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42 lines
1.6 KiB
42 lines
1.6 KiB
4 months ago
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/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <assert.h>
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#include <stdint.h>
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#include <system/audio.h>
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// Ensure that bit mask enum types have 32-bit size.
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// There is a lot of code that assumes this.
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// Note that audio_devices_t is not a pure mask type since R,
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// however there is legacy code which can mix its usage with uint32_t.
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#define AUDIO_ENUM_MASKS_LIST(V) \
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V(audio_channel_mask_t) \
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V(audio_channel_representation_t) \
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V(audio_devices_t) \
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V(audio_flags_mask_t) \
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V(audio_gain_mode_t) \
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V(audio_input_flags_t) \
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V(audio_output_flags_t)
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#define AUDIO_ASSERT_ENUM_MASK_SIZE(t) \
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static_assert(sizeof(t) == sizeof(uint32_t), "The size of \'" #t "\' type must be 32 bits");
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AUDIO_ENUM_MASKS_LIST(AUDIO_ASSERT_ENUM_MASK_SIZE);
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#undef AUDIO_ASSERT_ENUM_MASK_SIZE
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#undef AUDIO_ENUM_MASKS_LIST
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