fuchsia_audio_codec/
buffer_collection_constraints.rs

1// Copyright 2020 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use fidl_fuchsia_sysmem2::*;
6
7pub fn buffer_collection_constraints_default() -> BufferCollectionConstraints {
8    BufferCollectionConstraints {
9        // Set `video` usage even though we aren't doing video, as otherwise sysmem complains about not having it set.
10        usage: Some(BufferUsage {
11            cpu: Some(CPU_USAGE_READ),
12            video: Some(VIDEO_USAGE_HW_DECODER),
13            ..Default::default()
14        }),
15        // Indicate we want at least one buffer available on our end at all times.
16        min_buffer_count_for_camping: Some(1),
17        ..Default::default()
18    }
19}