Remove OnLocalSsrcChanged and rename EncoderStateFeedback.

webrtc/video/encoder_rtcp_feedback.cc

Index: webrtc/video/encoder_rtcp_feedback.cc
diff --git a/webrtc/video/encoder_rtcp_feedback.cc b/webrtc/video/encoder_rtcp_feedback.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ec0ac1e928eea838c2d17b26cf55a531fc1fb550
--- /dev/null
+++ b/webrtc/video/encoder_rtcp_feedback.cc
@@ -0,0 +1,77 @@
+/*
+ *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/video/encoder_rtcp_feedback.h"
+
+#include "webrtc/base/checks.h"
+#include "webrtc/video/vie_encoder.h"
+
+static const int kMinKeyFrameRequestIntervalMs = 300;
+
+namespace webrtc {
+
+EncoderRtcpFeedback::EncoderRtcpFeedback(Clock* clock,
+                                         const std::vector<uint32_t>& ssrcs,
+                                         ViEEncoder* encoder)
+    : clock_(clock),
+      ssrcs_(ssrcs),
+      vie_encoder_(encoder),
+      time_last_intra_request_ms_(ssrcs.size(), -1) {
+  RTC_DCHECK(!ssrcs.empty());
+}
+
+bool EncoderRtcpFeedback::HasSsrc(uint32_t ssrc) {
+  for (uint32_t registered_ssrc : ssrcs_) {
+    if (registered_ssrc == ssrc) {
+      return true;
+    }
+  }
+  return false;
+}
+
+size_t EncoderRtcpFeedback::GetStreamIndex(uint32_t ssrc) {
+  for (size_t i = 0; i < ssrcs_.size(); ++i) {
+    if (ssrcs_[i] == ssrc)
+      return i;
+  }
+  RTC_NOTREACHED() << "Unknown ssrc " << ssrc;
+  return 0;
+}
+
+void EncoderRtcpFeedback::OnReceivedIntraFrameRequest(uint32_t ssrc) {
+  RTC_DCHECK(HasSsrc(ssrc));
+  size_t index = GetStreamIndex(ssrc);
+  {
+    // TODO(mflodman): Move to ViEEncoder after some more changes making it
+    // easier to test there.
+    int64_t now_ms = clock_->TimeInMilliseconds();
+    rtc::CritScope lock(&crit_);
+    if (time_last_intra_request_ms_[index] + kMinKeyFrameRequestIntervalMs >
+        now_ms) {
+      return;
+    }
+    time_last_intra_request_ms_[index] = now_ms;
+  }
+
+  vie_encoder_->OnReceivedIntraFrameRequest(index);
+}
+
+void EncoderRtcpFeedback::OnReceivedSLI(uint32_t ssrc, uint8_t picture_id) {
+  RTC_DCHECK(HasSsrc(ssrc));
+
+  vie_encoder_->OnReceivedSLI(picture_id);
+}
+
+void EncoderRtcpFeedback::OnReceivedRPSI(uint32_t ssrc, uint64_t picture_id) {
+  RTC_DCHECK(HasSsrc(ssrc));
+
+  vie_encoder_->OnReceivedRPSI(picture_id);
+}
+}  // namespace webrtc