Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 572 insertions, 0 deletions

diff --git a/third_party/dav1d/include/common/attributes.h b/third_party/dav1d/include/common/attributes.h
new file mode 100644
index 0000000000..2af42ef78b
--- /dev/null
+++ b/third_party/dav1d/include/common/attributes.h
@@ -0,0 +1,199 @@
+/*
+ * 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_COMMON_ATTRIBUTES_H
+#define DAV1D_COMMON_ATTRIBUTES_H
+
+#include "config.h"
+
+#include <stddef.h>
+#include <assert.h>
+
+#ifndef __has_attribute
+#define __has_attribute(x) 0
+#endif
+
+#ifndef __has_feature
+#define __has_feature(x) 0
+#endif
+
+#ifdef __GNUC__
+#define ATTR_ALIAS __attribute__((may_alias))
+#define ATTR_FORMAT_PRINTF(fmt, attr) __attribute__((__format__(__printf__, fmt, attr)))
+#define COLD __attribute__((cold))
+#else
+#define ATTR_ALIAS
+#define ATTR_FORMAT_PRINTF(fmt, attr)
+#define COLD
+#endif
+
+#if ARCH_X86_64
+/* x86-64 needs 32- and 64-byte alignment for AVX2 and AVX-512. */
+#define ALIGN_64_VAL 64
+#define ALIGN_32_VAL 32
+#define ALIGN_16_VAL 16
+#elif ARCH_X86_32 || ARCH_ARM || ARCH_AARCH64 || ARCH_PPC64LE
+/* ARM doesn't benefit from anything more than 16-byte alignment. */
+#define ALIGN_64_VAL 16
+#define ALIGN_32_VAL 16
+#define ALIGN_16_VAL 16
+#else
+/* No need for extra alignment on platforms without assembly. */
+#define ALIGN_64_VAL 8
+#define ALIGN_32_VAL 8
+#define ALIGN_16_VAL 8
+#endif
+
+/*
+ * API for variables, struct members (ALIGN()) like:
+ * uint8_t var[1][2][3][4]
+ * becomes:
+ * ALIGN(uint8_t var[1][2][3][4], alignment).
+ */
+#ifdef _MSC_VER
+#define ALIGN(ll, a) \
+    __declspec(align(a)) ll
+#else
+#define ALIGN(line, align) \
+    line __attribute__((aligned(align)))
+#endif
+
+/*
+ * API for stack alignment (ALIGN_STK_$align()) of variables like:
+ * uint8_t var[1][2][3][4]
+ * becomes:
+ * ALIGN_STK_$align(uint8_t, var, 1, [2][3][4])
+ */
+#define ALIGN_STK_64(type, var, sz1d, sznd) \
+    ALIGN(type var[sz1d]sznd, ALIGN_64_VAL)
+#define ALIGN_STK_32(type, var, sz1d, sznd) \
+    ALIGN(type var[sz1d]sznd, ALIGN_32_VAL)
+#define ALIGN_STK_16(type, var, sz1d, sznd) \
+    ALIGN(type var[sz1d]sznd, ALIGN_16_VAL)
+
+/*
+ * Forbid inlining of a function:
+ * static NOINLINE void func() {}
+ */
+#ifdef _MSC_VER
+#define NOINLINE __declspec(noinline)
+#elif __has_attribute(noclone)
+#define NOINLINE __attribute__((noinline, noclone))
+#else
+#define NOINLINE __attribute__((noinline))
+#endif
+
+#ifdef _MSC_VER
+#define ALWAYS_INLINE __forceinline
+#else
+#define ALWAYS_INLINE __attribute__((always_inline)) inline
+#endif
+
+#if (defined(__ELF__) || defined(__MACH__) || (defined(_WIN32) && defined(__clang__))) && __has_attribute(visibility)
+#define EXTERN extern __attribute__((visibility("hidden")))
+#else
+#define EXTERN extern
+#endif
+
+#ifdef __clang__
+#define NO_SANITIZE(x) __attribute__((no_sanitize(x)))
+#else
+#define NO_SANITIZE(x)
+#endif
+
+#if defined(NDEBUG) && (defined(__GNUC__) || defined(__clang__))
+#undef assert
+#define assert(x) do { if (!(x)) __builtin_unreachable(); } while (0)
+#elif defined(NDEBUG) && defined(_MSC_VER)
+#undef assert
+#define assert __assume
+#endif
+
+#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
+#    define dav1d_uninit(x) x=x
+#else
+#    define dav1d_uninit(x) x
+#endif
+
+#if defined(_MSC_VER) && !defined(__clang__)
+#include <intrin.h>
+
+static inline int ctz(const unsigned int mask) {
+    unsigned long idx;
+    _BitScanForward(&idx, mask);
+    return idx;
+}
+
+static inline int clz(const unsigned int mask) {
+    unsigned long leading_zero = 0;
+    _BitScanReverse(&leading_zero, mask);
+    return (31 - leading_zero);
+}
+
+#ifdef _WIN64
+static inline int clzll(const unsigned long long mask) {
+    unsigned long leading_zero = 0;
+    _BitScanReverse64(&leading_zero, mask);
+    return (63 - leading_zero);
+}
+#else /* _WIN64 */
+static inline int clzll(const unsigned long long mask) {
+    if (mask >> 32)
+        return clz((unsigned)(mask >> 32));
+    else
+        return clz((unsigned)mask) + 32;
+}
+#endif /* _WIN64 */
+#else /* !_MSC_VER */
+static inline int ctz(const unsigned int mask) {
+    return __builtin_ctz(mask);
+}
+
+static inline int clz(const unsigned int mask) {
+    return __builtin_clz(mask);
+}
+
+static inline int clzll(const unsigned long long mask) {
+    return __builtin_clzll(mask);
+}
+#endif /* !_MSC_VER */
+
+#ifndef static_assert
+#define CHECK_OFFSET(type, field, name) \
+    struct check_##type##_##field { int x[(name == offsetof(type, field)) ? 1 : -1]; }
+#else
+#define CHECK_OFFSET(type, field, name) \
+    static_assert(name == offsetof(type, field), #field)
+#endif
+
+#ifdef _MSC_VER
+#define PACKED(...) __pragma(pack(push, 1)) __VA_ARGS__ __pragma(pack(pop))
+#else
+#define PACKED(...) __VA_ARGS__ __attribute__((__packed__))
+#endif
+
+#endif /* DAV1D_COMMON_ATTRIBUTES_H */
diff --git a/third_party/dav1d/include/common/bitdepth.h b/third_party/dav1d/include/common/bitdepth.h
new file mode 100644
index 0000000000..88a822aab2
--- /dev/null
+++ b/third_party/dav1d/include/common/bitdepth.h
@@ -0,0 +1,93 @@
+/*
+ * 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_COMMON_BITDEPTH_H
+#define DAV1D_COMMON_BITDEPTH_H
+
+#include <stdint.h>
+#include <string.h>
+
+#include "common/attributes.h"
+
+#if !defined(BITDEPTH)
+typedef void pixel;
+typedef void coef;
+#define HIGHBD_DECL_SUFFIX /* nothing */
+#define HIGHBD_CALL_SUFFIX /* nothing */
+#define HIGHBD_TAIL_SUFFIX /* nothing */
+#elif BITDEPTH == 8
+typedef uint8_t pixel;
+typedef int16_t coef;
+#define PIXEL_TYPE uint8_t
+#define COEF_TYPE int16_t
+#define pixel_copy memcpy
+#define pixel_set memset
+#define iclip_pixel iclip_u8
+#define PIX_HEX_FMT "%02x"
+#define bitfn(x) x##_8bpc
+#define BF(x, suffix) x##_8bpc_##suffix
+#define PXSTRIDE(x) (x)
+#define highbd_only(x)
+#define HIGHBD_DECL_SUFFIX /* nothing */
+#define HIGHBD_CALL_SUFFIX /* nothing */
+#define HIGHBD_TAIL_SUFFIX /* nothing */
+#define bitdepth_from_max(x) 8
+#define BITDEPTH_MAX 0xff
+#elif BITDEPTH == 16
+typedef uint16_t pixel;
+typedef int32_t coef;
+#define PIXEL_TYPE uint16_t
+#define COEF_TYPE int32_t
+#define pixel_copy(a, b, c) memcpy(a, b, (c) << 1)
+static inline void pixel_set(pixel *const dst, const int val, const int num) {
+    for (int n = 0; n < num; n++)
+        dst[n] = val;
+}
+#define PIX_HEX_FMT "%03x"
+#define iclip_pixel(x) iclip(x, 0, bitdepth_max)
+#define HIGHBD_DECL_SUFFIX , const int bitdepth_max
+#define HIGHBD_CALL_SUFFIX , f->bitdepth_max
+#define HIGHBD_TAIL_SUFFIX , bitdepth_max
+#define bitdepth_from_max(bitdepth_max) (32 - clz(bitdepth_max))
+#define BITDEPTH_MAX bitdepth_max
+#define bitfn(x) x##_16bpc
+#define BF(x, suffix) x##_16bpc_##suffix
+static inline ptrdiff_t PXSTRIDE(const ptrdiff_t x) {
+    assert(!(x & 1));
+    return x >> 1;
+}
+#define highbd_only(x) x
+#else
+#error invalid value for bitdepth
+#endif
+#define bytefn(x) bitfn(x)
+
+#define bitfn_decls(name, ...) \
+name##_8bpc(__VA_ARGS__); \
+name##_16bpc(__VA_ARGS__)
+
+#endif /* DAV1D_COMMON_BITDEPTH_H */
diff --git a/third_party/dav1d/include/common/dump.h b/third_party/dav1d/include/common/dump.h
new file mode 100644
index 0000000000..9ffab6a45e
--- /dev/null
+++ b/third_party/dav1d/include/common/dump.h
@@ -0,0 +1,92 @@
+/*
+ * 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_COMMON_DUMP_H
+#define DAV1D_COMMON_DUMP_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "common/bitdepth.h"
+
+static inline void append_plane_to_file(const pixel *buf, ptrdiff_t stride,
+                                        int w, int h, const char *const file)
+{
+    FILE *const f = fopen(file, "ab");
+    while (h--) {
+        fwrite(buf, w * sizeof(pixel), 1, f);
+        buf += PXSTRIDE(stride);
+    }
+    fclose(f);
+}
+
+static inline void hex_fdump(FILE *out, const pixel *buf, ptrdiff_t stride,
+                             int w, int h, const char *what)
+{
+    fprintf(out, "%s\n", what);
+    while (h--) {
+        int x;
+        for (x = 0; x < w; x++)
+            fprintf(out, " " PIX_HEX_FMT, buf[x]);
+        buf += PXSTRIDE(stride);
+        fprintf(out, "\n");
+    }
+}
+
+static inline void hex_dump(const pixel *buf, ptrdiff_t stride,
+                            int w, int h, const char *what)
+{
+    hex_fdump(stdout, buf, stride, w, h, what);
+}
+
+static inline void coef_dump(const coef *buf, const int w, const int h,
+                             const int len, const char *what)
+{
+    int y;
+    printf("%s\n", what);
+    for (y = 0; y < h; y++) {
+        int x;
+        for (x = 0; x < w; x++)
+            printf(" %*d", len, buf[x]);
+        buf += w;
+        printf("\n");
+    }
+}
+
+static inline void ac_dump(const int16_t *buf, int w, int h, const char *what)
+{
+    printf("%s\n", what);
+    while (h--) {
+        for (int x = 0; x < w; x++)
+            printf(" %03d", buf[x]);
+        buf += w;
+        printf("\n");
+    }
+}
+
+#endif /* DAV1D_COMMON_DUMP_H */
diff --git a/third_party/dav1d/include/common/frame.h b/third_party/dav1d/include/common/frame.h
new file mode 100644
index 0000000000..767f7fd06a
--- /dev/null
+++ b/third_party/dav1d/include/common/frame.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2021, VideoLAN and dav1d authors
+ * 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_COMMON_FRAME_H
+#define DAV1D_COMMON_FRAME_H
+
+/*
+ * Checks whether Dav1dFrameType == INTER || == SWITCH
+ * Both are defined as odd numbers {1, 3} and therefore have the LSB set.
