1. Introduction

FFplay is a very simple and portable media player using the FFmpeg libraries and the SDL library. It is mostly used as a testbed for the various FFmpeg APIs.

2. Invocation

2.1 Syntax

ffplay [options] ‘input_file’

2.2 Main options

‘-h’

show help

‘-x width’

force displayed width

‘-y height’

force displayed height

‘-an’

disable audio

‘-vn’

disable video

‘-nodisp’

disable graphical display

‘-f fmt’

force format

2.3 Advanced options

‘-stats’

Show the stream duration, the codec parameters, the current position in the stream and the audio/video synchronisation drift.

‘-rtp_tcp’

Force RTP/TCP protocol usage instead of RTP/UDP. It is only meaningful if you are streaming with the RTSP protocol.

‘-sync type’

Set the master clock to audio (type=audio), video (type=video) or external (type=ext). Default is audio. The master clock is used to control audio-video synchronization. Most media players use audio as master clock, but in some cases (streaming or high quality broadcast) it is necessary to change that. This option is mainly used for debugging purposes.

2.4 While playing

<q, ESC>

quit

<f>

toggle full screen

<p, SPC>

pause

<a>

cycle audio channel

<v>

cycle video channel

<w>

show audio waves

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