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-rw-r--r--third_party/libwebrtc/api/video_codecs/h265_profile_tier_level.cc496
1 files changed, 248 insertions, 248 deletions
diff --git a/third_party/libwebrtc/api/video_codecs/h265_profile_tier_level.cc b/third_party/libwebrtc/api/video_codecs/h265_profile_tier_level.cc
index f5b376e287..f4dcebb25a 100644
--- a/third_party/libwebrtc/api/video_codecs/h265_profile_tier_level.cc
+++ b/third_party/libwebrtc/api/video_codecs/h265_profile_tier_level.cc
@@ -1,248 +1,248 @@
-/*
- * Copyright (c) 2023 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/h265_profile_tier_level.h"
-
-#include <string>
-
-#include "rtc_base/string_to_number.h"
-
-namespace webrtc {
-
-namespace {
-
-const char kH265FmtpProfile[] = "profile-id";
-const char kH265FmtpTier[] = "tier-flag";
-const char kH265FmtpLevel[] = "level-id";
-
-} // anonymous namespace
-
-// Annex A of https://www.itu.int/rec/T-REC-H.265 (08/21), section A.3.
-absl::optional<H265Profile> StringToH265Profile(const std::string& profile) {
- absl::optional<int> i = rtc::StringToNumber<int>(profile);
- if (!i.has_value()) {
- return absl::nullopt;
- }
-
- switch (i.value()) {
- case 1:
- return H265Profile::kProfileMain;
- case 2:
- return H265Profile::kProfileMain10;
- case 3:
- return H265Profile::kProfileMainStill;
- case 4:
- return H265Profile::kProfileRangeExtensions;
- case 5:
- return H265Profile::kProfileHighThroughput;
- case 6:
- return H265Profile::kProfileMultiviewMain;
- case 7:
- return H265Profile::kProfileScalableMain;
- case 8:
- return H265Profile::kProfile3dMain;
- case 9:
- return H265Profile::kProfileScreenContentCoding;
- case 10:
- return H265Profile::kProfileScalableRangeExtensions;
- case 11:
- return H265Profile::kProfileHighThroughputScreenContentCoding;
- default:
- return absl::nullopt;
- }
-}
-
-// Annex A of https://www.itu.int/rec/T-REC-H.265 (08/21), section A.4,
-// tiers and levels.
-absl::optional<H265Tier> StringToH265Tier(const std::string& tier) {
- absl::optional<int> i = rtc::StringToNumber<int>(tier);
- if (!i.has_value()) {
- return absl::nullopt;
- }
-
- switch (i.value()) {
- case 0:
- return H265Tier::kTier0;
- case 1:
- return H265Tier::kTier1;
- default:
- return absl::nullopt;
- }
-}
-
-absl::optional<H265Level> StringToH265Level(const std::string& level) {
- const absl::optional<int> i = rtc::StringToNumber<int>(level);
- if (!i.has_value())
- return absl::nullopt;
-
- switch (i.value()) {
- case 30:
- return H265Level::kLevel1;
- case 60:
- return H265Level::kLevel2;
- case 63:
- return H265Level::kLevel2_1;
- case 90:
- return H265Level::kLevel3;
- case 93:
- return H265Level::kLevel3_1;
- case 120:
- return H265Level::kLevel4;
- case 123:
- return H265Level::kLevel4_1;
- case 150:
- return H265Level::kLevel5;
- case 153:
- return H265Level::kLevel5_1;
- case 156:
- return H265Level::kLevel5_2;
- case 180:
- return H265Level::kLevel6;
- case 183:
- return H265Level::kLevel6_1;
- case 186:
- return H265Level::kLevel6_2;
- default:
- return absl::nullopt;
- }
-}
-
-std::string H265ProfileToString(H265Profile profile) {
- switch (profile) {
- case H265Profile::kProfileMain:
- return "1";
- case H265Profile::kProfileMain10:
- return "2";
- case H265Profile::kProfileMainStill:
- return "3";
- case H265Profile::kProfileRangeExtensions:
- return "4";
- case H265Profile::kProfileHighThroughput:
- return "5";
- case H265Profile::kProfileMultiviewMain:
- return "6";
- case H265Profile::kProfileScalableMain:
- return "7";
- case H265Profile::kProfile3dMain:
- return "8";
