Questions tagged with Video Transcoding
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HEVC + alpha channel input and output on MediaLive
Hi, I am trying to create an HLS live streaming pipeline with MediaLive: **INPUT:** either a MP4 file or a fMP4 HLS containing a HEVC video with alpha channel. **OUTPUT:** a fMP4 HLS stream of HEVC video with alpha channel. The channel fails to start with the following errors. - input is a MP4 file: `Input failed over to input [Input Name] id` - input is fMP4 HLS: `Unable to open input file [https://cloudstorage.com/hlsPlaylist1/segment.m4s]: [Failed probe/open: [No parser found for container]]` I need to precise that my channel works fine when the input is HEVC without alpha channel. Is there a plan to add HEVC with alpha functionality to MediaLive? Thanks
AWS MediaConvert major sudden slowdown in transcoding speed
Hi, I have been using AWS MediaConvert for a while to transcode videos. Since the 25th of May, I notice that the transcoding step takes half an hour when using a sample small video. This in contrast to a couple of seconds of how it used to be before the 25th. The same video is used and there are no changes to the configuration of the MediaConvert job. For example, now I see in the mediaconvert dashboard the submit time of 2022-06-02 13:23:54 and a finish time of 2022-06-02 13:49:58 An example of a long running job id: 1654169034448-uehndv An example of a fast running job id: 1653030543613-wixaa6 What can explain this sudden major increase in transcoding time by AWS Mediaconvert?
How to use Low-Latency HLS with MediaPackage?
I want to build a solution for live and on-demand video streaming. My custom service will receive RTMP streams, produce HLS and dump it to S3/stream it directly to MediaPackage. To make the latency lower, I want my custom service to output Low-Latency HLS (community, not the Apple one). I want to achieve it by using segments with ~2s duration and EXT-X-PREFETCH tag. - Will MediaPackage be able to process this? - If so, will the HLS outputted by MediaPackage also be "low-latency"? - Can I use MediaPackage to produce Low-Latency HLS for me (instead of implementing this in my custom service)?
AWS Elemental MediaConvert - Can you force a transcoded file to have a Metadata tag for 1-13-1 color space?
I need to be able to make H264 proxy files that have the metadata tag and color space of 1-13-1. I can see options in MediaConvert to force the color space to 709, but the metadata tag for 1-13-1 isn't there.
Creating a "Live With" Experience similar to Instagram
Hi all – I looking to build a feature similar to "Live With" that Instagram has. To describe the feature at a basic level: I want a livestream of two streams that originate from two separate mobile apps. How this would work is: * Participant A starts livestreaming from their iOS/Android * Participant B is asked to join the livestream. * Participant B starts livestreaming from their iOS/Android * Viewers see a single stream of Participant A and B speaking I'm a noob to the AWS video products but I couldn't figure out (1) whether this is possible, (2) what tools could be composed to replicate this experience
Kinesis video stream Webcam access to Docker
During kinesis video steam using Docker setup when I try to run the Docker (below command) and I am getting the expectation. I want to stream video from PC webcam. How to give Docker access to PC webcam? sudo docker run -it --network="host" --device=/dev/video0 546150905175.dkr.ecr.us-west-2.amazonaws.com/kinesis-video-producer-sdk-cpp-amazon-linux /bin/bash Error:- **docker: Error response from daemon: error gathering device information while adding custom device "/dev/video0": no such file or directory. ERRO0000 error waiting for container: context canceled**