查看视频文件的信息

1.查看视频文件的信息

mplayer -identify -nosound -vc dummy -vo null xxx.flv

xxx.flv是视频文件名，可以是wmv ,avi等

2.查看dvd的信息

mplayer dvd:// -dvd-device /root/dvd/dvd203 -vo null -ao null -frames 0 -identify

其中/root/dvd/dvd203为dvd的目录

目录下应该有如下文件 VIDEO_TS.BUP VIDEO_TS.IFO VTS_01_0.BUP VTS_01_0.IFO VTS_01_1.VOB VTS_01_2.VOB VTS_01_3.VOB

将显示形式如下的信息

#############################################################

[root@localhost failed]# mplayer -identify -nosound -vc dummy -vo null 24718675_100_1000_20090924120420921-707468929.avi

MPlayer SVN-r29390-snapshot-4.1.2 (C) 2000-2009 MPlayer Team



Playing 24718675_100_1000_20090924120420921-707468929.avi.

***I file format detected.

ID_VIDEO_ID=0

[aviheader] Video stream found, -vid 0

VIDEO: [dv25] 720x576 24bpp 25.000 fps 28800.0 kbps (3515.6 kbyte/s)

Clip info:

Software: Matrox MQSink Filter . Format: 6. Build: 3.1.1.423

ID_CLIP_INFO_NAME0=Software

ID_CLIP_INFO_VALUE0=Matrox MQSink Filter . Format: 6. Build: 3.1.1.423

ID_CLIP_INFO_N=1

ID_FILENAME=24718675_100_1000_20090924120420921-707468929.avi

ID_DEMUXER=avi

ID_VIDEO_FORMAT=dv25

ID_VIDEO_BITRATE=28800000

ID_VIDEO_WIDTH=720

ID_VIDEO_HEIGHT=576

ID_VIDEO_FPS=25.000

ID_VIDEO_ASPECT=1.3333

ID_LENGTH=72.40

ID_SEEKABLE=1

ID_CHAPTERS=0

==========================================================================

Forced video codec: dummy

Cannot find codec matching selected -vo and video format 0x35327664.

==========================================================================





Exiting... (End of file)

ID_EXIT=EOF

#####################################################################

[root@localhost failed]#mplayer dvd:// -dvd-device /root/dvd/dvd203 -vo null -ao null -frames 0 -identify

MPlayer SVN-r29390-snapshot-4.1.2 (C) 2000-2009 MPlayer Team



Playing dvd://.

libdvdread: Using libdvdcss version 1.2.10 for DVD access

libdvdread: Couldn't find device name.

ID_DVD_TITLES=1

ID_DVD_TITLE_1_CHAPTERS=7

ID_DVD_TITLE_1_ANGLES=1

ID_DVD_TITLE_1_LENGTH=2917.200

libdvdnav:DVDOpenFilePath:findDVDFile /VIDEO_TS/VTS_02_0.IFO failed

libdvdnav:DVDOpenFilePath:findDVDFile /VIDEO_TS/VTS_03_0.IFO failed

libdvdnav:DVDOpenFilePath:findDVDFile /VIDEO_TS/VTS_04_0.IFO failed

libdvdnav:DVDOpenFilePath:findDVDFile /VIDEO_TS/VTS_05_0.IFO failed

libdvdnav:DVDOpenFilePath:findDVDFile /VIDEO_TS/VTS_06_0.IFO failed

libdvdnav:DVDOpenFilePath:findDVDFile /VIDEO_TS/VTS_07_0.IFO failed

libdvdnav:DVDOpenFilePath:findDVDFile /VIDEO_TS/VTS_08_0.IFO failed

libdvdnav:DVDOpenFilePath:findDVDFile /VIDEO_TS/VTS_09_0.IFO failed

ID_DVD_DISC_ID=FFBF6F54A8F97D702B6A3664A44FE3B1

There are 1 titles on this DVD.

ID_DVD_CURRENT_TITLE=1

There are 1 angles in this DVD title.

audio stream: 0 format: ac3 (stereo) language: en aid: 128.

ID_AUDIO_ID=128

ID_AID_128_LANG=en

number of audio channels on disk: 1.

subtitle ( sid ): 2 language: zh

ID_SUBTITLE_ID=2

ID_SID_2_LANG=zh

number of subtitles on disk: 1

CHAPTERS: 00:00:00,00:07:48,00:16:04,00:24:27,00:31:55,00:39:05,00:48:36,

ID_VIDEO_ID=0

MPEG-PS file format detected.

ID_AUDIO_ID=128

VIDEO: MPEG2 720x480 (aspect 3) 29.970 fps 8800.0 kbps (1100.0 kbyte/s)

ID_FILENAME=dvd://

ID_DEMUXER=mpegps

ID_VIDEO_FORMAT=0x10000002

ID_VIDEO_BITRATE=8800000

ID_VIDEO_WIDTH=720

ID_VIDEO_HEIGHT=480

ID_VIDEO_FPS=29.970

ID_VIDEO_ASPECT=0.0000

ID_AUDIO_FORMAT=8192

ID_AUDIO_BITRATE=0

ID_AUDIO_RATE=0

ID_AUDIO_NCH=0

ID_LENGTH=2917.20

ID_SEEKABLE=1

ID_CHAPTERS=7

==========================================================================

Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough

VDec: vo config request - 720 x 480 (preferred colorspace: Mpeg PES)

VDec: using Mpeg PES as output csp (no 0)

Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.

ID_VIDEO_ASPECT=1.7778

VO: [null] 720x480 => 854x480 Mpeg PES

Selected video codec: [mpegpes] vfm: mpegpes (MPEG-PES output (.mpg or DXR3/IVTV/DVB/V4L2 card))

==========================================================================

ID_VIDEO_CODEC=mpegpes

==========================================================================

Opening audio decoder: [liba52] AC3 decoding with liba52

Using SSE optimized IMDCT transform

Using MMX optimized resampler

AUDIO: 48000 Hz, 2 ch, s16le, 192.0 kbit/12.50% (ratio: 24000->192000)

ID_AUDIO_BITRATE=192000

ID_AUDIO_RATE=48000

ID_AUDIO_NCH=2

Selected audio codec: [a52] afm: liba52 (AC3-liba52)

==========================================================================

AO: [null] 48000Hz 2ch s16le (2 bytes per sample)

ID_AUDIO_CODEC=a52

Starting playback...





Exiting... (End of file)

ID_EXIT=EOF