[FFmpeg-cvslog] avcodec/jpeg2000dec: Handle format that has planes matching YUVA420P structure but seems not to be that
Michael Niedermayer
git at videolan.org
Sun Jun 14 13:01:57 CEST 2015
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Jun 14 04:45:02 2015 +0200| [ad072a134fc02a1387107710acbdf29d21c8abc5] | committer: Michael Niedermayer
avcodec/jpeg2000dec: Handle format that has planes matching YUVA420P structure but seems not to be that
Outputs something for p0_05.j2k
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ad072a134fc02a1387107710acbdf29d21c8abc5
---
libavcodec/jpeg2000dec.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index a11033e..21cc67d 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -352,6 +352,24 @@ static int get_siz(Jpeg2000DecoderContext *s)
break;
}
}
+
+ if (i == possible_fmts_nb) {
+ if (ncomponents == 4 &&
+ s->cdy[0] == 1 && s->cdx[0] == 1 &&
+ s->cdy[1] == 1 && s->cdx[1] == 1 &&
+ s->cdy[2] == s->cdy[3] && s->cdx[2] == s->cdx[3]) {
+ if (s->precision == 8 && s->cdy[2] == 2 && s->cdx[2] == 2 && !s->pal8) {
+ s->avctx->pix_fmt = AV_PIX_FMT_YUVA420P;
+ s->cdef[0] = 0;
+ s->cdef[1] = 1;
+ s->cdef[2] = 2;
+ s->cdef[3] = 3;
+ i = 0;
+ }
+ }
+ }
+
+
if (i == possible_fmts_nb) {
av_log(s->avctx, AV_LOG_ERROR,
"Unknown pix_fmt, profile: %d, colour_space: %d, "
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