diff options
Diffstat (limited to 'gst-libs/gst/idct/ieeetest.c')
| -rw-r--r-- | gst-libs/gst/idct/ieeetest.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/gst-libs/gst/idct/ieeetest.c b/gst-libs/gst/idct/ieeetest.c index d26181c1..7af101e6 100644 --- a/gst-libs/gst/idct/ieeetest.c +++ b/gst-libs/gst/idct/ieeetest.c @@ -52,10 +52,10 @@ main (int argc, char **argv) int i, j; double max, total; int method; - DCTELEM block[DCTSIZE2]; /* random source data */ - DCTELEM refcoefs[DCTSIZE2]; /* coefs from reference FDCT */ - DCTELEM refout[DCTSIZE2]; /* output from reference IDCT */ - DCTELEM testout[DCTSIZE2]; /* output from test IDCT */ + DCTELEM block[DCTSIZE2]; /* random source data */ + DCTELEM refcoefs[DCTSIZE2]; /* coefs from reference FDCT */ + DCTELEM refout[DCTSIZE2]; /* output from reference IDCT */ + DCTELEM testout[DCTSIZE2]; /* output from test IDCT */ GstIDCT *idct; guint64 tscstart, tscmin = ~0, tscmax = 0; guint64 tscstop; @@ -96,9 +96,9 @@ main (int argc, char **argv) /* clip */ for (i = 0; i < DCTSIZE2; i++) { if (refcoefs[i] < -2048) - refcoefs[i] = -2048; + refcoefs[i] = -2048; else if (refcoefs[i] > 2047) - refcoefs[i] = 2047; + refcoefs[i] = 2047; } /* perform reference IDCT */ @@ -107,17 +107,17 @@ main (int argc, char **argv) /* clip */ for (i = 0; i < DCTSIZE2; i++) { if (refout[i] < -256) - refout[i] = -256; + refout[i] = -256; else if (refout[i] > 255) - refout[i] = 255; + refout[i] = 255; } /* perform test IDCT */ if (GST_IDCT_TRANSPOSE (idct)) { for (j = 0; j < DCTSIZE; j++) { - for (i = 0; i < DCTSIZE; i++) { - testout[i * DCTSIZE + j] = refcoefs[j * DCTSIZE + i]; - } + for (i = 0; i < DCTSIZE; i++) { + testout[i * DCTSIZE + j] = refcoefs[j * DCTSIZE + i]; + } } } else { memcpy (testout, refcoefs, sizeof (DCTELEM) * DCTSIZE2); @@ -135,9 +135,9 @@ main (int argc, char **argv) /* clip */ for (i = 0; i < DCTSIZE2; i++) { if (testout[i] < -256) - testout[i] = -256; + testout[i] = -256; else if (testout[i] > 255) - testout[i] = 255; + testout[i] = 255; } /* accumulate error stats */ @@ -147,9 +147,9 @@ main (int argc, char **argv) sumerrs[i] += err; sumsqerrs[i] += err * err; if (err < 0) - err = -err; + err = -err; if (maxerr[i] < err) - maxerr[i] = err; + maxerr[i] = err; } if (curiter % 100 == 99) { @@ -290,7 +290,7 @@ dct_init (void) for (b = 0; b < 8; b++) { tmp = cos ((double) ((a + a + 1) * b) * (3.14159265358979323846 / 16.0)); if (b == 0) - tmp /= sqrt (2.0); + tmp /= sqrt (2.0); coslu[a][b] = tmp * 0.5; } } @@ -307,11 +307,11 @@ ref_fdct (DCTELEM block[8][8]) for (u = 0; u < 8; u++) { tmp = 0.0; for (y = 0; y < 8; y++) { - tmp2 = 0.0; - for (x = 0; x < 8; x++) { - tmp2 += (double) block[y][x] * coslu[x][u]; - } - tmp += coslu[y][v] * tmp2; + tmp2 = 0.0; + for (x = 0; x < 8; x++) { + tmp2 += (double) block[y][x] * coslu[x][u]; + } + tmp += coslu[y][v] * tmp2; } res[v][u] = tmp; } @@ -321,9 +321,9 @@ ref_fdct (DCTELEM block[8][8]) for (u = 0; u < 8; u++) { tmp = res[v][u]; if (tmp < 0.0) { - x = -((int) (0.5 - tmp)); + x = -((int) (0.5 - tmp)); } else { - x = (int) (tmp + 0.5); + x = (int) (tmp + 0.5); } block[v][u] = (DCTELEM) x; } @@ -342,11 +342,11 @@ ref_idct (DCTELEM block[8][8]) for (x = 0; x < 8; x++) { tmp = 0.0; for (v = 0; v < 8; v++) { - tmp2 = 0.0; - for (u = 0; u < 8; u++) { - tmp2 += (double) block[v][u] * coslu[x][u]; - } - tmp += coslu[y][v] * tmp2; + tmp2 = 0.0; + for (u = 0; u < 8; u++) { + tmp2 += (double) block[v][u] * coslu[x][u]; + } + tmp += coslu[y][v] * tmp2; } res[y][x] = tmp; } @@ -356,9 +356,9 @@ ref_idct (DCTELEM block[8][8]) for (u = 0; u < 8; u++) { tmp = res[v][u]; if (tmp < 0.0) { - x = -((int) (0.5 - tmp)); + x = -((int) (0.5 - tmp)); } else { - x = (int) (tmp + 0.5); + x = (int) (tmp + 0.5); } block[v][u] = (DCTELEM) x; } |