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213 lines
5.9 KiB
213 lines
5.9 KiB
/* -*- C++ -*-
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* File: halt_mt_win32.c
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* Copyright 2008-2009 Alex Tutubalin <lexa@lexa.ru>
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* Created: Sat Mar 8 , 2008
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*
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* LibRaw C API mutithreaded sample (emulates call to "dcraw -h [-w] [-a] [-v]")
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* Win32 version
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#include <windows.h>
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#include "libraw/libraw.h"
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#ifdef WIN32
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#define snprintf _snprintf
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#endif
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#define HANDLE_ERRORS(ret) do { \
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if(ret) \
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{ \
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fprintf(stderr,"%s: %s\n",fn,libraw_strerror(ret)); \
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if(LIBRAW_FATAL_ERROR(ret)) \
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{ \
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libraw_close(iprc); \
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return -1; \
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} \
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} \
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}while(0)
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// global settings
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int verbose=0,use_camera_wb=0,use_auto_wb=0,tiff_mode=0;
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// global file queue
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HANDLE qmutex;
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char **queue=NULL;
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size_t qsize=0,qptr=0;
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char *get_next_file()
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{
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char *ret;
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DWORD dwWaitResult;
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if(!queue) return NULL;
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if(qptr>=qsize) return NULL;
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dwWaitResult = WaitForSingleObject(
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qmutex, // handle to mutex
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INFINITE); // no time-out interval
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switch (dwWaitResult)
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{
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// The thread got ownership of the mutex
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case WAIT_OBJECT_0:
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ret = queue[qptr++];
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ReleaseMutex(qmutex);
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break;
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case WAIT_ABANDONED:
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return NULL; // cannot obtain the lock
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};
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return ret;
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}
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// thread routine
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int process_files(void *q)
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{
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int ret;
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int count=0;
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char outfn[1024], *fn;
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libraw_data_t *iprc = libraw_init(0);
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if(!iprc)
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{
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fprintf(stderr,"Cannot create libraw handle\n");
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return -1;
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}
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while((fn = get_next_file()))
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{
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iprc->params.half_size = 1; /* dcraw -h */
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iprc->params.use_camera_wb = use_camera_wb;
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iprc->params.use_auto_wb = use_auto_wb;
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iprc->params.output_tiff = tiff_mode;
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ret = libraw_open_file(iprc,fn);
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if(verbose) fprintf(stderr,"%s: %s/%s\n",fn,iprc->idata.make,iprc->idata.model);
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HANDLE_ERRORS(ret);
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ret = libraw_unpack(iprc);
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HANDLE_ERRORS(ret);
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ret = libraw_dcraw_process(iprc);
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HANDLE_ERRORS(ret);
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snprintf(outfn,1023,"%s.%s",fn,tiff_mode?"tif":"ppm");
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if(verbose) fprintf(stderr,"Writing file %s\n",outfn);
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ret = libraw_dcraw_ppm_tiff_writer(iprc,outfn);
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HANDLE_ERRORS(ret);
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count++;
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}
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libraw_close(iprc);
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printf("Processed %d files\n",count);
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return 0;
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}
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void usage(const char*p)
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{
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printf(
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"Options:\n"
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"-J n - set parrallel job coun (default 2)\n"
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"-v - verbose\n"
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"-w - use camera white balance\n"
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"-T - output TIFF instead of PPM\n"
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"-a - average image for white balance\n");
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exit(1);
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}
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int show_files(void *q)
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{
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char *p;
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int cnt = 0;
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while(p = get_next_file())
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{
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printf("%s\n",p);
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cnt++;
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}
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return cnt;
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}
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int main(int ac, char *av[])
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{
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int i,max_threads = 2;
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HANDLE *threads;
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DWORD ThreadID;
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if(ac<2)
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usage(av[0]);
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queue = calloc(ac-1,sizeof(queue[0]));
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for (i=1;i<ac;i++)
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{
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if(av[i][0]=='-')
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{
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if(av[i][1]=='w') use_camera_wb = 1;
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if(av[i][1]=='a') use_auto_wb = 1;
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if(av[i][1]=='v') verbose = 1;
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if(av[i][1]=='T') tiff_mode = 1;
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if(av[i][1]=='J')
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{
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max_threads=atoi(av[++i]);
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if(max_threads<1)
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{
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fprintf(stderr,"Job count should be at least 1\n");
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exit(1);
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}
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}
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}
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else
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queue[qsize++] = av[i];
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}
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qmutex = CreateMutex(NULL,FALSE,NULL);
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threads = calloc(max_threads,sizeof(threads[0]));
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for(i=0;i<max_threads;i++)
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{
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if (NULL == (threads[i] = CreateThread(
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NULL, // default security attributes
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0, // default stack size
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(LPTHREAD_START_ROUTINE) process_files,
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NULL, // no thread function arguments
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0, // default creation flags
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&ThreadID) // receive thread identifier
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)
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)
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{
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printf("CreateThread error: %d\n", GetLastError());
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return 1;
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}
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}
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WaitForMultipleObjects(max_threads, threads, TRUE, INFINITE);
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// Close thread and mutex handles
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for( i=0; i < max_threads; i++ )
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CloseHandle(threads[i]);
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CloseHandle(qmutex);
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return 0;
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}
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