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::AttachedPictureFrame;
  16 using TagLib::ID3v2::Frame;
  17 using TagLib::ID3v2::FrameList;
  18 using TagLib::ID3v2::Tag;
  19
  20 int
  21 main(int argc, char **argv)
  22 {
  23     const char *mp3_path = argv[1];
  24     TagLib::MPEG::File f(mp3_path);
  25     Tag *id3v2tag = f.ID3v2Tag();
  26     if (!id3v2tag) {
  27         return 0;
  28     }
  29     const FrameList &frames = id3v2tag->frameList();
  30     FrameList::ConstIterator it;
  31     for (it = frames.begin(); it != frames.end(); it++) {
  32         Frame *frame = *it;
  33         TagLib::ByteVector frameid = frame->frameID();
  34         uint frameid_size = frameid.size();
  35         char *frameid_s = new char[frameid_size + 1];
  36         memcpy(frameid_s, frameid.data(), frameid_size);
  37         frameid_s[frameid_size] = '\0';
  38         printf("%s: %s\n", frameid_s, frame->toString().toCString());
  39         if (frameid != "APIC") {
  40             continue;
  41         }
  42         AttachedPictureFrame *pic_frame = (AttachedPictureFrame *)frame;
  43         TagLib::ByteVector data = pic_frame->picture();
  44         int fd = open(argv[2], O_CREAT | O_WRONLY);
  45         if (fd < 0) {
  46             perror("open");
  47             return 2;
  48         }
  49         ssize_t size = data.size();
  50         ssize_t status = write(fd, data.data(), size);
  51         if (status < 0) {
  52             perror("write");
  53             return 3;
  54         }
  55         if (status != size) {
  56             fprintf(stderr, "wrote only %d bytes out of %d\n", status, size);
  57             return 4;
  58         }
  59         if (close(fd) < 0) {
  60             perror("close");
  61             return 5;
  62         }
  63     }
  64
  65   return 0;
  66 }