matrix和primary轉換求教
本帖最后由 atomsfear 于 2017-4-24 00:23 编辑我手上有一個NV內建錄屏錄下來的影片，我想要請問的是如果我想要用fmtconv把matrix和primary轉換成BT.709該怎麼做呢，它PAL跟NTSC都有寫也讓我很混淆，BT.470 System M寫的跟MADVR裡的SMPTE 170M也不一樣，然後想求教Transfer characteristics到底是做什麼用的。
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 1 frame
Format settings, GOP : M=1, N=30
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 1 min 31 s
Source duration : 1 min 31 s
Bit rate : 40.0 Mb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 60.000 FPS
Minimum frame rate : 46.154 FPS
Maximum frame rate : 63.830 FPS
Standard : PAL
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.322
Stream size : 435 MiB (99%)
Source stream size : 435 MiB (99%)
Color range : Limited
Color primaries : BT.601 NTSC
Transfer characteristics : BT.470 System M
Matrix coefficients : BT.601
mdhd_Duration : 91131
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