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0.59k: (OF)

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- fixed "Accept" header in httpget.c

- fixed buffer overflow (causing core dumps) in httpget.c

- fixed display of song length

- fixed -b (buffer) problem on SGI / IRIX -- it definitely works now

- fixed problem when files with different sample rates where played,

  it now works with -b (buffer), too

- fixed order of local variables in decode.c to work around a

  compiler bug in ultrix

- fixed Makefile for ultrix

- reverted to old getbits.s (the new one could cause coredumps)

- more compact MPEG header display in non-verbose mode

- small fixes in buffer code and elsewhere

0.59j: (MH)

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- added sajber jukebox control interface (it's currently a big hack)

  (see 'JUKEBOX' file for more)

- added simple rewind facility .. (only used by sajber interface at the moment)

0.59i: (MH)

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- added front-end (remote) patch from "Brian J. Swetland" <swetland@uiuc.edu>

- added OS2 patches from Niclas Lindstrom <nil@wineasy.se>

- fixed 'rewind bug'

- added patches from Leo Broukhis <leo@zycad.com>

- added shuffle patch from Tillmann Steinbrecher <tst@darmstadt.netsurf.de>

- added i386-getbits from M.Stekelenburg <m.stekelenburg@student.utwente.nl>

- added fallback to 8bit if no 16bit samples support (currently linux only)

- added (slightly changed) outburst patch

  from Antti Andreimann <anttix@cyberix.edu.ee>

- added 'http accept' patch from Hur TaeSung <saturn@arari.snu.ac.kr>

- fixed buffer mode bug

0.59h: (MH)

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- added '--8bit' option to force 'ULAW 8 BIT' playing

- pcm buffer type changed to 'unsigned char *'

- plays 2:1 and 4:1 with the real frequency (ie 11025/22050 instead

  of 44100)

- program (re)sets (changed) frequency for every frame

- buffer mode is broken

0.59g: (MH)

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- added support for MPEG 2.5 (it's a HACK!) .. mpg123 understands and plays

  2.5 but it does it wrong. (you will hear this!)

- Fixed wrong values in BandInfo struct for 32kHz mode

- Some performance improvements and minor changes and bug-fixes.

- Tried the new imdct from the maplay1.2+ (version 1.81) package. (but

  it was slightly slower on my system, currently disabled)

0.59f: (OF)

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- HP-UX audio fix (provided by Damien Clermonte)

- Buffering (-b option) hopefully fixed.  Please test!

0.59e:

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- added Audio MPEG 2.0 support (but near untested) (MH)

0.59d: (MH)

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- minor modifications to dct64_i386.c

- removed duplicated dependency 'dct64.o' in Makefile

0.59c: (OF)

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Another complete rework of the buffer system (-b option)

   (normally uses mmap(), but it can also use SYSV-ShMem because

   mmap() is broken on linux).

0.59: (MH)

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extracted dct64() from decode*.c files.

some changes to dct64() and decode*.c to allow auto-increment/decrement

removed bit-counter in getbit-functions. Layer3 part2 now counts it itself.

0.58: (OF)

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Bugfix: not closing the audio device caused a few samples to be lost.

Bugfix: audio_set_rate() was not called (!?!).

Additional command line options "--doublespeed" and "--halfspeed"

   (couldn't find better names).  See the manpage.

Complete redesign of command line options.  See the manpage.

Changed the buffer algorithm (-b).  I'm not sure whether it's better

   or worse now.

Supports multiple files on the command line.  Pressing Ctrl-C will

   skip to the next MPEG file, pressing it twice within one second

   will abort mpg123 completely.  See the "INTERRUPT" section in the

   manpage.

Support for http URLs.  See also the -p option in the manpage.

Support for list files.  See also the -@ option in the manpage.

0.57: (MH)

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Put the downsampling code together with the full

  quality decode into one binary. (new options -2to1,-4to1)

Optimizations in the dct12.

Removed the 'int' version.

0.56: (OF)

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Additional command line option "-rs" to try to resync on

   "broken" MPEG streams (now called "--resync" or "-y").

Additional command line option "-b" to use audio output buffering.

   See the manpage for additional information.

Changed a few variable names and some other minor fixes, so the

   source compiles more cleanly (without warnings) on most

   platforms (for example, the FreeBSD port compiles without

   warnings using "-Wall -ansi -pedantic").

Makefile changes: moved "solaris" to "solaris-gcc", new target

   "solaris" (using Sun's SparcWorks cc, faster tha gcc!), new

   targets "aix" and "generic".

