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Insert frame transformer between Encoded and Packetizer.

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Add a new API in RTPSenderInterface, to be called from the browser side
to insert a frame transformer between the Encoded and the Packetizer.

The frame transformer is passed from RTPSenderInterface through the
library to be eventually set in RTPSenderVideo, where the frame
transformation will occur in the follow-up CL
https://webrtc-review.googlesource.com/c/src/+/169128.

Insertable Streams Web API explainer:
https://github.com/alvestrand/webrtc-media-streams/blob/master/explainer.md

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

Bug: webrtc:11380
Change-Id: I46cd0d8a798c2736c837e90cbf90d8901c7d27fb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/169127
Commit-Queue: Marina Ciocea <marinaciocea@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30642}
This commit is contained in:
Marina Ciocea
2020-02-27 16:16:55 +01:00
committed by Commit Bot
parent c62e4c5dc7
commit e77912ba8c
24 changed files with 127 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
api/rtp_sender_interface.h
View File

@ -20,6 +20,7 @@
#include "api/crypto/frame_encryptor_interface.h"
#include "api/dtls_transport_interface.h"
#include "api/dtmf_sender_interface.h"
#include "api/frame_transformer_interface.h"
#include "api/media_stream_interface.h"
#include "api/media_types.h"
#include "api/proxy.h"
@ -93,6 +94,9 @@ class RTC_EXPORT RtpSenderInterface : public rtc::RefCountInterface {
// user. This can be used to update the state of the object.
virtual rtc::scoped_refptr<FrameEncryptorInterface> GetFrameEncryptor() const;
virtual void SetEncoderToPacketizerFrameTransformer(
rtc::scoped_refptr<FrameTransformerInterface> frame_transformer);
protected:
~RtpSenderInterface() override = default;
};
@ -119,6 +123,9 @@ PROXY_METHOD1(void,
PROXY_CONSTMETHOD0(rtc::scoped_refptr<FrameEncryptorInterface>,
GetFrameEncryptor)
PROXY_METHOD1(void, SetStreams, const std::vector<std::string>&)
PROXY_METHOD1(void,
SetEncoderToPacketizerFrameTransformer,
rtc::scoped_refptr<FrameTransformerInterface>)
END_PROXY_MAP()
} // namespace webrtc