sdk/banjo/fuchsia.hardware.audiotypes/audio.banjo

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library fuchsia.hardware.audiotypes;

enum AudioTypesAudioSampleFormat : uint32 {
    BITSTREAM = 0x1;              // 1 << 0
    8BIT = 0x2;                   // 1 << 1
    16BIT = 0x4;                  // 1 << 2
    20BIT_PACKED = 0x10;          // 1 << 4
    24BIT_PACKED = 0x20;          // 1 << 5
    20BIT_IN32 = 0x40;            // 1 << 6
    24BIT_IN32 = 0x80;            // 1 << 7
    32BIT = 0x100;                // 1 << 8
    32BIT_FLOAT = 0x200;          // 1 << 9

    FLAG_UNSIGNED = 0x4000;       // 1 << 30
    FLAG_INVERT_ENDIAN = 0x8000;  // 1 << 31
    FLAG_MASK = 0xC000;           // FLAG_UNSIGNED | FLAG_INVERT_ENDIAN
};

[Packed]
struct AudioTypesAudioStreamFormatRange {
    AudioTypesAudioSampleFormat sample_formats;
    uint32 min_frames_per_second;
    uint32 max_frames_per_second;
    uint8 min_channels;
    uint8 max_channels;
    uint16 flags;
};