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/*
* export_im.c
*
* Copyright (C) Thomas Oestreich - March 2002
*
* This file is part of transcode, a video stream processing tool
*
* transcode 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, or (at your option)
* any later version.
*
* transcode 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/* Note: because of ImageMagick bogosity, this must be included first, so
* we can undefine the PACKAGE_* symbols it splats into our namespace */
#include <magick/api.h>
#undef PACKAGE_BUGREPORT
#undef PACKAGE_NAME
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_VERSION
#include "transcode.h"
#include "libtcvideo/tcvideo.h"
#include <stdio.h>
#include <stdlib.h>
#define MOD_NAME "export_im.so"
#define MOD_VERSION "v0.0.4 (2003-11-13)"
#define MOD_CODEC "(video) *"
static int verbose_flag=TC_QUIET;
static int capability_flag=TC_CAP_YUV|TC_CAP_RGB|TC_CAP_PCM|TC_CAP_AUD;
#define MOD_PRE im
#include "export_def.h"
static char buf2[PATH_MAX];
static uint8_t *tmp_buffer; //[SIZE_RGB_FRAME];
static TCVHandle tcvhandle;
static int codec, width, height;
static int counter=0;
static const char *prefix="frame.";
static const char *type;
static int interval=1;
static unsigned int int_counter=0;
ImageInfo *image_info;
/* ------------------------------------------------------------
*
* init codec
*
* ------------------------------------------------------------*/
MOD_init
{
/* set the 'spit-out-frame' interval */
interval = vob->frame_interval;
if(param->flag == TC_VIDEO) {
int quality = 75;
width = vob->ex_v_width;
height = vob->ex_v_height;
codec = (vob->im_v_codec == CODEC_YUV) ? CODEC_YUV : CODEC_RGB;
InitializeMagick("");
image_info=CloneImageInfo((ImageInfo *) NULL);
if (vob->divxbitrate == VBITRATE)
quality = 75;
else quality = vob->divxbitrate;
if (quality >= 100) quality = 100;
if (quality <= 0) quality = 0;
image_info->quality = quality;
if (!tmp_buffer)
tmp_buffer = malloc (vob->ex_v_width*vob->ex_v_height*3);
if (!tmp_buffer)
return TC_EXPORT_ERROR;
tcvhandle = tcv_init();
if (!tcvhandle) {
tc_log_error(MOD_NAME, "tcv_init() failed");
return TC_EXPORT_ERROR;
}
return TC_EXPORT_OK;
}
if(param->flag == TC_AUDIO)
return TC_EXPORT_OK;
// invalid flag
return TC_EXPORT_ERROR;
}
/* ------------------------------------------------------------
*
* open outputfile
*
* ------------------------------------------------------------*/
MOD_open
{
if(param->flag == TC_VIDEO) {
// video
switch(vob->im_v_codec) {
case CODEC_YUV:
case CODEC_RGB:
if(vob->video_out_file!=NULL && strcmp(vob->video_out_file,"/dev/null")!=0) prefix=vob->video_out_file;
break;
default:
tc_log_warn(MOD_NAME, "codec not supported");
return(TC_EXPORT_ERROR);
break;
}
if(vob->ex_v_fcc != NULL && strlen(vob->ex_v_fcc) != 0) {
type = vob->ex_v_fcc;
} else type="jpg";
return(0);
}
if(param->flag == TC_AUDIO) return(0);
// invalid flag
return(TC_EXPORT_ERROR);
}
/* ------------------------------------------------------------
*
* encode and export
*
* ------------------------------------------------------------*/
MOD_encode
{
ExceptionInfo exception_info;
char *out_buffer = param->buffer;
Image *image=NULL;
int res;
if ((++int_counter-1) % interval != 0)
return (0);
if(param->flag == TC_VIDEO) {
GetExceptionInfo(&exception_info);
res = tc_snprintf(buf2, PATH_MAX, "%s%06d.%s", prefix, counter++, type);
if (res < 0) {
tc_log_perror(MOD_NAME, "cmd buffer overflow");
return(TC_EXPORT_ERROR);
}
if(codec==CODEC_YUV) {
tcv_convert(tcvhandle, param->buffer, tmp_buffer, width, height,
IMG_YUV_DEFAULT, IMG_RGB24);
out_buffer = tmp_buffer;
}
image=ConstituteImage (width, height, "RGB", CharPixel, out_buffer, &exception_info);
strlcpy(image->filename, buf2, MaxTextExtent);
WriteImage(image_info, image);
DestroyImage(image);
return(0);
}
if(param->flag == TC_AUDIO) return(0);
// invalid flag
return(TC_EXPORT_ERROR);
}
/* ------------------------------------------------------------
*
* stop encoder
*
* ------------------------------------------------------------*/
MOD_stop
{
if(param->flag == TC_VIDEO) {
DestroyImageInfo(image_info);
ConstituteComponentTerminus();
DestroyMagick();
free(tmp_buffer);
tmp_buffer = NULL;
tcv_free(tcvhandle);
tcvhandle = 0;
return(0);
}
if(param->flag == TC_AUDIO) return(0);
return(TC_EXPORT_ERROR);
}
/* ------------------------------------------------------------
*
* close outputfiles
*
* ------------------------------------------------------------*/
MOD_close
{
if(param->flag == TC_AUDIO) return(0);
if(param->flag == TC_VIDEO) return(0);
return(TC_EXPORT_ERROR);
}
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