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/*
* Copyright (c) 2021 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_VP9_PROFILE_H_
#define API_VIDEO_CODECS_VP9_PROFILE_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 {
// Profile information for VP9 video.
extern RTC_EXPORT const char kVP9FmtpProfileId[];
enum class VP9Profile {
kProfile0,
kProfile1,
kProfile2,
kProfile3,
};
// Helper functions to convert VP9Profile to std::string. Returns "0" by
// default.
RTC_EXPORT std::string VP9ProfileToString(VP9Profile profile);
// Helper functions to convert std::string to VP9Profile. Returns null if given
// an invalid profile string.
absl::optional<VP9Profile> StringToVP9Profile(const std::string& str);
// Parse profile that is represented as a string of single digit contained in an
// SDP key-value map. A default profile(kProfile0) will be returned if the
// profile key is missing. Nothing will be returned if the key is present but
// the string is invalid.
RTC_EXPORT absl::optional<VP9Profile> ParseSdpForVP9Profile(
const SdpVideoFormat::Parameters& params);
// Returns true if the parameters have the same VP9 profile, or neither contains
// VP9 profile.
bool VP9IsSameProfile(const SdpVideoFormat::Parameters& params1,
const SdpVideoFormat::Parameters& params2);
} // namespace webrtc
#endif // API_VIDEO_CODECS_VP9_PROFILE_H_
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