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/**********************************************************************
* ISO MPEG Audio Subgroup Software Simulation Group (1996)
* ISO 13818-3 MPEG-2 Audio Encoder - Lower Sampling Frequency Extension
*
* $Id: musicin.c,v 1.2 1997/01/19 22:28:29 rowlands Exp $
*
* $Log: musicin.c,v $
* Revision 1.2 1997/01/19 22:28:29 rowlands
* Layer 3 bug fixes from Seymour Shlien
*
* Revision 1.1 1996/02/14 04:04:23 rowlands
* Initial revision
*
* Received from Mike Coleman
**********************************************************************/
/**********************************************************************
* date programmers comment *
* 3/01/91 Douglas Wong, start of version 1.1 records *
* Davis Pan *
* 3/06/91 Douglas Wong, rename: setup.h to endef.h *
* removed extraneous variables *
* 3/21/91 J.Georges Fritsch introduction of the bit-stream *
* package. This package allows you *
* to generate the bit-stream in a *
* binary or ascii format *
* 3/31/91 Bill Aspromonte replaced the read of the SB matrix *
* by an "code generated" one *
* 5/10/91 W. Joseph Carter Ported to Macintosh and Unix. *
* Incorporated Jean-Georges Fritsch's *
* "bitstream.c" package. *
* Modified to strictly adhere to *
* encoded bitstream specs, including *
* "Berlin changes". *
* Modified user interface dialog & code *
* to accept any input & output *
* filenames desired. Also added *
* de-emphasis prompt and final bail-out *
* opportunity before encoding. *
* Added AIFF PCM sound file reading *
* capability. *
* Modified PCM sound file handling to *
* process all incoming samples and fill *
* out last encoded frame with zeros *
* (silence) if needed. *
* Located and fixed numerous software *
* bugs and table data errors. *
* 27jun91 dpwe (Aware Inc) Used new frame_params struct. *
* Clear all automatic arrays. *
* Changed some variable names, *
* simplified some code. *
* Track number of bits actually sent. *
* Fixed padding slot, stereo bitrate *
* Added joint-stereo : scales L+R. *
* 6/12/91 Earle Jennings added fix for MS_DOS in obtain_param *
* 6/13/91 Earle Jennings added stack length adjustment before *
* main for MS_DOS *
* 7/10/91 Earle Jennings conversion of all float to FLOAT *
* port to MsDos from MacIntosh completed*
* 8/ 8/91 Jens Spille Change for MS-C6.00 *
* 8/22/91 Jens Spille new obtain_parameters() *
*10/ 1/91 S.I. Sudharsanan, Ported to IBM AIX platform. *
* Don H. Lee, *
* Peter W. Farrett *
*10/ 3/91 Don H. Lee implemented CRC-16 error protection *
* newly introduced functions are *
* I_CRC_calc, II_CRC_calc and encode_CRC*
* Additions and revisions are marked *
* with "dhl" for clarity *
*11/11/91 Katherine Wang Documentation of code. *
* (variables in documentation are *
* surround by the # symbol, and an '*'*
* denotes layer I or II versions) *
* 2/11/92 W. Joseph Carter Ported new code to Macintosh. Most *
* important fixes involved changing *
* 16-bit ints to long or unsigned in *
* bit alloc routines for quant of 65535 *
* and passing proper function args. *
* Removed "Other Joint Stereo" option *
* and made bitrate be total channel *
* bitrate, irrespective of the mode. *
* Fixed many small bugs & reorganized. *
* 2/25/92 Masahiro Iwadare made code cleaner and more consistent *
* 8/07/92 Mike Coleman make exit() codes return error status *
* made slight changes for portability *
*19 aug 92 Soren H. Nielsen Changed MS-DOS file name extensions. *
* 8/25/92 Shaun Astarabadi Replaced rint() function with explicit*
* rounding for portability with MSDOS. *
* 9/22/92 jddevine@aware.com Fixed _scale_factor_calc() calls. *
*10/19/92 Masahiro Iwadare added info->mode and info->mode_ext *
* updates for AIFF format files *
* 3/10/93 Kevin Peterson In parse_args, only set non default *
* bit rate if specified in arg list. *
* Use return value from aiff_read_hdrs *
* to fseek to start of sound data *
* 7/26/93 Davis Pan fixed bug in printing info->mode_ext *
* value for joint stereo condition *
* 8/27/93 Seymour Shlien, Fixes in Unix and MSDOS ports, *
* Daniel Lauzon, and *
* Bill Truerniet *
* 11/7/95 Soeren H. Nielsen LSF added. Bug fix in MSDOS ext. *
* 8/02/95 mc@fivebats.com Changed default bitrate selection so *
* it works with the new LSF stuff *
*10/01/95 mc@fivebats.com Added layer3 *
**********************************************************************/
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