42 lines
1.6 KiB
Objective-C
42 lines
1.6 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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#import "MPPInputSource.h"
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/// A source that outputs frames from a video, played in real time.
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/// Not meant for batch processing of video.
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@interface MPPPlayerInputSource : MPPInputSource
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/// Initializes the video source with optional audio processing.
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///
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/// @param video The video asset to play.
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/// @param audioProcessingEnabled If set, indicates that the (first) audio track
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/// should be processed if it exists, and the corresponding methods for
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/// audio will be invoked on the @c delegate.
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- (instancetype)initWithAVAsset:(AVAsset*)video audioProcessingEnabled:(BOOL)audioProcessingEnabled;
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/// Initializes the video source to process @c video with audio processing disabled.
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- (instancetype)initWithAVAsset:(AVAsset*)video;
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/// Skip into video @c time from beginning (time 0), within error of +/- tolerance to closest time.
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- (void)seekToTime:(CMTime)time tolerance:(CMTime)tolerance;
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/// Set time into video at which to end playback.
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- (void)setPlaybackEndTime:(CMTime)time;
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/// Returns the current video's timestamp.
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- (CMTime)currentPlayerTime;
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@end
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