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Diffstat (limited to '')
| -rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/isac/main/source/os_specific_inline.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/isac/main/source/os_specific_inline.h b/third_party/libwebrtc/modules/audio_coding/codecs/isac/main/source/os_specific_inline.h new file mode 100644 index 0000000000..fe9afa4ba2 --- /dev/null +++ b/third_party/libwebrtc/modules/audio_coding/codecs/isac/main/source/os_specific_inline.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2011 The WebRTC 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. + */ + +#ifndef MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_OS_SPECIFIC_INLINE_H_ +#define MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_OS_SPECIFIC_INLINE_H_ + +#include <math.h> + +#include "rtc_base/system/arch.h" + +#if defined(WEBRTC_POSIX) +#define WebRtcIsac_lrint lrint +#elif (defined(WEBRTC_ARCH_X86) && defined(WIN32)) +static __inline long int WebRtcIsac_lrint(double x_dbl) { + long int x_int; + + __asm { + fld x_dbl + fistp x_int + } + ; + + return x_int; +} +#else // Do a slow but correct implementation of lrint + +static __inline long int WebRtcIsac_lrint(double x_dbl) { + long int x_int; + x_int = (long int)floor(x_dbl + 0.499999999999); + return x_int; +} + +#endif + +#endif // MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_OS_SPECIFIC_INLINE_H_ |