<dependency>
<groupId>net.bramp.ffmpeg</groupId>
<artifactId>ffmpeg</artifactId>
<version>0.6.2</version>
</dependency>
import net.bramp.ffmpeg.FFmpeg;
import net.bramp.ffmpeg.FFmpegExecutor;
import net.bramp.ffmpeg.FFprobe;
import net.bramp.ffmpeg.builder.FFmpegBuilder;
import net.bramp.ffmpeg.probe.FFmpegProbeResult;
import net.bramp.ffmpeg.probe.FFmpegStream;
import org.junit.Test;
import java.io.IOException;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
public class TestFFmpegWrapper {
@Test
public void testVideo() throws IOException {
FFmpeg ffmpeg = new FFmpeg("ffmpeg");
FFprobe ffprobe = new FFprobe("ffprobe");
final FFmpegProbeResult probe = ffprobe.probe("e:/hls/Spring_Insight-Milestone_3-Screencast.mp4");
final List<FFmpegStream> streams = probe.getStreams().stream().filter(fFmpegStream -> fFmpegStream.codec_type != null).collect(Collectors.toList());
final Optional<FFmpegStream> audioStream = streams.stream().filter(fFmpegStream -> FFmpegStream.CodecType.AUDIO.equals(fFmpegStream.codec_type)).findFirst();
final Optional<FFmpegStream> videoStream = streams.stream().filter(fFmpegStream -> FFmpegStream.CodecType.VIDEO.equals(fFmpegStream.codec_type)).findFirst();
if (!audioStream.isPresent()) {
System.err.println("未发现音频流");
}
if (!videoStream.isPresent()) {
System.err.println("未发现视频流");
}
FFmpegBuilder builder = new FFmpegBuilder()
.setInput("e:/hls/Spring_Insight-Milestone_3-Screencast.mp4") // Filename, or a FFmpegProbeResult
.overrideOutputFiles(true) // Override the output if it exists
.addOutput("e:/hls/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
.setAudioBitRate(audioStream.isPresent() ? audioStream.get().bit_rate : 0)
.setVideoBitRate(videoStream.isPresent() ? videoStream.get().bit_rate : 0)
.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);
// Run a one-pass encode
executor.createJob(builder).run();
// Or run a two-pass encode (which is better quality at the cost of being slower)
executor.createTwoPassJob(builder).run();
}
@Test
public void testAudio() throws IOException {
FFmpeg ffmpeg = new FFmpeg("ffmpeg");
FFprobe ffprobe = new FFprobe("ffprobe");
final FFmpegProbeResult probe = ffprobe.probe("e:/hls/test/output.wav");
final List<FFmpegStream> streams = probe.getStreams().stream().filter(fFmpegStream -> fFmpegStream.codec_type != null).collect(Collectors.toList());
final Optional<FFmpegStream> audioStream = streams.stream().filter(fFmpegStream -> FFmpegStream.CodecType.AUDIO.equals(fFmpegStream.codec_type)).findFirst();
if (!audioStream.isPresent()) {
System.err.println("未发现音频流");
}
FFmpegBuilder builder = new FFmpegBuilder()
.setInput("e:/hls/test/output.wav")
.overrideOutputFiles(true)
.addOutput("e:/hls/test/output-wav.m3u8")
.setFormat("wav")
.setAudioBitRate(audioStream.isPresent() ? audioStream.get().bit_rate : 0)
.setAudioChannels(1)
.setAudioCodec("aac") // using the aac codec
.setAudioSampleRate(audioStream.get().sample_rate)
.setAudioBitRate(audioStream.get().bit_rate)
.setStrict(FFmpegBuilder.Strict.STRICT)
.setFormat("hls")
.addExtraArgs("-hls_wrap", "0", "-hls_time", "5", "-hls_list_size", "0")
.done();
FFmpegExecutor executor = new FFmpegExecutor(ffmpeg, ffprobe);
// Run a one-pass encode
executor.createJob(builder).run();
}
}