47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
#include <uvgrtp/lib.hh>
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#define PAYLOAD_MAXLEN 4096
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int main(void)
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{
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/* To use the library, one must create a global RTP context object */
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uvgrtp::context ctx;
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/* Each new IP address requires a separate RTP session.
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* This session object contains all media streams and an RTCP object (if enabled) */
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uvgrtp::session *sess = ctx.create_session("127.0.0.1");
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/* Some of the functionality of uvgRTP can be enabled/disabled using RCE_* flags.
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*
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* For example, here the created MediaStream object has RTCP enabled,
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* does not utilize system call clustering to reduce the possibility of packet dropping
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* and prepends a 4-byte HEVC start code (0x00000001) before each NAL unit */
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unsigned flags =
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RCE_RTCP | /* enable RTCP */
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RCE_NO_SYSTEM_CALL_CLUSTERING | /* disable System Call Clustering */
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RCE_H26X_PREPEND_SC; /* prepend start code to each returned HEVC frame */
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uvgrtp::media_stream *hevc = sess->create_stream(8888, 8889, RTP_FORMAT_H265, flags);
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/* uvgRTP context can also be configured using RCC_* flags
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* These flags do not enable/disable functionality but alter default behaviour of uvgRTP
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*
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* For example, here UDP send/recv buffers are increased to 40MB
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* and frame delay is set 150 milliseconds to allow frames to arrive a little late */
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hevc->configure_ctx(RCC_UDP_RCV_BUF_SIZE, 40 * 1000 * 1000);
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hevc->configure_ctx(RCC_UDP_SND_BUF_SIZE, 40 * 1000 * 1000);
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hevc->configure_ctx(RCC_PKT_MAX_DELAY, 150);
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for (;;) {
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auto buffer = std::unique_ptr<uint8_t[]>(new uint8_t[PAYLOAD_MAXLEN]);
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if (hevc->push_frame(std::move(buffer), PAYLOAD_MAXLEN, RTP_NO_FLAGS) != RTP_OK)
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fprintf(stderr, "Failed to send RTP frame!");
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}
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/* Session must be destroyed manually */
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ctx.destroy_session(sess);
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return 0;
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}
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