The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/libvpx/vp8/common/generic/systemdependent.c	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,98 @@
     1.4 +/*
     1.5 + *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
     1.6 + *
     1.7 + *  Use of this source code is governed by a BSD-style license
     1.8 + *  that can be found in the LICENSE file in the root of the source
     1.9 + *  tree. An additional intellectual property rights grant can be found
    1.10 + *  in the file PATENTS.  All contributing project authors may
    1.11 + *  be found in the AUTHORS file in the root of the source tree.
    1.12 + */
    1.13 +
    1.14 +
    1.15 +#include "vpx_config.h"
    1.16 +#include "vp8_rtcd.h"
    1.17 +#if ARCH_ARM
    1.18 +#include "vpx_ports/arm.h"
    1.19 +#elif ARCH_X86 || ARCH_X86_64
    1.20 +#include "vpx_ports/x86.h"
    1.21 +#endif
    1.22 +#include "vp8/common/onyxc_int.h"
    1.23 +
    1.24 +#if CONFIG_MULTITHREAD
    1.25 +#if HAVE_UNISTD_H && !defined(__OS2__)
    1.26 +#include <unistd.h>
    1.27 +#elif defined(_WIN32)
    1.28 +#include <windows.h>
    1.29 +typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO);
    1.30 +#elif defined(__OS2__)
    1.31 +#define INCL_DOS
    1.32 +#define INCL_DOSSPINLOCK
    1.33 +#include <os2.h>
    1.34 +#endif
    1.35 +#endif
    1.36 +
    1.37 +#if CONFIG_MULTITHREAD
    1.38 +static int get_cpu_count()
    1.39 +{
    1.40 +    int core_count = 16;
    1.41 +
    1.42 +#if HAVE_UNISTD_H && !defined(__OS2__)
    1.43 +#if defined(_SC_NPROCESSORS_ONLN)
    1.44 +    core_count = sysconf(_SC_NPROCESSORS_ONLN);
    1.45 +#elif defined(_SC_NPROC_ONLN)
    1.46 +    core_count = sysconf(_SC_NPROC_ONLN);
    1.47 +#endif
    1.48 +#elif defined(_WIN32)
    1.49 +    {
    1.50 +        PGNSI pGNSI;
    1.51 +        SYSTEM_INFO sysinfo;
    1.52 +
    1.53 +        /* Call GetNativeSystemInfo if supported or
    1.54 +         * GetSystemInfo otherwise. */
    1.55 +
    1.56 +        pGNSI = (PGNSI) GetProcAddress(
    1.57 +                GetModuleHandle(TEXT("kernel32.dll")), "GetNativeSystemInfo");
    1.58 +        if (pGNSI != NULL)
    1.59 +            pGNSI(&sysinfo);
    1.60 +        else
    1.61 +            GetSystemInfo(&sysinfo);
    1.62 +
    1.63 +        core_count = sysinfo.dwNumberOfProcessors;
    1.64 +    }
    1.65 +#elif defined(__OS2__)
    1.66 +    {
    1.67 +        ULONG proc_id;
    1.68 +        ULONG status;
    1.69 +
    1.70 +        core_count = 0;
    1.71 +        for (proc_id = 1; ; proc_id++)
    1.72 +        {
    1.73 +            if (DosGetProcessorStatus(proc_id, &status))
    1.74 +                break;
    1.75 +
    1.76 +            if (status == PROC_ONLINE)
    1.77 +                core_count++;
    1.78 +        }
    1.79 +    }
    1.80 +#else
    1.81 +    /* other platforms */
    1.82 +#endif
    1.83 +
    1.84 +    return core_count > 0 ? core_count : 1;
    1.85 +}
    1.86 +#endif
    1.87 +
    1.88 +void vp8_clear_system_state_c() {};
    1.89 +
    1.90 +void vp8_machine_specific_config(VP8_COMMON *ctx)
    1.91 +{
    1.92 +#if CONFIG_MULTITHREAD
    1.93 +    ctx->processor_core_count = get_cpu_count();
    1.94 +#endif /* CONFIG_MULTITHREAD */
    1.95 +
    1.96 +#if ARCH_ARM
    1.97 +    ctx->cpu_caps = arm_cpu_caps();
    1.98 +#elif ARCH_X86 || ARCH_X86_64
    1.99 +    ctx->cpu_caps = x86_simd_caps();
   1.100 +#endif
   1.101 +}