hello_vulkan

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appsink ​

new-sample ​

c
g_signal_connect(appsink, "new-sample", G_CALLBACK(cb_new_sample), NULL);

gst_app_sink_try_pull_sample ​

c
GstSample *videosample = gst_app_sink_try_pull_sample(GST_APP_SINK(this->_appsink), 10 * GST_MSECOND);