gogojames
帖子: 1
注册时间: 2013-04-01 14:04

从youtube下载的一个电影,用播放器点开却没有声音和图像,Mediainfo如下

General
Complete name : H:\Intimate Power.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42
File size : 437 MiB
Duration : 1h 43mn
Overall bit rate : 591 Kbps
Encoded date : UTC 2012-08-01 03:46:16
Tagged date : UTC 2012-08-02 03:46:55
gsst : 0
gstd : 6210338
gssd : B4A7D0663HH1364727944797034
gshh : r12---sn-5uaezner.c.youtube.com

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L3.0
Format settings, CABAC : Yes
Format settings, ReFrames : 3 frames
Codec ID : encv
Duration : 1h 43mn
Bit rate mode : Variable
Bit rate : 446 Kbps
Maximum bit rate : 1 985 Kbps
Width : 640 pixels
Height : 480 pixels
Display aspect ratio : 4/3
Frame rate mode : Variable
Frame rate : 23.976 fps
Resolution : 24 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.061
Stream size : 334 MiB (76%)
Encoded date : UTC 1970-01-01 00:00:00
Tagged date : UTC 2012-08-02 03:46:55

Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format version : Version 4
Format profile : LC
Format settings, SBR : No
Codec ID : 40
Duration : 1h 43mn
Bit rate mode : Variable
Bit rate : 137 Kbps
Nominal bit rate : 128 Kbps
Maximum bit rate : 136 Kbps
Channel(s) : 2 channels
Channel positions : L R
Sampling rate : 44.1 KHz
Resolution : 16 bits
Stream size : 101 MiB (23%)
Title : IsoMedia File Produced by Google, 5-11-2011
Encoded date : UTC 2012-08-01 03:46:18
Tagged date : UTC 2012-08-02 03:46:55
Encryption : Encrypted(这里显示加密)

在移动视频文件的时候也有提示出来“...有附件文件,可能影响使用,是否一起移动?”

接着用Medai Player Classic打开,提示如下:

图片
LAV Splitter Source::Video

Media Type 0:
--------------------------
Video: ENCV 640x480 23.976fps 451kbps

AM_MEDIA_TYPE:
majortype: MEDIATYPE_Video {73646976-0000-0010-8000-00AA00389B71}
subtype: Unknown GUID Name {76636E65-0000-0010-8000-00AA00389B71}
formattype: FORMAT_VideoInfo {05589F80-C356-11CE-BF01-00AA0055595A}
bFixedSizeSamples: 0
bTemporalCompression: 1
lSampleSize: 1
cbFormat: 125

VIDEOINFOHEADER:
rcSource: (0,0)-(640,480)
rcTarget: (0,0)-(640,480)
dwBitRate: 451033
dwBitErrorRate: 0
AvgTimePerFrame: 417083

BITMAPINFOHEADER:
biSize: 77
biWidth: 640
biHeight: 480
biPlanes: 1
biBitCount: 24
biCompression: encv
biSizeImage: 921600
biXPelsPerMeter: 0
biYPelsPerMeter: 0
biClrUsed: 0
biClrImportant: 0

pbFormat:
0000: 00 00 00 00 00 00 00 00 80 02 00 00 e0 01 00 00 ........€......
0010: 00 00 00 00 00 00 00 00 80 02 00 00 e0 01 00 00 ........€......
0020: d9 e1 06 00 00 00 00 00 3b 5d 06 00 00 00 00 00 ......;]......
0030: 4d 00 00 00 80 02 00 00 e0 01 00 00 01 00 18 00 M...€..........
0040: 65 6e 63 76 00 10 0e 00 00 00 00 00 00 00 00 00 encv............
0050: 00 00 00 00 00 00 00 00|01 4d 40 1e ff e1 00 16 .........M@...
0060: 67 4d 40 1e d9 00 a0 3d a1 00 00 03 03 e9 00 00 gM@..=......
0070: bb 80 0f 16 2e 48 01 00 04 68 eb 8f 20 €...H...h

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