avassetwriter
Is it possible to record video with AVAssetWriter and still playback background sounds [duplicate]
This questi开发者_如何学Goon already has answers here: Closed 10 years ago. Possible Duplicate: AVCaptureSession cancels background audio[详细]
2023-02-21 01:17 分类：问答How to write a movie with video AND audio using AVAssetWriter?
I want to export a movie with A开发者_如何学CVAssetWriter and can\'t figure out how to include video and audio tracks in sync. Exporting only video works fine, but when I add audio the resulting movie[详细]
2023-02-20 12:08 分类：问答Is it possible to use a quality between AVAssetExportPresetMediumQuality and AVAssetExportPresetHighestQuality with AVAssetExportSession?
I am using AVAssetExportSession to export a video out of my iOS app, like this: AVAssetExportSession *exportSession=[AVAssetExportSession exportSessio开发者_开发技巧nWithAsset:composition presetName:[详细]
2023-02-17 21:02 分类：问答Using iPhone as input to mediastreamsegmenter - HTTP Live Streaming
I started working on HTTP live Streaming protocol and felt very interesting. Went through the complete document provided by Apple.[详细]
2023-02-15 14:16 分类：问答How to use AVAssetReader and AVAssetWriter for multiple tracks (audio and video) simultaneously?
I know how to use AVAssetReader and AVAssetWriter, and have successfully used them to grab a video track from one movie and transcode it into another. However, I\'d like to do this with audio as well.[详细]
2023-02-15 12:07 分类：问答AVAssetWriter startWriting Problem
AVAssetWriter startWriting is returning BOOL False value when i\'m wr开发者_高级运维iting movie on 2G device, but for all other devices its returning TRUE value and working fine.Anyone faced this prob[详细]
2023-02-11 16:02 分类：问答iOS: How to fix half size frames saving movie with AVAssetWriter
I am writing a movie file with AVAssetWriter and AVAssetWriterInputPixelBufferAdaptor. The CGImage that is used to build the CVPixelBuffer looks normal (as displayed on the screen), the output movie[详细]
2023-02-08 21:04 分类：问答iOS: How to make a movie with a series of images using AVAssetWriter
I have seen this question asked many times in different forms both here and in other forums.Some of the questions get answered, some do not.There are a few where the answerer or author claims to have[详细]
2023-02-07 13:38 分类：问答CMSampleBuffer from OpenGL for video output with AVAssestWritter
I need to get a CMSampleBuffer for the OpenGL frame. I\'m using this: int s = 1; UIScreen * screen = [UIScreen mainScreen];[详细]
2023-02-06 23:37 分类：问答iphone streaming video/audio and save it
I would like to have nice player in the iPhone. The source is audio/video files from the server (for example, MP3/M4V). Let\'s imagine, the file is huge hence I need to stream it inside iPhone. I been[详细]
2023-01-30 01:59 分类：问答
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