Some improvements and fixes - blind - suckless command-line video editing utility
HTML git clone git://git.suckless.org/blind
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit 3569a10c97d41913dbf7cf3114cb4d2d5f17dc7f
DIR parent 48ca891887e8260be43ae641b35c4129fd4d2093
HTML Author: Mattias Andrée <maandree@kth.se>
Date: Sat, 15 Jul 2017 17:08:02 +0200
Some improvements and fixes
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat:
M TODO | 2 ++
M man/blind-invert-matrix.1 | 5 -----
M src/blind-apply-palette.c | 4 ----
M src/blind-chroma-key.c | 2 --
M src/blind-colour-ciexyz.c | 2 +-
M src/blind-colour-srgb.c | 2 +-
M src/blind-cone-gradient.c | 2 --
M src/blind-cross-product.c | 4 ++--
M src/blind-dot-product.c | 22 ++++++++++++----------
M src/blind-double-sine-wave.c | 54 +++++++++++---------------------
M src/blind-extract-alpha.c | 23 +++++++++++------------
M src/blind-find-rectangle.c | 4 ++--
M src/blind-from-portable.c | 14 +++++++-------
M src/blind-from-text.c | 12 ++++++------
M src/blind-get-colours.c | 5 -----
M src/blind-invert-matrix.c | 32 +++++++++++++++----------------
M src/blind-linear-gradient.c | 2 --
M src/blind-matrix-orthoproject.c | 20 +++++++++++---------
M src/blind-matrix-reflect.c | 20 +++++++++++---------
M src/blind-matrix-rotate.c | 22 ++++++++++++----------
M src/blind-matrix-scale.c | 18 +++++++++++-------
M src/blind-matrix-shear.c | 20 ++++++++++++--------
M src/blind-matrix-translate.c | 18 +++++++++++-------
M src/blind-matrix-transpose.c | 15 ++++++++-------
M src/blind-multiply-matrices.c | 11 ++++++-----
M src/blind-norm.c | 2 --
M src/blind-premultiply.c | 2 --
M src/blind-quaternion-product.c | 4 ++--
M src/blind-radial-gradient.c | 2 --
M src/blind-round-wave.c | 47 +++++++++++--------------------
M src/blind-sawtooth-wave.c | 40 +++++++++++--------------------
M src/blind-sinc-wave.c | 6 ++----
M src/blind-sine-wave.c | 54 +++++++++++---------------------
M src/blind-spectrum.c | 2 --
M src/blind-spiral-gradient.c | 2 --
M src/blind-square-gradient.c | 2 --
M src/blind-time-blur.c | 16 ++++++++--------
M src/blind-to-portable.c | 14 +++++++-------
M src/blind-to-text.c | 21 +++++++++------------
M src/blind-triangular-wave.c | 58 +++++++++++--------------------
M src/blind-unpremultiply.c | 2 --
M src/stream.c | 38 +++++++++++++++++++------------
M src/stream.h | 21 ++++++++++++++++++---
43 files changed, 297 insertions(+), 371 deletions(-)
---
DIR diff --git a/TODO b/TODO
@@ -1,3 +1,5 @@
+Fix blind-from-named without command
+
blind-transform affine transformation by matrix multiplication, -t for tiling, -s for
improve quality on downscaling (pixels' neighbours must not change).
blind-primary-key replace a primary with transparency, -g for greyscaled images.
DIR diff --git a/man/blind-invert-matrix.1 b/man/blind-invert-matrix.1
@@ -21,11 +21,6 @@ resuling augment is printed.
.B -e
Apply optimisation that assumes all channels
are identical.
-.SH NOTES
-.B blind-invert-matrix
-fails if it encounters a non-invertable
-matrix, however, this is not always the
-case.
.SH SEE ALSO
.BR blind (7),
.BR blind-multiply-matrices (1),
DIR diff --git a/src/blind-apply-palette.c b/src/blind-apply-palette.c
@@ -3,11 +3,9 @@
USAGE("palette-stream")
-
static double (*compare)(double x1, double y1, double z1, double a1, double x2, double y2, double z2, double a2);
/* TODO add more formulae: https://en.wikipedia.org/wiki/Color_difference */
-
static double
distance_xyz(double x1, double y1, double z1, double a1, double x2, double y2, double z2, double a2)
{
@@ -18,7 +16,6 @@ distance_xyz(double x1, double y1, double z1, double a1, double x2, double y2, d
return sqrt(x2 + y2 + z2 + a2);
}
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream, struct stream *palette, char *pal)\
@@ -69,7 +66,6 @@ distance_xyz(double x1, double y1, double z1, double a1, double x2, double y2, d
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-chroma-key.c b/src/blind-chroma-key.c
@@ -3,7 +3,6 @@
USAGE("key-stream")
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream, struct stream *key)\
@@ -61,7 +60,6 @@ USAGE("key-stream")
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-colour-ciexyz.c b/src/blind-colour-ciexyz.c
@@ -14,7 +14,7 @@ main(int argc, char *argv[])
Y = etolf_arg("the Y value", argv[0]);
X = Y * D65_XYZ_X;
Z = Y * D65_XYZ_Z;
- printf("%lf %lf %lf\n", X, Y, Z);
+ printf("%.50lf %.50lf %.50lf\n", X, Y, Z);
} else if (argc == 3) {
printf("%s %s %s\n", argv[0], argv[1], argv[2]);
} else {
DIR diff --git a/src/blind-colour-srgb.c b/src/blind-colour-srgb.c
@@ -36,7 +36,7 @@ main(int argc, char *argv[])
}
srgb_to_ciexyz(red, green, blue, &X, &Y, &Z);
- printf("%lf %lf %lf\n", X, Y, Z);
+ printf("%.50lf %.50lf %.50lf\n", X, Y, Z);
efshut(stdout, "<stdout>");
return 0;
}
DIR diff --git a/src/blind-cone-gradient.c b/src/blind-cone-gradient.c
@@ -9,7 +9,6 @@ static size_t width = 0;
static size_t height = 0;
static int with_multiplier = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
@@ -74,7 +73,6 @@ static int with_multiplier = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-cross-product.c b/src/blind-cross-product.c
@@ -39,9 +39,9 @@ main(int argc, char *argv[])
eopen_stream(&left, NULL);
eopen_stream(&right, argv[0]);
- if (!strcmp(left.pixfmt, "xyza"))
+ if (left.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(left.pixfmt, "xyza f"))
+ else if (left.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", left.pixfmt);
