movie can now have audio; adjustable pcm queue size

This commit is contained in:
minjaesong
2023-01-03 17:37:52 +09:00
parent 4f62873ea9
commit f27caded9b
5 changed files with 139 additions and 36 deletions

View File

@@ -6,6 +6,7 @@ let FPS = 24
let WIDTH = 560
let HEIGHT = 448
let PATHFUN = (i) => `/welkom/${(''+i).padStart(4,'0')}.png` // how can be the image file found, if a frame number (starts from 1) were given
let AUDIOTRACK = 'welkom/welkom.pcm'
// to export video to its frames:
// ffmpeg -i file.mp4 file/%05d.bmp
// the input frames must be resized (and cropped) beforehand, using ImageMagick is recommended, like so:
@@ -38,10 +39,10 @@ function appendToOutfilePtr(ptr, len) {
outfile.pappend(ptr, len)
}
let packetType = [
const packetType = [
4, (IPFMODE - 1)
]
let syncPacket = [255, 255]
const syncPacket = [255, 255]
// write header to the file
let headerBytes = [
@@ -57,41 +58,87 @@ let headerBytes = [
let ipfFun = (IPFMODE == 1) ? graphics.encodeIpf1 : (IPFMODE == 2) ? graphics.encodeIpf2 : 0
if (!ipfFun) throw Error("Unknown IPF mode "+IPFMODE)
const AUDIO_SAMPLE_SIZE = 2 * ((30000 / FPS) + 1)|0 // times 2 because stereo
let audioBytesRead = 0
const audioFile = (AUDIOTRACK) ? files.open(_G.shell.resolvePathInput(AUDIOTRACK).full) : undefined
let audioRemaining = (audioFile) ? audioFile.size : 0
const audioPacket = [1, 16]
outfile.bwrite(headerBytes)
for (let f = 1; f <= TOTAL_FRAMES; f++) {
for (let f = 1; ; f++) {
// insert sync packet
if (f > 1) appendToOutfile(syncPacket)
let fname = PATHFUN(f)
let framefile = files.open(_G.shell.resolvePathInput(fname).full)
let fileLen = framefile.size
framefile.pread(infile, fileLen)
// insert video frame
if (f <= TOTAL_FRAMES) {
let fname = PATHFUN(f)
let framefile = files.open(_G.shell.resolvePathInput(fname).full)
let fileLen = framefile.size
framefile.pread(infile, fileLen)
let [_1, _2, channels, _3] = graphics.decodeImageTo(infile, fileLen, imagearea)
let [_1, _2, channels, _3] = graphics.decodeImageTo(infile, fileLen, imagearea)
print(`Frame ${f}/${TOTAL_FRAMES} (Ch: ${channels}) ->`)
print(`Frame ${f}/${TOTAL_FRAMES} (Ch: ${channels}) ->`)
// graphics.imageToDisplayableFormat(imagearea, decodearea, 560, 448, 3, 1)
ipfFun(imagearea, ipfarea, WIDTH, HEIGHT, channels, false, f)
// graphics.imageToDisplayableFormat(imagearea, decodearea, 560, 448, 3, 1)
ipfFun(imagearea, ipfarea, WIDTH, HEIGHT, channels, false, f)
let gzlen = gzip.compFromTo(ipfarea, FBUF_SIZE, gzippedImage)
let gzlen = gzip.compFromTo(ipfarea, FBUF_SIZE, gzippedImage)
let frameSize = [
(gzlen >>> 0) & 255,
(gzlen >>> 8) & 255,
(gzlen >>> 16) & 255,
(gzlen >>> 24) & 255
]
let frameSize = [
(gzlen >>> 0) & 255,
(gzlen >>> 8) & 255,
(gzlen >>> 16) & 255,
(gzlen >>> 24) & 255
]
appendToOutfile(packetType)
appendToOutfile(frameSize)
appendToOutfilePtr(gzippedImage, gzlen)
appendToOutfile(packetType)
appendToOutfile(frameSize)
appendToOutfilePtr(gzippedImage, gzlen)
print(` ${gzlen} bytes\n`)
print(` ${gzlen} bytes\n`)
}
// insert audio track, if any
if (audioRemaining > 0) {
// first frame gets two audio packets
for (let repeat = 0; repeat < ((f == 1) ? 2 : 1); repeat++) {
// print(`Frame ${f}/${TOTAL_FRAMES} (ADPCM) ->`)
print(`Frame ${f}/${TOTAL_FRAMES} (PCMu8) ->`)
const actualBytesToRead = Math.min(
(f % 2 == 1) ? AUDIO_SAMPLE_SIZE : AUDIO_SAMPLE_SIZE + 2,
audioRemaining
)
audioFile.pread(infile, actualBytesToRead, audioBytesRead)
let pcmSize = [
(actualBytesToRead >>> 0) & 255,
(actualBytesToRead >>> 8) & 255,
(actualBytesToRead >>> 16) & 255,
(actualBytesToRead >>> 24) & 255
]
appendToOutfile(audioPacket)
appendToOutfile(pcmSize)
appendToOutfilePtr(infile, actualBytesToRead)
print(` ${actualBytesToRead} bytes\n`)
audioBytesRead += actualBytesToRead
audioRemaining -= actualBytesToRead
}
}
// if there is no video and audio remaining, exit the loop
if (f > TOTAL_FRAMES && audioRemaining <= 0) break
}
sys.free(infile)