+ * See also: AV1 spec 6.8.2
+ */
+#define IS_INTER_OR_SWITCH(frame_header) \
+    ((frame_header)->frame_type & 1)
+
+/*
+ * Checks whether Dav1dFrameType == KEY || == INTRA
+ * See also: AV1 spec 6.8.2
+ */
+#define IS_KEY_OR_INTRA(frame_header) \
+    (!IS_INTER_OR_SWITCH(frame_header))
+
+#endif /* DAV1D_COMMON_FRAME_H */
diff --git a/third_party/dav1d/include/common/intops.h b/third_party/dav1d/include/common/intops.h
new file mode 100644
index 0000000000..2d21998b71
--- /dev/null
+++ b/third_party/dav1d/include/common/intops.h
@@ -0,0 +1,84 @@
+/*
+ * 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_COMMON_INTOPS_H
+#define DAV1D_COMMON_INTOPS_H
+
+#include <stdint.h>
+
+#include "common/attributes.h"
+
+static inline int imax(const int a, const int b) {
+    return a > b ? a : b;
+}
+
+static inline int imin(const int a, const int b) {
+    return a < b ? a : b;
+}
+
+static inline unsigned umax(const unsigned a, const unsigned b) {
+    return a > b ? a : b;
+}
+
+static inline unsigned umin(const unsigned a, const unsigned b) {
+    return a < b ? a : b;
+}
+
+static inline int iclip(const int v, const int min, const int max) {
+    return v < min ? min : v > max ? max : v;
+}
+
+static inline int iclip_u8(const int v) {
+    return iclip(v, 0, 255);
+}
+
+static inline int apply_sign(const int v, const int s) {
+    return s < 0 ? -v : v;
+}
+
+static inline int apply_sign64(const int v, const int64_t s) {
+    return s < 0 ? -v : v;
+}
+
+static inline int ulog2(const unsigned v) {
+    return 31 - clz(v);
+}
+
+static inline int u64log2(const uint64_t v) {
+    return 63 - clzll(v);
+}
+
+static inline unsigned inv_recenter(const unsigned r, const unsigned v) {
+    if (v > (r << 1))
+        return v;
+    else if ((v & 1) == 0)
+        return (v >> 1) + r;
+    else
+        return r - ((v + 1) >> 1);
+}
+
+#endif /* DAV1D_COMMON_INTOPS_H */
diff --git a/third_party/dav1d/include/common/validate.h b/third_party/dav1d/include/common/validate.h
new file mode 100644
index 0000000000..3096f3db8e
--- /dev/null
+++ b/third_party/dav1d/include/common/validate.h
@@ -0,0 +1,59 @@
+/*
+ * 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_COMMON_VALIDATE_H
+#define DAV1D_COMMON_VALIDATE_H
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(NDEBUG)
+#define debug_abort()
+#else
+#define debug_abort abort
+#endif
+
+#define validate_input_or_ret_with_msg(x, r, ...) \
+    if (!(x)) { \
+        fprintf(stderr, "Input validation check \'%s\' failed in %s!\n", \
+                #x, __func__); \
+        fprintf(stderr, __VA_ARGS__); \
+        debug_abort(); \
+        return r; \
+    }
+
+#define validate_input_or_ret(x, r) \
+    if (!(x)) { \
+        fprintf(stderr, "Input validation check \'%s\' failed in %s!\n", \
+                #x, __func__); \
+        debug_abort(); \
+        return r; \
+    }
+
+#define validate_input(x) validate_input_or_ret(x, )
+
+#endif /* DAV1D_COMMON_VALIDATE_H */