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RTC: Refine RTP packet buffer allocate, align to about 1500 bytes

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This commit is contained in:
winlin 2021-02-26 13:11:56 +08:00
parent b2d546156e
commit bde86a2b23
1 changed files with 10 additions and 2 deletions
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12
trunk/src/kernel/srs_kernel_rtc_rtp.cpp
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@ -784,11 +784,19 @@ SrsRtpPacket2::~SrsRtpPacket2()
char* SrsRtpPacket2::wrap(int size)
{
// If the buffer is large enough, reuse it.
if (shared_msg && shared_msg->size >= size) {
return shared_msg->payload;
}
// Create buffer if empty or not large enough.
srs_freep(shared_msg);
shared_msg = new SrsSharedPtrMessage();
char* buf = new char[size];
shared_msg->wrap(buf, size);
// For RTC, we use larger under-layer buffer for each packet.
int nb_buffer = srs_max(size, kRtpPacketSize);
char* buf = new char[nb_buffer];
shared_msg->wrap(buf, nb_buffer);
srs_freep(cache_buffer_);
cache_buffer_ = new SrsBuffer(buf, size);