[FFmpeg-cvslog] avcodec/jpeg2000: Disable special case for JPEG2000_QSTY_SI
Michael Niedermayer
git at videolan.org
Tue Jun 9 16:45:15 CEST 2015
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Jun 9 16:30:35 2015 +0200| [44327cbc9a8c8f766e7e3f567b647b68c89d16bd] | committer: Michael Niedermayer
avcodec/jpeg2000: Disable special case for JPEG2000_QSTY_SI
The code gave apparently completely wrong values
Fixes Ticket2872
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=44327cbc9a8c8f766e7e3f567b647b68c89d16bd
---
libavcodec/jpeg2000.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c
index 770dffb..1717bc3 100644
--- a/libavcodec/jpeg2000.c
+++ b/libavcodec/jpeg2000.c
@@ -293,11 +293,11 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
break;
case JPEG2000_QSTY_SI:
/*TODO: Compute formula to implement. */
- numbps = cbps +
- lut_gain[codsty->transform == FF_DWT53][bandno + (reslevelno > 0)];
- band->f_stepsize = SHL(2048 + qntsty->mant[gbandno],
- 2 + numbps - qntsty->expn[gbandno]);
- break;
+// numbps = cbps +
+// lut_gain[codsty->transform == FF_DWT53][bandno + (reslevelno > 0)];
+// band->f_stepsize = SHL(2048 + qntsty->mant[gbandno],
+// 2 + numbps - qntsty->expn[gbandno]);
+// break;
case JPEG2000_QSTY_SE:
/* Exponent quantization step.
* Formula:
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