+++ /dev/null
-/*
-** Copyright (C) 2006-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
-** Copyright (C) 2006 Paul Davis <paul@linuxaudiosystems.com>
-**
-** This program is free software; you can redistribute it and/or modify
-** it under the terms of the GNU Lesser General Public License as published by
-** the Free Software Foundation; either version 2.1 of the License, or
-** (at your option) any later version.
-**
-** This program is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-** GNU Lesser General Public License for more details.
-**
-** You should have received a copy of the GNU Lesser General Public License
-** along with this program; if not, write to the Free Software
-** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-
-#include "sfconfig.h"
-
-#include <stdio.h>
-#include <stddef.h>
-#include <string.h>
-
-#include "common.h"
-
-
-static int gen_coding_history (char * added_history, int added_history_max, const SF_INFO * psfinfo) ;
-
-static inline size_t
-bc_min_size (const SF_BROADCAST_INFO* info)
-{ if (info == NULL)
- return 0 ;
-
- return offsetof (SF_BROADCAST_INFO, coding_history) + info->coding_history_size ;
-} /* bc_min_size */
-
-SF_BROADCAST_INFO_16K*
-broadcast_var_alloc (void)
-{ return calloc (1, sizeof (SF_BROADCAST_INFO_16K)) ;
-} /* broadcast_var_alloc */
-
-int
-broadcast_var_set (SF_PRIVATE *psf, const SF_BROADCAST_INFO * info, size_t datasize)
-{ size_t len ;
-
- if (info == NULL)
- return SF_FALSE ;
-
- if (bc_min_size (info) > datasize)
- { psf->error = SFE_BAD_BROADCAST_INFO_SIZE ;
- return SF_FALSE ;
- } ;
-
- if (datasize >= sizeof (SF_BROADCAST_INFO_16K))
- { psf->error = SFE_BAD_BROADCAST_INFO_TOO_BIG ;
- return SF_FALSE ;
- } ;
-
- if (psf->broadcast_16k == NULL)
- { if ((psf->broadcast_16k = broadcast_var_alloc ()) == NULL)
- { psf->error = SFE_MALLOC_FAILED ;
- return SF_FALSE ;
- } ;
- } ;
-
- memcpy (psf->broadcast_16k, info, offsetof (SF_BROADCAST_INFO, coding_history)) ;
-
- psf_strlcpy_crlf (psf->broadcast_16k->coding_history, info->coding_history, sizeof (psf->broadcast_16k->coding_history), datasize - offsetof (SF_BROADCAST_INFO, coding_history)) ;
- len = strlen (psf->broadcast_16k->coding_history) ;
-
- if (len > 0 && psf->broadcast_16k->coding_history [len - 1] != '\n')
- psf_strlcat (psf->broadcast_16k->coding_history, sizeof (psf->broadcast_16k->coding_history), "\r\n") ;
-
- if (psf->file.mode == SFM_WRITE)
- { char added_history [256] ;
-
- gen_coding_history (added_history, sizeof (added_history), &(psf->sf)) ;
- psf_strlcat (psf->broadcast_16k->coding_history, sizeof (psf->broadcast_16k->coding_history), added_history) ;
- } ;
-
- /* Force coding_history_size to be even. */
- len = strlen (psf->broadcast_16k->coding_history) ;
- len += (len & 1) ? 1 : 2 ;
- psf->broadcast_16k->coding_history_size = len ;
-
- /* Currently writing this version. */
- psf->broadcast_16k->version = 1 ;
-
- return SF_TRUE ;
-} /* broadcast_var_set */
-
-
-int
-broadcast_var_get (SF_PRIVATE *psf, SF_BROADCAST_INFO * data, size_t datasize)
-{ size_t size ;
-
- if (psf->broadcast_16k == NULL)
- return SF_FALSE ;
-
- size = SF_MIN (datasize, bc_min_size ((const SF_BROADCAST_INFO *) psf->broadcast_16k)) ;
-
- memcpy (data, psf->broadcast_16k, size) ;
-
- return SF_TRUE ;
-} /* broadcast_var_get */
-
-/*------------------------------------------------------------------------------
-*/
-
-static int
-gen_coding_history (char * added_history, int added_history_max, const SF_INFO * psfinfo)
-{ char chnstr [16] ;
- int count, width ;
-
- /*
- ** From : http://www.sr.se/utveckling/tu/bwf/docs/codhist2.htm
- **
- ** Parameter Variable string <allowed option> Unit
- ** ==========================================================================================
- ** Coding Algorithm A=<ANALOGUE, PCM, MPEG1L1, MPEG1L2, MPEG1L3,
- ** MPEG2L1, MPEG2L2, MPEG2L3>
- ** Sampling frequency F=<11000,22050,24000,32000,44100,48000> [Hz]
- ** Bit-rate B=<any bit-rate allowed in MPEG 2 (ISO/IEC [kbit/s per channel]
- ** 13818-3)>
- ** Word Length W=<8, 12, 14, 16, 18, 20, 22, 24> [bits]
- ** Mode M=<mono, stereo, dual-mono, joint-stereo>
- ** Text, free string T=<a free ASCII-text string for in house use.
- ** This string should contain no commas (ASCII
- ** 2Chex). Examples of the contents: ID-No; codec
- ** type; A/D type>
- */
-
- switch (psfinfo->channels)
- { case 0 :
- return SF_FALSE ;
-
- case 1 :
- psf_strlcpy (chnstr, sizeof (chnstr), "mono") ;
- break ;
-
- case 2 :
- psf_strlcpy (chnstr, sizeof (chnstr), "stereo") ;
- break ;
-
- default :
- snprintf (chnstr, sizeof (chnstr), "%uchn", psfinfo->channels) ;
- break ;
- } ;
-
- switch (SF_CODEC (psfinfo->format))
- { case SF_FORMAT_PCM_U8 :
- case SF_FORMAT_PCM_S8 :
- width = 8 ;
- break ;
- case SF_FORMAT_PCM_16 :
- width = 16 ;
- break ;
- case SF_FORMAT_PCM_24 :
- width = 24 ;
- break ;
- case SF_FORMAT_PCM_32 :
- width = 32 ;
- break ;
- case SF_FORMAT_FLOAT :
- width = 24 ; /* Bits in the mantissa + 1 */
- break ;
- case SF_FORMAT_DOUBLE :
- width = 53 ; /* Bits in the mantissa + 1 */
- break ;
- case SF_FORMAT_ULAW :
- case SF_FORMAT_ALAW :
- width = 12 ;
- break ;
- default :
- width = 42 ;
- break ;
- } ;
-
- count = snprintf (added_history, added_history_max,
- "A=PCM,F=%u,W=%hu,M=%s,T=%s-%s\r\n",
- psfinfo->samplerate, width, chnstr, PACKAGE, VERSION) ;
-
- if (count >= added_history_max)
- return 0 ;
-
- return count ;
-} /* gen_coding_history */
-
projects / Faustine.git / blobdiff