建议将视频重新编码一下,不要使用压缩率很高的视频编码器,比如H264之类的,H264的各种P帧B帧是无法做到精确Seek的,而且解码需要占用很多资源,标清类视频建议使用类似于DVCPro等帧内压缩的编码器,高清视频可使用ProRes、AVC-Intra,或者Sony的XDCAM都可以,当然我说的是在Mac下,这些都可以轻松解码,部分解码器Mac已经内置,并且可以逐帧定位,自带TC码。Win下不太清楚,Win不太适合用于音视频制作。
我一般是用这种格式,给你一个参考,这是FCP导出的视频,cubase等都可以完美兼容。
General
Complete name
Format : MPEG-4
Commercial name : DVCPRO
Format profile : QuickTime
Codec ID : qt
File size : 3.52 GiB
Duration : 15mn 4s
Overall bit rate : 33.4 Mbps
Encoded date : UTC 2014-06-26 03:28:19
Tagged date : UTC 2014-06-26 03:41:38
Writing library : Apple QuickTime
Media/UUID : D04E2A0E-F267-4F29-8E48-236BDD493E11
Video
ID : 1
Format : DV
Commercial name : DVCPRO
Codec ID : dvpp
Codec ID/Hint : DVCPRO
Duration : 15mn 4s
Bit rate mode : Constant
Bit rate : 24.4 Mbps
Encoded bit rate : 28.8 Mbps
Width : 703 pixels
Original width : 720 pixels
Height : 576 pixels
Display aspect ratio : 4:3
Frame rate mode : Constant
Frame rate : 25.000 fps
Standard : PAL
Color space : YUV
Chroma subsampling : 4:1:1
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Scan order, stored/displayed i : Yes
Compression mode : Lossy
Bits/(Pixel*Frame) : 2.414
Time code of first frame : 00:00:00:00
Time code source : Subcode time code
Stream size : 2.57 GiB (73%)
Encoded stream size : 3.03 GiB (86%)
Title : Apple 视频媒体处理程序 / Apple 替身数据处理程序
Language : English
Encoded date : UTC 2014-06-26 03:28:19
Tagged date : UTC 2014-06-26 03:41:38
Color primaries : BT.601 PAL
Transfer characteristics : BT.709
Matrix coefficients : BT.601
Audio #1
ID : 2
Format : PCM
Format settings, Endianness : Little
Format settings, Sign : Unsigned
Codec ID : in24
Duration : 15mn 4s
Bit rate mode : Constant
Bit rate : 2 304 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 248 MiB (7%)
Title : Apple 声音媒体处理程序 / Apple 替身数据处理程序
Language : English
Encoded date : UTC 2014-06-26 03:28:19
Tagged date : UTC 2014-06-26 03:41:38
Audio #2
ID : 3
Format : PCM
Format settings, Endianness : Little
Format settings, Sign : Unsigned
Codec ID : in24
Duration : 15mn 4s
Bit rate mode : Constant
Bit rate : 2 304 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 248 MiB (7%)
Title : Apple 声音媒体处理程序 / Apple 替身数据处理程序
Language : English
Encoded date : UTC 2014-06-26 03:28:19
Tagged date : UTC 2014-06-26 03:41:38
Other
ID : 4
Type : Time code
Format : QuickTime TC
Duration : 15mn 4s
Time code of first frame : 00:00:00:00
Time code settings : Striped
Title : 时间码媒体处理程序 / Apple 替身数据处理程序
Language : English
Encoded date : UTC 2014-06-26 03:41:38
Tagged date : UTC 2014-06-26 03:41:38
[ 本帖最后由 lejcey 于 14-6-30 20:35 编辑 ]