View File

@@ -159,8 +159,13 @@ let startTime = sys.nanoTime()
let framesRead = 0
audio.resetParams(0)
audio.purgeQueue(0)
audio.setPcmMode(0)
audio.setMasterVolume(0, 255)
renderLoop:
while (framesRendered < frameCount && readCount < FILE_LENGTH) {
while (readCount < FILE_LENGTH) {
let t1 = sys.nanoTime()
if (akku >= frameTime) {
@@ -209,10 +214,23 @@ while (framesRendered < frameCount && readCount < FILE_LENGTH) {
}
// audio packets
else if (4096 <= packetType && packetType <= 6133) {
TODO(`Audio Packet with type ${packetType} at offset ${readCount - 2}`)
if (4097 == packetType) {
let readLength = readInt()
let samples = readBytes(readLength)
audio.putPcmDataByPtr(samples, readLength, 0)
audio.setSampleUploadLength(0, readLength)
audio.startSampleUpload(0)
audio.play(0)
sys.free(samples)
}
else {
throw Error(`Audio Packet with type ${packetType} at offset ${readCount - 2}`)
}
}
else {
TODO(`Unknown Packet with type ${packetType} at offset ${readCount - 2}`)
println(`Unknown Packet with type ${packetType} at offset ${readCount - 2}`)
}
}
}
@@ -229,6 +247,7 @@ while (framesRendered < frameCount && readCount < FILE_LENGTH) {
let endTime = sys.nanoTime()
sys.free(ipfbuf)
audio.stop(0)
let timeTook = (endTime - startTime) / 1000000000.0

View File

@@ -588,7 +588,7 @@ Length Param
Play Head Flags
Byte 1
- 0b mrqp 0000
- 0b mrqp ssss
m: mode (0 for Tracker, 1 for PCM)
r: reset parameters; always 0 when read
resetting will:
@@ -598,6 +598,24 @@ Play Head Flags
q: purge queues (likely do nothing if not PCM); always 0 when read
p: play (0 if not -- mute all output)
ssss: PCM Mode set PCM Queue Size
0 - 4 samples
1 - 6 samples
2 - 8 samples
3 - 12 samples
4 - 16 samples
5 - 24 samples
6 - 32 samples
7 - 48 samples
8 - 64 samples
9 - 96 samples
10 - 128 samples
11 - 192 samples
12 - 256 samples
13 - 384 samples
14 - 512 samples
15 - 768 samples
NOTE: changing from PCM mode to Tracker mode or vice versa will also reset the parameters as described above
Byte 2
- PCM Mode: Write non-zero value to start uploading; always 0 when read

View File

@@ -8,7 +8,7 @@ import net.torvald.tsvm.peripheral.AudioAdapter
class AudioJSR223Delegate(private val vm: VM) {
private fun getFirstSnd(): AudioAdapter? = vm.findPeribyType(VM.PERITYPE_SOUND)?.peripheral as? AudioAdapter
private fun getPlayhead(playhead: Int) = getFirstSnd()?.playheads?.get(playhead)!!
private fun getPlayhead(playhead: Int) = getFirstSnd()?.playheads?.get(playhead)
fun setPcmMode(playhead: Int) { getPlayhead(playhead)?.isPcmMode = true }
fun isPcmMode(playhead: Int) = getPlayhead(playhead)?.isPcmMode == true
@@ -56,6 +56,10 @@ class AudioJSR223Delegate(private val vm: VM) {
}
fun getPcmData(index: Int) = getFirstSnd()?.pcmBin?.get(index.toLong())
fun setPcmQueueSizeIndex(playhead: Int, index: Int) { getPlayhead(playhead)?.pcmQueueSizeIndex = index }
fun getPcmQueueSizeIndex(playhead: Int, index: Int) { getPlayhead(playhead)?.pcmQueueSizeIndex }
fun getPcmQueueSize(playhead: Int, index: Int) { getPlayhead(playhead)?.getPcmQueueSize() }
fun resetParams(playhead: Int) {
getPlayhead(playhead)?.resetParams()
}

