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- make CMake happy

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Christoph Oelckers 2018-02-19 23:33:42 +01:00
commit 803369fb8d
50 changed files with 28 additions and 26 deletions
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src/sound/timiditypp/output.cpp Normal file
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/*
TiMidity++ -- MIDI to WAVE converter and player
Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU 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
output.c
Audio output (to file / device) functions.
*/
#include "timidity.h"
#include "common.h"
#include "sysdep.h"
#include "tables.h"
namespace TimidityPlus
{
int audio_buffer_bits = DEFAULT_AUDIO_BUFFER_BITS;
extern PlayMode w32_play_mode;
#define DEV_PLAY_MODE &w32_play_mode
extern PlayMode raw_play_mode;
PlayMode *play_mode = DEV_PLAY_MODE;
/*****************************************************************/
/* Some functions to convert signed 32-bit data to other formats */
void s32tos16(int32_t *lp, int32_t c)
{
int16_t *sp=(int16_t *)(lp);
int32_t l, i;
for(i = 0; i < c; i++)
{
l=(lp[i])>>(32-16-GUARD_BITS);
if (l > 32767) l=32767;
else if (l<-32768) l=-32768;
sp[i] = (int16_t)(l);
}
}
// This only gets used as intermediate so we do not care about byte order
#define STORE_S24(cp, l) *cp++ = l & 0xFF, *cp++ = l >> 8 & 0xFF, *cp++ = l >> 16
#define MAX_24BIT_SIGNED (8388607)
#define MIN_24BIT_SIGNED (-8388608)
void s32tos24(int32_t *lp, int32_t c)
{
uint8_t *cp = (uint8_t *)(lp);
int32_t l, i;
for(i = 0; i < c; i++)
{
l = (lp[i]) >> (32 - 24 - GUARD_BITS);
l = (l > MAX_24BIT_SIGNED) ? MAX_24BIT_SIGNED
: (l < MIN_24BIT_SIGNED) ? MIN_24BIT_SIGNED : l;
STORE_S24(cp, l);
}
}
/* return: number of bytes */
int32_t general_output_convert(int32_t *buf, int32_t count)
{
int32_t bytes;
count *= 2; /* Stereo samples */
bytes = count;
bytes *= 2;
s32tos16(buf, count);
return bytes;
}
}