Benny Prijono | 1dc0da7 | 2009-04-18 00:12:13 +0000 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | |
| 3 | int main(int argc, char *argv[]) |
| 4 | { |
| 5 | FILE *in, *out; |
| 6 | char frm[2]; |
| 7 | unsigned count; |
| 8 | |
| 9 | if (argc != 3) { |
| 10 | puts("Usage: swapendian input.pcm OUTPUT.PCM"); |
| 11 | return 1; |
| 12 | } |
| 13 | |
| 14 | in = fopen(argv[1], "rb"); |
| 15 | if (!in) { |
| 16 | puts("Open error"); |
| 17 | return 1; |
| 18 | } |
| 19 | |
| 20 | out = fopen(argv[2], "wb"); |
| 21 | if (!out) { |
| 22 | puts("Open error"); |
| 23 | fclose(in); |
| 24 | return 1; |
| 25 | } |
| 26 | |
| 27 | count = 0; |
| 28 | for (;;) { |
| 29 | char tmp; |
| 30 | |
| 31 | if (fread(frm, 2, 1, in) != 1) |
| 32 | break; |
| 33 | |
| 34 | tmp = frm[0]; |
| 35 | frm[0] = frm[1]; |
| 36 | frm[1] = tmp; |
| 37 | |
| 38 | if (fwrite(frm, 2, 1, out) != 1) { |
| 39 | puts("Write error"); |
| 40 | break; |
| 41 | } |
| 42 | |
| 43 | ++count; |
| 44 | } |
| 45 | |
| 46 | printf("%d samples converted\n", count); |
| 47 | |
| 48 | fclose(in); |
| 49 | fclose(out); |
| 50 | |
| 51 | return 0; |
| 52 | } |
| 53 | |
| 54 | |