setbuffer.py

NUM_IMAGES = 4000  # The number of images to capture
NUM_SAVERS = 10  # The number of saver coroutines

BUFFER_SIZE = 3500

 # Set up cam_list and queue
system = PySpin.System.GetInstance()
cam_list = system.GetCameras()
queue = asyncio.Queue()

for cam in cam_list:
    # Retrieve Stream Parameters device nodemap
    s_node_map = cam.GetTLStreamNodeMap()

    # Retrieve Buffer Handling Mode Information
    handling_mode = PySpin.CEnumerationPtr(s_node_map.GetNode('StreamBufferHandlingMode'))
    if not PySpin.IsAvailable(handling_mode) or not PySpin.IsWritable(handling_mode):
        print('Unable to set Buffer Handling mode (node retrieval). Aborting...\n')
        #return False

    handling_mode_entry = PySpin.CEnumEntryPtr(handling_mode.GetCurrentEntry())
    if not PySpin.IsAvailable(handling_mode_entry) or not PySpin.IsReadable(handling_mode_entry):
        print('Unable to set Buffer Handling mode (Entry retrieval). Aborting...\n')
        #return False

    # Set stream buffer Count Mode to manual
    stream_buffer_count_mode = PySpin.CEnumerationPtr(s_node_map.GetNode('StreamBufferCountMode'))
    if not PySpin.IsAvailable(stream_buffer_count_mode) or not PySpin.IsWritable(stream_buffer_count_mode):
        print('Unable to set Buffer Count Mode (node retrieval). Aborting...\n')
    # return False

    stream_buffer_count_mode_manual = PySpin.CEnumEntryPtr(stream_buffer_count_mode.GetEntryByName('Manual'))
    if not PySpin.IsAvailable(stream_buffer_count_mode_manual) or not PySpin.IsReadable(stream_buffer_count_mode_manual):
        print('Unable to set Buffer Count Mode entry (Entry retrieval). Aborting...\n')
        #return False

    stream_buffer_count_mode.SetIntValue(stream_buffer_count_mode_manual.GetValue())
    print('Stream Buffer Count Mode set to manual...')

    # Retrieve and modify Stream Buffer Count
    buffer_count = PySpin.CIntegerPtr(s_node_map.GetNode('StreamBufferCountManual'))
    if not PySpin.IsAvailable(buffer_count) or not PySpin.IsWritable(buffer_count):
        print('Unable to set Buffer Count (Integer node retrieval). Aborting...\n')
    # return False

    # Display Buffer Info
    print('\nDefault Buffer Handling Mode: %s' % handling_mode_entry.GetDisplayName())
    print('Default Buffer Count: %d' % buffer_count.GetValue())
    print('Maximum Buffer Count: %d' % buffer_count.GetMax())

    handling_mode_entry = handling_mode.GetEntryByName('OldestFirstOverwrite')
    handling_mode.SetIntValue(handling_mode_entry.GetValue())

    buffer_count.SetValue(BUFFER_SIZE)

    print('Buffer count now set to: %d' % buffer_count.GetValue())
    print('Now Buffer Handling Mode: %s' % handling_mode_entry.GetDisplayName())