DIR diff --git a/src/blind-dot-product.c b/src/blind-dot-product.c
@@ -7,14 +7,16 @@ USAGE("right-hand-stream")
static void\
process_##SUFFIX(struct stream *left, struct stream *right, size_t n)\
{\
- size_t i;\
- TYPE *lx, *ly, *lz, *la, *rx, *ry, *rz, *ra;\
- for (i = 0; i < n; i += 4 * sizeof(TYPE)) {\
- lx = ((TYPE *)(left->buf + i)) + 0, rx = ((TYPE *)(right->buf + i)) + 0;\
- ly = ((TYPE *)(left->buf + i)) + 1, ry = ((TYPE *)(right->buf + i)) + 1;\
- lz = ((TYPE *)(left->buf + i)) + 2, rz = ((TYPE *)(right->buf + i)) + 2;\
- la = ((TYPE *)(left->buf + i)) + 3, ra = ((TYPE *)(right->buf + i)) + 3;\
- *lx = *ly = *lz = *la = *lx * *rx + *ly * *ry + *lz * *rz + *la * *ra;\
+ size_t i, j, s = left->n_chan * sizeof(TYPE);\
+ TYPE v, *l, *r;\
+ for (i = 0; i < n; i += s) {\
+ l = (TYPE *)(left->buf + i);\
+ r = (TYPE *)(right->buf + i);\
+ v = 0;\
+ for (j = 0; j < left->n_chan; j++)\
+ v += l[j] * r[j];\
+ for (j = 0; j < left->n_chan; j++)\
+ l[j] = v;\
}\
}
@@ -32,9 +34,9 @@ main(int argc, char *argv[])
eopen_stream(&left, NULL);
eopen_stream(&right, argv[0]);
- if (!strcmp(left.pixfmt, "xyza"))
+ if (left.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(left.pixfmt, "xyza f"))
+ else if (left.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", left.pixfmt);
DIR diff --git a/src/blind-double-sine-wave.c b/src/blind-double-sine-wave.c
@@ -5,51 +5,34 @@ USAGE("[-e]")
static int equal = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
{\
- size_t i, n;\
- TYPE x, y, z, a;\
+ size_t i, j, n;\
+ TYPE v, *p;\
do {\
- n = stream->ptr / stream->pixel_size;\
if (equal) {\
+ n = stream->ptr / stream->pixel_size;\
for (i = 0; i < n; i++) {\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- a = posmod(a, (TYPE)2);\
- a = a > 1 ? 2 - a : a;\
- a = 1 - (sin(a * (2 * (TYPE)M_PI)) + 1) / 2;\
- ((TYPE *)(stream->buf))[4 * i + 0] = a;\
- ((TYPE *)(stream->buf))[4 * i + 1] = a;\
- ((TYPE *)(stream->buf))[4 * i + 2] = a;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ p = (TYPE *)(stream->buf) + i * stream->n_chan;\
+ v = posmod(*p, (TYPE)2);\
+ v = v > 1 ? 2 - v : v;\
+ v = 1 - (sin(v * (2 * (TYPE)M_PI)) + 1) / 2;\
+ for (j = 0; j < stream->n_chan; j++)\
+ p[j] = v;\
}\
+ n *= stream->pixel_size;\
} else {\
+ n = stream->ptr / stream->chan_size;\
for (i = 0; i < n; i++) {\
- x = ((TYPE *)(stream->buf))[4 * i + 0];\
- y = ((TYPE *)(stream->buf))[4 * i + 1];\
- z = ((TYPE *)(stream->buf))[4 * i + 2];\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- x = posmod(x, (TYPE)1);\
- y = posmod(y, (TYPE)1);\
- z = posmod(z, (TYPE)1);\
- a = posmod(a, (TYPE)1);\
- x = x > 1 ? 2 - x : x;\
- y = y > 1 ? 2 - y : y;\
- z = z > 1 ? 2 - z : z;\
- a = a > 1 ? 2 - a : a;\
- x = 1 - (sin(x * (2 * (TYPE)M_PI)) + 1) / 2;\
- y = 1 - (sin(y * (2 * (TYPE)M_PI)) + 1) / 2;\
- z = 1 - (sin(z * (2 * (TYPE)M_PI)) + 1) / 2;\
- a = 1 - (sin(a * (2 * (TYPE)M_PI)) + 1) / 2;\
- ((TYPE *)(stream->buf))[4 * i + 0] = x;\
- ((TYPE *)(stream->buf))[4 * i + 1] = y;\
- ((TYPE *)(stream->buf))[4 * i + 2] = z;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ p = (TYPE *)(stream->buf) + i;\
+ v = posmod(*p, (TYPE)2);\
+ v = v > 1 ? 2 - v : v;\
+ *p = 1 - (sin(v * (2 * (TYPE)M_PI)) + 1) / 2;\
}\
+ n *= stream->chan_size;\
}\
- n *= stream->pixel_size;\
ewriteall(STDOUT_FILENO, stream->buf, n, "<stdout>");\
memmove(stream->buf, stream->buf + n, stream->ptr -= n);\
} while (eread_stream(stream, SIZE_MAX));\
@@ -60,7 +43,6 @@ static int equal = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
@@ -80,9 +62,9 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-extract-alpha.c b/src/blind-extract-alpha.c
@@ -8,17 +8,17 @@ USAGE("colour-file")
process_##SUFFIX(struct stream *stream, int fd, const char *fname)\
{\
char buf[sizeof(stream->buf)];\
- size_t i, n;\
- TYPE a;\
+ size_t i, j, n;\
+ TYPE a, *p, *b;\
do {\
n = stream->ptr / stream->pixel_size;\
- for (i = 0; i < n; i++) {\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- ((TYPE *)(stream->buf))[4 * i + 3] = 1;\
- ((TYPE *)buf)[4 * i + 0] = a;\
- ((TYPE *)buf)[4 * i + 1] = a;\
- ((TYPE *)buf)[4 * i + 2] = a;\
- ((TYPE *)buf)[4 * i + 3] = 1;\
+ p = (TYPE *)(stream->buf) + stream->n_chan - 1;\
+ b = (TYPE *)buf;\
+ for (i = 0; i < n; i++, p += stream->n_chan) {\
+ a = *p, *p = 1;\
+ for (j = stream->n_chan - 1; j--;)\
+ *b++ = a;\
+ *b++ = 1;\
}\
n *= stream->pixel_size;\
ewriteall(fd, stream->buf, n, fname);\
@@ -32,7 +32,6 @@ USAGE("colour-file")
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
@@ -45,9 +44,9 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
fd = eopen(argv[0], O_WRONLY | O_CREAT | O_TRUNC, 0666);
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-find-rectangle.c b/src/blind-find-rectangle.c
@@ -111,13 +111,13 @@ main(int argc, char *argv[])
cache = emalloc2(stream.width + 1, sizeof(*cache));
buf = emalloc(stream.row_size);
- if (!strcmp(stream.pixfmt, "xyza")) {
+ if (stream.encoding == DOUBLE) {
colour_lf[0] = X;
colour_lf[1] = Y;
colour_lf[2] = Z;
colour_lf[3] = alpha;
process(colour_lf);
- } else if (!strcmp(stream.pixfmt, "xyza f")) {
+ } else if (stream.encoding == FLOAT) {
colour_f[0] = (float)X;
colour_f[1] = (float)Y;
colour_f[2] = (float)Z;
DIR diff --git a/src/blind-from-portable.c b/src/blind-from-portable.c
@@ -72,10 +72,10 @@ USAGE("[-s]")
} while (0)
static double conv_double(uint64_t portable) {CONV(uint64_t, int64_t, double, 11, 1023, 52);}
