The Win10 environment is running normally;
Docker environment running Exception;
Docker OS:
Linux x86_64 x86_64 GNU/Linux
Linux version 4.14.105-19-0008 (gcc version 4.8.2 20140120 (Red Hat 4.8.2-16) (GCC))
How to solve ？
log:
public static File compressVideoByFile(File sourceFile, File targetFile) throws Exception {
String bizSeqNo = MumbleContextUtil.getBizSeqNo();
String fileName = sourceFile.getName();
//参数:
int maxBitRate = 128000; //设置最大值：比特率越高，清晰度/音质越好
int maxSamplingRate = 0; //44100; //设置编码时候的音量值，未设置为0，如果256，则音量值不会改变 // 采样率就是44.1KHz这个值
int bitRate = 2000000; // 设置音频比特率,单位:b (比特率越高，清晰度/音质越好，当然文件也就越大 800000 = 800kb)
int maxFrameRate = 20; // 视频帧率：15 f / s 帧率越低，效果越差
int maxWidth = 1920; //视频最大宽度(这里没使用)
try {
MultimediaObject object = new MultimediaObject(sourceFile);
// 视频属性设置
AudioInfo audioInfo = object.getInfo().getAudio();
log.info("{} 视频属性设置audioInfo:", bizSeqNo, JSON_MAPPER.toJson(audioInfo));
AudioAttributes audio = new AudioAttributes();
// 设置通用编码格式
audio.setCodec("aac");
if (audioInfo.getBitRate() > maxBitRate) {
audio.setBitRate(new Integer(maxBitRate));
}
audio.setChannels(audioInfo.getChannels());
if (audioInfo.getSamplingRate() > maxSamplingRate) {
audio.setSamplingRate(maxSamplingRate);
}
// 视频编码属性配置
VideoInfo videoInfo = object.getInfo().getVideo();
log.info("{} 视频编码属性配置videoInfo:", bizSeqNo, JSON_MAPPER.toJson(videoInfo));
VideoAttributes video = new VideoAttributes();
video.setCodec("h264");
if (videoInfo.getBitRate() > bitRate) {
video.setBitRate(bitRate);
}
if (videoInfo.getFrameRate() > maxFrameRate) {
video.setFrameRate(maxFrameRate);
}
EncodingAttributes attr = new EncodingAttributes();
//attr.setFormat("mp4");
attr.setAudioAttributes(audio);
attr.setVideoAttributes(video);
log.info("{} attr:", bizSeqNo, JSON_MAPPER.toJson(attr));
Encoder encoder = new Encoder();
encoder.encode(new MultimediaObject(sourceFile), targetFile, attr);
log.info("{} 压缩后视频大小：[{}]bytes", bizSeqNo, targetFile.length());
//String base64FromFile = getBase64FromFile(targetFile);
//压缩后的base64转视频文件,可查看压缩后的视频:
//getFileFromBase64(base64FromFile,null);
return targetFile;
} catch (Exception e) {
log.error("{} 异常", bizSeqNo, e);
throw e;
}
}
The Win10 environment is running normally;
Docker environment running Exception;
Docker OS:
Linux x86_64 x86_64 GNU/Linux
Linux version 4.14.105-19-0008 (gcc version 4.8.2 20140120 (Red Hat 4.8.2-16) (GCC))
How to solve ？
log:
