[GStreamer] WebAudio to MediaStream support

• Component: Platform
• Status: RESOLVED FIXED

[Philippe Normand]

webrtc/peer-connection-createMediaStreamDestination.html from webkit.org/b/186933 is still failing.

[Philippe Normand]

Created attachment 412638 [details]
Patch

[Xabier Rodríguez Calvar]

Comment on attachment 412638 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=412638&action=review

> Source/WebCore/Modules/webaudio/MediaStreamAudioSourceGStreamer.cpp:40
> +    gsize size = mappedBuffer.size() / bus.numberOfChannels();

size_t

> Source/WebCore/Modules/webaudio/MediaStreamAudioSourceGStreamer.cpp:61
> +    gsize size = GST_AUDIO_INFO_BPF(&info) * bus.numberOfChannels() * numberOfFrames;

size_t

> Source/WebCore/platform/audio/gstreamer/GStreamerAudioData.h:35
> +    GStreamerAudioData(GRefPtr<GstSample>&& sample, GstAudioInfo info)

GstAudioInfo&& and move into this from the caller and into m_audioInfo

> Source/WebCore/platform/audio/gstreamer/GStreamerAudioData.h:49
> +    GstSample* getSample() { return m_sample.get(); }
> +    GstAudioInfo getAudioInfo() { return m_audioInfo; }

const GstAudioInfo& audioInfo() const

and I would also do const GRefPrt<GstSample>& sample() const;

> Source/WebCore/platform/audio/gstreamer/GStreamerAudioStreamDescription.h:33
> +    GStreamerAudioStreamDescription(GstAudioInfo info)

GstAudioInfo&& and move here and at the caller. Let's save some copy.

> Source/WebCore/platform/audio/gstreamer/GStreamerAudioStreamDescription.h:40
> +    GStreamerAudioStreamDescription(GstAudioInfo *info)
> +        : m_info(*info)

If you do the change I recommend above, you can make this const GstAudioInfo& and m_info(info), forcing a copy. I think it is cleaner.

> Source/WebCore/platform/audio/gstreamer/GStreamerAudioStreamDescription.h:97
> +    GstCaps* caps() { return m_caps.get(); }
> +    GstAudioInfo* getInfo() { return &m_info; }

const GstAudioInfo& info() const

and I would also do const GRefPtr<GstCaps>& caps() const;

[Philippe Normand]

These changes you want will likely require updates in code unrelated with this patch, so I'd rather do this in a follow-up bug.

[Philippe Normand]

Committed r269827: <https://trac.webkit.org/changeset/269827>

[Radar WebKit Bug Importer]

<rdar://problem/71414788>