Merge commit '70762508'

* commit '70762508':
  lavc: Prettify printing of codec tags containing non alphanumeric characters
  h264: Rename the jpeg_420 pixfmt list to match the common naming structure

Conflicts:
	libavcodec/h264.c
	libavcodec/utils.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/utils.c

@@ -2161,14 +2161,14 @@ size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_ta
 {
     int i, len, ret = 0;
 
-#define IS_PRINT(x)                                               \
+#define TAG_PRINT(x)                                              \
     (((x) >= '0' && (x) <= '9') ||                                \
      ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z') ||  \
      ((x) == '.' || (x) == ' ' || (x) == '-' || (x) == '_'))
 
     for (i = 0; i < 4; i++) {
         len = snprintf(buf, buf_size,
-                       IS_PRINT(codec_tag&0xFF) ? "%c" : "[%d]", codec_tag&0xFF);
+                       TAG_PRINT(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
         buf        += len;
         buf_size    = buf_size > len ? buf_size - len : 0;
         ret        += len;