libmtp: tracks.c

- Main Page
- Modules
- Data Structures
- Files
- Directories
- Examples

# tracks.c

    00001
    00023 #include "common.h"
    00024
    00025 static void dump_trackinfo(LIBMTP_track_t *track)
    00026 {
    00027   printf("Track ID: %u\n", track->item_id);
    00028   if (track->title != NULL)
    00029     printf("   Title: %s\n", track->title);
    00030   if (track->artist != NULL)
    00031     printf("   Artist: %s\n", track->artist);
    00032   if (track->genre != NULL)
    00033     printf("   Genre: %s\n", track->genre);
    00034   if (track->album != NULL)
    00035     printf("   Album: %s\n", track->album);
    00036   if (track->date != NULL)
    00037     printf("   Date: %s\n", track->date);
    00038   if (track->filename != NULL)
    00039     printf("   Origfilename: %s\n", track->filename);
    00040   printf("   Track number: %d\n", track->tracknumber);
    00041   printf("   Duration: %d milliseconds\n", track->duration);
    00042   printf("   File size %llu bytes\n", track->filesize);
    00043   printf("   Filetype: %s\n", LIBMTP_Get_Filetype_Description(track->filetype));
    00044   if (track->samplerate != 0) {
    00045     printf("   Sample rate: %u Hz\n", track->samplerate);
    00046   }
    00047   if (track->nochannels != 0) {
    00048     printf("   Number of channels: %u\n", track->nochannels);
    00049   }
    00050   if (track->wavecodec != 0) {
    00051     printf("   WAVE fourCC code: 0x%08X\n", track->wavecodec);
    00052   }
    00053   if (track->bitrate != 0) {
    00054     printf("   Bitrate: %u bits/s\n", track->bitrate);
    00055   }
    00056   if (track->bitratetype != 0) {
    00057     if (track->bitratetype == 1) {
    00058       printf("   Bitrate type: Constant\n");
    00059     } else if (track->bitratetype == 2) {
    00060       printf("   Bitrate type: Variable (VBR)\n");
    00061     } else if (track->bitratetype == 3) {
    00062       printf("   Bitrate type: Free\n");
    00063     } else {
    00064       printf("   Bitrate type: Unknown/Erroneous value\n");
    00065     }
    00066   }
    00067   if (track->rating != 0) {
    00068     printf("   User rating: %u (out of 100)\n", track->rating);
    00069   }
    00070   if (track->usecount != 0) {
    00071     printf("   Use count: %u times\n", track->usecount);
    00072   }
    00073 }
    00074
    00075 int main (int argc, char **argv)
    00076 {
    00077   LIBMTP_mtpdevice_t *device_list, *iter;
    00078   LIBMTP_track_t *tracks;
    00079
    00080   LIBMTP_Init();
    00081   fprintf(stdout, "Attempting to connect device(s)\n");
    00082
    00083   switch(LIBMTP_Get_Connected_Devices(&device_list))
    00084   {
    00085   case LIBMTP_ERROR_NO_DEVICE_ATTACHED:
    00086     fprintf(stdout, "mtp-folders: No Devices have been found\n");
    00087     return 0;
    00088   case LIBMTP_ERROR_CONNECTING:
    00089     fprintf(stderr, "mtp-folders: There has been an error connecting. Exit\n");
    00090     return 1;
    00091   case LIBMTP_ERROR_MEMORY_ALLOCATION:
    00092     fprintf(stderr, "mtp-folders: Memory Allocation Error. Exit\n");
    00093     return 1;
    00094
    00095   /* Unknown general errors - This should never execute */
    00096   case LIBMTP_ERROR_GENERAL:
    00097   default:
    00098     fprintf(stderr, "mtp-folders: Unknown error, please report "
    00099                     "this to the libmtp developers\n");
    00100   return 1;
    00101
    00102   /* Successfully connected at least one device, so continue */
    00103   case LIBMTP_ERROR_NONE:
    00104     fprintf(stdout, "mtp-folders: Successfully connected\n");
    00105     fflush(stdout);
    00106   }
    00107
    00108   /* iterate through connected MTP devices */
    00109   for(iter = device_list; iter != NULL; iter = iter->next)
    00110   {
    00111         char *friendlyname;
    00112     /* Echo the friendly name so we know which device we are working with */
    00113     friendlyname = LIBMTP_Get_Friendlyname(iter);
    00114     if (friendlyname == NULL) {
    00115       printf("Friendly name: (NULL)\n");
    00116     } else {
    00117       printf("Friendly name: %s\n", friendlyname);
    00118       free(friendlyname);
    00119     }
    00120
    00121           // Get track listing.
    00122           tracks = LIBMTP_Get_Tracklisting_With_Callback(iter, NULL, NULL);
    00123           if (tracks == NULL) {
    00124             printf("No tracks.\n");
    00125           } else {
    00126             LIBMTP_track_t *track, *tmp;
    00127             track = tracks;
    00128             while (track != NULL) {
    00129               dump_trackinfo(track);
    00130               tmp = track;
    00131               track = track->next;
    00132               LIBMTP_destroy_track_t(tmp);
    00133             }
    00134           }
    00135   }
    00136
    00137   LIBMTP_Release_Device_List(device_list);
    00138   printf("OK.\n");
    00139   exit (0);
    00140 }
    00141