int _tmain(int argc, _TCHAR* argv[])
{
mpg123_handle *m;
int i;
if(argc < 2)
{
fprintf(stderr, "\nI will give you the estimated and exact sample lengths of MPEG audio files.\n");
fprintf(stderr, "\nUsage: %ls <mpeg audio file list>\n\n", argv[0]);
return -1;
}
mpg123_init();
m = mpg123_new(NULL, NULL);
mpg123_param(m, MPG123_RESYNC_LIMIT, -1, 0); /* New in library version 0.0.1 . */
for(i = 1; i < argc; ++i)
{
off_t a, b;
mpg123_topen(m, argv[i]);
a = mpg123_length(m);
mpg123_scan(m);
b = mpg123_length(m);
mpg123_tclose(m);
printf("File %i: estimated %li vs. scanned %li\n", i, (long)a, (long)b);
}
mpg123_delete(m);
mpg123_exit();
return 0;
}
int _tmain(int argc, _TCHAR* argv[])
{
mpg123_handle *m;
int i;
if (argc < 3)
{
fprintf(stderr, "\nI will give you the estimated and exact sample lengths of MPEG audio files.\n");
fprintf(stderr, "\nUsage: %s <mpeg audio file list>\n\n", argv[0]);
return -1;
}
mpg123_init();
m = mpg123_new(NULL, NULL);
mpg123_param(m, MPG123_RESYNC_LIMIT, -1, 0); /* New in library version 0.0.1 . */
off_t a, b;
if (MPG123_OK != mpg123_open_feed(m)) {
fprintf(stderr, "open feed failed");
return -1;
}
FILE* file = _tfopen(argv[1], TEXT("rb"));
if (!file) {
fprintf(stderr, "open file failed");
return -1;
}
_stat64i32 st = { 0 };
_tstat(argv[1], &st);
if (st.st_size <= 0) {
fprintf(stderr, "file size is zero");
return -1;
}
char* pDataBuf = new char[st.st_size];
memset(pDataBuf, 0, st.st_size);
if (st.st_size != fread(pDataBuf, 1, st.st_size, file)) {
fprintf(stderr, "read file error");
return -1;
}
if (MPG123_OK != mpg123_feed(m, (const unsigned char*)pDataBuf, st.st_size)) {
fprintf(stderr, "feed failed");
return -1;
}
// channels;
bool bSaved = false;
size_t nDone = 0;
int res = mpg123_decode(m, NULL, 0, NULL, 0, &nDone);
if (res == MPG123_NEW_FORMAT) {
long rate = 0;
int channels = 0;
int enc = 0;
mpg123_getformat(m, &rate, &channels, &enc);
if (MPG123_ENC_SIGNED_16 == enc) {
int nSamples = mpg123_length(m);
int nBufCount = nSamples * channels;
int nBufSize = nBufCount * sizeof(short);
short* pBuf = new short[nBufCount];
res = mpg123_decode(m, NULL, 0, (unsigned char*)pBuf, nBufSize, &nDone);
if (res == MPG123_OK) {
KWavFile file;
file.Init(pBuf, nDone, rate, "");
file.Save(CT2A(argv[2]));
bSaved = true;
}
if (pBuf) {
delete[] pBuf;
pBuf = NULL;
}
}
}
mpg123_tclose(m);
mpg123_delete(m);
mpg123_exit();
return 0;
}
