KnarCraft/FFmpegConvert
KnarCraft/FFmpegConvert
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Rewrites a lot of code

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Streams are now parsed to objects, making it easier to get required information.
Improved styling.
Some better comments.
Better input parsing.
This commit is contained in:
Kristian Knarvik 2019-10-06 01:02:47 +02:00
parent 0a39a69e73
commit 20e6df04f1
10 changed files with 684 additions and 429 deletions
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297
.idea/workspace.xml
View File

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6
src/ffmpegconverter/Main.java
View File

@ -25,7 +25,7 @@ public class Main {
//parser(tokenizer("AnimeConverter \"C:\\Users\\Kristian\\Downloads\\Anime\\[Kametsu] ERASED (BD 1080p Hi10 FLAC)\""));
//System.exit(1);
int choice = getChoice("Which converter do you want do use?\n1. Anime to web mp4\n2. Audio converter\n3. Video converter", 1, 3);
int choice = getChoice("Which converter do you want do use?\n1. Anime to web mp4\n2. Audio converter\n3. VideoStream converter", 1, 3);
System.out.println("Input for this converter:");
switch (choice) {
@ -183,8 +183,8 @@ public class Main {
private static void animeConverter() {
System.out.println("[Audio languages jpn,eng,ger,fre] [Subtitle languages eng,ger,fre] [Convert to stereo if necessary true/false] [Prevent signs&songs subtitles true/false]\nYour input: ");
List<String> input = readInput(4);
String[] audioLang = new String[]{"jpn"};
String[] subtitleLang = new String[]{"eng"};
String[] audioLang = new String[]{"jpn", "*"};
String[] subtitleLang = new String[]{"eng", "*"};
boolean toStereo = true;
boolean preventSigns = true;
if (input.size() > 0 && getList(input, 0) != null) {

102
src/ffmpegconverter/converter/AnimeConverter.java
View File

@ -1,5 +1,10 @@
package ffmpegconverter.converter;
import ffmpegconverter.streams.AudioStream;
import ffmpegconverter.streams.StreamObject;
import ffmpegconverter.streams.SubtitleStream;
import ffmpegconverter.streams.VideoStream;
import java.io.File;
import java.io.IOException;
import java.util.List;
@ -40,9 +45,9 @@ public class AnimeConverter extends Converter {
* @throws IOException If the BufferedReader fails
*/
private void processFile(File folder, File file) throws IOException {
String[] streams = probeFile(ffprobePath, file);
if (streams.length == 0) {
throw new IllegalArgumentException("The file has no streams");
List<StreamObject> streams = probeFile(ffprobePath, file);
if (streams.size() == 0) {
throw new IllegalArgumentException("The file has no valid streams. Please make sure the file exists and is not corrupt.");
}
String newPath = fileCollisionPrevention(folder.getAbsolutePath() + File.separator + stripExtension(file) + ".mp4", "mp4");
convertProcess(new ProcessBuilder(builderCommand(ffmpegPath, file.getName(), streams, newPath)), folder);
@ -57,73 +62,64 @@ public class AnimeConverter extends Converter {
* @param outFile The output file
* @return A list of commands
*/
private String[] builderCommand(String executable, String fileName, String[] streams, String outFile) {
private String[] builderCommand(String executable, String fileName, List<StreamObject> streams, String outFile) {
List<String> command = ffmpegWebVideo(executable, fileName);
if (this.debug) {
addDebug(command, 50, 120);
}
for (String lang : audioLang) {
List<Integer> audioStreams = listAudio(streams, lang);
List<AudioStream> audioStreams = filterStreamsByType(streams, "audio");
List<VideoStream> videoStreams = filterStreamsByType(streams, "video");
List<SubtitleStream> subtitleStreams = filterStreamsByType(streams, "subtitle");
audioStreams = filterAudioStreams(audioStreams, audioLang);
subtitleStreams = filterSubtitleStreams(subtitleStreams, subtitleLang, preventSignsAndSongs);
VideoStream videoStream = null;
AudioStream audioStream = null;
SubtitleStream subtitleStream = null;
if (videoStreams.size() > 0) {
videoStream = videoStreams.get(0);
}
if (audioStreams.size() > 0) {
audioStream = audioStreams.get(0);
}