- case H265Profile::kProfileScreenContentCoding:
- return "9";
- case H265Profile::kProfileScalableRangeExtensions:
- return "10";
- case H265Profile::kProfileHighThroughputScreenContentCoding:
- return "11";
- }
-}
-
-std::string H265TierToString(H265Tier tier) {
- switch (tier) {
- case H265Tier::kTier0:
- return "0";
- case H265Tier::kTier1:
- return "1";
- }
-}
-
-std::string H265LevelToString(H265Level level) {
- switch (level) {
- case H265Level::kLevel1:
- return "30";
- case H265Level::kLevel2:
- return "60";
- case H265Level::kLevel2_1:
- return "63";
- case H265Level::kLevel3:
- return "90";
- case H265Level::kLevel3_1:
- return "93";
- case H265Level::kLevel4:
- return "120";
- case H265Level::kLevel4_1:
- return "123";
- case H265Level::kLevel5:
- return "150";
- case H265Level::kLevel5_1:
- return "153";
- case H265Level::kLevel5_2:
- return "156";
- case H265Level::kLevel6:
- return "180";
- case H265Level::kLevel6_1:
- return "183";
- case H265Level::kLevel6_2:
- return "186";
- }
-}
-
-absl::optional<H265ProfileTierLevel> ParseSdpForH265ProfileTierLevel(
- const SdpVideoFormat::Parameters& params) {
- static const H265ProfileTierLevel kDefaultProfileTierLevel(
- H265Profile::kProfileMain, H265Tier::kTier0, H265Level::kLevel3_1);
- bool profile_tier_level_specified = false;
-
- absl::optional<H265Profile> profile;
- const auto profile_it = params.find(kH265FmtpProfile);
- if (profile_it != params.end()) {
- profile_tier_level_specified = true;
- const std::string& profile_str = profile_it->second;
- profile = StringToH265Profile(profile_str);
- if (!profile) {
- return absl::nullopt;
- }
- } else {
- profile = H265Profile::kProfileMain;
- }
- absl::optional<H265Tier> tier;
- const auto tier_it = params.find(kH265FmtpTier);
- if (tier_it != params.end()) {
- profile_tier_level_specified = true;
- const std::string& tier_str = tier_it->second;
- tier = StringToH265Tier(tier_str);
- if (!tier) {
- return absl::nullopt;
- }
- } else {
- tier = H265Tier::kTier0;
- }
- absl::optional<H265Level> level;
- const auto level_it = params.find(kH265FmtpLevel);
- if (level_it != params.end()) {
- profile_tier_level_specified = true;
- const std::string& level_str = level_it->second;
- level = StringToH265Level(level_str);
- if (!level) {
- return absl::nullopt;
- }
- } else {
- level = H265Level::kLevel3_1;
- }
-
- // Spec Table A.9, level 1 to level 3.1 does not allow high tiers.
- if (level <= H265Level::kLevel3_1 && tier == H265Tier::kTier1) {
- return absl::nullopt;
- }
-
- return !profile_tier_level_specified
- ? kDefaultProfileTierLevel
- : H265ProfileTierLevel(profile.value(), tier.value(),
- level.value());
-}
-
-bool H265IsSameProfileTierLevel(const SdpVideoFormat::Parameters& params1,
- const SdpVideoFormat::Parameters& params2) {
- const absl::optional<H265ProfileTierLevel> ptl1 =
- ParseSdpForH265ProfileTierLevel(params1);
- const absl::optional<H265ProfileTierLevel> ptl2 =
- ParseSdpForH265ProfileTierLevel(params2);
- return ptl1 && ptl2 && ptl1->profile == ptl2->profile &&
- ptl1->tier == ptl2->tier && ptl1->level == ptl2->level;
-}
-
-} // namespace webrtc
+/*
+ * Copyright (c) 2023 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/h265_profile_tier_level.h"
+
+#include <string>
+
+#include "rtc_base/string_to_number.h"
+
+namespace webrtc {
+
+namespace {
+
+const char kH265FmtpProfile[] = "profile-id";
+const char kH265FmtpTier[] = "tier-flag";
+const char kH265FmtpLevel[] = "level-id";
+
+} // anonymous namespace
+
+// Annex A of https://www.itu.int/rec/T-REC-H.265 (08/21), section A.3.
