libmtp: playlists.c

# playlists.c

    #include "common.h"
    #include <stdlib.h>

    static void dump_plinfo(LIBMTP_mtpdevice_t *device, LIBMTP_playlist_t *pl)
    {
      uint32_t i;

      printf("Playlist ID: %d\n", pl->playlist_id);
      if (pl->name != NULL)
        printf("   Name: %s\n", pl->name);
      printf("   Parent ID: %d\n", pl->parent_id);
      printf("   Tracks:\n");

      for (i = 0; i < pl->no_tracks; i++) {
        LIBMTP_track_t *track;

        track = LIBMTP_Get_Trackmetadata(device, pl->tracks[i]);
        if (track != NULL) {
          printf("      %u: %s - %s\n", pl->tracks[i], track->artist, track->title);
          LIBMTP_destroy_track_t(track);
        } else {
          printf("      %u: INVALID TRACK REFERENCE!\n", pl->tracks[i]);
          LIBMTP_Dump_Errorstack(device);
          LIBMTP_Clear_Errorstack(device);
        }
      }
    }

    int main (int argc, char **argv)
    {
      LIBMTP_mtpdevice_t *device;
      LIBMTP_playlist_t *playlists;

      fprintf(stdout, "libmtp version: " LIBMTP_VERSION_STRING "\n\n");

      LIBMTP_Init();
      device = LIBMTP_Get_First_Device();
      if (device == NULL) {
        printf("No devices.\n");
        exit (0);
      }

      // Get playlist listing.
      playlists = LIBMTP_Get_Playlist_List(device);
      if (playlists == NULL) {
        printf("No playlists.\n");
      } else {
        LIBMTP_playlist_t *pl, *tmp;
        pl = playlists;
        while (pl != NULL) {
          dump_plinfo(device, pl);
          tmp = pl;
          pl = pl->next;
          LIBMTP_destroy_playlist_t(tmp);
        }
      }

      LIBMTP_Release_Device(device);
      printf("OK.\n");
      exit (0);
    }