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/*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup avi
*
* This is external code. Identify and convert different avi-files.
*/
#include "AVI_avi.h"
#include "avi_intern.h"
#include "avi_rgb.h"
#include "avi_mjpeg.h"
#include "avi_rgb32.h"
void *avi_format_convert(
AviMovie *movie, int stream, void *buffer, AviFormat from, AviFormat to, size_t *size)
{
if (from == to)
return buffer;
if (from != AVI_FORMAT_RGB24 && to != AVI_FORMAT_RGB24) {
return avi_format_convert(
movie,
stream,
avi_format_convert(movie, stream, buffer, from, AVI_FORMAT_RGB24, size),
AVI_FORMAT_RGB24,
to,
size);
}
switch (to) {
case AVI_FORMAT_RGB24:
switch (from) {
case AVI_FORMAT_AVI_RGB:
buffer = avi_converter_from_avi_rgb(movie, stream, buffer, size);
break;
case AVI_FORMAT_MJPEG:
buffer = avi_converter_from_mjpeg(movie, stream, buffer, size);
break;
case AVI_FORMAT_RGB32:
buffer = avi_converter_from_rgb32(movie, stream, buffer, size);
break;
default:
break;
}
break;
case AVI_FORMAT_AVI_RGB:
buffer = avi_converter_to_avi_rgb(movie, stream, buffer, size);
break;
case AVI_FORMAT_MJPEG:
buffer = avi_converter_to_mjpeg(movie, stream, buffer, size);
break;
case AVI_FORMAT_RGB32:
buffer = avi_converter_to_rgb32(movie, stream, buffer, size);
break;
default:
break;
}
return buffer;
}
int avi_get_data_id(AviFormat format, int stream)
{
char fcc[5];
if (avi_get_format_type(format) == FCC("vids"))
sprintf(fcc, "%2.2ddc", stream);
else if (avi_get_format_type(format) == FCC("auds"))
sprintf(fcc, "%2.2ddc", stream);
else
return 0;
return FCC(fcc);
}
int avi_get_format_type(AviFormat format)
{
switch (format) {
case AVI_FORMAT_RGB24:
case AVI_FORMAT_RGB32:
case AVI_FORMAT_AVI_RGB:
case AVI_FORMAT_MJPEG:
return FCC("vids");
default:
return 0;
}
}
int avi_get_format_fcc(AviFormat format)
{
switch (format) {
case AVI_FORMAT_RGB24:
case AVI_FORMAT_RGB32:
case AVI_FORMAT_AVI_RGB:
return FCC("DIB ");
case AVI_FORMAT_MJPEG:
return FCC("MJPG");
default:
return 0;
}
}
int avi_get_format_compression(AviFormat format)
{
switch (format) {
case AVI_FORMAT_RGB24:
case AVI_FORMAT_RGB32:
case AVI_FORMAT_AVI_RGB:
return 0;
case AVI_FORMAT_MJPEG:
return FCC("MJPG");
default:
return 0;
}
}
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