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发表于 2014-1-23 10:11:34
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- [StevenLiu@localhost ffmpeg]$ ffplay --help
- ffplay version N-59597-g4ced5d7 Copyright (c) 2003-2014 the FFmpeg developers
- built on Jan 6 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 [options] 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 loglevel set 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 title set 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_name force decoder
复制代码 主要是-ss pos seek to a given position in seconds这一行
例如
- ffplay -ss 00:00:10 test.avi
复制代码 就会从test.avi的第10秒开始播放 |
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