| | |
| | | package com.fzzy.web; |
| | | |
| | | import com.bstek.dorado.util.DateUtils; |
| | | import com.fzzy.api.data.ApiParam; |
| | | import com.fzzy.async.fzzy30.Fzzy30SyncService12; |
| | |
| | | import org.springframework.web.bind.annotation.RequestMapping; |
| | | import org.springframework.web.bind.annotation.RequestMethod; |
| | | import org.springframework.web.bind.annotation.RequestParam; |
| | | import ws.schild.jave.Encoder; |
| | | import ws.schild.jave.EncoderException; |
| | | import ws.schild.jave.MultimediaObject; |
| | | import ws.schild.jave.encode.AudioAttributes; |
| | | import ws.schild.jave.encode.EncodingAttributes; |
| | | import ws.schild.jave.encode.VideoAttributes; |
| | | import ws.schild.jave.info.AudioInfo; |
| | | import ws.schild.jave.info.VideoSize; |
| | | |
| | | |
| | | import java.io.File; |
| | | import java.io.FileNotFoundException; |
| | | import java.io.FileOutputStream; |
| | | import java.io.IOException; |
| | | import java.math.BigDecimal; |
| | | |
| | | /** |
| | | * @author vince.xu |
| | |
| | | public class TestController { |
| | | @Autowired |
| | | private Fzzy30SyncService12 fzzySyncService12; |
| | | |
| | | /** |
| | | * |
| | | */ |
| | |
| | | } |
| | | return ""; |
| | | } |
| | | |
| | | |
| | | public static void main(String[] args) throws EncoderException { |
| | | // 压缩前文件路径 |
| | | File source = new File("D:\\IGDS\\FILE\\COMMON\\202412\\20241218100601.mp4"); |
| | | // 压缩后的文件路径 |
| | | File target = new File("D:\\IGDS\\FILE\\COMMON\\202412\\202412181006.mp4"); |
| | | compre(source, target, 1); |
| | | |
| | | } |
| | | |
| | | /** |
| | | * 视频压缩 |
| | | * |
| | | * @param source 源文件 |
| | | * @param target 目标文件 |
| | | * @param rate 压缩比 |
| | | */ |
| | | public static void compre(File source, File target, Integer rate) throws EncoderException { |
| | | try { |
| | | System.out.println("---------------开始压缩---------------"); |
| | | long start = System.currentTimeMillis(); |
| | | |
| | | // 音频编码属性配置 |
| | | AudioAttributes audio = new AudioAttributes(); |
| | | audio.setCodec("libmp3lame"); |
| | | // 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 56000 = 56kb) |
| | | // audio.setBitRate(new Integer(56_000)); |
| | | audio.setBitRate(new Integer(10)); |
| | | // 设置重新编码的音频流中使用的声道数(1 =单声道,2 = 双声道(立体声)) |
| | | audio.setChannels(1); |
| | | // 采样率越高声音的还原度越好,文件越大 |
| | | // audio.setSamplingRate(new Integer(44100)); |
| | | audio.setSamplingRate(new Integer(22050)); |
| | | // 视频编码属性配置 |
| | | VideoAttributes video = new VideoAttributes(); |
| | | // 设置编码 |
| | | video.setCodec("mpeg4"); |
| | | //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 5600000 = 5600kb) |
| | | // video.setBitRate(new Integer(5_600_000 / rate)); |
| | | video.setBitRate(new Integer(10 / rate)); |
| | | |
| | | // 设置视频帧率(帧率越低,视频会出现断层,越高让人感觉越连续),这里 除1000是为了单位转换 |
| | | video.setFrameRate(new Integer(15)); |
| | | |
| | | |
| | | // 编码设置 |
| | | EncodingAttributes attr = new EncodingAttributes(); |
| | | attr.setOutputFormat("mp4"); |
| | | attr.setAudioAttributes(audio); |
| | | attr.setVideoAttributes(video); |
| | | |
| | | // 设置值编码 |
| | | Encoder ec = new Encoder(); |
| | | ec.encode(new MultimediaObject(source), target, attr); |
| | | |
| | | |
| | | System.out.println("---------------结束压缩---------------"); |
| | | long end = System.currentTimeMillis(); |
| | | System.out.println("压缩前大小:" + source.length() + " 压缩后大小:" + target.length()); |
| | | System.out.println("压缩耗时:" + (end - start)); |
| | | |
| | | } catch (EncoderException e) { |
| | | e.printStackTrace(); |
| | | } catch (IllegalArgumentException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | |
| | | } |
| | | |
| | | /** |
| | | * 传视频File对象(这是一个具体的文件),返回压缩后File对象信息 |
| | | * |