0.55:

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removed some obsolete code from layer3.c (MH)

changed scalefac stoing in layer3 (MH)

decode_4to1.c added again. Renamed decode_lp.c to decode_2to1.c (MH)

(both not optimized .. still expterimental)

Minor cleanups and optimizations in layer3. (MH)

Removed some (probable) minor bugs. (MH)

Changed 2**(...) scaling (and omitted a few muls) (MH)

Changed Makefile (OF)

Changed dequantize to reorder with a mapping table

   (you can disable this by undefining MAP in layer3.c) (MH)

removed the 'dummy' scale step for mixed mode (MH)

Changed copy policy (MH)

Modified dequant-reorder-mapping (MH)

0.54: (MH)

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Minor changes in the documents ..

huffman.c: x->len,y->len removed .. always '15' for the important cases

audio.c: some additions to the SOLARIS audio code

0.53b: (OF)

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Makefile:

    Renamed SPARC10 to SUNOS (which is more appropriate).

        Tested with SunOS 4.1.4 on a SPARCstation SLC, 20 MHz

        (322% CPU, so no realtime decoding).

    Added SOLARIS.  Tested with Solaris 2.5.1 on an Ultra 1,

        167 MHz (14% CPU), a SPARCstation 5, 110 MHz (47% CPU),

        and a SPARCstation 10, 33 MHz (68% CPU).

    Added FreeBSD.  Tested with 2.1.7 on a Pentium-90 (38% CPU)

        and 2.2 on a Pentium-166 (20% CPU).

    Added Digital Unix.  Tested with DU 3.2 on a DEC 3000/500

        (Alpha AXP 150 MHz, 33% CPU).  Does not support DEC's

        audio interface ("AudioFile"), decodes to stdout only.

    Improved "clean" target to remove core files and editor

        backup files.

    Added "install" target.

    Added "dist" target to create a .tar.gz file of the source

        directory.

    In the distributed Makefile, all system sections are

    commented out.  When you type "make" without uncommenting

    one of the sections, an appropriate error message will

    be displayed.

audio.c

    Fixed problem when opening /dev/audio on Solaris:

        I had to remove O_NDELAY, because writing to /dev/audio

        didn't block until the requested number of samples

        could be written, but instead it wrote only as much

        samples as it was able too.  Sounded funny.  Removing

        O_NDELAY fixed the problem.  I don't think that it

        hurts SunOS either, so I didn't make another #ifdef.

common.c

    Fixed bug by adding function finish_output():

        The decoder writes the audio samples into a buffer, and

        each time the buffer is full, it is written to the

        audio device (or to stdout).  But when the decoding is

        done, there are some samples left in the buffer which

        aren't written yet -- they were just discarded.

        This additional function fixes the problem by writing

        the remaining samples from the buffer.  It is called

        immediately after the main frame loop in mpg123.c.

decode*.c

    Fixed compiler warning on symbol "div":

        Some compilers issue warnings because the symbol div is

        already used for something else (see "man div"), so I

        changed it to "divv".

layer*.c

    Functions do_layer*:

        Moved the declaration for audio_play_samples into

        mpg123.h.  Makes the code cleaner.

        I moved the variables pcm_samples and pcm_point to

        common.c, so they are shared between all modules.  This

        was necessary because the finish_output() function

        (see common.c above) needs to access them.

        Renamed loop variables "i" and "j" to "k" in order to

        fix compiler warnings for duplicate/hidden symbols

        (similar to "div" in decode*.c, see above).

        Changed the preprocessor symbol AUDIOBUFSIZE into a

        global variable "audiobufsize".  This makes it possible

        to change it by a command line option.

layer1.c

    Fixed error in function I_step_one, second parameter:

        unsigned int scale_index[2][]  -->  ...[2][SBLIMIT]

        This caused an error with the DU compiler (which is ok,

        because [2][] is incorrect according to ANSI).  I don't

        know whether [2][SBLIMIT] actually works correctly (I

        have no layer-1 streams to test it), but at least it

        compiles without error, and it appears to be correct

        (looking at the rest of the source).  Heaven knows why

        gcc doesn't issue an error, and what it actually makes

        from it.

mpg123.1

    A simple manual page.  Type "nroff -man mpg123.1 | more"

    to view it, or install it in /usr/local/man/man1 (this is

    done automatically by "make install").

mpg123.c

    New boolean variable "quiet":

        If this variable is set to TRUE (command line option

        -q), no messages are printed.

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