[FFmpeg] ffplay video command (play | pause | stop | volume control | progress control | audio stream / video stream / subtitle stream / program switching)

Posted by babybird11 on Sun, 30 Jan 2022 02:01:25 +0100

FFmpeg series article directory

[FFmpeg] Windows builds an FFmpeg command line running environment

[FFmpeg] Introduction to FFmpeg related terms (container | media stream | data frame | data packet | codec | multiplexing | demultiplexing)
[FFmpeg] Introduction to FFmpeg related terms II
[FFmpeg] use of FFmpeg help document

[FFmpeg] use FFmpeg to process the audio-video format conversion process (demultiplexing | decoding | frame processing | encoding | multiplexing)

[ffmpeg] ffmpeg command query 1 (version | compilation configuration | multiplexing format | codec)
[ffmpeg] ffmpeg command query 2 (bitstream filter | available protocol | filter | pixel format | standard channel layout | audio sampling format | color name)
[ffmpeg] ffmpeg command query III (query parameters supported by ffmpeg command classification)

[FFmpeg] ffplay video command (play | pause | stop | volume control | progress control | audio stream / video stream / subtitle stream / program switching)

1, Basic commands for playing video with ffplay

Basic commands for playing video with ffplay:

ffplay Video path 

Play the "D:\ffmpeg\yuanshen.mp4" video, enter the "D:\ffmpeg \" directory, and execute the following commands:

ffplay yuanshen.mp4

Command line output:

D:\ffmpeg>ffplay yuanshen.mp4
ffplay version n4.4-19-g8d172d9409 Copyright (c) 2003-2021 the FFmpeg developers
  built with gcc 10-win32 (GCC) 20210408
  configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --enable-shared --disable-static --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --enable-libvmaf --enable-vulkan --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-libdavs2 --enable-ffnvcodec --enable-cuda-llvm --enable-libglslang --enable-libgme --enable-libass --enable-libbluray --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomp
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'yuanshen.mp4':  0B f=0/0
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.29.100
  Duration: 00:06:13.10, start: 0.000000, bitrate: 2623 kb/s
  Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 2489 kb/s, 25 fps, 25 tbr, 25k tbn, 50 tbc (default)
      handler_name    : VideoHandler
      vendor_id       : [0][0][0][0]
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
      handler_name    : SoundHandler
      vendor_id       : [0][0][0][0]
  13.74 A-V:  0.009 fd=   4 aq=   22KB vq=  354KB sq=    0B f=0/0


Execution process:

2, Control commands during ffplay playback

Playback control:

  • Play frame by frame: S;
  • Drag backward / forward for 10 seconds: Left / Right arrow button;
  • Drag backward / forward for 1 minute: Down / Up arrow button;
  • Pause playback: P, space; Press P or spacebar to pause playback;
  • Stop playing: Q, Esc; After starting playing, press the Q or Esc key to exit playing;

Full screen switching: press key F to switch the full screen; Double clicking with the left mouse button can also switch to full screen;

Volume control:

  • Mute: M key can switch mute / non mute state;
  • Reduce the volume: press 9 or / key to reduce the volume;
  • Increase the volume: press 0 or * key to increase the volume;

Cyclic switching: for multiple audio streams and video streams, such as TV program TS stream, multiple TV station signals in one stream, you can select different TV station signals for viewing by switching audio stream / video stream / program, etc;

  • Cycle switching audio stream: a; ( Audio )
  • Cyclic switching video stream: V; ( Vedio )
  • Cycle switching subtitle stream: T;
  • Cyclic switching program: C;
  • Cycle switching filter or display mode: W;

3, Test TS stream cycle switching audio stream / video stream / subtitle stream / program

TS stream file CCTV TS, which contains the following stream information. This file contains 7 7 7 video streams, 7 7 7 audio streams;


ffplay cctv.ts 

The command playback includes a plurality of video streams / audio streams;

If the sound is too loud, you can use the - volume option to control the sound:

ffplay -volume 3 cctv.ts 

After the playback starts, press A to switch the audio stream, V to switch the video stream, and T to switch the subtitle stream,
Press C to switch the complete program, that is, switch the audio stream, video stream and caption stream at the same time;

Topics: ffmpeg