/*
?*?JAVE?-?A?Java?Audio/Video?Encoder?（based?on?FFMPEG）
?*?
?*?Copyright?（C）?2008-2009?Carlo?Pelliccia?（www.sauronsoftware.it）
?*?
?*?This?program?is?free?software:?you?can?redistribute?it?and/or?modify
?*?it?under?the?terms?of?the?GNU?General?Public?License?as?published?by
?*?the?Free?Software?Foundation?either?version?3?of?the?License?or
?*?（at?your?option）?any?later?version.
?*
?*?This?program?is?distributed?in?the?hope?that?it?will?be?useful
?*?but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
?*?GNU?General?Public?License?for?more?details.
?*
?*?You?should?have?received?a?copy?of?the?GNU?General?Public?License
?*?along?with?this?program.??If?not?see?.
?*/
package?it.sauronsoftware.jave;

import?java.io.File;
import?java.io.IOException;
import?java.io.InputStreamReader;
import?java.util.ArrayList;
import?java.util.Hashtable;
import?java.util.StringTokenizer;
import?java.util.regex.Matcher;
import?java.util.regex.Pattern;

/**
?*?Main?class?of?the?package.?Instances?can?encode?audio?and?video?streams.
?*?
?*?@author?Carlo?Pelliccia
?*/
public?class?Encoder?{

	/**
	?*?This?regexp?is?used?to?parse?the?ffmpeg?output?about?the?supported
	?*?formats.
	?*/
	private?static?final?Pattern?FORMAT_PATTERN?=?Pattern
			.compile（“^\\s*（[D?]）（[E?]）\\s+（[\\w]+）\\s+.+$“）;

	/**
	?*?This?regexp?is?used?to?parse?the?ffmpeg?output?about?the?included
	?*?encoders/decoders.
	?*/
	private?static?final?Pattern?ENCODER_DECODER_PATTERN?=?Pattern.compile（
			“^\\s*（[D?]）（[E?]）（[AVS]）.{3}\\s+（.+）$“?Pattern.CASE_INSENSITIVE）;

	/**
	?*?This?regexp?is?used?to?parse?the?ffmpeg?output?about?the?ongoing?encoding
	?*?process.
	?*/
	private?static?final?Pattern?PROGRESS_INFO_PATTERN?=?Pattern.compile（
			“\\s*（\\w+）\\s*=\\s*（\\S+）\\s*“?Pattern.CASE_INSENSITIVE）;

	/**
	?*?This?regexp?is?used?to?parse?the?ffmpeg?output?about?the?size?of?a?video
	?*?stream.
	?*/
	private?static?final?Pattern?SIZE_PATTERN?=?Pattern.compile（
			“（\\d+）x（\\d+）“?Pattern.CASE_INSENSITIVE）;

	/**
	?*?This?regexp?is?used?to?parse?the?ffmpeg?output?about?the?frame?rate?value
	?*?of?a?video?stream.
	?*/
	private?static?final?Pattern?frame_RATE_PATTERN?=?Pattern.compile（
			“（[\\d.]+）\\s+（?:fps|tb\\（r\\））“?Pattern.CASE_INSENSITIVE）;

	/**
	?*?This?regexp?is?used?to?parse?the?ffmpeg?output?about?the?bit?rate?value
	?*?of?a?stream.
	?*/
	private?static?final?Pattern?BIT_RATE_PATTERN?=?Pattern.compile（
			“（\\d+）\\s+kb/s“?Pattern.CASE_INSENSITIVE）;

	/**
	?*?This?regexp?is?used?to?parse?the?ffmpeg?output?about?the?sampling?rate?of
	?*?an?audio?stream.
	?*/
	private?static?final?Pattern?SAMPLING_RATE_PATTERN?=?Pattern.compile（
			“（\\d+）\\s+Hz“?Pattern.CASE_INSENSITIVE）;

	/**
	?*?This?regexp?is?used?to?parse?the?ffmpeg?output?about?the?channels?number
	?*?of?an?audio?stream.
	?*/
	private?static?final