「小程序JAVA实战」小程序视频处理工具ffmpeg（47）
ffmpeg前面已经把视频成功的上传到我们的服务器，选择了背景音乐的ID，现在需要把视频和背景音乐进行合并，需要使用一个工具ffmpeg。源码：https://github.com/limingios/wxProgram.git 中wx-springboot 和 No.15
介绍
>视音频处理工具，跨平台的视音频处理解决方案，主页：http://ffmpeg.org
应用的场景
播放器：射手播放器，暴风影音，迅雷播放器……
转换工具：格式工厂，剪辑工具……
直播，视频加码，滤镜，水印，特效……
下载
根据你的需求进行下载，我选择在windows平台来进行下载
测试
C:UsersAdministrator>D:D:>cd D:Program FilesffmpegD:Program Filesffmpeg>cd binD:Program Filesffmpegbin>ffmpeg.exe -i shanzhu.mp4 shanzhu.aviffmpeg version N-91949-g6304268e39 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 8.2.1 (GCC) 20180813 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth libavutil 56. 19.101 / 56. 19.101 libavcodec 58. 30.100 / 58. 30.100 libavformat 58. 18.100 / 58. 18.100 libavdevice 58. 4.103 / 58. 4.103 libavfilter 7. 31.100 / 7. 31.100 libswscale 5. 2.100 / 5. 2.100 libswresample 3. 2.100 / 3. 2.100 libpostproc 55. 2.100 / 55. 2.100Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'shanzhu.mp4': Metadata: major_brand : mp42 minor_version : 1 compatible_brands: mp41mp42isom creation_time : 2018-09-16T05:29:47.000000Z Duration: 00:00:09.34, start: 0.000000, bitrate: 1210 kb/s Stream #0:0(und): Video: h364 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 544x960, 1159 kb/s, 29.97 fps, 29.97 tbr, 600 tbn, 1200 tbc (default) Metadata: creation_time : 2018-09-16T05:29:47.000000Z handler_name : Core Media Video Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 46 kb/s (default) Metadata: creation_time : 2018-09-16T05:29:47.000000Z handler_name : Core Media AudioStream mapping: Stream #0:0 -> #0:0 (h364 (native) -> mpeg4 (native)) Stream #0:1 -> #0:1 (aac (native) -> mp3 (libmp3lame))Press [q] to stop, [?] for helpOutput #0, avi, to 'shanzhu.avi': Metadata: major_brand : mp42 minor_version : 1 compatible_brands: mp41mp42isom ISFT : Lavf58.18.100 Stream #0:0(und): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 544x960, q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc (default) Metadata: creation_time : 2018-09-16T05:29:47.000000Z handler_name : Core Media Video encoder : Lavc58.30.100 mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 Stream #0:1(und): Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 44100 Hz, mono, fltp (default) Metadata: creation_time : 2018-09-16T05:29:47.000000Z handler_name : Core Media Audio encoder : Lavc58.30.100 libmp3lameframe= 280 fps=0.0 q=31.0 Lsize= 1096kB time=00:00:09.34 bitrate= 961.3kbits/s speed=16.7xvideo:999kB audio:72kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.338377%
java程序调用cmd转换视频
springboot-common中添加FFMpegTest
package com.idig8.utils;import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.List;public class FFMpegTest { private String ffmpegEXE; public FFMpegTest(String ffmpegEXE) { super(); this.ffmpegEXE = ffmpegEXE; } public void convertor(String videoInputPath, String videoOutputPath) throws Exception {// ffmpeg -i input.mp4 -y output.avi List<String> command = new ArrayList<>(); command.add(ffmpegEXE); command.add("-i"); command.add(videoInputPath); command.add("-y"); command.add(videoOutputPath); for (String c : command) { System.out.print(c + " "); } ProcessBuilder builder = new ProcessBuilder(command); Process process = builder.start(); InputStream errorStream = process.getErrorStream(); InputStreamReader inputStreamReader = new InputStreamReader(errorStream); BufferedReader br = new BufferedReader(inputStreamReader); String line = ""; while ( (line = br.readLine()) != null ) { } if (br != null) { br.close(); } if (inputStreamReader != null) { inputStreamReader.close(); } if (errorStream != null) { errorStream.close(); } } public static void main(String[] args) { FFMpegTest ffmpeg = new FFMpegTest("D:\Program Files\ffmpeg\bin\ffmpeg.exe"); try { ffmpeg.convertor("D:\Program Files\ffmpeg\bin\shanzhu.mp4", "D:\Program Files\ffmpeg\bin\shanzhu.avi"); } catch (Exception e) { e.printStackTrace(); } }}
视频音频合并命令
> 通过这种方式，可以让我们的mp4和我们的mp3 做一个结合。
ffmpeg.exe -i shanzhu.avi -i music.mp3 -t 10 -y 合并音乐和视频.avi
