c3fcee7c3a
This is a refactor to simplify a follow-up CL of adding SdpVideoFormat::IsSameCodec. The original files media/base/h264_profile_level_id.* and media/base/vp9_profile.h must be kept until downstream projects stop using them. Bug: chroimium:1187565 Change-Id: Ib39eca095a3d61939a914d9bffaf4b891ddd222f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/215236 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Johannes Kron <kron@webrtc.org> Cr-Commit-Position: refs/heads/master@{#33782}
86 lines
3.6 KiB
C++
86 lines
3.6 KiB
C++
/*
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* Copyright (c) 2017 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 MEDIA_BASE_H264_PROFILE_LEVEL_ID_H_
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#define MEDIA_BASE_H264_PROFILE_LEVEL_ID_H_
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#include <string>
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#include "api/video_codecs/h264_profile_level_id.h"
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// TODO(crbug.com/1187565): Remove this file once downstream projects stop
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// depend on it.
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namespace webrtc {
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namespace H264 {
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typedef H264Profile Profile;
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typedef H264Level Level;
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typedef H264ProfileLevelId ProfileLevelId;
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constexpr H264Profile kProfileConstrainedBaseline =
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H264Profile::kProfileConstrainedBaseline;
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constexpr H264Profile kProfileBaseline = H264Profile::kProfileBaseline;
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constexpr H264Profile kProfileMain = H264Profile::kProfileMain;
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constexpr H264Profile kProfileConstrainedHigh =
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H264Profile::kProfileConstrainedHigh;
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constexpr H264Profile kProfileHigh = H264Profile::kProfileHigh;
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constexpr H264Level kLevel1_b = H264Level::kLevel1_b;
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constexpr H264Level kLevel1 = H264Level::kLevel1;
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constexpr H264Level kLevel1_1 = H264Level::kLevel1_1;
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constexpr H264Level kLevel1_2 = H264Level::kLevel1_2;
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constexpr H264Level kLevel1_3 = H264Level::kLevel1_3;
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constexpr H264Level kLevel2 = H264Level::kLevel2;
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constexpr H264Level kLevel2_1 = H264Level::kLevel2_1;
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constexpr H264Level kLevel2_2 = H264Level::kLevel2_2;
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constexpr H264Level kLevel3 = H264Level::kLevel3;
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constexpr H264Level kLevel3_1 = H264Level::kLevel3_1;
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constexpr H264Level kLevel3_2 = H264Level::kLevel3_2;
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constexpr H264Level kLevel4 = H264Level::kLevel4;
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constexpr H264Level kLevel4_1 = H264Level::kLevel4_1;
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constexpr H264Level kLevel4_2 = H264Level::kLevel4_2;
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constexpr H264Level kLevel5 = H264Level::kLevel5;
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constexpr H264Level kLevel5_1 = H264Level::kLevel5_1;
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constexpr H264Level kLevel5_2 = H264Level::kLevel5_2;
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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<ProfileLevelId> ParseProfileLevelId(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<ProfileLevelId> ParseSdpProfileLevelId(
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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<Level> SupportedLevel(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> ProfileLevelIdToString(
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const ProfileLevelId& profile_level_id);
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// Returns true if the parameters have the same H264 profile, i.e. the same
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// H264::Profile (Baseline, High, etc).
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RTC_EXPORT bool IsSameH264Profile(const SdpVideoFormat::Parameters& params1,
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const SdpVideoFormat::Parameters& params2);
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} // namespace H264
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} // namespace webrtc
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#endif // MEDIA_BASE_H264_PROFILE_LEVEL_ID_H_
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