VZTECH / Mbed 2 deprecated main_src

Modularizando o src

Dependencies:   EALib EthernetInterface_vz mbed-rtos mbed

Fork of header_main_colinas_V0-20-09-14 by VZTECH

rtpbuf.h@121:ee02790d00b7, 2015-05-08 (annotated)

Committer:
klauss
Date:
Fri May 08 04:15:23 2015 +0000
Revision:
121:ee02790d00b7
Parent:
74:81c47fff88a5 
compiling

Who changed what in which revision?

UserRevisionLine numberNew contents of line
klauss 69:65665afbad5d 1 /**
klauss 69:65665afbad5d 2 * @file rtpbuf.h
klauss 69:65665afbad5d 3 * @Synopsis Implementa funcionalidades de conversão entre u-law e a-law
klauss 69:65665afbad5d 4 * @author Jhonatan Casale / PedroZN
klauss 69:65665afbad5d 5 * @version 1
klauss 69:65665afbad5d 6 * @date 2014-11-05
klauss 69:65665afbad5d 7 * \note IMPORTANT: sizes must be multiple of 4
klauss 69:65665afbad5d 8 */
klauss 121:ee02790d00b7 9 #ifndef __RTPBUF_H__
klauss 121:ee02790d00b7 10 #define __RTPBUF_H__
klauss 0:4d17cd9c8f9d 11
klauss 0:4d17cd9c8f9d 12 #include <stdint.h>
klauss 121:ee02790d00b7 13 #include <stdlib.h>
klauss 74:81c47fff88a5 14 #include "utils.h"
klauss 0:4d17cd9c8f9d 15
klauss 121:ee02790d00b7 16 const uint16_t RTPBUF_PKGSIZE = 240;
klauss 69:65665afbad5d 17 ///< 30ms @ 8Ksamples/sec
klauss 121:ee02790d00b7 18 const uint16_t RTPBUF_BUFSIZE = 320;
klauss 69:65665afbad5d 19 ///< 40ms @ 8Ksamples/sec
klauss 0:4d17cd9c8f9d 20
klauss 0:4d17cd9c8f9d 21 #if (RTPBUF_PKGSIZE & 0x03)
klauss 0:4d17cd9c8f9d 22 # error OPS... value forbidden
klauss 0:4d17cd9c8f9d 23 #endif
klauss 0:4d17cd9c8f9d 24 #if (RTPBUF_BUFSIZE & 0x03)
klauss 0:4d17cd9c8f9d 25 # error OPS... value forbidden
klauss 0:4d17cd9c8f9d 26 #endif
klauss 0:4d17cd9c8f9d 27
klauss 0:4d17cd9c8f9d 28 struct rtpbuf {
klauss 0:4d17cd9c8f9d 29 uint32_t b[ RTPBUF_BUFSIZE>>2 ];
klauss 69:65665afbad5d 30 ///< A fila de audio.
klauss 69:65665afbad5d 31 int size;
klauss 69:65665afbad5d 32 ///< Representa o tamanho da fila.
klauss 0:4d17cd9c8f9d 33 };
klauss 0:4d17cd9c8f9d 34 typedef struct rtpbuf rtpbuf_t;
klauss 0:4d17cd9c8f9d 35
klauss 69:65665afbad5d 36 /** clear the buffer, useful at the start of a new phone call
klauss 69:65665afbad5d 37 */
klauss 0:4d17cd9c8f9d 38 void rtpbuf_clear (rtpbuf_t * self);
klauss 0:4d17cd9c8f9d 39
klauss 69:65665afbad5d 40 /** use this function to put audio into the fifo
klauss 69:65665afbad5d 41 */
klauss 0:4d17cd9c8f9d 42 void rtpbuf_put (rtpbuf_t * self, int size, uint8_t * data);
klauss 0:4d17cd9c8f9d 43
klauss 69:65665afbad5d 44 /** use this function to check if there is audio available
klauss 0:4d17cd9c8f9d 45 * returns NULL if there is no audio available
klauss 69:65665afbad5d 46 * or returns a pointer to the audio package
klauss 69:65665afbad5d 47 */
klauss 0:4d17cd9c8f9d 48 uint8_t * rtpbuf_get (rtpbuf_t * self);
klauss 0:4d17cd9c8f9d 49
klauss 69:65665afbad5d 50 /**
klauss 69:65665afbad5d 51 * use this function to tell rtpbuf that you already consumed
klauss 69:65665afbad5d 52 * the data supplied by rtpbuf_get()
klauss 69:65665afbad5d 53 */
klauss 0:4d17cd9c8f9d 54 void rtpbuf_next (rtpbuf_t * self);
klauss 0:4d17cd9c8f9d 55
klauss 0:4d17cd9c8f9d 56 #endif