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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* mov_encoder.cc
*
* Sat Feb 19 14:13:19 CET 2005
* Copyright 2005 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 "mov_encoder.h"
#include <errno.h>
// For nice
#include <unistd.h>
#include "miav_config.h"
#include "debug.h"
MovEncoder::MovEncoder(volatile bool *r, sem_t *r_sem,
FrameVectorQueue *in, sem_t *in_sem, pthread_mutex_t *in_mutex,
FramePriorityQueue *v_out, pthread_mutex_t *v_out_mutex, sem_t *v_out_sem,
FramePriorityQueue *a_out, pthread_mutex_t *a_out_mutex, sem_t *a_out_sem,
Info *i)
{
info = i;
info->info("MovEncoder");
running = r;
// Queues
inputqueue = in;
video_outputqueue = v_out;
audio_outputqueue = a_out;
// Queue mutexes
input_mutex = in_mutex;
video_output_mutex = v_out_mutex;
audio_output_mutex = a_out_mutex;
input_sem = in_sem;
video_output_sem = v_out_sem;
audio_output_sem = a_out_sem;
read_sem = r_sem;
}
MovEncoder::~MovEncoder()
{
info->info("~MovEncoder");
}
// this runs in a thread
void MovEncoder::thread_main()
{
info->info("MovEncoder::run");
// static volatile int test = 0;
int v_outsize = 0;
int a_outsize = 0;
int insize = 0;
// Run with slightly lower priority than MovEncoderWriter AND AudioEncoder
nice(2);
FrameVector *item;
Frame *in_frame;
Frame *out_v_frame;
Frame *out_a_frame;
LibFAMEWrapper fame(info);
// Process until running == false and the queue is empty
while(*running) {
sem_wait(input_sem);
// Lock inout mutex
pthread_mutex_lock(input_mutex);
item = inputqueue->front();
inputqueue->pop();
insize = inputqueue->size();
pthread_mutex_unlock(input_mutex);
// Unlock input mutex
if(item) {
for(unsigned int cnt = 0; cnt < item->size(); cnt++) {
in_frame = item->at(cnt);
// Check for end of stream
if(in_frame->endOfFrameStream == true) {
info->info("endOfFrameStream in MovEncoder");
// Signal to stop running
*running = false;
// Kick them sleepy ones so they get the message.
int threads = config->readInt("encoding_threads");
for(int cnt = 0; cnt < threads; cnt++) sem_post(input_sem);
}
// Encode video
out_v_frame = fame.encode(in_frame);
out_v_frame->number = in_frame->number;
out_v_frame->endOfFrameStream = in_frame->endOfFrameStream;
// Create audio frame
out_a_frame = in_frame;
// Lock output mutex
pthread_mutex_lock(video_output_mutex);
video_outputqueue->push(out_v_frame);
v_outsize = video_outputqueue->size();
pthread_mutex_unlock(video_output_mutex);
// Unlock output mutex
// Kick multiplexer (video)
sem_post(video_output_sem);
// Lock output mutex
pthread_mutex_lock(audio_output_mutex);
audio_outputqueue->push(out_a_frame);
a_outsize = audio_outputqueue->size();
pthread_mutex_unlock(audio_output_mutex);
// Unlock output mutex
// Kick audio encoder
sem_post(audio_output_sem);
}
delete item;
item = NULL;
// Kick reader
sem_post(read_sem);
}
}
/*
info->info("Input pool size: %d, video output pool size: %d, audio output pool size: %d",
insize, v_outsize, a_outsize);
*/
// Kick audio encoder
sem_post(audio_output_sem);
// Kick multiplexer (video)
sem_post(video_output_sem);
info->info("MovEncoder::stop");
}
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