DefaultSink::DefaultSink(UsageEnvironment & env,
MediaSubsession & subsession,
char const * sink_url,
char const * stream_id)
: MediaSink(env),
_subsession(subsession),
_receive_buffer(RECEIVE_BUFFER_SIZE),
_stream_id(stream_id),
_writer(libc2rtsp::sink::SinkFactory().gen(sink_url)),
_verbose(true),
_sprop_parameter_sets(),
_have_written_first_frame(false)
{
if (::strcmp(subsession.codecName(), "H264") == 0) {
// For H.264 video stream, we use a special sink that adds 'start codes',
// and (at the start) the SPS and PPS NAL units:
_sprop_parameter_sets.emplace_back(std::string(subsession.fmtp_spropparametersets()));
} else if (::strcmp(subsession.codecName(), "H265") == 0) {
// For H.265 video stream, we use a special sink that adds 'start codes',
// and (at the start) the VPS, SPS, and PPS NAL units:
_sprop_parameter_sets.emplace_back(std::string(subsession.fmtp_spropvps())); // VPS
_sprop_parameter_sets.emplace_back(std::string(subsession.fmtp_spropsps())); // SPS
_sprop_parameter_sets.emplace_back(std::string(subsession.fmtp_sproppps())); // PPS
} else {
crLogE("DefaultSink::DefaultSink() Unsupported subsession: {}/{}",
subsession.mediumName(), subsession.codecName());
throw std::bad_alloc();
}
}
