avcodec/packet: Accept const dictionaries in av_packet_pack_dictionary()

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

doc/APIchanges

@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2025-03-28
 
 API changes, most recent first:
 
+2026-06-23 - xxxxxxxxxx - lavc 62.37.100 - packet.h
+  av_packet_pack_dictionary() now accepts const AVDictionary*.
+
 2026-06-xx - xxxxxxxxxx - lavu 60.33.100 - frame.h
   Add AV_FRAME_DATA_RAW_COLOR_PARAMS.
 

libavcodec/packet.c

@@ -316,7 +316,7 @@ const char *av_packet_side_data_name(enum AVPacketSideDataType type)
     return NULL;
 }
 
-uint8_t *av_packet_pack_dictionary(AVDictionary *dict, size_t *size)
+uint8_t *av_packet_pack_dictionary(const AVDictionary *dict, size_t *size)
 {
     uint8_t *data = NULL;
     *size = 0;

libavcodec/packet.h

@@ -824,7 +824,7 @@ uint8_t* av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType
  * @param size pointer to store the size of the returned data
  * @return pointer to data if successful, NULL otherwise
  */
-uint8_t *av_packet_pack_dictionary(AVDictionary *dict, size_t *size);
+uint8_t *av_packet_pack_dictionary(const AVDictionary *dict, size_t *size);
 /**
  * Unpack a dictionary from side_data.
  *

libavcodec/version.h

@@ -29,8 +29,8 @@
 
 #include "version_major.h"
 
-#define LIBAVCODEC_VERSION_MINOR  36
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR  37
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \