update libmpg123

- compiled with mingw-w64 GCC 12.2
- version 1.31.1
- compared with old DLL, output results in many +-1 diffs, but is correct vs newer official binaries

cmake/dependencies/mpg123.cmake

@@ -11,16 +11,17 @@ if(NOT WIN32 AND USE_MPEG)
 			DIR mpg123
 			FETCH_PRIORITY file svn git
 			
-			FILE_DOWNLOAD https://downloads.sourceforge.net/mpg123/mpg123-1.28.2.tar.bz2
-			FILE_SUBDIR mpg123-1.28.2
+			FILE_DOWNLOAD https://downloads.sourceforge.net/mpg123/mpg123-1.31.1.tar.bz2
+			FILE_SUBDIR mpg123-1.31.1
 			
-			SVN_REPOSITORY svn://scm.orgis.org/mpg123/trunk
-			SVN_REVISION -r4968
+			# unknown current version, to be fixed
+			#SVN_REPOSITORY svn://scm.orgis.org/mpg123/trunk
+			#SVN_REVISION -r4968 ?
 			
 			# "official" git repo: https://www.mpg123.de/trunk/.git/ but *very* slow (HTTP emulation)
 			# "official" git mirror (default branch is not master), works too
 			GIT_REPOSITORY https://github.com/madebr/mpg123
-			GIT_TAG efedb989a4d300199f09757815409d3a89b8bc63
+			GIT_TAG aec901b7a636b6eb61e03a87ff3547c787e8c693
 			GIT_UNSHALLOW ON
 		)
 		

ext_includes/fmt123.h

@@ -4,7 +4,7 @@
 	separate header just for audio format definitions not tied to
 	library code
 
-	copyright 1995-2015 by the mpg123 project
+	copyright 1995-2020 by the mpg123 project
 	free software under the terms of the LGPL 2.1
 	see COPYING and AUTHORS files in distribution or http://mpg123.org
 */
@@ -99,7 +99,9 @@ enum mpg123_enc_enum
  * \return size of one sample in bytes
  */
 #define MPG123_SAMPLESIZE(enc) ( \
-	(enc) & MPG123_ENC_8 \
+	(enc) < 1 \
+	?	0 \
+	:	( (enc) & MPG123_ENC_8 \
 		?	1 \
 		:	( (enc) & MPG123_ENC_16 \
 			?	2 \
@@ -111,7 +113,29 @@ enum mpg123_enc_enum
 					:	( (enc) == MPG123_ENC_FLOAT_64 \
 						?	8 \
 						:	0 \
-)	)	)	)	)
+)	)	)	)	)	)
+
+/** Representation of zero in differing encodings.
+ *  This exists to define proper silence in various encodings without
+ *  having to link to libsyn123 to do actual conversions at runtime.
+ *  You have to handle big/little endian order yourself, though.
+ *  This takes the shortcut that any signed encoding has a zero with
+ *  all-zero bits. Unsigned linear encodings just have the highest bit set
+ *  (2^(n-1) for n bits), while the nonlinear 8-bit ones are special.
+ *  \param enc the encoding (mpg123_enc_enum value)
+ *  \param siz bytes per sample (return value of MPG123_SAMPLESIZE(enc))
+ *  \param off byte (octet) offset counted from LSB
+ *  \return unsigned byte value for the designated octet
+ */
+#define MPG123_ZEROSAMPLE(enc, siz, off) ( \
+	(enc) == MPG123_ENC_ULAW_8 \
+	?	(off == 0 ? 0xff : 0x00) \
+	:	( (enc) == MPG123_ENC_ALAW_8 \
+		?	(off == 0 ? 0xd5 : 0x00) \
+		:	( (((enc) & (MPG123_ENC_SIGNED|MPG123_ENC_FLOAT)) || (siz) != ((off)+1)) \
+			?	0x00 \
+			:	0x80 \
+	)	)	)
 
 /** Structure defining an audio format.
  *  Providing the members as individual function arguments to define a certain
@@ -129,7 +153,7 @@ struct mpg123_fmt
 	int encoding;
 };
 
-/* @} */
+/** @} */
 
 #endif
 

ext_libs/libmpg123-0.def

@@ -15,22 +15,30 @@ mpg123_decoder
 mpg123_decoders
 mpg123_delete
 mpg123_delete_pars
+mpg123_delete_string
 mpg123_enc_from_id3
+mpg123_enc_from_id3_2
 mpg123_encodings
 mpg123_encsize
 mpg123_eq
+mpg123_eq2
+mpg123_eq_bands
+mpg123_eq_change
 mpg123_errcode
 mpg123_exit
 mpg123_feature
+mpg123_feature2
 mpg123_feed
 mpg123_feedseek
 mpg123_feedseek_32
 mpg123_feedseek_64
 mpg123_fmt
+mpg123_fmt2
 mpg123_fmt_all
 mpg123_fmt_none
 mpg123_fmt_support
 mpg123_format
+mpg123_format2
 mpg123_format_all
 mpg123_format_none
 mpg123_format_support
@@ -45,22 +53,29 @@ mpg123_framelength_64
 mpg123_framepos
 mpg123_framepos_32
 mpg123_framepos_64
+mpg123_free
 mpg123_free_string
 mpg123_geteq
+mpg123_geteq2
 mpg123_getformat
 mpg123_getformat2
 mpg123_getpar
+mpg123_getpar2
 mpg123_getparam
+mpg123_getparam2
 mpg123_getstate
+mpg123_getstate2
 mpg123_getvolume
 mpg123_grow_string
 mpg123_icy
 mpg123_icy2utf8
 mpg123_id3
+mpg123_id3_raw
 mpg123_index
 mpg123_index_32
 mpg123_index_64
 mpg123_info
+mpg123_info2
 mpg123_init
 mpg123_init_string
 mpg123_length
@@ -68,8 +83,10 @@ mpg123_length_32
 mpg123_length_64
 mpg123_meta_check
 mpg123_meta_free
+mpg123_move_string
 mpg123_new
 mpg123_new_pars
+mpg123_new_string
 mpg123_noise
 mpg123_open
 mpg123_open_32
@@ -78,12 +95,17 @@ mpg123_open_fd
 mpg123_open_fd_32
 mpg123_open_fd_64
 mpg123_open_feed
+mpg123_open_fixed
+mpg123_open_fixed_32
+mpg123_open_fixed_64
 mpg123_open_handle
 mpg123_open_handle_32
 mpg123_open_handle_64
 mpg123_outblock
 mpg123_par
+mpg123_par2
 mpg123_param
+mpg123_param2
 mpg123_parnew
 mpg123_plain_strerror
 mpg123_position
@@ -101,6 +123,7 @@ mpg123_replace_reader_handle_64
 mpg123_reset_eq
 mpg123_resize_string
 mpg123_safe_buffer
+mpg123_same_string
 mpg123_scan
 mpg123_seek
 mpg123_seek_32
@@ -114,10 +137,12 @@ mpg123_set_filesize_64
 mpg123_set_index
 mpg123_set_index_32
 mpg123_set_index_64
+mpg123_set_moreinfo
 mpg123_set_string
 mpg123_set_substring
 mpg123_spf
 mpg123_store_utf8
+mpg123_store_utf8_2
 mpg123_strerror
 mpg123_strlen
 mpg123_supported_decoders
@@ -136,3 +161,4 @@ mpg123_timeframe_64
 mpg123_tpf
 mpg123_volume
 mpg123_volume_change
+mpg123_volume_change_db