if (subtitleStreams.size() > 0) {
subtitleStream = subtitleStreams.get(0);
}
if (videoStream == null) {
throw new IllegalArgumentException("The file does not have any valid video streams.");
}
if (audioStream != null) {
command.add("-map");
command.add("0:" + audioStreams.get(0));
String[] channels = stringBetween(streams[audioStreams.get(0)], "channels=", " ");
if (toStereo && channels.length > 0 && Integer.parseInt(channels[0]) > 2) {
command.add("0:" + audioStream.getAbsoluteIndex());
if (toStereo && audioStream.getChannels() > 2) {
command.add("-af");
command.add("pan=stereo|FL=FC+0.30*FL+0.30*BL|FR=FC+0.30*FR+0.30*BR");
}
break;
} else {
audioStreams = listAudio(streams);
if (audioStreams.size() > 0) {
}
if (subtitleStream != null && subtitleStream.getIsImageSubtitle()) {
command.add("-filter_complex");
command.add("[0:v:" + videoStream.getAbsoluteIndex() + "][0:" + subtitleStream.getAbsoluteIndex() + "]overlay");
} else if (subtitleStream != null) {
command.add("-map");
command.add("0:" + audioStreams.get(0));
command.add("0:" + videoStream.getAbsoluteIndex());
command.add("-vf");
command.add("subtitles='" + fileName.replace("'", "\'") + "':si=" +
subtitleStream.getRelativeIndex());
} else {
command.add("-map");
command.add("0:" + videoStream.getAbsoluteIndex());
}
}
}
addSubtitles(streams, listVideo(streams), command, fileName);
command.add(outFile);
return command.toArray(new String[0]);
}
private void addSubtitles(String[] streams, List<Integer> videoStreams, List<String> command, String fileName) {
for (String lang : subtitleLang) {
List<Integer> subtitleStreams;
List<Integer> subtitleStreamsAbsolute;
if (lang.equals("*")) {
subtitleStreams = listSubtitlesRelative(streams);
subtitleStreamsAbsolute = listSubtitles(streams);
} else if (preventSignsAndSongs) {
subtitleStreams = listSubtitlesRelative(streams, lang, new String[]{"title=Signs", "Signs/Songs"});
subtitleStreamsAbsolute = listSubtitles(streams, lang, new String[]{"title=Signs", "Signs/Songs"});
} else {
subtitleStreams = listSubtitlesRelative(streams, lang);
subtitleStreamsAbsolute = listSubtitles(streams, lang);
}
if (subtitleStreams.size() > 0 && videoStreams.size() > 0 && isImageSub(streams, subtitleStreamsAbsolute.get(0))) {
command.add("-filter_complex");
command.add("[0:v:" + listVideo(streams).get(0) + "][0:" + subtitleStreamsAbsolute.get(0) + "]overlay");
break;
} else if (subtitleStreams.size() > 0) {
if (videoStreams.size() > 0) {
command.add("-map");
command.add("0:" + listVideo(streams).get(0));
}
if (subtitleStreams.size() > 0) {
command.add("-vf");
command.add("subtitles='" + fileName.replace("'", "\'") + "':si=" + subtitleStreams.get(0));
}
break;
} else {
command.add("-map");
command.add("0:" + listVideo(streams).get(0));
}
}
}
@Override
public String[] getValidFormats() {
return VIDEO_FORMATS;

136
src/ffmpegconverter/converter/AudioConverter.java
View File

@ -1,11 +1,11 @@
package ffmpegconverter.converter;
import ffmpegconverter.streams.AudioStream;
import ffmpegconverter.streams.StreamObject;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
public class AudioConverter extends Converter {
private String newExt;
@ -24,8 +24,8 @@ public class AudioConverter extends Converter {
* @throws IOException If the BufferedReader fails
*/
private void processFile(File folder, File file, String newExt) throws IOException {
String[] streams = probeFile(ffprobePath, file);
if (streams.length == 0) {
List<StreamObject> streams = probeFile(ffprobePath, file);
if (streams.size() == 0) {
throw new IllegalArgumentException("The file has no streams");
}
String newPath = stripExtension(file) + "." + newExt;
@ -41,12 +41,16 @@ public class AudioConverter extends Converter {
* @param outFile The output file
* @return A list of commands
*/
private String[] builderCommand(String executable, String fileName, String[] streams, String outFile) {
private String[] builderCommand(String executable, String fileName, List<StreamObject> streams, String outFile) {
List<String> command = generalFile(executable, fileName);
List<Integer> audioStreams = listAudio(streams);
