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authordeva <deva>2006-03-04 14:53:17 +0000
committerdeva <deva>2006-03-04 14:53:17 +0000
commitf02095ee5ceb78f1781a9e250693b8866ca42181 (patch)
tree7953c6b5f004f31ee9b340d7cdff5e85890594fc /client/player.cc
parent71c713dce2b5128862b293aa7fcc1d7ee89ffaf1 (diff)
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Diffstat (limited to 'client/player.cc')
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diff --git a/client/player.cc b/client/player.cc
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * plsyer.cc
+ *
+ * Wed Nov 3 21:23:14 CET 2004
+ * Copyright 2004 Bent Bisballe
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * Originally from:
+ * RTVideoRec Realtime video recoder and encoder for Linux
+ *
+ * Copyright (C) 2004 B. Stultiens
+ * Copyright (C) 2004 Koen Otter and Glenn van der Meyden
+ */
+
+/*
+ * This file is part of MIaV.
+ *
+ * MIaV is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MIaV is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MIaV; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include <config.h>
+#ifdef USE_GUI
+
+#include "player.h"
+
+// Use libdv
+#include <libdv/dv.h>
+#include <libdv/dv_types.h>
+
+#include <time.h>
+
+// For sleep
+#include <unistd.h>
+
+Player::Player(Info *ginfo,
+ int w, int h,
+ volatile int *grunning,
+ sem_t *gsem,
+ Queue<Frame> *gqueue,
+ pthread_mutex_t *gmutex)
+{
+ // No errors has ocurred... yet!
+ noErrors = true;
+
+ yuv_draw = new YUVDraw();
+
+ width = w;
+ height = h;
+
+ info = ginfo;
+
+ running = grunning;
+ sem = gsem;
+ queue = gqueue;
+ mutex = gmutex;
+
+ sem_init(&play_sem, 0, 1);
+
+ initSDL();
+
+ bypass = false;
+
+ // Do not show the text
+ showtext = false;
+ recording = false;
+ recording_prev = !recording;
+ cprchanged = false;
+
+ muted = false;
+ muted_prev = !muted;
+}
+
+Player::~Player()
+{
+ deinitSDL();
+ if(yuv_draw) delete yuv_draw;
+}
+
+void Player::reinitSDL()
+{
+ deinitSDL();
+ initSDL();
+}
+
+void Player::deinitSDL()
+{
+ SDL_FreeYUVOverlay(overlay);
+ SDL_Quit();
+}
+
+void Player::initSDL()
+{
+ if(SDL_Init(SDL_INIT_VIDEO) < 0) {
+ info->error("Unable to init SDL: %s.", SDL_GetError());
+ noErrors = false;
+ printf("failed!\n");
+ return;
+ }
+
+ screen = SDL_SetVideoMode(width,
+ height,
+ 0, // 0 bpp means 'use current display depth'
+ SDL_HWSURFACE |
+ SDL_ANYFORMAT |
+ SDL_HWACCEL );
+
+ if(!screen) {
+ info->error("Unable to set %dx%d video: %s.",
+ 720, 576, SDL_GetError());
+ noErrors = false;
+ printf("failed!\n");
+ return;
+ }
+
+ overlay = SDL_CreateYUVOverlay(720,
+ 576,
+ SDL_YUY2_OVERLAY, // Match for the libdv decoder output
+ screen);
+ if(!overlay) {
+ info->error("Unable to create SDL overlay: %s.", SDL_GetError());
+ noErrors = false;
+ printf("failed!\n");
+ return;
+ }
+
+ // Setup the displayarea.
+ rect.x = 0;
+ rect.y = 0;
+ rect.w = width;
+ rect.h = height;
+
+ yuv_draw->setOverlay(overlay);
+}
+
+void Player::player()
+{
+ SDL_Event event;
+ Frame *frame;
+
+ int pitches[3];
+
+ if(!noErrors) return; // FIXME: Gracefully exit...
+
+ bool first = true;
+ dv_decoder_t *decoder = dv_decoder_new(FALSE/*this value is unused*/, FALSE, FALSE);
+ decoder->quality = DV_QUALITY_BEST;
+
+ while(*running) {
+ // Wait for the semaphore to be free... then run
+ sem_wait(&play_sem);
+ sem_post(&play_sem);
+
+ if(bypass) continue;
+
+ if(!SDL_WaitEvent(&event)) break; // FIXME: Gracefully exit...
