2006-02-05 19:12:25 +00:00
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/*
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2006-02-08 23:00:34 +00:00
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* Frameserver
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2006-02-05 19:12:25 +00:00
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* Makes Blender accessible from TMPGenc directly using VFAPI (you can
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* use firefox too ;-)
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*
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* Copyright (c) 2006 Peter Schlaile
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <string.h>
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#include <stdio.h>
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#if defined(_WIN32)
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2006-07-14 13:32:29 +00:00
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#include <winsock2.h>
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2006-02-05 19:12:25 +00:00
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#include <windows.h>
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#include <winbase.h>
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#include <direct.h>
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#else
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2006-02-08 23:00:34 +00:00
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#include <sys/time.h>
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2006-02-05 19:12:25 +00:00
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#include <sys/socket.h>
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2006-06-26 13:22:55 +00:00
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#include <sys/types.h>
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2006-02-05 19:12:25 +00:00
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <net/if.h>
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#include <netdb.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/un.h>
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#include <fcntl.h>
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#endif
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#include <stdlib.h>
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#include "MEM_guardedalloc.h"
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#include "BLI_blenlib.h"
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#include "DNA_userdef_types.h"
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#include "BKE_global.h"
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#include "IMB_imbuf_types.h"
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#include "IMB_imbuf.h"
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#include "DNA_scene_types.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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static int sock;
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static int connsock;
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static int write_ppm;
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static int render_width;
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static int render_height;
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2006-07-14 13:32:29 +00:00
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#if defined(_WIN32)
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static int startup_socket_system()
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{
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WSADATA wsa;
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return (WSAStartup(MAKEWORD(2,0),&wsa) == 0);
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}
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static void shutdown_socket_system()
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{
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WSACleanup();
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}
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static int select_was_interrupted_by_signal()
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{
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return (WSAGetLastError() == WSAEINTR);
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}
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#else
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static int startup_socket_system()
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{
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return 1;
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}
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static void shutdown_socket_system()
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{
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}
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static int select_was_interrupted_by_signal()
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{
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return (errno == EINTR);
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}
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static int closesocket(int fd)
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{
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2006-02-05 19:12:25 +00:00
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return close(fd);
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}
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#endif
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void start_frameserver(RenderData *rd, int rectx, int recty)
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{
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struct sockaddr_in addr;
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2006-06-26 13:22:55 +00:00
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int arg = 1;
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2006-02-05 19:12:25 +00:00
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2006-07-14 13:32:29 +00:00
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if (!startup_socket_system()) {
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G.afbreek = 1;
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2008-01-01 18:16:10 +00:00
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//XXX error("Can't startup socket system");
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2006-07-14 13:32:29 +00:00
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return;
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}
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2006-02-05 19:12:25 +00:00
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if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
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2006-07-14 13:32:29 +00:00
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shutdown_socket_system();
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2006-02-05 19:12:25 +00:00
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G.afbreek = 1; /* Abort render */
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2008-01-01 18:16:10 +00:00
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//XXX error("Can't open socket");
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2006-02-05 19:12:25 +00:00
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return;
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}
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2006-06-26 13:22:55 +00:00
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setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
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(char*) &arg, sizeof(arg));
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2006-02-05 19:12:25 +00:00
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addr.sin_family = AF_INET;
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addr.sin_port = htons(U.frameserverport);
