h.264

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westis's picture

Transcoding and audio normalization

I'm trying to setup a workflow with automatic transcoding of ingested files to SD and HD with ffmpeg + audio normalization according to EBU R128 (loudness normalization).

I'm starting this discussion for others to chip in, if you have suggetions for how to best do this or if you are looking to do the same.

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stefanwray's picture

Content Agent Less Robust Than We Thought

channelAustin has been using a proprietary software tool called Content Agent to encode .mov files to the MPEG2 format required for playback on our Synergy Broadcast system. Content Agent in our work flow has been previously discussed. See http://groups.drupal.org/node/19135

We also decided some time ago to use Content Agent to encode H.264 files for VOD on the web with the OM Show module. And so we added an H.264 encode process to the workflow. We've now decided to stop doing that.

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westis's picture

Encoding for web

Howdy,

I'm wondering what settings you use for ffmpeg when encoding flash for the web?

Now with JW FLV Player 4.6 that supports bitrate switching we're thinking of starting to use this, to allow for the best possible quality for the bandwidth the user has. But even at higher bitrates there is often "block artefacts", particularly when there are lots of details or movements. I've heard there are postprocessing filters that could improve this, but not sure how to use them.

Our current settings are:

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jbrown's picture

OpenPackage Video now supports H.264 video

OpenPackage Video 5.x-3.15 has been released.

The major new feature of this release is MP4 encoding with H.264 video and AAC audio. These codecs have much higher performance than than the old FLV and MP3. This means you can have the same quality for less bandwidth or higher quality for the same bandwidth.

Demo

MP4 encoding is supported both with FFmpeg transcoding on your own server and with the paid transcoding service we offer at openpackage.biz .

This functionality was sponsored by SharkScopers and vertikal.dk .

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