source: svn/newcon3bcm2_21bu/dta/tests/unit_test/test_capture.c @ 43

/***************************************************************************
 *     Copyright (c) 2011, Broadcom Corporation
 *     All Rights Reserved
 *     Confidential Property of Broadcom Corporation
 *
 *  THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE
 *  AGREEMENT  BETWEEN THE USER AND BROADCOM.  YOU HAVE NO RIGHT TO USE OR
 *  EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
 *
 * $brcm_Workfile: $
 * $brcm_Revision: $
 * $brcm_Date: $
 *
 * Module Description: transport capture test
 *
 * Revision History:
 *
 * $brcm_Log: $
 * 
 *
 ***************************************************************************/

#include "bstd.h"
#include "bkni.h"
#include "bdbg.h"

#include "bsettop_smessage.h"
#include "test_capture.h"

#define CAP_BUFFER_SIZE 188
/* must be power of two */
#define CAP_BLK_CNT             32
typedef struct tcap_context_t {
        smessage_stream_t msg;
        uint16_t pid;
        uint8_t cnt;
        smessage_stream_params_t params;
        uint8_t buffer[CAP_BUFFER_SIZE*CAP_BLK_CNT];
} tcap_context_t;

BDBG_MODULE(tcap);

static tcap_context_t tcap_context = {NULL, 0, 0};
uint8_t buffer[CAP_BUFFER_SIZE*CAP_BLK_CNT];
extern unsigned int menu_read_number(void);
extern void comm_dump_mem(unsigned char *buff, size_t size);

void *tcap_message_callback(void *context, size_t size)
{       
        unsigned w_idx;
        
        BDBG_ASSERT(size==CAP_BUFFER_SIZE);
        tcap_context.cnt++;
        w_idx = CAP_BUFFER_SIZE * (tcap_context.cnt % CAP_BLK_CNT);
        return (void*)&tcap_context.buffer[w_idx];
}

void tcap_parameters(void)
{
        BKNI_Printf("Enter number in decimal (1234) or hex (0x1234) format.\n");
        BKNI_Printf("PID to capture ");
        tcap_context.pid = menu_read_number();  
        BKNI_Printf("\n");
}

void tcap_start(void)
{
        if (!tcap_context.pid) {
                BKNI_Printf("PID is not configured, configure it first.\n");
                return;
        }
        if (tcap_context.msg) {
                BKNI_Printf("Capture is running now for PID 0x%04x.\n", tcap_context.params.pid);
                return;
        }

        BKNI_Printf("Start TS capture for PID 0x%04x\n", tcap_context.pid);

        tcap_context.msg = smessage_open(smessage_format_tsc);
        if (tcap_context.msg == NULL) {
                BDBG_ERR(("%s:%d", __FILE__, __LINE__));
                return;
        }

        tcap_context.cnt = 0;   
        smessage_stream_params_init(&tcap_context.params, tcap_context.msg);
        tcap_context.params.band = TUNER_BAND;
        tcap_context.params.pid = tcap_context.pid;
    tcap_context.params.pid_channel = 6;
        tcap_context.params.buffer = tcap_context.buffer;
        tcap_context.params.buffer_size = CAP_BUFFER_SIZE; /* capture one TS packet at a time */
        tcap_context.params.data_ready_callback = tcap_message_callback;
        tcap_context.params.overflow = NULL;
        tcap_context.params.callback_context = NULL;
        tcap_context.params.crc_disabled = true;

        if (b_ok != smessage_start(&tcap_context.params, tcap_context.msg)) {
                BDBG_ERR(("%s:%d", __FILE__, __LINE__));
                return;
        }       
}

void tcap_stop(void)
{
        if (tcap_context.msg) {
                if (b_ok != smessage_stop(tcap_context.msg)) {
                        BDBG_ERR(("%s:%d", __FILE__, __LINE__));
                }
                smessage_close(tcap_context.msg);
                tcap_context.msg = NULL;
        }
}

void tcap_display(void)
{
        int i;
        BKNI_Printf("Accepted TS packet : %d\n", tcap_context.cnt);
        if (tcap_context.cnt>=CAP_BLK_CNT) {
                for (i=(tcap_context.cnt%CAP_BLK_CNT); i<CAP_BLK_CNT; i++) {
                        comm_dump_mem(&tcap_context.buffer[i*CAP_BUFFER_SIZE], CAP_BUFFER_SIZE);
                        BKNI_Sleep(100);
                }
        }
        for (i=0; i<tcap_context.cnt%CAP_BLK_CNT; i++) {
                comm_dump_mem(&tcap_context.buffer[i*CAP_BUFFER_SIZE], CAP_BUFFER_SIZE);
                BKNI_Sleep(100);
        }
}