#511: Intel JPEG library: flipped?
-------------------------------------+-------------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git-master | undetermined
Keywords: mjpeg | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 1
-------------------------------------+-------------------------------------
Comment (by ami_stuff):
In this case the file is flipped unnecessary.
libavcodec/mjpegdec.c:
{{{
else if((len > 20 && !strncmp(cbuf, "Intel(R) JPEG Library",
21)) ||
(len > 19 && !strncmp(cbuf, "Metasoft MJPEG Codec",
20))){
- s->flipped = 1;
+ s->flipped = 0;
}
}}}
so it looks like the intel jpeg encoder can save flipped and not flipped
jpeg frames and the question is how to identify which frames should be
fliped and which not.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/511#comment:2>
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