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ffmpeg 使用 -flags +ildct+ilme -c:a ac3 -b:a 160k -target ntsc-dvd 已经创建了NTSC DVD 但是在TDA3还是红色的SR
使用potplay对比文件信息
Video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings : CustomMatrix / BVOP
Format settings, BVOP : Yes
Format settings, Matrix : Custom
Format settings, GOP : Variable
Format settings, picture struc : Frame
Duration : 3 min 5 s
Bit rate mode : Variable
Bit rate : 4 301 kb/s
Maximum bit rate : 7 800 kb/s
Width : 720 pixels
Height : 480 pixels
Display aspect ratio : 16:9
Frame rate : 29.970 (30000/1001) FPS
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.415
Time code of first frame : 00:00:00:00
Time code source : Group of pictures header
Stream size : 95.2 MiB (94%)
Writing library : TMPGEnc Video Mastering Works 5 Version. 5.0.6.38
Color primaries : BT.601 NTSC
Transfer characteristics : BT.601
Matrix coefficients : BT.601
Video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@Main
Format settings, BVOP : No
Format settings, Matrix : Default
Format settings, GOP : Variable
Format settings, picture struc : Frame
Duration : 1 h 0 min
Bit rate mode : Variable
Bit rate : 4 395 kb/s
Maximum bit rate : 9 000 kb/s
Width : 720 pixels
Height : 480 pixels
Display aspect ratio : 16:9
Frame rate : 29.970 (30000/1001) FPS
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.424
Time code of first frame : 00:00:00:00
Time code source : Group of pictures header
GOP, Open/Closed : Open
GOP, Open/Closed of first fram : Closed
Stream size : 1.85 GiB (95%)
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
到底是tmpg太严格 了还是 ffmpeg需要再加点命令行
主要是现在习惯了ffmpeg的读取文件的兼容性 和一些简单的vf滤镜
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