90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*
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** Copyright (C) 2006 Paul Davis <paul@linuxaudiosystems.com>
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** Copyright (C) 2006 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU Lesser General Public License as published by
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** the Free Software Foundation; either version 2.1 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU Lesser General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "common.h"
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/*
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** Allocate and initialize a broadcast info structure.
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*/
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SF_BROADCAST_INFO*
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broadcast_info_alloc (void)
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{ SF_BROADCAST_INFO* bext ;
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if ((bext = calloc (1, sizeof (SF_BROADCAST_INFO))) == NULL)
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return NULL ;
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return bext ;
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} /* broadcast_info_alloc */
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int
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broadcast_info_copy (SF_BROADCAST_INFO* dst, SF_BROADCAST_INFO* src)
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{ memcpy (dst, src, sizeof (SF_BROADCAST_INFO)) ;
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/* Currently writing this version. */
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dst->version = 1 ;
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return SF_TRUE ;
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} /* broadcast_info_copy */
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int
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broadcast_add_coding_history (SF_BROADCAST_INFO* bext, unsigned int channels, unsigned int samplerate)
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{ char chnstr [16] ;
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int count ;
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switch (channels)
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{ case 0 :
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return SF_FALSE ;
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case 1 :
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strncpy (chnstr, "mono", sizeof (chnstr)) ;
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break ;
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case 2 :
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strncpy (chnstr, "stereo", sizeof (chnstr)) ;
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break ;
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default :
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LSF_SNPRINTF (chnstr, sizeof (chnstr), "%uchn", channels) ;
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break ;
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}
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count = LSF_SNPRINTF (bext->coding_history, sizeof (bext->coding_history), "F=%u,A=PCM,M=%s,W=24,T=%s-%s", samplerate, chnstr, PACKAGE, VERSION) ;
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if (count >= SIGNED_SIZEOF (bext->coding_history))
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bext->coding_history_size = sizeof (bext->coding_history) ;
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else
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{ count += count & 1 ;
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bext->coding_history_size = count ;
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} ;
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return SF_TRUE ;
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} /* broadcast_add_coding_history */
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/*
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** Do not edit or modify anything in this comment block.
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** The following line is a file identity tag for the GNU Arch
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** revision control system.
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**
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** arch-tag: 4b3b69c7-d710-4424-9da0-5048534a0beb
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*/
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