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For #307, padding to next packet or GSO size

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winlin 2020-04-15 17:48:52 +08:00
parent bbdd2d7eed
commit c95a8517e7
1 changed files with 17 additions and 7 deletions
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22
trunk/src/app/srs_app_rtc_conn.cpp
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@ -882,16 +882,26 @@ srs_error_t SrsRtcSenderThread::send_packets_gso(SrsUdpMuxSocket* skt, SrsRtcPac
nn_next_packet = next_packet? next_packet->nb_bytes() : 0;
}
// Padding the first packet if size is similar to the next one.
if (i == 0 && max_padding > 0 && next_packet && nn_packet < nn_next_packet && nn_next_packet - nn_packet < max_padding) {
// Padding the packet to next or GSO size.
if (max_padding > 0 && next_packet) {
// Padding to the next packet to merge with it.
int padding = nn_next_packet - nn_packet;
// If the next one could merge to this GSO stage, padding current to GSO size.
if (use_gso && nn_next_packet < gso_size) {
padding = gso_size - nn_packet;
}
if (padding > 0 && padding < max_padding) {
#if defined(SRS_DEBUG)
srs_trace("Padding %d bytes %d=>%d, packets %d, max_padding %d", nn_next_packet - nn_packet,
nn_packet, nn_next_packet, nn_packets, max_padding);
srs_trace("Padding %d bytes %d=>%d, packets %d, max_padding %d", padding, nn_packet + padding,
nn_next_packet, nn_packets, max_padding);
#endif
packet->set_padding(nn_next_packet - nn_packet);
nn_packet = nn_next_packet;
packet->set_padding(padding);
nn_packet += padding;
packets.nn_paddings++;
}
}
// Check whether we can use GSO to send it.
mmsghdr* mhdr = NULL;