I observed one thing... every trailer downloaded from apple.com/trailers (1080P) works PERFECT (there are 23.97fps)
Mediainfo from Transformers 2 trailer:
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile :
[email protected]
Format settings, CABAC : No
Format settings, ReFrames : 2 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 2mn 30s
Bit rate mode : Variable
Bit rate : 9 617 Kbps
Width : 1 920 pixels
Height : 800 pixels
Display aspect ratio : 2.40:1
Frame rate mode : Constant
Frame rate : 23.976 fps
Resolution : 8 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.261
Stream size : 172 MiB (99%)
Language : English
Encoded date : UTC 2009-05-04 16:29:17
Tagged date : UTC 2009-05-07 16:49:51
Color primaries : BT.709-5, BT.1361, IEC 61966-2-4, SMPTE RP177
Transfer characteristics : BT.709-5, BT.1361
Matrix coefficients : BT.709-5, BT.1361, IEC 61966-2-4 709, SMPTE RP177
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format version : Version 4
Format profile : LC
Format settings, SBR : No
Codec ID : 40
Duration : 2mn 30s
Bit rate mode : Constant
Bit rate : 96.0 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 44.1 KHz
Stream size : 1.75 MiB (1%)
Language : English
Encoded date : UTC 2009-05-04 16:29:17
Tagged date : UTC 2009-05-07 16:49:51
With tested movies most judder/drop frames have with bluray rip of disame movie (Transformers 2) in mkv container.
Mediainfo
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile :
[email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Muxing mode : Container
[email protected]
Codec ID : V_MPEG4/ISO/AVC
Duration : 2h 30mn
Bit rate : 18.9 Mbps
Nominal bit rate : 19.3 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Resolution : 8 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.379
Stream size : 19.8 GiB (90%)
Writing library : x264 core 78 r1318 fe83a90
Encoding settings : cabac=1 / ref=4 / deblock=1:-3:-3 / analyse=0x3:0x113 / me=esa / subme=9 / psy=1 / psy_rd=1.2:0.0 /
mixed_ref=1 / me_range=32 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / chroma_qp_offset=-2 / threads=6 / nr=0 /
decimate=0 / mbaff=0 / constrained_intra=0 / bframes=6 / b_pyramid=0 / b_adapt=2 / b_bias=0 / direct=3 / wpredb=1 / keyint=250 /
keyint_min=25 / scenecut=40 / rc_lookahead=70 / rc=2pass / mbtree=1 / bitrate=19272 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 /
qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=50000 / vbv_bufsize=50000 / ip_ratio=1.40 / aq=1:0.80 /
zones=85441,87130,b=1.25/87235,90254,b=1.25/90501,91426,b=1.25/160287,160561,b=1.25/162627,162695,b=1.25/162733,162901,
b=1.25/162973,163026,b=1.25/163322,163453,b=1.25/163490,163823,b=1.25/163860,163984,b=1.25/164014,164288,b=1.25/168452,168592,
b=1.25/168712,169058,b=1.25/169227,169274,b=1.25/169313,169748,b=1.25/169915,169992,b=1.25/170070,170502,b=1.25/170801,171364,
b=1.25/171406,171995,b=1.25/178178,178286,b=1.25/182037,182157,b=1.25
Language : English
Audio #1
ID : 2
Format : DTS
Format/Info : Digital Theater Systems
Codec ID : A_DTS
Duration : 2h 30mn
Bit rate mode : Constant
Bit rate : 1 510 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Resolution : 24 bits
Stream size : 1.59 GiB (7%)
Title : DTS 5.1 1536 Kbps
Language : English