View File

@@ -12,6 +12,9 @@ import net.torvald.tsvm.VM
private fun Boolean.toInt() = if (this) 1 else 0
private class RenderRunnable(val playhead: AudioAdapter.Playhead) : Runnable {
private fun printdbg(msg: Any) {
if (AudioAdapter.DBGPRN) println("[AudioAdapter] $msg")
}
@Volatile private var exit = false
override fun run() {
while (!Thread.interrupted()) {
@@ -21,7 +24,7 @@ private class RenderRunnable(val playhead: AudioAdapter.Playhead) : Runnable {
if (playhead.isPlaying && writeQueue.notEmpty()) {
// printdbg("Taking samples from queue (queue size: ${writeQueue.size})")
printdbg("Taking samples from queue (queue size: ${writeQueue.size})")
val samples = writeQueue.removeFirst()
playhead.position = writeQueue.size
@@ -51,13 +54,16 @@ private class RenderRunnable(val playhead: AudioAdapter.Playhead) : Runnable {
}
private class WriteQueueingRunnable(val playhead: AudioAdapter.Playhead, val pcmBin: UnsafePtr) : Runnable {
private fun printdbg(msg: Any) {
if (AudioAdapter.DBGPRN) println("[AudioAdapter] $msg")
}
@Volatile private var exit = false
override fun run() {
while (!Thread.interrupted()) {
playhead.let {
if (it.pcmQueue.size < 4 && it.pcmUpload && it.pcmUploadLength > 0) {
// printdbg("Downloading samples ${it.pcmUploadLength}")
if (it.pcmQueue.size < it.getPcmQueueSize() && it.pcmUpload && it.pcmUploadLength > 0) {
printdbg("Downloading samples ${it.pcmUploadLength}")
val samples = ByteArray(it.pcmUploadLength)
UnsafeHelper.memcpyRaw(null, pcmBin.ptr, samples, UnsafeHelper.getArrayOffset(samples), it.pcmUploadLength.toLong())
@@ -83,12 +89,12 @@ private class WriteQueueingRunnable(val playhead: AudioAdapter.Playhead, val pcm
*/
class AudioAdapter(val vm: VM) : PeriBase {
private val DBGPRN = true
private fun printdbg(msg: Any) {
if (DBGPRN) println("[AudioAdapter] $msg")
}
companion object {
internal val DBGPRN = true
const val SAMPLING_RATE = 30000
}
@@ -299,7 +305,8 @@ class AudioAdapter(val vm: VM) : PeriBase {
var pcmUpload: Boolean = false,
var pcmQueue: Queue<ByteArray> = Queue<ByteArray>(),
val audioDevice: OpenALBufferedAudioDevice
var pcmQueueSizeIndex: Int = 0,
val audioDevice: OpenALBufferedAudioDevice,
) {
fun read(index: Int): Byte = when (index) {
0 -> position.toByte()
@@ -308,7 +315,7 @@ class AudioAdapter(val vm: VM) : PeriBase {
3 -> pcmUploadLength.ushr(8).toByte()
4 -> masterVolume.toByte()
5 -> masterPan.toByte()
6 -> (isPcmMode.toInt().shl(7) or isPlaying.toInt().shl(4)).toByte()
6 -> (isPcmMode.toInt().shl(7) or isPlaying.toInt().shl(4) or pcmQueueSizeIndex.and(15)).toByte()
7 -> 0
8 -> (bpm - 24).toByte()
9 -> tickRate.toByte()
@@ -331,7 +338,8 @@ class AudioAdapter(val vm: VM) : PeriBase {
val oldPcmMode = isPcmMode
isPcmMode = (it and 0b10000000) != 0
isPlaying = (it and 0b00010000) != 0
pcmQueueSizeIndex = (it and 0b00001111)
if (it and 0b01000000 != 0 || oldPcmMode != isPcmMode) resetParams()
if (it and 0b00100000 != 0) purgeQueue()
} }
@@ -353,6 +361,7 @@ class AudioAdapter(val vm: VM) : PeriBase {
position = 0
pcmUploadLength = 0
isPlaying = false
pcmQueueSizeIndex = 0
}
fun purgeQueue() {
@@ -362,10 +371,16 @@ class AudioAdapter(val vm: VM) : PeriBase {
pcmUploadLength = 0
}
}
fun getPcmQueueSize() = QUEUE_SIZE[pcmQueueSizeIndex]
fun dispose() {
audioDevice.dispose()
}
companion object {
val QUEUE_SIZE = intArrayOf(4,6,8,12,16,24,32,48,64,96,128,256,384,512,768)
}
}
internal data class TaudPlayData(