+absl::optional<H265Profile> StringToH265Profile(const std::string& profile) {
+ absl::optional<int> i = rtc::StringToNumber<int>(profile);
+ if (!i.has_value()) {
+ return absl::nullopt;
+ }
+
+ switch (i.value()) {
+ case 1:
+ return H265Profile::kProfileMain;
+ case 2:
+ return H265Profile::kProfileMain10;
+ case 3:
+ return H265Profile::kProfileMainStill;
+ case 4:
+ return H265Profile::kProfileRangeExtensions;
+ case 5:
+ return H265Profile::kProfileHighThroughput;
+ case 6:
+ return H265Profile::kProfileMultiviewMain;
+ case 7:
+ return H265Profile::kProfileScalableMain;
+ case 8:
+ return H265Profile::kProfile3dMain;
+ case 9:
+ return H265Profile::kProfileScreenContentCoding;
+ case 10:
+ return H265Profile::kProfileScalableRangeExtensions;
+ case 11:
+ return H265Profile::kProfileHighThroughputScreenContentCoding;
+ default:
+ return absl::nullopt;
+ }
+}
+
+// Annex A of https://www.itu.int/rec/T-REC-H.265 (08/21), section A.4,
+// tiers and levels.
+absl::optional<H265Tier> StringToH265Tier(const std::string& tier) {
+ absl::optional<int> i = rtc::StringToNumber<int>(tier);
+ if (!i.has_value()) {
+ return absl::nullopt;
+ }
+
+ switch (i.value()) {
+ case 0:
+ return H265Tier::kTier0;
+ case 1:
+ return H265Tier::kTier1;
+ default:
+ return absl::nullopt;
+ }
+}
+
+absl::optional<H265Level> StringToH265Level(const std::string& level) {
+ const absl::optional<int> i = rtc::StringToNumber<int>(level);
+ if (!i.has_value())
+ return absl::nullopt;
+
+ switch (i.value()) {
+ case 30:
+ return H265Level::kLevel1;
+ case 60:
+ return H265Level::kLevel2;
+ case 63:
+ return H265Level::kLevel2_1;
+ case 90:
+ return H265Level::kLevel3;
+ case 93:
+ return H265Level::kLevel3_1;
+ case 120:
+ return H265Level::kLevel4;
+ case 123:
+ return H265Level::kLevel4_1;
+ case 150:
+ return H265Level::kLevel5;
+ case 153:
+ return H265Level::kLevel5_1;
+ case 156:
+ return H265Level::kLevel5_2;
+ case 180:
+ return H265Level::kLevel6;
+ case 183:
+ return H265Level::kLevel6_1;
+ case 186:
+ return H265Level::kLevel6_2;
+ default:
+ return absl::nullopt;
+ }
+}
+
+std::string H265ProfileToString(H265Profile profile) {
+ switch (profile) {
+ case H265Profile::kProfileMain:
+ return "1";
+ case H265Profile::kProfileMain10:
+ return "2";
+ case H265Profile::kProfileMainStill:
+ return "3";
+ case H265Profile::kProfileRangeExtensions:
+ return "4";
+ case H265Profile::kProfileHighThroughput:
+ return "5";
+ case H265Profile::kProfileMultiviewMain:
+ return "6";
+ case H265Profile::kProfileScalableMain:
+ return "7";
+ case H265Profile::kProfile3dMain:
+ return "8";
+ case H265Profile::kProfileScreenContentCoding:
+ return "9";
+ case H265Profile::kProfileScalableRangeExtensions:
+ return "10";
+ case H265Profile::kProfileHighThroughputScreenContentCoding:
+ return "11";
+ }
+}
+
+std::string H265TierToString(H265Tier tier) {