List<AudioStream> audioStreams = filterStreamsByType(streams, "audio");
AudioStream audioStream = null;
if (audioStreams.size() > 0) {
audioStream = audioStreams.get(0);
}
if (audioStreams.size() > 0) {
command.add("-map");
command.add("0:" + audioStreams.get(0));
command.add("0:" + audioStream.getAbsoluteIndex());
}
command.add(outFile);
return command.toArray(new String[0]);
@ -61,120 +65,4 @@ public class AudioConverter extends Converter {
public void convert(File file) throws IOException {
processFile(file.getParentFile(), file, newExt);
}
public class StringList implements List<String> {
@Override
public int size() {
return 0;
}
@Override
public boolean isEmpty() {
return false;
}
@Override
public boolean contains(Object o) {
return false;
}
@Override
public Iterator<String> iterator() {
return null;
}
@Override
public Object[] toArray() {
return new Object[0];
}
@Override
public <T> T[] toArray(T[] a) {
return null;
}
@Override
public boolean add(String string) {
return false;
}
@Override
public boolean remove(Object o) {
return false;
}
@Override
public boolean containsAll(Collection<?> c) {
return false;
}
@Override
public boolean addAll(Collection<? extends String> c) {
return false;
}
@Override
public boolean addAll(int index, Collection<? extends String> c) {
return false;
}
@Override
public boolean removeAll(Collection<?> c) {
return false;
}
@Override
public boolean retainAll(Collection<?> c) {
return false;
}
@Override
public void clear() {
}
@Override
public String get(int index) {
return null;
}
@Override
public String set(int index, String element) {
return null;
}
@Override
public void add(int index, String element) {
}
@Override
public String remove(int index) {
return null;
}
@Override
public int indexOf(Object o) {
return 0;
}
@Override
public int lastIndexOf(Object o) {
return 0;
}
@Override
public ListIterator<String> listIterator() {
return null;
}
@Override
public ListIterator<String> listIterator(int index) {
return null;
}
@Override
public List<String> subList(int fromIndex, int toIndex) {
return null;
}
}
}

389
src/ffmpegconverter/converter/Converter.java
View File

@ -1,11 +1,17 @@
package ffmpegconverter.converter;
import ffmpegconverter.streams.AudioStream;
import ffmpegconverter.streams.StreamObject;
import ffmpegconverter.streams.SubtitleStream;
import ffmpegconverter.streams.VideoStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.function.Predicate;
@ -16,13 +22,27 @@ public abstract class Converter {
String ffprobePath;
String ffmpegPath;
private static final String PROBE_SPLIT_CHARACTER = "øæåÆØå";
public abstract String[] getValidFormats();
public abstract void convert(File file) throws IOException;
final String[] AUDIO_FORMATS = new String[] {".3gp", ".aa", ".aac", ".aax", ".act", ".aiff", ".amr", ".ape", ".au", ".awb", ".dct", ".dss", ".dvf", ".flac", ".gsm", ".iklax", ".ivs", ".m4a", ".m4b", ".m4p", ".mmf", ".mp3", ".mpc", ".msv", ".ogg", ".oga", ".mogg", ".opus", ".ra", ".rm", ".raw", ".sln", ".tta", ".vox", ".wav", ".wma", ".wv", ".webm", ".8svx"};
final String[] VIDEO_FORMATS = new String[] {".avi", ".mpg", ".mpeg", ".mkv", ".wmv", ".flv", ".webm", ".3gp", ".rmvb", ".3gpp", ".mts", ".m4v", ".mov", ".rm", ".asf", ".mp4", ".vob", ".ogv", ".drc", ".qt", ".yuv", ".asm", ".m4p", ".mp2", ".mpe", ".mpv", ".m2v", ".svi", ".3g2", ".roq", ".nsv"};
final String[] AUDIO_FORMATS = new String[] {".3gp", ".aa", ".aac", ".aax", ".act", ".aiff", ".amr", ".ape", ".au",
".awb", ".dct", ".dss", ".dvf", ".flac", ".gsm", ".iklax", ".ivs", ".m4a", ".m4b", ".m4p", ".mmf", ".mp3",
".mpc", ".msv", ".ogg", ".oga", ".mogg", ".opus", ".ra", ".rm", ".raw", ".sln", ".tta", ".vox", ".wav",
".wma", ".wv", ".webm", ".8svx"};
final String[] VIDEO_FORMATS = new String[] {".avi", ".mpg", ".mpeg", ".mkv", ".wmv", ".flv", ".webm", ".3gp",
".rmvb", ".3gpp", ".mts", ".m4v", ".mov", ".rm", ".asf", ".mp4", ".vob", ".ogv", ".drc", ".qt", ".yuv",
".asm", ".m4p", ".mp2", ".mpe", ".mpv", ".m2v", ".svi", ".3g2", ".roq", ".nsv"};
static String[] probeFile(String ffprobePath, File file) throws IOException {
/**
