GST-Tensordecoder-ov_ep

History

Ezequiel Garcia 10ff3c8e14 jpeg: Fixup frames without an EOI marker

Some cameras fail to send an end-of-image marker (EOI)
and can't be properly decoded by either JPEG or libjpeg.

This commit parses the frame, making sure it has an EOI.
If there isn't one, the EOI gets added to the buffer.

A similar fixup is done in the rtpjpegdepay element,
and it makes sense to do it in jpegdec as well.

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>

https://bugzilla.gnome.org/show_bug.cgi?id=791988

2017-12-27 19:39:39 +01:00

gstjpeg.c

Fix FSF address

2012-11-04 00:07:18 +00:00

gstjpeg.h

Fix FSF address

2012-11-04 00:07:18 +00:00

gstjpegdec.c

jpeg: Fixup frames without an EOI marker

2017-12-27 19:39:39 +01:00

gstjpegdec.h

jpegdec: Use base class error handling function instead of replicating it here

2013-07-25 14:26:37 +02:00

gstjpegenc.c

jpegenc: Update output caps on input caps change

2017-11-24 16:54:09 +11:00

gstjpegenc.h

jpegenc: Update output caps on input caps change

2017-11-24 16:54:09 +11:00

gstsmokedec.c

good: use new gst_element_class_add_static_pad_template()

2016-03-24 14:32:20 +02:00

gstsmokedec.h

Fix FSF address

2012-11-04 00:07:18 +00:00

gstsmokeenc.c

good: use new gst_element_class_add_static_pad_template()

2016-03-24 14:32:20 +02:00

gstsmokeenc.h

Fix FSF address

2012-11-04 00:07:18 +00:00

Makefile.am

Remove plugin specific static build option

2017-05-16 14:41:19 -04:00

meson.build

Add support for Meson as alternative/parallel build system

2016-08-20 11:21:12 +01:00

README

ext/jpeg/: Added a new simple jpeg based codec

2004-06-08 11:47:35 +00:00

smokecodec.c

Fix FSF address

2012-11-04 00:07:18 +00:00

smokecodec.h

Fix FSF address

2012-11-04 00:07:18 +00:00

smokeformat.h

Fix FSF address

2012-11-04 00:07:18 +00:00

README

The Smoke Codec
---------------

This is a very simple compression algorithm I was toying with when doing a
Java based player. Decoding a JPEG in Java has acceptable speed so this codec
tries to exploit that feature. The algorithm first compares the last and the 
new image and finds all 16x16 blocks that have a squared difference bigger than
a configurable threshold. Then all these blocks are compressed into an NxM JPEG.
The quality of the JPEG is inversely proportional to the number of blocks, this
way, the picture quality degrades with heavy motion scenes but the bitrate stays
more or less constant.
Decoding decompresses the JPEG and then updates the old picture with the new
blocks.


TODO:
----
- make format extensible
- motion vectors
- do some real bitrate control