+ switch (tier) {
+ case H265Tier::kTier0:
+ return "0";
+ case H265Tier::kTier1:
+ return "1";
+ }
+}
+
+std::string H265LevelToString(H265Level level) {
+ switch (level) {
+ case H265Level::kLevel1:
+ return "30";
+ case H265Level::kLevel2:
+ return "60";
+ case H265Level::kLevel2_1:
+ return "63";
+ case H265Level::kLevel3:
+ return "90";
+ case H265Level::kLevel3_1:
+ return "93";
+ case H265Level::kLevel4:
+ return "120";
+ case H265Level::kLevel4_1:
+ return "123";
+ case H265Level::kLevel5:
+ return "150";
+ case H265Level::kLevel5_1:
+ return "153";
+ case H265Level::kLevel5_2:
+ return "156";
+ case H265Level::kLevel6:
+ return "180";
+ case H265Level::kLevel6_1:
+ return "183";
+ case H265Level::kLevel6_2:
+ return "186";
+ }
+}
+
+absl::optional<H265ProfileTierLevel> ParseSdpForH265ProfileTierLevel(
+ const CodecParameterMap& params) {
+ static const H265ProfileTierLevel kDefaultProfileTierLevel(
+ H265Profile::kProfileMain, H265Tier::kTier0, H265Level::kLevel3_1);
+ bool profile_tier_level_specified = false;
+
+ absl::optional<H265Profile> profile;
+ const auto profile_it = params.find(kH265FmtpProfile);
+ if (profile_it != params.end()) {
+ profile_tier_level_specified = true;
+ const std::string& profile_str = profile_it->second;
+ profile = StringToH265Profile(profile_str);
+ if (!profile) {
+ return absl::nullopt;
+ }
+ } else {
+ profile = H265Profile::kProfileMain;
+ }
+ absl::optional<H265Tier> tier;
+ const auto tier_it = params.find(kH265FmtpTier);
+ if (tier_it != params.end()) {
+ profile_tier_level_specified = true;
+ const std::string& tier_str = tier_it->second;
+ tier = StringToH265Tier(tier_str);
+ if (!tier) {
+ return absl::nullopt;
+ }
+ } else {
+ tier = H265Tier::kTier0;
+ }
+ absl::optional<H265Level> level;
+ const auto level_it = params.find(kH265FmtpLevel);
+ if (level_it != params.end()) {
+ profile_tier_level_specified = true;
+ const std::string& level_str = level_it->second;
+ level = StringToH265Level(level_str);
+ if (!level) {
+ return absl::nullopt;
+ }
+ } else {
+ level = H265Level::kLevel3_1;
+ }
+
+ // Spec Table A.9, level 1 to level 3.1 does not allow high tiers.
+ if (level <= H265Level::kLevel3_1 && tier == H265Tier::kTier1) {
+ return absl::nullopt;
+ }
+
+ return !profile_tier_level_specified
+ ? kDefaultProfileTierLevel
+ : H265ProfileTierLevel(profile.value(), tier.value(),
+ level.value());
+}
+
+bool H265IsSameProfileTierLevel(const CodecParameterMap& params1,
+ const CodecParameterMap& params2) {
+ const absl::optional<H265ProfileTierLevel> ptl1 =
+ ParseSdpForH265ProfileTierLevel(params1);
+ const absl::optional<H265ProfileTierLevel> ptl2 =
+ ParseSdpForH265ProfileTierLevel(params2);
+ return ptl1 && ptl2 && ptl1->profile == ptl2->profile &&
+ ptl1->tier == ptl2->tier && ptl1->level == ptl2->level;
+}
+
+} // namespace webrtc