shithub: rtmp

ref: b5c87f9d2711099c002406442c4839acd11f01a6
dir: /main.c/

#include <u.h>
#include <libc.h>
#include <thread.h>
#include <bio.h>
#include "adts.h"
#include "ivf.h"
#include "rtmp.h"
#include "util.h"

int mainstacksize = 65536;
int debug = 0;

static void
usage(void)
{
	fprint(2, "usage: %s [-a AUDIO] URL\n", argv0);
	threadexitsall("usage");
}

void
threadmain(int argc, char **argv)
{
	u64int ms, until;
	Biobuf *a, v;
	ADTSFrame af;
	IVFrame vf;
	ulong sid;
	IVF ivf;
	RTMP *r;

	a = nil;
	ARGBEGIN{
	case 'd':
		debug++;
		break;
	case 'a':
		if((a = Bopen(EARGF(usage()), OREAD)) == nil)
			sysfatal("%r");
		break;
	default:
		usage();
	}ARGEND

	if(argc != 1)
		usage();
	if(Binit(&v, 0, OREAD) != 0 || ivfopen(&v, &ivf) != 0)
		sysfatal("%r");
	if(strcmp(ivf.type, "AVC1") != 0)
		sysfatal("not H.264");

	srand(time(nil));
	if((r = rtmpdial(argv[0])) == nil)
		sysfatal("%r");

	if(rtmpstream(r, &sid) != 0 ||
	   rtmppublish(r, sid, PubLive, nil) != 0 ||
	   rtmpmeta(r, sid, VcodecH264, ivf.w, ivf.h, a != nil ? AcodecAAC : -1) != 0){
		sysfatal("%r");
	}

	memset(&af, 0, sizeof(af));
	memset(&vf, 0, sizeof(vf));
	for(;;){
		if(ivfread(&v, &vf) != 0)
			sysfatal("%r");
		if(vf.sz == 0)
			break;
		ms = ivfns(&ivf, vf.ts)/1000000ULL;
		if(rtmpdata(r, sid, ms, Tvideo, vf.buf, vf.sz) != 0){
			fprint(2, "%r\n");
			break;
		}

		/* FIXME obviously this has to run in a separate frame (same for video, actually) */
		if(a == nil)
			continue;
		until = ms + 250; /* provide audio enough to cover + 250 ms over video */
		do{
			if(adtsread(a, &af) != 0)
				sysfatal("%r");
			if(af.sz == 0)
				break;
			ms = af.ns/1000000ULL;
			if(rtmpdata(r, sid, ms, Taudio, af.buf, af.sz) != 0){
				fprint(2, "%r\n");
				break;
			}
		}while(ms < until);
	}

	if(a != nil)
		Bterm(a);
	rtmpclose(r);

	threadexitsall(nil);
}