mp4box/src/parsing/sdtp.js

JavaScript version of GPAC's MP4Box tool

BoxParser.createFullBoxCtor("sdtp", "SampleDependencyTypeBox", function(stream) {
	var tmp_byte;
	var count = (this.size - this.hdr_size);
	this.is_leading = [];
	this.sample_depends_on = [];
	this.sample_is_depended_on = [];
	this.sample_has_redundancy = [];
	for (var i = 0; i < count; i++) {
		tmp_byte = stream.readUint8();
		this.is_leading[i] = tmp_byte >> 6;
		this.sample_depends_on[i] = (tmp_byte >> 4) & 0x3;
		this.sample_is_depended_on[i] = (tmp_byte >> 2) & 0x3;
		this.sample_has_redundancy[i] = tmp_byte & 0x3;
	}
});