/*

 *  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

#include <unistd.h>

#elif defined(_WIN32)

#include <windows.h>

typedef void(WINAPI *PGNSI)(LPSYSTEM_INFO);

#endif

#endif

#if CONFIG_MULTITHREAD

static int get_cpu_count(void) {

  int core_count = 16;

#if HAVE_UNISTD_H

#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

#error _WIN32_WINNT must target Windows XP or newer.

#endif

    SYSTEM_INFO sysinfo;

    GetNativeSystemInfo(&sysinfo);

    core_count = (int)sysinfo.dwNumberOfProcessors;

  }

#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();

#else

  (void)ctx;

#endif /* CONFIG_MULTITHREAD */

}