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/* flac_mac - wedge utility to add FLAC support to Monkey's Audio
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2013 Xiph.Org Foundation
*
* 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.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* This program can be used to allow FLAC to masquerade as one of the other
* supported lossless codecs in Monkey's Audio. See the documentation for
* how to do this.
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<wtypes.h>
#include<process.h>
#include<winbase.h>
#include "share/compat.h"
#include "share/safe_str.h"
static int execit(char *prog, char *args);
static int forkit(char *prog, char *args);
int main(int argc, char *argv[])
{
int flac_return_val = 0, opt_arg = 1, from_arg = -1, to_arg = -1, flac_level = 5, i;
char prog[MAX_PATH], cmdline[MAX_PATH*2], from[MAX_PATH], to[MAX_PATH], macdir[MAX_PATH], options[256], *p;
enum { WAVPACK, RKAU, SHORTEN } codec;
/* get the directory where MAC external codecs reside */
if(0 != (p = strrchr(argv[0],'\\'))) {
safe_strncpy(macdir, argv[0], sizeof(macdir));
*(strrchr(macdir,'\\')+1) = '\0';
}
else {
safe_strncpy(macdir, "", sizeof(macdir));
}
/* determine which codec we were called as and parse the options */
if(p == 0)
p = argv[0];
else
p++;
if(0 == strnicmp(p, "short", 5)) {
codec = SHORTEN;
}
else if(0 == strnicmp(p, "rkau", 4)) {
codec = RKAU;
if(argv[1][0] == '-' && argv[1][1] == 'l') {
opt_arg = 2;
switch(argv[1][2]) {
case '1': flac_level = 1; break;
case '2': flac_level = 5; break;
case '3': flac_level = 8; break;
}
}
}
else if(0 == strnicmp(p, "wavpack", 7)) {
codec = WAVPACK;
if(argv[1][0] == '-') {
opt_arg = 2;
switch(argv[1][1]) {
case 'f': flac_level = 1; break;
case 'h': flac_level = 8; break;
default: opt_arg = 1;
}
}
}
else {
return -5;
}
/* figure out which arguments are the source and destination files */
for(i = 1; i < argc; i++)
if(argv[i][0] != '-') {
from_arg = i++;
break;
}
for( ; i < argc; i++)
if(argv[i][0] != '-') {
to_arg = i++;
break;
}
if(to_arg < 0)
return -4;
/* build the command to call flac with */
flac_snprintf(prog, sizeof (prog), "%sflac.exe", macdir);
flac_snprintf(options, sizeof (options), "-%d", flac_level);
for(i = opt_arg; i < argc; i++)
if(argv[i][0] == '-') {
safe_strncat(options, " ", sizeof(options));
safe_strncat(options, argv[i], sizeof(options));
}
flac_snprintf(cmdline, sizeof (cmdline), "\"%s\" %s -o \"%s\" \"%s\"", prog, options, argv[to_arg], argv[from_arg]);
flac_return_val = execit(prog, cmdline);
/*
* Now that flac has finished, we need to fork a process that will rename
* the resulting file with the correct extension once MAC has moved it to
* it's final resting place.
*/
if(0 == flac_return_val) {
char *cptr;
/* get the destination directory, if any */
if(0 != (p = strchr(argv[to_arg],'\\'))) {
safe_strncpy(from, argv[to_arg], sizeof(from));
*(strrchr(from,'\\')+1) = '\0';
}
else {
safe_strncpy(from, "", sizeof(from));
}
/* for the full 'from' and 'to' paths for the renamer process */
p = strrchr(argv[from_arg],'\\');
safe_strncat(from, p? p+1 : argv[from_arg], sizeof(from));
safe_strncpy(to, from, sizeof(to));
cptr = strrchr(from,'.');
if(cptr == NULL)
return -3;
cptr [0] = 0;
switch(codec) {
case SHORTEN:
safe_strncat(from, ".shn", sizeof (from));
break;
case WAVPACK:
safe_strncat(from, ".wv", sizeof (from));
break;
case RKAU:
safe_strncpy(from, ".rka", sizeof (from));
break;
default:
return -4;
}
cptr = strrchr(to,'.');
if(cptr == NULL)
return -3;
cptr [0] = 0;
safe_strncat(to, ".flac", sizeof(to));
flac_snprintf(prog, sizeof (prog), "%sflac_ren.exe", macdir);
flac_snprintf(cmdline, sizeof (cmdline), "\"%s\" \"%s\" \"%s\"", prog, from, to);
flac_return_val = forkit(prog, cmdline);
}
return flac_return_val;
}
int execit(char *prog, char *args)
{
BOOL ok;
STARTUPINFO startup_info;
PROCESS_INFORMATION proc_info;
GetStartupInfo(&startup_info);
ok = CreateProcess(
prog,
args,
0, /*process security attributes*/
0, /*thread security attributes*/
FALSE,
0, /*dwCreationFlags*/
0, /*environment*/
0, /*lpCurrentDirectory*/
&startup_info,
&proc_info
);
if(ok) {
DWORD dw;
dw = WaitForSingleObject(proc_info.hProcess, INFINITE);
ok = (dw != 0xFFFFFFFF);
CloseHandle(proc_info.hThread);
CloseHandle(proc_info.hProcess);
}
return ok? 0 : -1;
}
int forkit(char *prog, char *args)
{
BOOL ok;
STARTUPINFO startup_info;
PROCESS_INFORMATION proc_info;
GetStartupInfo(&startup_info);
ok = CreateProcess(
prog,
args,
0, /*process security attributes*/
0, /*thread security attributes*/
FALSE,
DETACHED_PROCESS, /*dwCreationFlags*/
0, /*environment*/
0, /*lpCurrentDirectory*/
&startup_info,
&proc_info
);
if(ok) {
CloseHandle(proc_info.hThread);
CloseHandle(proc_info.hProcess);
}
return ok? 0 : -2;
}
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