Potresti anche aver salvato con un framerate diverso, non ricordo come viene gestito o eventuali impostazioni predefinite (dovrebbe adattarsi, ma tanto vale fare una prova pratica).
Prova a scrivere qua i dettagli del video sorgente e di quello convertito. Ti consiglio di usare MediaInfo, lo trovi facilmente con Google.
General
Complete name : I:\FILM\scary movie2.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42
File size : 1.10 GiB
Duration : 1h 11mn
Overall bit rate mode : Variable
Overall bit rate : 2 209 Kbps
Encoded date : UTC 2015-08-02 15:54:36
Tagged date : UTC 2015-08-02 15:54:36
Video
ID : 2
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L3.1
Format settings, CABAC : Yes
Format settings, ReFrames : 3 frames
Format settings, GOP : M=4, N=15
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 1h 11mn
Bit rate mode : Variable
Bit rate : 2 012 Kbps
Maximum bit rate : 4 000 Kbps
Width : 960 pixels
Height : 540 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 fps
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.130
Stream size : 1.00 GiB (91%)
Language : English
Encoded date : UTC 2015-08-02 15:54:36
Tagged date : UTC 2015-08-02 15:54:36
Color range : Limited
Audio
ID : 1
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 1h 11mn
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : channel0
Channel(s)_Original : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 98.2 MiB (9%)
Language : English
Encoded date : UTC 2015-08-02 15:54:36
Tagged date : UTC 2015-08-02 15:54:36
General
Complete name : I:\FILM\Scary Movie 2.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 5.41 GiB
Duration : 1h 34mn
Overall bit rate mode : Variable
Overall bit rate : 8 175 Kbps
Encoded date : UTC 1970-01-01 00:00:00
Tagged date : UTC 1970-01-01 00:00:00
Writing application : Lavf53.18.0
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 1h 34mn
Bit rate : 8 000 Kbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.129
Stream size : 5.30 GiB (98%)
Writing library : x264 core 119
Encoding settings : cabac=1 / ref=1 / deblock=1:0:0 / analyse=0x3:0x3 / me=dia / subme=1 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=8 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc=abr / mbtree=0 / bitrate=8000 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / pb_ratio=1.30 / aq=1:1.00
Encoded date : UTC 1970-01-01 00:00:00
Tagged date : UTC 1970-01-01 00:00:00
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 1h 34mn
Bit rate mode : Variable
Bit rate : 152 Kbps
Maximum bit rate : 192 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 44.1 KHz
Compression mode : Lossy
Stream size : 103 MiB (2%)
Encoded date : UTC 1970-01-01 00:00:00
Tagged date : UTC 1970-01-01 00:00:00
Il file da 5gb é l'originale..
