[FFmpeg-trac] #7367(undetermined:new): Magic Lantern Video (MLV) looks green
FFmpeg
trac at avcodec.org
Sat Aug 18 01:38:14 EEST 2018
#7367: Magic Lantern Video (MLV) looks green
-------------------------------------+-------------------------------------
Reporter: llogan | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git- | undetermined
master | Keywords: mlv
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
{{{
$ ./ffmpeg -i M16-1626.MLV -frames:v 1 output.png
ffmpeg version N-91634-gc2eec1762d Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 8.2.0 (GCC)
configuration:
libavutil 56. 19.100 / 56. 19.100
libavcodec 58. 23.100 / 58. 23.100
libavformat 58. 17.103 / 58. 17.103
libavdevice 58. 4.101 / 58. 4.101
libavfilter 7. 26.100 / 7. 26.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
[mlv @ 0x555e950c76c0] unsupported tag RAWC, size 16
[mlv @ 0x555e950c76c0] unsupported tag VERS, size 164
[mlv @ 0x555e950c76c0] unsupported tag VERS, size 156
[mlv @ 0x555e950c76c0] unsupported tag VERS, size 164
[mlv @ 0x555e950c76c0] Opening 'M16-1626.M00' for reading
Input #0, mlv, from 'M16-1626.MLV':
Metadata:
guid : 0x9d14f8469a33a33a
cameraName : Canon EOS REBEL T5i
cameraModel : 2147484454
cameraSerial : 13196E1243
isoMode : manual
isoValue : 100
isoAnalog : 72
digitalGain : 0
shutterValue : 31152
focalLength : 50
focalDist : 0
aperture : 320
stabilizerMode : 0
autofocusMode : 3
flags : 0
lensID : 29
lensName : EF50mm f/1.8 II
time : 2018-08-16 16:25:16
wb_mode : 9
kelvin : 3200
wbgain_r : 855
wbgain_g : 1024
wbgain_b : 350
wbs_gm : 0
wbs_ba : 0
Duration: 00:00:01.17, start: 0.000000, bitrate: 309417 kb/s
Stream #0:0: Video: rawvideo (BIT[16] / 0x10544942), bayer_rggb16le,
1280x720, 23.97 tbr, 23.97 tbn, 23.97 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> png (native))
Press [q] to stop, [?] for help
Output #0, image2, to 'output.png':
Metadata:
guid : 0x9d14f8469a33a33a
cameraName : Canon EOS REBEL T5i
cameraModel : 2147484454
cameraSerial : 13196E1243
isoMode : manual
isoValue : 100
isoAnalog : 72
digitalGain : 0
shutterValue : 31152
focalLength : 50
focalDist : 0
aperture : 320
stabilizerMode : 0
autofocusMode : 3
flags : 0
lensID : 29
lensName : EF50mm f/1.8 II
time : 2018-08-16 16:25:16
wb_mode : 9
kelvin : 3200
wbgain_r : 855
wbgain_g : 1024
wbgain_b : 350
wbs_gm : 0
wbs_ba : 0
encoder : Lavf58.17.103
Stream #0:0: Video: png, rgb24, 1280x720, q=2-31, 200 kb/s, 23.97 fps,
23.97 tbn, 23.97 tbc
Metadata:
encoder : Lavc58.23.100 png
frame= 1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
speed=0.188x
video:510kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
}}}
Sample:
https://avmule.com/samples/M16-1626.MLV
Created using magiclantern-Nightly.2018Jul03.700D115.zip. Subject is a
gray card. Color is correct if played back in camera. mlvfs converts MLV
to DNG and also creates a correct color output:
https://avmule.com/samples/M16-1626_000000.dng
The pink and purple artifacts in the center of the image are present in
the source are not related to this "green" issue.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7367>
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