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
usage(void)37 static void usage(void) {
38 printf("Usage: thumb -i <fileid/trackid> <imagefile>\n");
39 exit(0);
40 }
41
main(int argc,char ** argv)42 int 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