-static float conv_float (uint32_t portable) {CONV(uint32_t, int32_t, float, 8, 127, 23);}
+static float conv_float (uint32_t portable) {CONV(uint32_t, int32_t, float, 8, 127, 23);}
-static void process_xyza (struct stream *stream, int strict) {PROCESS(uint64_t, double, 64);}
-static void process_xyzaf(struct stream *stream, int strict) {PROCESS(uint32_t, float, 32);}
+static void process_lf(struct stream *stream, int strict) {PROCESS(uint64_t, double, 64);}
+static void process_f (struct stream *stream, int strict) {PROCESS(uint32_t, float, 32);}
int
main(int argc, char *argv[])
@@ -96,10 +96,10 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
- if (!strcmp(stream.pixfmt, "xyza"))
- process = process_xyza;
- else if (!strcmp(stream.pixfmt, "xyza f"))
- process = process_xyzaf;
+ if (stream.encoding == DOUBLE)
+ process = process_lf;
+ else if (stream.encoding == FLOAT)
+ process = process_f;
else
eprintf("pixel format %s is not supported\n", stream.pixfmt);
DIR diff --git a/src/blind-from-text.c b/src/blind-from-text.c
@@ -20,8 +20,8 @@ USAGE("")
}\
} while (0)
-static void process_xyza (void) {PROCESS(double, "lf");}
-static void process_xyzaf(void) {PROCESS(float, "f");}
+static void process_lf(void) { PROCESS(double, "lf"); }
+static void process_f(void) { PROCESS(float, "f"); }
int
main(int argc, char *argv[])
@@ -54,10 +54,10 @@ main(int argc, char *argv[])
ewriteall(STDOUT_FILENO, stream.buf, stream.ptr, "<stdout>");
einit_stream(&stream);
- if (!strcmp(stream.pixfmt, "xyza"))
- process = process_xyza;
- else if (!strcmp(stream.pixfmt, "xyza f"))
- process = process_xyzaf;
+ if (stream.encoding == DOUBLE)
+ process = process_lf;
+ else if (stream.encoding == FLOAT)
+ process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-get-colours.c b/src/blind-get-colours.c
@@ -3,17 +3,14 @@
USAGE("")
-
static size_t width;
-
static int
pixcmp(const void *a, const void *b)
{
return memcmp(a, b, width);
}
-
static size_t
unique(char *base, size_t n)
{
@@ -24,7 +21,6 @@ unique(char *base, size_t n)
return r;
}
-
static size_t
merge(char **sink, size_t n, char *new, size_t m, size_t *siz)
{
@@ -52,7 +48,6 @@ merge(char **sink, size_t n, char *new, size_t m, size_t *siz)
return n + m;
}
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-invert-matrix.c b/src/blind-invert-matrix.c
@@ -10,7 +10,7 @@ static int equal = 0;
p2 = matrix + r2 * cn;\
t = p2[r1][0];\
for (c = 0; c < cn; c++)\
- p1[c][0] -= p2[c][0] * t;\
+ p2[c][0] -= p1[c][0] * t;\
} while (0)
#define PROCESS(TYPE)\
@@ -34,9 +34,9 @@ static int equal = 0;
for (c = 0; c < cn; c++)\
t = p1[c][0], p1[c][0] = p2[c][0], p2[c][0] = t;\
}\
- t = p1[r1][0];\
+ t = 1 / p1[r1][0];\
for (c = 0; c < cn; c++)\
- p1[c][0] /= t;\
+ p1[c][0] *= t;\
for (r2 = r1 + 1; r2 < rn; r2++)\
SUB_ROWS();\
}\
@@ -55,7 +55,7 @@ int
main(int argc, char *argv[])
{
struct stream stream;
- size_t width, x, y, row_size, chan_size;
+ size_t width, x, y, row_size;
char *buf, *one = alloca(4 * sizeof(double)), *p;
void (*process)(struct stream *stream, void *buf);
@@ -81,22 +81,20 @@ main(int argc, char *argv[])
stream.width = width;
efflush(stdout, "<stdout>");
+ one = alloca(stream.pixel_size);
if (!strcmp(stream.pixfmt, "xyza")) {
- one = alloca(4 * sizeof(double));
*(double *)one = 1;
process = process_lf;
} else if (!strcmp(stream.pixfmt, "xyza f")) {
- one = alloca(4 * sizeof(float));
*(float *)one = 1;
process = process_f;
} else {
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
}
- chan_size = stream.pixel_size / 4;
- memcpy(one + 1 * chan_size, one, chan_size);
- memcpy(one + 2 * chan_size, one, chan_size);
- memcpy(one + 3 * chan_size, one, chan_size);
+ memcpy(one + 1 * stream.chan_size, one, stream.chan_size);
+ memcpy(one + 2 * stream.chan_size, one, stream.chan_size);
+ memcpy(one + 3 * stream.chan_size, one, stream.chan_size);
width = stream.width > stream.height ? stream.width : 2 * stream.height;
buf = emalloc2(width, stream.col_size);
@@ -111,19 +109,19 @@ main(int argc, char *argv[])
}
}
if (equal) {
- process(&stream, buf + 1 * chan_size);
+ process(&stream, buf + 1 * stream.chan_size);
for (y = 0; y < stream.height; y++) {
for (x = 0; x < stream.width; x++) {
p = buf + y * row_size + x * stream.pixel_size;
- memcpy(p, p + chan_size, chan_size);
- memcpy(p + 2 * chan_size, p, 2 * chan_size);
+ memcpy(p, p + stream.chan_size, stream.chan_size);
+ memcpy(p + 2 * stream.chan_size, p, 2 * stream.chan_size);
}
}
} else {
- process(&stream, buf + 0 * chan_size);
- process(&stream, buf + 1 * chan_size);
- process(&stream, buf + 2 * chan_size);
- process(&stream, buf + 3 * chan_size);
+ process(&stream, buf + 0 * stream.chan_size);
+ process(&stream, buf + 1 * stream.chan_size);
+ process(&stream, buf + 2 * stream.chan_size);
+ process(&stream, buf + 3 * stream.chan_size);
}
for (y = 0; y < stream.height; y++)
ewriteall(STDOUT_FILENO, buf + y * row_size + stream.col_size, row_size - stream.col_size, "<stdout>");
DIR diff --git a/src/blind-linear-gradient.c b/src/blind-linear-gradient.c
@@ -7,7 +7,6 @@ static int bilinear = 0;
static size_t width = 0;
static size_t height = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
@@ -56,7 +55,6 @@ static size_t height = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-matrix-orthoproject.c b/src/blind-matrix-orthoproject.c
@@ -11,9 +11,9 @@ static int per_channel = 0;
pixel_t matrix[9];\
pixel_t buf[2];\
TYPE x2, y2, norm2;\
- int i;\
+ size_t i;\
\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[0][i] = 1, matrix[1][i] = 0, matrix[2][i] = 0;\
