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/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "pcm_buffer.h"
/**
* Align the specified size to the next 8k boundary.
*/
G_GNUC_CONST
static size_t
align_8k(size_t size)
{
return ((size - 1) | 0x1fff) + 1;
}
void *
pcm_buffer_get(struct pcm_buffer *buffer, size_t size)
{
assert(buffer != NULL);
if (buffer->size < size) {
/* free the old buffer */
g_free(buffer->buffer);
buffer->size = align_8k(size);
buffer->buffer = g_malloc(buffer->size);
}
assert(buffer->size >= size);
return buffer->buffer;
}
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