iOS系统OpenCV VideoWriter录制mp4并修改视频码率
OpenCV VideoWriter录制mp4并修改视频码率
OpenCV VideoWriter录制mp4并修改视频码率
报错: const AVCodec* codec = avcodec_find_decoder(av_context_->codec_id); if (!codec) { // This is an indication that FFmpeg has not been initialized or it has not // been compiled/in...
编译环境:mac os x 10.15.3 ,openssl-OpenSSL_1_0_2u 生成的是.a静态库 编译命令: ./Configure darwin64-x86_64-cc --prefix=/Users/gezhaoyou/Downloads/openssl-OpenSSL_1_0_2u/output make && make install --pref...
WebRTC引入pacer,pacer会根据estimator评估出来的码率,按照最小单位时间(5ms)做时间分片进行递进发送数据,避免瞬时对网络的冲击
mp4 提取音频为wav ffmpeg -i input.mp4 -acodec pcm_s16le -f s16le -ac 1 -ar 16000 -f wav output.wav mp4 转yuv420 ffmpeg -i input.mp4 -s 720x1280 -pix_fmt yuv420p output.yuv wav...
先说结论,确实有效! 因一直9105工作节奏,长时间看屏幕,眼镜异常疲劳,尤其到晚上还会流泪。 所以买了防蓝光眼镜,镜片浅浅黄色; 使用两天,没有流泪情况, 后续观察,确认效果,若有效还是推荐大家购买,毕竟加班时间很长,对自己眼镜好一点,工作也舒服一点! 本文迁移于我的简书BLOG: https://www.jianshu.com/u/1701278837db
vscode 看代码没有前进后退很不方便,添加插件 Back & Forth 效果:
brew 报错 fatal: couldn't find remote ref refs/heads/master Error: Fetching /opt/homebrew/Library/Taps/osx-cross/homebrew-avr failed! Error: Some taps failed to update! The following taps can not rea...
目前这类问题在M1 笔记本上比较常见,解决如下: 申请麦克风权限, 终端执行 sudo sqlite3 ~/Library/Application\ Support/com.apple.TCC/TCC.db "INSERT or REPLACE INTO access VALUES('kTCCServiceMicrophone','com.zhipin.hi.beta',0,0,4,1,NU...
编译iOS WebRTC 静态库,链接时候报错 Undefined symbols for architecture arm64: "webrtc::RtpExtension::RtpExtension(std::__1::basic_string_view<char, std::__1::char_traits<char> >, int)", reference...