avfilter: compress CUDA PTX code if possible

ffbuild/bin2c.c

@@ -0,0 +1,76 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+    const char *name;
+    FILE *input, *output;
+    unsigned int length = 0;
+    unsigned char data;
+
+    if (argc < 3 || argc > 4)
+        return 1;
+
+    input = fopen(argv[1], "rb");
+    if (!input)
+        return -1;
+
+    output = fopen(argv[2], "wb");
+    if (!output)
+        return -1;
+
+    if (argc == 4) {
+        name = argv[3];
+    } else {
+        size_t arglen = strlen(argv[1]);
+        name = argv[1];
+
+        for (int i = 0; i < arglen; i++) {
+            if (argv[1][i] == '.')
+                argv[1][i] = '_';
+            else if (argv[1][i] == '/')
+                name = &argv[1][i+1];
+        }
+    }
+
+    fprintf(output, "const unsigned char ff_%s_data[] = { ", name);
+
+    while (fread(&data, 1, 1, input) > 0) {
+        fprintf(output, "0x%02x, ", data);
+        length++;
+    }
+
+    fprintf(output, "0x00 };\n");
+    fprintf(output, "const unsigned int ff_%s_len = %u;\n", name, length);
+
+    fclose(output);
+
+    if (ferror(input) || !feof(input))
+        return -1;
+
+    fclose(input);
+
+    return 0;
+}