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[GUIDE] 59.94 progressive to 29.97 interlaced?
#8
With mov output.
Using 'ProRes 422' I get:
Video
ID                                       : 1
Format                                   : ProRes
Format version                           : Version 0
Format profile                           : 422
Codec ID                                 : apcn
Duration                                 : 1 min 14 s
Bit rate mode                            : Variable
Bit rate                                 : 283 Mb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 59.940 FPS
Minimum frame rate                       : 59.880 FPS
Maximum frame rate                       : 60.000 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Scan type                                : Interlaced
Scan type, store method                  : Interleaved fields
Scan order                               : Top Field First
Bits/(Pixel*Frame)                       : 2.276
Stream size                              : 2.46 GiB (99%)
Title                                    : Core Media Video
Writing library                          : Lavc
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709

using 'ProRes 422HQ' I get:
Video
ID                                       : 1
Format                                   : ProRes
Format version                           : Version 0
Format profile                           : 422 HQ
Codec ID                                 : apch
Duration                                 : 1 min 14 s
Bit rate mode                            : Variable
Bit rate                                 : 419 Mb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 59.940 FPS
Minimum frame rate                       : 59.880 FPS
Maximum frame rate                       : 60.000 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Scan type                                : Interlaced
Scan type, store method                  : Interleaved fields
Scan order                               : Top Field First
Bits/(Pixel*Frame)                       : 3.368
Stream size                              : 3.64 GiB (99%)
Title                                    : Core Media Video
Writing library                          : Lavc
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709

using 'ProRes 422 LT':
Video
ID                                       : 1
Format                                   : ProRes
Format version                           : Version 0
Format profile                           : 422 LT
Codec ID                                 : apcs
Duration                                 : 1 min 14 s
Bit rate mode                            : Variable
Bit rate                                 : 202 Mb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 59.940 FPS
Minimum frame rate                       : 59.880 FPS
Maximum frame rate                       : 60.000 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Scan type                                : Interlaced
Scan type, store method                  : Interleaved fields
Scan order                               : Top Field First
Bits/(Pixel*Frame)                       : 1.623
Stream size                              : 1.75 GiB (99%)
Title                                    : Core Media Video
Writing library                          : Lavc
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709

using 'ProRes 422 Proxy:
Video
ID                                       : 1
Format                                   : ProRes
Format version                           : Version 0
Format profile                           : 422 Proxy
Codec ID                                 : apco
Duration                                 : 1 min 14 s
Bit rate mode                            : Variable
Bit rate                                 : 88.3 Mb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 59.940 FPS
Minimum frame rate                       : 59.880 FPS
Maximum frame rate                       : 60.000 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Scan type                                : Interlaced
Scan type, store method                  : Interleaved fields
Scan order                               : Top Field First
Bits/(Pixel*Frame)                       : 0.711
Stream size                              : 787 MiB (97%)
Title                                    : Core Media Video
Writing library                          : Lavc
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709

No clue why they are detected as variable.
Playback seems sync.

Using mkv output, I get:
Video
ID                                       : 1
Format                                   : ProRes
Codec ID                                 : V_PRORES
Duration                                 : 2 min 29 s
Bit rate                                 : 44.2 Mb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 29.970 (30000/1001) FPS
Color space                              : YUV
Bits/(Pixel*Frame)                       : 0.711
Stream size                              : 787 MiB (97%)
Title                                    : Core Media Video
Default                                  : Yes
Forced                                   : Yes
Color range                              : Limited
Matrix coefficients                      : BT.709
output is async.
=> I'll look into it some more.

Cu Selur

Ps.: the unmuxed videostream shows as:
Frame rate mode                          : Constant
Frame rate                               : 59.940 (60000/1001) FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Scan type                                : Interlaced
Scan type, store method                  : Interleaved fields
Scan order                               : Top Field First
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RE: 59.94 progressive to 29.97 interlaced? - by Selur - 07.05.2024, 18:16

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