[FFmpeg-trac] #7624(avcodec:new): Improve colours in Dolby Vision samples
FFmpeg
trac at avcodec.org
Tue Dec 18 00:16:56 EET 2018
#7624: Improve colours in Dolby Vision samples
---------------------------------------+---------------------------------
Reporter: cehoyos | Owner:
Type: enhancement | Status: new
Priority: wish | Component: avcodec
Version: git-master | Keywords: hevc
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
---------------------------------------+---------------------------------
The Dolby Vision samples show strange colours:
https://4kmedia.org/lg-amaze-dolby-vision-uhd-4k-demo/
{{{
$ ffmpeg -i LG\ Amaze\ Dolby\ Vision\ UHD\ 4K\ Demo.ts -qscale 2 out.avi
ffmpeg version N-92729-ga1f0dd2 Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 6.4.0 (GCC)
configuration: --enable-gpl --enable-libxml2 --enable-gnutls --enable-
gmp --enable-version3 --enable-libx264
libavutil 56. 24.101 / 56. 24.101
libavcodec 58. 42.102 / 58. 42.102
libavformat 58. 24.101 / 58. 24.101
libavdevice 58. 6.101 / 58. 6.101
libavfilter 7. 46.101 / 7. 46.101
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
[hevc @ 0x283a800] Skipping NAL unit 62
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'LG Amaze Dolby Vision UHD 4K
Demo.ts':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: mp42dby1isom
creation_time : 2017-04-13T20:09:18.000000Z
Duration: 00:00:56.20, start: 0.000000, bitrate: 28362 kb/s
Stream #0:0(und): Video: hevc (Main 10) (dvhe / 0x65687664),
yuv420p10le(tv), 3840x2160 [SAR 1:1 DAR 16:9], 27713 kb/s, 60 fps, 60 tbr,
60k tbn, 60 tbc (default)
Metadata:
creation_time : 2017-04-13T20:09:18.000000Z
handler_name : video handler
encoder : DOVI Coding
Stream #0:1(und): Audio: eac3 (ec-3 / 0x332D6365), 48000 Hz,
5.1(side), fltp, 640 kb/s (default)
Metadata:
creation_time : 2017-04-13T20:09:18.000000Z
handler_name : sound handler
Side data:
audio service type: main
Please use -q:a or -q:v, -qscale is ambiguous
Stream mapping:
Stream #0:0 -> #0:0 (hevc (native) -> mpeg4 (native))
Stream #0:1 -> #0:1 (eac3 (native) -> ac3 (native))
Press [q] to stop, [?] for help
[hevc @ 0x286df00] Skipping NAL unit 62
[hevc @ 0x2868100] Skipping NAL unit 62
[hevc @ 0x287d0c0] Skipping NAL unit 62
[hevc @ 0x28cdf80] Skipping NAL unit 62
[hevc @ 0x28de740] Skipping NAL unit 62
[hevc @ 0x2945bc0] Skipping NAL unit 62
[hevc @ 0x29562c0] Skipping NAL unit 62
[hevc @ 0x2977440] Skipping NAL unit 62
[hevc @ 0x2966ac0] Skipping NAL unit 62
[hevc @ 0x286df00] Skipping NAL unit 62
[hevc @ 0x2868100] Skipping NAL unit 62
Output #0, avi, to 'out.avi':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: mp42dby1isom
ISFT : Lavf58.24.101
Stream #0:0(und): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 3840x2160
[SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 60 fps, 60 tbn, 60 tbc (default)
Metadata:
creation_time : 2017-04-13T20:09:18.000000Z
handler_name : video handler
encoder : Lavc58.42.102 mpeg4
Side data:
cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
Stream #0:1(und): Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz,
5.1(side), fltp, 448 kb/s (default)
Metadata:
creation_time : 2017-04-13T20:09:18.000000Z
handler_name : sound handler
encoder : Lavc58.42.102 ac3
Side data:
audio service type: main
[hevc @ 0x287d0c0] Skipping NAL unit 62
[hevc @ 0x28cdf80] Skipping NAL unit 62
...
[hevc @ 0x28de740] Skipping NAL unit 62
[hevc @ 0x2945bc0] Skipping NAL unit 62
frame= 3372 fps= 31 q=2.0 Lsize= 1769927kB time=00:00:56.20
bitrate=257993.6kbits/s speed=0.51x
video:1766724kB audio:3073kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: 0.007307%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7624>
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