lavc/exif: Make EXIF IFD decoding part of private API/ABI.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/exif.c

@@ -80,7 +80,7 @@ static int exif_decode_tag(AVCodecContext *avctx, GetByteContext *gbytes, int le
     // store metadata or proceed with next IFD
     ret = ff_tis_ifd(id);
     if (ret) {
-        ret = ff_exif_decode_ifd(avctx, gbytes, le, depth + 1, metadata);
+        ret = avpriv_exif_decode_ifd(avctx, gbytes, le, depth + 1, metadata);
     } else {
         const char *name = exif_get_tag_name(id);
         char *use_name   = (char*) name;
@@ -107,7 +107,7 @@ static int exif_decode_tag(AVCodecContext *avctx, GetByteContext *gbytes, int le
 }
 
 
-int ff_exif_decode_ifd(AVCodecContext *avctx, GetByteContext *gbytes, int le,
+int avpriv_exif_decode_ifd(AVCodecContext *avctx, GetByteContext *gbytes, int le,
                        int depth, AVDictionary **metadata)
 {
     int i, ret;

libavcodec/exif.h

@@ -164,7 +164,7 @@ static const struct exif_tag tag_list[] = { // JEITA CP-3451 EXIF specification:
 
 /** Recursively decodes all IFD's and
  *  adds included TAGS into the metadata dictionary. */
-int ff_exif_decode_ifd(AVCodecContext *avctx, GetByteContext *gbytes, int le,
+int avpriv_exif_decode_ifd(AVCodecContext *avctx, GetByteContext *gbytes, int le,
                        int depth, AVDictionary **metadata);
 
 #endif /* AVCODEC_EXIF_H */

libavcodec/mjpegdec.c

@@ -1672,7 +1672,7 @@ static int mjpeg_decode_app(MJpegDecodeContext *s)
 
         // read 0th IFD and store the metadata
         // (return values > 0 indicate the presence of subimage metadata)
-        ret = ff_exif_decode_ifd(s->avctx, &gbytes, le, 0, &s->exif_metadata);
+        ret = avpriv_exif_decode_ifd(s->avctx, &gbytes, le, 0, &s->exif_metadata);
         if (ret < 0) {
             av_log(s->avctx, AV_LOG_ERROR, "mjpeg: error decoding EXIF data\n");
             return ret;

libavcodec/version.h

@@ -29,8 +29,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 55
-#define LIBAVCODEC_VERSION_MINOR  56
-#define LIBAVCODEC_VERSION_MICRO 108
+#define LIBAVCODEC_VERSION_MINOR  57
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \

libavcodec/webp.c

@@ -1449,7 +1449,7 @@ static int webp_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
             }
 
             bytestream2_seek(&exif_gb, ifd_offset, SEEK_SET);
-            if (ff_exif_decode_ifd(avctx, &exif_gb, le, 0, &s->exif_metadata) < 0) {
+            if (avpriv_exif_decode_ifd(avctx, &exif_gb, le, 0, &s->exif_metadata) < 0) {
                 av_log(avctx, AV_LOG_ERROR, "error decoding Exif data\n");
                 goto exif_end;
             }