = read;
while (offset < framesize && (read = stream.read(buffer, offset, framesize - offset)) >= 0) {
offset += read;
}
}
if (!bigend) {
x = buffer[1] << 8;
y = buffer[0];
}
else {
x = buffer[0] << 8;
y = buffer[1];
}
double xy = x | y;
//sample frame 0 maps to frame 1, sample frame 48000 (framerate) maps to frame 31
int videoFrame = (int)((curFrame / framerate) * 30) + 1;
//To be honest, shouldn't even be too big a deal if I'm off by a few sample frames
if (videoFrame > shots[shotOffset].end) {
shots[shotOffset].signChangeFreq = signCount * 1.0 / shots[shotOffset].length();
signCount = 0;
sign = 1;
++shotOffset;
}
shots[shotOffset].addSample(Math.abs(xy / Short.MAX_VALUE));
if (sign * xy < 0) {
sign = (xy < 0 ? -1 : 1);
++signCount;
}
}
shots[shotOffset].signChangeFreq = signCount * 1.0 / shots[shotOffset].length();
for (Shot s : shots) {
s.avgSample();
}
return shots;
}
/**
* Cuts out the ad frames in a video
*/
public static void removeVideo(String videoIn, String videoOut, Shot[] shots) throws IOException {
File f = new File(videoIn);
InputStream videoStream = new FileInputStream(f);
FileOutputStream outStream = new FileOutputStream(videoOut);
int numRead = 0;
int frame = 1;
int curShot = -1;
int lastAdReplacedShot = -1;
byte bytes[] = new byte[3*WIDTH*HEIGHT];
//Count frames each time and go until end of file (numRead == -1)
List<Logo> listOfLogos = audioLogos.stream().collect(Collectors.toList());;
boolean curAdRepalcedShot = false;
for (frame = 1; numRead != -1; ++frame) {
int offset = 0;
while (offset < bytes.length && (numRead=videoStream.read(bytes, offset, bytes.length-offset)) >= 0) {
offset += numRead;
}
if(lastAdReplacedShot!=curShot) {
curAdRepalcedShot = false;
}
//curShot starts at -1 to ensure this block gets called whenever a scene starts
if (curShot == -1 || shots[curShot].end < frame) {
++curShot;
if (curShot == shots.length) {
break;
}
if (curShot > 0 && shots[curShot-1].category == Category.ADVRT && (shots[curShot].category == Category.NO_ADVRT || curShot == shots.length-1) && listOfLogos.size() > 0 ) {
if(curAdRepalcedShot==false){
curAdRepalcedShot = true;
lastAdReplacedShot = curShot;
System.out.println("Adding Video listOfLogoslogo " +listOfLogos.get(0).name() +" curShot " + curShot);
insertAdVideo(listOfLogos.get(0), outStream);
listOfLogos.remove(0);
}
}
}
if (shots[curShot].category == Category.NO_ADVRT) {
outStream.write(bytes);
}
}
videoStream.close();
outStream.close();
}
/**
* Cuts out ad audio
*/
public static void removeAudio(String audioIn, String audioOut, Shot[] shots) throws UnsupportedAudioFileException, IOException {
File audio = new File(audioIn);
AudioInputStream stream = AudioSystem.getAudioInputStream(audio);
AudioFormat format = stream.getFormat();
double framerate = format.getFrameRate();
int framesize = format.getFrameSize();
//buffer holds a frame of audio
byte buffer[] = new byte[(int)(framerate*framesize/30)];
//Temporary audio out file
FileOutputStream fout = new FileOutputStream(audioOut + ".temp");
//Init variables for loop
int read = 0;
int offset = 0;
int curShot = -1;
int length = 0;
int lastAdReplacedShot = -1;
List<Logo> listOfLogos =logos.stream().collect(Collectors.toList());;
boolean curAdRepalcedShot = false;
for (int frame = 1; (read = stream.read(buffer)) > 0; ++frame) {
if (read != framesize) {
offset = read;
while (offset < framesize && (read = stream.read(buffer, offset, framesize - offset)) >= 0) {
offset += read;
}
}
