Remove unnecessary memory allocation from RealtimeIncomingAudioSourceCocoa::OnData

[youenn fablet]

Remove unnecessary memory allocation from RealtimeIncomingAudioSourceCocoa::OnData

[youenn fablet]

Created attachment 395554 [details]
Patch

[Eric Carlson]

Comment on attachment 395554 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=395554&action=review

> Source/WebCore/ChangeLog:9
> +        Create a WebAudioBufferList once (without any buffer allocation) and set the audio buffer pointer

s/Create/create/

> Source/WebCore/platform/mediastream/mac/RealtimeIncomingAudioSourceCocoa.cpp:81
> +    if (!m_audioBufferList || m_sampleRate != sampleRate || m_numberOfChannels != numberOfChannels) {
> +        m_streamDescription = streamDescription(sampleRate, numberOfChannels);
> +        m_audioBufferList = makeUnique<WebAudioBufferList>(m_streamDescription);
> +    }

Don't you need to set m_sampleRate and m_numberOfChannels?

[youenn fablet]

Comment on attachment 395554 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=395554&action=review

> Source/WebCore/platform/mediastream/mac/RealtimeIncomingAudioSourceCocoa.cpp:71
> +    ALWAYS_LOG_IF(loggerPtr() && !(++m_chunksReceived % 200), LOGIDENTIFIER, "chunk ", m_chunksReceived);

Will also dispatch that logging to the main thread since that might disrupt the audio pipeline otherwise.

[youenn fablet]

Created attachment 395663 [details]
Patch for landing

[EWS]

Committed r259632: <https://trac.webkit.org/changeset/259632>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 395663 [details].

[Radar WebKit Bug Importer]

<rdar://problem/61387440>