Hi,
Please refer to attached code. Waiting for EOS is required.
#include <cstdlib>
#include <cstring>
#include <sstream>
#include <gst/gst.h>
using namespace std;
#define USE(x) ((void)(x))
static GstPipeline *gst_pipeline = nullptr;
static string launch_string;
GstClockTime usec = 1000000;
static int w = 1920;
static int h = 1080;
int main(int argc, char** argv) {
USE(argc);
USE(argv);
gst_init (&argc, &argv);
GMainLoop *main_loop;
main_loop = g_main_loop_new (NULL, FALSE);
ostringstream launch_stream;
launch_stream
<< "nvarguscamerasrc name=mysource ! "
<< "video/x-raw(memory:NVMM),width="<< w <<",height="<< h <<",framerate=30/1,format=NV12 ! "
<< "nvv4l2h264enc ! h264parse ! qtmux ! "
<< "filesink location=a.mp4 ";
launch_string = launch_stream.str();
g_print("Using launch string: %s\n", launch_string.c_str());
GError *error = nullptr;
gst_pipeline = (GstPipeline*) gst_parse_launch(launch_string.c_str(), &error);
if (gst_pipeline == nullptr) {
g_print( "Failed to parse launch: %s\n", error->message);
return -1;
}
if(error) g_error_free(error);
gst_element_set_state((GstElement*)gst_pipeline, GST_STATE_PLAYING);
g_usleep(30*usec);
GstElement* src = gst_bin_get_by_name(GST_BIN(gst_pipeline), "mysource");
gst_element_send_event (src, gst_event_new_eos ());
// Wait for EOS message
GstMessage *msg;
GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(gst_pipeline));
msg = gst_bus_poll(bus, GST_MESSAGE_EOS, GST_CLOCK_TIME_NONE);
gst_message_unref(msg);
gst_object_unref(bus);
gst_element_set_state((GstElement*)gst_pipeline, GST_STATE_NULL);
gst_object_unref(GST_OBJECT(gst_pipeline));
g_main_loop_unref(main_loop);
g_print("going to exit \n");
return 0;
}