* Gets streams from a file
* @param ffprobePath The path/command to ffprobe
* @param file The file to probe
* @return A list of StreamObjects
* @throws IOException If the process can't be read
*/
static List<StreamObject> probeFile(String ffprobePath, File file) throws IOException {
ProcessBuilder builderProbe = new ProcessBuilder(
ffprobePath,
"-v",
@ -37,13 +57,13 @@ public abstract class Converter {
BufferedReader readerProbe = new BufferedReader(new InputStreamReader(processProbe.getInputStream()));
StringBuilder output = new StringBuilder();
while (processProbe.isAlive()) {
String read = read(readerProbe, " ");
String read = read(readerProbe, PROBE_SPLIT_CHARACTER);
if (!read.equals("")) {
System.out.print(read);
output.append(read);
}
}
return stringBetween(output.toString(), "[STREAM]", "[/STREAM]");
return parseStreams(stringBetween(output.toString(), "[STREAM]", "[/STREAM]"));
}
static String fileCollisionPrevention(String targetPath, String extension) {
@ -55,6 +75,12 @@ public abstract class Converter {
return file.toString();
}
/**
* Starts and prints output of a process
* @param process The process to run
* @param folder The folder the process should run in
* @throws IOException If the process can't be read
*/
static void convertProcess(ProcessBuilder process, File folder) throws IOException {
System.out.println(process.command());
process.directory(folder);
@ -113,6 +139,12 @@ public abstract class Converter {
return command;
}
/**
* Adds debugging parameters for only converting parts of a file
* @param command The list containing the command to run
* @param start The offset before converting
* @param length The offset for stopping the conversion
*/
static void addDebug(List<String> command, int start, int length) {
command.add("-ss");
command.add("" + start);
@ -120,156 +152,6 @@ public abstract class Converter {
command.add("" + length);
}
//TODO: Create a new object for subtitle containing language, relative index, absolute index and codec. Also signs & songs.
/**
* Checks for the occurrence of otf attachments signifying the existence of image based subtitles.
*
* @param list A list of ffprobe indexes
* @return True if otf attachments were found.
*/
static boolean isImageSub(String[] list, int index) {
return list[index].contains("codec_name=hdmv_pgs_subtitle");
//Filename .sup
}
/**
* Lists all video streams.
*
* @param list A list of ffprobe indexes
* @return An integer list containing just the wanted indexes
*/
static List<Integer> listVideo(String[] list) {
return listIndexes(list, (string) -> string.contains("codec_type=video"));
}
/**
* Lists all audio streams.
*
* @param list A list of ffprobe indexes
* @return An integer list containing just the wanted indexes
*/
static List<Integer> listAudio(String[] list) {
return listIndexes(list, (string) -> string.contains("codec_type=audio"));
}
/**
* Lists all audio streams of a certain language.
*
* @param list A list of ffprobe indexes
* @param lang The wanted language
* @return An integer list containing just the wanted indexes
*/
static List<Integer> listAudio(String[] list, String lang) {
return listIndexes(list, (string) -> string.contains("codec_type=audio") && string.contains("language=" + lang));
}
/**
* Lists all subtitle streams of a certain language relatively to the number of subtitle streams.
* 0-based.
* Filters out all indexes containing anything in illegal
*
* @param list A list of ffprobe indexes
* @param lang The wanted language
* @param illegal A list of strings not to allow (Songs & Signs for example)
* @return An integer list containing just the wanted indexes
*/
static List<Integer> listSubtitles(String[] list, String lang, String[] illegal) {
List<Integer> subtitles = listIndexes(list, (string) -> string.contains("codec_type=subtitle")
&& string.contains("language=" + lang));
List<Integer> notWanted = listIndexes(list, (string) -> {
for (String s : illegal) {
if (string.contains(s)) {
return true;
}
}
return false;
});
subtitles.removeAll(notWanted);
return subtitles;
}
/**
* Lists all subtitle streams of a certain language.
