Cloud Transcoding with Amazon Web Services
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Cloud transcoding allows for the conversion of video files between different encoding formats. This is useful when the target device or workflow does not support the original format or file size. Cloud computing is well-suited for the CPU-intensive task of video encoding. There are two main types of cloud transcoding - video on demand (VOD) transcoding of pre-recorded content, and live transcoding of streaming video. VOD transcoding reduces on-site encoding costs while live transcoding addresses bandwidth issues and allows for adaptive streaming. Amazon Elastic Transcoder and EC2 Spot Instances are two options for VOD transcoding in AWS.
![Cloud Transcoding: perchè ?
Transcoding is the direct digital-to-digital data conversion of one
encoding to another […] This is usually done in cases where a target
device (or workflow) does not support the format or has limited storage
capacity that mandates a reduced file size [Fonte: Wikipedia]
Cloud computing is uniquely suited for the
CPU-intensive and "bursty" nature of video encoding
Cloud Transcoding](https://image.slidesharecdn.com/eurocloud2013-milano-130722140542-phpapp01/85/Cloud-Transcoding-with-Amazon-Web-Services-2-320.jpg)
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Cloud Transcoding with Amazon Web Services
- 1. AWS Cloud Transcoding Live e On-Demand video transcoding Ing. Paolo Latella, Cloud Solutions Architect ([email protected])
- 2. Cloud Transcoding: perchè ? Transcoding is the direct digital-to-digital data conversion of one encoding to another […] This is usually done in cases where a target device (or workflow) does not support the format or has limited storage capacity that mandates a reduced file size [Fonte: Wikipedia] Cloud computing is uniquely suited for the CPU-intensive and "bursty" nature of video encoding Cloud Transcoding
- 3. Cloud Transcoding: Vod e Live • Vod Transcoding: compressione di contenuti audio e video pre-registrati • Riduce i costi di encoding on-site • Live Transcoding: compressione di stream live • Risolve il problema della banda in out • Streaming live adattivo (HDS, HLS, MPEG-DASH, Smooth streaming) • File vod immediatamente disponibili
- 4. Vod Transcoding: Amazon Elastic Transcoder
- 5. Vod Transcoding: Amazon EC2 Spot Instances + FFmpeg
- 6. Vod Transcoding: Amazon Elastic Transcoder VS EC2 Spot Instances Amazon Elastic Transcoder Spot Instance e FFmpeg Costo (SD Video) = 0.017 $/Minuto Costo (HD Video) = 0.034 $/Minuto Costo (c1.medium) = 0.044 $/Ora (*) Costo (c1.xlarge) = 0.176 $/Ora (*) Video Codec = H.264, VP8 Audio Codec = AAC, Vorbis Video Codec = ffmpeg supportati Audio Codec = ffmpeg supportati Job di transcoding facili da gestire (web console o API) Job di transcoding difficili da gestire (Amazon SNS + logica applicativa) Background e Foreground transcoding Background transcoding
- 7. Live Transcoding: streaming server su Amazon EC2 Auto scaling Group Availability Zone Availability Zone Auto scaling Group Availability Zone Availability Zone Origin (Transcoder) Edge (Streaming) H.264/AAC @700 Kbps MPEG2/MP3 @700 Kbps H.264/AAC @700 Kbps H.264/AAC @500 Kbps H.264/AAC @350 Kbps H.264/AAC @100 Kbps H.264/AAC @700Kbps H.264/AAC @500Kbps H.264/AAC @350Kbps H.264/AAC @100Kbps HLS HDS RTP/RTSP RTMP MPEG-DASH MSS RTMPRTMP
- 8. Live Transcoding: streaming server su Amazon EC2 e CloudFront Auto scaling Group Availability Zone Availability Zone Origin (Transcoder) H.264/AAC @700 Kbps MPEG2/MP3 @700 Kbps HLS HDS RTP/RTSP RTMP MPEG-DASH MSS H.264/AAC @700 Kbps H.264/AAC @500 Kbps H.264/AAC @350 Kbps H.264/AAC @100 Kbps H.264/AAC @700Kbps H.264/AAC @500Kbps H.264/AAC @350Kbps H.264/AAC @100Kbps RTMP HTTP