/* Copyright (C) 2016 J.F.Dockes
* This program 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.
*
* This program 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 this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _STREAMER_H_INCLUDED_
#define _STREAMER_H_INCLUDED_
#include "workqueue.h"
#include <unordered_map>
// The audio messages which get passed between the reader and the http
// server part.
class AudioMessage {
public:
// buf is is a malloced buffer, and we take ownership. The caller
// MUST NOT free it. Bytes is data count, allocbytes is the buffer size.
AudioMessage(char *buf, size_t bytes, size_t allocbytes)
: m_bytes(bytes), m_allocbytes(allocbytes), m_buf(buf), m_curoffs(0) {
}
~AudioMessage() {
if (m_buf)
free(m_buf);
}
unsigned int m_bytes; // Useful bytes
unsigned int m_allocbytes; // buffer size
char *m_buf;
unsigned int m_curoffs; /* Used by the http data emitter */
};
class AudioSink {
public:
struct Context {
Context(WorkQueue<AudioMessage*> *q)
: queue(q), config(0), filesize(0) {
}
WorkQueue<AudioMessage*> *queue;
std::unordered_map<std::string,std::string> config;
std::string filename;
std::string content_type;
std::string ext;
off_t filesize;
};
AudioSink(void *(*w)(Context *))
: worker(w) {
}
/** Worker routine for fetching bufs from the rcvqueue and sending them
* further. The param is actually an AudioSink::Context */
void *(*worker)(Context *);
};
extern AudioSink httpAudioSink;
#endif /* _STREAMER_H_INCLUDED_ */