1/**
2 * \file thumb.c
3 * Example program to send and associate album art to an entity
4 * on a device.
5 *
6 * Copyright (C) 2006 Robert Reardon <rreardon@monkshatch.vispa.com>
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
22 */
23#include "config.h"
24#include "common.h"
25#include "string.h"
26#include <fcntl.h>
27#include <errno.h>
28#include <stdlib.h>
29#include <unistd.h>
30#include <limits.h>
31#include <sys/types.h>
32#ifdef HAVE_SYS_UIO_H
33#include <sys/uio.h>
34#endif
35#include <sys/stat.h>
36
37static void usage(void) {
38  printf("Usage: thumb -i <fileid/trackid> <imagefile>\n");
39  exit(0);
40}
41
42int main (int argc, char **argv) {
43  int opt;
44  extern int optind;
45  extern char *optarg;
46  LIBMTP_mtpdevice_t *device = NULL;
47  int fd;
48  uint32_t id = 0;
49  uint64_t filesize;
50  uint8_t *imagedata = NULL;
51  char *path = NULL;
52  char *rest;
53  struct stat statbuff;
54  int ret;
55
56  fprintf(stdout, "libmtp version: " LIBMTP_VERSION_STRING "\n\n");
57
58  while ( (opt = getopt(argc, argv, "hi:")) != -1 ) {
59    switch (opt) {
60    case 'h':
61      usage();
62    case 'i':
63      id = strtoul(optarg, &rest, 0);
64      break;
65    default:
66      usage();
67    }
68  }
69  argc -= optind;
70  argv += optind;
71
72  if ( argc != 1 ) {
73    printf("You need to pass a filename.\n");
74    usage();
75  }
76
77  path = argv[0];
78
79  if ( stat(path, &statbuff) == -1 ) {
80    fprintf(stderr, "%s: ", path);
81    perror("stat");
82    exit(1);
83  }
84  filesize = (uint64_t) statbuff.st_size;
85  imagedata = malloc(filesize * sizeof(uint16_t));
86
87#ifdef __WIN32__
88  if ( (fd = open(path, O_RDONLY|O_BINARY) == -1) ) {
89#else
90  if ( (fd = open(path, O_RDONLY)) == -1) {
91#endif
92    printf("Couldn't open image file %s (%s)\n",path,strerror(errno));
93    return 1;
94  }
95  else {
96    read(fd, imagedata, filesize);
97    close(fd);
98  }
99
100  LIBMTP_Init();
101  device = LIBMTP_Get_First_Device();
102  if (device == NULL) {
103    printf("No devices.\n");
104    return 0;
105  }
106
107  LIBMTP_filesampledata_t *thumb = LIBMTP_new_filesampledata_t();
108
109  int i;
110  thumb->data = malloc(sizeof(uint16_t) * filesize);
111  for (i = 0; i < filesize; i++) {
112    thumb->data[i] = imagedata[i];
113  }
114
115  thumb->size = filesize;
116  thumb->filetype = LIBMTP_FILETYPE_JPEG;
117
118  ret = LIBMTP_Send_Representative_Sample(device,id,thumb);
119  if (ret != 0) {
120    printf("Couldn't send thumbnail\n");
121    LIBMTP_Dump_Errorstack(device);
122    LIBMTP_Clear_Errorstack(device);
123  }
124
125  free(imagedata);
126  LIBMTP_destroy_filesampledata_t(thumb);
127
128  LIBMTP_Release_Device(device);
129  printf("OK.\n");
130  return 0;
131}
132