| /* |
| * Copyright 2020 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 CALL_ADAPTATION_VIDEO_SOURCE_RESTRICTIONS_H_ |
| #define CALL_ADAPTATION_VIDEO_SOURCE_RESTRICTIONS_H_ |
| |
| #include <utility> |
| |
| #include "absl/types/optional.h" |
| |
| namespace webrtc { |
| |
| // Describes optional restrictions to the resolution and frame rate of a video |
| // source. |
| class VideoSourceRestrictions { |
| public: |
| // Constructs without any restrictions. |
| VideoSourceRestrictions(); |
| // All values must be positive or nullopt. |
| // TODO(hbos): Support expressing "disable this stream"? |
| VideoSourceRestrictions(absl::optional<size_t> max_pixels_per_frame, |
| absl::optional<size_t> target_pixels_per_frame, |
| absl::optional<double> max_frame_rate); |
| |
| bool operator==(const VideoSourceRestrictions& rhs) const { |
| return max_pixels_per_frame_ == rhs.max_pixels_per_frame_ && |
| target_pixels_per_frame_ == rhs.target_pixels_per_frame_ && |
| max_frame_rate_ == rhs.max_frame_rate_; |
| } |
| bool operator!=(const VideoSourceRestrictions& rhs) const { |
| return !(*this == rhs); |
| } |
| |
| const absl::optional<size_t>& max_pixels_per_frame() const; |
| const absl::optional<size_t>& target_pixels_per_frame() const; |
| const absl::optional<double>& max_frame_rate() const; |
| |
| void set_max_pixels_per_frame(absl::optional<size_t> max_pixels_per_frame); |
| void set_target_pixels_per_frame( |
| absl::optional<size_t> target_pixels_per_frame); |
| void set_max_frame_rate(absl::optional<double> max_frame_rate); |
| |
| private: |
| // These map to rtc::VideoSinkWants's |max_pixel_count| and |
| // |target_pixel_count|. |
| // TODO(hbos): It's not clear what "target" means; either make it well-defined |
| // or remove it in favor of only using |max_pixels_per_frame_|. |
| absl::optional<size_t> max_pixels_per_frame_; |
| absl::optional<size_t> target_pixels_per_frame_; |
| absl::optional<double> max_frame_rate_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // CALL_ADAPTATION_VIDEO_SOURCE_RESTRICTIONS_H_ |