Skip to content

Add sinple pause and resume recording function #2540

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
foxstudiohua wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Add sinple pause and resume recording function #2540

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
f2018c4
Add sinple pause and resume recording function
foxstudiohua Dec 4, 2017
9ee11df
keep the primary timescale
foxstudiohua Dec 5, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions framework/Source/iOS/GPUImageMovieWriter.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -64,4 +64,8 @@ extern NSString *const kGPUImageColorSwizzlingFragmentShaderString;
- (void)processAudioBuffer:(CMSampleBufferRef)audioBuffer;
- (void)enableSynchronizationCallbacks;

// Addition
- (void)pauseRecording;
- (void)resumeRecording;

@end
29 changes: 28 additions & 1 deletion framework/Source/iOS/GPUImageMovieWriter.m
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,9 @@ @interface GPUImageMovieWriter ()

BOOL isRecording;
}
//
@property (nonatomic,strong) NSDate *lastPauseTime;
@property (nonatomic,assign) NSTimeInterval accumulativeInterval;

// Movie recording
- (void)initializeMovieWithOutputSettings:(NSMutableDictionary *)outputSettings;
Expand Down Expand Up @@ -80,6 +83,7 @@ - (id)initWithMovieURL:(NSURL *)newMovieURL size:(CGSize)newSize fileType:(NSStr
return nil;
}

_accumulativeInterval = 0.0;
_shouldInvalidateAudioSampleWhenDone = NO;

self.enabled = YES;
Expand Down Expand Up @@ -692,6 +696,24 @@ - (void)renderAtInternalSizeUsingFramebuffer:(GPUImageFramebuffer *)inputFramebu
glFinish();
}

#pragma mark -
#pragma mark Pause Recording And Resume

- (void)pauseRecording {
isRecording = NO;
//
self.lastPauseTime = [NSDate date];
}

- (void)resumeRecording {
if (self.lastPauseTime) {
NSTimeInterval pass = [[NSDate date] timeIntervalSinceDate:self.lastPauseTime];
self.accumulativeInterval += pass;
}
//
isRecording = YES;
}

#pragma mark -
#pragma mark GPUImageInput protocol

Expand All @@ -702,7 +724,12 @@ - (void)newFrameReadyAtTime:(CMTime)frameTime atIndex:(NSInteger)textureIndex;
[firstInputFramebuffer unlock];
return;
}

//fix the frame time
if (self.accumulativeInterval > 0) {
CMTime offset = CMTimeMake(self.accumulativeInterval*frameTime.timescale, frameTime.timescale);
frameTime = CMTimeSubtract(frameTime, offset);
}
//
if (discont) {
discont = NO;
CMTime current;
Expand Down