def init_capture(w, h, pixel_depth=32):
capture = None
if SHADOW_NVFBC:
try:
from xpra.codecs.nvfbc.fbc_capture_win import init_nvfbc_library
except ImportError:
log("NvFBC capture is not available", exc_info=True)
else:
try:
if init_nvfbc_library():
log("NVFBC_CUDA=%s", NVFBC_CUDA)
pixel_format = {
24: "RGB",
32: "BGRX",
30: "r210",
}[pixel_depth]
if NVFBC_CUDA:
from xpra.codecs.nvfbc.fbc_capture_win import NvFBC_CUDACapture #@UnresolvedImport
capture = NvFBC_CUDACapture()
else:
from xpra.codecs.nvfbc.fbc_capture_win import NvFBC_SysCapture #@UnresolvedImport
capture = NvFBC_SysCapture()
capture.init_context(w, h, pixel_format)
except Exception as e:
capture = None
log("NvFBC_Capture", exc_info=True)
log.warn(
"Warning: NvFBC screen capture initialization failed:")
for x in str(e).replace(". ", ":").split(":"):
if x.strip() and x != "nvfbc":
log.warn(" %s", x.strip())
log.warn(" xpra is using the slower GDI capture code")
del e
if not capture:
if SHADOW_GDI:
capture = GDICapture()
if not capture:
raise Exception(
"no screen capture methods enabled (GDI capture is disabled)")
log("init_capture()=%s", capture)
return capture
def init_capture(pixel_depth=32):
capture = None
if SHADOW_NVFBC:
try:
from xpra.codecs.nvfbc.fbc_capture_win import init_nvfbc_library
except ImportError:
log("NvFBC capture is not available", exc_info=True)
else:
try:
if init_nvfbc_library():
log("NVFBC_CUDA=%s", NVFBC_CUDA)
pixel_format = {
24: "RGB",
32: "BGRX",
30: "r210",
}[pixel_depth]
if NVFBC_CUDA:
from xpra.codecs.nvfbc.fbc_capture_win import NvFBC_CUDACapture
capture = NvFBC_CUDACapture()
else:
from xpra.codecs.nvfbc.fbc_capture_win import NvFBC_SysCapture
capture = NvFBC_SysCapture()
capture.init_context(-1, -1, pixel_format)
except Exception as e:
log("NvFBC_Capture", exc_info=True)
log.warn(
"Warning: NvFBC screen capture initialization failed:")
log.warn(" %s", e)
log.warn(" using the slower GDI capture code")
del e
if not capture:
if SHADOW_GDI:
capture = GDICapture()
if not capture:
raise Exception(
"no screen capture methods enabled (GDI capture is disabled)")
log("init_capture()=%s", capture)
return capture