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https://github.com/pion/mediadevices.git
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7bcc9111f4
Changes: * Add argument to tolerate some FPS variations. * Update wrapper function. * Update tests. * Add test about frame rate change tolerance. * Verify the onChange function is not called when the frame rate change is within the the specified tolerance. * Update test about frame rate variation detection * Create dedicated throttle transform function to slow down after a specific amount of time. * Remove unnecessary code.
36 lines
1.3 KiB
Go
36 lines
1.3 KiB
Go
package mediadevices
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import (
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"github.com/pion/mediadevices/pkg/io/audio"
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"github.com/pion/mediadevices/pkg/io/video"
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"github.com/pion/mediadevices/pkg/prop"
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)
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// detectCurrentVideoProp is a small helper to get current video property
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func detectCurrentVideoProp(broadcaster *video.Broadcaster) (prop.Media, error) {
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var currentProp prop.Media
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// Since broadcaster has a ring buffer internally, a new reader will either read the last
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// buffered frame or a new frame from the source. This also implies that no frame will be lost
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// in any case.
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metaReader := broadcaster.NewReader(false)
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metaReader = video.DetectChanges(0, 0, func(p prop.Media) { currentProp = p })(metaReader)
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_, _, err := metaReader.Read()
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return currentProp, err
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}
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// detectCurrentAudioProp is a small helper to get current audio property
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func detectCurrentAudioProp(broadcaster *audio.Broadcaster) (prop.Media, error) {
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var currentProp prop.Media
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// Since broadcaster has a ring buffer internally, a new reader will either read the last
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// buffered frame or a new frame from the source. This also implies that no frame will be lost
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// in any case.
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metaReader := broadcaster.NewReader(false)
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metaReader = audio.DetectChanges(0, func(p prop.Media) { currentProp = p })(metaReader)
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_, _, err := metaReader.Read()
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return currentProp, err
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}
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