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/*
* Copyright (C) 2004-2010, Eric Lund
* http://www.mvpmc.org/
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* posmap.c - functions to handle operations on MythTV position maps.
* A position map contains a list of key-frames each of
* which represents a indexed position in a recording
* stream. These may be markers set by hand, or they may
* be markers inserted by commercial detection. A position
* map collects these in one place.
*/
#include <stdlib.h>
#include <stdio.h>
#include <cmyth_local.h>
/*
* cmyth_posmap_destroy(cmyth_posmap_t pm)
*
* Scope: PRIVATE (static)
*
* Description
*
* Clean up and free a position map structure. This should only be done
* by the ref_release() code. Everyone else should call
* ref_release() because position map structures are reference
* counted.
*
* Return Value:
*
* None.
*/
static void
cmyth_posmap_destroy(cmyth_posmap_t pm)
{
unsigned int i;
cmyth_dbg(CMYTH_DBG_DEBUG, "%s\n", __FUNCTION__);
if (!pm) {
return;
}
if (pm->posmap_list) {
for (i = 0; i < pm->posmap_count; ++i) {
ref_release(pm->posmap_list[i]);
}
free(pm->posmap_list);
}
}
/*
* cmyth_posmap_create(void)
*
* Scope: PUBLIC
*
* Description
*
* Allocate and initialize a position map structure.
*
* Return Value:
*
* Success: A non-NULL cmyth_posmap_t (this type is a pointer)
*
* Failure: A NULL cmyth_posmap_t
*/
cmyth_posmap_t
cmyth_posmap_create(void)
{
cmyth_posmap_t ret = ref_alloc(sizeof(*ret));
cmyth_dbg(CMYTH_DBG_DEBUG, "%s\n", __FUNCTION__);
if (!ret) {
return NULL;
}
ref_set_destroy(ret, (ref_destroy_t)cmyth_posmap_destroy);
ret->posmap_count = 0;
ret->posmap_list = NULL;
return ret;
}
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