matrix[3][i] = 0, matrix[4][i] = 1, matrix[5][i] = 0;\
matrix[6][i] = 0, matrix[7][i] = 0, matrix[8][i] = 1;\
@@ -21,7 +21,7 @@ static int per_channel = 0;
\
while (eread_frame(stream, buf)) {\
if (per_channel) {\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
x2 = buf[0][i] * buf[0][i];\
y2 = buf[1][i] * buf[1][i];\
norm2 = x2 + y2;\
@@ -38,10 +38,12 @@ static int per_channel = 0;
matrix[0][0] = x2 / norm2;\
matrix[4][0] = y2 / norm2;\
matrix[3][0] = matrix[1][0] = buf[0][1] * buf[1][1] / norm2;\
- matrix[0][3] = matrix[0][2] = matrix[0][1] = matrix[0][0];\
- matrix[1][3] = matrix[1][2] = matrix[1][1] = matrix[1][0];\
- matrix[3][3] = matrix[3][2] = matrix[3][1] = matrix[3][0];\
- matrix[4][3] = matrix[4][2] = matrix[4][1] = matrix[4][0];\
+ for (i = 1; i < stream->n_chan; i++) {\
+ matrix[0][i] = matrix[0][0];\
+ matrix[1][i] = matrix[1][0];\
+ matrix[3][i] = matrix[3][0];\
+ matrix[4][i] = matrix[4][0];\
+ }\
}\
ewriteall(STDOUT_FILENO, matrix, sizeof(matrix), "<stdout>");\
}\
@@ -77,9 +79,9 @@ main(int argc, char *argv[])
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-matrix-reflect.c b/src/blind-matrix-reflect.c
@@ -11,9 +11,9 @@ static int per_channel = 0;
pixel_t matrix[9];\
pixel_t buf[2];\
TYPE x2, y2, norm2;\
- int i;\
+ size_t i;\
\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[0][i] = 1, matrix[1][i] = 0, matrix[2][i] = 0;\
matrix[3][i] = 0, matrix[4][i] = 1, matrix[5][i] = 0;\
matrix[6][i] = 0, matrix[7][i] = 0, matrix[8][i] = 1;\
@@ -21,7 +21,7 @@ static int per_channel = 0;
\
while (eread_frame(stream, buf)) {\
if (per_channel) {\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
x2 = buf[0][i] * buf[0][i];\
y2 = buf[1][i] * buf[1][i];\
norm2 = x2 + y2;\
@@ -36,10 +36,12 @@ static int per_channel = 0;
norm2 = x2 + y2;\
matrix[4][0] = -(matrix[0][0] = (x2 - y2) / norm2);\
matrix[3][0] = matrix[1][0] = 2 * buf[0][1] * buf[1][1] / norm2;\
- matrix[0][3] = matrix[0][2] = matrix[0][1] = matrix[0][0];\
- matrix[1][3] = matrix[1][2] = matrix[1][1] = matrix[1][0];\
- matrix[3][3] = matrix[3][2] = matrix[3][1] = matrix[3][0];\
- matrix[4][3] = matrix[4][2] = matrix[4][1] = matrix[4][0];\
+ for (i = 1; i < stream->n_chan; i++) {\
+ matrix[0][i] = matrix[0][0];\
+ matrix[1][i] = matrix[1][0];\
+ matrix[3][i] = matrix[3][0];\
+ matrix[4][i] = matrix[4][0];\
+ }\
}\
ewriteall(STDOUT_FILENO, matrix, sizeof(matrix), "<stdout>");\
}\
@@ -75,9 +77,9 @@ main(int argc, char *argv[])
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-matrix-rotate.c b/src/blind-matrix-rotate.c
@@ -11,9 +11,9 @@ static int in_degrees = 0;
typedef TYPE pixel_t[4];\
pixel_t matrix[9];\
pixel_t buf;\
- int i;\
+ size_t i;\
\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[0][i] = 1, matrix[1][i] = 0, matrix[2][i] = 0;\
matrix[3][i] = 0, matrix[4][i] = 1, matrix[5][i] = 0;\
matrix[6][i] = 0, matrix[7][i] = 0, matrix[8][i] = 1;\
@@ -21,12 +21,12 @@ static int in_degrees = 0;
\
while (eread_frame(stream, buf)) {\
if (per_channel && in_degrees) {\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[4][i] = matrix[0][i] = degcos(buf[i]);\
matrix[3][i] = -(matrix[1][i] = degsin(buf[i]));\
}\
} else if (per_channel) {\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[4][i] = matrix[0][i] = cos(buf[i]);\
matrix[3][i] = -(matrix[1][i] = sin(buf[i]));\
}\
@@ -39,10 +39,12 @@ static int in_degrees = 0;
matrix[4][0] = matrix[0][0] = cos(buf[1]);\
matrix[3][0] = -(matrix[1][0] = sin(buf[1]));\
}\
- matrix[0][3] = matrix[0][2] = matrix[0][1] = matrix[0][0];\
- matrix[1][3] = matrix[1][2] = matrix[1][1] = matrix[1][0];\
- matrix[3][3] = matrix[3][2] = matrix[3][1] = matrix[3][0];\
- matrix[4][3] = matrix[4][2] = matrix[4][1] = matrix[4][0];\
+ for (i = 0; i < stream->n_chan; i++) {\
+ matrix[0][i] = matrix[0][0];\
+ matrix[1][i] = matrix[1][0];\
+ matrix[3][i] = matrix[3][0];\
+ matrix[4][i] = matrix[4][0];\
+ }\
}\
ewriteall(STDOUT_FILENO, matrix, sizeof(matrix), "<stdout>");\
}\
@@ -81,9 +83,9 @@ main(int argc, char *argv[])
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-matrix-scale.c b/src/blind-matrix-scale.c
@@ -10,9 +10,9 @@ static int per_channel = 0;
typedef TYPE pixel_t[4];\
pixel_t matrix[9];\
pixel_t buf[2];\
- int i;\
+ size_t i;\
\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[0][i] = 1, matrix[1][i] = 0, matrix[2][i] = 0;\
matrix[3][i] = 0, matrix[4][i] = 1, matrix[5][i] = 0;\
matrix[6][i] = 0, matrix[7][i] = 0, matrix[8][i] = 1;\
@@ -20,13 +20,17 @@ static int per_channel = 0;
\
while (eread_frame(stream, buf)) {\
if (per_channel) {\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[0][i] = buf[0][i];\
matrix[4][i] = buf[1][i];\
}\
} else {\
- matrix[0][3] = matrix[0][2] = matrix[0][1] = matrix[0][0] = buf[0][1] * buf[0][3];\
- matrix[4][3] = matrix[4][2] = matrix[4][1] = matrix[4][0] = buf[1][1] * buf[1][3];\
+ buf[0][1] *= buf[0][3];\
+ buf[1][1] *= buf[1][3];\
+ for (i = 0; i < stream->n_chan; i++) {\
+ matrix[0][i] = buf[0][1];\
+ matrix[4][i] = buf[1][1];\
+ }\
}\
ewriteall(STDOUT_FILENO, matrix, sizeof(matrix), "<stdout>");\
}\
@@ -62,9 +66,9 @@ main(int argc, char *argv[])
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-matrix-shear.c b/src/blind-matrix-shear.c
@@ -13,9 +13,9 @@ static int in_degrees = 0;
pixel_t matrix[9];\
pixel_t buf[2];\
TYPE conv = in_degrees ? (TYPE)(M_PI / 180.) : 1;\
- int i;\
+ size_t i;\
\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[0][i] = 1, matrix[1][i] = 0, matrix[2][i] = 0;\
