84 lines
2.9 KiB
Objective-C
84 lines
2.9 KiB
Objective-C
//
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// SCVideoCaptureSessionInfo.h
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// Snapchat
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//
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// Created by Michel Loenngren on 3/27/17.
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// Copyright © 2017 Snapchat, Inc. All rights reserved.
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//
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#import <SCFoundation/NSString+SCFormat.h>
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#import <CoreMedia/CoreMedia.h>
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#import <Foundation/Foundation.h>
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typedef NS_ENUM(NSInteger, SCManagedVideoCapturerInfoType) {
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SCManagedVideoCapturerInfoAudioQueueError,
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SCManagedVideoCapturerInfoAssetWriterError,
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SCManagedVideoCapturerInfoAudioSessionError,
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SCManagedVideoCapturerInfoAudioQueueRetrySuccess,
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SCManagedVideoCapturerInfoAudioQueueRetryDataSourceSuccess_audioQueue,
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SCManagedVideoCapturerInfoAudioQueueRetryDataSourceSuccess_hardware
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};
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typedef u_int32_t sc_managed_capturer_recording_session_t;
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/*
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Container object holding information about the
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current recording session.
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*/
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typedef struct {
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CMTime startTime;
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CMTime endTime;
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CMTime duration;
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sc_managed_capturer_recording_session_t sessionId;
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} SCVideoCaptureSessionInfo;
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static inline SCVideoCaptureSessionInfo SCVideoCaptureSessionInfoMake(CMTime startTime, CMTime endTime,
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sc_managed_capturer_recording_session_t sessionId)
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{
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SCVideoCaptureSessionInfo session;
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session.startTime = startTime;
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session.endTime = endTime;
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if (CMTIME_IS_VALID(startTime) && CMTIME_IS_VALID(endTime)) {
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session.duration = CMTimeSubtract(endTime, startTime);
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} else {
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session.duration = kCMTimeInvalid;
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}
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session.sessionId = sessionId;
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return session;
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}
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static inline NSTimeInterval SCVideoCaptureSessionInfoGetCurrentDuration(SCVideoCaptureSessionInfo sessionInfo)
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{
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if (CMTIME_IS_VALID(sessionInfo.startTime)) {
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if (CMTIME_IS_VALID(sessionInfo.endTime)) {
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return CMTimeGetSeconds(sessionInfo.duration);
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}
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return CACurrentMediaTime() - CMTimeGetSeconds(sessionInfo.startTime);
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}
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return 0;
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}
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static inline NSString *SCVideoCaptureSessionInfoGetDebugString(CMTime time, NSString *label)
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{
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if (CMTIME_IS_VALID(time)) {
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return [NSString sc_stringWithFormat:@"%@: %f", label, CMTimeGetSeconds(time)];
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} else {
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return [NSString sc_stringWithFormat:@"%@: Invalid", label];
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}
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}
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static inline NSString *SCVideoCaptureSessionInfoGetDebugDescription(SCVideoCaptureSessionInfo sessionInfo)
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{
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NSMutableString *description = [NSMutableString new];
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[description appendString:SCVideoCaptureSessionInfoGetDebugString(sessionInfo.startTime, @"StartTime")];
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[description appendString:@", "];
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[description appendString:SCVideoCaptureSessionInfoGetDebugString(sessionInfo.endTime, @"EndTime")];
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[description appendString:@", "];
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[description appendString:SCVideoCaptureSessionInfoGetDebugString(sessionInfo.duration, @"Duration")];
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[description appendString:@", "];
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[description appendString:[NSString sc_stringWithFormat:@"Id: %u", sessionInfo.sessionId]];
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return [description copy];
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}
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