if(lastAdReplacedShot!=curShot) {
curAdRepalcedShot = false;
}
//curShot starts at -1 to ensure this block gets called whenever a scene starts
if (curShot == -1 || shots[curShot].end < frame) {
++curShot;
//If we somehow go past the end
if (curShot == shots.length) {
break;
}
//On every shot transition, if we get an ad shot labeled with a logo, add the new ad
if (curShot > 0 && shots[curShot-1].category == Category.ADVRT && (shots[curShot].category == Category.NO_ADVRT ||curShot == shots.length-1) && listOfLogos.size()>0) {
if(curAdRepalcedShot==false){
curAdRepalcedShot = true;
lastAdReplacedShot = curShot;
System.out.println("Adding Video listOfLogoslogo " +listOfLogos.get(0).name() +" curShot " + curShot);
length += insertAdAudio(listOfLogos.get(0), fout);
listOfLogos.remove(0);
}
}
}
if (shots[curShot].category == Category.NO_ADVRT) {
fout.write(buffer);
length += (int)(framerate/30);
}
}
stream.close();
fout.close();
//Take the data in the temp file and write it to an actual file
File out = new File(audioOut);
FileInputStream fin = new FileInputStream(audioOut + ".temp");
AudioInputStream as = new AudioInputStream(fin, format, length);
AudioSystem.write(as, AudioFileFormat.Type.WAVE, out);
fin.close();
as.close();
}
/**
* Insert an ad into a video
*/
public static void insertAdVideo(Logo logo, FileOutputStream vid) throws IOException {
InputStream videoStream = new FileInputStream(adVideos[logo.key]);
int numRead = 0;
byte bytes[] = new byte[3*WIDTH*HEIGHT];
//Go until end of file (numRead == -1)
while (numRead != -1) {
int offset = 0;
while (offset < bytes.length && (numRead=videoStream.read(bytes, offset, bytes.length-offset)) >= 0) {
offset += numRead;
}
vid.write(bytes);
}
videoStream.close();
}
/**
* Insert an ad into the audio and return the length of the added ad
*/
public static int insertAdAudio(Logo logo, FileOutputStream fout) throws IOException, UnsupportedAudioFileException {
File audio = new File(adAudios[logo.key]);
//Get info about audio file
AudioInputStream stream = AudioSystem.getAudioInputStream(audio);
AudioFormat format = stream.getFormat();
double framerate = format.getFrameRate();
int framesize = format.getFrameSize();
//buffer holds a frame of audio
byte buffer[] = new byte[(int)(framerate*framesize/30)];
int read = 0;
int offset = 0;
int length = 0;
while ((read = stream.read(buffer)) > 0) {
if (read != framesize) {
offset = read;
while (offset < framesize && (read = stream.read(buffer, offset, framesize - offset)) >= 0) {
offset += read;
}
}
fout.write(buffer);
length += (int)(framerate/30);
}
stream.close();
return length;
}
public static Random gen = new Random();
/**
* Find logos and use them to assign ad shots to new ads
*/
public static void processLogos(String videopath, Shot[] shots) throws IOException {
//Get logo counts for shots
int[][][] logos = Processor.readLogos();
Processor.analyzeVideo(videopath, logos, shots);
//Detect logos for shots
for (int i = 0; i < shots.length; ++i) {
if (shots[i].logos[Logo.SUBWAY.key] != 0
&& shots[i].logos[Logo.SUBWAY.key] > shots[i].logos[Logo.STARBUCKS.key]
&& shots[i].logos[Logo.SUBWAY.key] > shots[i].logos[Logo.NFL.key]) {
shots[i].logo = Logo.SUBWAY;
}
//Will go here if subway count is zero, sub < star, or sub < nfl
//so if star != 0, then star > nfl would also mean star > sub
//possibilities are star > nfl > sub, star > sub > nfl, nfl > star > sub, nfl > sub > star
else if (shots[i].logos[Logo.STARBUCKS.key] != 0
&& shots[i].logos[Logo.STARBUCKS.key] > shots[i].logos[Logo.NFL.key]) {
shots[i].logo = Logo.STARBUCKS;
}
//If we're here, then as long as nfl isn't 0 we're good
//Either other two are 0, or nfl >= starbucks
else if (shots[i].logos[Logo.NFL.key] != 0) {
shots[i].logo = Logo.NFL;
}
//McDonalds has the most false positives so just put it at lowest priority
else if (shots[i].logos[Logo.MCDONALDS.key] != 0) {
shots[i].logo = Logo.MCDONALDS;
}
}
//For each ad beginning shot, find the nearest logo
Queue<Logo> logoBacklog = new LinkedList<Logo>();
Queue<Integer> adBacklog = new LinkedList<Integer>();
for (int i = 0; i < shots.length; ++i) {
if (shots[i].logo != Logo.NONE) {
logoBacklog.add(shots[i].logo);
shots[i].logo = Logo.NONE;
if (!adBacklog.isEmpty()) {
shots[adBacklog.poll()].logo = logoBacklog.poll();
}
}
if (shots[i].category == Category.ADVRT) {
if ((i == 0 || shots[i-1].category != Category.ADVRT) && shots[i].logo == Logo.NONE) {
if (!logoBacklog.isEmpty()) {
shots[i].logo = logoBacklog.poll();
}
else {
adBacklog.add(i);
}
}
}
}
//default value if above cases fail to detect
for (int i = 0; i < shots.length; ++i) {
if (shots[i].category == Category.ADVRT) {
if ((i == 0 || shots[i-1].category != Category.ADVRT) && shots[i].logo == Logo.NONE) {
switch(gen.nextInt(4)) {
case 0: shots[i].logo = Logo.STARBUCKS; break;
case 1: shots[i].logo = Logo.SUBWAY; break;
case 2: shots[i].logo = Logo.NFL; break;
default: shots[i].logo = Logo.MCDONALDS;
}
}
}
}
}
public static String[] adVideos = { "/Users/mukesh/Downloads/dataset/Videos/Starbucks_Ad_15s.rgb",
"/Users/mukesh/Downloads/dataset/Videos/Subway_Ad_15s.rgb",
"/Users/mukesh/Downloads/dataset/Videos/nfl_Ad_15s.rgb",
"/Users/mukesh/Downloads/dataset/Videos/mcd_Ad_15s.rgb",
"/Users/mukesh/Downloads/dataset/Videos/ae_ad_15s.rgb",
"/Users/mukesh/Downloads/dataset/Videos/hrc_ad_15s.rgb"};
public static String[] adAudios = { "/Users/mukesh/Downloads/dataset/Videos/Starbucks_Ad_15s.wav",
"/Users/mukesh/Downloads/dataset/Videos/Subway_Ad_15s.wav",
"/Users/mukesh/Downloads/dataset/Videos/nfl_Ad_15s.wav",
"/Users/mukesh/Downloads/dataset/Videos/mcd_Ad_15s.wav",
"/Users/mukesh/Downloads/dataset/Videos/ae_ad_15s.wav",
"/Users/mukesh/Downloads/dataset/Videos/hrc_ad_15s.wav"};
public static String[] aviAudios = { "/Users/mukesh/Downloads/dataset/Videos/data_test1_cmp.avi",
"/Users/mukesh/Downloads/dataset/Videos/data_test2_cmp.avi",
"/Users/mukesh/Downloads/dataset/Videos/data_test3_cmp.avi"
};
public static String[] brandImages = {"/Users/mukesh/Downloads/dataset/BrandImages",
"/Users/mukesh/Downloads/dataset2/BrandImages",
"/Users/mukesh/Downloads/dataset3/BrandImages"
};
public static String prePath = "/Users/mukesh/Downloads/";
public static String videopath = "dataset/Videos/data_test2.rgb";
public static String audiopath = "dataset/Videos/data_test2.wav";
public static void main(String[] args) throws Exception {
//Get input file name
String videoout = "video.rgb";
String audioout = "audio.wav";
int datasetNumber = 1;
if (args.length > 0) {
videopath = args[0];
}
if (args.length > 1) {
audiopath = args[1];
}
if (args.length > 2) {
videoout = args[2];
}
if (args.length > 3) {
audioout = args[3];
}
if (args.length > 4) {
datasetNumber = Integer.parseInt(args[4]);
}
System.out.println("Processing videos " + aviAudios[datasetNumber-1]);
System.out.println("Brand Image " + brandImages[datasetNumber-1]);
System.out.println(" Processing Dataset number " + datasetNumber);
