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force key frame implementation for vaapi #437

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merged 5 commits into from
Sep 20, 2023

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EmrysMyrddin
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Description

Force key frame implementation for the VAAPI in both VP8 and VP9 mode.

@@ -545,6 +547,10 @@ func (e *encoderVP8) Controller() codec.EncoderController {
return e
}

func (e *encoderVP8) ForceKeyFrame() {
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I don't understand, this function method already exists and returns the encoder itself.

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I also don't remember what I wanted to point and old CI log is gone.
The interface seems be correct.

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codecov bot commented Feb 1, 2023

Codecov Report

Patch has no changes to coverable lines.

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@@ -545,6 +547,10 @@ func (e *encoderVP8) Controller() codec.EncoderController {
return e
}

func (e *encoderVP8) ForceKeyFrame() {
e.forceKeyFrame = true
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It may cause data race if ForceKeyFrame() is called from other goroutine during Read()?

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I've changed the type to use an atomic.Bool instead. This way, there is no data race possible.

@@ -315,7 +317,7 @@ func (e *encoderVP8) Read() ([]byte, func(), error) {

e.frParam.data.framerate = C.uint(e.rate.Calc())

if kf {
if kf || e.forceKeyFrame {
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forceKeyFrame isn't reset, so every frames after ForceKeyFrame() will be keyframe.

@edaniels
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edaniels commented Mar 3, 2023

Hi @EmrysMyrddin. It looks like this one is close. Do you still want to get this in?

@EmrysMyrddin
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@edaniels I've merged master and applied suggestions if you want :-)

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LGTM. Thanks!

@edaniels edaniels merged commit 2882fd4 into master Sep 20, 2023
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@edaniels edaniels deleted the feature/force_key_frame_vaapi branch September 20, 2023 19:46
@@ -100,6 +101,8 @@ type encoderVP8 struct {

rate *framerateDetector

forceKeyFrame atomic.Bool
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Need to bump minimal supported go version to 1.19

go 1.13

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3 participants