shithub: h264bsd

ref: 655ad776b30599f052f6c686ec30fb117cb18473
dir: /js/test_node.js/

const H264bsdAsm = require('./h264bsd_asm');
const H264bsdDecoder = require('./h264bsd_decoder');
const fs = require('fs');

fs.readFile('../test/test_1920x1080.h264', (err, data) => {
    if (err) throw err;

    var decoder = new H264bsdDecoder(H264bsdAsm);
    decoder.onPictureReady = onPictureReady;
    decoder.onHeadersReady = onHeadersReady;
    decoder.queueInput(data);
    
    var pictureCount = 0;

    function onPictureReady() {
        var output = decoder.nextOutputPicture();
    
        ++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));
});