1 files changed, 111 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/common/generic/systemdependent.c b/media/libvpx/libvpx/vp8/common/generic/systemdependent.c
new file mode 100644
index 0000000000..71529bdfd8
--- /dev/null
+++ b/media/libvpx/libvpx/vp8/common/generic/systemdependent.c
@@ -0,0 +1,111 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "vpx_config.h"
+#include "vp8_rtcd.h"
+#if VPX_ARCH_ARM
+#include "vpx_ports/arm.h"
+#elif VPX_ARCH_X86 || VPX_ARCH_X86_64
+#include "vpx_ports/x86.h"
+#elif VPX_ARCH_PPC
+#include "vpx_ports/ppc.h"
+#elif VPX_ARCH_MIPS
+#include "vpx_ports/mips.h"
+#elif VPX_ARCH_LOONGARCH
+#include "vpx_ports/loongarch.h"
+#endif
+#include "vp8/common/onyxc_int.h"
+#include "vp8/common/systemdependent.h"
+
+#if CONFIG_MULTITHREAD
+#if HAVE_UNISTD_H && !defined(__OS2__)
+#include <unistd.h>
+#elif defined(_WIN32)
+#include <windows.h>
+typedef void(WINAPI *PGNSI)(LPSYSTEM_INFO);
+#elif defined(__OS2__)
+#define INCL_DOS
+#define INCL_DOSSPINLOCK
+#include <os2.h>
+#endif
+#endif
+
+#if CONFIG_MULTITHREAD
+static int get_cpu_count() {
+  int core_count = 16;
+
+#if HAVE_UNISTD_H && !defined(__OS2__)
+#if defined(_SC_NPROCESSORS_ONLN)
+  core_count = (int)sysconf(_SC_NPROCESSORS_ONLN);
+#elif defined(_SC_NPROC_ONLN)
+  core_count = (int)sysconf(_SC_NPROC_ONLN);
+#endif
+#elif defined(_WIN32)
+  {
+#if _WIN32_WINNT >= 0x0501
+    SYSTEM_INFO sysinfo;
+    GetNativeSystemInfo(&sysinfo);
+#else
+    PGNSI pGNSI;
+    SYSTEM_INFO sysinfo;
+
+    /* Call GetNativeSystemInfo if supported or
+     * GetSystemInfo otherwise. */
+
+    pGNSI = (PGNSI)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),
+                                  "GetNativeSystemInfo");
+    if (pGNSI != NULL)
+      pGNSI(&sysinfo);
+    else
+      GetSystemInfo(&sysinfo);
+#endif
+
+    core_count = (int)sysinfo.dwNumberOfProcessors;
+  }
+#elif defined(__OS2__)
+  {
+    ULONG proc_id;
+    ULONG status;
+
+    core_count = 0;
+    for (proc_id = 1;; ++proc_id) {
+      if (DosGetProcessorStatus(proc_id, &status)) break;
+
+      if (status == PROC_ONLINE) core_count++;
+    }
+  }
+#else
+/* other platforms */
+#endif
+
+  return core_count > 0 ? core_count : 1;
+}
+#endif
+
+void vp8_machine_specific_config(VP8_COMMON *ctx) {
+#if CONFIG_MULTITHREAD
+  ctx->processor_core_count = get_cpu_count();
+#endif /* CONFIG_MULTITHREAD */
+
+#if VPX_ARCH_ARM
+  ctx->cpu_caps = arm_cpu_caps();
+#elif VPX_ARCH_X86 || VPX_ARCH_X86_64
+  ctx->cpu_caps = x86_simd_caps();
+#elif VPX_ARCH_PPC
+  ctx->cpu_caps = ppc_simd_caps();
+#elif VPX_ARCH_MIPS
+  ctx->cpu_caps = mips_cpu_caps();
+#elif VPX_ARCH_LOONGARCH
+  ctx->cpu_caps = loongarch_cpu_caps();
+#else
+  // generic-gnu targets.
+  ctx->cpu_caps = 0;
+#endif
+}