#!/usr/bin/python3 import sys import selectors import pykms import argparse import time iw = 640 ih = 480 ifmt = pykms.PixelFormat.XRGB8888 ow = 640 oh = 480 ofmt = pykms.PixelFormat.XRGB8888 card = pykms.Card() res = pykms.ResourceManager(card) conn = res.reserve_connector() crtc = res.reserve_crtc(conn) plane1 = res.reserve_overlay_plane(crtc, ifmt) plane2 = res.reserve_overlay_plane(crtc, ofmt) print("{}, {}".format(plane1.id, plane2.id)) mode = conn.get_default_mode() modeb = mode.to_blob(card) card.disable_planes() req = pykms.AtomicReq(card) req.add(conn, "CRTC_ID", crtc.id) req.add(crtc, {"ACTIVE": 1, "MODE_ID": modeb.id}) req.commit_sync(allow_modeset = True) NUM_BUFS = 4 src_fbs = [] dst_fbs = [] for i in range(NUM_BUFS): fb = pykms.DumbFramebuffer(card, iw, ih, ifmt) pykms.draw_test_pattern(fb); pykms.draw_text(fb, iw // 2, 2, str(i), pykms.white); src_fbs.append(fb) fb = pykms.DumbFramebuffer(card, ow, oh, ofmt) dst_fbs.append(fb) # put the planes on the screen, so that WB doesn't take them req = pykms.AtomicReq(card) req.add_plane(plane1, src_fbs[0], crtc, dst=(0, 0, 400, 480)) req.add_plane(plane2, dst_fbs[1], crtc, dst=(400, 0, 400, 480)) r = req.commit_sync(allow_modeset = True) assert r == 0 vid = pykms.VideoDevice("/dev/video10") src_streamer = vid.output_streamer dst_streamer = vid.capture_streamer src_streamer.set_format(ifmt, iw, ih) (left, top, width, height) = src_streamer.get_selection() print("get: crop -> {},{}-{}x{}".format(left, top, width, height)) (left, top, width, height) = src_streamer.set_selection(160, 0, 320, 240) print("set: crop -> {},{}-{}x{}".format(left, top, width, height)) dst_streamer.set_format(ofmt, ow, oh) src_streamer.set_queue_size(NUM_BUFS) dst_streamer.set_queue_size(NUM_BUFS) for fb in src_fbs: src_streamer.queue(fb) for fb in dst_fbs: dst_streamer.queue(fb) input("press enter\n") src_streamer.stream_on() dst_streamer.stream_on() loop_count = 0 def readvid(conn, mask): global loop_count print("VID EVENT"); ifb = src_streamer.dequeue() ofb = dst_streamer.dequeue() req = pykms.AtomicReq(card) req.add_plane(plane1, ifb, crtc, dst=(0, 0, 400, 480)) req.add_plane(plane2, ofb, crtc, dst=(400, 0, 400, 480)) req.commit_sync(allow_modeset = True) time.sleep(1) loop_count += 1 if loop_count >= 10: exit(0) print("loop #", loop_count) src_streamer.queue(ifb) dst_streamer.queue(ofb) def readkey(conn, mask): print("KEY EVENT"); sys.stdin.readline() exit(0) sel = selectors.PollSelector() sel.register(vid.fd, selectors.EVENT_READ, readvid) sel.register(sys.stdin, selectors.EVENT_READ, readkey) while True: events = sel.select() for key, mask in events: callback = key.data callback(key.fileobj, mask) print("done"); exit(0) >drm_scatter.c
blob: dfae4b84886e7e13a090d200369067fc893bcd28 (plain) 
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/**
 * \file drm_scatter.c
 * IOCTLs to manage scatter/gather memory
 *
 * \author Gareth Hughes <gareth@valinux.com>
 */

/*
 * Created: Mon Dec 18 23:20:54 2000 by gareth@valinux.com
 *
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * All Rights Reserved.
 *
 * 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