looks like there is a bug in commit
1a08758e7c relating to the handling of
ptr in decode_frame after decode_block is called, before this commit
ptr would have been incremented for each line in the data window, now
after the commit it is left at the start of the first included line
rather than the line after the data window then the code sets the
remaining lines to 0 and thus the whole image is over written.
Fix by adjusting ptr to the correct line after decode_block returns
Signed-off-by: Kevin Wheatley <kevin.j.wheatley@gmail.com>
uint32 need 4 bytes not 1.
Fix decoding when there is half/float and uint32 channel.
This fixes crashes due to pointer corruption caused by invalid writes.
The problem was introduced in commit
03152e74df.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
channel_index can be -1.
This problem was introduced in commit
2dd7b46132.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This also disabled the case of mixed x/ymin with tiles, the code
handles these cases inconsistent for the 2 coordinate axis and is
unlikely working correctly.
Fixes crash
Fixes: poc1.exr, poc2.exr
Found-by: Yaoguang Chen of Aliapy unLimit Security Team
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
a gray channel in exr, is named Y
we admit that the file need to be interpreted as gray
only if no other channel match (except alpha)
to manage RGB and Y in the color conversion part of decode_block,
the color processing is now made with a for loop.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
fix ticket #5674
the size of data to process in piz_uncompress, is now calc
using the pixel type of each channel.
the data reorganization, alos take care about the size of
each channel
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* commit '69a68593ce5684409c3c4dd9a901bfd8b16925b1':
Remove stray line breaks from avpriv_{report_missing_feature|request_samples}
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
This macro unconditionally used out[-1], which causes an out of bounds
read, if out is the very beginning of the buffer.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This macro unconditionally used out[-1], which causes an out of bounds
read, if out is the very beginning of the buffer.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
When compiled with --disable-pthreads, e.g
http://fate.ffmpeg.org/report.cgi?time=20150917015044&slot=alpha-debian-qemu-gcc-4.7,
a bunch of -Wunused-functions are reported due to missing header guards
around threading related functions.
This patch should silence such warnings.
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Various header informations need to be reset when decoding next frame.
Regression since: 95582b5c
Fixes ticket #4597.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
