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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>
#include <qt.h>
#if 0
typedef struct
{
uint32_t num_entries;
struct
{
uint32_t duration;
uint32_t media_time;
uint32_t media_rate;
} * table;
} qt_elst_t;
#endif
int bgav_qt_elst_read(qt_atom_header_t * h, bgav_input_context_t * input,
qt_elst_t * ret)
{
int i;
READ_VERSION_AND_FLAGS;
if(!bgav_input_read_32_be(input, &ret->num_entries))
return 0;
ret->table = calloc(ret->num_entries, sizeof(*ret->table));
for(i = 0; i < ret->num_entries; i++)
{
if(!bgav_input_read_32_be(input, &ret->table[i].duration) ||
!bgav_input_read_32_be(input, (uint32_t*)&ret->table[i].media_time) ||
!bgav_input_read_32_be(input, &ret->table[i].media_rate))
return 0;
}
return 1;
}
void bgav_qt_elst_free(qt_elst_t * e)
{
if(e->table) free(e->table);
}
void bgav_qt_elst_dump(int indent, qt_elst_t * e)
{
int i;
bgav_diprintf(indent, "elst\n");
bgav_diprintf(indent+2, "version: %d\n", e->version);
bgav_diprintf(indent+2, "flags: %06x\n", e->flags);
bgav_diprintf(indent+2, "num_entries: %d\n", e->num_entries);
for(i = 0; i < e->num_entries; i++)
{
bgav_diprintf(indent+4, "duration: %d, media_time: %d, media_rate: %f\n",
e->table[i].duration, e->table[i].media_time,
(float)e->table[i].media_rate / 65536.0);
}
bgav_diprintf(indent, "end of elst\n");
}
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