src/third_party/opus/BUILD.gn

   1 # Copyright 2014 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import("//build/config/arm.gni")
   6
   7 # If fixed point implementation shall be used (otherwise float).
   8 use_opus_fixed_point = ((is_android || is_chromeos ||
   9                          (is_ios && arm_version == 7)) && cpu_arch == "arm")
  10
  11 # If ARM optimizations shall be used to accelerate performance.
  12 use_opus_arm_optimization = use_opus_fixed_point
  13
  14 # If OPUS Run Time CPU Detections (RTCD) shall be used.
  15 use_opus_rtcd = ((is_android || is_chromeos) && cpu_arch == "arm")
  16
  17 config("opus_config") {
  18   include_dirs = [
  19     "src/include",
  20   ]
  21 }
  22
  23 if (use_opus_rtcd) {
  24   action("convert_rtcd_assembler") {
  25     script = "convert_rtcd_assembler.py"
  26     outputs = [ "$target_gen_dir/celt_pitch_xcorr_arm_gnu.S" ]
  27     args = [
  28       rebase_path("//third_party/opus/src/celt/arm/arm2gnu.pl",
  29                   root_build_dir),
  30       rebase_path("//third_party/opus/src/celt/arm/celt_pitch_xcorr_arm.s",
  31                   root_build_dir),
  32       rebase_path("$target_gen_dir/celt_pitch_xcorr_arm_gnu.S",
  33                   root_build_dir),
  34     ]
  35   }
  36 }
  37
  38 source_set("opus") {
  39   gypi_values = exec_script(
  40       "//build/gypi_to_gn.py",
  41       [ rebase_path("opus_srcs.gypi") ],
  42       "scope",
  43       [ "opus_srcs.gypi" ])
  44   sources = gypi_values.opus_common_sources
  45
  46   defines = [
  47     "OPUS_BUILD",
  48     "OPUS_EXPORT=",
  49   ]
  50
  51   include_dirs = [
  52     "src/celt",
  53     "src/silk",
  54   ]
  55
  56   configs -= [ "//build/config/compiler:chromium_code" ]
  57   configs += [ "//build/config/compiler:no_chromium_code" ]
  58   public_configs = [ ":opus_config" ]
  59
  60   if (is_win) {
  61     defines += [
  62       "USE_ALLOCA",
  63       "inline=__inline",
  64     ]
  65
  66     cflags = [
  67       "/wd4305",  # Disable truncation warning in celt/pitch.c .
  68       "/wd4334",  # Disable 32-bit shift warning in src/opus_encoder.c .
  69     ]
  70   } else {
  71     defines += [
  72       "HAVE_LRINT",
  73       "HAVE_LRINTF",
  74       "VAR_ARRAYS",
  75     ]
  76   }
  77
  78   if (is_posix && !is_android) {
  79     # Suppress a warning given by opus_decoder.c that tells us
  80     # optimizations are turned off.
  81     cflags = [
  82       "-Wno-#pragma-messages",
  83     ]
  84   }
  85
  86   if (use_opus_fixed_point) {
  87     sources += gypi_values.opus_fixed_sources
  88
  89     defines += [ "FIXED_POINT" ]
  90
  91     include_dirs += [
  92       "src/silk/fixed",
  93     ]
  94   } else {
  95     sources += gypi_values.opus_float_sources
  96
  97     include_dirs += [
  98       "src/silk/float",
  99     ]
 100   }
 101
 102   if (use_opus_arm_optimization) {
 103     sources += [
 104       "src/celt/arm/fixed_armv4.h",
 105       "src/celt/arm/fixed_armv5e.h",
 106       "src/celt/arm/kiss_fft_armv4.h",
 107       "src/celt/arm/kiss_fft_armv5e.h",
 108       "src/celt/pitch_arm.h",
 109       "src/silk/arm/macro_armv4.h",
 110       "src/silk/arm/macro_armv5e.h",
 111       "src/silk/arm/SigProc_FIX_armv4.h",
 112       "src/silk/arm/SigProc_FIX_armv5e.h",
 113     ]
 114
 115     defines += [
 116       "OPUS_ARM_ASM",
 117       "OPUS_ARM_INLINE_ASM",
 118       "OPUS_ARM_INLINE_EDSP",
 119     ]
 120
 121     if (use_opus_rtcd) {
 122       sources += [
 123         "src/celt/arm/arm_celt_map.c",
 124         "src/celt/arm/armcpu.c",
 125         "src/celt/arm/armcpu.h",
 126         "$target_gen_dir/celt_pitch_xcorr_arm_gnu.S",
 127       ]
 128
 129       defines += [
 130         "OPUS_ARM_MAY_HAVE_EDSP",
 131         "OPUS_ARM_MAY_HAVE_MEDIA",
 132         "OPUS_ARM_MAY_HAVE_NEON",
 133         "OPUS_HAVE_RTCD",
 134       ]
 135
 136       deps = [ ":convert_rtcd_assembler" ]
 137     }
 138   }
 139 }
 140
 141 executable("opus_demo") {
 142   sources = [
 143     "src/src/opus_demo.c",
 144   ]
 145
 146   configs -= [ "//build/config/compiler:chromium_code" ]
 147   configs += [ "//build/config/compiler:no_chromium_code" ]
 148
 149   include_dirs = [
 150     "src/celt",
 151     "src/silk",
 152   ]
 153
 154   if (is_win) {
 155     defines = [ "inline=__inline" ]
 156   }
 157   if (is_android) {
 158     libs = [ "log" ]
 159   }
 160   if (is_clang) {
 161     cflags = [ "-Wno-absolute-value" ]
 162   }
 163
 164   deps = [ ":opus" ]
 165 }