D:Program Filesffmpegbin>ffmpeg.exe -i shanzhu.avi -i music.mp3 -t 10 -y 合并音乐和视频.aviffmpeg version N-91949-g6304268e39 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 8.2.1 (GCC) 20180813 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth libavutil 56. 19.101 / 56. 19.101 libavcodec 58. 30.100 / 58. 30.100 libavformat 58. 18.100 / 58. 18.100 libavdevice 58. 4.103 / 58. 4.103 libavfilter 7. 31.100 / 7. 31.100 libswscale 5. 2.100 / 5. 2.100 libswresample 3. 2.100 / 3. 2.100 libpostproc 55. 2.100 / 55. 2.100Input #0, avi, from 'shanzhu.avi': Metadata: encoder : Lavf58.18.100 Duration: 00:00:09.38, start: 0.000000, bitrate: 957 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 544x960 [SAR 1:1 DAR 17:30], 876 kb/s, 29.97 fps, 29.97 tbr, 29.97 tbn, 30k tbc Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, mono, fltp, 64 kb/s[mp3 @ 000001fcfa57d6c0] Estimating duration from bitrate, this may be inaccurateInput #1, mp3, from 'music.mp3': Duration: 00:00:33.47, start: 0.000000, bitrate: 320 kb/s Stream #1:0: Audio: mp3, 48000 Hz, stereo, fltp, 320 kb/sStream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> mpeg4 (native)) Stream #1:0 -> #0:1 (mp3 (mp3float) -> mp3 (libmp3lame))Press [q] to stop, [?] for helpOutput #0, avi, to '鍚堝苟闊充箰鍜岃棰?avi': Metadata: ISFT : Lavf58.18.100 Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p(progressive), 544x960 [SAR 1:1 DAR 17:30], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc Metadata: encoder : Lavc58.30.100 mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 Stream #0:1: Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 48000 Hz, stereo, fltp Metadata: encoder : Lavc58.30.100 libmp3lameframe= 280 fps=274 q=31.0 Lsize= 1076kB time=00:00:10.00 bitrate= 880.4kbits/s speed=9.79xvideo:892kB audio:157kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.510280%
java程序调用cmd转换视频增加音频
package com.idig8.utils;import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.List;public class MergeVideoMp3 { private String ffmpegEXE; public MergeVideoMp3(String ffmpegEXE) { super(); this.ffmpegEXE = ffmpegEXE; } public void convertor(String videoInputPath, String mp3InputPath, double seconds, String videoOutputPath) throws Exception {// ffmpeg.exe -i 苏州大裤衩.mp4 -i bgm.mp3 -t 7 -y 新的视频.mp4 List<String> command = new ArrayList<>(); command.add(ffmpegEXE); command.add("-i"); command.add(videoInputPath); command.add("-i"); command.add(mp3InputPath); command.add("-t"); command.add(String.valueOf(seconds)); command.add("-y"); command.add(videoOutputPath);// for (String c : command) {// System.out.print(c + " ");// } ProcessBuilder builder = new ProcessBuilder(command); Process process = builder.start(); InputStream errorStream = process.getErrorStream(); InputStreamReader inputStreamReader = new InputStreamReader(errorStream); BufferedReader br = new BufferedReader(inputStreamReader); String line = ""; while ( (line = br.readLine()) != null ) { } if (br != null) { br.close(); } if (inputStreamReader != null) { inputStreamReader.close(); } if (errorStream != null) { errorStream.close(); } } public static void main(String[] args) { MergeVideoMp3 ffmpeg = new MergeVideoMp3("D:\Program Files\ffmpeg\bin\ffmpeg.exe"); try { ffmpeg.convertor("D:\Program Files\ffmpeg\bin\shanzhu.mp4", "D:\Program Files\ffmpeg\bin\music.mp3", 7.1, "D:\Program Files\ffmpeg\bin\合并音乐和视频.avi"); } catch (Exception e) { e.printStackTrace(); } }}开发功能
视频上传后通过java调用ffmpge.exe完成音乐和视频的合并，并将视频信息保存在数据库中。
视频service开发
VideoService
package com.idig8.service;import com.idig8.pojo.Videos;public interface VideoService { /** * 保存视频信息 * @param Id * @return */ public void saveVideo(Videos video);}
VideoServiceImpl
package com.idig8.service.Impl;import java.util.List;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Propagation;import org.springframework.transaction.annotation.Transactional;import com.idig8.mapper.BgmMapper;import com.idig8.pojo.Bgm;import com.idig8.service.BgmService;@Servicepublic class BgmServiceImpl implements BgmService { @Autowired private BgmMapper bgmMapper; @Transactional(propagation =Propagation.SUPPORTS) @Override public List<Bgm> queryBgmList(){ return bgmMapper.selectAll(); } @Transactional(propagation =Propagation.SUPPORTS) @Override public Bgm queryBgmById(String Id){ return bgmMapper.selectByPrimaryKey(Id); }}
BgmService
package com.idig8.service;import java.util.List;import com.idig8.pojo.Bgm;public interface BgmService { /** * 获取所有的Bgm列表 * @return */ public List<Bgm> queryBgmList(); /** * 通过bgmId获取Bgm对象 * @param Id * @return */ public Bgm queryBgmById(String Id);}
