diplodocus.org Git - flac-archive/blob - apic-read.cc

   1 #include <sys/stat.h>
   2 #include <sys/types.h>
   3
   4 #include <fcntl.h>
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8
   9 #include <attachedpictureframe.h>
  10 #include <id3v2tag.h>
  11 #include <mpegfile.h>
  12
  13 // some demo apic reading code; would be nice to save all APIC frames.
  14
  15 using TagLib::ID3v2::Tag;
  16 using TagLib::ID3v2::FrameList;
  17 using TagLib::ID3v2::AttachedPictureFrame;
  18
  19 int
  20 main(int argc, char **argv)
  21 {
  22     const char *mp3_path = argv[1];
  23     TagLib::MPEG::File f(mp3_path);
  24     Tag *id3v2tag = f.ID3v2Tag();
  25     if (!id3v2tag) {
  26         return 0;
  27     }
  28     const FrameList &frames = id3v2tag->frameList();
  29     FrameList::ConstIterator it;
  30     for (it = frames.begin(); it != frames.end(); it++) {
  31         TagLib::ByteVector frameid = (*it)->frameID();
  32         uint frameid_size = frameid.size();
  33         char *frameid_s = new char[frameid_size + 1];
  34         memcpy(frameid_s, frameid.data(), frameid_size);
  35         frameid_s[frameid_size] = '\0';
  36         printf("%s: %s\n", frameid_s, (*it)->toString().toCString());
  37         if (frameid != "APIC") {
  38             continue;
  39         }
  40         AttachedPictureFrame *frame = (AttachedPictureFrame *)(*it);
  41         TagLib::ByteVector data = frame->picture();
  42         int fd = open(argv[2], O_CREAT | O_WRONLY);
  43         if (fd < 0) {
  44             perror("open");
  45             return 2;
  46         }
  47         ssize_t size = data.size();
  48         ssize_t status = write(fd, data.data(), size);
  49         if (status < 0) {
  50             perror("write");
  51             return 3;
  52         }
  53         if (status != size) {
  54             fprintf(stderr, "wrote only %d bytes out of %d\n", status, size);
  55             return 4;
  56         }
  57         if (close(fd) < 0) {
  58             perror("close");
  59             return 5;
  60         }
  61     }
  62
  63   return 0;
  64 }