matrix[3][i] = 0, matrix[4][i] = 1, matrix[5][i] = 0;\
matrix[6][i] = 0, matrix[7][i] = 0, matrix[8][i] = 1;\
@@ -23,19 +23,23 @@ static int in_degrees = 0;
\
while (eread_frame(stream, buf)) {\
if (by_angle) {\
- for (i = !per_channel; i < (per_channel ? 4 : 2); i++) {\
+ for (i = !per_channel; i < (per_channel ? stream->n_chan : 2); i++) {\
buf[0][i] = tan(buf[0][i] * conv);\
buf[1][i] = tan(buf[1][i] * conv);\
}\
}\
if (per_channel) {\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[1][i] = buf[0][i];\
matrix[3][i] = buf[1][i];\
}\
} else {\
- matrix[1][3] = matrix[1][2] = matrix[1][1] = matrix[1][0] = buf[0][1] * buf[0][3];\
- matrix[3][3] = matrix[3][2] = matrix[3][1] = matrix[3][0] = buf[1][1] * buf[1][3];\
+ buf[0][1] *= buf[0][3];\
+ buf[1][1] *= buf[1][3];\
+ for (i = 0; i < stream->n_chan; i++) {\
+ matrix[1][i] = buf[0][1];\
+ matrix[3][i] = buf[1][1];\
+ }\
}\
ewriteall(STDOUT_FILENO, matrix, sizeof(matrix), "<stdout>");\
}\
@@ -77,9 +81,9 @@ main(int argc, char *argv[])
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-matrix-translate.c b/src/blind-matrix-translate.c
@@ -10,9 +10,9 @@ static int per_channel = 0;
typedef TYPE pixel_t[4];\
pixel_t matrix[9];\
pixel_t buf[2];\
- int i;\
+ size_t i;\
\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[0][i] = 1, matrix[1][i] = 0, matrix[2][i] = 0;\
matrix[3][i] = 0, matrix[4][i] = 1, matrix[5][i] = 0;\
matrix[6][i] = 0, matrix[7][i] = 0, matrix[8][i] = 1;\
@@ -20,13 +20,17 @@ static int per_channel = 0;
\
while (eread_frame(stream, buf)) {\
if (per_channel) {\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[2][i] = buf[0][i];\
matrix[5][i] = buf[1][i];\
}\
} else {\
- matrix[2][3] = matrix[2][2] = matrix[2][1] = matrix[2][0] = buf[0][1] * buf[0][3];\
- matrix[5][3] = matrix[5][2] = matrix[5][1] = matrix[5][0] = buf[1][1] * buf[1][3];\
+ buf[0][1] *= buf[0][3];\
+ buf[1][1] *= buf[1][3];\
+ for (i = 0; i < stream->n_chan; i++) {\
+ matrix[2][i] = buf[0][1];\
+ matrix[5][i] = buf[1][1];\
+ }\
}\
ewriteall(STDOUT_FILENO, matrix, sizeof(matrix), "<stdout>");\
}\
@@ -62,9 +66,9 @@ main(int argc, char *argv[])
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-matrix-transpose.c b/src/blind-matrix-transpose.c
@@ -10,9 +10,9 @@ static int per_channel = 0;
typedef TYPE pixel_t[4];\
pixel_t matrix[9];\
pixel_t buf;\
- int i;\
+ size_t i;\
\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[0][i] = 1, matrix[1][i] = 0, matrix[2][i] = 0;\
matrix[3][i] = 0, matrix[4][i] = 1, matrix[5][i] = 0;\
matrix[6][i] = 0, matrix[7][i] = 0, matrix[8][i] = 1;\
@@ -20,13 +20,14 @@ static int per_channel = 0;
\
while (eread_frame(stream, buf)) {\
if (per_channel) {\
- for (i = 0; i < 4; i++) {\
+ for (i = 0; i < stream->n_chan; i++) {\
matrix[3][i] = matrix[1][i] = buf[i];\
matrix[4][i] = matrix[0][i] = 1 - buf[i];\
}\
} else {\
- for (i = 0; i < 4; i++) {\
- matrix[3][i] = matrix[1][i] = buf[1] * buf[3];\
+ buf[1] *= buf[3];\
+ for (i = 0; i < stream->n_chan; i++) {\
+ matrix[3][i] = matrix[1][i] = buf[1];\
matrix[4][i] = matrix[0][i] = 1 - matrix[3][i];\
}\
}\
@@ -64,9 +65,9 @@ main(int argc, char *argv[])
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-multiply-matrices.c b/src/blind-multiply-matrices.c
@@ -30,15 +30,16 @@ static size_t max_frame_size;
for (y = r = 0; y < h2; y++) {\
for (x = 0; x < w; x++, r++) {\
for (k = 0; k < h; k++) \
- res[r][1] += left[y * h + k][1] * right[k * w + x][1];\
- res[r][3] = res[r][2] = res[r][0] = res[r][1];\
+ res[r][0] += left[y * h + k][0] * right[k * w + x][0];\
+ for (j = 1; j < streams->n_chan; j++)\
+ res[r][j] = res[r][0];\
}\
}\
} else {\
for (y = r = 0; y < h2; y++)\
for (x = 0; x < w; x++, r++) \
for (k = 0; k < h; k++)\
- for (j = 0; j < 4; j++)\
+ for (j = 0; j < streams->n_chan; j++)\
res[r][j] += left[y * h + k][j] * right[k * w + x][j];\
}\
\
@@ -112,9 +113,9 @@ main(int argc, char *argv[])
height = streams[i].height;
}
- if (!strcmp(streams->pixfmt, "xyza"))
+ if (streams->encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(streams->pixfmt, "xyza f"))
+ else if (streams->encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", streams->pixfmt);
DIR diff --git a/src/blind-norm.c b/src/blind-norm.c
@@ -8,7 +8,6 @@ static int skip_x = 0;
static int skip_y = 0;
static int skip_z = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
@@ -43,7 +42,6 @@ static int skip_z = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-premultiply.c b/src/blind-premultiply.c
@@ -7,7 +7,6 @@ static int skip_x = 0;
static int skip_y = 0;
static int skip_z = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
@@ -36,7 +35,6 @@ static int skip_z = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-quaternion-product.c b/src/blind-quaternion-product.c
@@ -39,9 +39,9 @@ main(int argc, char *argv[])
eopen_stream(&left, NULL);
eopen_stream(&right, argv[0]);
- if (!strcmp(left.pixfmt, "xyza"))
+ if (left.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(left.pixfmt, "xyza f"))
+ else if (left.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", left.pixfmt);
DIR diff --git a/src/blind-radial-gradient.c b/src/blind-radial-gradient.c
@@ -7,7 +7,6 @@ static size_t width = 0;
static size_t height = 0;
static int with_params;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
@@ -82,7 +81,6 @@ static int with_params;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-round-wave.c b/src/blind-round-wave.c
@@ -5,46 +5,32 @@ USAGE("[-e]")
