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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. Sets some compression related options
* (width, height quality, framerate).
*/
#include "AVI_avi.h"
#include "BLI_fileops.h"
#include "avi_endian.h"
#include "avi_intern.h"
#ifdef WIN32
# include "BLI_winstuff.h"
#endif
/* avi_set_compress_options gets its own file... now don't WE feel important? */
AviError AVI_set_compress_option(
AviMovie *movie, int option_type, int stream, AviOption option, void *opt_data)
{
int i;
int useconds;
(void)stream; /* unused */
if (movie->header->TotalFrames != 0) {
/* Can't change params after we have already started writing frames. */
return AVI_ERROR_OPTION;
}
switch (option_type) {
case AVI_OPTION_TYPE_MAIN:
switch (option) {
case AVI_OPTION_WIDTH:
movie->header->Width = *((int *)opt_data);
movie->header->SuggestedBufferSize = movie->header->Width * movie->header->Height * 3;
for (i = 0; i < movie->header->Streams; i++) {
if (avi_get_format_type(movie->streams[i].format) == FCC("vids")) {
((AviBitmapInfoHeader *)movie->streams[i].sf)->Width = *((int *)opt_data);
movie->streams[i].sh.SuggestedBufferSize = movie->header->SuggestedBufferSize;
movie->streams[i].sh.right = *((int *)opt_data);
((AviBitmapInfoHeader *)movie->streams[i].sf)->SizeImage =
movie->header->SuggestedBufferSize;
BLI_fseek(movie->fp, movie->offset_table[1 + i * 2 + 1], SEEK_SET);
awrite(movie,
movie->streams[i].sf,
1,
movie->streams[i].sf_size,
movie->fp,
AVI_BITMAPH);
}
}
break;
case AVI_OPTION_HEIGHT:
movie->header->Height = *((int *)opt_data);
movie->header->SuggestedBufferSize = movie->header->Width * movie->header->Height * 3;
for (i = 0; i < movie->header->Streams; i++) {
if (avi_get_format_type(movie->streams[i].format) == FCC("vids")) {
((AviBitmapInfoHeader *)movie->streams[i].sf)->Height = *((int *)opt_data);
movie->streams[i].sh.SuggestedBufferSize = movie->header->SuggestedBufferSize;
movie->streams[i].sh.bottom = *((int *)opt_data);
((AviBitmapInfoHeader *)movie->streams[i].sf)->SizeImage =
movie->header->SuggestedBufferSize;
BLI_fseek(movie->fp, movie->offset_table[1 + i * 2 + 1], SEEK_SET);
awrite(movie,
movie->streams[i].sf,
1,
movie->streams[i].sf_size,
movie->fp,
AVI_BITMAPH);
}
}
break;
case AVI_OPTION_QUALITY:
for (i = 0; i < movie->header->Streams; i++) {
if (avi_get_format_type(movie->streams[i].format) == FCC("vids")) {
movie->streams[i].sh.Quality = (*((int *)opt_data)) * 100;
BLI_fseek(movie->fp, movie->offset_table[1 + i * 2 + 1], SEEK_SET);
awrite(movie,
movie->streams[i].sf,
1,
movie->streams[i].sf_size,
movie->fp,
AVI_BITMAPH);
}
}
break;
case AVI_OPTION_FRAMERATE:
useconds = (int)(1000000 / (*((double *)opt_data)));
if (useconds) {
movie->header->MicroSecPerFrame = useconds;
}
for (i = 0; i < movie->header->Streams; i++) {
if (avi_get_format_type(movie->streams[i].format) == FCC("vids")) {
movie->streams[i].sh.Scale = movie->header->MicroSecPerFrame;
BLI_fseek(movie->fp, movie->offset_table[1 + i * 2 + 1], SEEK_SET);
awrite(movie,
movie->streams[i].sf,
1,
movie->streams[i].sf_size,
movie->fp,
AVI_BITMAPH);
}
}
break;
}
BLI_fseek(movie->fp, movie->offset_table[0], SEEK_SET);
awrite(movie, movie->header, 1, sizeof(AviMainHeader), movie->fp, AVI_MAINH);
break;
case AVI_OPTION_TYPE_STRH:
break;
case AVI_OPTION_TYPE_STRF:
break;
default:
return AVI_ERROR_OPTION;
}
return AVI_ERROR_NONE;
}
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