[FFmpeg-cvslog] sws: document color range >8bit oddity

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed May 21 21:29:33 2014 +0200| [ce4d91ba2a974addb53f4d649e50dbacc934db83] | committer: Michael Niedermayer

sws: document color range >8bit oddity

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ce4d91ba2a974addb53f4d649e50dbacc934db83
---

 libswscale/utils.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/libswscale/utils.c b/libswscale/utils.c
index 29c5711..92b2ac4 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1004,6 +1004,8 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
     c->srcRange   = srcRange;
     c->dstRange   = dstRange;
 
+    //The srcBpc check is possibly wrong but we seem to lack a definitive reference to test this
+    //and what we have in ticket 2939 looks better with this check
     if (need_reinit && c->srcBpc == 8)
         ff_sws_init_range_convert(c);