src/raop_buffer.h

   1 #ifndef RAOP_BUFFER_H
   2 #define RAOP_BUFFER_H
   3
   4 typedef struct raop_buffer_s raop_buffer_t;
   5
   6 /* From ALACMagicCookieDescription.txt at http://http://alac.macosforge.org/ */
   7 typedef struct {
   8         unsigned int frameLength;
   9         unsigned char compatibleVersion;
  10         unsigned char bitDepth;
  11         unsigned char pb;
  12         unsigned char mb;
  13         unsigned char kb;
  14         unsigned char numChannels;
  15         unsigned short maxRun;
  16         unsigned int maxFrameBytes;
  17         unsigned int avgBitRate;
  18         unsigned int sampleRate;
  19 } ALACSpecificConfig;
  20
  21 typedef int (*raop_resend_cb_t)(void *opaque, unsigned short seqno, unsigned short count);
  22
  23 raop_buffer_t *raop_buffer_init(const char *fmtp,
  24                                 const unsigned char *aeskey,
  25                                 const unsigned char *aesiv);
  26
  27 const ALACSpecificConfig *raop_buffer_get_config(raop_buffer_t *raop_buffer);
  28 int raop_buffer_queue(raop_buffer_t *raop_buffer, unsigned char *data, unsigned short datalen, int use_seqnum);
  29 const void *raop_buffer_dequeue(raop_buffer_t *raop_buffer, int *length, int no_resend);
  30 void raop_buffer_handle_resends(raop_buffer_t *raop_buffer, raop_resend_cb_t resend_cb, void *opaque);
  31 void raop_buffer_flush(raop_buffer_t *raop_buffer, int next_seq);
  32
  33 void raop_buffer_destroy(raop_buffer_t *raop_buffer);
  34
  35 #endif