Repo created

TMessagesProj/jni/voip/webrtc/api/video_codecs/av1_profile.cc

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+/*
+ *  Copyright (c) 2022 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 "api/video_codecs/av1_profile.h"
+
+#include <map>
+#include <utility>
+
+#include "media/base/media_constants.h"
+#include "rtc_base/string_to_number.h"
+
+namespace webrtc {
+
+absl::string_view AV1ProfileToString(AV1Profile profile) {
+  switch (profile) {
+    case AV1Profile::kProfile0:
+      return "0";
+    case AV1Profile::kProfile1:
+      return "1";
+    case AV1Profile::kProfile2:
+      return "2";
+  }
+  return "0";
+}
+
+absl::optional<AV1Profile> StringToAV1Profile(absl::string_view str) {
+  const absl::optional<int> i = rtc::StringToNumber<int>(str);
+  if (!i.has_value())
+    return absl::nullopt;
+
+  switch (i.value()) {
+    case 0:
+      return AV1Profile::kProfile0;
+    case 1:
+      return AV1Profile::kProfile1;
+    case 2:
+      return AV1Profile::kProfile2;
+    default:
+      return absl::nullopt;
+  }
+}
+
+absl::optional<AV1Profile> ParseSdpForAV1Profile(
+    const CodecParameterMap& params) {
+  const auto profile_it = params.find(cricket::kAv1FmtpProfile);
+  if (profile_it == params.end())
+    return AV1Profile::kProfile0;
+  const std::string& profile_str = profile_it->second;
+  return StringToAV1Profile(profile_str);
+}
+
+bool AV1IsSameProfile(const CodecParameterMap& params1,
+                      const CodecParameterMap& params2) {
+  const absl::optional<AV1Profile> profile = ParseSdpForAV1Profile(params1);
+  const absl::optional<AV1Profile> other_profile =
+      ParseSdpForAV1Profile(params2);
+  return profile && other_profile && profile == other_profile;
+}
+
+}  // namespace webrtc