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addr.sin_addr.s_addr = INADDR_ANY;
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if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
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2006-07-14 13:32:29 +00:00
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shutdown_socket_system();
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2006-02-05 19:12:25 +00:00
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G.afbreek = 1; /* Abort render */
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2008-01-01 18:16:10 +00:00
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//XXX error("Can't bind to socket");
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2006-02-05 19:12:25 +00:00
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return;
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}
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if (listen(sock, SOMAXCONN) < 0) {
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2006-07-14 13:32:29 +00:00
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shutdown_socket_system();
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2006-02-05 19:12:25 +00:00
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G.afbreek = 1; /* Abort render */
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2008-01-01 18:16:10 +00:00
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//XXX error("Can't establish listen backlog");
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2006-02-05 19:12:25 +00:00
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return;
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}
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connsock = -1;
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render_width = rectx;
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render_height = recty;
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}
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static char index_page[]
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=
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"HTTP/1.1 200 OK\n"
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"Content-Type: text/html\n\n"
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"<html><head><title>Blender Frameserver</title></head>\n"
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"<body><pre>\n"
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"<H2>Blender Frameserver</H2>\n"
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"<A HREF=info.txt>Render Info</A><br>\n"
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"<A HREF=close.txt>Stop Rendering</A><br>\n"
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"\n"
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"Images can be found here\n"
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"\n"
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"images/ppm/%d.ppm\n"
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"\n"
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"</pre></body></html>\n";
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static char good_bye[]
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= "HTTP/1.1 200 OK\n"
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"Content-Type: text/html\n\n"
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"<html><head><title>Blender Frameserver</title></head>\n"
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"<body><pre>\n"
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"Render stopped. Goodbye</pre></body></html>";
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static int safe_write(char * s, int tosend)
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{
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int total = tosend;
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do {
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int got = send(connsock, s, tosend, 0);
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if (got < 0) {
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return got;
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}
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tosend -= got;
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s += got;
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} while (tosend > 0);
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return total;
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}
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static int safe_puts(char * s)
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{
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return safe_write(s, strlen(s));
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}
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2009-01-04 14:14:06 +00:00
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static int handle_request(RenderData *rd, char * req)
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2006-02-05 19:12:25 +00:00
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{
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char * p;
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char * path;
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2006-03-07 20:01:12 +00:00
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int pathlen;
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2006-02-05 19:12:25 +00:00
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if (memcmp(req, "GET ", 4) != 0) {
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return -1;
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}
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p = req + 4;
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path = p;
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while (*p != ' ' && *p) p++;
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*p = 0;
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if (strcmp(path, "/index.html") == 0
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|| strcmp(path, "/") == 0) {
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safe_puts(index_page);
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return -1;
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}
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write_ppm = 0;
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2006-03-07 20:01:12 +00:00
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pathlen = strlen(path);
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2006-02-05 19:12:25 +00:00
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2006-03-07 20:01:12 +00:00
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if (pathlen > 12 && memcmp(path, "/images/ppm/", 12) == 0) {
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2006-02-05 19:12:25 +00:00
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write_ppm = 1;
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return atoi(path + 12);
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}
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if (strcmp(path, "/info.txt") == 0) {
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char buf[4096];
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sprintf(buf,
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"HTTP/1.1 200 OK\n"
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"Content-Type: text/html\n\n"
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"start %d\n"
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"end %d\n"
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"width %d\n"
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"height %d\n"
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"rate %d\n"
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"ratescale %d\n",
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2009-01-04 14:14:06 +00:00
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rd->sfra,
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rd->efra,
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2006-02-05 19:12:25 +00:00
