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by Jens Kuske
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/*
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* Copyright (c) 2013 Jens Kuske <jenskuske@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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5
by Jens Kuske
Make handle table self-growing |
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#include <string.h> |
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1
by Jens Kuske
First release |
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#include "vdpau_private.h" |
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5
by Jens Kuske
Make handle table self-growing |
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#define INITIAL_SIZE 16
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static struct |
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{
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void **data; |
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int size; |
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} ht; |
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1
by Jens Kuske
First release |
30 |
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int handle_create(void *data) |
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{
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5
by Jens Kuske
Make handle table self-growing |
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int index; |
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||
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1
by Jens Kuske
First release |
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if (!data) |
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return -1; |
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||
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5
by Jens Kuske
Make handle table self-growing |
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for (index = 0; index < ht.size; index++) |
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if (ht.data[index] == NULL) |
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1
by Jens Kuske
First release |
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break; |
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5
by Jens Kuske
Make handle table self-growing |
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if (index >= ht.size) |
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{
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int new_size = ht.size ? ht.size * 2 : INITIAL_SIZE; |
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void **new_data = realloc(ht.data, new_size * sizeof(void *)); |
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if (!new_data) |
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return -1; |
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memset(new_data + ht.size, 0, (new_size - ht.size) * sizeof(void *)); |
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ht.data = new_data; |
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ht.size = new_size; |
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}
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ht.data[index] = data; |
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return index + 1; |
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1
by Jens Kuske
First release |
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}
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void *handle_get(int handle) |
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{
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16.1.5
by Paul Kendall
Handle null source/dest rects properly |
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if (handle == VDP_INVALID_HANDLE) |
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return NULL; |
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5
by Jens Kuske
Make handle table self-growing |
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int index = handle - 1; |
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if (index < ht.size) |
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return ht.data[index]; |
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1
by Jens Kuske
First release |
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5
by Jens Kuske
Make handle table self-growing |
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return NULL; |
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1
by Jens Kuske
First release |
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}
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void handle_destroy(int handle) |
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{
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5
by Jens Kuske
Make handle table self-growing |
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int index = handle - 1; |
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if (index < ht.size) |
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ht.data[index] = NULL; |
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1
by Jens Kuske
First release |
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}
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