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Transform received audio frames in ChannelReceive.

Browse Source 
This change is part of the implementation of the Insertable Streams Web
API: https://github.com/alvestrand/webrtc-media-streams/blob/master/explainer.md

Design doc for WebRTC library changes:
http://doc/1eiLkjNUkRy2FssCPLUp6eH08BZuXXoHfbbBP1ZN7EVk

Bug: webrtc:11380
No-Try: True
Change-Id: I1a7ef9fd8130936176b5a4f78ad835cba52666d0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/171873
Commit-Queue: Marina Ciocea <marinaciocea@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Reviewed-by: Tommi <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30961}
This commit is contained in:
Marina Ciocea
2020-04-01 10:19:44 +02:00
committed by Commit Bot
parent 57cabed0b0
commit 486232025b
5 changed files with 223 additions and 5 deletions
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11
api/frame_transformer_interface.h
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@ -50,6 +50,17 @@ class TransformableVideoFrameInterface : public TransformableFrameInterface {
virtual std::vector<uint8_t> GetAdditionalData() const = 0;
};
// Extends the TransformableFrameInterface to expose audio-specific information.
class TransformableAudioFrameInterface : public TransformableFrameInterface {
public:
virtual ~TransformableAudioFrameInterface() = default;
// Exposes the frame header, enabling the interface clients to use the
// information in the header as needed, for example to compile the list of
// csrcs.
virtual const RTPHeader& GetHeader() const = 0;
};
// Objects implement this interface to be notified with the transformed frame.
class TransformedFrameCallback : public rtc::RefCountInterface {
public: