KnarCraft/FFmpegConvert
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Improves utility code
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This commit is contained in:
Kristian Knarvik
2020-05-11 13:31:45 +02:00
parent b42b713e73
commit 58dcb7fd35
3 changed files with 136 additions and 85 deletions
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146
src/main/java/net/knarcraft/ffmpegconverter/utility/FFMpegHelper.java
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@ -35,6 +35,79 @@ public final class FFMpegHelper {
return parseStreams(ffprobePath, probeForStreams(ffprobePath, file), file);
}
/**
* Creates a list containing all required arguments for converting a video to a web playable video
*
* @param executable <p>The executable to use (ffmpeg/ffprobe).</p>
* @param fileName <p>The name of the file to execute on.</p>
* @return <p>A base list of ffmpeg commands for converting a video for web</p>
*/
public static List<String> getFFMpegWebVideoCommand(String executable, String fileName) {
List<String> command = getFFMpegGeneralFileCommand(executable, fileName);
command.add("-vcodec");
command.add("h264");
command.add("-pix_fmt");
command.add("yuv420p");
command.add("-ar");
command.add("48000");
command.add("-movflags");
command.add("+faststart");
return command;
}
/**
* Creates a list containing command line arguments for a general file
*
* @param executable <p>The executable to use (ffmpeg/ffprobe).</p>
* @param fileName <p>The name of the file to execute on.</p>
* @return <p>A base list of ffmpeg commands for converting a file.</p>
*/
public static List<String> getFFMpegGeneralFileCommand(String executable, String fileName) {
List<String> command = new ArrayList<>();
command.add(executable);
command.add("-nostdin");
command.add("-i");
command.add(fileName);
return command;
}
/**
* Adds debugging parameters for only converting parts of a file
*
* @param command <p>The list containing the command to run.</p>
* @param start <p>The offset before converting.</p>
* @param length <p>The offset for stopping the conversion.</p>
*/
public static void addDebugArguments(List<String> command, int start, int length) {
command.add("-ss");
command.add("" + start);
command.add("-t");
command.add("" + length);
}
/**
* Starts and prints output of a process
*
* @param process <p>The process to run.</p>
* @param folder <p>The folder the process should run in.</p>
* @throws IOException <p>If the process can't be readProcess.</p>
*/
public static void convertProcess(ProcessBuilder process, File folder) throws IOException {
OutputUtil.print("Command to be run: ");
OutputUtil.println(process.command().toString());
process.directory(folder);
process.redirectErrorStream(true);
Process processConvert = process.start();
BufferedReader readerConvert = new BufferedReader(new InputStreamReader(processConvert.getInputStream()));
while (processConvert.isAlive()) {
String read = readProcess(readerConvert, "\n");
if (!read.equals("")) {
OutputUtil.println(read);
}
}
OutputUtil.println("Process finished.");
}
/**
* Gets a list of all streams in a file
*
@ -129,29 +202,6 @@ public final class FFMpegHelper {
return parsedStreams;
}
/**
* Starts and prints output of a process
*
* @param process <p>The process to run.</p>
* @param folder <p>The folder the process should run in.</p>
* @throws IOException <p>If the process can't be readProcess.</p>
*/
public static void convertProcess(ProcessBuilder process, File folder) throws IOException {
OutputUtil.print("Command to be run: ");
OutputUtil.println(process.command().toString());
process.directory(folder);
process.redirectErrorStream(true);
Process processConvert = process.start();
BufferedReader readerConvert = new BufferedReader(new InputStreamReader(processConvert.getInputStream()));
while (processConvert.isAlive()) {
String read = readProcess(readerConvert, "\n");
if (!read.equals("")) {
OutputUtil.println(read);
}
}
OutputUtil.println("Process is finished.");
}
/**
* Reads from a process reader
*
@ -168,56 +218,6 @@ public final class FFMpegHelper {
return text.toString().trim();
}
/**
* Creates a list containing all required arguments for converting a video to a web playable video
*
* @param executable <p>The executable to use (ffmpeg/ffprobe).</p>
* @param fileName <p>The name of the file to execute on.</p>
* @return <p>A base list of ffmpeg commands for converting a video for web</p>
*/
public static List<String> getFFMpegWebVideoCommand(String executable, String fileName) {
List<String> command = getFFMpegGeneralFileCommand(executable, fileName);
command.add("-vcodec");
command.add("h264");
command.add("-pix_fmt");
command.add("yuv420p");
command.add("-ar");
command.add("48000");
command.add("-movflags");
command.add("+faststart");
return command;
}
/**
* Creates a list containing command line arguments for a general file
*
* @param executable <p>The executable to use (ffmpeg/ffprobe).</p>
* @param fileName <p>The name of the file to execute on.</p>
* @return <p>A base list of ffmpeg commands for converting a file.</p>
*/
public static List<String> getFFMpegGeneralFileCommand(String executable, String fileName) {
List<String> command = new ArrayList<>();
command.add(executable);
command.add("-nostdin");
command.add("-i");
command.add(fileName);
return command;
}
/**
* Adds debugging parameters for only converting parts of a file
*
* @param command <p>The list containing the command to run.</p>
* @param start <p>The offset before converting.</p>
* @param length <p>The offset for stopping the conversion.</p>
*/
public static void addDebugArguments(List<String> command, int start, int length) {
command.add("-ss");
command.add("" + start);
command.add("-t");
command.add("" + length);
}
/**
* Parses a list of video stream parameters to a video stream object
*