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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 <stdio.h>
#include <avdec_private.h>
#include <qt.h>
// http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap2/chapter_3_section_7.html#//apple_ref/doc/uid/TP40000939-CH204-BBCGAIFH
int bgav_qt_rmda_read(qt_atom_header_t * h,
bgav_input_context_t * input, qt_rmda_t * ret)
{
qt_atom_header_t ch;
memcpy(&ret->h, h, sizeof(*h));
while(input->position < h->start_position + h->size)
{
if(!bgav_qt_atom_read_header(input, &ch))
return 0;
// bgav_qt_atom_dump_header(0, &ch);
switch(ch.fourcc)
{
case BGAV_MK_FOURCC('r', 'd', 'r', 'f'):
if(!bgav_qt_rdrf_read(&ch, input, &ret->rdrf))
return 0;
ret->has_rdrf = 1;
break;
/* Data rate atom */
case BGAV_MK_FOURCC('r', 'm', 'd', 'r'):
/* CPU Speed atom */
case BGAV_MK_FOURCC('r', 'm', 'c', 's'):
/* Version check atom */
case BGAV_MK_FOURCC('r', 'm', 'v', 'c'):
/* Component detect atom */
case BGAV_MK_FOURCC('r', 'm', 'c', 'd'):
/* Quality atom */
case BGAV_MK_FOURCC('r', 'm', 'q', 'u'):
bgav_qt_atom_skip(input, &ch);
break;
default:
bgav_qt_atom_skip_unknown(input, &ch, h->fourcc);
break;
}
}
return 1;
}
void bgav_qt_rmda_free(qt_rmda_t * r)
{
bgav_qt_rdrf_free(&r->rdrf);
}
void bgav_qt_rmda_dump(int indent, qt_rmda_t * r)
{
bgav_diprintf(indent, "rmda\n");
if(r->has_rdrf)
bgav_qt_rdrf_dump(indent+2, &r->rdrf);
}
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