static int equal = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
{\
- size_t i, n;\
- TYPE x, y, z, a;\
+ size_t i, j, n;\
+ TYPE v, *p;\
do {\
- n = stream->ptr / stream->pixel_size;\
if (equal) {\
+ n = stream->ptr / stream->pixel_size;\
for (i = 0; i < n; i++) {\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- a = mod(a + 1, (TYPE)4) - 1;\
- a = a < 1 ? 1 - a * a / 2 : (a - 2) * (a - 2) / 2;\
- ((TYPE *)(stream->buf))[4 * i + 0] = a;\
- ((TYPE *)(stream->buf))[4 * i + 1] = a;\
- ((TYPE *)(stream->buf))[4 * i + 2] = a;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ p = (TYPE *)(stream->buf) + i * stream->n_chan;\
+ v = posmod(*p + 1, (TYPE)4) - 1;\
+ v = v < 1 ? 1 - v * v / 2 : (v - 2) * (v - 2) / 2;\
+ for (j = 0; j < stream->n_chan; j++)\
+ p[j] = v;\
}\
+ n *= stream->pixel_size;\
} else {\
+ n = stream->ptr / stream->chan_size;\
for (i = 0; i < n; i++) {\
- x = ((TYPE *)(stream->buf))[4 * i + 0];\
- y = ((TYPE *)(stream->buf))[4 * i + 1];\
- z = ((TYPE *)(stream->buf))[4 * i + 2];\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- x = mod(x + 1, (TYPE)4) - 1;\
- y = mod(y + 1, (TYPE)4) - 1;\
- z = mod(z + 1, (TYPE)4) - 1;\
- a = mod(a + 1, (TYPE)4) - 1;\
- x = x < 1 ? 1 - x * x / 2 : (x - 2) * (x - 2) / 2;\
- y = y < 1 ? 1 - y * y / 2 : (y - 2) * (y - 2) / 2;\
- z = z < 1 ? 1 - z * z / 2 : (z - 2) * (z - 2) / 2;\
- a = a < 1 ? 1 - a * a / 2 : (a - 2) * (a - 2) / 2;\
- ((TYPE *)(stream->buf))[4 * i + 0] = x;\
- ((TYPE *)(stream->buf))[4 * i + 1] = y;\
- ((TYPE *)(stream->buf))[4 * i + 2] = z;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ p = (TYPE *)(stream->buf) + i;\
+ v = posmod(*p + 1, (TYPE)4) - 1;\
+ *p = v < 1 ? 1 - v * v / 2 : (v - 2) * (v - 2) / 2;\
}\
+ n *= stream->chan_size;\
}\
- n *= stream->pixel_size;\
ewriteall(STDOUT_FILENO, stream->buf, n, "<stdout>");\
memmove(stream->buf, stream->buf + n, stream->ptr -= n);\
} while (eread_stream(stream, SIZE_MAX));\
@@ -55,7 +41,6 @@ static int equal = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
@@ -75,9 +60,9 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-sawtooth-wave.c b/src/blind-sawtooth-wave.c
@@ -5,41 +5,30 @@ USAGE("[-e]")
static int equal = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
{\
- size_t i, n;\
- TYPE x, y, z, a;\
+ size_t i, j, n;\
+ TYPE v, *p;\
do {\
- n = stream->ptr / stream->pixel_size;\
if (equal) {\
+ n = stream->ptr / stream->pixel_size;\
for (i = 0; i < n; i++) {\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- a = posmod(a, (TYPE)1);\
- ((TYPE *)(stream->buf))[4 * i + 0] = a;\
- ((TYPE *)(stream->buf))[4 * i + 1] = a;\
- ((TYPE *)(stream->buf))[4 * i + 2] = a;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ p = (TYPE *)(stream->buf) + i * stream->n_chan;\
+ v = posmod(*p, (TYPE)1);\
+ for (j = 0; j < stream->n_chan; j++)\
+ p[j] = v;\
}\
+ n *= stream->pixel_size;\
} else {\
+ n = stream->ptr / stream->chan_size;\
for (i = 0; i < n; i++) {\
- x = ((TYPE *)(stream->buf))[4 * i + 0];\
- y = ((TYPE *)(stream->buf))[4 * i + 1];\
- z = ((TYPE *)(stream->buf))[4 * i + 2];\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- x = posmod(x, (TYPE)1);\
- y = posmod(y, (TYPE)1);\
- z = posmod(z, (TYPE)1);\
- a = posmod(a, (TYPE)1);\
- ((TYPE *)(stream->buf))[4 * i + 0] = x;\
- ((TYPE *)(stream->buf))[4 * i + 1] = y;\
- ((TYPE *)(stream->buf))[4 * i + 2] = z;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ p = (TYPE *)(stream->buf) + i;\
+ *p = posmod(*p, (TYPE)1);\
}\
+ n *= stream->chan_size;\
}\
- n *= stream->pixel_size;\
ewriteall(STDOUT_FILENO, stream->buf, n, "<stdout>");\
memmove(stream->buf, stream->buf + n, stream->ptr -= n);\
} while (eread_stream(stream, SIZE_MAX));\
@@ -50,7 +39,6 @@ static int equal = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
@@ -70,9 +58,9 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-sinc-wave.c b/src/blind-sinc-wave.c
@@ -5,7 +5,6 @@ USAGE("[-e] [theta0-stream]")
static int equal = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *grad, struct stream *theta0)\
@@ -70,7 +69,6 @@ static int equal = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
@@ -96,9 +94,9 @@ main(int argc, char *argv[])
eprintf("theta0-stream must be of dimension 1x1\n");
}
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-sine-wave.c b/src/blind-sine-wave.c
@@ -5,51 +5,34 @@ USAGE("[-e]")
static int equal = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
{\
- size_t i, n;\
- TYPE x, y, z, a;\
+ size_t i, j, n;\
+ TYPE v, *p;\
do {\
- n = stream->ptr / stream->pixel_size;\
if (equal) {\
+ n = stream->ptr / stream->pixel_size;\
for (i = 0; i < n; i++) {\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- a = posmod(a, (TYPE)2);\
- a = a > 1 ? 2 - a : a;\
- a = 1 - (cos(a * (TYPE)M_PI) + 1) / 2;\
- ((TYPE *)(stream->buf))[4 * i + 0] = a;\
- ((TYPE *)(stream->buf))[4 * i + 1] = a;\
- ((TYPE *)(stream->buf))[4 * i + 2] = a;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ p = (TYPE *)(stream->buf) + i * stream->n_chan;\
+ v = posmod(*p, (TYPE)2);\
+ v = v > 1 ? 2 - v : v;\
+ v = 1 - (cos(v * (TYPE)M_PI) + 1) / 2;\
+ for (j = 0; j < stream->n_chan; j++)\
+ p[j] = v;\
}\
+ n *= stream->pixel_size;\
} else {\
+ n = stream->ptr / stream->chan_size;\
for (i = 0; i < n; i++) {\
- x = ((TYPE *)(stream->buf))[4 * i + 0];\
- y = ((TYPE *)(stream->buf))[4 * i + 1];\
- z = ((TYPE *)(stream->buf))[4 * i + 2];\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- x = posmod(x, (TYPE)1);\