*
* @param list A list of ffprobe indexes
* @param lang The wanted language
* @return An integer list containing just the wanted indexes
*/
static List<Integer> listSubtitles(String[] list, String lang) {
return listIndexes(list, (string) -> string.contains("codec_type=subtitle") && string.contains("language=" + lang));
}
/**
* Lists all subtitle indexes for video.
*
* @param list A list of ffprobe indexes
* @return An integer list containing just the wanted indexes
*/
static List<Integer> listSubtitles(String[] list) {
return listIndexes(list, (string) -> string.contains("codec_type=subtitle"));
}
/**
* Lists all subtitle streams of a certain language relatively to the number of subtitle streams.
* 0-based.
* Filters out all indexes containing anything in illegal
*
* @param list A list of ffprobe indexes
* @param lang The wanted language
* @param illegal A list of strings not to allow (Songs & Signs for example)
* @return An integer list containing just the wanted indexes
*/
static List<Integer> listSubtitlesRelative(String[] list, String lang, String[] illegal) {
List<Integer> relative = listSubtitlesRelative(list, lang);
List<Integer> subtitles = listSubtitles(list, lang);
List<Integer> notWanted = new ArrayList<>();
for (int i = 0; i < relative.size(); i++) {
for (String ill : illegal) {
if (list[subtitles.get(i)].contains(ill)) {
notWanted.add(i);
}
}
}
relative.removeAll(notWanted);
return relative;
}
/**
* Lists all subtitle streams of a certain language relatively to the number of subtitle streams.
* 0-based.
*
* @param list A list of ffprobe indexes
* @param lang The wanted language
* @return An integer list containing just the wanted indexes
*/
static List<Integer> listSubtitlesRelative(String[] list, String lang) {
list = subList(list, (string) -> string.contains("codec_type=subtitle"));
List<Integer> wanted = new ArrayList<>();
for (int i = 0; i < list.length; i++) {
if (list[i].contains("language=" + lang)) {
wanted.add(i);
}
}
return wanted;
}
/**
* Lists all subtitle streams relatively to the number of subtitle streams.
* 0-based.
*
* @param list A list of ffprobe indexes
* @return An integer list containing just the wanted indexes
*/
static List<Integer> listSubtitlesRelative(String[] list) {
list = subList(list, (string) -> string.contains("codec_type=subtitle"));
List<Integer> wanted = new ArrayList<>();
for (int i = 0; i < list.length; i++) {
wanted.add(i);
}
return wanted;
}
/**
* Lists all indexes fulfilling a predicate.
*
@ -280,27 +162,26 @@ public abstract class Converter {
List<Integer> indexes = new ArrayList<>();
for (String str : list) {
if (p.test(str)) {
indexes.add(Integer.parseInt(stringBetweenSingle(str, "index=", " ")));
indexes.add(Integer.parseInt(stringBetweenSingle(str, "index=", PROBE_SPLIT_CHARACTER)));
}
}
return indexes;
}
/**
* Returns a new list of the string for which the predicate is true.
*
* @param list A list of ffprobe indexes
* @param p The predicate to test
* @return A sublist of the original list
* Tests a predicate on a list
* @param list A list
* @param p A predicate
* @param <T> Any type
* @return True if the list have an element for which the predicate is true
*/
private static String[] subList(String[] list, Predicate<String> p) {
List<String> indexes = new ArrayList<>();
for (String str : list) {
if (p.test(str)) {
indexes.add(str);
private static <T> boolean testPredicate(T[] list, Predicate<T> p) {
for (T o : list) {
if (p.test(o)) {
return true;
}
}
return indexes.toArray(new String[]{});
return false;
}
/**
@ -311,7 +192,7 @@ public abstract class Converter {
* @param end The substring after the wanted substring
* @return A list of all occurrences of the substring
*/
static String[] stringBetween(String string, String start, String end) {
private static String[] stringBetween(String string, String start, String end) {
int startPos = string.indexOf(start) + start.length();
if (!string.contains(start) || string.indexOf(end, startPos) < startPos) {
return new String[]{};
@ -338,10 +219,20 @@ public abstract class Converter {
return string.substring(startPos, string.indexOf(end, startPos));
}
/**
* Gets filename without extension from File object
* @param file A file object
* @return A filename
*/
static String stripExtension(File file) {
return file.getName().substring(0, file.getName().lastIndexOf('.'));
}
/**
* Removes the extension from a file name
* @param file A filename
