diff --git a/plugins/liboggedit/oggedit.h b/plugins/liboggedit/oggedit.h
old mode 100644
new mode 100755
index 2792696b88..b17dd08520
--- a/plugins/liboggedit/oggedit.h
+++ b/plugins/liboggedit/oggedit.h
@@ -63,7 +63,7 @@
 #define OGGEDIT_WRITE_ERROR -14
 /* Failed to flush pages from a stream, fatal Ogg internal error */
 #define OGGEDIT_FLUSH_FAILED -15
-/* Renaming tewmporary file failed (usually sticky bit or directory permissions) */
+/* Renaming temporary file failed (usually sticky bit or directory permissions) */
 #define OGGEDIT_RENAME_FAILED -16
 /* Image file length not acceptable */
 #define OGGEDIT_BAD_FILE_LENGTH -100
@@ -71,14 +71,14 @@
 #define OGGEDIT_CANT_READ_IMAGE_FILE -101
 
 /* oggedit_utils.c */
-uint8_t *oggedit_vorbis_channel_map(const int channel_count);
+uint8_t *oggedit_vorbis_channel_map(const unsigned channel_count);
 
 // map deadbeef key to vorbiscomment key
 // NOTE: this function may modify the key value, e.g. when upper-casing
 const char *oggedit_map_tag(char *key, const char *in_or_out);
 
 /* oggedit_art.c */
-const char *oggedit_album_art_type(const int type);
+const char *oggedit_album_art_type(const uint32_t type);
 char *oggedit_album_art_tag(DB_FILE *fp, int *res);
 
 /* oggedit_flac.c */
@@ -92,6 +92,6 @@ off_t oggedit_write_vorbis_metadata(DB_FILE *in, const char *fname, const off_t
 /* oggedit_opus.c */
 int oggedit_write_opus_file(DB_FILE *in, const char *outname, const off_t offset, const bool all_streams);
 off_t oggedit_opus_stream_info(DB_FILE *in, const off_t start_offset, const off_t end_offset, char **codecs);
-off_t oggedit_write_opus_metadata(DB_FILE *in, const char *fname, const off_t offset, const size_t stream_size, const int output_gain, const int num_tags, char **tags);
+off_t oggedit_write_opus_metadata(DB_FILE *in, const char *fname, const off_t offset, const off_t stream_size, const int output_gain, const uint32_t num_tags, char **tags);
 
 #endif /* __OGGEDIT_H */
diff --git a/plugins/liboggedit/oggedit_art.c b/plugins/liboggedit/oggedit_art.c
old mode 100644
new mode 100755
index 79b1e78ef3..5d9f1086ae
--- a/plugins/liboggedit/oggedit_art.c
+++ b/plugins/liboggedit/oggedit_art.c
@@ -31,7 +31,7 @@
 #include <string.h>
 #include "oggedit_internal.h"
 
-const char *oggedit_album_art_type(const int type)
+const char *oggedit_album_art_type(const uint32_t type)
 {
     switch (type) {
         case 1:
diff --git a/plugins/liboggedit/oggedit_internal.c b/plugins/liboggedit/oggedit_internal.c
old mode 100644
new mode 100755
index a7a6acdae5..8c3f173805
--- a/plugins/liboggedit/oggedit_internal.c
+++ b/plugins/liboggedit/oggedit_internal.c
@@ -47,10 +47,16 @@ static char *cat_string(char *dest, const char *src, const char *sep)
     return strcat(strcat(more, sep), src);
 }
 
+static int64_t int32_to_unsigned(int32_t value)
+{
+    /* Represent a 32-bit numeric field as a positive signed integer, maintaining order */
+    return value < 0 ? value + UINT32_MAX + 1 : value;
+}
+
 static const char *codec_name(ogg_page *og)
 {
     typedef struct {
-        const size_t length;
+        const unsigned length;
         const char *codec;
         const char *magic;
     } codec_t;
@@ -80,7 +86,7 @@ static const char *codec_name(ogg_page *og)
     };
 
     for (const codec_t *match = codecs; match->codec; match++)
-        if ((size_t)og->body_len >= match->length && !memcmp(og->body, match->magic, strlen(match->codec)))
+        if (og->body_len >= match->length && !memcmp(og->body, match->magic, strlen(match->codec)))
             return match->codec;
 
     return "unknown";
@@ -109,7 +115,7 @@ static bool ensure_directory(const char *path)
 {
     struct stat stat_struct;
     if (!stat(path, &stat_struct))
-        return !S_ISDIR(stat_struct.st_mode);
+        return S_ISDIR(stat_struct.st_mode);
 
     if (errno != ENOENT)
         return false;
@@ -118,10 +124,10 @@ static bool ensure_directory(const char *path)
     if (!dir)
         return false;
 
