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2020-08-30libavcodec/jpeg2000: fix tag tree resetGautam Ramakrishnan
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>
2020-08-30libavcodec/j2kenc: Support for multiple layersGautam Ramakrishnan
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>
2015-06-30lavc/j2kenc: Make jp2 output compatible with Kakadu.Carl Eugen Hoyos
Fixes ticket #4689.
2015-06-20avcodec/jpeg2000dwt: Fix order of operations in integer decomposition waveletsMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-06-19avcodec/j2kenc: Use JP2 format by defaultMichael Niedermayer
Without the JP2 fields its not possible to identify the colorspace Fixes Ticket538 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-06-17avcodec/j2kenc: Properly flush the end of the truncated AC streamMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-06-09avcodec/jpeg2000dec: Fix some 5/3 bitexactness issuesMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-03-19avformat/avienc: Fix wrongly placed commentMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-12-02tests: Add vsynth2 which uses the new reference.pnmMichael Niedermayer
The file is already present in git and by using it we can perform more tests without the need of fate samples Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-12-02tests: Rename vsynth2 to vsynth_lenaMichael Niedermayer
This avoids confusion with a growing number of vsynth tests Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-05-19Set dwSuggestBufferSize to largest chunk size for every stream in avi.Carl Eugen Hoyos
Fixes playback with WMP 9 for files with large (rawvideo) frames as explained in ticket #2145. Fixes ticket #2818.
2013-05-31j2k/jpeg2000dec: mergeMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>