Add missing file

Author: jmvalin

src/write_weights.c

@@ -0,0 +1,77 @@
+/* Copyright (c) 2023 Amazon */
+/*
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   - Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+   - Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stddef.h>
+#include "nnet.h"
+#include "arch.h"
+#include "nnet.h"
+
+/* This is a bit of a hack because we need to build nnet_data.c and plc_data.c without USE_WEIGHTS_FILE,
+   but USE_WEIGHTS_FILE is defined in config.h. */
+#undef HAVE_CONFIG_H
+#ifdef USE_WEIGHTS_FILE
+#undef USE_WEIGHTS_FILE
+#endif
+#include "rnnoise_data.c"
+
+void write_weights(const WeightArray *list, FILE *fout)
+{
+  int i=0;
+  unsigned char zeros[WEIGHT_BLOCK_SIZE] = {0};
+  while (list[i].name != NULL) {
+    WeightHead h;
+    if (strlen(list[i].name) >= sizeof(h.name) - 1) {
+      printf("[write_weights] warning: name %s too long\n", list[i].name);
+    }
+    memcpy(h.head, "DNNw", 4);
+    h.version = WEIGHT_BLOB_VERSION;
+    h.type = list[i].type;
+    h.size = list[i].size;
+    h.block_size = (h.size+WEIGHT_BLOCK_SIZE-1)/WEIGHT_BLOCK_SIZE*WEIGHT_BLOCK_SIZE;
+    RNN_CLEAR(h.name, sizeof(h.name));
+    strncpy(h.name, list[i].name, sizeof(h.name));
+    h.name[sizeof(h.name)-1] = 0;
+    celt_assert(sizeof(h) == WEIGHT_BLOCK_SIZE);
+    fwrite(&h, 1, WEIGHT_BLOCK_SIZE, fout);
+    fwrite(list[i].data, 1, h.size, fout);
+    fwrite(zeros, 1, h.block_size-h.size, fout);
+    i++;
+  }
+}
+
+int main(void)
+{
+  FILE *fout = fopen("weights_blob.bin", "w");
+  write_weights(rnnoise_arrays, fout);
+  fclose(fout);
+  return 0;
+}