** **
\*****************************************************************************/
+/* this test produces a test tone to test gaps in audio stream */
+//#define SEAMLESS_TEST
+
+#define QUEUE_BUFFER_SIZE 8192 /* must be the power of two */
+#define QUEUE_BUFFER_MAX 4096 /* half of size */
struct bchannel {
struct bchannel *next;
struct chan_call *call; /* link to call process */
- unsigned long handle; /* handle for stack id */
+ unsigned int handle; /* handle for stack id */
int b_sock; /* socket for b-channel */
+ struct lcr_fd lcr_fd; /* socket register */
+ int b_mode; /* dsp, raw, dsphdlc */
int b_state;
int b_txdata;
int b_delay;
int b_tx_dejitter;
int b_tx_gain, b_rx_gain;
char b_pipeline[256];
- unsigned long b_conf;
+ unsigned int b_conf;
int b_echo;
int b_tone;
int b_rxoff;
// int b_txmix;
int b_dtmf;
- int b_crypt_len;
- int b_crypt_type;
- unsigned char b_crypt_key[128];
-
- void (*rx_data)(struct bchannel *bchannel, unsigned char *data, int len);
- void (*rx_dtmf)(struct bchannel *bchannel, char tone);
+ int b_bf_len;
+ unsigned char b_bf_key[128];
+ int nodsp_queue; /* enables nodsp_queue_buffer */
+ unsigned char nodsp_queue_buffer[QUEUE_BUFFER_SIZE];
+ /* buffer for seamless transmission */
+ unsigned int nodsp_queue_in, nodsp_queue_out;
+ /* in and out pointers */
+ int queue_sent; /* data for mISDN was not confrmed yet */
+#ifdef SEAMLESS_TEST
+ int test;
+#endif
};
int bchannel_initialize(void);
void bchannel_deinitialize(void);
-int bchannel_create(struct bchannel *channel);
+void bchannel_destroy(struct bchannel *bchannel);
+int bchannel_create(struct bchannel *channel, int mode, int queue);
void bchannel_activate(struct bchannel *channel, int activate);
void bchannel_transmit(struct bchannel *channel, unsigned char *data, int len);
void bchannel_join(struct bchannel *channel, unsigned short id);
-int bchannel_handle(void);
-struct bchannel *find_bchannel_handle(unsigned long handle);
-//struct bchannel *find_bchannel_ref(unsigned long ref);
-struct bchannel *alloc_bchannel(unsigned long handle);
+void bchannel_dtmf(struct bchannel *channel, int on);
+void bchannel_blowfish(struct bchannel *bchannel, unsigned char *key, int len);
+void bchannel_pipeline(struct bchannel *bchannel, char *pipeline);
+void bchannel_gain(struct bchannel *bchannel, int gain, int tx);
+struct bchannel *find_bchannel_handle(unsigned int handle);
+//struct bchannel *find_bchannel_ref(unsigned int ref);
+struct bchannel *alloc_bchannel(unsigned int handle);
void free_bchannel(struct bchannel *channel);