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1file_ptis_iou_tracker_2stis_osd_window.py
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################################################################################
# The MIT License
#
# Copyright (c) 2021-2023, Prominence AI, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
################################################################################
################################################################################
#
# The example demonstrates how to create a set of Pipeline components,
# specifically:
# - File Source
# - Primary Triton Inference Server (PTIS)
# - 2 Secondary Triton Inference Servers(STIS)
# - IOU Tracker
# - On-Screen Display
# - Window Sink
# ...and how to add them to a new Pipeline and play
#
# The example registers handler callback functions with the Pipeline for:
# - key-release events
# - delete-window events
# - end-of-stream EOS events
# - Pipeline change-of-state events
#
################################################################################
#!/usr/bin/env python
import sys
import time
from dsl import *
# File path for the single File Source
file_path = '/opt/nvidia/deepstream/deepstream/samples/streams/sample_qHD.mp4'
# Filespecs for the Primary Triton Inference Server (PTIS)
primary_infer_config_file = \
'/opt/nvidia/deepstream/deepstream/samples/configs/deepstream-app-triton/config_infer_plan_engine_primary.txt'
# Filespec for the IOU Tracker config file
iou_tracker_config_file = \
'/opt/nvidia/deepstream/deepstream/samples/configs/deepstream-app/config_tracker_IOU.yml'
# Filespecs for the Two Secondary Triton Inference Servers (STIS)
secondary_infer_config_file1 = \
'/opt/nvidia/deepstream/deepstream/samples/configs/deepstream-app-triton/config_infer_secondary_plan_engine_vehiclemake.txt'
secondary_infer_config_file2 = \
'/opt/nvidia/deepstream/deepstream/samples/configs/deepstream-app-triton/config_infer_secondary_plan_engine_vehicletypes.txt'
# Source file dimensions are 960 × 540
SOURCE_WIDTH = 960
SOURCE_HEIGHT = 540
# Window Sink dimensions same as Source dimensions - no scaling.
WINDOW_WIDTH = SOURCE_WIDTH
WINDOW_HEIGHT = SOURCE_HEIGHT
##
# Function to be called on XWindow KeyRelease event
##
def xwindow_key_event_handler(key_string, client_data):
print('key released = ', key_string)
if key_string.upper() == 'P':
dsl_pipeline_pause('pipeline')
elif key_string.upper() == 'R':
dsl_pipeline_play('pipeline')
elif key_string.upper() == 'Q' or key_string == '' or key_string == '':
dsl_pipeline_stop('pipeline')
dsl_main_loop_quit()
##
# Function to be called on XWindow Delete event
##
def xwindow_delete_event_handler(client_data):
print('delete window event')
dsl_pipeline_stop('pipeline')
dsl_main_loop_quit()
# Function to be called on End-of-Stream (EOS) event
def eos_event_listener(client_data):
print('Pipeline EOS event')
dsl_pipeline_stop('pipeline')
dsl_main_loop_quit()
##
# Function to be called on every change of Pipeline state
##
def state_change_listener(old_state, new_state, client_data):
print('previous state = ', old_state, ', new state = ', new_state)
if new_state == DSL_STATE_PLAYING:
dsl_pipeline_dump_to_dot('pipeline', "state-playing")
def main(args):
# Since we're not using args, we can Let DSL initialize GST on first call
while True:
# New File Source using the file path specified above, repeat diabled.
retval = dsl_source_file_new('file-source', file_path, False)
if retval != DSL_RETURN_SUCCESS:
break
# New Primary TIS using the filespec specified above, with interval = 4
retval = dsl_infer_tis_primary_new('primary-tis', primary_infer_config_file, 4)
if retval != DSL_RETURN_SUCCESS:
break
# Two New Secondary TISs using the filespec specified above, with interval = 0
retval = dsl_infer_tis_secondary_new('secondary-tis-1',
secondary_infer_config_file1, 'primary-tis', 0)
if retval != DSL_RETURN_SUCCESS:
break
retval = dsl_infer_tis_secondary_new('secondary-tis-2',
secondary_infer_config_file2, 'primary-tis', 0)
if retval != DSL_RETURN_SUCCESS:
break
# New IOU Tracker, setting operational width and height.
retval = dsl_tracker_new('iou-tracker', iou_tracker_config_file, 480, 272)
if retval != DSL_RETURN_SUCCESS:
break
# New OSD with text, clock and bbox display all enabled.
retval = dsl_osd_new('on-screen-display',
text_enabled=True, clock_enabled=True, bbox_enabled=True, mask_enabled=False)
if retval != DSL_RETURN_SUCCESS:
break
# New Window Sink with x/y offsets and dimensions.
# EGL Sink runs on both platforms. 3D Sink is Jetson only.
if (dsl_info_gpu_type_get(0) == DSL_GPU_TYPE_INTEGRATED):
retval = dsl_sink_window_3d_new('window-sink', 0, 0,
WINDOW_WIDTH, WINDOW_HEIGHT)
else:
retval = dsl_sink_window_egl_new('window-sink', 0, 0,
WINDOW_WIDTH, WINDOW_HEIGHT)
if retval != DSL_RETURN_SUCCESS:
break
# Add the XWindow event handler functions defined above
retval = dsl_sink_window_key_event_handler_add("window-sink",
xwindow_key_event_handler, None)
if retval != DSL_RETURN_SUCCESS:
break
retval = dsl_sink_window_delete_event_handler_add("window-sink",
xwindow_delete_event_handler, None)
if retval != DSL_RETURN_SUCCESS:
break
# Add all the components to a new pipeline
retval = dsl_pipeline_new_component_add_many('pipeline',
['file-source', 'primary-tis', 'iou-tracker', 'secondary-tis-1',
'secondary-tis-2', 'on-screen-display',
'window-sink', None])
if retval != DSL_RETURN_SUCCESS:
break
# Add the listener callback functions defined above
retval = dsl_pipeline_state_change_listener_add('pipeline',
state_change_listener, None)
if retval != DSL_RETURN_SUCCESS:
break
retval = dsl_pipeline_eos_listener_add('pipeline',
eos_event_listener, None)
if retval != DSL_RETURN_SUCCESS:
break
# Play the pipeline
retval = dsl_pipeline_play('pipeline')
if retval != DSL_RETURN_SUCCESS:
break
# Join with main loop until released - blocking call
dsl_main_loop_run()
retval = DSL_RETURN_SUCCESS
break
# Print out the final result
print(dsl_return_value_to_string(retval))
dsl_pipeline_delete_all()
dsl_component_delete_all()
if __name__ == '__main__':
sys.exit(main(sys.argv))