v0.30.alpha.md

v0.30.alpha Release Notes

Highlights

• New GStreamer (GST) API used to created Custom DSL Pipeline Components. See #1174.
• Pipeline Components can now be linked together by one of two methods. See #1176 and #1212.
  • By-position - allows Pipelines to be assemebled over subsequent calls - the default link method in all previous releases.
  • By-add-order - allows full user control over the order of linking - new and now default method of linking.
• New ODE Actions:
  • Snap-Label-To-Grid Action. See #1191.
  • Connect-Label-To-BBox Action. See #1192.
• New Examples and Overview Section on "Working with Buffer-Surfaces and OpenCV". See #1209
• A number of critical bugs have been resolved, see the list below.

Issues closed in this release

Bugs closed in this release

• RTSP Source API Reference - constructor section is missing the drop_frame_interval #1175
• Remove input queue from branch - unnecessary, as first component will have its own input queue. #1180
• dsl_ode_action_label_offset_new is missing from dsl.py #1188
• Pipeline with Secondary Inference components and a Message Sink fail to fully transition to a playing state #1202
• WebRTC Sink Inatallation Instructions missing dependencies for DS 6.4/7.0 GST 1.20 #1217
• V4L2 Source is failing to play when running on dGPU - currently using wrong plugin #1219

Enhancements closed in this release

• Implement new GStreamer Element and Bin APIs - allow clients to create custom DSL Pipeline Components #1174
• Extend Pipelines/Branches to be able to link components by both position and by add-order. #1176
• Update Triton Inference Service examples to use new traficcamnet models. #1184
• Tracking algorithm for all Triggers is incorrect/insufficient for how the Tracker libs actually work. #1186
• Implement new snap-label-to-grid ODE Action - dsl_ode_action_label_snap_to_grid_new #1191
• Implement new connect-label-bbox ODE Action - dsl_ode_action_label_connect_to_bbox_new #1192
• ODE Actions need to include classifier meta labels when printing, logging, filing, and messaging object data. #1195
• Implement dsl_sink_message_payload_debug_dir_get/set services to dump Message Converter payloads. #1199
• Remove unnecessary tee and fake sink from the IoT Message Sink Component. #1203
• Make message-converter-config-file optional for IoT Message Sink #1204
• Add examples and overview to cover how to work with opencv in an Custom Pad Probe Handler #1209
• Set DSL_PIPELINE_LINK_METHOD_DEFAULT to DSL_PIPELINE_LINK_METHOD_BY_ADD_ORDER #1212
• Update conditional WebRTC Sink build inclussion - make boolean vs tied to gstreamer version #1216

New Symbolic Constants in this release

New GStreamer (GST) Element API Return Values

#define DSL_RESULT_GST_ELEMENT_RESULT                               0x00D00000
#define DSL_RESULT_GST_ELEMENT_NAME_NOT_UNIQUE                      0x00D00001
#define DSL_RESULT_GST_ELEMENT_NAME_NOT_FOUND                       0x00D00002
#define DSL_RESULT_GST_ELEMENT_THREW_EXCEPTION                      0x00D00003
#define DSL_RESULT_GST_ELEMENT_IN_USE                               0x00D00004
#define DSL_RESULT_GST_ELEMENT_SET_FAILED                           0x00D00005
#define DSL_RESULT_GST_ELEMENT_HANDLER_ADD_FAILED                   0x00D00006
#define DSL_RESULT_GST_ELEMENT_HANDLER_REMOVE_FAILED                0x00D00007
#define DSL_RESULT_GST_ELEMENT_PAD_TYPE_INVALID                     0x00D00008

New GStreamer (GST) Bin API Return Values

#define DSL_RESULT_GST_BIN_RESULT                                   0x00E00000
#define DSL_RESULT_GST_BIN_NAME_NOT_UNIQUE                          0x00E00001
#define DSL_RESULT_GST_BIN_NAME_NOT_FOUND                           0x00E00002
#define DSL_RESULT_GST_BIN_NAME_BAD_FORMAT                          0x00E00003
#define DSL_RESULT_GST_BIN_THREW_EXCEPTION                          0x00E00004
#define DSL_RESULT_GST_BIN_IS_IN_USE                                0x00E00005
#define DSL_RESULT_GST_BIN_SET_FAILED                               0x00E00006
#define DSL_RESULT_GST_BIN_ELEMENT_ADD_FAILED                       0x00E00007
#define DSL_RESULT_GST_BIN_ELEMENT_REMOVE_FAILED                    0x00E00008
#define DSL_RESULT_GST_BIN_ELEMENT_NOT_IN_USE                       0x00E00009

Methods of linking Pipeline components

#define DSL_PIPELINE_LINK_METHOD_BY_POSITION                        0
#define DSL_PIPELINE_LINK_METHOD_BY_ADD_ORDER                       1
#define DSL_PIPELINE_LINK_METHOD_DEFAULT                            DSL_PIPELINE_LINK_METHOD_BY_ADD_ORDER

New Services in this release

New GStreamer (GST) API:

• dsl_gst_element_new
• dsl_gst_bin_new
• dsl_gst_bin_new_element_add_many
• dsl_gst_element_delete
• dsl_gst_element_delete_many
• dsl_gst_element_delete_all
• dsl_gst_element_property_boolean_get
• dsl_gst_element_property_boolean_set
• dsl_gst_element_property_float_get
• dsl_gst_element_property_float_set
• dsl_gst_element_property_uint_get
• dsl_gst_element_property_uint_set
• dsl_gst_element_property_int_get
• dsl_gst_element_property_int_set
• dsl_gst_element_property_uint64_get
• dsl_gst_element_property_uint64_set
• dsl_gst_element_property_int64_get
• dsl_gst_element_property_int64_set
• dsl_gst_element_property_string_get
• dsl_gst_element_property_string_set
• dsl_gst_element_list_size
• dsl_gst_element_pph_add
• dsl_gst_element_pph_remove
• dsl_gst_bin_element_add
• dsl_gst_bin_element_add_many
• dsl_gst_bin_element_remove
• dsl_gst_bin_element_remove_many

New Pipeline Link Method Services

• dsl_pipeline_link_method_get
• dsl_pipeline_link_method_set

New ODE Actions

• dsl_ode_action_label_connect_to_bbox_new
• dsl_ode_action_label_snap_to_grid_new

New Sink Services

• dsl_sink_message_payload_debug_dir_get
• dsl_sink_message_payload_debug_dir_set

New Examples in this release

• pipeline_with_custom_gst_bin_and_elements.py
• pipeline_with_custom_gst_bin_and_elements.cpp
• 4file_custom_pph_using_opencv.py
• 4file_custom_pph_using_opencv.cpp