请问下ffplay命令怎么选定开始时间播放视频?
:'(求解答$ ffplay --help
ffplay version N-59597-g4ced5d7 Copyright (c) 2003-2014 the FFmpeg developers
built on Jan6 2014 16:13:57 with Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
configuration: --enable-libx264 --enable-libmp3lame --enable-gpl --enable-libfaac --enable-nonfree --prefix=/usr/
libavutil 52. 62.100 / 52. 62.100
libavcodec 55. 47.100 / 55. 47.100
libavformat 55. 22.102 / 55. 22.102
libavdevice 55.5.102 / 55.5.102
libavfilter 4.0.103 /4.0.103
libswscale 2.5.101 /2.5.101
libswresample 0. 17.104 /0. 17.104
libpostproc 52.3.100 / 52.3.100
Simple media player
usage: ffplay input_file
Main options:
-L show license
-h topic show help
-? topic show help
-help topic show help
--help topic show help
-version show version
-buildconf show build configuration
-formats show available formats
-codecs show available codecs
-decoders show available decoders
-encoders show available encoders
-bsfs show available bit stream filters
-protocols show available protocols
-filters show available filters
-pix_fmts show available pixel formats
-layouts show standard channel layouts
-sample_fmts show available audio sample formats
-colors show available color names
-loglevel loglevelset logging level
-v loglevel set logging level
-report generate a report
-max_alloc bytes set maximum size of a single allocated block
-x width force displayed width
-y height force displayed height
-s size set frame size (WxH or abbreviation)
-fs force full screen
-an disable audio
-vn disable video
-sn disable subtitling
-ss pos seek to a given position in seconds
-t duration play"duration" seconds of audio/video
-bytes val seek by bytes 0=off 1=on -1=auto
-nodisp disable graphical display
-f fmt force format
-window_title window titleset window title
-vf filter_graph set video filters
-af filter_graph set audio filters
-showmode mode select show mode (0 = video, 1 = waves, 2 = RDFT)
-i input_file read specified file
-codec decoder_nameforce decoder
主要是-ss pos seek to a given position in seconds这一行
例如
ffplay -ss 00:00:10 test.avi
就会从test.avi的第10秒开始播放
页:
[1]