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author | Jean-Michel Trivi <jmtrivi@google.com> | 2013-09-10 09:15:18 -0700 |
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committer | Jean-Michel Trivi <jmtrivi@google.com> | 2013-09-17 18:43:01 -0700 |
commit | 6cc3a9948b51193dfdcb0c3527d7f3d1ca38aa3c (patch) | |
tree | 5545a323750c07f0210f43f727e828ec7fa9f918 /media/libeffects/loudness/common/core/basic_types.h | |
parent | 18f861404efc054da0a2ea6c582e293940f63bc8 (diff) | |
download | frameworks_av-6cc3a9948b51193dfdcb0c3527d7f3d1ca38aa3c.zip frameworks_av-6cc3a9948b51193dfdcb0c3527d7f3d1ca38aa3c.tar.gz frameworks_av-6cc3a9948b51193dfdcb0c3527d7f3d1ca38aa3c.tar.bz2 |
LoudnessEnhancer audio effect implementation
Implementation based on DRC effect, controlled by a
target gain.
The target gain is used to amplify the signal at
the input of the DRC, and to compute the knee
of the DRC.
Bug 8413913
Change-Id: I386d64793a9fa3f7218e053d6f0a99f6836c02bd
Diffstat (limited to 'media/libeffects/loudness/common/core/basic_types.h')
-rw-r--r-- | media/libeffects/loudness/common/core/basic_types.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/media/libeffects/loudness/common/core/basic_types.h b/media/libeffects/loudness/common/core/basic_types.h new file mode 100644 index 0000000..593e914 --- /dev/null +++ b/media/libeffects/loudness/common/core/basic_types.h @@ -0,0 +1,114 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef LE_FX_ENGINE_COMMON_CORE_BASIC_TYPES_H_ +#define LE_FX_ENGINE_COMMON_CORE_BASIC_TYPES_H_ + +#include <stddef.h> +#include <stdlib.h> +#include <string> +using ::std::string; +using ::std::basic_string; +#include <vector> +using ::std::vector; + +#include "common/core/os.h" + +// ----------------------------------------------------------------------------- +// Definitions of common basic types: +// ----------------------------------------------------------------------------- + +#if !defined(G_COMPILE) && !defined(BASE_INTEGRAL_TYPES_H_) + +namespace le_fx { + +typedef signed char schar; +typedef signed char int8; +typedef short int16; +typedef int int32; +typedef long long int64; + +typedef unsigned char uint8; +typedef unsigned short uint16; +typedef unsigned int uint32; +typedef unsigned long long uint64; + +} // namespace le_fx + +#endif + +namespace le_fx { + +struct FloatArray { + int length; + float *data; + + FloatArray(void) { + data = NULL; + length = 0; + } +}; + +struct Int16Array { + int length; + int16 *data; + + Int16Array(void) { + data = NULL; + length = 0; + } +}; + +struct Int32Array { + int length; + int32 *data; + + Int32Array(void) { + data = NULL; + length = 0; + } +}; + +struct Int8Array { + int length; + uint8 *data; + + Int8Array(void) { + data = NULL; + length = 0; + } +}; + +// +// Simple wrapper for waveform data: +// +class WaveData : public vector<int16> { + public: + WaveData(); + ~WaveData(); + + void Set(int number_samples, int sampling_rate, int16 *data); + int sample_rate(void) const; + void set_sample_rate(int sample_rate); + bool Equals(const WaveData &wave_data, int threshold = 0) const; + + private: + int sample_rate_; +}; + +} // namespace le_fx + +#endif // LE_FX_ENGINE_COMMON_CORE_BASIC_TYPES_H_ |