Unified · Split
| @@ -11,6 +11,7 @@ C99?=$(CC) -std=c99 · 10 unmodified lines | ||
| 11 | 11 | CFLAGS += -Ipatchwerk -I. |
| 12 | 12 | CFLAGS += -Wall |
| 13 | 13 | CFLAGS += -O3 |
| 14 | +CFLAGS += -g | |
| 14 | 15 | |
| 15 | 16 | TANGLED=\ |
| 16 | 17 | bigverb.c bigverb.h \ |
| @@ -0,0 +1,12 @@ | ||
| 1 | +EX=ex1.bin ex2.bin | |
| 2 | + | |
| 3 | +LDFLAGS=-L../ | |
| 4 | +CFLAGS=-I../ -I../patchwerk -I../nodes | |
| 5 | +LIBS=-lsndkit | |
| 6 | +default: $(EX) | |
| 7 | + | |
| 8 | +%.bin: %.c | |
| 9 | + $(CC) $(CFLAGS) $< -o $@ $(LDFLAGS) $(LIBS) | |
| 10 | + | |
| 11 | +clean: | |
| 12 | + $(RM) $(EX) | |
| @@ -1 +1,2 @@ | ||
| 1 | 1 | gcc ex1.c -L../ -I../ -lsndkit -o ex1 -I../patchwerk -I../nodes |
| 2 | +gcc ex2.c -L../ -I../ -lsndkit -o ex2 -I../patchwerk -I../nodes | |
| @@ -0,0 +1,64 @@ | ||
| 1 | +#include <math.h> | |
| 2 | +#include <stdio.h> | |
| 3 | +#include "patchwerk.h" | |
| 4 | +#include "core.h" | |
| 5 | +#include "wavout/wavout.h" | |
| 6 | +#include "sine/sine.h" | |
| 7 | +#include "scale/scale.h" | |
| 8 | + | |
| 9 | +int patch(sk_core *core) | |
| 10 | +{ | |
| 11 | + int rc; | |
| 12 | + | |
| 13 | + /* paranoid error checking */ | |
| 14 | + | |
| 15 | + rc = sk_core_constant(core, 5); | |
| 16 | + SK_ERROR_CHECK(rc); | |
| 17 | + rc = sk_core_constant(core, 1); | |
| 18 | + SK_ERROR_CHECK(rc); | |
| 19 | + rc = sk_node_sine(core); | |
| 20 | + SK_ERROR_CHECK(rc); | |
| 21 | + | |
| 22 | + rc = sk_core_constant(core, 200); | |
| 23 | + SK_ERROR_CHECK(rc); | |
| 24 | + rc = sk_core_constant(core, 300); | |
| 25 | + SK_ERROR_CHECK(rc); | |
| 26 | + rc = sk_node_biscale(core); | |
| 27 | + SK_ERROR_CHECK(rc); | |
| 28 | + | |
| 29 | + rc = sk_core_constant(core, 0.1); | |
| 30 | + SK_ERROR_CHECK(rc); | |
| 31 | + rc = sk_node_sine(core); | |
| 32 | + SK_ERROR_CHECK(rc); | |
| 33 | + rc = sk_node_wavout(core, "test.wav"); | |
| 34 | + SK_ERROR_CHECK(rc); | |
| 35 | + | |
| 36 | + return 0; | |
| 37 | +} | |
| 38 | + | |
| 39 | +int main(int argc, char *argv[]) | |
| 40 | +{ | |
| 41 | + sk_core *core; | |
| 42 | + unsigned int n; | |
| 43 | + unsigned int nblocks; | |
| 44 | + int rc; | |
| 45 | + | |
| 46 | + core = sk_core_new(44100); | |
| 47 | + | |
| 48 | + rc = patch(core); | |
| 49 | + | |
| 50 | + if (rc) { | |
| 51 | + fprintf(stderr, "Error code %d\n", rc); | |
| 52 | + goto clean; | |
| 53 | + } | |
| 54 | + | |
| 55 | + nblocks = sk_core_seconds_to_blocks(core, 10); | |
| 56 | + | |
| 57 | + for (n = 0; n < nblocks; n++) { | |
| 58 | + sk_core_compute(core); | |
| 59 | + } | |
| 60 | + | |
| 61 | + clean: | |
| 62 | + sk_core_del(core); | |
| 63 | + return rc; | |
| 64 | +} | |
| @@ -1,2 +1,3 @@ | ||
| 1 | 1 | include nodes/sine/config.mk |
| 2 | 2 | include nodes/wavout/config.mk |
| 3 | +include nodes/scale/config.mk | |
| @@ -0,0 +1 @@ | ||
| 1 | +OBJ+=nodes/scale/scale.o | |
| @@ -0,0 +1,95 @@ | ||
| 1 | +#include <math.h> | |
| 2 | +#include <stdlib.h> | |
| 3 | +#include <stdint.h> | |
| 4 | +#include "patchwerk.h" | |
| 5 | +#include "core.h" | |
