common.h

#ifndef _AX_AUDIO_COMMON_H_
#define _AX_AUDIO_COMMON_H_

#include <axaudio.h>

#define MDP_REPLY_OK "OK"
#define MDP_REQUEST_OPEN "OPEN"
#define MDP_REQUEST_CLOSE "CLOSE"
#define MDP_REQUEST_PULL "PULL"
#define MDP_REPLY_LENGTH 16
#define MDP_REQ_LENGTH 1024

#ifdef DEBUG
#define D(x) x
#else
#define D(x)
#endif

/* uses comma operator, eval from left to right,
 * return right-most expression.
 * Purpose: return 'type' and increment pointer by sizeof (type)
 */
#define MDP_HEADER_READ(header, type) \
    (header += sizeof (type), *((type *)(header - sizeof (type))))

gboolean
ax_audio_connect(AXAudioStream *stream, const gchar *media_type,
                 const gchar *media_props);

AXAudioFrame*
read_audio_frame(const AXAudioStream *audio_instance);

#endif /* _AX_AUDIO_COMMON_H_ */