| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MOJO_MEDIA_MODELS_DEMAND_H_ |
| #define MOJO_MEDIA_MODELS_DEMAND_H_ |
| |
| namespace mojo { |
| namespace media { |
| |
| // Expresses packet demand for signalling upstream in a graph. |
| enum class Demand { |
| // Ordered such that (kNegative < kNeutral < kPositive). |
| |
| // No packet can currently be accepted. |
| kNegative = -1, |
| |
| // A packet can be accepted but is not required to meet timing constraints. |
| kNeutral = 0, |
| |
| // A packet is required to meet timing constraints. |
| kPositive = 1 |
| }; |
| |
| } // namespace media |
| } // namespace mojo |
| |
| #endif // MOJO_MEDIA_MODELS_DEMAND_H_ |
