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https://github.com/hajimehoshi/ebiten.git
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7 lines
2.8 KiB
Go
7 lines
2.8 KiB
Go
// Code generated by file2byteslice. DO NOT EDIT.
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// (gofmt is fine after generating)
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package stb
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var decode_js = []byte("// Copyright 2018 The Ebiten Authors\n//\n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n//\n// http://www.apache.org/licenses/LICENSE-2.0\n//\n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\n\nvar _ebiten = {};\n\n(() => {\n var decodeMemory = null;\n var vorbisDecoderInitialized = null;\n\n _ebiten.initializeVorbisDecoder = (callback) => {\n Module.run();\n vorbisDecoderInitialized = callback;\n };\n\n Module.onRuntimeInitialized = () => {\n decodeMemory = Module.cwrap('stb_vorbis_decode_memory_float', 'number', ['number', 'number', 'number', 'number', 'number']);\n if (vorbisDecoderInitialized) {\n vorbisDecoderInitialized();\n }\n }\n\n function arrayToHeap(typedArray){\n const ptr = Module._malloc(typedArray.byteLength);\n const heapBytes = new Uint8Array(Module.HEAPU8.buffer, ptr, typedArray.byteLength);\n heapBytes.set(new Uint8Array(typedArray.buffer, typedArray.byteOffset, typedArray.byteLength));\n return heapBytes;\n }\n\n function ptrToInt32(ptr) {\n const a = new Int32Array(Module.HEAPU8.buffer, ptr, 1);\n return a[0];\n }\n\n function ptrToFloat32(ptr) {\n const a = new Float32Array(Module.HEAPU8.buffer, ptr, 1);\n return a[0];\n }\n\n function ptrToFloat32s(ptr, length) {\n const buf = new ArrayBuffer(length * Float32Array.BYTES_PER_ELEMENT);\n const copied = new Float32Array(buf);\n copied.set(new Float32Array(Module.HEAPU8.buffer, ptr, length));\n return copied;\n }\n\n _ebiten.decodeVorbis = (buf) => {\n const copiedBuf = arrayToHeap(buf);\n const channelsPtr = Module._malloc(4);\n const sampleRatePtr = Module._malloc(4);\n const outputPtr = Module._malloc(4);\n const length = decodeMemory(copiedBuf.byteOffset, copiedBuf.length, channelsPtr, sampleRatePtr, outputPtr);\n if (length < 0) {\n return null;\n }\n const channels = ptrToInt32(channelsPtr);\n const result = {\n data: ptrToFloat32s(ptrToInt32(outputPtr), length * channels),\n channels: channels,\n sampleRate: ptrToInt32(sampleRatePtr),\n };\n\n Module._free(copiedBuf.byteOffset);\n Module._free(channelsPtr);\n Module._free(sampleRatePtr);\n Module._free(ptrToInt32(outputPtr));\n Module._free(outputPtr);\n return result;\n };\n})();\n")
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