+
+ switch(event.type) {
+ case SDL_KEYDOWN:
+ switch(event.key.keysym.sym) {
+ case SDLK_q:
+ case SDLK_ESCAPE:
+ goto quitit;
+ default:
+ break;
+ }
+ break;
+
+ case SDL_USEREVENT:
+ frame = queue->pop();
+ if(!frame) break;
+
+ if(first) {
+ pitches[0] = overlay->pitches[0];
+ pitches[1] = overlay->pitches[1];
+ pitches[2] = overlay->pitches[2];
+
+ dv_parse_header(decoder, frame->data);
+ //dv_parse_packs(decoder, frame->data); // Not needed anyway!
+
+ decoder->system = e_dv_system_625_50; // PAL lines, PAL framerate
+ decoder->sampling = e_dv_sample_422; // 4 bytes y, 2 bytes u, 2 bytes v
+ decoder->std = e_dv_std_iec_61834;
+ decoder->num_dif_seqs = 12;
+ first = false;
+ }
+
+ if(SDL_LockYUVOverlay(overlay) == -1) info->error("SDL_LockYUVOverlay failed.");
+
+ // libdv img decode to yuv
+ dv_decode_full_frame(decoder,
+ frame->data,
+ e_dv_color_yuv,
+ overlay->pixels,
+ pitches);
+
+ // Set status text
+ // if(muted != muted_prev) {
+ yuv_draw->mute(muted);
+ // muted_prev = muted;
+ // }
+ if(recording != recording_prev) {
+ if(recording) yuv_draw->setTopText(TEXT_RECORDING);
+ else yuv_draw->setTopText(TEXT_STOPPED);
+ recording_prev = recording;
+ }
+
+ // Draw overlaytext (if enabled)
+ if(showtext) {
+ if(cprchanged) {
+ yuv_draw->setBottomText(cpr);
+ cprchanged = false;
+ }
+ yuv_draw->draw();
+ }
+
+ SDL_UnlockYUVOverlay(overlay);
+ SDL_DisplayYUVOverlay(overlay, &rect);
+ delete frame;
+ break;
+
+ case SDL_QUIT:
+ quitit:
+ *running = 0;
+ break;
+
+ default:
+ break;
+ }
+ }
+ if(decoder) dv_decoder_free(decoder);
+
+ struct timespec ts;
+
+ /* Remove any late buffer */
+ /* We don't care, the encoder finishes them all */
+ ts.tv_sec = 0;
+ ts.tv_nsec = 100000000L; // 100ms
+ nanosleep(&ts, NULL);
+
+ frame = queue->pop();
+ if(frame) delete frame;
+}
+
+void Player::thread_main()
+{
+ player();
+ fprintf(stderr, "Player thread stopped.\n"); fflush(stderr);
+}
+
+void Player::start()
+{
+ sem_post(&play_sem);
+}
+
+void Player::stop()
+{
+ sem_wait(&play_sem);
+}
+
+// FIXME: Worst case genario: the loop takes more than 1 second
+// to stop displaying => crash, due to deinitialization
+// of SDL, while calling it.!
+void Player::resize(int w, int h, bool s)
+{
+ // Tell loop to stop
+ bypass = true;
+
+ // Wait to ensure the current frame is done being displayed
+ sleep(1);
+
+ // Deinitialize SDL
+ deinitSDL();
+
+ // Set new size
+ width = w;
+ height = h;
+
+ // Initialize SDL
+ initSDL();
+
+ // Tell loop to go on.
+ bypass = false;
+
+ showtext = s;
+}
+
+void Player::setCpr(char *newcpr, char* name)
+{
+ sprintf(cpr, "ID: %s - %s", newcpr, name);
+ cprchanged = true;
+}
+
+void Player::startrecord()
+{
+ recording = true;
+}
+
+void Player::stoprecord()
+{
+ recording = false;
+}
+
+void Player::setMute(bool m)
+{
+ muted = m;
+}
+
+#endif /* USE_GUI */