uvgrtp-base/examples/deallocation_3.cc

40 lines
1.3 KiB
C++

#include <uvgrtp/lib.hh>
#define PAYLOAD_MAXLEN 100
int main(void)
{
/* See sending.cc for more details */
uvg_rtp::context ctx;
/* See sending.cc for more details */
uvg_rtp::session *sess = ctx.create_session("127.0.0.1");
/* Pass "RCE_SYSTEM_CALL_DISPATCHER" to flags to indicate that we want to spawn for SCD for this media stream.
* SCD requires that we provide some deallocation mechanism
*
* This example is about the deallocation hook approach
*
* See sending.cc for more details about media stream initialization */
uvg_rtp::media_stream *hevc = sess->create_stream(8888, 8889, RTP_FORMAT_HEVC, RCE_SYSTEM_CALL_DISPATCHER);
/* When SCD has processed this memory chunk, it will call dealloc_hook()
* which will do all the necessary deallocation steps required by the application
*
* Application is not allowed to deallocate the memory chunk without uvgRTP's explicit permission */
hevc->install_deallocation_hook(dealloc_hook);
uint8_t *buffer = new uint8_t[PAYLOAD_MAXLEN];
for (int i = 0; i < 10; ++i) {
if (hevc->push_frame(buffer, PAYLOAD_MAXLEN, RTP_NO_FLAGS) != RTP_OK) {
fprintf(stderr, "Failed to send RTP frame!");
}
}
/* Session must be destroyed manually */
ctx.destroy_session(sess);
return 0;
}