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/******************************************************************************
* recordMyDesktop *
*******************************************************************************
* *
* Copyright (C) 2006,2007,2008 John Varouhakis *
* *
* *
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
******************************************************************************/
#include "config.h"
#include "rmd_cache.h"
#include "rmd_specsfile.h"
#include "rmd_types.h"
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
/**
*Construct an number postfixed name
*
* \param name base name
*
* \param newname modified name
*
* \n number to be used as a postfix
*
*/
static void rmdCacheFileN(char *name, char **newname, int n) { // Nth cache file
char numbuf[8];
strcpy(*newname, name);
strcat(*newname, ".");
snprintf(numbuf, 8, "%d", n);
strcat(*newname, numbuf);
}
int rmdSwapCacheFilesWrite(char *name, int n, gzFile *fp, FILE **ucfp) {
char *newname = malloc(strlen(name) + 10);
rmdCacheFileN(name, &newname, n);
if (*fp == NULL) {
fflush(*ucfp);
fclose(*ucfp);
*ucfp = fopen(newname, "wb");
} else {
gzflush(*fp, Z_FINISH);
gzclose(*fp);
*fp = gzopen(newname, "wb0f");
}
free(newname);
return ((*fp == NULL) && (*ucfp == NULL));
}
int rmdSwapCacheFilesRead(char *name, int n, gzFile *fp, FILE **ucfp) {
char *newname = malloc(strlen(name) + 10);
rmdCacheFileN(name, &newname, n);
if (*fp == NULL) {
fclose(*ucfp);
*ucfp = fopen(newname, "rb");
} else {
gzclose(*fp);
*fp = gzopen(newname, "rb");
}
free(newname);
return ((*fp == NULL) && (*ucfp == NULL));
}
int rmdPurgeCache(CacheData *cache_data_t, int sound) {
struct stat buff;
char *fname;
int exit_value = 0;
int nth_cache = 1;
fname = malloc(strlen(cache_data_t->imgdata) + 10);
strcpy(fname, cache_data_t->imgdata);
while (stat(fname, &buff) == 0) {
if (remove(fname)) {
fprintf(stderr, "Couldn't remove temporary file %s", cache_data_t->imgdata);
exit_value = 1;
}
rmdCacheFileN(cache_data_t->imgdata, &fname, nth_cache);
nth_cache++;
}
free(fname);
if (sound) {
if (remove(cache_data_t->audiodata)) {
fprintf(stderr, "Couldn't remove temporary file %s", cache_data_t->audiodata);
exit_value = 1;
}
}
if (remove(cache_data_t->specsfile)) {
fprintf(stderr, "Couldn't remove temporary file %s", cache_data_t->specsfile);
exit_value = 1;
}
if (remove(cache_data_t->projname)) {
fprintf(stderr, "Couldn't remove temporary directory %s", cache_data_t->projname);
exit_value = 1;
}
return exit_value;
}
void rmdInitCacheData(ProgData *pdata, EncData *enc_data_t, CacheData *cache_data_t) {
int width, height, offset_x, offset_y, pid;
char pidbuf[8];
//we set the buffer only since there's
//no need to initialize the encoder from now.
width = ((pdata->brwin.rrect.width + 15) >> 4) << 4;
height = ((pdata->brwin.rrect.height + 15) >> 4) << 4;
offset_x = ((width - pdata->brwin.rrect.width) / 2) & ~1;
offset_y = ((height - pdata->brwin.rrect.height) / 2) & ~1;
(pdata)->enc_data = enc_data_t;
enc_data_t->yuv.y = (unsigned char *)malloc(height*width);
enc_data_t->yuv.u = (unsigned char *)malloc(height*width/4);
enc_data_t->yuv.v = (unsigned char *)malloc(height*width/4);
enc_data_t->yuv.y_width = width;
enc_data_t->yuv.y_height = height;
enc_data_t->yuv.y_stride = width;
enc_data_t->yuv.uv_width = width/2;
enc_data_t->yuv.uv_height = height/2;
enc_data_t->yuv.uv_stride = width/2;
enc_data_t->x_offset = offset_x;
enc_data_t->y_offset = offset_y;
//now we set the cache files
(pdata)->cache_data = cache_data_t;
cache_data_t->workdir = (pdata->args).workdir;
pid = getpid();
snprintf( pidbuf, 8, "%d", pid );
//names are stored relatively to current dir(i.e. no chdir)
cache_data_t->projname = malloc(strlen(cache_data_t->workdir) + 12 + strlen(pidbuf) + 3);
//projname
strcpy(cache_data_t->projname, cache_data_t->workdir);
strcat(cache_data_t->projname, "/");
strcat(cache_data_t->projname, "rMD-session-");
strcat(cache_data_t->projname, pidbuf);
strcat(cache_data_t->projname, "/");
//image data
cache_data_t->imgdata = malloc(strlen(cache_data_t->projname) + 11);
strcpy(cache_data_t->imgdata, cache_data_t->projname);
strcat(cache_data_t->imgdata, "img.out");
//audio data
cache_data_t->audiodata = malloc(strlen(cache_data_t->projname) + 10);
strcpy(cache_data_t->audiodata, cache_data_t->projname);
strcat(cache_data_t->audiodata, "audio.pcm");
//specsfile
cache_data_t->specsfile = malloc(strlen(cache_data_t->projname) + 10);
strcpy(cache_data_t->specsfile, cache_data_t->projname);
strcat(cache_data_t->specsfile, "specs.txt");
//now that've got out buffers and our filenames we start
//creating the needed files
if (mkdir(cache_data_t->projname, 0777)) {
fprintf(stderr, "Could not create temporary directory %s !!!\n", cache_data_t->projname);
exit(13);
}
if (!pdata->args.zerocompression) {
cache_data_t->ifp = gzopen(cache_data_t->imgdata, "wb0f");
if (cache_data_t->ifp == NULL) {
fprintf(stderr, "Could not create temporary file %s !!!\n", cache_data_t->imgdata);
exit(13);
}
} else {
cache_data_t->uncifp = fopen(cache_data_t->imgdata, "wb0f");
if (cache_data_t->uncifp == NULL) {
fprintf(stderr, "Could not create temporary file %s !!!\n", cache_data_t->imgdata);
exit(13);
}
}
if (!pdata->args.nosound) {
cache_data_t->afp = fopen(cache_data_t->audiodata, "wb");
if (cache_data_t->afp == NULL) {
fprintf(stderr, "Could not create temporary file %s !!!\n", cache_data_t->audiodata);
exit(13);
}
}
if (rmdWriteSpecsFile(pdata)) {
fprintf(stderr, "Could not write specsfile %s !!!\n", cache_data_t->specsfile);
exit(13);
}
}
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