1、添加软字幕 void Subtitles::addSubtitleStream(string videopath,string spath,string dstpath){if(dstpath.rfind(".mkv")!=dstpath.length()-4){LOGD("can only suport .mkv file");return;}int ret=0;// 打开视频流if(avformat_open_input(&vfmt,videopath.c_str(),NULL,NULL)<0){LOGD("avfo...
定位 硬字幕,支持将SRT、VTT、ASS、SSA字幕,嵌入到视频中。 脚本 def video_add_subtitle(input_video_path, subtitles, video_sets): import subprocess # 添加音视频解码器 import sys sys.path.append('D:\\Python\\MyBase\\Video_Edit') import encoder_main as encoder # 输入视频文件路径 if input_vid...
Subtitle options: -s size set frame size (WxH or abbreviation) -sn disable subtitle -scodec codec force subtitle codec ('copy' to copy stream) -stagfourcc/tag force subtitle tag/fourcc -fix_sub_duration fix subtitles duration -canvas_size size set canvas size (WxH or abbreviation) -spre pr...
static void video_encode_example(const char *filename, int codec_id) { AVCodec *codec; AVCodecContext *c= NULL; int i, ret, x, y, got_output; FILE *f; AVFrame *picture; AVPacket pkt; uint8_t endcode[] = { 0, 0, 1, 0xb7 }; printf("Encode video file %s\n", filename); ...
ffmpeg命令百度搜索即可,利用ffmpeg.addArgumen添加入口即可执行,参考getTargetThumbnail或addSubtitle方法即可。 windows版本的集成,其依赖的jar包包含ffmpeg-amd64.exe执行文件,其他系统原理类似。 ffmpeg运行时间较长,IO密集操作型,cpu负载高,一般配合线程池异步使用,服务端操作音视频,需自行考虑成本。
-spre preset set the subtitle options to the indicated preset 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35.
bool subtitleOpened =false; //如果有字幕流 if (subCodecContext) { //字幕流直接用视频名即可 QString subtitleFilename = m_filename; subtitleFilename.replace('/',"\\\"); subtitleFilename.insert(subtitleFilename.indexOf(":\\"),char('\\')); Q...
#在最后一行添加: export PKG_CONFIG_PATH=/opt/ABSTRACT_PATH/3rd-lib-install/lib/pkgconfig/:$PKG_CONFIG_PATH 【保存并退出】 $ source /etc/profile 三、测试字幕添加 命令: $ ffmpeg -i <INPUT> -vf subtitles=<SUBTITLE> -f mp4 test.mp4...
1. Cut video file into a smaller clip You can use the time offset parameter (-ss) to specify the start time stamp in HH:MM:SS.ms format while the -t parameter is for specifying the actual duration of the clip in seconds. ffmpeg -i input.mp4 -ss 00:00:50.0 -codec copy -t 20 ...
Subtitle options: -s size set frame size (WxH or abbreviation) -sn disable subtitle -scodec codec force subtitle codec ('copy' to copy stream) -stag fourcc/tag force subtitle tag/fourcc -fix_sub_duration fix subtitles duration -spre preset set the subtitle options to the indicated preset ...