#include <u.h>#include <libc.h>#include <bio.h>#include <draw.h>#include <memdraw.h>#include <thread.h>#include <keyboard.h> #include "imagefile.h" #include "riff.h"#include "avi.h"#include "fns.h"#include "player.h" int mainstacksize = 128*1024;int debug = 0; voidcopyout(Biobuf *bio, long off, long len, int out){	char *buf; 	Bseek(bio, off, 0); 	buf = mallocz(len, 1);	if(buf == nil)		sysfatal("mallocz: %r"); 	if(Bread(bio, buf, len) != len)		sysfatal("readn: %r"); 	if(write(out, buf, len) != len)		sysfatal("write: %r"); 	free(buf);} /*static voidplayavi(Biobuf *bio){	vlong start, dt;	AVIIndex *idxp; 	for(curindex = 0; curindex < indexlen; curindex++){		idxp = &index[curindex]; 		start = nsec();		//pindent(),print("index %.4s flags %08ub offset %ud length %ud\n", idxp->id, idxp->flags, idxp->offset, idxp->length); 		// offset is relative to 'movi' start, +4 to skip size		if(memcmp(idxp->id, "00dc", 4) == 0){			//putjpg(movioff+idxp->offset+4);			//copyout(bio, movioff+idxp->offset+4, idxp->length, video);		} 		//if(memcmp(idxp->id, "01wb", 4) == 0)			//copyout(bio, movioff+idxp->offset+4, idxp->length, audio); 		dt = (nsec() - start)/1000000;		fprint(2, "dt=%lldms\n", dt);		doevent();	}}*/ static voidusage(void){	fprint(2, "usage: %s [-D] file.avi\n", argv0);	threadexitsall("usage");} voidthreadmain(int argc, char *argv[]){	AVI *avi;	AVIPlayer *player; 	ARGBEGIN{	case 'D':		debug++;		break;	default:		usage();	}ARGEND 	if(argc != 1)		usage(); 	memimageinit(); 	avi = aviopen(argv[0]);	if(avi == nil)		sysfatal("aviopen: %r"); 	if(debug)		avidump(avi); 	/* we only support a MJPG stream and 16 bit stereo PCM @ 44100hz. */	if(memcmp(avi->stream[0].handler, "MJPG", 4) != 0)		sysfatal("expected MJPG video, got '%.4s'", avi->stream[0].handler);	if(memcmp(avi->stream[1].handler, "\x1\0\0\0", 4) != 0)		sysfatal("expected 16-bit 2 channel PCM audio stream @ 44100hz, got '%.4s'", avi->stream[1].handler); 	if(avi->waveformat.channels != 2 ||		avi->waveformat.bitspersample != 16 ||		avi->waveformat.samplespersec != 44100)		sysfatal("can't handle audio format, expected 16-bit 2 channel PCM audo @ 44100hz\n");  /*	decin = chancreate(sizeof(Decreq*), 1);	decout = chancreate(sizeof(Decreq*), 1); 	if((decoder = decproc(fd, decin, decout)) == nil)		sysfatal("decproc: %r");*/ 	player = playerinit(avi);	if(player == nil)		sysfatal("playerinit: %r"); 	playerrun(player); 	threadexitsall(nil);} /*voideresized(int new){	if(new && getwindow(display, Refnone) < 0)		sysfatal("getwindow: %r");}*/