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Ali
2020-07-05 14:24:01 +04:00
parent 9b93ef1116
commit 52aa4f5619
4 changed files with 32 additions and 10 deletions
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21
submodules/MediaPlayer/Sources/MediaPlayerAudioRenderer.swift
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@@ -19,17 +19,19 @@ private final class AudioPlayerRendererBufferContext {
var lowWaterSize: Int
var notifyLowWater: () -> Void
var updatedRate: () -> Void
var updatedLevel: (Float) -> Void
var notifiedLowWater = false
var overflowData = Data()
var overflowDataMaxChannelSampleIndex: Int64 = 0
var renderTimestampTick: Int64 = 0
init(timebase: CMTimebase, buffer: RingByteBuffer, lowWaterSize: Int, notifyLowWater: @escaping () -> Void, updatedRate: @escaping () -> Void) {
init(timebase: CMTimebase, buffer: RingByteBuffer, lowWaterSize: Int, notifyLowWater: @escaping () -> Void, updatedRate: @escaping () -> Void, updatedLevel: @escaping (Float) -> Void) {
self.timebase = timebase
self.buffer = buffer
self.lowWaterSize = lowWaterSize
self.notifyLowWater = notifyLowWater
self.updatedRate = updatedRate
self.updatedLevel = updatedLevel
}
}
@@ -111,6 +113,7 @@ private func rendererInputProc(refCon: UnsafeMutableRawPointer, ioActionFlags: U
}
let rendererBuffer = context.buffer
var updatedLevel = false
while rendererFillOffset.0 < bufferList.count {
if let bufferData = bufferList[rendererFillOffset.0].mData {
@@ -125,6 +128,11 @@ private func rendererInputProc(refCon: UnsafeMutableRawPointer, ioActionFlags: U
let consumeCount = bufferDataSize - dataOffset
let actualConsumedCount = rendererBuffer.dequeue(bufferData.advanced(by: dataOffset), count: consumeCount)
if !updatedLevel && actualConsumedCount > 0 {
updatedLevel = true
let value = bufferData.advanced(by: dataOffset).assumingMemoryBound(to: UInt16.self).pointee
context.updatedLevel(Float(value) / Float(UInt16.max))
}
rendererFillOffset.1 += actualConsumedCount
if actualConsumedCount == 0 {
@@ -188,6 +196,8 @@ private final class AudioPlayerRendererContext {
var paused = true
var baseRate: Double
let audioLevelPipe: ValuePipe<Float>
var audioGraph: AUGraph?
var timePitchAudioUnit: AudioComponentInstance?
var outputAudioUnit: AudioComponentInstance?
@@ -210,12 +220,13 @@ private final class AudioPlayerRendererContext {
}
}
init(controlTimebase: CMTimebase, audioSession: MediaPlayerAudioSessionControl, playAndRecord: Bool, forceAudioToSpeaker: Bool, baseRate: Double, updatedRate: @escaping () -> Void, audioPaused: @escaping () -> Void) {
init(controlTimebase: CMTimebase, audioSession: MediaPlayerAudioSessionControl, playAndRecord: Bool, forceAudioToSpeaker: Bool, baseRate: Double, audioLevelPipe: ValuePipe<Float>, updatedRate: @escaping () -> Void, audioPaused: @escaping () -> Void) {
assert(audioPlayerRendererQueue.isCurrent())
self.audioSession = audioSession
self.forceAudioToSpeaker = forceAudioToSpeaker
self.baseRate = baseRate
self.audioLevelPipe = audioLevelPipe
self.controlTimebase = controlTimebase
self.updatedRate = updatedRate
@@ -234,6 +245,8 @@ private final class AudioPlayerRendererContext {
notifyLowWater()
}, updatedRate: {
updatedRate()
}, updatedLevel: { level in
audioLevelPipe.putNext(level)
}))
self.bufferContextId = registerPlayerRendererBufferContext(self.bufferContext)
@@ -709,7 +722,7 @@ public final class MediaPlayerAudioRenderer {
private let audioClock: CMClock
public let audioTimebase: CMTimebase
public init(audioSession: MediaPlayerAudioSessionControl, playAndRecord: Bool, forceAudioToSpeaker: Bool, baseRate: Double, updatedRate: @escaping () -> Void, audioPaused: @escaping () -> Void) {
public init(audioSession: MediaPlayerAudioSessionControl, playAndRecord: Bool, forceAudioToSpeaker: Bool, baseRate: Double, audioLevelPipe: ValuePipe<Float>, updatedRate: @escaping () -> Void, audioPaused: @escaping () -> Void) {
var audioClock: CMClock?
CMAudioClockCreate(allocator: nil, clockOut: &audioClock)
if audioClock == nil {
@@ -722,7 +735,7 @@ public final class MediaPlayerAudioRenderer {
self.audioTimebase = audioTimebase!
audioPlayerRendererQueue.async {
let context = AudioPlayerRendererContext(controlTimebase: audioTimebase!, audioSession: audioSession, playAndRecord: playAndRecord, forceAudioToSpeaker: forceAudioToSpeaker, baseRate: baseRate, updatedRate: updatedRate, audioPaused: audioPaused)
let context = AudioPlayerRendererContext(controlTimebase: audioTimebase!, audioSession: audioSession, playAndRecord: playAndRecord, forceAudioToSpeaker: forceAudioToSpeaker, baseRate: baseRate, audioLevelPipe: audioLevelPipe, updatedRate: updatedRate, audioPaused: audioPaused)
self.contextRef = Unmanaged.passRetained(context)
}
}