avcodec/jpegls: rename SOF48 to SOF55

SOF48 (0xf0) was used in a public draft of the standard (FCD 14495).
In the final specification it is called SOF55 (0xf7).

libavcodec/jpeglsenc.c

@@ -373,7 +373,7 @@ static int encode_picture_ls(AVCodecContext *avctx, AVPacket *pkt,
 
     /* write our own JPEG header, can't use mjpeg_picture_header */
     put_marker_byteu(&pb, SOI);
-    put_marker_byteu(&pb, SOF48);
+    put_marker_byteu(&pb, SOF55);
     bytestream2_put_be16u(&pb, 8 + comps * 3); // header size depends on components
     bytestream2_put_byteu(&pb, (avctx->pix_fmt == AV_PIX_FMT_GRAY16) ? 16 : 8);  // bpp
     bytestream2_put_be16u(&pb, avctx->height);

libavcodec/mjpeg.h

@@ -100,7 +100,7 @@ enum JpegMarker {
     JPG4  = 0xf4,
     JPG5  = 0xf5,
     JPG6  = 0xf6,
-    SOF48 = 0xf7,       ///< JPEG-LS
+    SOF55 = 0xf7,       ///< JPEG-LS
     LSE   = 0xf8,       ///< JPEG-LS extension parameters
     JPG9  = 0xf9,
     JPG10 = 0xfa,

libavcodec/mjpegdec.c

@@ -2431,7 +2431,7 @@ redo_for_pal8:
         ret = -1;
 
         if (!CONFIG_JPEGLS_DECODER &&
-            (start_code == SOF48 || start_code == LSE)) {
+            (start_code == SOF55 || start_code == LSE)) {
             av_log(avctx, AV_LOG_ERROR, "JPEG-LS support not enabled.\n");
             return AVERROR(ENOSYS);
         }
@@ -2442,7 +2442,7 @@ redo_for_pal8:
             case SOF1:
             case SOF2:
             case SOF3:
-            case SOF48:
+            case SOF55:
                 break;
             default:
                 goto skip;
@@ -2496,7 +2496,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
             if ((ret = ff_mjpeg_decode_sof(s)) < 0)
                 goto fail;
             break;
-        case SOF48:
+        case SOF55:
             avctx->profile     = AV_PROFILE_MJPEG_JPEG_LS;
 #if FF_API_CODEC_PROPS
 FF_DISABLE_DEPRECATION_WARNINGS
@@ -2591,7 +2591,7 @@ eoi_parser:
             case SOF1:
             case SOF2:
             case SOF3:
-            case SOF48:
+            case SOF55:
                 s->got_picture = 0;
                 goto the_end_no_picture;
             }