@@ -1949,8 +1949,8 @@ loop_end:

         ost->stream_copy               = 0;

         ost->attachment_filename       = o->attachments[i];

         ost->finished                  = 1;

-        ost->st->codec->extradata      = attachment;

-        ost->st->codec->extradata_size = len;

+        ost->enc_ctx->extradata      = attachment;

+        ost->enc_ctx->extradata_size = len;

         p = strrchr(o->attachments[i], '/');

         av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);