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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.
*/
/*
* $Id$
*/
/*
* $Log$
* Revision 1.24 2005/06/09 11:00:03 deva
* Added daemon code, and cleaned up using -Wall and -Werror
*
* Revision 1.23 2005/05/03 08:31:59 deva
* Removed the error object, and replaced it with a more generic info object.
*
* Revision 1.22 2005/05/01 09:56:26 deva
* Added Id and Log tags to all files
*/
#include <config.h>
#ifdef USE_GUI
#include "player.h"
// Use libdv
#include <libdv/dv.h>
#include <libdv/dv_types.h>
#include <time.h>
Player::Player(Info *ginfo,
volatile int *grunning,
sem_t *gsem,
Queue<Frame> *gqueue,
pthread_mutex_t *gmutex)
{
// No errors has ocurred... yet!
noErrors = true;
info = ginfo;
running = grunning;
sem = gsem;
queue = gqueue;
mutex = gmutex;
sem_init(&play_sem, 0, 1);
if(SDL_Init(SDL_INIT_VIDEO) < 0) {
info->error("Unable to init SDL: %s.", SDL_GetError());
noErrors = false;
return;
}
screen = SDL_SetVideoMode(DISPLAYWIDTH,
DISPLAYHEIGHT,
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.",
DISPLAYWIDTH, DISPLAYHEIGHT, SDL_GetError());
noErrors = false;
return;
}
overlay = SDL_CreateYUVOverlay(DISPLAYWIDTH,
DISPLAYHEIGHT,
SDL_YUY2_OVERLAY, // Match for the libdv decoder output
screen);
if(!overlay) {
info->error("Unable to create SDL overlay: %s.", SDL_GetError());
noErrors = false;
return;
}
}
Player::~Player()
{
SDL_FreeYUVOverlay(overlay);
SDL_Quit();
}
void Player::player()
{
SDL_Event event;
SDL_Rect rect;
Frame *frame;
int pitches[3];
struct timespec ts;
if(!noErrors) return; // FIXME: Gracefully exit...
// Setup the displayarea.
rect.x = 0;
rect.y = 0;
rect.w = DISPLAYWIDTH;
rect.h = DISPLAYHEIGHT;
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(!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;
}
SDL_LockYUVOverlay(overlay);
// libdv img decode to yuv
dv_decode_full_frame(decoder,
frame->data,
e_dv_color_yuv,
overlay->pixels,
pitches);
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);
/* 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::run()
{
player();
fprintf(stderr, "Player thread stopped.\n"); fflush(stderr);
}
void Player::start()
{
sem_post(&play_sem);
}
void Player::stop()
{
sem_wait(&play_sem);
}
#endif /* USE_GUI */
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