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/*
* ofxMovieExporter.h
*
* Copyright (c) 2011, Neil Mendoza, http://www.neilmendoza.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of 16b.it nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
//#pragma once
#include <unordered_map>
#include <deque>
#include <math.h>
#include <memory>
#include "Poco/Net/HTTPServer.h"
#include "Poco/Net/HTTPResponse.h"
#include "Poco/UUID.h"
#include "Poco/UUIDGenerator.h"
#include "Poco/Notification.h"
#include "Poco/NotificationCenter.h"
#include "Poco/Observer.h"
#include "Poco/ThreadPool.h"
#include "Poco/Thread.h"
#include "Poco/Task.h"
#include "Poco/Runnable.h"
#include "Poco/Mutex.h"
#include "Poco/Random.h"
#include "Poco/AutoPtr.h"
#include "Poco/File.h"
#include "xmlIO.h"
//#define _THREAD_CAPTURE
#include <string>
#include <iostream>
/*
#include "ofMain.h"
// needed for gcc on win
#ifdef TARGET_WIN32
#ifndef INT64_C
#define INT64_C(c) (c ## LL)
#define UINT64_C(c) (c ## ULL)
#endif
#endif
*/
//#define UINT64_C(c) (c ## ULL)
extern "C"
{
//needed both
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/mathematics.h>
//needed ofxMovieExporter
#include <libswscale/swscale.h>
//rest needed audio loader
#include <libavutil/opt.h>
#include <libavutil/channel_layout.h>
#include <libavutil/common.h>
#include <libavutil/imgutils.h>
#include <libavutil/samplefmt.h>
#include <libavutil/dict.h>
//#include <libavutil/dict.c> stops the compiler error but causes a linker error. does libavcodec need to be statically linked?
//#include <libavutil/imgutils.h>
//#include <libavutil/samplefmt.h>
//#include <libavutil/timestamp.h>
}
class ofxMovieExporter
//#ifdef _THREAD_CAPTURE
// : public ofThread
//#endif
{
public:
static const int ENCODED_FRAME_BUFFER_SIZE = 500000;
// defaults
static const int BIT_RATE = 4000000;
static const int FRAME_RATE = 25;
static const int OUT_W = 640;
static const int OUT_H = 480;
static const int INIT_QUEUE_SIZE = 50;
static const AVCodecID CODEC_ID = CODEC_ID_MPEG4;
static const std::string FILENAME_PREFIX;
static const std::string CONTAINER;
ofxMovieExporter();
~ofxMovieExporter();
// tested so far with...
// codecId = CODEC_ID_MPEG4, container = "mp4"
// codecId = CODEC_ID_MPEG2VIDEO, container = "mov"
bool setup(int outW = OUT_W, int outH = OUT_H, int bitRate = BIT_RATE, int frameRate = FRAME_RATE, AVCodecID codecId = CODEC_ID, std::string container = CONTAINER);
bool record(std::string filePrefix=FILENAME_PREFIX, std::string folderPath="");
void finishRecord();
void stop();
bool isRecording() const;
// set an external pixel source, assumes 3 Byte RGB
// also sets the recording size but does not crop to the recording area
void setPixelSource(unsigned char* pixels, int w, int h);
// get the number files that have been captured so far
int getNumCaptures();
// reset the filename counter back to 0
void resetNumCaptures();
// get the recording size
inline int getRecordingWidth() {return outW;}
inline int getRecordingHeight() {return outH;}
void encodeFrame(unsigned char *pixels,int w,int h);
private:
//#ifdef _THREAD_CAPTURE
// void threadedFunction();
// deque<unsigned char*> frameQueue;
// deque<unsigned char*> frameMem;
// ofMutex frameQueueMutex;
// ofMutex frameMemMutex;
//#endif
void initEncoder();
void allocateMemory();
void clearMemory();
void encodeFrame();
std::string container;
AVCodecID codecId;
bool recording;
int numCaptures;
int frameRate;
int bitRate;
float frameInterval;
float lastFrameTime;
int frameNum;
std::string outFileName;
AVOutputFormat* outputFormat;
AVFormatContext* formatCtx;
AVStream* videoStream;
AVCodec* codec;
AVCodecContext* codecCtx;
SwsContext* convertCtx;
unsigned char* inPixels;
unsigned char* outPixels;
unsigned char* encodedBuf;
AVFrame* inFrame;
AVFrame* outFrame;
int posX, posY;
int inW, inH;
int outW, outH;
bool usePixelSource;
unsigned char* pixelSource;
};
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