- y = posmod(y, (TYPE)1);\
- z = posmod(z, (TYPE)1);\
- a = posmod(a, (TYPE)1);\
- x = x > 1 ? 2 - x : x;\
- y = y > 1 ? 2 - y : y;\
- z = z > 1 ? 2 - z : z;\
- a = a > 1 ? 2 - a : a;\
- x = 1 - (cos(x * (TYPE)M_PI) + 1) / 2;\
- y = 1 - (cos(y * (TYPE)M_PI) + 1) / 2;\
- z = 1 - (cos(z * (TYPE)M_PI) + 1) / 2;\
- a = 1 - (cos(a * (TYPE)M_PI) + 1) / 2;\
- ((TYPE *)(stream->buf))[4 * i + 0] = x;\
- ((TYPE *)(stream->buf))[4 * i + 1] = y;\
- ((TYPE *)(stream->buf))[4 * i + 2] = z;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ p = (TYPE *)(stream->buf) + i;\
+ v = posmod(*p, (TYPE)2);\
+ v = v > 1 ? 2 - v : v;\
+ *p = 1 - (cos(v * (TYPE)M_PI) + 1) / 2;\
}\
+ n *= stream->chan_size;\
}\
- n *= stream->pixel_size;\
ewriteall(STDOUT_FILENO, stream->buf, n, "<stdout>");\
memmove(stream->buf, stream->buf + n, stream->ptr -= n);\
} while (eread_stream(stream, SIZE_MAX));\
@@ -60,7 +43,6 @@ static int equal = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
@@ -80,9 +62,9 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-spectrum.c b/src/blind-spectrum.c
@@ -6,7 +6,6 @@ USAGE("[-y] [-z depth] spectrum-stream")
static int luma = 0;
static size_t nz = 1;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream, struct stream *spectrum)\
@@ -123,7 +122,6 @@ static size_t nz = 1;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-spiral-gradient.c b/src/blind-spiral-gradient.c
@@ -12,7 +12,6 @@ static size_t height = 0;
static int with_params;
static int with_vector;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
@@ -116,7 +115,6 @@ static int with_vector;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-square-gradient.c b/src/blind-square-gradient.c
@@ -7,7 +7,6 @@ static size_t width = 0;
static size_t height = 0;
static int with_multiplier;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
@@ -63,7 +62,6 @@ static int with_multiplier;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/blind-time-blur.c b/src/blind-time-blur.c
@@ -35,15 +35,15 @@ static int first = 1;
} while (0)
static void
-process_xyza(char *output, char *restrict cbuf, char *restrict abuf,
- struct stream *colour, struct stream *alpha)
+process_lf(char *output, char *restrict cbuf, char *restrict abuf,
+ struct stream *colour, struct stream *alpha)
{
PROCESS(double);
}
static void
-process_xyzaf(char *output, char *restrict cbuf, char *restrict abuf,
- struct stream *colour, struct stream *alpha)
+process_f(char *output, char *restrict cbuf, char *restrict abuf,
+ struct stream *colour, struct stream *alpha)
{
PROCESS(float);
}
@@ -66,10 +66,10 @@ main(int argc, char *argv[])
eopen_stream(&colour, NULL);
eopen_stream(&alpha, argv[0]);
- if (!strcmp(colour.pixfmt, "xyza"))
- process = process_xyza;
- else if (!strcmp(colour.pixfmt, "xyza f"))
- process = process_xyzaf;
+ if (colour.encoding == DOUBLE)
+ process = process_lf;
+ else if (colour.encoding == FLOAT)
+ process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", colour.pixfmt);
DIR diff --git a/src/blind-to-portable.c b/src/blind-to-portable.c
@@ -89,10 +89,10 @@ USAGE("[-s]")
} while (0)
static uint64_t conv_double(double host) {CONV(double, uint64_t, int64_t, 11, 1023, 52);}
-static uint32_t conv_float (float host) {CONV(float, uint32_t, int32_t, 8, 127, 23);}
+static uint32_t conv_float (float host) {CONV(float, uint32_t, int32_t, 8, 127, 23);}
-static void process_xyza (struct stream *stream, int strict) {PROCESS(double, uint64_t, 64);}
-static void process_xyzaf(struct stream *stream, int strict) {PROCESS(float, uint32_t, 32);}
+static void process_lf(struct stream *stream, int strict) {PROCESS(double, uint64_t, 64);}
+static void process_f (struct stream *stream, int strict) {PROCESS(float, uint32_t, 32);}
int
main(int argc, char *argv[])
@@ -113,10 +113,10 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
- if (!strcmp(stream.pixfmt, "xyza"))
- process = process_xyza;
- else if (!strcmp(stream.pixfmt, "xyza f"))
- process = process_xyzaf;
+ if (stream.encoding == DOUBLE)
+ process = process_lf;
+ else if (stream.encoding == FLOAT)
+ process = process_f;
else
eprintf("pixel format %s is not supported\n", stream.pixfmt);
DIR diff --git a/src/blind-to-text.c b/src/blind-to-text.c
@@ -8,16 +8,13 @@ USAGE("")
#define PROCESS(TYPE, CAST, FMT)\
do {\
size_t i;\
- for (i = 0; i < n; i += stream->pixel_size)\
- printf("%"FMT" %"FMT" %"FMT" %"FMT"\n",\
- (CAST)(((TYPE *)(stream->buf + i))[0]),\
- (CAST)(((TYPE *)(stream->buf + i))[1]),\
- (CAST)(((TYPE *)(stream->buf + i))[2]),\
- (CAST)(((TYPE *)(stream->buf + i))[3]));\
+ TYPE *p = (TYPE *)(stream->buf);\
+ for (i = 0, n /= stream->chan_size; i < n; i++)\
+ printf("%"FMT"%c", (CAST)(p[i]), (i + 1) % stream->n_chan ? ' ' : '\n');\
} while (0)
-static void process_xyza (struct stream *stream, size_t n) {PROCESS(double, double, ".25lf");}
-static void process_xyzaf(struct stream *stream, size_t n) {PROCESS(float, double, ".25lf");}
+static void process_lf(struct stream *stream, size_t n) {PROCESS(double, double, ".25lf");}
+static void process_f (struct stream *stream, size_t n) {PROCESS(float, double, ".25lf");}
int
main(int argc, char *argv[])
@@ -29,10 +26,10 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
- if (!strcmp(stream.pixfmt, "xyza"))
- process = process_xyza;
- else if (!strcmp(stream.pixfmt, "xyza f"))
- process = process_xyzaf;
+ if (stream.encoding == DOUBLE)
+ process = process_lf;
+ else if (stream.encoding == FLOAT)