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render_width,
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render_height,
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2009-01-04 14:14:06 +00:00
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rd->frs_sec,
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2006-02-05 19:12:25 +00:00
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1
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);
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safe_puts(buf);
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return -1;
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}
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if (strcmp(path, "/close.txt") == 0) {
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safe_puts(good_bye);
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G.afbreek = 1; /* Abort render */
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return -1;
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}
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return -1;
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}
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2009-01-04 14:14:06 +00:00
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int frameserver_loop(RenderData *rd)
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2006-02-05 19:12:25 +00:00
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{
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fd_set readfds;
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struct timeval tv;
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struct sockaddr_in addr;
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2006-10-26 23:34:44 +00:00
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int len, rval;
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unsigned int socklen;
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2006-02-05 19:12:25 +00:00
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char buf[4096];
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if (connsock != -1) {
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closesocket(connsock);
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connsock = -1;
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}
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tv.tv_sec = 1;
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tv.tv_usec = 0;
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FD_ZERO(&readfds);
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FD_SET(sock, &readfds);
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rval = select(sock + 1, &readfds, NULL, NULL, &tv);
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if (rval < 0) {
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return -1;
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}
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if (rval == 0) { /* nothing to be done */
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return -1;
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}
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2006-10-26 23:34:44 +00:00
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socklen = sizeof(addr);
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2006-02-05 19:12:25 +00:00
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2006-10-26 23:34:44 +00:00
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if ((connsock = accept(sock, (struct sockaddr *)&addr, &socklen)) < 0) {
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2006-02-05 19:12:25 +00:00
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return -1;
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}
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FD_ZERO(&readfds);
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FD_SET(connsock, &readfds);
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for (;;) {
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/* give 10 seconds for telnet testing... */
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tv.tv_sec = 10;
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tv.tv_usec = 0;
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rval = select(connsock + 1, &readfds, NULL, NULL, &tv);
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if (rval > 0) {
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break;
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} else if (rval == 0) {
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return -1;
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} else if (rval < 0) {
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2006-07-14 13:32:29 +00:00
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if (!select_was_interrupted_by_signal()) {
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2006-02-05 19:12:25 +00:00
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return -1;
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}
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}
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}
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len = recv(connsock, buf, 4095, 0);
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if (len < 0) {
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return -1;
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}
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buf[len] = 0;
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2009-01-04 14:14:06 +00:00
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return handle_request(rd, buf);
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2006-02-05 19:12:25 +00:00
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}
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static void serve_ppm(int *pixels, int rectx, int recty)
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{
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unsigned char* rendered_frame;
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unsigned char* row = (unsigned char*) malloc(render_width * 3);
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int y;
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char header[1024];
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sprintf(header,
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"HTTP/1.1 200 OK\n"
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"Content-Type: image/ppm\n"
|
|
|
|
|
"Connection: close\n\n"
|
|
|
|
|
"P6\n"
|
|
|
|
|
"# Creator: blender frameserver v0.0.1\n"
|
|
|
|
|
"%d %d\n"
|
|
|
|
|
"255\n",
|
|
|
|
|
rectx, recty);
|
|
|
|
|
|
|
|
|
|
safe_puts(header);
|
|
|
|
|
|
2006-02-14 11:46:45 +00:00
|
|
|
rendered_frame = (unsigned char *)pixels;
|
2006-02-05 19:12:25 +00:00
|
|
|
|
|
|
|
|
for (y = recty - 1; y >= 0; y--) {
|
2006-02-05 23:08:30 +00:00
|
|
|
unsigned char* target = row;
|
|
|
|
|
unsigned char* src = rendered_frame + rectx * 4 * y;
|
|
|
|
|
unsigned char* end = src + rectx * 4;
|
2006-02-05 19:12:25 +00:00
|
|
|
while (src != end) {
|
|
|
|
|
target[2] = src[2];
|
|
|
|
|
target[1] = src[1];
|
|
|
|
|
target[0] = src[0];
|
|
|
|
|
|
|
|
|
|
target += 3;
|
|
|
|
|
src += 4;
|
|
|
|
|
}
|
2006-10-26 23:34:44 +00:00
|
|
|
safe_write((char*)row, 3 * rectx);
|
2006-02-05 19:12:25 +00:00
|
|
|
}
|
|
|
|
|
free(row);
|
|
|
|
|
closesocket(connsock);
|
|
|
|
|
connsock = -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void append_frameserver(int frame, int *pixels, int rectx, int recty)
|
|
|
|
|
{
|
|
|
|
|
fprintf(stderr, "Serving frame: %d\n", frame);
|
|
|
|
|
if (write_ppm) {
|
|
|
|
|
serve_ppm(pixels, rectx, recty);
|
|
|
|
|
}
|
|
|
|
|
if (connsock != -1) {
|
|
|
|
|
closesocket(connsock);
|
|
|
|
|
connsock = -1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void end_frameserver()
|
|
|
|
|
{
|
|
|
|
|
if (connsock != -1) {
|
|
|
|
|
closesocket(connsock);
|
|
|
|
|
connsock = -1;
|
|
|
|
|
}
|
|
|
|
|
closesocket(sock);
|
2006-07-14 13:32:29 +00:00
|
|
|
shutdown_socket_system();
|
2006-02-05 19:12:25 +00:00
|
|
|
}
|
|
|
|
|
|
