--- play-ac3.c.orig	Tue Sep 11 01:55:29 2001
+++ play-ac3.c	Tue Sep 11 04:12:08 2001
@@ -31,6 +31,7 @@
 #endif
 
 #define FRAMES 4
+#define CHUNK_SIZE 512 /* FRAMES * frame_size % CHUNK_SIZE == 0 */
 
 void usage()
 { 
@@ -41,11 +42,14 @@
 
 int check_ac3_stream(int in, int *frame_size)
 {
-	int i, skipped;
-	unsigned char buffer[4096];
+	int i = 0, j, skipped;
+	unsigned char buffer[3072];
 	struct ac3info ai;
 
-	i = read(in, buffer, sizeof(buffer));
+	while (i <= (sizeof(buffer) - CHUNK_SIZE)) {
+		j = read(in, buffer + i, CHUNK_SIZE);
+		i += j;
+	}
 	if (i != sizeof(buffer)) {
 		fprintf(stderr, "Error reading AC3 stream.\n");
 		return -1;
@@ -65,8 +69,7 @@
 		i = read(in, buffer, ai.framesize-(sizeof(buffer)%ai.framesize)+skipped);
 	}
 	if (i < 0) {
-		fprintf(stderr, "Error seeking in AC3 stream.\n");
-		return -1;
+		fprintf(stderr, "Error seeking in AC3 stream. Ignoring.\n");
 	}
 	*frame_size = ai.framesize;
 	
@@ -76,7 +79,7 @@
 int main(int argc, char *argv[])
 {
 	int	fd, in;
-	int	tmp, i, c = 1, bytes_read, data_type = 1, frame_size;
+	int	tmp, i, c = 1, bytes_read, extra_bytes, data_type = 1, frame_size;
 	unsigned char *ac3buf, *iecbuf;
 	
 	if (argc < 2)
@@ -105,6 +108,7 @@
 			exit(1);
 		break;
 	}
+	fprintf(stderr, "frame size = %i", frame_size);
 	fd = open("/dev/dsp", O_WRONLY);
 	if (fd < 0) {
 		fprintf(stderr, "Error opening DSP.\n");
@@ -117,7 +121,12 @@
 	}
 	ac3buf = malloc(FRAMES * frame_size);
 	iecbuf = malloc(FRAMES * 6144);
-	bytes_read = read(in, ac3buf, FRAMES * frame_size);
+
+	bytes_read = read(in, ac3buf, CHUNK_SIZE);
+	while (bytes_read != FRAMES * frame_size) {
+		extra_bytes = read(in, ac3buf + bytes_read, CHUNK_SIZE);
+		bytes_read += extra_bytes;
+	}
 	while (bytes_read == FRAMES * frame_size) {
 		for (i = 0; i < FRAMES; i++) {
 			ac3_iec958_build_burst(frame_size, data_type, 1, 
@@ -125,7 +134,11 @@
 					iecbuf + i * 6144);
 		}
 		write(fd, iecbuf, FRAMES * 6144);
-		bytes_read = read(in, ac3buf, FRAMES * frame_size);
+		bytes_read = read(in, ac3buf, CHUNK_SIZE);
+		while (bytes_read != FRAMES * frame_size) {
+			extra_bytes = read(in, ac3buf + bytes_read, CHUNK_SIZE);
+			bytes_read += extra_bytes;
+		}
 	}
 	return 0;
 }