[FFmpeg-cvslog] swscale: rename sws_context_class to ff_sws_context_class

[Andreas Cadhalpun]

ffmpeg | branch: master | Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com> | Tue Oct 27 22:56:53 2015 +0100| [8bfbc8c5e504ef3ae914499646d450987b419385] | committer: Andreas Cadhalpun

swscale: rename sws_context_class to ff_sws_context_class

It is an internal swscale symbol and thus should not be exported.

Reviewed-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8bfbc8c5e504ef3ae914499646d450987b419385
---

 libswscale/options.c          |    4 ++--
 libswscale/swscale_internal.h |    2 +-
 libswscale/utils.c            |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libswscale/options.c b/libswscale/options.c
index cf793ef..e666e5a 100644
--- a/libswscale/options.c
+++ b/libswscale/options.c
@@ -84,7 +84,7 @@ static const AVOption swscale_options[] = {
     { NULL }
 };
 
-const AVClass sws_context_class = {
+const AVClass ff_sws_context_class = {
     .class_name = "SWScaler",
     .item_name  = sws_context_to_name,
     .option     = swscale_options,
@@ -94,5 +94,5 @@ const AVClass sws_context_class = {
 
 const AVClass *sws_get_class(void)
 {
-    return &sws_context_class;
+    return &ff_sws_context_class;
 }
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 27a40af..a53fdc4 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -866,7 +866,7 @@ extern const uint8_t ff_dither_8x8_220[9][8];
 
 extern const int32_t ff_yuv2rgb_coeffs[8][4];
 
-extern const AVClass sws_context_class;
+extern const AVClass ff_sws_context_class;
 
 /**
  * Set c->swscale to an unscaled converter if one exists for the specific
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 651b07a..037683c 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1030,7 +1030,7 @@ SwsContext *sws_alloc_context(void)
     av_assert0(offsetof(SwsContext, redDither) + DITHER32_INT == offsetof(SwsContext, dither32));
 
     if (c) {
-        c->av_class = &sws_context_class;
+        c->av_class = &ff_sws_context_class;
         av_opt_set_defaults(c);
     }