Implement sws_printVec2() and deprecate sws_printVec().

Originally committed as revision 28566 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

libswscale/swscale.c

@@ -3068,7 +3068,7 @@ SwsVector *sws_cloneVec(SwsVector *a){
     return vec;
 }
 
-void sws_printVec(SwsVector *a){
+void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level){
     int i;
     double max=0;
     double min=0;
@@ -3085,12 +3085,18 @@ void sws_printVec(SwsVector *a){
     for (i=0; i<a->length; i++)
     {
         int x= (int)((a->coeff[i]-min)*60.0/range +0.5);
-        av_log(NULL, AV_LOG_DEBUG, "%1.3f ", a->coeff[i]);
-        for (;x>0; x--) av_log(NULL, AV_LOG_DEBUG, " ");
-        av_log(NULL, AV_LOG_DEBUG, "|\n");
+        av_log(log_ctx, log_level, "%1.3f ", a->coeff[i]);
+        for (;x>0; x--) av_log(log_ctx, log_level, " ");
+        av_log(log_ctx, log_level, "|\n");
     }
 }
 
+#if LIBSWSCALE_VERSION_MAJOR < 1
+void sws_printVec(SwsVector *a){
+    sws_printVec2(a, NULL, AV_LOG_DEBUG);
+}
+#endif
+
 void sws_freeVec(SwsVector *a){
     if (!a) return;
     av_freep(&a->coeff);

libswscale/swscale.h

@@ -30,8 +30,8 @@
 #include "libavutil/avutil.h"
 
 #define LIBSWSCALE_VERSION_MAJOR 0
-#define LIBSWSCALE_VERSION_MINOR 6
-#define LIBSWSCALE_VERSION_MICRO 2
+#define LIBSWSCALE_VERSION_MINOR 7
+#define LIBSWSCALE_VERSION_MICRO 0
 
 #define LIBSWSCALE_VERSION_INT  AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \
                                                LIBSWSCALE_VERSION_MINOR, \
@@ -182,7 +182,19 @@ void sws_shiftVec(SwsVector *a, int shift);
  */
 SwsVector *sws_cloneVec(SwsVector *a);
 
-void sws_printVec(SwsVector *a);
+#if LIBSWSCALE_VERSION_MAJOR < 1
+/**
+ * @deprecated Use sws_printVec2() instead.
+ */
+attribute_deprecated void sws_printVec(SwsVector *a);
+#endif
+
+/**
+ * Prints with av_log() a textual representation of the vector \p a
+ * if \p log_level <= av_log_level.
+ */
+void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level);
+
 void sws_freeVec(SwsVector *a);
 
 SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,