diff options
Diffstat (limited to 'third_party/libwebrtc/api/video_codecs/av1_profile.cc')
-rw-r--r-- | third_party/libwebrtc/api/video_codecs/av1_profile.cc | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/video_codecs/av1_profile.cc b/third_party/libwebrtc/api/video_codecs/av1_profile.cc new file mode 100644 index 0000000000..eefe166d80 --- /dev/null +++ b/third_party/libwebrtc/api/video_codecs/av1_profile.cc @@ -0,0 +1,69 @@ +/* + * 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 "rtc_base/string_to_number.h" + +namespace webrtc { + +// Parameter name in the format parameter map for AV1 video. +const char kAV1FmtpProfile[] = "profile"; + +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 SdpVideoFormat::Parameters& params) { + const auto profile_it = params.find(kAV1FmtpProfile); + if (profile_it == params.end()) + return AV1Profile::kProfile0; + const std::string& profile_str = profile_it->second; + return StringToAV1Profile(profile_str); +} + +bool AV1IsSameProfile(const SdpVideoFormat::Parameters& params1, + const SdpVideoFormat::Parameters& 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 |