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BBC - Surviving Aberfan (2016)

Posted By: Tutorial

Date: 21 Oct 2016 21:11:07

Fifty years ago on October 21st 1966 a roaring avalanche of coal waste crashed into a school and 18 houses in the south Wales village of Aberfan. Death and destruction were wrought in a few unbelievable minutes. It was a race against time to rescue survivors. 116 children and 28 adults were killed. It is a day everyone who lived through it will always remember. In this film the people of Aberfan tell their stories of tragic loss, miraculous survival and heroic rescue. They also reveal how they have coped with the consequences of the disaster. This is their story of surviving Aberfan.

MediaInfo

[ About file ]

Name: Surviving.Aberfan.mkv
Date: Fri, 21 Oct 2016 23:31:59 +0300
Size: 1,055,066,224 bytes (1006.18956 MiB)

[ Magic ]

File type: data

[ Generic infos ]

Duration: 00:58:57 (3536.76 s)
Container: matroska
Production date: Fri, 21 Oct 2016 21:10:49 +0300
Total tracks: 3
Track nr. 1: video (V_MPEG4/ISO/AVC) {eng}
Track nr. 2: audio (A_AAC) {eng}
Track nr. 3: subtitle (S_TEXT/UTF8) {eng}
Muxing library: libebml v1.3.4 + libmatroska v1.4.5
Writing application: mkvmerge v9.5.0 ('Quiet Fire') 64bit

[ Relevant data ]

Resolution: 1280 x 720
Width: multiple of 32
Height: multiple of 16
Average DRF: 19.160592
Standard deviation: 4.639431
Std. dev. weighted mean: 4.411196

[ Video track ]

Codec ID: V_MPEG4/ISO/AVC
Resolution: 1280 x 720
Frame aspect ratio: 16:9 = 1.777778
Pixel aspect ratio: 1:1 = 1
Display aspect ratio: 16:9 = 1.777778
Framerate: 25 fps
Stream size: 998,061,386 bytes (951.82551 MiB)
Duration (bs): 00:58:57 (3536.76 s)
Bitrate (bs): 2257.57221 kbps
Qf: 0.097985

[ Audio track ]

Codec ID: A_AAC
Sampling frequency: 48000 Hz
Channels: 2
Stream size: 55,902,801 bytes (53.313066 MiB)
Bitstream type (bs): AAC LC (Low Complexity)
Frames (bs): 165,785
Duration (bs): 00:58:57 (3536.746667 s)
Chunk-aligned (bs): Yes
Bitrate (bs): 126.450224 kbps VBR
Sampling frequency (bs): 48000 Hz
Mode (bs): 2: front-left, front-right

[ Video bitstream ]

Bitstream type: MPEG-4 Part 10
User data: x264 | core 148 r2721 72d53ab | H.264/MPEG-4 AVC codec
User data: Copyleft 2003-2016 | cabac=1
User data: ref=6 | deblock=1:0:0 | analyse=0x3:0x113 | me=umh | subme=9 | psy=1
User data: psy_rd=1.00:0.00 | mixed_ref=1 | me_range=24 | chroma_me=1
User data: trellis=1 | 8x8dct=1 | cqm=0 | deadzone=21,11 | fast_pskip=0
User data: chroma_qp_offset=-2 | threads=3 | lookahead_threads=1
User data: sliced_threads=0 | nr=0 | decimate=1 | interlaced=0
User data: bluray_compat=0 | constrained_intra=0 | bframes=5 | b_pyramid=2
User data: b_adapt=2 | b_bias=0 | direct=1 | weightb=1 | open_gop=0 | weightp=2
User data: keyint=250 | keyint_min=25 | scenecut=40 | intra_refresh=0
User data: rc_lookahead=40 | rc=crf | mbtree=1 | crf=20.0 | qcomp=0.60
User data: qpmin=0 | qpmax=69 | qpstep=4 | ip_ratio=1.40 | aq=1:1.00
SPS id: 0
Profile: High@L4.1
Num ref frames: 6
Chroma format: YUV 4:2:0
PPS id: 0 (SPS: 0)
Entropy coding type: CABAC
Weighted prediction: P slices - explicit weighted prediction
Weighted bipred idc: B slices - implicit weighted prediction
8x8dct: Yes
Total frames: 88,419
Drop/delay frames: 0
Corrupt frames: 0

P-slices: 21517 ( 24.335 %) #####
B-slices: 66286 ( 74.968 %) ###############
I-slices: 616 ( 0.697 %)
SP-slices: 0 ( 0.000 %)
SI-slices: 0 ( 0.000 %)

