/* Copyright (C) 2014 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 _RCVQUEUE_H_INCLUDED_
#define _RCVQUEUE_H_INCLUDED_
#include "workqueue.h"
/** The audio messages which get passed between the songcast receiver
* and the http server part. We could probably use
* ohSongcast own audio messages, but I prefer to stop the custom type
* nonsense asap.
*/
class AudioMessage {
public:
// If buf is not 0, it is a malloced buffer, and we take
// ownership. The caller MUST NOT free it. Its size must be at
// least (bits/8) * chans * samples
AudioMessage(unsigned int bits, unsigned int channels, unsigned int samples,
unsigned int sampfreq, char *buf = 0)
: m_bits(bits), m_chans(channels), m_freq(sampfreq),
m_bytes(buf ? (bits/8) * channels * samples : 0), m_buf(buf),
m_curoffs(0) {
}
~AudioMessage() {
if (m_buf)
free(m_buf);
}
unsigned int m_bits;
unsigned int m_chans;
unsigned int m_freq;
unsigned int m_bytes;
char *m_buf;
unsigned int m_curoffs; /* Used by the http data emitter */
};
extern WorkQueue<AudioMessage*> audioqueue;
/** Worker routine for fetching bufs from the rcvqueue and making them
* available to HTTP. the param is actually an AudioEaterContext */
extern void *audioEater(void *);
struct AudioEaterContext {
AudioEaterContext(int p = 0) : port(p) {}
int port;
};
#endif /* _RCVQUEUE_H_INCLUDED_ */