-    const int bad_dir = ensure_directory(dirname(dir));
+    const int is_dir = ensure_directory(dirname(dir));
     free(dir);
 
-    return !bad_dir && !mkdir(path, 0777);
+    return is_dir && !mkdir(path, 0755);
 }
 
 FILE *open_new_file(const char *outname)
@@ -173,6 +179,11 @@ void cleanup(DB_FILE *in, FILE *out, ogg_sync_state *oy, void *buffer)
         free(buffer);
 }
 
+static bool is_data_page(ogg_page *og, int64_t codec_serial, int64_t serial)
+{
+    return ogg_page_granulepos(og) != 0 && serial == codec_serial;
+}
+
 static int64_t get_page(DB_FILE *in, ogg_sync_state *oy, ogg_page *og)
 {
     uint16_t chunks_left = MAXPAGE / CHUNKSIZE;
@@ -188,7 +199,7 @@ static int64_t get_page(DB_FILE *in, ogg_sync_state *oy, ogg_page *og)
         ogg_sync_wrote(oy, bytes);
     }
 
-    return ogg_page_serialno(og) + UINT32_MAX + 1;
+    return int32_to_unsigned(ogg_page_serialno(og));
 }
 
 static int64_t skip_to_bos(DB_FILE *in, ogg_sync_state *oy, ogg_page *og, const off_t offset)
@@ -271,7 +282,7 @@ int64_t copy_up_to_header(DB_FILE *in, FILE *out, ogg_sync_state *oy, ogg_page *
     return serial;
 }
 
-long flush_stream(FILE *out, ogg_stream_state *os)
+int64_t flush_stream(FILE *out, ogg_stream_state *os)
 {
     ogg_page og;
 #ifdef HAVE_OGG_STREAM_FLUSH_FILL
@@ -282,7 +293,7 @@ long flush_stream(FILE *out, ogg_stream_state *os)
         if (!write_page(out, &og))
             return OGGEDIT_WRITE_ERROR;
 
-    const long pageno = ogg_stream_check(os) ? OGGEDIT_FLUSH_FAILED : ogg_page_pageno(&og);
+    const int64_t pageno = ogg_stream_check(os) ? OGGEDIT_FLUSH_FAILED : int32_to_unsigned(ogg_page_pageno(&og));
     ogg_stream_clear(os);
     return pageno;
 }
@@ -321,7 +332,7 @@ off_t codec_stream_size(DB_FILE *in, ogg_sync_state *oy, const off_t start_offse
     }
 
     /* Skip to the first codec data page */
-    while (serial > OGGEDIT_EOF && !(ogg_page_granulepos(&og) > 0 && serial == codec_serial))
+    while (serial > OGGEDIT_EOF && !is_data_page(&og, codec_serial, serial))
         serial = get_page(in, oy,  &og);
     if (serial <= OGGEDIT_EOF)
         return serial;
@@ -383,14 +394,14 @@ int64_t init_read_stream(DB_FILE *in, ogg_sync_state *oy, ogg_stream_state *os,
     return OGGEDIT_OK;
 }
 
-int read_packet(DB_FILE *in, ogg_sync_state *oy, ogg_stream_state *os, ogg_page *og, ogg_packet *header, int pages)
+int64_t read_packet(DB_FILE *in, ogg_sync_state *oy, ogg_stream_state *os, ogg_page *og, ogg_packet *header, int64_t pages)
 {
     ogg_packet op;
     do {
         while (ogg_stream_packetpeek(os, NULL) == 0) {
             const int64_t serial = get_page(in, oy, og);
             if (serial <= OGGEDIT_EOF) {
-                return (int)serial;
+                return serial;
             }
             if ((uint32_t)os->serialno == (uint32_t)serial) {
                 pages++;
@@ -463,7 +474,7 @@ int64_t copy_remaining_pages(DB_FILE *in, FILE *out, ogg_sync_state *oy, const i
     int64_t serial;
     do
         serial = get_page(in, oy, &og);
-    while (serial > OGGEDIT_EOF && serial == codec_serial && ogg_page_granulepos(&og) <= 0);
+    while (serial > OGGEDIT_EOF && is_data_page(&og, codec_serial, serial));
     if (serial <= OGGEDIT_EOF)
         return serial;
 
diff --git a/plugins/liboggedit/oggedit_internal.h b/plugins/liboggedit/oggedit_internal.h
old mode 100644
new mode 100755
index 011ef70421..fb45d854ee
--- a/plugins/liboggedit/oggedit_internal.h
+++ b/plugins/liboggedit/oggedit_internal.h
@@ -50,12 +50,12 @@ off_t file_size(const char *fname);
 void cleanup(DB_FILE *in, FILE *out, ogg_sync_state *oy, void *buffer);
 int64_t copy_up_to_codec(DB_FILE *in, FILE *out, ogg_sync_state *oy, ogg_page *og, const off_t start_offset, const off_t link_offset, const char *codec);
 int64_t copy_up_to_header(DB_FILE *in, FILE *out, ogg_sync_state *oy, ogg_page *og, const int64_t codec_serial);
-long flush_stream(FILE *out, ogg_stream_state *os);
+int64_t flush_stream(FILE *out, ogg_stream_state *os);
 char *codec_names(DB_FILE *in, ogg_sync_state *oy, const off_t link_offset);
 off_t codec_stream_size(DB_FILE *in, ogg_sync_state *oy, const off_t start_offset, const off_t end_offset, const char *codec);
 char *parse_vendor(const ogg_packet *op, const size_t magic_length);
 int64_t init_read_stream(DB_FILE *in, ogg_sync_state *oy, ogg_stream_state *os, ogg_page *og, const off_t offset, const char *codec);
-int read_packet(DB_FILE *in, ogg_sync_state *oy, ogg_stream_state *os, ogg_page *og, ogg_packet *header, int pages);
+int64_t read_packet(DB_FILE *in, ogg_sync_state *oy, ogg_stream_state *os, ogg_page *og, ogg_packet *header, int64_t pages);
 ogg_packet *fill_vc_packet(const char *magic, const size_t magic_length, const char *vendor, const size_t num_tags, char **tags, const bool framing, const size_t padding, ogg_packet *op);
 size_t vc_size(const char *vendor, size_t num_tags, char **tags);
 int64_t copy_remaining_pages(DB_FILE *in, FILE *out, ogg_sync_state *oy, const int64_t codec_serial, uint32_t pageno);
diff --git a/plugins/liboggedit/oggedit_opus.c b/plugins/liboggedit/oggedit_opus.c
old mode 100644
new mode 100755
index bdf461240b..06cda5662b
--- a/plugins/liboggedit/oggedit_opus.c
+++ b/plugins/liboggedit/oggedit_opus.c
@@ -63,12 +63,12 @@ off_t oggedit_opus_stream_info(DB_FILE *in, const off_t start_offset, const off_
     ogg_sync_state oy;
     ogg_sync_init(&oy);
     *codecs = codec_names(in, &oy, start_offset);
-    const int64_t stream_size = codec_stream_size(in, &oy, start_offset, end_offset, OPUSNAME);
+    const off_t stream_size = codec_stream_size(in, &oy, start_offset, end_offset, OPUSNAME);
     cleanup(in, NULL, &oy, NULL);
     return stream_size;
 }
 
-static ptrdiff_t check_opus_header(DB_FILE *in, ogg_sync_state *oy, const off_t offset, char **vendor)
+static long check_opus_header(DB_FILE *in, ogg_sync_state *oy, const off_t offset, char **vendor)
 {
     ogg_stream_state os;
     ogg_page og;
@@ -77,7 +77,7 @@ static ptrdiff_t check_opus_header(DB_FILE *in, ogg_sync_state *oy, const off_t
         return serial;
 
     ogg_packet op;
-    const int pages = read_packet(in, oy, &os, &og, &op, 1);
+    const long pages = read_packet(in, oy, &os, &og, &op, 1);
     ogg_stream_clear(&os);
     if (pages <= OGGEDIT_EOF)
         return pages;
@@ -98,7 +98,7 @@ static ptrdiff_t check_opus_header(DB_FILE *in, ogg_sync_state *oy, const off_t
     return op.bytes;
 }
 
