New Edit Below I have already referenced AVMutableComposition - Only Playing First Track (Swift) but it is not providing the answer to what I am looking for. I have a AVMutableComposition(). ...

How can I extrace Audio from Video file without using FFmpeg? I want to use AVMutableComposition and AVURLAsset for solving it.e.g. conversion from .mov to .m4a file.

EDIT: The strangest thing: it seems that when running this code from a full app everything works, but I was always running the creation of the movie from my unit tests, and only there it didn't wor...

Im trying to merge N audio tracks, to an video file. The video is in MP4 format, and all audios are m4a. All the preparation works well but when the export finishes, always fails. Heres my code : ...

I have an app that allows a user to record a video in a mutable composition. I'd like to set some text that will come up and then change at an interval that I set when the user plays it back after ...

After I export an AVMutableComposition I use PHPhotoLibrary to save the video to the camera roll. In the creationRequestForAssetFromVideoAtFileURL: completion handler, I then open the saved video i...

I am working on Application that combines the multiple videos along with background audio track. It also need to set different audio level for different videos. Following is the code for AssetIte...

I have an array of [AVAsset], and I am trying to combine all of those Assets into a single Asset so that I can play back the video seamlessly (I tried using an AVQueuePlayer, but that does not play...

TLDR - SEE EDIT I am creating a test app in Swift where I want to stitch multiple videos together from my apps documents directory using AVMutableComposition. I have had success in doing this to ...

I am using AVMutableComposition to merge/stitch multiple recorded video tracks and save it like this expected output ..so I am looping through the subviews to transform each tracks according to ea...

The code below exports a video using AVMutableComposition. But in the exported video, if you want an image to display for 3 seconds after the source video finishes, is there a way to do that with A...

This SO answer addresses how to do a screen capture of a UIView. We need something similar, but instead of a single image, the goal is to produce a video of everything appearing within a UIView ove...

I have an AVMutableComposition with a video track and I would like to add a still image into the video track, to be displayed for some given time. The still image is simply a PNG. I can load the im...

I am trying to merge multiple videos using AVMutableComposition. The problem I face is that whenever I try to add any AVMutableVideoComposition for applying any instructions, my playback freezes in...

This question has been asked many times before but nothing helped me. I am merging multiple videos using AVMutableComposition. After merging videos, I get blank frames in between 30 - 40% of the vi...

I have a sequence of AVMutableCompositions that I am playing with AVPlayer. Everything works great when I am playing via speaker, headphones, or bluetooth. However, as soon as I connect to AirPlay,...

I am creating video using AVMutableComposition and exporting it using AVAssetExportSession giving it preset AVAssetExportPresetHighestQuality. Video is created fine when video's dimension is small...

I tried to make video in reverse. While playing asset in AVPlayer i set the rate = -1 to make it work in reverse format. But how to export that video? I looked into docs. read about avassetwrite, s...

i want to implement Slowmotion Video like Defalut functionality of Slo-Mo in Camera and i used following code and it worked fine for video. but in Audio track of that video is not working properly....

I'm trying to use AVMutableComposition to play a sequence of sound files at precise times. When the view loads, I create the composition with the intent of playing 4 sounds evenly spaced over 1 se...

I have a recorded video with sound. When adding that to an AVMutableComposition and then export it, the video will freeze when the sound is playing. What am I missing? I have my two tracks: _comp...

I am working on integrating a video player with the very powerful GPUImage framework (https://github.com/BradLarson/GPUImage), whereby user can queue videos for continuous playback (AVMutableCompos...

I have a simple video editing view that uses AVPlayer. I create a AVMutableComposition using one or several AVURLAsset. All works fine but the videos are always rotated 90 degrees. i.e. if the sour...

I am mixing an audio and video file using AVMutableComposition. Below is my code for that: enter code here AVMutableComposition* mixComposition = [AVMutableComposition composition]; NSString *bu...

I have a weird problem. In my app I am combining multiple audio and video files using the code below. The resulted video seems to work fine once I downloaded it from the device to the computer and ...