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-rw-r--r--third_party/aom/aom_mem/aom_mem.c84
-rw-r--r--third_party/aom/aom_mem/aom_mem.cmake26
-rw-r--r--third_party/aom/aom_mem/aom_mem.h70
-rw-r--r--third_party/aom/aom_mem/include/aom_mem_intrnl.h33
4 files changed, 213 insertions, 0 deletions
diff --git a/third_party/aom/aom_mem/aom_mem.c b/third_party/aom/aom_mem/aom_mem.c
new file mode 100644
index 0000000000..e603fc5bfb
--- /dev/null
+++ b/third_party/aom/aom_mem/aom_mem.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include "aom_mem.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "include/aom_mem_intrnl.h"
+#include "aom/aom_integer.h"
+
+#if defined(AOM_MAX_ALLOCABLE_MEMORY)
+// Returns 0 in case of overflow of nmemb * size.
+static int check_size_argument_overflow(uint64_t nmemb, uint64_t size) {
+ const uint64_t total_size = nmemb * size;
+ if (nmemb == 0) return 1;
+ if (size > AOM_MAX_ALLOCABLE_MEMORY / nmemb) return 0;
+ if (total_size != (size_t)total_size) return 0;
+ return 1;
+}
+#endif
+
+static size_t GetAlignedMallocSize(size_t size, size_t align) {
+ return size + align - 1 + ADDRESS_STORAGE_SIZE;
+}
+
+static size_t *GetMallocAddressLocation(void *const mem) {
+ return ((size_t *)mem) - 1;
+}
+
+static void SetActualMallocAddress(void *const mem,
+ const void *const malloc_addr) {
+ size_t *const malloc_addr_location = GetMallocAddressLocation(mem);
+ *malloc_addr_location = (size_t)malloc_addr;
+}
+
+static void *GetActualMallocAddress(void *const mem) {
+ const size_t *const malloc_addr_location = GetMallocAddressLocation(mem);
+ return (void *)(*malloc_addr_location);
+}
+
+void *aom_memalign(size_t align, size_t size) {
+ void *x = NULL;
+ const size_t aligned_size = GetAlignedMallocSize(size, align);
+#if defined(AOM_MAX_ALLOCABLE_MEMORY)
+ if (!check_size_argument_overflow(1, aligned_size)) return NULL;
+#endif
+ void *const addr = malloc(aligned_size);
+ if (addr) {
+ x = align_addr((unsigned char *)addr + ADDRESS_STORAGE_SIZE, align);
+ SetActualMallocAddress(x, addr);
+ }
+ return x;
+}
+
+void *aom_malloc(size_t size) { return aom_memalign(DEFAULT_ALIGNMENT, size); }
+
+void *aom_calloc(size_t num, size_t size) {
+ const size_t total_size = num * size;
+ void *const x = aom_malloc(total_size);
+ if (x) memset(x, 0, total_size);
+ return x;
+}
+
+void aom_free(void *memblk) {
+ if (memblk) {
+ void *addr = GetActualMallocAddress(memblk);
+ free(addr);
+ }
+}
+
+void *aom_memset16(void *dest, int val, size_t length) {
+ size_t i;
+ uint16_t *dest16 = (uint16_t *)dest;
+ for (i = 0; i < length; i++) *dest16++ = val;
+ return dest;
+}
diff --git a/third_party/aom/aom_mem/aom_mem.cmake b/third_party/aom/aom_mem/aom_mem.cmake
new file mode 100644
index 0000000000..eaee8440b8
--- /dev/null
+++ b/third_party/aom/aom_mem/aom_mem.cmake
@@ -0,0 +1,26 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_AOM_MEM_AOM_MEM_CMAKE_)
+ return()
+endif() # AOM_AOM_MEM_AOM_MEM_CMAKE_
+set(AOM_AOM_MEM_AOM_MEM_CMAKE_ 1)
+
+list(APPEND AOM_MEM_SOURCES "${AOM_ROOT}/aom_mem/aom_mem.c"
+ "${AOM_ROOT}/aom_mem/aom_mem.h"
+ "${AOM_ROOT}/aom_mem/include/aom_mem_intrnl.h")
+
+# Creates the aom_mem build target and makes libaom depend on it. The libaom
+# target must exist before this function is called.
