Nagram/TMessagesProj/jni/webrtc/media/base/sdp_fmtp_utils.h

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2020-08-14 16:58:22 +00:00
/*
* Copyright (c) 2019 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 MEDIA_BASE_SDP_FMTP_UTILS_H_
#define MEDIA_BASE_SDP_FMTP_UTILS_H_
#include "absl/types/optional.h"
#include "api/video_codecs/sdp_video_format.h"
namespace webrtc {
// Parse max frame rate from SDP FMTP line. absl::nullopt is returned if the
// field is missing or not a number.
absl::optional<int> ParseSdpForVPxMaxFrameRate(
const SdpVideoFormat::Parameters& params);
// Parse max frame size from SDP FMTP line. absl::nullopt is returned if the
// field is missing or not a number. Please note that the value is stored in sub
// blocks but the returned value is in total number of pixels.
absl::optional<int> ParseSdpForVPxMaxFrameSize(
const SdpVideoFormat::Parameters& params);
} // namespace webrtc
#endif // MEDIA_BASE_SDP_FMTP_UTILS_H__