GstSample* gstsample = gst_sample_ref(sample->sample()); GST_BUFFER_FLAG_UNSET(gst_sample_get_buffer(gstsample), GST_BUFFER_FLAG_DECODE_ONLY); push_sample(GST_APP_SRC(appsrc), gstsample);// gst_app_src_push_sample() uses transfer-none for gstsamplegst_sample_unref(gstsample); } } ...
Assertion is only supported by devices of compute capability 2.x and higher. It is not supported...
GstBuffer *buffer = gst_sample_get_buffer(sample); 代码语言:txt 复制 获取到图像数据后,可以使用GStreamer提供的函数来修改图像的分辨率。可以使用类似以下代码来更改图像的分辨率: 代码语言:txt 复制 GstCaps *caps = gst_caps_new_simple("video/x-raw", "width", G_TYPE_INT, new_width, "height",...
}if(!buffer)returngst_vorbis_enc_clear (vorbisenc);gst_buffer_map(buffer, &map, GST_MAP_WRITE);/* data to encode */size =map.size / (vorbisenc->channels *sizeof(float)); ptr = (gfloat *)map.data;/* expose the buffer to submit data */vorbis_buffer = vorbis_analysis_buffer (&vo...
staticGstFlowReturn on_new_sample_from_sink(GstElement*elt, ProgramData*data) { GstSample*sample; GstBuffer*app_buffer,*buffer; GstElement*source; GstFlowReturn ret; GstMapInfo info_in; guint8*in; /* get the sample from appsink */
void GSCam::publish_stream() //先启动流 gst_element_set_state(pipeline_, GST_STATE_PLAYING) //然后在while(ros::ok)循环中 //取样 GstSample* sample = gst_app_sink_pull_sample(GST_APP_SINK(sink_)); //得到缓存buffer GstBuffer* buf = gst_sample_get_buffer(sample); GstMemory *memory ...
GstBuffer *buf = gst_sample_get_buffer (first_sample);@@ -300,9 +309,54 @@ check_format_location (GstElement * object, GST_LOG ("New file - first buffer %" GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));if
感谢@FlorianZwoch，我使用了焊盘探针，每次我需要访问数据来探测它时，我都会像这样在任何我想要的焊盘...
(NvBufAudio*)map_info.data; NvDsBatchMeta *batch_meta = gst_buffer_get_nvds_batch_meta (buf); fail_unless(batch_meta != nullptr); gst_buffer_unmap(buf, &map_info); if(nvds_enable_latency_measurement) { NvDsFrameLatencyInfo* latency_info = (NvDsFrameLatencyInfo*)g_malloc0(sizeof(...
/*check received data (we assume every buffer created by audiotestsrc and * subsequently encoded by mulawenc results in exactly one RTP packet)*/ for(i =0; i < RECORD_N_BUFS; ++i) { GstSample *sample =NULL; g_signal_emit_by_name(G_OBJECT(server_sink),"pull-sample", &sample);...