-static long write_opus_tags(FILE *out, const int64_t serial, const char *vendor, const size_t num_tags, char **tags, const size_t padding)
+static int64_t write_opus_tags(FILE *out, const int64_t serial, const char *vendor, const uint32_t num_tags, char **tags, const size_t padding)
 {
     ogg_packet op;
     if (!fill_vc_packet(TAGMAGIC, strlen(TAGMAGIC), vendor, num_tags, tags, false, padding, &op))
@@ -115,7 +115,7 @@ static long write_opus_tags(FILE *out, const int64_t serial, const char *vendor,
     return flush_stream(out, &os);
 }
 
-off_t oggedit_write_opus_metadata(DB_FILE *in, const char *fname, const off_t offset, const size_t stream_size, const int output_gain, const int num_tags, char **tags)
+off_t oggedit_write_opus_metadata(DB_FILE *in, const char *fname, const off_t offset, const off_t stream_size, const int output_gain, const uint32_t num_tags, char **tags)
 {
     off_t res;
     char tempname[PATH_MAX] = "";
@@ -131,15 +131,15 @@ off_t oggedit_write_opus_metadata(DB_FILE *in, const char *fname, const off_t of
     }
 
     /* Should we write the tags packet directly into the existing file ... */
-    const ptrdiff_t tags_packet_size = check_opus_header(in, &oy, offset, &vendor);
+    const long tags_packet_size = check_opus_header(in, &oy, offset, &vendor);
     if (tags_packet_size <= OGGEDIT_EOF) {
         res = tags_packet_size;
         goto cleanup;
     }
     const size_t metadata_size = strlen(TAGMAGIC) + vc_size(vendor, num_tags, tags);
-    ptrdiff_t padding = tags_packet_size - metadata_size;
+    size_t padding = tags_packet_size - metadata_size;
     const off_t file_size_k = in->vfs->getlength(in) / 1000;
-    const size_t stream_size_k = stream_size ? stream_size / 1000 : file_size_k;
+    const off_t stream_size_k = stream_size ? stream_size / 1000 : file_size_k;
     if (file_size_k < 100 || padding < 0 || padding > file_size_k/10+stream_size_k+metadata_size) {
         res = open_temp_file(fname, tempname, &out);
         if (res) {
@@ -168,7 +168,7 @@ off_t oggedit_write_opus_metadata(DB_FILE *in, const char *fname, const off_t of
         res = opus_serial;
         goto cleanup;
     }
-    const long pageno = write_opus_tags(out, opus_serial, vendor, num_tags, tags, (size_t)padding);
+    const int64_t pageno = write_opus_tags(out, opus_serial, vendor, num_tags, tags, padding);
     if (pageno < OGGEDIT_EOF) {
         res = pageno;
         goto cleanup;
diff --git a/plugins/liboggedit/oggedit_utils.c b/plugins/liboggedit/oggedit_utils.c
old mode 100644
new mode 100755
index e01d8294fc..c77e30982b
--- a/plugins/liboggedit/oggedit_utils.c
+++ b/plugins/liboggedit/oggedit_utils.c
@@ -33,9 +33,9 @@
 #include <ctype.h>
 #include "oggedit_internal.h"
 
-uint8_t *oggedit_vorbis_channel_map(const int channel_count)
+uint8_t *oggedit_vorbis_channel_map(const unsigned channel_count)
 {
-    size_t map_size = channel_count * sizeof(uint8_t);
+    unsigned map_size = channel_count * sizeof(uint8_t);
     uint8_t *map = malloc(map_size);
     if (!map)
         return NULL;
@@ -121,7 +121,7 @@ const char *oggedit_map_tag(char *key, const char *in_or_out)
 
     /* Upper-case all Vorbis Comment tag names */
     if (*in_or_out == 'm')
-        for (size_t i = 0; key[i]; i++)
+        for (unsigned i = 0; key[i]; i++)
             key[i] = toupper(key[i]);
 
     return key;