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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(sem_t *r_sem,
FrameVectorQueue *in, sem_t *in_sem, pthread_mutex_t *in_mutex,
FramePriorityQueue *out, sem_t *out_sem, pthread_mutex_t *out_mutex,
Info *i)
{
info = i;
info->info("MovEncoder");
running = true;
inputqueue = in;
outputqueue = out;
input_sem = in_sem;
output_sem = out_sem;
read_sem = r_sem;
input_mutex = in_mutex;
output_mutex = out_mutex;
}
MovEncoder::~MovEncoder()
{
info->info("~MovEncoder");
}
//#define COPY_DV 1
// this runs in a thread
void MovEncoder::thread_main()
{
info->info("MovEncoder thread is running.");
static volatile int test = 0;
int outsize = 0;
int insize = 0;
// Run with slightly lower priority than MovEncoderWriter
nice(1);
FrameVector *item;
Frame *in_frame;
Frame *out_v_frame;
Frame *out_a_frame;
LibFAMEWrapper fame(info);
// LibLAMEWrapper lame(info);
while(running) {
sem_wait(input_sem);
// Make a new instance for every frame sequence (usually 5) to ensure no
// frame dependencies are broken when running multithreaded.
LibLAMEWrapper lame(info);
// 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);
#ifdef COPY_DV
// Encode video
out_v_frame = new Frame(in_frame->data, in_frame->size);
out_v_frame->number = in_frame->number;
// Encode audio
out_a_frame = new Frame(in_frame->data, in_frame->size);
out_a_frame->number = in_frame->number + 1;
#else /*COPY_DV*/
// Encode video
out_v_frame = fame.encode(in_frame);
out_v_frame->number = in_frame->number;
// Encode audio
out_a_frame = lame.encode(in_frame);
out_a_frame->number = in_frame->number + 1;
#endif /*COPY_DV*/
delete in_frame;
// Lock output mutex
pthread_mutex_lock(output_mutex);
outputqueue->push(out_v_frame);
outputqueue->push(out_a_frame);
outsize = outputqueue->size();
pthread_mutex_unlock(output_mutex);
// Unlock output mutex
}
delete item;
test++;
if(test % (25 * 24) == 0) info->info("Input pool size: %d, output pool size: %d", insize, outsize);
// Kick frame writer
sem_post(output_sem);
// Kick reader
sem_post(read_sem);
}
}
info->info("MovEncoder thread has stopped.");
}
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