DVDfab isn't the first to make this kind of downloader. I've compared the media info from a file downloaded with dvdfab and another app. Here's the results:
DVDfab:
Otherapp:
I'm not knowledgeable enough to know how to compare these files... Anyone able to share any insights?
DVDfab:
Code:
General Complete name : V:\#recycle\New Rips\AnyStream\Octonauts_S01E01_The Undersea Storm _ The Giant Squid.mp4 Format : MPEG-4 Format profile : Base Media Codec ID : isom (isom/iso2/avc1/mp41) File size : 887 MiB Duration : 23 min 28 s Overall bit rate mode : Variable Overall bit rate : 5 283 kb/s Collection : Octonauts Season : 4 Track name : The Undersea Storm / The Giant Squid Description : It's reef lobsters to the rescue when Kwazii's Gup-B breaks down; the Octonauts launch a determined search for an elusive giant squid. Recorded date : 2010 Writing application : DVDFab Video Downloader Part_ID : 1 Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : Main@L4 Format settings : CABAC / 1 Ref Frames Format settings, CABAC : Yes Format settings, Reference frames : 1 frame Format settings, GOP : M=1, N=24 Codec ID : avc1 Codec ID/Info : Advanced Video Coding Duration : 23 min 28 s Bit rate mode : Variable Bit rate : 5 151 kb/s Maximum bit rate : 5 500 kb/s Width : 1 920 pixels Height : 1 080 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 25.000 FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.099 Stream size : 865 MiB (98%) Codec configuration box : avcC Audio ID : 2 Format : AAC LC SBR Format/Info : Advanced Audio Codec Low Complexity with Spectral Band Replication Commercial name : HE-AAC Format settings : Implicit Codec ID : mp4a-40-2 Duration : 23 min 28 s Bit rate mode : Constant Bit rate : 128 kb/s Channel(s) : 2 channels Channel layout : L R Sampling rate : 48.0 kHz Frame rate : 23.438 FPS (2048 SPF) Compression mode : Lossy Stream size : 21.5 MiB (2%) Default : Yes Alternate group : 1
Code:
General Complete name : V:\New Rips\AnyStream\Octonauts - 01x01 - The Undersea Storm - The Giant Squid.mp4 Format : MPEG-4 Format profile : Base Media Codec ID : isom (isom/iso2/avc1/mp41/iso6/piff) File size : 474 MiB Duration : 23 min 28 s Overall bit rate mode : Variable Overall bit rate : 2 820 kb/s Movie name : The Undersea Storm / The Giant Squid Encoded date : UTC 2020-12-18 02:51:27 Tagged date : UTC 2020-12-18 02:51:27 Comment : It's reef lobsters to the rescue when Kwazii's Gup-B breaks down; the Octonauts launch a determined search for an elusive giant squid. Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : High@L4 Format settings : CABAC / 4 Ref Frames Format settings, CABAC : Yes Format settings, Reference frames : 4 frames Codec ID : avc1 Codec ID/Info : Advanced Video Coding Duration : 23 min 28 s Source duration : 1 min 59 s Bit rate mode : Variable Bit rate : 2 688 kb/s Maximum bit rate : 20.0 Mb/s Width : 1 920 pixels Height : 1 080 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 25.000 FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.052 Stream size : 451 MiB (95%) Source stream size : 451 MiB (95%) Writing library : x264 core 148 r2715 7e75228 Encoding settings : cabac=1 / ref=4 / deblock=1:0:0 / analyse=0x3:0x111 / me=umh / subme=10 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=120 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / stitchable=1 / constrained_intra=0 / bframes=16 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=126 / scenecut=0 / intra_refresh=0 / rc_lookahead=250 / rc=crf / mbtree=1 / crf=24.0 / qcomp=0.50 / qpmin=6 / qpmax=51 / qpstep=4 / vbv_maxrate=20000 / vbv_bufsize=25000 / crf_max=0.0 / nal_hrd=vbr / filler=0 / ip_ratio=1.40 / aq=1:0.80 Encoded date : UTC 2020-12-18 02:51:27 Tagged date : UTC 2020-12-18 02:51:27 mdhd_Duration : 1408480 Codec configuration box : avcC Audio ID : 2 Format : E-AC-3 Format/Info : Enhanced AC-3 Commercial name : Dolby Digital Plus Codec ID : ec-3 Duration : 23 min 28 s Bit rate mode : Constant Bit rate : 128 kb/s Channel(s) : 2 channels Channel layout : L R Sampling rate : 48.0 kHz Frame rate : 31.250 FPS (1536 SPF) Compression mode : Lossy Stream size : 21.5 MiB (5%) Language : English Service kind : Complete Main Encoded date : UTC 2020-12-18 02:51:27 Tagged date : UTC 2020-12-18 02:51:27 Text ID : 3 Format : Timed Text Muxing mode : sbtl Codec ID : tx3g Duration : 1 min 17 s Source duration : 22 min 46 s Bit rate mode : Variable Bit rate : 46 b/s Stream size : 451 Bytes (0%) Source stream size : 12.2 KiB (0%) Title : English / English Language : English Forced : No Encoded date : UTC 2020-12-18 02:51:27 Tagged date : UTC 2020-12-18 02:51:27