async function main() { const H264bsd = require('./h264bsd_wasm'); const module = await H264bsd(); const H264bsdDecoder = require('./h264bsd_decoder'); // Load input data const util = require('util'); const fs = require('fs'); const readFile = util.promisify(fs.readFile); const data = await readFile('../test/test_1920x1080.h264'); // Create a decoder instance var decoder = new H264bsdDecoder(module); decoder.onPictureReady = onPictureReady; decoder.onHeadersReady = onHeadersReady; decoder.queueInput(data); var pictureCount = 0; function onPictureReady() { ++pictureCount; } function onHeadersReady() { var width = decoder.outputPictureWidth(); var height = decoder.outputPictureHeight(); var croppingParams = decoder.croppingParams(); console.log("Headers parsed", { 'width' : width, 'height' : height, 'croppingParams' : croppingParams, }); } var result = H264bsdDecoder.RDY; var start = process.hrtime(); while(result != H264bsdDecoder.NO_INPUT) { result = decoder.decode(); switch(result) { case H264bsdDecoder.ERROR: throw new Error('Decoder Error'); case H264bsdDecoder.PARAM_SET_ERROR: throw new Error('Parameter Set Error'); case H264bsdDecoder.MEMALLOC_ERROR: throw new Error('MemAlloc Error'); } } var end = process.hrtime(); var totalSeconds = (end[0] + end[1] / 1e9) - (start[0] + start[1] / 1e9); var fps = pictureCount / totalSeconds console.log("Decoded %d frames in %s seconds (%s fps)", pictureCount, totalSeconds.toFixed(2), fps.toFixed(2)); } main();