1 /*
2  *  Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef MEDIA_BASE_SDP_FMTP_UTILS_H_
12 #define MEDIA_BASE_SDP_FMTP_UTILS_H_
13 
14 #include "absl/types/optional.h"
15 #include "api/video_codecs/sdp_video_format.h"
16 
17 namespace webrtc {
18 
19 // Parse max frame rate from SDP FMTP line. absl::nullopt is returned if the
20 // field is missing or not a number.
21 absl::optional<int> ParseSdpForVPxMaxFrameRate(
22     const SdpVideoFormat::Parameters& params);
23 
24 // Parse max frame size from SDP FMTP line. absl::nullopt is returned if the
25 // field is missing or not a number. Please note that the value is stored in sub
26 // blocks but the returned value is in total number of pixels.
27 absl::optional<int> ParseSdpForVPxMaxFrameSize(
28     const SdpVideoFormat::Parameters& params);
29 
30 }  // namespace webrtc
31 
32 #endif  // MEDIA_BASE_SDP_FMTP_UTILS_H__
33