| | | * @param source |
| | | */ |
| | | public static File compressionVideo(File source, String picName) { |
| | | if (source == null) { |
| | | return null; |
| | | } |
| | | String newPath = source.getAbsolutePath().substring(0, source.getAbsolutePath().lastIndexOf(File.separator)).concat(File.separator).concat(picName); |
| | | File target = new File(newPath); |
| | | try { |
| | | MultimediaObject object = new MultimediaObject(source); |
| | | AudioInfo audioInfo = object.getInfo().getAudio(); |
| | | // 根据视频大小来判断是否需要进行压缩, |
| | | int maxSize = 5; |
| | | double mb = Math.ceil(source.length() / 1048576); |
| | | int second = (int) object.getInfo().getDuration() / 1000; |
| | | BigDecimal bd = new BigDecimal(String.format("%.4f", mb / second)); |
| | | System.out.println("开始压缩视频了--> 视频每秒平均 " + bd + " MB "); |
| | | // 视频 > 5MB, 或者每秒 > 0.5 MB 才做压缩, 不需要的话可以把判断去掉 |
| | | boolean temp = mb > maxSize || bd.compareTo(new BigDecimal(0.5)) > 0; |
| | | // if(temp){ |
| | | long time = System.currentTimeMillis(); |
| | | //TODO 视频属性设置 |
| | | int maxBitRate = 128000; |
| | | int maxSamplingRate = 44100; |
| | | int bitRate = 800000; |
| | | int maxFrameRate = 20; |
| | | int maxWidth = 1280; |
| | | |
| | | AudioAttributes audio = new AudioAttributes(); |
| | | // 设置通用编码格式10 audio.setCodec("aac"); |
| | | // 设置最大值:比特率越高,清晰度/音质越好 |
| | | // 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 128000 = 182kb) |
| | | if (audioInfo.getBitRate() > maxBitRate) { |
| | | audio.setBitRate(new Integer(maxBitRate)); |
| | | } |
| | | |
| | | // 设置重新编码的音频流中使用的声道数(1 =单声道,2 = 双声道(立体声))。如果未设置任何声道值,则编码器将选择默认值 0。 |
| | | audio.setChannels(audioInfo.getChannels()); |
| | | // 采样率越高声音的还原度越好,文件越大 |
| | | // 设置音频采样率,单位:赫兹 hz |
| | | // 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 |
| | | // audio.setVolume(256); |
| | | if (audioInfo.getSamplingRate() > maxSamplingRate) { |
| | | audio.setSamplingRate(maxSamplingRate); |
| | | } |
| | | |
| | | //TODO 视频编码属性配置 |
| | | ws.schild.jave.info.VideoInfo videoInfo = object.getInfo().getVideo(); |
| | | VideoAttributes video = new VideoAttributes(); |
| | | video.setCodec("h264"); |
| | | //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) |
| | | if (videoInfo.getBitRate() > bitRate) { |
| | | video.setBitRate(bitRate); |
| | | } |
| | | |
| | | // 视频帧率:15 f / s 帧率越低,效果越差 |
| | | // 设置视频帧率(帧率越低,视频会出现断层,越高让人感觉越连续),视频帧率(Frame rate)是用于测量显示帧数的量度。所谓的测量单位为每秒显示帧数(Frames per Second,简:FPS)或“赫兹”(Hz)。 |
| | | if (videoInfo.getFrameRate() > maxFrameRate) { |
| | | video.setFrameRate(maxFrameRate); |
| | | } |
| | | |
| | | // 限制视频宽高 |
| | | int width = videoInfo.getSize().getWidth(); |
| | | int height = videoInfo.getSize().getHeight(); |
| | | if (width > maxWidth) { |
| | | float rat = (float) width / maxWidth; |
| | | video.setSize(new VideoSize(maxWidth, (int) (height / rat))); |
| | | } |
| | | |
| | | EncodingAttributes attr = new EncodingAttributes(); |
| | | // attr.setFormat("mp4"); |
| | | attr.setAudioAttributes(audio); |
| | | attr.setVideoAttributes(video); |
| | | |
| | | // 速度最快的压缩方式, 压缩速度 从快到慢: ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow and placebo. |
| | | // attr.setPreset(PresetUtil.VERYFAST); |
| | | // attr.setCrf(27); |
| | | // // 设置线程数 |
| | | // attr.setEncodingThreads(Runtime.getRuntime().availableProcessors()/2); |
| | | |
| | | Encoder encoder = new Encoder(); |
| | | encoder.encode(new MultimediaObject(source), target, attr); |
| | | System.out.println("压缩总耗时:" + (System.currentTimeMillis() - time) / 1000); |
| | | return target; |
| | | // } |
| | | } catch (Exception e) { |
| | | e.printStackTrace(); |
| | | } finally { |
| | | if (target.length() > 0) { |
| | | source.delete(); |
| | | } |
| | | } |
| | | return source; |
| | | } |
| | | } |