//Get shots from video by analyzing video and audio
System.out.println("Analyzing Video for shots...");
Shot[] shots = analyzeVideo(videopath);
System.out.println("Analyzing Audio to supplement video shot removing...");
analyzeAudio(audiopath, shots);
System.out.println("Labeling shots...");
//Step 1: look for isolated shots and join labels with neighbors
for (int i = 0; i < shots.length; ++i) {
Set<Category> neighbors = new HashSet<Category>();
if (i != 0) {
neighbors.add(shots[i-1].category);
}
if (i != shots.length - 1) {
neighbors.add(shots[i+1].category);
}
if (shots[i].category == Category.EITHER || shots[i].category == Category.ADVRT) {
if (neighbors.contains(Category.NO_ADVRT) && neighbors.size() == 1) {
shots[i].category = Category.NO_ADVRT;
}
else if (neighbors.contains(Category.ADVRT) && neighbors.size() == 1) {
shots[i].category = Category.ADVRT;
}
}
}
//Step 2: Compare average amplitudes with neighbors. Choose closest neighbor
for (int i = 0; i < shots.length; ++i) {
if (i != 0 && shots[i].category == Category.EITHER) {
if (Math.abs(shots[i].avgAmp - shots[i-1].avgAmp) <= 0.01) {
shots[i].category = shots[i-1].category;
}
}
if (i != shots.length-1 && shots[i].category == Category.EITHER) {
if (Math.abs(shots[i].avgAmp - shots[i+1].avgAmp) <= 0.01) {
shots[i].category = shots[i+1].category;
}
}
}
//Step 3: Compare my bootleg frequencies.
for (int i = 1; i < shots.length - 1; ++i) {
if (shots[i].category == Category.EITHER) {
if (Math.abs(shots[i].signChangeFreq - shots[i-1].signChangeFreq) < Math.abs(shots[i].signChangeFreq - shots[i+1].signChangeFreq)) {
shots[i].category = shots[i-1].category;
}
else {
shots[i].category = shots[i+1].category;
}
}
}
for (int i = 0; i < shots.length; ++i) {
if (shots[i].category == Category.EITHER) {
for (int j = 1; j <= shots.length; ++j) {
if (i - j >= 0) {
if (shots[j].category != Category.EITHER) {
shots[i].category = shots[j].category;
break;
}
}
if (i + j < shots.length) {
if (shots[j].category != Category.EITHER) {
shots[i].category = shots[j].category;
break;
}
}
}
}
}
for (Shot s : shots) {
System.out.println("Shot: " + s.start + "-" + s.end + ", " + s.category.name());
}
XuggleVideo video = new XuggleVideo(new File(aviAudios[datasetNumber-1]));
LinkedList<String> logoDetectedList = FrameAnalyzer.detectLogos(video, 0.07f, "/Users/mukesh/Downloads/dataset3/BrandImages/");
logoDetectedList.stream().forEach(x->{
System.out.println("Logo received "+ x);
});
//
for(String brandName : logoDetectedList)
{
if(brandName.replaceAll(" ", "").contains(Logo.AMERICANEAGLE.name().toLowerCase())){
logos.add(Logo.AMERICANEAGLE);
} else if(brandName.replaceAll(" ", "").contains(Logo.HARDROCK.name().toLowerCase())){
logos.add(Logo.HARDROCK);
} else if(brandName.replaceAll(" ", "").contains(Logo.MCDONALDS.name().toLowerCase())){
logos.add(Logo.MCDONALDS);
} else if(brandName.replaceAll(" ", "").contains(Logo.NFL.name().toLowerCase())){
logos.add(Logo.NFL);
} else if(brandName.replaceAll(" ", "").contains(Logo.STARBUCKS.name().toLowerCase())){
logos.add(Logo.STARBUCKS);
} else if(brandName.replaceAll(" ", "").contains(Logo.SUBWAY.name().toLowerCase())){
logos.add(Logo.SUBWAY);
}
}
logos.stream().forEach(x->{
System.out.println("Logo Added "+ x);
});
System.out.println("removing ad video...");
audioLogos = (LinkedHashSet<Logo>) logos.clone();
removeVideo(videopath, videoout, shots);
System.out.println("Removing ad audio...");
removeAudio(audiopath, audioout, shots);
}
}