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/*****************************************************************
* gmerlin-avdecoder - a general purpose multimedia decoding library
*
* Copyright (c) 2001 - 2012 Members of the Gmerlin project
* gmerlin-general@lists.sourceforge.net
* http://gmerlin.sourceforge.net
*
* 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, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
#include <stdlib.h>
#include <avdec_private.h>
struct bgav_packet_buffer_s
{
bgav_packet_t * packets;
bgav_packet_t * packets_end;
bgav_packet_pool_t * pp;
};
bgav_packet_buffer_t * bgav_packet_buffer_create(bgav_packet_pool_t * pp)
{
bgav_packet_buffer_t * ret;
ret = calloc(1, sizeof(*ret));
ret->pp = pp;
return ret;
}
void bgav_packet_buffer_destroy(bgav_packet_buffer_t * b)
{
bgav_packet_t * tmp;
while(b->packets)
{
tmp = b->packets->next;
bgav_packet_destroy(b->packets);
b->packets = tmp;
}
free(b);
}
bgav_packet_t *
bgav_packet_buffer_get_packet_read(bgav_packet_buffer_t* b)
{
bgav_packet_t * ret;
if(b->packets)
{
ret = b->packets;
b->packets = b->packets->next;
ret->next = NULL;
return ret;
}
else
return NULL;
}
bgav_packet_t *
bgav_packet_buffer_peek_packet_read(bgav_packet_buffer_t * b)
{
return b->packets;
}
void bgav_packet_buffer_clear(bgav_packet_buffer_t * b)
{
bgav_packet_t * tmp;
// fprintf(stderr, "bgav_packet_buffer_clear()...\n");
while(b->packets)
{
tmp = b->packets->next;
bgav_packet_pool_put(b->pp, b->packets);
// fprintf(stderr, "bgav_packet_buffer_clear %p %p\n", b->packets, tmp);
b->packets = tmp;
}
b->packets_end = NULL;
// fprintf(stderr, "bgav_packet_buffer_clear()...done\n");
}
int bgav_packet_buffer_is_empty(bgav_packet_buffer_t * b)
{
return !b->packets ? 1 : 0;
}
void bgav_packet_buffer_append(bgav_packet_buffer_t * b,
bgav_packet_t * p)
{
p->next = NULL;
if(!b->packets)
{
b->packets = p;
b->packets_end = p;
}
else
{
b->packets_end->next = p;
b->packets_end = b->packets_end->next;
}
}
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