blob: d45b1a09e9c925fb2b0ff90e80f81f04652dbbfd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* SPDX-FileCopyrightText: Copyright 2021 Arm Limited and/or its affiliates <open-source-office@arm.com>
* SPDX-License-Identifier: Apache-2.0
*
* 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 ASR_WAV2LETTER_MODEL_HPP
#define ASR_WAV2LETTER_MODEL_HPP
#include "Model.hpp"
namespace arm {
namespace app {
namespace asr {
extern const int g_FrameLength;
extern const int g_FrameStride;
extern const float g_ScoreThreshold;
extern const int g_ctxLen;
} /* namespace asr */
} /* namespace app */
} /* namespace arm */
namespace arm {
namespace app {
class Wav2LetterModel : public Model {
public:
/* Indices for the expected model - based on input and output tensor shapes */
static constexpr uint32_t ms_inputRowsIdx = 1;
static constexpr uint32_t ms_inputColsIdx = 2;
static constexpr uint32_t ms_outputRowsIdx = 2;
static constexpr uint32_t ms_outputColsIdx = 3;
/* Model specific constants. */
static constexpr uint32_t ms_blankTokenIdx = 28;
static constexpr uint32_t ms_numMfccFeatures = 13;
protected:
/** @brief Gets the reference to op resolver interface class. */
const tflite::MicroOpResolver& GetOpResolver() override;
/** @brief Adds operations to the op resolver instance. */
bool EnlistOperations() override;
private:
/* Maximum number of individual operations that can be enlisted. */
static constexpr int ms_maxOpCnt = 5;
/* A mutable op resolver instance. */
tflite::MicroMutableOpResolver<ms_maxOpCnt> m_opResolver;
};
} /* namespace app */
} /* namespace arm */
#endif /* ASR_WAV2LETTER_MODEL_HPP */
|
