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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 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_mjpeg.h"
#include "avi_rgb.h"
#include "avi_rgb32.h"
#include "BLI_string.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")) {
BLI_snprintf(fcc, sizeof(fcc), "%2.2ddc", stream);
}
else if (avi_get_format_type(format) == FCC("auds")) {
BLI_snprintf(fcc, sizeof(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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