否则关闭执行窗口,或者按ctrl+c终止 @ echo 使用ffmpeg命令开始批量转换，注意ffmpeg必须在path环境内 @p...
今天的新知系列课，我们邀请到了来自腾讯明眸·极速高清团队的技术导师 —— 赵军，为大家介绍FFmpeg以及...
scale2refScale the input video size and/or convert the image format to the given reference. scdetDetect video scene change scrollScroll input video. selectSelect video frames to pass in output. selectivecolorApply CMYK adjustments to specific color ranges. ...
在Linux平台上,ffmpeg对V4L2的视频设备提供了很好的支持,如:./ffmpeg -t 10 -f video4linux2 -s 176*144 -r 8 -i /dev/video0 -vcodec h263 -f rtp rtp://192.168.1.105:5060 > /tmp/ffmpeg.sdp以上命令表示:采集10秒钟视频,对video4linux2视频设备进行采集,采集QCIF(176*144)的视频,每秒8帧,视频...
aeval atempo deconvolve haas mix scale swapuv aevalsrc atrim deflate haldclut movie scale2ref tblend afade avectorscope deflicker haldclutsrc mpdecimate select telecine afftfilt avgblur dejudder hdcd mptestsrc selectivecolor testsrc afifo bandpass delogo headphone negate sendcmd testsrc2 ...
AVFilterLink *inlink = ctx->filter == &ff_vf_scale2ref ? outlink->src->inputs[1] : outlink->src->inputs[0];enumAVPixelFormatoutfmt = outlink->format;constAVPixFmtDescriptor *desc =av_pix_fmt_desc_get(inlink->format); ScaleContext *scale = ctx->priv; ...
chromaber_vulkan hqx scale yadif_cuda chromahold hstack scale2ref yaepblur chromakey hue scale_cuda yuvtestsrc chromashift hwdownload scale_npp zmq ciescope hwmap scale_qsv zoompan codecview hwupload scale_vaapi zscale color hwupload_cuda scale_vulkan ...
ffmpeg -i final.avi -vf scale=640:640 square.avi 4、使用alsa接口录制一段音频存放到某个wav文件中 ffmpeg -f alsa -i hw:0 -t 100 alsaout.wav 5、使用alsa接口搭建一个个人网络电台 ffmpeg -f alsa -i default -acodec aac -strict -2 -b:a 128k -r 44100 /var/www/data/main.m3u8 6、...
extern const AVFilter ff_vf_scale_cuda; extern const AVFilter ff_vf_scale_npp; extern const AVFilter ff_vf_scale_qsv; extern const AVFilter ff_vf_scale_vaapi; extern const AVFilter ff_vf_scale_vulkan; extern const AVFilter ff_vf_scale2ref; ...
res = -1; goto end; }// printf("test %X %X %X -> %X %X %X/n", (int)ref[0], (int)ref[1], (int)ref[2],// (int)src[0], (int)src[1], (int)src[2]); sws_scale(srcContext, ref, refStride, 0, h , src, srcStride); sws_scale(dstContext, src, srcStride, 0, src...