44 lines
1.7 KiB
Objective-C
44 lines
1.7 KiB
Objective-C
// Copyright 2019 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_CGIMAGEREFUTILS_H_
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#define MEDIAPIPE_OBJC_CGIMAGEREFUTILS_H_
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#import <CoreVideo/CoreVideo.h>
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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extern NSString *const kCGImageRefUtilsErrorDomain;
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// TODO: Get rid of this library or make it a wrapper around util.h
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// versions so that it can be used in pure Objective-C code.
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/// Creates a CGImage with a copy of the contents of the CVPixelBuffer. Returns nil on error, if
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/// the |error| argument is not nil, *error is set to an NSError describing the failure. Caller
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/// is responsible for releasing the CGImage by calling CGImageRelease().
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CGImageRef CreateCGImageFromCVPixelBuffer(CVPixelBufferRef imageBuffer, NSError **error);
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/// Creates a CVPixelBuffer with a copy of the contents of the CGImage. Returns nil on error, if
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/// the |error| argument is not nil, *error is set to an NSError describing the failure. Caller
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/// is responsible for releasing the CVPixelBuffer by calling CVPixelBufferRelease.
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CVPixelBufferRef CreateCVPixelBufferFromCGImage(CGImageRef image, NSError **error);
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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#endif // MEDIAPIPE_OBJC_CGIMAGEREFUTILS_H_
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