54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
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/*
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* Copyright (c) 2018 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_VP9_PROFILE_H_
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#define MEDIA_BASE_VP9_PROFILE_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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// Profile information for VP9 video.
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extern RTC_EXPORT const char kVP9FmtpProfileId[];
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enum class VP9Profile {
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kProfile0,
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kProfile1,
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kProfile2,
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};
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// Helper functions to convert VP9Profile to std::string. Returns "0" by
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// default.
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RTC_EXPORT std::string VP9ProfileToString(VP9Profile profile);
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// Helper functions to convert std::string to VP9Profile. Returns null if given
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// an invalid profile string.
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absl::optional<VP9Profile> StringToVP9Profile(const std::string& str);
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// Parse profile that is represented as a string of single digit contained in an
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// SDP key-value map. A default profile(kProfile0) will be returned if the
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// profile key is missing. Nothing will be returned if the key is present but
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// the string is invalid.
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RTC_EXPORT absl::optional<VP9Profile> ParseSdpForVP9Profile(
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const SdpVideoFormat::Parameters& params);
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// Returns true if the parameters have the same VP9 profile, or neither contains
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// VP9 profile.
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bool IsSameVP9Profile(const SdpVideoFormat::Parameters& params1,
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const SdpVideoFormat::Parameters& params2);
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} // namespace webrtc
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#endif // MEDIA_BASE_VP9_PROFILE_H_
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