mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-13 05:40:42 +01:00
63d03f586b
which come from the a=fmtp:<pt> lines in the SDP and were used as either std::map<std::string, std:string> with three aliases, cricket::CodecParameterMap SdpAudioFormat::Parameters SdpVideoFormat::Parameters Use webrtc::CodecParameterMap in all places. BUG=None Change-Id: If47692bde7347834c349c6539b43309d8770e67b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/330420 Reviewed-by: Florent Castelli <orphis@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Philipp Hancke <phancke@microsoft.com> Cr-Commit-Position: refs/heads/main@{#41375}
109 lines
3.6 KiB
C++
109 lines
3.6 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef API_VIDEO_CODECS_H265_PROFILE_TIER_LEVEL_H_
|
|
#define API_VIDEO_CODECS_H265_PROFILE_TIER_LEVEL_H_
|
|
|
|
#include <string>
|
|
|
|
#include "absl/types/optional.h"
|
|
#include "api/video_codecs/sdp_video_format.h"
|
|
#include "rtc_base/system/rtc_export.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// Profiles can be found at:
|
|
// https://www.itu.int/rec/T-REC-H.265
|
|
// The enum values match the number specified in the SDP.
|
|
enum class H265Profile {
|
|
kProfileMain = 1,
|
|
kProfileMain10 = 2,
|
|
kProfileMainStill = 3,
|
|
kProfileRangeExtensions = 4,
|
|
kProfileHighThroughput = 5,
|
|
kProfileMultiviewMain = 6,
|
|
kProfileScalableMain = 7,
|
|
kProfile3dMain = 8,
|
|
kProfileScreenContentCoding = 9,
|
|
kProfileScalableRangeExtensions = 10,
|
|
kProfileHighThroughputScreenContentCoding = 11,
|
|
};
|
|
|
|
// Tiers can be found at https://www.itu.int/rec/T-REC-H.265
|
|
enum class H265Tier {
|
|
kTier0,
|
|
kTier1,
|
|
};
|
|
|
|
// All values are equal to 30 times the level number.
|
|
enum class H265Level {
|
|
kLevel1 = 30,
|
|
kLevel2 = 60,
|
|
kLevel2_1 = 63,
|
|
kLevel3 = 90,
|
|
kLevel3_1 = 93,
|
|
kLevel4 = 120,
|
|
kLevel4_1 = 123,
|
|
kLevel5 = 150,
|
|
kLevel5_1 = 153,
|
|
kLevel5_2 = 156,
|
|
kLevel6 = 180,
|
|
kLevel6_1 = 183,
|
|
kLevel6_2 = 186,
|
|
};
|
|
|
|
struct H265ProfileTierLevel {
|
|
constexpr H265ProfileTierLevel(H265Profile profile,
|
|
H265Tier tier,
|
|
H265Level level)
|
|
: profile(profile), tier(tier), level(level) {}
|
|
H265Profile profile;
|
|
H265Tier tier;
|
|
H265Level level;
|
|
};
|
|
|
|
// Helper function to convert H265Profile to std::string.
|
|
RTC_EXPORT std::string H265ProfileToString(H265Profile profile);
|
|
|
|
// Helper function to convert H265Tier to std::string.
|
|
RTC_EXPORT std::string H265TierToString(H265Tier tier);
|
|
|
|
// Helper function to convert H265Level to std::string.
|
|
RTC_EXPORT std::string H265LevelToString(H265Level level);
|
|
|
|
// Helper function to get H265Profile from profile string.
|
|
RTC_EXPORT absl::optional<H265Profile> StringToH265Profile(
|
|
const std::string& profile);
|
|
|
|
// Helper function to get H265Tier from tier string.
|
|
RTC_EXPORT absl::optional<H265Tier> StringToH265Tier(const std::string& tier);
|
|
|
|
// Helper function to get H265Level from level string.
|
|
RTC_EXPORT absl::optional<H265Level> StringToH265Level(
|
|
const std::string& level);
|
|
|
|
// Parses an SDP key-value map of format parameters to retrive an H265
|
|
// profile/tier/level. Returns an H265ProfileTierlevel by setting its
|
|
// members. profile defaults to `kProfileMain` if no profile-id is specified.
|
|
// tier defaults to "kTier0" if no tier-flag is specified.
|
|
// level defaults to "kLevel3_1" if no level-id is specified.
|
|
// Returns empty value if any of the profile/tier/level key is present but
|
|
// contains an invalid value.
|
|
RTC_EXPORT absl::optional<H265ProfileTierLevel> ParseSdpForH265ProfileTierLevel(
|
|
const CodecParameterMap& params);
|
|
|
|
// Returns true if the parameters have the same H265 profile or neither contains
|
|
// an H265 profile, otherwise false.
|
|
RTC_EXPORT bool H265IsSameProfileTierLevel(const CodecParameterMap& params1,
|
|
const CodecParameterMap& params2);
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // API_VIDEO_CODECS_H265_PROFILE_TIER_LEVEL_H_
|