| 6 | +#include "../../scale.h" | |
| 7 | + | |
| 8 | +struct scale_n { | |
| 9 | + pw_cable *in; | |
| 10 | + pw_cable *min; | |
| 11 | + pw_cable *max; | |
| 12 | + pw_cable *out; | |
| 13 | +}; | |
| 14 | + | |
| 15 | +static void biscale_compute(pw_node *node) | |
| 16 | +{ | |
| 17 | + int blksize; | |
| 18 | + int n; | |
| 19 | + struct scale_n *scale; | |
| 20 | + | |
| 21 | + blksize = pw_node_blksize(node); | |
| 22 | + | |
| 23 | + scale = (struct scale_n *)pw_node_get_data(node); | |
| 24 | + | |
| 25 | + for (n = 0; n < blksize; n++) { | |
| 26 | + PWFLT out, in, min, max; | |
| 27 | + | |
| 28 | + in = pw_cable_get(scale->in, n); | |
| 29 | + min = pw_cable_get(scale->min, n); | |
| 30 | + max = pw_cable_get(scale->max, n); | |
| 31 | + out = sk_biscale(in, min, max); | |
| 32 | + | |
| 33 | + pw_cable_set(scale->out, n, out); | |
| 34 | + } | |
| 35 | +} | |
| 36 | + | |
| 37 | +static void destroy(pw_node *node) | |
| 38 | +{ | |
| 39 | + pw_patch *patch; | |
| 40 | + int rc; | |
| 41 | + void *ud; | |
| 42 | + rc = pw_node_get_patch(node, &patch); | |
| 43 | + if (rc != PW_OK) return; | |
| 44 | + pw_node_cables_free(node); | |
| 45 | + ud = pw_node_get_data(node); | |
| 46 | + pw_memory_free(patch, &ud); | |
| 47 | +} | |
| 48 | + | |
| 49 | +int sk_node_biscale(sk_core *core) | |
| 50 | +{ | |
| 51 | + pw_patch *patch; | |
| 52 | + pw_node *node; | |
| 53 | + int rc; | |
| 54 | + sk_param in; | |
| 55 | + sk_param min; | |
| 56 | + sk_param max; | |
| 57 | + void *ud; | |
| 58 | + struct scale_n *scale; | |
| 59 | + | |
| 60 | + rc = sk_param_get(core, &max); | |
| 61 | + SK_ERROR_CHECK(rc); | |
| 62 | + rc = sk_param_get(core, &min); | |
| 63 | + SK_ERROR_CHECK(rc); | |
| 64 | + rc = sk_param_get(core, &in); | |
| 65 | + SK_ERROR_CHECK(rc); | |
| 66 | + | |
| 67 | + patch = sk_core_patch(core); | |
| 68 | + | |
| 69 | + rc = pw_memory_alloc(patch, sizeof(struct scale_n), &ud); | |
| 70 | + SK_PW_ERROR_CHECK(rc); | |
| 71 | + scale = (struct scale_n *)ud; | |
| 72 | + | |
| 73 | + rc = pw_patch_new_node(patch, &node); | |
| 74 | + SK_PW_ERROR_CHECK(rc); | |
| 75 | + | |
| 76 | + rc = pw_node_cables_alloc(node, 4); | |
| 77 | + SK_PW_ERROR_CHECK(rc); | |
| 78 | + | |
| 79 | + pw_node_set_block(node, 3); | |
| 80 | + | |
| 81 | + pw_node_get_cable(node, 0, &scale->in); | |
| 82 | + pw_node_get_cable(node, 1, &scale->min); | |
| 83 | + pw_node_get_cable(node, 2, &scale->max); | |
| 84 | + pw_node_get_cable(node, 3, &scale->out); | |
| 85 | + | |
| 86 | + pw_node_set_data(node, scale); | |
| 87 | + pw_node_set_compute(node, biscale_compute); | |
| 88 | + pw_node_set_destroy(node, destroy); | |
| 89 | + | |
| 90 | + sk_param_set(core, node, &in, 0); | |
| 91 | + sk_param_set(core, node, &min, 1); | |
| 92 | + sk_param_set(core, node, &max, 2); | |
| 93 | + sk_param_out(core, node, 3); | |
| 94 | + return 0; | |
| 95 | +} | |
| @@ -0,0 +1,4 @@ | ||
| 1 | +#ifndef SK_NODE_SCALE_H | |
| 2 | +#define SK_NODE_SCALE_H | |
| 3 | +int sk_node_biscale(sk_core *core); | |
| 4 | +#endif | |