libcamera/vivid.git - libcamera pipeline handler for VIVID

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author	Laurent Pinchart <laurent.pinchart@ideasonboard.com>	2020-12-12 05:22:31 +0200
committer	Laurent Pinchart <laurent.pinchart@ideasonboard.com>	2020-12-14 15:35:03 +0200
commit	bd4894d2596168b3435fb93b9e53dad84b2dcc7e (patch)
tree	f17e9bdd1f2a5e61979c1084a514a021c86a33a2 /src/qcam/main_window.cpp
parent	008f2a55d141d4e5257ed83e7714d88734d67dde (diff)

android: camera_device: Replace auto with explicit type

The auto keyword facilitates writing code. It avoids typing out very long types, which can make the code more readable, but it can also have a negative impact on readability as it requires the reader (including reviewers) to look up the type of the variable. Replace one occurrence of auto with the explicit type where doing so doesn't require a long type name. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>

Diffstat (limited to 'src/qcam/main_window.cpp')

0 files changed, 0 insertions, 0 deletions

# SPDX-License-Identifier: GPL-2.0-or-later # Copyright (C) 2022, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> import pykms import selectors import sys class KMSRenderer: def __init__(self, state): self.state = state self.cm = state['cm'] self.contexts = state['contexts'] self.running = False card = pykms.Card() res = pykms.ResourceManager(card) conn = res.reserve_connector() crtc = res.reserve_crtc(conn) mode = conn.get_default_mode() modeb = mode.to_blob(card) req = pykms.AtomicReq(card) req.add_connector(conn, crtc) req.add_crtc(crtc, modeb) r = req.commit_sync(allow_modeset=True) assert(r == 0) self.card = card self.resman = res self.crtc = crtc self.mode = mode self.bufqueue = [] self.current = None self.next = None self.cam_2_drm = {} # KMS def close(self): req = pykms.AtomicReq(self.card) for s in self.streams: req.add_plane(s['plane'], None, None, dst=(0, 0, 0, 0)) req.commit() def add_plane(self, req, stream, fb): s = next(s for s in self.streams if s['stream'] == stream) idx = s['idx'] plane = s['plane'] if idx % 2 == 0: x = 0 else: x = self.mode.hdisplay - fb.width if idx // 2 == 0: y = 0 else: y = self.mode.vdisplay - fb.height req.add_plane(plane, fb, self.crtc, dst=(x, y, fb.width, fb.height)) def apply_request(self, drmreq): buffers = drmreq['camreq'].buffers req = pykms.AtomicReq(self.card) for stream, fb in buffers.items(): drmfb = self.cam_2_drm.get(fb, None) self.add_plane(req, stream, drmfb) req.commit() def handle_page_flip(self, frame, time): old = self.current self.current = self.next if len(self.bufqueue) > 0: self.next = self.bufqueue.pop(0) else: self.next = None if self.next: drmreq = self.next self.apply_request(drmreq) if old: req = old['camreq'] ctx = old['camctx'] self.state['request_prcessed'](ctx, req) def queue(self, drmreq): if not self.next: self.next = drmreq self.apply_request(drmreq) else: self.bufqueue.append(drmreq) # libcamera def setup(self): self.streams = [] idx = 0 for ctx in self.contexts: for stream in ctx['streams']: cfg = stream.configuration fmt = cfg.pixel_format fmt = pykms.PixelFormat(fmt.fourcc) plane = self.resman.reserve_generic_plane(self.crtc, fmt) assert(plane is not None) self.streams.append({ 'idx': idx, 'stream': stream, 'plane': plane, 'fmt': fmt, 'size': cfg.size, }) for fb in ctx['allocator'].buffers(stream): w = cfg.size.width h = cfg.size.height fds = [] strides = [] offsets = [] for i in range(fb.num_planes): fds.append(fb.fd(i)) strides.append(cfg.stride) offsets.append(fb.offset(i)) drmfb = pykms.DmabufFramebuffer(self.card, w, h, fmt, fds, strides, offsets) self.cam_2_drm[fb] = drmfb idx += 1 def readdrm(self, fileobj): for ev in self.card.read_events(): if ev.type == pykms.DrmEventType.FLIP_COMPLETE: self.handle_page_flip(ev.seq, ev.time) def readcam(self, fd): self.running = self.state['event_handler'](self.state) def readkey(self, fileobj): sys.stdin.readline() self.running = False def run(self): print('Capturing...') self.running = True sel = selectors.DefaultSelector() sel.register(self.card.fd, selectors.EVENT_READ, self.readdrm) sel.register(self.cm.efd, selectors.EVENT_READ, self.readcam) sel.register(sys.stdin, selectors.EVENT_READ, self.readkey) print('Press enter to exit') while self.running: events = sel.select() for key, mask in events: callback = key.data callback(key.fileobj) print('Exiting...') def request_handler(self, ctx, req): drmreq = { 'camctx': ctx, 'camreq': req, } self.queue(drmreq)


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