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Commit Graph

10 Commits

Author SHA1 Message Date
Gautam Ramakrishnan
341064d68a libavcodec/jpeg2000: fix tag tree reset
The implementation of the tag tree did not
set the correct reset value for the encoder.
This lead to inefficent tag tree being encoded.
This patch fixes the implementation of the
ff_tag_tree_zero() function.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-08-30 16:18:37 +02:00
Gautam Ramakrishnan
f0e33119e4 libavcodec/j2kenc: Support for multiple layers
This patch allows setting a compression ratio and to
set multiple layers. The user has to input a compression
ratio for each layer.
The per layer compression ration can be set as follows:
-layer_rates "r1,r2,...rn"
for to create 'n' layers.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-08-30 16:18:37 +02:00
Carl Eugen Hoyos
0f5b996531 lavc/j2kenc: Make jp2 output compatible with Kakadu.
Fixes ticket #4689.
2015-06-30 15:00:38 +02:00
Michael Niedermayer
75651cd63f avcodec/jpeg2000dwt: Fix order of operations in integer decomposition wavelets
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-06-20 00:53:56 +02:00
Michael Niedermayer
7e2bdea764 avcodec/j2kenc: Use JP2 format by default
Without the JP2 fields its not possible to identify the colorspace

Fixes Ticket538

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-06-19 21:56:57 +02:00
Michael Niedermayer
4624656797 avcodec/j2kenc: Properly flush the end of the truncated AC stream
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-06-17 20:39:03 +02:00
Michael Niedermayer
7c9fcdfabd avcodec/jpeg2000dec: Fix some 5/3 bitexactness issues
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-06-09 02:17:53 +02:00
Michael Niedermayer
adfde9a646 avformat/avienc: Fix wrongly placed comment
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-03-19 17:30:28 +01:00
Carl Eugen Hoyos
e705d0ce1c Set dwSuggestBufferSize to largest chunk size for every stream in avi.
Fixes playback with WMP 9 for files with large (rawvideo) frames
as explained in ticket #2145.

Fixes ticket #2818.
2014-05-19 00:05:40 +02:00
Michael Niedermayer
9d56ccf5af j2k/jpeg2000dec: merge
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-05-31 03:10:08 +02:00