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Hans Lambermont
2002-10-12 11:37:38 +00:00
commit 12315f4d0e
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127
source/blender/avi/intern/options.c Normal file
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/**
* options.h
*
* This is external code. Sets some compression related options
* (width, height quality, framerate).
*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* */
#include "AVI_avi.h"
#include "avi_intern.h"
#include "endian.h"
/* 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;
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;
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;
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;
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:
if (1000000/(*((int *) opt_data)))
movie->header->MicroSecPerFrame = 1000000/(*((int *) opt_data));
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;
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);
}
}
}
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;
break;
}
return AVI_ERROR_NONE;
}