3f42fdf19f
This reverts commit 3babb8af238a531cbff27951604b09bb78b762cd. Reason for revert: - Causes regressions to transceivers, see https://crbug.com/1291956 for more information, including tests to reproduce the issue. This CL is not a pure revert. While it reverts everything else, it does keep the new enum value (kProfilePredictiveHigh444). This is as to not break Chromium which already depend on it. It is not listed in the kProfilePatterns though so the enum value should never be applicable. Original change's description: > Added support for H264 YUV444 (I444) decoding. > > Added Nutanix Inc. to the AUTHORS file. > > PS#1 is a reland of "Added support for H264 YUV444 (I444) decoding." https://webrtc-review.googlesource.com/c/src/+/234540 > > Bug: chromium:1251096 > Change-Id: I99a1b1e4d8b60192ff96f92334a430240875c66c > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/235340 > Reviewed-by: Niels Moller <nisse@webrtc.org> > Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> > Reviewed-by: Harald Alvestrand <hta@webrtc.org> > Commit-Queue: Harald Alvestrand <hta@webrtc.org> > Cr-Commit-Position: refs/heads/main@{#35684} # Not skipping CQ checks because original CL landed > 1 day ago. Bug: chromium:1251096, chromium:1291956 Change-Id: Ib4d8ea4898f9832914d88e7076e6b39da0c804ca Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/249791 Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Auto-Submit: Henrik Boström <hbos@webrtc.org> Reviewed-by: Henrik Boström <hbos@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35835}
94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
/*
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* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef API_VIDEO_CODECS_H264_PROFILE_LEVEL_ID_H_
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#define API_VIDEO_CODECS_H264_PROFILE_LEVEL_ID_H_
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#include <string>
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#include "absl/types/optional.h"
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#include "api/video_codecs/sdp_video_format.h"
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#include "rtc_base/system/rtc_export.h"
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namespace webrtc {
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enum class H264Profile {
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kProfileConstrainedBaseline,
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kProfileBaseline,
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kProfileMain,
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kProfileConstrainedHigh,
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kProfileHigh,
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// TODO(https://crbug.com/1251096): Implement support for this profile.
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kProfilePredictiveHigh444,
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};
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// All values are equal to ten times the level number, except level 1b which is
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// special.
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enum class H264Level {
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kLevel1_b = 0,
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kLevel1 = 10,
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kLevel1_1 = 11,
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kLevel1_2 = 12,
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kLevel1_3 = 13,
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kLevel2 = 20,
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kLevel2_1 = 21,
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kLevel2_2 = 22,
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kLevel3 = 30,
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kLevel3_1 = 31,
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kLevel3_2 = 32,
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kLevel4 = 40,
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kLevel4_1 = 41,
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kLevel4_2 = 42,
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kLevel5 = 50,
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kLevel5_1 = 51,
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kLevel5_2 = 52
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};
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struct H264ProfileLevelId {
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constexpr H264ProfileLevelId(H264Profile profile, H264Level level)
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: profile(profile), level(level) {}
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H264Profile profile;
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H264Level level;
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};
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// Parse profile level id that is represented as a string of 3 hex bytes.
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// Nothing will be returned if the string is not a recognized H264
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// profile level id.
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absl::optional<H264ProfileLevelId> ParseH264ProfileLevelId(const char* str);
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// Parse profile level id that is represented as a string of 3 hex bytes
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// contained in an SDP key-value map. A default profile level id will be
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// returned if the profile-level-id key is missing. Nothing will be returned if
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// the key is present but the string is invalid.
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RTC_EXPORT absl::optional<H264ProfileLevelId> ParseSdpForH264ProfileLevelId(
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const SdpVideoFormat::Parameters& params);
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// Given that a decoder supports up to a given frame size (in pixels) at up to a
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// given number of frames per second, return the highest H.264 level where it
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// can guarantee that it will be able to support all valid encoded streams that
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// are within that level.
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RTC_EXPORT absl::optional<H264Level> H264SupportedLevel(
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int max_frame_pixel_count,
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float max_fps);
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// Returns canonical string representation as three hex bytes of the profile
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// level id, or returns nothing for invalid profile level ids.
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RTC_EXPORT absl::optional<std::string> H264ProfileLevelIdToString(
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const H264ProfileLevelId& profile_level_id);
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// Returns true if the parameters have the same H264 profile (Baseline, High,
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// etc).
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RTC_EXPORT bool H264IsSameProfile(const SdpVideoFormat::Parameters& params1,
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const SdpVideoFormat::Parameters& params2);
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} // namespace webrtc
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#endif // API_VIDEO_CODECS_H264_PROFILE_LEVEL_ID_H_
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