shithub: mcfs

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fix trun parsing

--- a/iso.c

+++ b/iso.c

@@ -248,7 +248,6 @@

 	int i, n, eof;

 	s32int s32i;

 	u64int u;

-	u32int sz;

 	if(b->type == BoxFtyp){

 		eBread(8, "brand and version");

@@ -370,27 +369,19 @@

 			eBread(4, "first_sample_flags");

 			b->trun.firstsampleflags = bu32(d);

 		}

-		/* FIXME free those after */

 		b->trun.samples = calloc(b->trun.samplecount, sizeof(RunSample));

 		for(u = 0; u < b->trun.samplecount; u++){

-			fprint(2, "sample %zd\n", u);

-			sz = defsamplesize;

 			if(b->flags & 0x100){

 				eBread(4, "sample_duration");

 				b->trun.samples[u].duration = bu32(d);

-				sz -= 4;

 			}

 			if(b->flags & 0x200){

 				eBread(4, "sample_size");

 				b->trun.samples[u].size = bu32(d);

-				sz = b->trun.samples[u].size - 4;

-				if(b->flags & 0x100)

-					sz -= 4;

 			}

 			if(b->flags & 0x400){

 				eBread(4, "sample_flags");

 				b->trun.samples[u].flags = bu32(d);

-				sz -= 4;

 			}

 			if(b->flags & 0x800){

 				eBread(4, "sample_composition_time_offset");

@@ -399,12 +390,6 @@

 					b->trun.samples[u].timeoffset = bu32(d);

 				else

 					b->trun.samples[u].timeoffset = s32i;

-				sz -= 4;

-			}

-			fprint(2, "left %ud\n", sz);

-			if(Bseek(f, sz, 1) < 0){

-				werrstr("seek");

-				goto err;

 			}

 		}

 		printbox(b);