+ process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-triangular-wave.c b/src/blind-triangular-wave.c
@@ -6,54 +6,37 @@ USAGE("[-es]")
static int equal = 0;
static int spiral = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
{\
- size_t i, n;\
- TYPE x, y, z, a;\
+ size_t i, j, n;\
+ TYPE v, *p;\
do {\
- n = stream->ptr / stream->pixel_size;\
if (equal) {\
+ n = stream->ptr / stream->pixel_size;\
for (i = 0; i < n; i++) {\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- a = posmod(a, (TYPE)2);\
- a = a > 1 ? 2 - a : a;\
+ p = (TYPE *)(stream->buf) + i * stream->n_chan;\
+ v = posmod(*p, (TYPE)2);\
+ v = v > 1 ? 2 - v : v;\
if (spiral)\
- a = (a > (TYPE)0.5 ? 1 - a : a) * 2; \
- ((TYPE *)(stream->buf))[4 * i + 0] = a;\
- ((TYPE *)(stream->buf))[4 * i + 1] = a;\
- ((TYPE *)(stream->buf))[4 * i + 2] = a;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ v = (v > (TYPE)0.5 ? 1 - v : v) * 2;\
+ for (j = 0; j < stream->n_chan; j++)\
+ p[j] = v;\
}\
+ n *= stream->pixel_size;\
} else {\
+ n = stream->ptr / stream->chan_size;\
for (i = 0; i < n; i++) {\
- x = ((TYPE *)(stream->buf))[4 * i + 0];\
- y = ((TYPE *)(stream->buf))[4 * i + 1];\
- z = ((TYPE *)(stream->buf))[4 * i + 2];\
- a = ((TYPE *)(stream->buf))[4 * i + 3];\
- x = posmod(x, (TYPE)2);\
- y = posmod(y, (TYPE)2);\
- z = posmod(z, (TYPE)2);\
- a = posmod(a, (TYPE)2);\
- x = x > 1 ? 2 - x : x;\
- y = y > 1 ? 2 - y : y;\
- z = z > 1 ? 2 - z : z;\
- a = a > 1 ? 2 - a : a;\
- if (spiral) {\
- x = (x > (TYPE)0.5 ? 1 - x : x) * 2;\
- y = (y > (TYPE)0.5 ? 1 - y : y) * 2;\
- z = (z > (TYPE)0.5 ? 1 - z : z) * 2;\
- a = (a > (TYPE)0.5 ? 1 - a : a) * 2;\
- }\
- ((TYPE *)(stream->buf))[4 * i + 0] = x;\
- ((TYPE *)(stream->buf))[4 * i + 1] = y;\
- ((TYPE *)(stream->buf))[4 * i + 2] = z;\
- ((TYPE *)(stream->buf))[4 * i + 3] = a;\
+ p = (TYPE *)(stream->buf) + i;\
+ v = posmod(*p, (TYPE)2);\
+ v = v > 1 ? 2 - v : v;\
+ if (spiral)\
+ v = (v > (TYPE)0.5 ? 1 - v : v) * 2;\
+ *p = v;\
}\
+ n *= stream->chan_size;\
}\
- n *= stream->pixel_size;\
ewriteall(STDOUT_FILENO, stream->buf, n, "<stdout>");\
memmove(stream->buf, stream->buf + n, stream->ptr -= n);\
} while (eread_stream(stream, SIZE_MAX));\
@@ -64,7 +47,6 @@ static int spiral = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
@@ -87,9 +69,9 @@ main(int argc, char *argv[])
eopen_stream(&stream, NULL);
- if (!strcmp(stream.pixfmt, "xyza"))
+ if (stream.encoding == DOUBLE)
process = process_lf;
- else if (!strcmp(stream.pixfmt, "xyza f"))
+ else if (stream.encoding == FLOAT)
process = process_f;
else
eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt);
DIR diff --git a/src/blind-unpremultiply.c b/src/blind-unpremultiply.c
@@ -7,7 +7,6 @@ static int skip_x = 0;
static int skip_y = 0;
static int skip_z = 0;
-
#define PROCESS(TYPE, SUFFIX)\
static void\
process_##SUFFIX(struct stream *stream)\
@@ -38,7 +37,6 @@ static int skip_z = 0;
PROCESS(double, lf)
PROCESS(float, f)
-
int
main(int argc, char *argv[])
{
DIR diff --git a/src/stream.c b/src/stream.c
@@ -95,12 +95,22 @@ enopen_stream(int status, struct stream *stream, const char *file)
int
set_pixel_size(struct stream *stream)
{
- if (!strcmp(stream->pixfmt, "xyza"))
- stream->pixel_size = 4 * sizeof(double);
- else if (!strcmp(stream->pixfmt, "xyza f"))
- stream->pixel_size = 4 * sizeof(float);
- else
+ if (!strcmp(stream->pixfmt, "xyza")) {
+ stream->n_chan = 4;
+ stream->chan_size = sizeof(double);
+ stream->space = CIEXYZ;
+ stream->alpha = UNPREMULTIPLIED;
+ stream->encoding = DOUBLE;
+ } else if (!strcmp(stream->pixfmt, "xyza f")) {
+ stream->n_chan = 4;
+ stream->chan_size = sizeof(float);
+ stream->space = CIEXYZ;
+ stream->alpha = UNPREMULTIPLIED;
+ stream->encoding = FLOAT;
+ } else {
return -1;
+ }
+ stream->pixel_size = stream->n_chan * stream->chan_size;
stream->row_size = stream->pixel_size * stream->width;
stream->col_size = stream->pixel_size * stream->height;
stream->frame_size = stream->pixel_size * stream->height * stream->width;
@@ -212,31 +222,31 @@ encheck_compat(int status, const struct stream *a, const struct stream *b)
const char *
get_pixel_format(const char *specified, const char *current)
{
- const char *base = NULL;
- int as_float = 0;
+ enum colour_space space;
+ enum encoding encoding;
if (!strcmp(current, "xyza"))
- base = "xyza";
+ space = CIEXYZ, encoding = DOUBLE;
else if (!strcmp(current, "xyza f"))
- base = "xyza", as_float = 1;
+ space = CIEXYZ, encoding = FLOAT;
else
return specified;
if (!strcmp(specified, "xyza"))
- base = "xyza";
+ space = CIEXYZ;
else if (!strcmp(specified, "xyza f"))
return "xyza f";
else if (!strcmp(specified, "xyza !f"))
return "xyza";
else if (!strcmp(specified, "f"))
- as_float = 1;
+ encoding = FLOAT;
else if (!strcmp(specified, "!f"))
- as_float = 0;
+ encoding = DOUBLE;
else
return specified;
- if (!strcmp(base, "xyza"))
- return as_float ? "xyza f" : "xyza";
+ if (space == CIEXYZ)
+ return encoding == FLOAT ? "xyza f" : "xyza";
else
return specified;
}
DIR diff --git a/src/stream.h b/src/stream.h
@@ -63,16 +63,31 @@ enum dimension {
LENGTH = 4
};
+enum colour_space {
+ CIEXYZ
+};
+
+enum alpha {
+ UNPREMULTIPLIED
+};
+
+enum encoding {
+ FLOAT,
+ DOUBLE
+};
+
struct stream {
size_t frames;
size_t width;
size_t height;
+ size_t n_chan;
+ size_t chan_size;
size_t pixel_size;
char pixfmt[32];
+ enum colour_space space;
+ enum alpha alpha;
+ enum encoding encoding;
int fd;
-#if INT_MAX != LONG_MAX
- int padding__;
-#endif
size_t ptr;
size_t xptr;
char buf[BUFSIZ];