广州正规网站建设有哪些,做网站小程序挣钱吗,wordpress 修改字体,.net网站程序FFmpeg 命令#xff1a;从入门到精通 | ffmpeg 命令视频录制 FFmpeg 命令#xff1a;从入门到精通 | ffmpeg 命令视频录制安装软件#xff1a;Screen Capturer Recorder查看可用设备名字音视频录制录制视频#xff08;默认参数#xff09;录制声音#xff08;默认参数从入门到精通 | ffmpeg 命令视频录制 FFmpeg 命令从入门到精通 | ffmpeg 命令视频录制安装软件Screen Capturer Recorder查看可用设备名字音视频录制录制视频默认参数录制声音默认参数同时录制系统 麦克风声音和视频默认参数 查看视频录制的可选参数查看音频录制的可选参数指定参数录制音视频 FFmpeg 命令从入门到精通 | ffmpeg 命令视频录制
本节主要介绍了ffmpeg 命令进行音视频录制的方法并列举了一些例子。
安装软件Screen Capturer Recorder
项目地址on screen capture recorder to video free Files
安装最新版本 安装软件 查看可用设备名字
完成安装后我们可以在命令行输入以下命令查看电脑的可用设备名字
ffmpeg -list_devices true -f dshow -i dummy输出以下结果
[dshow 000001e3fded3800] Integrated Camera (video)
[dshow 000001e3fded3800] Alternative name device_pnp_\\?\usb#vid_13d3pid_56a6mi_00#61c1093a410000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global
[dshow 000001e3fded3800] screen-capture-recorder (video)
[dshow 000001e3fded3800] Alternative name device_sw_{860BB310-5D01-11D0-BD3B-00A0C911CE86}\{4EA69364-2C8A-4AE6-A561-56E4B5044439}
[dshow 000001e3fded3800] OBS Virtual Camera (video)
[dshow 000001e3fded3800] Alternative name device_sw_{860BB310-5D01-11D0-BD3B-00A0C911CE86}\{A3FCE0F5-3493-419F-958A-ABA1250EC20B}
[dshow 000001e3fded3800] 麦克风 (Realtek(R) Audio) (audio)
[dshow 000001e3fded3800] Alternative name device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\wave_{E35D34C8-3763-4470-BDFF-5999B6DB4347}
[dshow 000001e3fded3800] virtual-audio-capturer (audio)
[dshow 000001e3fded3800] Alternative name device_sw_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\{8E146464-DB61-4309-AFA1-3578E927E935}
[dshow 000001e3fded3800] 立体声混音 (Realtek(R) Audio) (audio)
[dshow 000001e3fded3800] Alternative name device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\wave_{159589C7-204D-4C6C-8804-B576E8B7DC6C}
dummy: Immediate exit requested其中
“Integrated Camera”笔记本摄像头“screen-capture-recorder”录制桌面的设备“麦克风 (Realtek® Audio)”麦克风“virtual-audio-capturer”录制系统声音的设备
音视频录制
录制视频默认参数
桌面
ffmpeg -f dshow -i videoscreen-capture-recorder v-out.mp4 摄像头
ffmpeg -f dshow -i videoIntegrated Camera -y v-out2.flv注要根据自己摄像头名称。 录制声音默认参数
系统声音
ffmpeg -f dshow -i audiovirtual-audio-capturer a-out.aac注Ctrl C 退出录制。 系统 麦克风声音
ffmpeg -f dshow -i audio麦克风 (Realtek(R) Audio) -f dshow -i audiovirtual-audio-capturer -filter_complex amixinputs2:durationfirst:dropout_transition2 a-out2.aac注要根据自己麦克风名称。 同时录制系统 麦克风声音和视频默认参数
ffmpeg -f dshow -i audio麦克风 (Realtek(R) Audio) -f dshow -i audiovirtual-audio-capturer -filter_complex amixinputs2:durationfirst:dropout_transition2 -f dshow -i videoscreen-capture-recorder -y av-out.flv查看视频录制的可选参数
查看 screen-capture-recorder 相关参数
ffmpeg -f dshow -list_options true -i videoscreen-capture-recorder输出
[dshow 0000023f4f3a3740] DirectShow video device options (from video devices)
[dshow 0000023f4f3a3740] Pin Capture (alternative pin name 1)
[dshow 0000023f4f3a3740] pixel_formatbgr0 min s1x1 fps0.02 max s1920x1080 fps30
[dshow 0000023f4f3a3740] pixel_formatbgr0 min s1x1 fps0.02 max s1920x1080 fps30
[dshow 0000023f4f3a3740] pixel_formatbgr24 min s1x1 fps0.02 max s1920x1080 fps30
[dshow 0000023f4f3a3740] pixel_formatrgb555le min s1x1 fps0.02 max s1920x1080 fps30
[dshow 0000023f4f3a3740] pixel_formatrgb555le min s1x1 fps0.02 max s1920x1080 fps30
[dshow 0000023f4f3a3740] pixel_formatrgb8 min s1x1 fps0.02 max s1920x1080 fps30
[dshow 0000023f4f3a3740] pixel_formatyuv420p min s1x1 fps0.02 max s1920x1080 fps30
[dshow 0000023f4f3a3740] Could not find output pin from video capture device.
