Emircan Uysaler | 98badbc | 2018-06-28 10:59:02 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018 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 "media/base/vp9_profile.h" |
| 12 | |
| 13 | #include "rtc_base/string_to_number.h" |
| 14 | |
| 15 | namespace webrtc { |
| 16 | |
| 17 | // Profile information for VP9 video. |
| 18 | const char kVP9FmtpProfileId[] = "x-google-profile-id"; |
| 19 | |
| 20 | std::string VP9ProfileToString(VP9Profile profile) { |
| 21 | switch (profile) { |
| 22 | case VP9Profile::kProfile0: |
| 23 | return "0"; |
| 24 | case VP9Profile::kProfile2: |
| 25 | return "2"; |
| 26 | } |
| 27 | return "0"; |
| 28 | } |
| 29 | |
| 30 | absl::optional<VP9Profile> StringToVP9Profile(const std::string& str) { |
| 31 | const absl::optional<int> i = rtc::StringToNumber<int>(str); |
| 32 | if (!i.has_value()) |
| 33 | return absl::nullopt; |
| 34 | |
| 35 | switch (i.value()) { |
| 36 | case 0: |
| 37 | return VP9Profile::kProfile0; |
| 38 | case 2: |
| 39 | return VP9Profile::kProfile2; |
| 40 | default: |
| 41 | return absl::nullopt; |
| 42 | } |
| 43 | return absl::nullopt; |
| 44 | } |
| 45 | |
| 46 | absl::optional<VP9Profile> ParseSdpForVP9Profile( |
| 47 | const SdpVideoFormat::Parameters& params) { |
| 48 | const auto profile_it = params.find(kVP9FmtpProfileId); |
| 49 | if (profile_it == params.end()) |
| 50 | return VP9Profile::kProfile0; |
| 51 | const std::string& profile_str = profile_it->second; |
| 52 | return StringToVP9Profile(profile_str); |
| 53 | } |
| 54 | |
| 55 | bool IsSameVP9Profile(const SdpVideoFormat::Parameters& params1, |
| 56 | const SdpVideoFormat::Parameters& params2) { |
Danil Chapovalov | 6f5b0f9 | 2018-07-09 10:58:54 +0200 | [diff] [blame^] | 57 | const absl::optional<VP9Profile> profile = ParseSdpForVP9Profile(params1); |
| 58 | const absl::optional<VP9Profile> other_profile = |
Emircan Uysaler | 98badbc | 2018-06-28 10:59:02 -0700 | [diff] [blame] | 59 | ParseSdpForVP9Profile(params2); |
| 60 | return profile && other_profile && profile == other_profile; |
| 61 | } |
| 62 | |
| 63 | } // namespace webrtc |