* @return A filename without its extension
*/
static String stripExtension(String file) {
return file.substring(0, file.lastIndexOf('.'));
}
@ -363,4 +254,166 @@ public abstract class Converter {
System.arraycopy(b, 0, c, aLen, bLen);
return c;
}
/**
* Filters parsed streams into one of the stream types
* @param streams A list of stream objects
* @param codecType The codec type of the streams to select
* @param <G> The correct object type for the streams with the selected codec type
* @return A potentially shorter list of streams
*/
static <G extends StreamObject> List<G> filterStreamsByType(List<StreamObject> streams, String codecType) {
Iterator<StreamObject> i = streams.iterator();
List<G> newStreams = new ArrayList<>();
while (i.hasNext()) {
StreamObject next = i.next();
if (next.getCodecType().equals(codecType)) {
newStreams.add((G) next);
}
}
return newStreams;
}
/**
* Filters and sorts audio streams according to chosen languages
* @param audioStreams A list of audio streams
* @param audioLanguages A list of languages
* @return A list containing just audio tracks of chosen languages, sorted in order of languages
*/
static List<AudioStream> filterAudioStreams(List<AudioStream> audioStreams, String[] audioLanguages) {
List<AudioStream> filtered = new ArrayList<>();
for (String language : audioLanguages) {
for (AudioStream stream : audioStreams) {
if ((stream.getLanguage() != null && stream.getLanguage().equals(language)) || language.equals("*")) {
filtered.add(stream);
}
}
//Tries to reduce execution time from n^2
audioStreams.removeAll(filtered);
}
return filtered;
}
/**
* Filters and sorts subtitle streams according to chosen languages
* @param subtitleStreams A list of subtitle streams
* @param subtitleLanguages A list of languages
* @param preventSignsAndSongs Whether partial subtitles should be avoided
* @return A list containing just subtitles of chosen languages, sorted in order of languages
*/
static List<SubtitleStream> filterSubtitleStreams(List<SubtitleStream> subtitleStreams, String[] subtitleLanguages,
boolean preventSignsAndSongs) {
List<SubtitleStream> filtered = new ArrayList<>();
//Go through languages. Select all subtitles of the language
for (String language : subtitleLanguages) {
for (SubtitleStream stream : subtitleStreams) {
String streamLanguage = stream.getLanguage();
if (((streamLanguage != null && streamLanguage.equals(language)) || language.equals("*")) &&
(!preventSignsAndSongs || stream.getIsFullSubtitle())) {
filtered.add(stream);
}
}
//Tries to reduce execution time from n^2
subtitleStreams.removeAll(filtered);
}
return filtered;
}
/**
* Takes a list of all streams and parses each stream into one of three objects
* @param streams A list of all streams for the current file
* @return A list of StreamObjects
*/
private static List<StreamObject> parseStreams(String[] streams) {
List<StreamObject> parsedStreams = new ArrayList<>();
int relativeAudioIndex = 0;
int relativeVideoIndex = 0;
int relativeSubtitleIndex = 0;
for (String stream : streams) {
String[] streamParts = stream.split(PROBE_SPLIT_CHARACTER);
if (stream.contains("codec_type=video")) {
parsedStreams.add(parseVideoStream(streamParts, relativeVideoIndex++));
} else if (stream.contains("codec_type=audio")) {
parsedStreams.add(parseAudioStream(streamParts, relativeAudioIndex++));
} else if (stream.contains("codec_type=subtitle")) {
parsedStreams.add(parseSubtitleStream(streamParts, relativeSubtitleIndex++));
}
}
return parsedStreams;
}
/**
* Parses a list of video stream parameters to a video stream object
* @param streamParts A list of parameters belonging to an video stream
* @param relativeIndex The relative index of the video stream
* @return A SubtitleStream object
* @throws NumberFormatException If codec index contains a non-numeric value
*/
private static VideoStream parseVideoStream(String[] streamParts, int relativeIndex) throws NumberFormatException {
String codec = null;
int absoluteIndex = -1;
for (String streamPart : streamParts) {
if (streamPart.contains("codec_name=")) {
codec = streamPart.replace("codec_name=", "");
} else if (streamPart.contains("index=")) {
absoluteIndex = Integer.parseInt(streamPart.replace("index=", ""));
}
}
return new VideoStream(codec, absoluteIndex, relativeIndex);
}
/**
* Parses a list of audio stream parameters to an audio stream object
* @param streamParts A list of parameters belonging to an audio stream
