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@69:65665afbad5d, 2014-11-12 (annotated)

Committer:
klauss
Date:
Wed Nov 12 13:25:54 2014 +0000
Revision:
69:65665afbad5d
Parent:
60:b4ec6beb3be3
Child:
74:81c47fff88a5
versao em re-valida??o a priori, os dados de audio est?o se perdendo

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 0:4d17cd9c8f9d 9 #ifndef _RTPBUF_H
klauss 0:4d17cd9c8f9d 10 #define _RTPBUF_H
klauss 0:4d17cd9c8f9d 11
klauss 0:4d17cd9c8f9d 12 #include <stdint.h>
klauss 60:b4ec6beb3be3 13 #include "debug.h"
klauss 0:4d17cd9c8f9d 14
klauss 69:65665afbad5d 15 #define RTPBUF_PKGSIZE 240
klauss 69:65665afbad5d 16 ///< 30ms @ 8Ksamples/sec
klauss 69:65665afbad5d 17 #define RTPBUF_BUFSIZE 320
klauss 69:65665afbad5d 18 ///< 40ms @ 8Ksamples/sec
klauss 0:4d17cd9c8f9d 19
klauss 0:4d17cd9c8f9d 20 #if (RTPBUF_PKGSIZE & 0x03)
klauss 0:4d17cd9c8f9d 21 # error OPS... value forbidden
klauss 0:4d17cd9c8f9d 22 #endif
klauss 0:4d17cd9c8f9d 23 #if (RTPBUF_BUFSIZE & 0x03)
klauss 0:4d17cd9c8f9d 24 # error OPS... value forbidden
klauss 0:4d17cd9c8f9d 25 #endif
klauss 0:4d17cd9c8f9d 26
klauss 0:4d17cd9c8f9d 27 struct rtpbuf {
klauss 0:4d17cd9c8f9d 28 uint32_t b[ RTPBUF_BUFSIZE>>2 ];
klauss 69:65665afbad5d 29 ///< A fila de audio.
klauss 69:65665afbad5d 30 int size;
klauss 69:65665afbad5d 31 ///< Representa o tamanho da fila.
klauss 0:4d17cd9c8f9d 32 };
klauss 0:4d17cd9c8f9d 33 typedef struct rtpbuf rtpbuf_t;
klauss 0:4d17cd9c8f9d 34
klauss 69:65665afbad5d 35 /** clear the buffer, useful at the start of a new phone call
klauss 69:65665afbad5d 36 */
klauss 0:4d17cd9c8f9d 37 void rtpbuf_clear (rtpbuf_t * self);
klauss 0:4d17cd9c8f9d 38
klauss 69:65665afbad5d 39 /** use this function to put audio into the fifo
klauss 69:65665afbad5d 40 */
klauss 0:4d17cd9c8f9d 41 void rtpbuf_put (rtpbuf_t * self, int size, uint8_t * data);
klauss 0:4d17cd9c8f9d 42
klauss 69:65665afbad5d 43 /** use this function to check if there is audio available
klauss 0:4d17cd9c8f9d 44 * returns NULL if there is no audio available
klauss 69:65665afbad5d 45 * or returns a pointer to the audio package
klauss 69:65665afbad5d 46 */
klauss 0:4d17cd9c8f9d 47 uint8_t * rtpbuf_get (rtpbuf_t * self);
klauss 0:4d17cd9c8f9d 48
klauss 69:65665afbad5d 49 /**
klauss 69:65665afbad5d 50 * use this function to tell rtpbuf that you already consumed
klauss 69:65665afbad5d 51 * the data supplied by rtpbuf_get()
klauss 69:65665afbad5d 52 */
klauss 0:4d17cd9c8f9d 53 void rtpbuf_next (rtpbuf_t * self);
klauss 0:4d17cd9c8f9d 54
klauss 0:4d17cd9c8f9d 55 #endif