videoscreen-capture-recorder: I/O error查看音频录制的可选参数
查看 virtual-audio-capturer 相关参数
ffmpeg -f dshow -list_options true -i audiovirtual-audio-capturer输出
[dshow 0000024b7e113740] DirectShow audio only device options (from audio devices)
[dshow 0000024b7e113740] Pin Capture Virtual Audio Pin (alternative pin name 1)
[dshow 0000024b7e113740] ch 2, bits16, rate 48000
audiovirtual-audio-capturer: Immediate exit requested查看 麦克风 (Realtek(R) Audio) 相关参数
ffmpeg -f dshow -list_options true -i audio麦克风 (Realtek(R) Audio)输出
[dshow 00000260768b3700] DirectShow audio only device options (from audio devices)
[dshow 00000260768b3700] Pin Capture (alternative pin name Capture)
[dshow 00000260768b3700] ch 2, bits16, rate 44100Last message repeated 1 times
[dshow 00000260768b3700] ch 1, bits16, rate 44100
[dshow 00000260768b3700] ch 2, bits16, rate 32000
[dshow 00000260768b3700] ch 1, bits16, rate 32000
[dshow 00000260768b3700] ch 2, bits16, rate 22050
[dshow 00000260768b3700] ch 1, bits16, rate 22050
[dshow 00000260768b3700] ch 2, bits16, rate 11025
[dshow 00000260768b3700] ch 1, bits16, rate 11025
[dshow 00000260768b3700] ch 2, bits16, rate 8000
[dshow 00000260768b3700] ch 1, bits16, rate 8000
[dshow 00000260768b3700] ch 2, bits 8, rate 44100
[dshow 00000260768b3700] ch 1, bits 8, rate 44100
[dshow 00000260768b3700] ch 2, bits 8, rate 22050
[dshow 00000260768b3700] ch 1, bits 8, rate 22050
[dshow 00000260768b3700] ch 2, bits 8, rate 11025
[dshow 00000260768b3700] ch 1, bits 8, rate 11025
[dshow 00000260768b3700] ch 2, bits 8, rate 8000
[dshow 00000260768b3700] ch 1, bits 8, rate 8000
[dshow 00000260768b3700] ch 2, bits16, rate 48000
[dshow 00000260768b3700] ch 1, bits16, rate 48000
[dshow 00000260768b3700] ch 2, bits16, rate 96000
[dshow 00000260768b3700] ch 1, bits16, rate 96000
audio麦克风 (Realtek(R) Audio): Immediate exit requested指定参数录制音视频
ffmpeg -f dshow -i audio麦克风 (Realtek(R) Audio) -f dshow -i audiovirtual-audio-capturer -filter_complex amixinputs2:durationfirst:dropout_transition2 -f dshow -video_size 1920x1080 -framerate 15 -pixel_format yuv420p -i videoscreen-capture-recorder -vcodec h264_qsv -b:v 3M -y av-out.flvffmpeg -f dshow -i audio麦克风 (Realtek(R) Audio) -f dshow -i audiovirtual-audio-capturer -filter_complex amixinputs2:durationfirst:dropout_transition2 -f dshow -i videoscreen-capture-recorder -vcodec h264_qsv -b:v 3M -r 15 -y av-out2.mp4ffmpeg -f dshow -i audio麦克风 (Realtek(R) Audio) -f dshow -i audiovirtual-audio-capturer -filter_complex amixinputs2:durationfirst:dropout_transition2 -f dshow -framerate 15 -pixel_format yuv420p -i videoscreen-capture-recorder -vcodec h264_qsv -b:v 3M -r 15 -y av-out3.mp4参数
-video_size视频大小-vcodec视频编码格式-framerate视频帧率-pixel_format视频像素格式-b:v视频码率-r帧率
