Minor bug fixes

library/src/main/java/com/yausername/youtubedl_android/StreamProcessExtractor.java

@@ -24,6 +24,8 @@ class StreamProcessExtractor extends Thread {
     private final DownloadProgressCallback callback;
 
     private final Pattern p = Pattern.compile("\\[download\\]\\s+(\\d+\\.\\d)% .* ETA (\\d+):(\\d+)");
+    private float progress = PERCENT;
+    private long eta = ETA;
 
     public StreamProcessExtractor(StringBuffer buffer, InputStream stream, DownloadProgressCallback callback) {
         this.stream = stream;
@@ -59,15 +61,15 @@ private void processOutputLine(String line) {
     private float getProgress(String line) {
         final Matcher matcher = p.matcher(line);
         if (matcher.find())
-            return Float.parseFloat(matcher.group(GROUP_PERCENT));
-        return PERCENT;
+            return progress = Float.parseFloat(matcher.group(GROUP_PERCENT));
+        return progress;
     }
 
     private long getEta(String line) {
         final Matcher matcher = p.matcher(line);
         if (matcher.find())
-            return convertToSeconds(matcher.group(GROUP_MINUTES), matcher.group(GROUP_SECONDS));
-        return ETA;
+            return eta = convertToSeconds(matcher.group(GROUP_MINUTES), matcher.group(GROUP_SECONDS));
+        return eta;
     }
 
     private int convertToSeconds(String minutes, String seconds) {

library/src/main/java/com/yausername/youtubedl_android/YoutubeDL.java

@@ -146,11 +146,15 @@ public YoutubeDLResponse execute(YoutubeDLRequest request) throws YoutubeDLExcep
         return execute(request, null);
     }
 
+    private boolean ignoreErrors(YoutubeDLRequest request, String out) {
+        return request.hasOption("--dump-json") && !out.isEmpty() && request.hasOption("--ignore-errors");
+    }
+
     public YoutubeDLResponse execute(YoutubeDLRequest request, @Nullable DownloadProgressCallback callback) throws YoutubeDLException, InterruptedException {
         assertInit();
 
         // disable caching unless explicitly requested
-        if(request.getOption("--cache-dir") == null){
+        if(!request.hasOption("--cache-dir") || request.getOption("--cache-dir") == null){
             request.addOption("--no-cache-dir");
         }
 
@@ -197,7 +201,7 @@ public YoutubeDLResponse execute(YoutubeDLRequest request, @Nullable DownloadPro
         String out = outBuffer.toString();
         String err = errBuffer.toString();
 
-        if (exitCode > 0) {
+        if (exitCode > 0 && !ignoreErrors(request, out)) {
             throw new YoutubeDLException(err);
         }
 

library/src/main/java/com/yausername/youtubedl_android/YoutubeDLOptions.java

@@ -30,6 +30,10 @@ public Object getOption(String key){
         return options.get(key);
     }
 
+    public boolean hasOption(String key){
+        return options.containsKey(key);
+    }
+
     public List<String> buildOptions(){
         List<String> optionsList = new ArrayList<>();
         for (Map.Entry<String, String> entry : options.entrySet()) {

library/src/main/java/com/yausername/youtubedl_android/YoutubeDLRequest.java

@@ -38,6 +38,10 @@ public Object getOption(String key){
         return options.getOption(key);
     }
 
+    public boolean hasOption(String key){
+        return options.hasOption(key);
+    }
+
     public List<String> buildCommand(){
         List<String> command = new ArrayList<>();
         command.addAll(options.buildOptions());