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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /third_party/libwebrtc/common_audio/signal_processing/dot_product_with_scale.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/common_audio/signal_processing/dot_product_with_scale.h')
-rw-r--r-- | third_party/libwebrtc/common_audio/signal_processing/dot_product_with_scale.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/third_party/libwebrtc/common_audio/signal_processing/dot_product_with_scale.h b/third_party/libwebrtc/common_audio/signal_processing/dot_product_with_scale.h new file mode 100644 index 0000000000..9f0d922aaf --- /dev/null +++ b/third_party/libwebrtc/common_audio/signal_processing/dot_product_with_scale.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2017 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 COMMON_AUDIO_SIGNAL_PROCESSING_DOT_PRODUCT_WITH_SCALE_H_ +#define COMMON_AUDIO_SIGNAL_PROCESSING_DOT_PRODUCT_WITH_SCALE_H_ + +#include <stdint.h> +#include <string.h> + +#ifdef __cplusplus +extern "C" { +#endif + +// Calculates the dot product between two (int16_t) vectors. +// +// Input: +// - vector1 : Vector 1 +// - vector2 : Vector 2 +// - vector_length : Number of samples used in the dot product +// - scaling : The number of right bit shifts to apply on each term +// during calculation to avoid overflow, i.e., the +// output will be in Q(-`scaling`) +// +// Return value : The dot product in Q(-scaling) +int32_t WebRtcSpl_DotProductWithScale(const int16_t* vector1, + const int16_t* vector2, + size_t length, + int scaling); + +#ifdef __cplusplus +} +#endif // __cplusplus +#endif // COMMON_AUDIO_SIGNAL_PROCESSING_DOT_PRODUCT_WITH_SCALE_H_ |