mirror of
https://github.com/hajimehoshi/ebiten.git
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59 lines
2.0 KiB
Go
59 lines
2.0 KiB
Go
// Copyright 2015 Hajime Hoshi
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package audio
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import (
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"github.com/hajimehoshi/ebiten/exp/audio/internal"
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)
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// SampleRate returns the sampling frequency (e.g. 44100).
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func SampleRate() int {
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return internal.SampleRate
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}
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// MaxChannel is a max number of channels.
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var MaxChannel = internal.MaxChannel
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// Play appends the given data to the given channel.
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//
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// channel must be -1 or a channel index. If channel is -1, an empty channel is automatically selected.
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// If the channel is not empty, this function does nothing and returns false. This returns true otherwise.
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//
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// data's format must be linear PCM (44100Hz, 16bits, 2 channel stereo, little endian).
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//
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// This function is useful to play SE or a note of PCM synthesis immediately.
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func Play(channel int, data []byte) bool {
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return internal.Play(channel, data)
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}
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// Queue queues the given data to the given channel.
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// The given data is queued to the end of the buffer and not played immediately.
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//
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// channel must be a channel index. You can't give -1 to channel.
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//
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// data's format must be linear PCM (44100Hz, 16bits, 2 channel stereo, little endian).
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//
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// This function is useful to play streaming data.
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func Queue(channel int, data []byte) {
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internal.Queue(channel, data)
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}
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// IsPlaying returns a boolean value which indicates if the channel buffer has data to play.
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func IsPlaying(channel int) bool {
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return internal.IsPlaying(channel)
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}
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// TODO: Add Clear function
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