Add audio and image format fields to metadata#1240
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bmatherly
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May 9, 2026
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| # FFmpeg filter supported MLT formats | |||
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Even though FFMpeg has a rich framework for a filter to describe the formats it supports, the public API does not provide a way for the application to query those formats. They are only used internally for negotiating the connections in a filtergraph.
I used AI to help me write a script to inspect the FFMpeg source code and extract these format lists. I suppose we will maintain it manually over time. Or maybe we should keep the script around so we can re-run it from time to time.
This is the one thing that gives me pause about this whole PR. Maybe it is not worth the long-term maintenance.
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Please add the script to src/modules/avformat
bmatherly
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May 9, 2026
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Add image_formats and audio_formats to the filter metadata so that applications can look up what formats are supported by the service. This can be used in Shotcut to map image formats to keywords rgba, yuv, and 10bit.