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 constexpr int DependencyDescriptor::kMaxSpatialIds; 20 constexpr int DependencyDescriptor::kMaxTemporalIds; 21 constexpr int DependencyDescriptor::kMaxTemplates; 22 constexpr int DependencyDescriptor::kMaxDecodeTargets; 23 24 namespace webrtc_impl { 25 StringToDecodeTargetIndications(absl::string_view symbols)26absl::InlinedVector<DecodeTargetIndication, 10> StringToDecodeTargetIndications( 27 absl::string_view symbols) { 28 absl::InlinedVector<DecodeTargetIndication, 10> dtis; 29 dtis.reserve(symbols.size()); 30 for (char symbol : symbols) { 31 DecodeTargetIndication indication; 32 switch (symbol) { 33 case '-': 34 indication = DecodeTargetIndication::kNotPresent; 35 break; 36 case 'D': 37 indication = DecodeTargetIndication::kDiscardable; 38 break; 39 case 'R': 40 indication = DecodeTargetIndication::kRequired; 41 break; 42 case 'S': 43 indication = DecodeTargetIndication::kSwitch; 44 break; 45 default: 46 RTC_NOTREACHED(); 47 } 48 dtis.push_back(indication); 49 } 50 return dtis; 51 } 52 53 } // namespace webrtc_impl 54 } // namespace webrtc 55