+function(setup_aom_mem_targets)
+ add_library(aom_mem OBJECT ${AOM_MEM_SOURCES})
+ set(AOM_LIB_TARGETS ${AOM_LIB_TARGETS} aom_mem PARENT_SCOPE)
+ target_sources(aom PRIVATE $<TARGET_OBJECTS:aom_mem>)
+endfunction()
diff --git a/third_party/aom/aom_mem/aom_mem.h b/third_party/aom/aom_mem/aom_mem.h
new file mode 100644
index 0000000000..4b1fa45f19
--- /dev/null
+++ b/third_party/aom/aom_mem/aom_mem.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AOM_MEM_AOM_MEM_H_
+#define AOM_AOM_MEM_AOM_MEM_H_
+
+#include "aom/aom_integer.h"
+#include "config/aom_config.h"
+
+#if defined(__uClinux__)
+#include <lddk.h>
+#endif
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#ifndef AOM_MAX_ALLOCABLE_MEMORY
+#if SIZE_MAX > (1ULL << 32)
+#define AOM_MAX_ALLOCABLE_MEMORY 8589934592 // 8 GB
+#else
+// For 32-bit targets keep this below INT_MAX to avoid valgrind warnings.
+#define AOM_MAX_ALLOCABLE_MEMORY ((1ULL << 31) - (1 << 16))
+#endif
+#endif
+
+void *aom_memalign(size_t align, size_t size);
+void *aom_malloc(size_t size);
+void *aom_calloc(size_t num, size_t size);
+void aom_free(void *memblk);
+void *aom_memset16(void *dest, int val, size_t length);
+
+#include <string.h>
+
+#ifdef AOM_MEM_PLTFRM
+#include AOM_MEM_PLTFRM
+#endif
+
+#if CONFIG_DEBUG
+#define AOM_CHECK_MEM_ERROR(error_info, lval, expr) \
+ do { \
+ lval = (expr); \
+ if (!lval) \
+ aom_internal_error(error_info, AOM_CODEC_MEM_ERROR, \
+ "Failed to allocate " #lval " at %s:%d", __FILE__, \
+ __LINE__); \
+ } while (0)
+#else
+#define AOM_CHECK_MEM_ERROR(error_info, lval, expr) \
+ do { \
+ lval = (expr); \
+ if (!lval) \
+ aom_internal_error(error_info, AOM_CODEC_MEM_ERROR, \
+ "Failed to allocate " #lval); \
+ } while (0)
+#endif
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif // AOM_AOM_MEM_AOM_MEM_H_
diff --git a/third_party/aom/aom_mem/include/aom_mem_intrnl.h b/third_party/aom/aom_mem/include/aom_mem_intrnl.h
new file mode 100644
index 0000000000..cbc30a9bbb
--- /dev/null
+++ b/third_party/aom/aom_mem/include/aom_mem_intrnl.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AOM_MEM_INCLUDE_AOM_MEM_INTRNL_H_
+#define AOM_AOM_MEM_INCLUDE_AOM_MEM_INTRNL_H_
+
+#include "config/aom_config.h"
+
+#define ADDRESS_STORAGE_SIZE sizeof(size_t)
+
+#ifndef DEFAULT_ALIGNMENT
+#if defined(VXWORKS)
+/*default addr alignment to use in calls to aom_* functions other than
+ aom_memalign*/
+#define DEFAULT_ALIGNMENT 32
+#else
+#define DEFAULT_ALIGNMENT (2 * sizeof(void *)) /* NOLINT */
+#endif
+#endif
+
+/*returns an addr aligned to the byte boundary specified by align*/
+#define align_addr(addr, align) \
+ (void *)(((size_t)(addr) + ((align)-1)) & ~(size_t)((align)-1))
+
+#endif // AOM_AOM_MEM_INCLUDE_AOM_MEM_INTRNL_H_
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 11:43:51 +0000