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add comments for PES packet length is 0

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winlin 2013-11-23 17:47:01 +08:00
parent 2c4c91d821
commit 235e3cc120
1 changed files with 2191 additions and 2185 deletions
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6
trunk/research/ts_info.cc
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@ -1495,6 +1495,12 @@ int TSPayloadPES::demux(TSContext* ctx, TSPacket* pkt, u_int8_t* start, u_int8_t
msg->PES_packet_length = PES_packet_length; msg->PES_packet_length = PES_packet_length;
msg->packet_header_size = p - pos_packet; msg->packet_header_size = p - pos_packet;
msg->packet_data_size = PES_packet_length - msg->packet_header_size; msg->packet_data_size = PES_packet_length - msg->packet_header_size;
/**
* when actual packet length > 0xffff(65535),
* which exceed the max u_int16_t packet length,
* use 0 packet length, the next unit start indicates the end of packet.
*/
if (PES_packet_length == 0) { if (PES_packet_length == 0) {
msg->packet_data_size = last - p - msg->packet_header_size; msg->packet_data_size = last - p - msg->packet_header_size;
} }