BgmServiceImpl
package com.idig8.service.Impl;import java.util.List;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Propagation;import org.springframework.transaction.annotation.Transactional;import com.idig8.mapper.BgmMapper;import com.idig8.pojo.Bgm;import com.idig8.service.BgmService;@Servicepublic class BgmServiceImpl implements BgmService { @Autowired private BgmMapper bgmMapper; @Transactional(propagation =Propagation.SUPPORTS) @Override public List<Bgm> queryBgmList(){ return bgmMapper.selectAll(); } @Transactional(propagation =Propagation.SUPPORTS) @Override public Bgm queryBgmById(String Id){ return bgmMapper.selectByPrimaryKey(Id); }}
VideoController
package com.idig8.controller;import java.io.File;import java.util.Date;import java.util.UUID;import org.apache.commons.lang3.StringUtils;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.beans.factory.annotation.Value;import org.springframework.web.bind.annotation.PostMapping;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;import org.springframework.web.multipart.MultipartFile;import com.idig8.pojo.Bgm;import com.idig8.pojo.Videos;import com.idig8.service.BgmService;import com.idig8.service.VideoService;import com.idig8.utils.JSONResult;import com.idig8.utils.MergeVideoMp3;import com.idig8.utils.enums.VideoStatusEnum;import com.idig8.utils.file.FileUtil;import io.swagger.annotations.Api;import io.swagger.annotations.ApiImplicitParam;import io.swagger.annotations.ApiImplicitParams;import io.swagger.annotations.ApiOperation;import io.swagger.annotations.ApiParam;@RestController@Api(value="视频相关业务的接口", tags= {"视频相关业务的controller"})@RequestMapping("/video")public class VideoController extends BasicController { @Autowired private BgmService bgmService; @Autowired private VideoService videosService; @Value("${server.file.path}") private String fileSpace; @Value("${server.ffmpeg.path}") private String ffmpegexe; @ApiOperation(value="上传视频", notes="上传视频的接口") @ApiImplicitParams({ @ApiImplicitParam(name="userId", value="用户id", required=true, dataType="String", paramType="form"), @ApiImplicitParam(name="bgmId", value="背景音乐id", required=false, dataType="String", paramType="form"), @ApiImplicitParam(name="videoSeconds", value="背景音乐播放长度", required=true, dataType="String", paramType="form"), @ApiImplicitParam(name="videoWidth", value="视频宽度", required=true, dataType="String", paramType="form"), @ApiImplicitParam(name="videoHeight", value="视频高度", required=true, dataType="String", paramType="form"), @ApiImplicitParam(name="desc", value="视频描述", required=false, dataType="String", paramType="form") }) @PostMapping(value="/upload", headers="content-type=multipart/form-data") public JSONResult upload(String userId, String bgmId, double videoSeconds, int videoWidth, int videoHeight, String desc, @ApiParam(value="短视频", required=true) MultipartFile file) throws Exception { if (StringUtils.isBlank(userId)) { return JSONResult.errorMsg("用户id不能为空..."); } // 文件保存的命名空间 String fileName = file.getOriginalFilename(); // 保存到数据库中的相对路径 String path = ""; String videOutPath = ""; try { path = FileUtil.uploadFile(file.getBytes(), fileSpace, fileName); } catch (Exception e) { e.getStackTrace(); return JSONResult.errorMsg(e.getMessage()); } if(StringUtils.isNotBlank(bgmId)){ Bgm bgm = bgmService.queryBgmById(bgmId); String mp3BgmPath = fileSpace + bgm.getPath(); MergeVideoMp3 mergeVideoMp3 = new MergeVideoMp3(ffmpegexe); String videOutPathName = UUID.randomUUID().toString()+".mp4"; File targetFile = new File(fileSpace + userId); if (!targetFile.exists()) { targetFile.mkdirs(); } videOutPath = "/"+userId+"/"+videOutPathName; String videoInput = fileSpace +path; mergeVideoMp3.convertor(videoInput, mp3BgmPath, videoSeconds, fileSpace +videOutPath); } Videos videos = new Videos(); videos.setAudioId(bgmId); videos.setCreateTime(new Date()); videos.setVideoDesc(desc); videos.setId(UUID.randomUUID().toString()); videos.setUserId(userId); videos.setVideoHeight(videoHeight); videos.setVideoWidth(videoWidth); videos.setVideoPath(videOutPath); videos.setStatus(VideoStatusEnum.SUCCESS.value); videosService.saveVideo(videos); return JSONResult.ok(path); }}
PS：已经完成了视频的上传，并把相关的信息保存在数据库中。
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