[ DRF analysis ]

average DRF: 19.192436
standard deviation: 4.643235
max DRF: 32

DRF<4: 0 ( 0.000 %)
DRF=4: 2 ( 0.002 %)
DRF=5: 3 ( 0.003 %)
DRF=6: 17 ( 0.019 %)
DRF=7: 52 ( 0.059 %)
DRF=8: 225 ( 0.254 %)
DRF=9: 308 ( 0.348 %)
DRF=10: 616 ( 0.697 %)
DRF=11: 881 ( 0.996 %)
DRF=12: 2342 ( 2.649 %) #
DRF=13: 3482 ( 3.938 %) #
DRF=14: 6556 ( 7.415 %) #
DRF=15: 6661 ( 7.533 %) ##
DRF=16: 8371 ( 9.467 %) ##
DRF=17: 6467 ( 7.314 %) #
DRF=18: 8273 ( 9.357 %) ##
DRF=19: 4842 ( 5.476 %) #
DRF=20: 5139 ( 5.812 %) #
DRF=21: 6122 ( 6.924 %) #
DRF=22: 5346 ( 6.046 %) #
DRF=23: 5489 ( 6.208 %) #
DRF=24: 4135 ( 4.677 %) #
DRF=25: 3091 ( 3.496 %) #
DRF=26: 3219 ( 3.641 %) #
DRF=27: 2651 ( 2.998 %) #
DRF=28: 1879 ( 2.125 %)
DRF=29: 1092 ( 1.235 %)
DRF=30: 974 ( 1.102 %)
DRF=31: 167 ( 0.189 %)
DRF=32: 17 ( 0.019 %)
DRF>32: 0 ( 0.000 %)

P-slices average DRF: 16.806618
P-slices std. deviation: 4.376283
P-slices max DRF: 31

B-slices average DRF: 20.011812
B-slices std. deviation: 4.434996
B-slices max DRF: 32

I-slices average DRF: 14.358766
I-slices std. deviation: 3.82781
I-slices max DRF: 26

[ DRF analysis (corrected) ]

End of start credits time position: 00:00:26 (26.24 s) - ignored frames: 656

average DRF: 19.160592
standard deviation: 4.639431
max DRF: 32

DRF<4: 0 ( 0.000 %)
DRF=4: 2 ( 0.002 %)
DRF=5: 3 ( 0.003 %)
DRF=6: 17 ( 0.019 %)
DRF=7: 52 ( 0.059 %)
DRF=8: 225 ( 0.256 %)
DRF=9: 308 ( 0.351 %)
DRF=10: 614 ( 0.700 %)
DRF=11: 880 ( 1.003 %)
DRF=12: 2342 ( 2.669 %) #
DRF=13: 3482 ( 3.968 %) #
DRF=14: 6556 ( 7.470 %) #
DRF=15: 6661 ( 7.590 %) ##
DRF=16: 8369 ( 9.536 %) ##
DRF=17: 6465 ( 7.366 %) #
DRF=18: 8265 ( 9.417 %) ##
DRF=19: 4828 ( 5.501 %) #
DRF=20: 5105 ( 5.817 %) #
DRF=21: 6039 ( 6.881 %) #
DRF=22: 5222 ( 5.950 %) #
DRF=23: 5374 ( 6.123 %) #
DRF=24: 4067 ( 4.634 %) #
DRF=25: 3043 ( 3.467 %) #
DRF=26: 3173 ( 3.615 %) #
DRF=27: 2607 ( 2.971 %) #
DRF=28: 1845 ( 2.102 %)
DRF=29: 1074 ( 1.224 %)
DRF=30: 963 ( 1.097 %)
DRF=31: 165 ( 0.188 %)
DRF=32: 17 ( 0.019 %)
DRF>32: 0 ( 0.000 %)

P-slices average DRF: 16.76877
P-slices std. deviation: 4.358389
P-slices max DRF: 31

B-slices average DRF: 19.982759
B-slices std. deviation: 4.433881
B-slices max DRF: 32

I-slices average DRF: 14.335516
I-slices std. deviation: 3.816627
I-slices max DRF: 26

[ Profile compliancy ]

Selected profile: MTK PAL 6000
Resolution: 1280 x 720 > 720 x 576
Framerate: Ok
Buffer underflow: 00:45:01 (frame 67530)

This report was created by AVInaptic (18-12-2011) on 22-10-2016 00:05:58

Screenshots