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
    EIGHT_BIT = 0x2;               // 1 << 1
    SIXTEEN_BIT = 0x4;             // 1 << 2
    TWENTY_BIT_PACKED = 0x10;      // 1 << 4
    TWENTY_FOUR_BIT_PACKED = 0x20; // 1 << 5
    TWENTY_BIT_IN32 = 0x40;        // 1 << 6
    TWENTY_FOUR_BIT_IN32 = 0x80;   // 1 << 7
    THIRTY_TWO_BIT = 0x100;        // 1 << 8
    THIRTY_TWO_BIT_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;
};