/* in ms */
#define BUFFER_DURATION 0
+/* the header needs at most 7 + 4 + 12 B */
+#define MAX_HEADER_SIZE (7 + 4 + 12)
+/* UINT16_MAX is the maximal chunk size */
+#define MAX_PACKET_SIZE (UINT16_MAX - MAX_HEADER_SIZE)
static void put_str(AVIOContext *s, const char *tag)
/* Well, I spent some time finding the meaning of these bits. I am
not sure I understood everything, but it works !! */
#if 1
- /* 0xFFFF is the maximal chunk size; header needs at most 7 + 4 + 12 B */
- if (size > 0xFFFF - 7 - 4 - 12) {
- av_log(s, AV_LOG_ERROR, "large packet size %d not supported\n", size);
+ if (size > MAX_PACKET_SIZE) {
+ av_log(s, AV_LOG_ERROR, "Muxing packets larger than 64 kB (%d) is not supported\n", size);
return AVERROR_PATCHWELCOME;
}
write_packet_header(s, stream, size + 7 + (size >= 0x4000)*4, key_frame);