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TAV: pcm8 audio

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minjaesong
2025-10-22 10:05:54 +09:00
parent 758b134abd
commit 4265891093
15 changed files with 298 additions and 47 deletions
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2
assets/disk0/tvdos/HSDPADRV.SYS
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@@ -1,7 +1,7 @@
///////////////////////////////////////////////////////////////////////////////
// High Speed Disk Peripheral Adapter (HSDPA) Driver for TVDOS
// This driver treats each disk from HSDPA as a single large file
// Created by Claude on 2025-08-16
// Created by CuriousTorvald and Claude on 2025-08-16
///////////////////////////////////////////////////////////////////////////////
// Add TAPE device names to reserved names

12
assets/disk0/tvdos/bin/playtav.js
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@@ -1,4 +1,4 @@
// Created by Claude on 2025-09-13.
// Created by CuriousTorvald and Claude on 2025-09-13.
// TSVM Advanced Video (TAV) Format Decoder - DWT-based compression
// Adapted from the working playtev.js decoder
// Usage: playtav moviefile.tav [options]
@@ -1279,10 +1279,18 @@ try {
let zstdLen = seqread.readInt()
let zstdPtr = sys.malloc(zstdLen)
seqread.readBytes(zstdLen, zstdPtr)
let pcmLen = gzip.decompFromTo(zstdPtr, zstdLen, SND_BASE_ADDR - 65536)
// serial.println(`PCM8 audio (${zstdLen} -> ????)`)
let pcmPtr = sys.malloc(65536) //SND_BASE_ADDR - 65536
let pcmLen = gzip.decompFromTo(zstdPtr, zstdLen, pcmPtr) // <- segfaults!
if (pcmLen > 65536) throw Error(`PCM data too long -- got ${pcmLen} bytes`)
audio.putPcmDataByPtr(pcmPtr, pcmLen, 0)
audio.setSampleUploadLength(0, pcmLen)
audio.startSampleUpload(0)
sys.free(zstdPtr)
sys.free(pcmPtr)
}
else if (packetType === TAV_PACKET_SUBTITLE) {
// Subtitle packet - same format as TEV

2
assets/disk0/tvdos/bin/playtev.js
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@@ -1,4 +1,4 @@
// Created by Claude on 2025-08-18.
// Created by CuriousTorvald and Claude on 2025-08-18.
// TSVM Enhanced Video (TEV) Format Decoder - YCoCg-R 4:2:0 Version
// Usage: playtev moviefile.tev [options]
// Options: -i (interactive), -debug-mv (show motion vector debug visualization)

2
assets/disk0/tvdos/bin/playucf.js
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@@ -1,5 +1,5 @@
// TSVM Universal Cue Format (UCF) Player
// Created by Claude on 2025-09-22
// Created by CuriousTorvald and Claude on 2025-09-22
// Usage: playucf cuefile.ucf [options]
// Options: -i (interactive mode)