stazene HDV po rekompresi zpomalene
Caute, predem se omlouvam za lamovskou terminologii, nesu zadny guru. Problem mam takovyto:
mam stazene z miniDV pasky z moji Canon HV10 videa - co kazeta to file. format Mpeg, stazeno programem Adobe Premiere 3.0. KMPlayer ukazuje tyto detaily o tom souboru:
[size=-2]
[Video Info]
Decoder - (MPEG2) Gabest MPEG Video Deocder for MPEG2
Format - Major Type: Video - Sub Type: YV12
VideoInfo2: YV12 1440X1080, 12 bits
Format - Major Type: Video - Sub Type: YV12
VideoInfo2: YV12 1536X-1080, 12 bits
[Audio Info]
Decoder - (0x50) KMP Audio Codec(MP2 Audio-libmad.dll)
Format - Major Type: Audio - Sub Type: PCM
WaveFormatEx: PCM(0x1), 48000 Hz, 16 Bits, 2 Ch
--------------------
[File Info]
--------------------
h:\domaci video\3.0\cela kazet 2.mpeg
General #FF
ID : FF
Complete name : h:\domaci video\3.0\cela kazet 2.mpeg
Format : MPEG-2 Transport
Format/Family : MPEG-2
File size : 10.7 GiB
Video #2064
ID : 2064 (0x810)
MenuID/String : 100 (0x64)
Codec : MPEG-2 Video
Codec/Family : MPEG-V
Codec profile : Main@High-1440
Codec settings, Matrix : Standard
Bit rate mode : CBR
Bit rate : 25.0 Mbps
Nominal bit rate : 25.0 Mbps
Width : 1440 pixels
Height : 1080 pixels
Display Aspect ratio : 16/9
Frame rate : 29.970 fps
Chroma : 4:2:0
Interlacement : Top Field First
Bits/(Pixel*Frame) : 0.536
[/size]
kdyz toto video otevru ve Vegasu a rendruju do MP4 pri zachovani vsech parametru stejnych (rozlis., fps, upper field, atd atd) jako jsou uvedene u puvodniho formatu viz vyse tak je vysledne video takoveto:
[size=-2]
--------------------
[File Info]
--------------------
h:\domaci video\OUT\sony 7.mp4
General
Complete name : h:\domaci video\OUT\sony 7.mp4
Format : MPEG-4
Format/Info : ISO 14496-1 version 2
Format/Family : MPEG-4
File size : 7.23 MiB
PlayTime : 5s 939ms
Bit rate : 10.2 Mbps
StreamSize/String : 5.07 KiB
Encoded date : UTC 2008-08-28 18:45:57
Tagged date : UTC 2008-08-28 18:45:57
Video #2
Codec : AVC
Codec/Family : AVC
Codec/Info : Advanced Video Codec
Codec profile : Main@L4.0
Codec settings, CABAC : Yes
Codec_Settings_RefFrames : 2
PlayTime : 5s 939ms
Bit rate mode : VBR
Bit rate : 10.1 Mbps
Width : 1648 pixels
Height : 928 pixels
Display Aspect ratio : 16/9
Frame rate mode : CFR
Frame rate : 59.940 fps
Standard : NTSC
Chroma : 4:2:0
Bits/(Pixel*Frame) : 0.110
StreamSize/String : 7.14 MiB
Language : English
Encoded date : UTC 2008-08-28 18:45:57
Tagged date : UTC 2008-08-28 18:45:57
[/size]
Co je ale problem ze vysledny fajl v KMPlayeru ma ok zvuk, ale ma obraz cca 2x zpomaleny. CO DELAM SPATNE? je to tim framerate 59,940? proc to tak je kdyz mu zadavam v Configu MP4 formatu 29,97
dik za radu
Pavel
mam stazene z miniDV pasky z moji Canon HV10 videa - co kazeta to file. format Mpeg, stazeno programem Adobe Premiere 3.0. KMPlayer ukazuje tyto detaily o tom souboru:
[size=-2]
[Video Info]
Decoder - (MPEG2) Gabest MPEG Video Deocder for MPEG2
Format - Major Type: Video - Sub Type: YV12
VideoInfo2: YV12 1440X1080, 12 bits
Format - Major Type: Video - Sub Type: YV12
VideoInfo2: YV12 1536X-1080, 12 bits
[Audio Info]
Decoder - (0x50) KMP Audio Codec(MP2 Audio-libmad.dll)
Format - Major Type: Audio - Sub Type: PCM
WaveFormatEx: PCM(0x1), 48000 Hz, 16 Bits, 2 Ch
--------------------
[File Info]
--------------------
h:\domaci video\3.0\cela kazet 2.mpeg
General #FF
ID : FF
Complete name : h:\domaci video\3.0\cela kazet 2.mpeg
Format : MPEG-2 Transport
Format/Family : MPEG-2
File size : 10.7 GiB
Video #2064
ID : 2064 (0x810)
MenuID/String : 100 (0x64)
Codec : MPEG-2 Video
Codec/Family : MPEG-V
Codec profile : Main@High-1440
Codec settings, Matrix : Standard
Bit rate mode : CBR
Bit rate : 25.0 Mbps
Nominal bit rate : 25.0 Mbps
Width : 1440 pixels
Height : 1080 pixels
Display Aspect ratio : 16/9
Frame rate : 29.970 fps
Chroma : 4:2:0
Interlacement : Top Field First
Bits/(Pixel*Frame) : 0.536
[/size]
kdyz toto video otevru ve Vegasu a rendruju do MP4 pri zachovani vsech parametru stejnych (rozlis., fps, upper field, atd atd) jako jsou uvedene u puvodniho formatu viz vyse tak je vysledne video takoveto:
[size=-2]
--------------------
[File Info]
--------------------
h:\domaci video\OUT\sony 7.mp4
General
Complete name : h:\domaci video\OUT\sony 7.mp4
Format : MPEG-4
Format/Info : ISO 14496-1 version 2
Format/Family : MPEG-4
File size : 7.23 MiB
PlayTime : 5s 939ms
Bit rate : 10.2 Mbps
StreamSize/String : 5.07 KiB
Encoded date : UTC 2008-08-28 18:45:57
Tagged date : UTC 2008-08-28 18:45:57
Video #2
Codec : AVC
Codec/Family : AVC
Codec/Info : Advanced Video Codec
Codec profile : Main@L4.0
Codec settings, CABAC : Yes
Codec_Settings_RefFrames : 2
PlayTime : 5s 939ms
Bit rate mode : VBR
Bit rate : 10.1 Mbps
Width : 1648 pixels
Height : 928 pixels
Display Aspect ratio : 16/9
Frame rate mode : CFR
Frame rate : 59.940 fps
Standard : NTSC
Chroma : 4:2:0
Bits/(Pixel*Frame) : 0.110
StreamSize/String : 7.14 MiB
Language : English
Encoded date : UTC 2008-08-28 18:45:57
Tagged date : UTC 2008-08-28 18:45:57
[/size]
Co je ale problem ze vysledny fajl v KMPlayeru ma ok zvuk, ale ma obraz cca 2x zpomaleny. CO DELAM SPATNE? je to tim framerate 59,940? proc to tak je kdyz mu zadavam v Configu MP4 formatu 29,97
dik za radu
Pavel
aha, takze jsem na to velmi zahy prisel - kdyz nastavim v mp4 kodeku framerate na half NTSC - tedy 14,9xxx tak je vysledek 29.997 a uz to zpomalene neni.
dovede mi tenhle figl nekdo vysvetlit (je to kvuli deinterlacingu ktery tam probehne?)
dovede mi tenhle figl nekdo vysvetlit (je to kvuli deinterlacingu ktery tam probehne?)