[FFmpeg-cvslog] avcodec/jpeg2000dec: Print warning for "Selective arithmetic coding bypass "

Michael Niedermayer git at videolan.org
Thu Jun 11 23:06:00 CEST 2015


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Jun 11 22:33:53 2015 +0200| [2f1dd4a3d11200cd25b38fa18c1a4be67f6a6aec] | committer: Michael Niedermayer

avcodec/jpeg2000dec: Print warning for "Selective arithmetic coding bypass"

This is implemented but i suspect does not work correctly as no file using this
seems to decode correctly.

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2f1dd4a3d11200cd25b38fa18c1a4be67f6a6aec
---

 libavcodec/jpeg2000dec.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index 026b930..6f4bd19 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -411,6 +411,8 @@ static int get_cox(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c)
     c->cblk_style = bytestream2_get_byteu(&s->g);
     if (c->cblk_style != 0) { // cblk style
         av_log(s->avctx, AV_LOG_WARNING, "extra cblk styles %X\n", c->cblk_style);
+        if (c->cblk_style & JPEG2000_CBLK_BYPASS)
+            av_log(s->avctx, AV_LOG_WARNING, "Selective arithmetic coding bypass\n");
     }
     c->transform = bytestream2_get_byteu(&s->g); // DWT transformation type
     /* set integer 9/7 DWT in case of BITEXACT flag */



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