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More instrument API updates, pool purge & SLAB allocation fixes...

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This commit is contained in:
Jaroslav Kysela 1999-07-10 08:52:04 +00:00
parent 452d7704e1
commit 7abdbe78a0
4 changed files with 149 additions and 40 deletions
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94
src/instr/simple.c Normal file
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/*
* Simple Wave Format Support
* Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
*
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/stat.h>
#include <stdio.h>
#include "asoundlib.h"
#include <linux/ainstr_simple.h>
static long simple_size(simple_instrument_t *instr)
{
return sizeof(simple_xinstrument_t) + instr->size;
}
int snd_instr_simple_convert_to_stream(snd_instr_simple_t *simple,
const char *name,
snd_seq_instr_put_t **__data,
long *__size)
{
snd_seq_instr_put_t *put;
snd_seq_instr_data_t *data;
int size;
char *ptr;
simple_instrument_t *instr;
simple_xinstrument_t *xinstr;
if (simple == NULL || __data == NULL)
return -EINVAL;
instr = (simple_instrument_t *)simple;
*__data = NULL;
*__size = 0;
size = sizeof(*put) + simple_size(simple);
put = (snd_seq_instr_put_t *)malloc(sizeof(*put) + size);
if (put == NULL)
return -ENOMEM;
/* build header */
bzero(put, sizeof(*put));
data = &put->data;
if (name)
strncpy(data->name, name, sizeof(data->name)-1);
data->type = SND_SEQ_INSTR_ATYPE_DATA;
strcpy(data->data.format, SND_SEQ_INSTR_ID_SIMPLE);
/* build data section */
xinstr = (simple_xinstrument_t *)(data + 1);
xinstr->stype = SIMPLE_STRU_INSTR;
xinstr->share_id[0] = snd_htoi_32(instr->share_id[0]);
xinstr->share_id[1] = snd_htoi_32(instr->share_id[1]);
xinstr->share_id[2] = snd_htoi_32(instr->share_id[2]);
xinstr->share_id[3] = snd_htoi_32(instr->share_id[3]);
xinstr->size = snd_htoi_32(instr->size);
xinstr->start = snd_htoi_32(instr->start);
xinstr->loop_start = snd_htoi_32(instr->loop_start);
xinstr->loop_end = snd_htoi_32(instr->loop_end);
xinstr->loop_repeat = snd_htoi_16(instr->loop_repeat);
xinstr->effect1 = instr->effect1;
xinstr->effect1_depth = instr->effect1_depth;
xinstr->effect2 = instr->effect2;
xinstr->effect2_depth = instr->effect2_depth;
ptr = (char *)(xinstr + 1);
memcpy(ptr, instr->address.ptr, instr->size);
/* write result */
*__data = put;
*__size = size;
return 0;
}
int snd_instr_simple_convert_from_stream(snd_seq_instr_get_t *__data,
long size,
snd_instr_simple_t **simple)
{
/* TODO */
return -ENXIO;
}