* @param relativeIndex The relative index of the audio stream
* @return A SubtitleStream object
* @throws NumberFormatException If codec index contains a non-numeric value
*/
private static AudioStream parseAudioStream(String[] streamParts, int relativeIndex) throws NumberFormatException {
String codec = null;
int absoluteIndex = -1;
String language = null;
int channels = 0;
String title = "";
for (String streamPart : streamParts) {
if (streamPart.contains("codec_name=")) {
codec = streamPart.replace("codec_name=", "");
} else if (streamPart.contains("index=")) {
absoluteIndex = Integer.parseInt(streamPart.replace("index=", ""));
} else if (streamPart.contains("TAG:language=")) {
language = streamPart.replace("TAG:language=", "");
} else if (streamPart.contains("channels=")) {
channels = Integer.parseInt(streamPart.replace("channels=", ""));
} else if (streamPart.contains("TAG:title=")) {
title = streamPart.replace("TAG:title=", "");
}
}
return new AudioStream(codec, absoluteIndex, relativeIndex, language, title, channels);
}
/**
* Parses a list of subtitle stream parameters to a subtitle stream object
* @param streamParts A list of parameters belonging to a subtitle stream
* @param relativeIndex The relative index of the subtitle
* @return A SubtitleStream object
* @throws NumberFormatException If codec index contains a non-numeric value
*/
private static SubtitleStream parseSubtitleStream(String[] streamParts, int relativeIndex) throws NumberFormatException {
String codecName = null;
int absoluteIndex = -1;
String language = null;
String title = "";
for (String streamPart : streamParts) {
if (streamPart.contains("codec_name=")) {
codecName = streamPart.replace("codec_name=", "");
} else if (streamPart.contains("index=")) {
absoluteIndex = Integer.parseInt(streamPart.replace("index=", ""));
} else if (streamPart.contains("TAG:language=")) {
language = streamPart.replace("TAG:language=", "");
} else if (streamPart.contains("TAG:title=")) {
title = streamPart.replace("TAG:title=", "");
}
}
return new SubtitleStream(codecName, absoluteIndex, relativeIndex, language, title);
}
}

29
src/ffmpegconverter/converter/VideoConverter.java
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@ -1,5 +1,9 @@
package ffmpegconverter.converter;
import ffmpegconverter.streams.AudioStream;
import ffmpegconverter.streams.StreamObject;
import ffmpegconverter.streams.VideoStream;
import java.io.File;
import java.io.IOException;
import java.util.List;
@ -22,8 +26,8 @@ public class VideoConverter extends Converter {
* @throws IOException If the BufferedReader fails
*/
private void processFile(File folder, File file, String newExt) throws IOException {
String[] streams = probeFile(ffprobePath, file);
if (streams.length == 0) {
List<StreamObject> streams = probeFile(ffprobePath, file);
if (streams.size() == 0) {
throw new IllegalArgumentException("The file has no streams");
}
String newPath = fileCollisionPrevention(folder.getAbsolutePath() + File.separator + stripExtension(file) + "." + newExt, newExt);
@ -39,15 +43,24 @@ public class VideoConverter extends Converter {
* @param outFile The output file
* @return A list of commands
*/
private String[] builderCommand(String executable, String fileName, String[] streams, String outFile, File folder) {
private String[] builderCommand(String executable, String fileName, List<StreamObject> streams, String outFile, File folder) {
List<String> command = generalFile(executable, fileName);
if (this.debug) {
addDebug(command, 50, 120);
}
List<Integer> videoStreams = listVideo(streams);
List<Integer> audioStreams = listAudio(streams);
List<AudioStream> audioStreams = filterStreamsByType(streams, "audio");
List<VideoStream> videoStreams = filterStreamsByType(streams, "video");
VideoStream videoStream = null;
AudioStream audioStream = null;
if (videoStreams.size() > 0) {
videoStream = videoStreams.get(0);
}
if (audioStreams.size() > 0) {
audioStream = audioStreams.get(0);
}
String ext = hasExternalSubtitle(folder.getAbsolutePath(), fileName);
String ext2 = hasExternalImageSubtitle(folder.getAbsolutePath(), fileName);
@ -62,7 +75,7 @@ public class VideoConverter extends Converter {
}
//TODO: Scale subtitles to video
command.add("-filter_complex");
command.add("[1:s]scale=width=1920:height=800,crop=w=1920:h=800:x=0:y=out_h[sub];[" + videoStreams.get(0) + ":v][sub]overlay");
command.add("[1:s]scale=width=1920:height=800,crop=w=1920:h=800:x=0:y=out_h[sub];[" + videoStream + ":v][sub]overlay");
command.add("-profile:v");
command.add("baseline");
}
@ -70,11 +83,11 @@ public class VideoConverter extends Converter {
if (ext2.equals("") || !ext.equals("")) {
if (videoStreams.size() > 0) {
command.add("-map");
command.add("0:" + videoStreams.get(0));
command.add("0:" + videoStream);
}
if (audioStreams.size() > 0) {
command.add("-map");
command.add("0:" + audioStreams.get(0));
command.add("0:" + audioStream);
}
}
command.add("-af");

29
src/ffmpegconverter/streams/AudioStream.java Normal file
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@ -0,0 +1,29 @@
package ffmpegconverter.streams;
public class AudioStream extends StreamObject {
private String language; //The audio language
private int channels; //Whether mono, stereo, etc
private String title; //Titles exist
public AudioStream(String codec, int absoluteIndex, int relativeIndex, String language, String title, int channels) {
this.codecType = "audio";
this.codecName = codec;
this.absoluteIndex = absoluteIndex;
this.language = language;
this.title = title;
this.relativeIndex = relativeIndex;
this.channels = channels;
}
public String getLanguage() {
return this.language;
}
public int getChannels() {
return this.channels;
}
public String getTitle() {
return this.title;
}
}

43
src/ffmpegconverter/streams/StreamObject.java Normal file
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@ -0,0 +1,43 @@
package ffmpegconverter.streams;
/**
* An object representation of a stream in a media file
*/
public abstract class StreamObject {
int absoluteIndex;
int relativeIndex;
String codecName;
String codecType;
/**
* Gets the type of the stream codec (video/audio/subtitle)
* @return codec type
*/
public String getCodecType() {
return this.codecType;
}
/**
* Gets the name of the stream codec
* @return codec name
*/
public String getCodecName() {
return this.codecName;
}
/**
* Gets the absolute index of a stream object
* @return absolute index
*/
public int getAbsoluteIndex() {
return this.absoluteIndex;
}
/**
* Gets the relative index of a stream object (kth element of codec type)
* @return relative index
*/
public int getRelativeIndex() {
return this.relativeIndex;
}
}

59
src/ffmpegconverter/streams/SubtitleStream.java Normal file
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@ -0,0 +1,59 @@
package ffmpegconverter.streams;
/**
* An object representation of a subtitle stream in a media file
*/
public class SubtitleStream extends StreamObject {
private String language;
private String title; //Title shown
private boolean isFullSubtitle; //Songs and signs will be false
private boolean isImageSubtitle;
public SubtitleStream(String codecName, int absoluteIndex, int relativeIndex, String language, String title) {
this.codecType = "subtitle";
this.codecName = codecName;
this.absoluteIndex = absoluteIndex;
this.language = language;
this.title = title;
this.isFullSubtitle = isFullSubtitle();
this.relativeIndex = relativeIndex;
this.isImageSubtitle = isImageSubtitle();
}
/**
* Checks whether a subtitle is image based (as opposed to text based)
* @return True if the subtitle is image based
*/
private boolean isImageSubtitle() {
return codecName != null && getCodecName().equals("hdmv_pgs_subtitle");
}
/**
* Checks whether translates everything (as opposed to just songs and signs)
* @return True if the subtitles translate everything
*/
private boolean isFullSubtitle() {
if (getTitle() == null) {
return false;
}
String title = getTitle().toLowerCase();
return !(title.contains("songs and signs") || title.contains("songs & signs") || title.contains("songs ") ||
title.contains("signs/songs") || title.contains("[forced]") || title.contains("(forced)"));
}
public String getLanguage() {
return this.language;
}
public String getTitle() {
return this.title;
}
public boolean getIsImageSubtitle() {
return this.isImageSubtitle;
}
public boolean getIsFullSubtitle() {
return this.isFullSubtitle;
}
}

13
src/ffmpegconverter/streams/VideoStream.java Normal file
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@ -0,0 +1,13 @@
package ffmpegconverter.streams;
/**
* An object representation of a video stream in a media file
*/
public class VideoStream extends StreamObject {
public VideoStream(String codec, int absoluteIndex, int relativeIndex) {
this.codecType = "video";
this.codecName = codec;
this.absoluteIndex = absoluteIndex;
this.relativeIndex = relativeIndex;
}
}