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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 <string.h>
#include <stdlib.h>
#include <avdec_private.h>
#include <stdio.h>
#include <qt.h>
/*
typedef struct
{
qt_atom_header_t h;
qt_mdhd_t mdhd;
qt_hdlr_t hdlr;
qt_minf_t minf;
} qt_mdia_t;
*/
int bgav_qt_mdia_read(qt_atom_header_t * h, bgav_input_context_t * input,
qt_mdia_t * ret)
{
qt_atom_header_t ch; /* Child header */
memcpy(&ret->h, h, sizeof(*h));
while(input->position < h->start_position + h->size)
{
if(!bgav_qt_atom_read_header(input, &ch))
return 0;
switch(ch.fourcc)
{
case BGAV_MK_FOURCC('m', 'd', 'h', 'd'):
if(!bgav_qt_mdhd_read(&ch, input, &ret->mdhd))
return 0;
break;
case BGAV_MK_FOURCC('h', 'd', 'l', 'r'):
if(!bgav_qt_hdlr_read(&ch, input, &ret->hdlr))
return 0;
break;
case BGAV_MK_FOURCC('m', 'i', 'n', 'f'):
if(!bgav_qt_minf_read(&ch, input, &ret->minf))
return 0;
break;
default:
bgav_qt_atom_skip_unknown(input, &ch, h->fourcc);
break;
}
bgav_qt_atom_skip(input, &ch);
}
return 1;
}
void bgav_qt_mdia_free(qt_mdia_t * c)
{
bgav_qt_mdhd_free(&c->mdhd);
bgav_qt_hdlr_free(&c->hdlr);
bgav_qt_minf_free(&c->minf);
}
void bgav_qt_mdia_dump(int indent, qt_mdia_t * c)
{
bgav_diprintf(indent, "mdia\n");
bgav_qt_mdhd_dump(indent+2, &c->mdhd);
bgav_qt_hdlr_dump(indent+2, &c->hdlr);
bgav_qt_minf_dump(indent+2, &c->minf);
bgav_diprintf(indent, "end of mdia\n");
}
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