summaryrefslogtreecommitdiffstats
path: root/third_party/dav1d/tools/output/md5.c
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/dav1d/tools/output/md5.c')
-rw-r--r--third_party/dav1d/tools/output/md5.c317
1 files changed, 317 insertions, 0 deletions
diff --git a/third_party/dav1d/tools/output/md5.c b/third_party/dav1d/tools/output/md5.c
new file mode 100644
index 0000000000..6555de83ad
--- /dev/null
+++ b/third_party/dav1d/tools/output/md5.c
@@ -0,0 +1,317 @@
+/*
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2018, Two Orioles, LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. 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 COPYRIGHT OWNER 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.
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#include "common/intops.h"
+
+#include "output/muxer.h"
+
+static const uint8_t s[][4] = {
+ { 7, 12, 17, 22, },
+ { 5, 9, 14, 20, },
+ { 4, 11, 16, 23, },
+ { 6, 10, 15, 21, },
+};
+
+static const unsigned k[] = {
+ 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
+ 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
+ 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
+ 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
+ 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
+ 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
+ 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
+ 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
+ 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
+ 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
+ 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
+ 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
+ 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
+ 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
+ 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
+ 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391,
+};
+
+
+#if ENDIANNESS_BIG
+#define NE2LE_32(x) (((x & 0x00ff) << 24) |\
+ ((x & 0xff00) << 8) |\
+ ((x >> 8) & 0xff00) |\
+ ((x >> 24) & 0x00ff))
+
+#define NE2LE_64(x) (((x & 0x000000ff) << 56) |\
+ ((x & 0x0000ff00) << 40) |\
+ ((x & 0x00ff0000) << 24) |\
+ ((x & 0xff000000) << 8) |\
+ ((x >> 8) & 0xff000000) |\
+ ((x >> 24) & 0x00ff0000) |\
+ ((x >> 40) & 0x0000ff00) |\
+ ((x >> 56) & 0x000000ff))
+
+#else
+#define NE2LE_32(x) (x)
+#define NE2LE_64(x) (x)
+#endif
+
+typedef struct MuxerPriv {
+ unsigned abcd[4];
+ uint8_t data[64];
+ uint64_t len;
+ FILE *f;
+#if ENDIANNESS_BIG
+ uint8_t *bswap;
+ int bswap_w;
+#endif
+} MD5Context;
+
+static int md5_open(MD5Context *const md5, const char *const file,
+ const Dav1dPictureParameters *const p,
+ const unsigned fps[2])
+{
+ if (!strcmp(file, "-")) {
+ md5->f = stdout;
+ } else if (!(md5->f = fopen(file, "wb"))) {
+ fprintf(stderr, "Failed to open %s: %s\n", file, strerror(errno));
+ return -1;
+ }
+
+#if ENDIANNESS_BIG
+ md5->bswap = NULL;
+ md5->bswap_w = 0;
+#endif
+
+ md5->abcd[0] = 0x67452301;
+ md5->abcd[1] = 0xefcdab89;
+ md5->abcd[2] = 0x98badcfe;
+ md5->abcd[3] = 0x10325476;
+ md5->len = 0;
+
+ return 0;
+}
+
+static inline unsigned leftrotate(const unsigned x, const unsigned c) {
+ return (x << c) | (x >> (32 - c));
+}
+
+static void md5_body(MD5Context *md5, const uint8_t *const _data) {
+ const uint32_t *data = (uint32_t *) _data;
+
+ unsigned a = md5->abcd[0];
+ unsigned b = md5->abcd[1];
+ unsigned c = md5->abcd[2];
+ unsigned d = md5->abcd[3];
+ unsigned i;
+
+ for (i = 0; i < 64; i++) {
+ unsigned f, g, tmp;
+
+ if (i < 16) {
+ f = (b & c) | (~b & d);
+ g = i;
+ } else if (i < 32) {
+ f = (d & b) | (~d & c);
+ g = (5 * i + 1) & 15;
+ } else if (i < 48) {
+ f = b ^ c ^ d;
+ g = (3 * i + 5) & 15;
+ } else {
+ f = c ^ (b | ~d);
+ g = (7 * i) & 15;
+ }
+
+ tmp = d;
+ d = c;
+ c = b;
+ b += leftrotate(a + f + k[i] + NE2LE_32(data[g]), s[i >> 4][i & 3]);
+ a = tmp;
+ }
+
+ md5->abcd[0] += a;
+ md5->abcd[1] += b;
+ md5->abcd[2] += c;
+ md5->abcd[3] += d;
+}
+
+static void md5_update(MD5Context *const md5, const uint8_t *data, unsigned len) {
+ if (!len) return;
+
+ if (md5->len & 63) {
+ const unsigned tmp = imin(len, 64 - (md5->len & 63));
+
+ memcpy(&md5->data[md5->len & 63], data, tmp);
+ len -= tmp;
+ data += tmp;
+ md5->len += tmp;
+ if (!(md5->len & 63))
+ md5_body(md5, md5->data);
+ }
+
+ while (len >= 64) {
+ memcpy(md5->data, data, 64);
+ md5_body(md5, md5->data);
+ md5->len += 64;
+ data += 64;
+ len -= 64;
+ }
+
+ if (len) {
+ memcpy(md5->data, data, len);
+ md5->len += len;
+ }
+}
+
+static int md5_write(MD5Context *const md5, Dav1dPicture *const p) {
+ const int hbd = p->p.bpc > 8;
+ const int w = p->p.w, h = p->p.h;
+ uint8_t *yptr = p->data[0];
+
+#if ENDIANNESS_BIG
+ if (hbd && (!md5->bswap || md5->bswap_w < p->p.w)) {
+ free(md5->bswap);
+ md5->bswap_w = 0;
+ md5->bswap = malloc(p->p.w << 1);
+ if (!md5->bswap) return -1;
+ md5->bswap_w = p->p.w;
+ }
+#endif
+
+ for (int y = 0; y < h; y++) {
+#if ENDIANNESS_BIG
+ if (hbd) {
+ for (int x = 0; x < w; x++) {
+ md5->bswap[2 * x + 1] = yptr[2 * x];
+ md5->bswap[2 * x] = yptr[2 * x + 1];
+ }
+ md5_update(md5, md5->bswap, w << hbd);
+ } else
+#endif
+ md5_update(md5, yptr, w << hbd);
+ yptr += p->stride[0];
+ }
+
+ if (p->p.layout != DAV1D_PIXEL_LAYOUT_I400) {
+ const int ss_ver = p->p.layout == DAV1D_PIXEL_LAYOUT_I420;
+ const int ss_hor = p->p.layout != DAV1D_PIXEL_LAYOUT_I444;
+ const int cw = (w + ss_hor) >> ss_hor;
+ const int ch = (h + ss_ver) >> ss_ver;
+ for (int pl = 1; pl <= 2; pl++) {
+ uint8_t *uvptr = p->data[pl];
+
+ for (int y = 0; y < ch; y++) {
+#if ENDIANNESS_BIG
+ if (hbd) {
+ for (int x = 0; x < cw; x++){
+ md5->bswap[2 * x + 1] = uvptr[2 * x];
+ md5->bswap[2 * x] = uvptr[2 * x + 1];
+ }
+ md5_update(md5, md5->bswap, cw << hbd);
+ } else
+#endif
+ md5_update(md5, uvptr, cw << hbd);
+ uvptr += p->stride[1];
+ }
+ }
+ }
+
+ dav1d_picture_unref(p);
+
+ return 0;
+}
+
+static void md5_finish(MD5Context *const md5) {
+ static const uint8_t bit[2] = { 0x80, 0x00 };
+ uint64_t len = NE2LE_64(md5->len << 3);
+
+ md5_update(md5, &bit[0], 1);
+ while ((md5->len & 63) != 56)
+ md5_update(md5, &bit[1], 1);
+ md5_update(md5, (uint8_t *) &len, 8);
+}
+
+static void md5_close(MD5Context *const md5) {
+ md5_finish(md5);
+ for (int i = 0; i < 4; i++)
+ fprintf(md5->f, "%2.2x%2.2x%2.2x%2.2x",
+ md5->abcd[i] & 0xff,
+ (md5->abcd[i] >> 8) & 0xff,
+ (md5->abcd[i] >> 16) & 0xff,
+ md5->abcd[i] >> 24);
+ fprintf(md5->f, "\n");
+
+#if ENDIANNESS_BIG
+ free(md5->bswap);
+ md5->bswap_w = 0;
+#endif
+
+ if (md5->f != stdout)
+ fclose(md5->f);
+}
+
+static int md5_verify(MD5Context *const md5, const char *const md5_str) {
+ md5_finish(md5);
+
+ if (strlen(md5_str) < 32)
+ return 0;
+
+ const char *p = md5_str;
+ unsigned abcd[4] = { 0 };
+ char t[3] = { 0 };
+ for (int i = 0; i < 4; i++) {
+ for (int j = 0; j < 4; j++) {
+ unsigned val;
+ char *ignore;
+ memcpy(t, p, 2);
+ p += 2;
+ val = (unsigned) strtoul(t, &ignore, 16);
+ abcd[i] |= val << (8 * j);
+ }
+ }
+
+#if ENDIANNESS_BIG
+ free(md5->bswap);
+ md5->bswap_w = 0;
+#endif
+
+ return !!memcmp(abcd, md5->abcd, sizeof(abcd));
+}
+
+const Muxer md5_muxer = {
+ .priv_data_size = sizeof(MD5Context),
+ .name = "md5",
+ .extension = "md5",
+ .write_header = md5_open,
+ .write_picture = md5_write,
+ .write_trailer = md5_close,
+ .verify = md5_verify,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-09 18:41:59 +0000