Index: webrtc/call/rtp_rtcp_demuxer_helper.h |
diff --git a/webrtc/call/rtp_rtcp_demuxer_helper.h b/webrtc/call/rtp_rtcp_demuxer_helper.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..33de7da23dba70bd9c10a98a48d6d4344dafe093 |
--- /dev/null |
+++ b/webrtc/call/rtp_rtcp_demuxer_helper.h |
@@ -0,0 +1,68 @@ |
+/* |
+ * Copyright (c) 2017 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. |
+ */ |
+ |
+#ifndef WEBRTC_CALL_RTP_RTCP_DEMUXER_HELPER_H_ |
+#define WEBRTC_CALL_RTP_RTCP_DEMUXER_HELPER_H_ |
+ |
+#include <algorithm> |
+#include <map> |
+#include <utility> |
+ |
+#include "webrtc/base/array_view.h" |
+#include "webrtc/base/basictypes.h" |
+#include "webrtc/base/optional.h" |
+ |
+namespace webrtc { |
+ |
+template <typename Container, |
+ typename Key = typename Container::key_type, |
+ typename Value = typename Container::value_type> |
danilchap
2017/06/19 13:31:56
either do not specify default type for Value,
or u
eladalon
2017/06/19 14:35:17
Done.
|
+bool MultimapAssociationExists(const Container& multimap, Key key, Value val) { |
+ auto it_range = multimap.equal_range(key); |
+ using Reference = typename Container::const_reference; |
+ return std::any_of(it_range.first, it_range.second, |
+ [val](Reference elem) { return elem.second == val; }); |
+} |
+ |
+template <typename Container, typename Value = typename Container::value_type> |
danilchap
2017/06/19 13:31:56
ditto
eladalon
2017/06/19 14:35:17
Done.
|
+size_t RemoveFromMultimapByValue(Container* multimap, const Value& value) { |
+ size_t count = 0; |
+ for (auto it = multimap->begin(); it != multimap->end();) { |
+ if (it->second == value) { |
+ it = multimap->erase(it); |
+ ++count; |
+ } else { |
+ ++it; |
+ } |
+ } |
+ return count; |
+} |
+ |
+template <typename Container, typename Key> |
+bool ContainerHasKey(const Container& c, const Key& k) { |
+ return std::find(c.cbegin(), c.cend(), k) != c.cend(); |
+} |
+ |
+template <typename Container, |
+ typename Key = typename Container::key_type, |
+ typename Value = typename Container::value_type> |
danilchap
2017/06/19 13:31:56
ditto
eladalon
2017/06/19 14:35:17
Done.
|
+bool AssociativeContainerHasValue(const Container& c, const Value& v) { |
+ auto predicate = [v](const std::pair<Key, Value>& it) { |
danilchap
2017/06/19 13:31:56
to avoid implicit conversion instead of std::pair<
eladalon
2017/06/19 14:35:17
Done.
|
+ return it.second == v; |
+ }; |
+ return std::any_of(c.cbegin(), c.cend(), predicate); |
+} |
+ |
+rtc::Optional<uint32_t> ParseRtcpPacketSenderSsrc( |
+ rtc::ArrayView<const uint8_t> packet); |
+ |
+} // namespace webrtc |
+ |
+#endif // WEBRTC_CALL_RTP_RTCP_DEMUXER_HELPER_H_ |