dependency_descriptor.cc (1429B)
1 /* 2 * Copyright (c) 2020 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "api/transport/rtp/dependency_descriptor.h" 12 13 #include "absl/container/inlined_vector.h" 14 #include "absl/strings/string_view.h" 15 #include "rtc_base/checks.h" 16 17 namespace webrtc { 18 19 namespace webrtc_impl { 20 21 absl::InlinedVector<DecodeTargetIndication, 10> StringToDecodeTargetIndications( 22 absl::string_view symbols) { 23 absl::InlinedVector<DecodeTargetIndication, 10> dtis; 24 dtis.reserve(symbols.size()); 25 for (char symbol : symbols) { 26 DecodeTargetIndication indication; 27 switch (symbol) { 28 case '-': 29 indication = DecodeTargetIndication::kNotPresent; 30 break; 31 case 'D': 32 indication = DecodeTargetIndication::kDiscardable; 33 break; 34 case 'R': 35 indication = DecodeTargetIndication::kRequired; 36 break; 37 case 'S': 38 indication = DecodeTargetIndication::kSwitch; 39 break; 40 default: 41 RTC_DCHECK_NOTREACHED(); 42 } 43 dtis.push_back(indication); 44 } 45 return dtis; 46 } 47 48 } // namespace webrtc_impl 49 } // namespace webrtc