From fdabfbc3349a254c47913faeca4aad5514ebcae6 Mon Sep 17 00:00:00 2001
From: Marina Ciocea <marinaciocea@webrtc.org>
Date: Fri, 10 Apr 2020 18:40:11 +0200
Subject: [PATCH] [InsertableStreams] Pass ssrc on TransformedFrameCallback
 registration.

Add new methods in the FrameTransformerInterfaces, passing the ssrc on
registering the transformed frame callback, to associate separate frame
transformer sinks for each ssrc. Same for unregister.

Bug: chromium:1065838
Change-Id: I8a406815e9d0cce5199f9df06c286d8b10d75b4d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/173183
Commit-Queue: Marina Ciocea <marinaciocea@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Magnus Flodman <mflodman@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31047}
---
 api/frame_transformer_interface.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/api/frame_transformer_interface.h b/api/frame_transformer_interface.h
index 8f772fe09c..062b31d3e0 100644
--- a/api/frame_transformer_interface.h
+++ b/api/frame_transformer_interface.h
@@ -101,8 +101,12 @@ class FrameTransformerInterface : public rtc::RefCountInterface {
       std::unique_ptr<TransformableFrameInterface> transformable_frame) {}
 
   virtual void RegisterTransformedFrameCallback(
-      rtc::scoped_refptr<TransformedFrameCallback>) = 0;
-  virtual void UnregisterTransformedFrameCallback() = 0;
+      rtc::scoped_refptr<TransformedFrameCallback>) {}
+  virtual void RegisterTransformedFrameSinkCallback(
+      rtc::scoped_refptr<TransformedFrameCallback>,
+      uint32_t ssrc) {}
+  virtual void UnregisterTransformedFrameCallback() {}
+  virtual void UnregisterTransformedFrameSinkCallback(uint32_t ssrc) {}
 
  protected:
   ~FrameTransformerInterface() override = default;