JarCastingffmpeg-java
Java Interface for FFmpeg Command-line
引入Maven依赖：
<dependency>
<groupId>com.itshidu.ffmpeg</groupId>
<artifactId>ffmpeg-java</artifactId>
<version>1.0</version>
</dependency>
获取媒体信息
import com.alibaba.fastjson.JSON
import com.itshidu.ffmpeg.FFprobe
import com.itshidu.ffmpeg.probe.FFmpegFormat
import com.itshidu.ffmpeg.probe.FFmpegProbeResult
import com.itshidu.ffmpeg.probe.FFmpegStream
public class GetMediaInformation {
final static String FFMPEG_HOME = "D:/Documents/ProgramFiles/ffmpeg-20190219-ff03418-win64-static/bin/"
public static void main(String[] args) {
FFprobe ffprobe = new FFprobe(FFMPEG_HOME+"ffprobe.exe")
FFmpegProbeResult probeResult = ffprobe.probe("D:/abc/002.mp4")
FFmpegFormat format = probeResult.getFormat()
System.out.format("%nFile: '%s' ; Format: '%s' ; Duration: %.3fs",
format.filename,
format.format_long_name,
format.duration
);
FFmpegStream stream = probeResult.getStreams().get(0);
System.out.format("%nCodec: '%s' ; Width: %dpx ; Height: %dpx",
stream.codec_long_name,
stream.width,
stream.height
);
println("----------------")
println(JSON.toJSONString(format))
println(JSON.toJSONString(stream))
}
}
视频转码
import com.itshidu.ffmpeg.FFmpeg
import com.itshidu.ffmpeg.FFmpegExecutor
import com.itshidu.ffmpeg.FFprobe
import com.itshidu.ffmpeg.builder.FFmpegBuilder
public class VideoEncoding {
final static String FFMPEG_HOME = "D:/Documents/ProgramFiles/ffmpeg-20190219-ff03418-win64-static/bin/";
public static void main(String[] args) {
FFmpeg ffmpeg = new FFmpeg(FFMPEG_HOME+"ffmpeg.exe");
FFprobe ffprobe = new FFprobe(FFMPEG_HOME+"ffprobe.exe");
FFmpegBuilder builder = new FFmpegBuilder()
.setInput("002.mp4") // Filename, or a FFmpegProbeResult
.overrideOutputFiles(true) // Override the output if it exists
.addOutput("output.mp4") // Filename for the destination
.setFormat("mp4") // Format is inferred from filename, or can be set
.setTargetSize(250_000) // Aim for a 250KB file
.disableSubtitle() // No subtiles
.setAudioChannels(1) // Mono audio
.setAudioCodec("aac") // using the aac codec
.setAudioSampleRate(48_000) // at 48KHz
.setAudioBitRate(32768) // at 32 kbit/s
.setVideoCodec("libx264") // Video using x264
.setVideoFrameRate(24, 1) // at 24 frames per second
.setVideoResolution(640, 480) // at 640x480 resolution
.setStrict(FFmpegBuilder.Strict.EXPERIMENTAL) // Allow FFmpeg to use experimental specs
.done();
FFmpegExecutor executor = new FFmpegExecutor(ffmpeg, ffprobe);
executor.createJob(builder).run()
// Or run a two-pass encode (which is better quality at the cost of being slower)
executor.createTwoPassJob(builder).run()
}
}
转码时进度监听
import com.itshidu.ffmpeg.FFmpeg
import com.itshidu.ffmpeg.FFmpegExecutor
import com.itshidu.ffmpeg.FFmpegUtils
import com.itshidu.ffmpeg.FFprobe
import com.itshidu.ffmpeg.builder.FFmpegBuilder
import com.itshidu.ffmpeg.job.FFmpegJob
import com.itshidu.ffmpeg.probe.FFmpegProbeResult
import com.itshidu.ffmpeg.progress.Progress
import com.itshidu.ffmpeg.progress.ProgressListener
import java.util.concurrent.TimeUnit
class GetProgressWhileEncoding {
final static String FFMPEG_HOME = "D:/Documents/ProgramFiles/ffmpeg-20190219-ff03418-win64-static/bin/"
public static void main(String[] args) {
FFmpeg ffmpeg = new FFmpeg(FFMPEG_HOME+"ffmpeg.exe")
FFprobe ffprobe = new FFprobe(FFMPEG_HOME+"ffprobe.exe")
FFmpegExecutor executor = new FFmpegExecutor(ffmpeg, ffprobe)
FFmpegProbeResult probeResult = ffprobe.probe("D:/abc/002.mp4")
FFmpegBuilder builder = new FFmpegBuilder()
.setInput(probeResult) // Or filename
.addOutput("D:/abc/002_output.mp4")
.done()
final double duration_ns = probeResult.getFormat().duration * TimeUnit.SECONDS.toNanos(1);
FFmpegJob job = executor.createJob(builder, new ProgressListener() {
// Using the FFmpegProbeResult determine the duration of the input
public void progress(Progress progress) {
double percentage = progress.out_time_ns / duration_ns;
// Print out interesting information about the progress
System.out.println(String.format(
"[%.0f%%] status:%s frame:%d time:%s ms fps:%.0f speed:%.2fx",
percentage * 100,
progress.status,
progress.frame,
FFmpegUtils.toTimecode(progress.out_time_ns, TimeUnit.NANOSECONDS),
progress.fps.doubleValue(),
progress.speed
));
}
});
job.run();
}
}