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genicamsrc: properly close video by sending AcquisitionStop

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This commit is contained in:
Joshua M. Doe 2021-03-23 14:17:28 -04:00
parent e93de61e98
commit e970fcd33b
1 changed files with 12 additions and 1 deletions
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13
sys/genicam/gstgenicamsrc.c
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@ -868,6 +868,11 @@ gst_genicamsrc_start (GstBaseSrc * bsrc)
&src->hDEV);
HANDLE_GTL_ERROR ("Failed to open device");
uint32_t num_data_streams;
ret = GTL_DevGetNumDataStreams(src->hDEV, &num_data_streams);
HANDLE_GTL_ERROR("Failed to get number of data streams");
GST_DEBUG_OBJECT(src, "Found %d data streams", num_data_streams);
/* find and open specified data stream id */
if (!src->stream_id || src->stream_id[0] == 0) {
size_t id_size;
@ -1164,8 +1169,12 @@ gst_genicamsrc_stop (GstBaseSrc * bsrc)
GST_DEBUG_OBJECT (src, "stop");
if (src->hDS) {
/* command AcquisitionStop */
guint32 val = GUINT32_TO_BE(1);
gsize datasize = sizeof(val);
GC_ERROR ret = GTL_GCWritePort(src->hDevPort, GENAPI_ACQSTOP, &val, &datasize);
GTL_DSStopAcquisition (src->hDS, ACQ_STOP_FLAGS_DEFAULT);
// TODO: also command device AcquisitionStop
GTL_DSFlushQueue (src->hDS, ACQ_QUEUE_INPUT_TO_OUTPUT);
GTL_DSFlushQueue (src->hDS, ACQ_QUEUE_OUTPUT_DISCARD);
GTL_DSClose (src->hDS);
@ -1189,6 +1198,8 @@ gst_genicamsrc_stop (GstBaseSrc * bsrc)
GTL_GCCloseLib ();
GST_DEBUG_OBJECT(src, "Closed data stream, device, interface, and library");
gst_genicamsrc_reset (src);
return TRUE;