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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/dav1d/src/ctx.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/dav1d/src/ctx.h')
-rw-r--r--third_party/dav1d/src/ctx.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/third_party/dav1d/src/ctx.h b/third_party/dav1d/src/ctx.h
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+/*
+ * 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.
+ */
+
+#ifndef DAV1D_SRC_CTX_H
+#define DAV1D_SRC_CTX_H
+
+#include <stdint.h>
+
+#include "common/attributes.h"
+
+union alias64 { uint64_t u64; uint8_t u8[8]; } ATTR_ALIAS;
+union alias32 { uint32_t u32; uint8_t u8[4]; } ATTR_ALIAS;
+union alias16 { uint16_t u16; uint8_t u8[2]; } ATTR_ALIAS;
+union alias8 { uint8_t u8; } ATTR_ALIAS;
+
+#define set_ctx_rep4(type, var, off, val) do { \
+ const uint64_t const_val = val; \
+ ((union alias64 *) &var[off + 0])->u64 = const_val; \
+ ((union alias64 *) &var[off + 8])->u64 = const_val; \
+ ((union alias64 *) &var[off + 16])->u64 = const_val; \
+ ((union alias64 *) &var[off + 24])->u64 = const_val; \
+ } while (0)
+#define set_ctx_rep2(type, var, off, val) do { \
+ const uint64_t const_val = val; \
+ ((union alias64 *) &var[off + 0])->u64 = const_val; \
+ ((union alias64 *) &var[off + 8])->u64 = const_val; \
+ } while (0)
+#define set_ctx_rep1(typesz, var, off, val) \
+ ((union alias##typesz *) &var[off])->u##typesz = val
+#define case_set(var, dir, diridx, off) \
+ switch (var) { \
+ case 1: set_ctx( 8, dir, diridx, off, 0x01, set_ctx_rep1); break; \
+ case 2: set_ctx(16, dir, diridx, off, 0x0101, set_ctx_rep1); break; \
+ case 4: set_ctx(32, dir, diridx, off, 0x01010101U, set_ctx_rep1); break; \
+ case 8: set_ctx(64, dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep1); break; \
+ case 16: set_ctx( , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep2); break; \
+ case 32: set_ctx( , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep4); break; \
+ }
+#define case_set_upto16(var, dir, diridx, off) \
+ switch (var) { \
+ case 1: set_ctx( 8, dir, diridx, off, 0x01, set_ctx_rep1); break; \
+ case 2: set_ctx(16, dir, diridx, off, 0x0101, set_ctx_rep1); break; \
+ case 4: set_ctx(32, dir, diridx, off, 0x01010101U, set_ctx_rep1); break; \
+ case 8: set_ctx(64, dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep1); break; \
+ case 16: set_ctx( , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep2); break; \
+ }
+#define case_set_upto32_with_default(var, dir, diridx, off) \
+ switch (var) { \
+ case 1: set_ctx( 8, dir, diridx, off, 0x01, set_ctx_rep1); break; \
+ case 2: set_ctx(16, dir, diridx, off, 0x0101, set_ctx_rep1); break; \
+ case 4: set_ctx(32, dir, diridx, off, 0x01010101U, set_ctx_rep1); break; \
+ case 8: set_ctx(64, dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep1); break; \
+ case 16: set_ctx( , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep2); break; \
+ case 32: set_ctx( , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep4); break; \
+ default: default_memset(dir, diridx, off, var); break; \
+ }
+#define case_set_upto16_with_default(var, dir, diridx, off) \
+ switch (var) { \
+ case 1: set_ctx( 8, dir, diridx, off, 0x01, set_ctx_rep1); break; \
+ case 2: set_ctx(16, dir, diridx, off, 0x0101, set_ctx_rep1); break; \
+ case 4: set_ctx(32, dir, diridx, off, 0x01010101U, set_ctx_rep1); break; \
+ case 8: set_ctx(64, dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep1); break; \
+ case 16: set_ctx( , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep2); break; \
+ default: default_memset(dir, diridx, off, var); break; \
+ }
+
+#endif /* DAV1D_SRC_CTX_H */