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tiny_psnr: support unseekable raw files.

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If either one of the files if not seekable,
do not try to read headers.

It allows to use it with pipes on whole rawvideo data.
This commit is contained in:
Nicolas George 2012-04-15 14:20:42 +02:00
parent 93927eb334
commit e6f7e22d18
1 changed files with 6 additions and 2 deletions
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8
tests/tiny_psnr.c
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@ -114,10 +114,13 @@ static int run_psnr(FILE *f[2], int len, int shift, int skip_bytes)
int size0 = 0;
int size1 = 0;
int maxdist = 0;
int noseek;
rewind(f[0]);
rewind(f[1]);
noseek = fseek(f[0], 0, SEEK_SET) ||
fseek(f[1], 0, SEEK_SET);
if (!noseek) {
/* TODO reindent */
for (i = 0; i < 2; i++) {
uint8_t *p = buf[i];
if (fread(p, 1, 12, f[i]) != 12)
@ -141,6 +144,7 @@ static int run_psnr(FILE *f[2], int len, int shift, int skip_bytes)
fseek(f[0], skip_bytes, SEEK_CUR);
fseek(f[1], skip_bytes, SEEK_CUR);
}
for (;;) {
int s0 = fread(buf[0], 1, SIZE, f[0]);