36 lines
1.2 KiB
Objective-C
36 lines
1.2 KiB
Objective-C
// Copyright 2023 The MediaPipe Authors.
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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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#ifndef MEDIAPIPE_OBJC_AUDIO_UTIL_H_
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#define MEDIAPIPE_OBJC_AUDIO_UTIL_H_
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#import <CoreAudio/CoreAudioTypes.h>
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#import <CoreMedia/CoreMedia.h>
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#include <memory>
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#include "absl/status/statusor.h"
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#include "mediapipe/framework/formats/matrix.h"
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NS_ASSUME_NONNULL_BEGIN
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// Converts an audio sample buffer list into a `mediapipe::Matrix`.
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// Returns an error status on failure.
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absl::StatusOr<std::unique_ptr<mediapipe::Matrix>> MediaPipeConvertAudioBufferListToAudioMatrix(
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const AudioBufferList* audioBufferList, const AudioStreamBasicDescription* streamHeader,
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CMItemCount numFrames);
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NS_ASSUME_NONNULL_END
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#endif // MEDIAPIPE_OBJC_AUDIO_UTIL_H_
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