am_event_handler_vst_vr.cc

来自「Motorola synergy audio component」· CC 代码 · 共 193 行

/* (c) Copyright Motorola 2003, All rights reserved.
   Motorola Confidential Proprietary
   Contains confidential proprietary information of Motorola, Inc.
   Reverse engineering is prohibited.
   The copyright notice does not imply publication.

   DESCRIPTION:
      This file handles VST Voice Recognition primitive handlers.

 *************** REVISION HISTORY *********************************************

   Date       Author      Reference     Descritpion
   ========   ========    ==========    ================================
   07/15/05   aja099      LIBgg49853    Change handling of audio samples

   09/24/03   w50175      dbg           Port VST-VR feature to GSM 
  
   06/13/03   aaa063      LIBdd01040    Implementation of VST VR functionality

   05/01/03   w50175      LIBdd01040    Modify Audio Manager to accept VST VR port from CDMA T730
*/
/************** INCLUDES ******************************************************/
#include <SUAPI/suapi.h>
#include <ENGINE_AUDIO/audio_conditional_compile_def.h>
#include <ENGINE_AUDIO/memory.h>
#include <audio/AM_Event_Handler.H>
#include <SYNERGY_DEVICE_LAYER/dl_audio_auf.h>
#include <audio/AM_Device_Layer_Interface.H>
#include <ENGINE_AUDIO/aud_interface.h>
#include <ENGINE_HAPI/hapi_mdi_message_ids.h>
#include <ENGINE_HAPI/hapi_mdi_queue_map.h>
#include <ENGINE_HAPI/hapi_mdi_queue.h>
#include <ENGINE_SEEM/seem.h>
#include <seem/seem_globals.h>
#include <seem/seem_data_stream_main_task.h>
#include <audio/AM_HW_String_Primitive.H>
#include <audio/AM_HW_Primitive_Builder.H>
#include <ENGINE_AUDIO/aud_hw_stub_command_cnf.h>
#include <SYNERGY_DEVICE_LAYER/dl_ports.h>
#include <SYNERGY_DEVICE_LAYER/dl_media_auf.h>
#include <ENGINE_AUDIO/am_hw_primitive_builder_interrupt.h>

/************** LOCAL CONSTANTS ***********************************************/

/************** LOCAL STRUCTURES, ENUMS, AND TYPEDEFS *************************/

extern AM_Event_Handler * am_event_handler;

/************** LOCAL FUNCTION PROTOTYPES *************************************/

// Function to copy the data from DSP shared buffer to RAM
void TransferVSTVRFromMDItoRam(INT16 *temp_buf_ptr, INT16 *dsp_read_address);

/************** LOCAL MACROS **************************************************/
#define MCU_DSP_NUM_OF_READS 4
#define MCU_DSP_PCM_BUFFER_FIRST_READ_ADDRESS       ((INT16 *)(MDI_START + 2*0x1100))
#define MCU_DSP_PCM_BUFFER_OFFSET                   0x100
#define MCU_DSP_NUM_SAMPLES_PER_PACKET              160
#define NUM_LOOP_UNROLLS                            16

/************** LOCAL VARIABLES ***********************************************/


/************** FUNCTION DEFINITIONS ******************************************/

/*==================================================================================================
FUNCTION: handle_aud_vst_vr_recorded_data_ready_cb

DESCRIPTION:
   Access pcm and vocoder data from passed in message and pass it up to DL.

ARGUMENTS PASSED:
   incoming VR primitive

RETURN VALUE:
   None

RETURN MESSAGE:
   None

PRE-CONDITIONS:
   None

POST-CONDITIONS:
   None

IMPORTANT NOTES:
   This Event was posted within the Audio Manager when the GINT occurs to offload the interupt's
   processing time.
==================================================================================================*/
void AM_Event_Handler::handle_aud_vst_vr_recorded_data_ready_req (void *msg)
{
    SU_PORT_HANDLE dest_phandle = (SU_PORT_HANDLE)suFindName( DL_PORT_NAME_MEDIA_VR_SP,
                                                              SU_WAIT_FOREVER,
                                                              NULL);

    AUD_AUDIO_SAMPLES_READY_IND_T * msgptr = NULL;

    UINT16 idx = 0;
    //INT16 *dsp_read_address = MCU_DSP_PCM_BUFFER_FIRST_READ_ADDRESS;

    if(am_va_vr_int_info.eom == TRUE)
    {
        // reset va/vr database
        am_event_handler->am_event_va_vr_server.set_command(AM_VA_VR_DO_NOTHING_CMD);

        // disable VA recording command
        am_event_handler->am_event_logic_processor.disable_va_vr_command(DL_AUDIO_TONE_TYPE_VA_RECORD);

        // Send a return message indicating that recording is now off
        Send2DeviceLayer_AUD_VA_Command_Cnf(TD_VA_STATUS_SUCCESS,
                                            AUD_VA_TIME_UNAVAILABLE,
                                            0);

        audVstParams.activity = AUD_VST_IDLE;
    }   
    else 
    {
        for(idx=0;idx<MCU_DSP_NUM_OF_READS;idx++,audVstParams.frame_count++)
        {
            /* Prepare to pass the PCM data pointers up to the DL */
            msgptr = (AUD_AUDIO_SAMPLES_READY_IND_T*) suCreateMessage((UINT32)sizeof(AUD_AUDIO_SAMPLES_READY_IND_T),
                                                                      (UINT32)AUD_AUDIO_SAMPLES_READY_IND_ID,
                                                                      SU_INVALID_HANDLE,
                                                                      NULL);

            /* Strip off the header info */
            memcpy(msgptr->pcm_data_buffer, &(((AUD_RECORDED_DATA_READY_REQ_T*)msg)->recorded_data[idx].pcm_buf[AM_HW_MSG_HEADER_WORD_LEN]),
                   VST_PCM_FRAME_SIZE * sizeof(UINT16));


            /* Strip off the header info */
            memcpy(msgptr->voc_data_buffer, &(((AUD_RECORDED_DATA_READY_REQ_T*)msg)->recorded_data[idx].vocoded_data_buf[AM_HW_MSG_HEADER_WORD_LEN]),
                   VST_MAX_VOCODED_DATA_FRAME_SIZE);

            /* send message */
            suSendMessage (msgptr, dest_phandle, NULL);

            /* Buffers to read are 0x1100, 0x1200, 0x1300, and 0x1400 (from the dsp viewpoint - WORDS) */
            //dsp_read_address += MCU_DSP_PCM_BUFFER_OFFSET;
        }
    }
    return;
}


/*==================================================================================================
FUNCTION: TransferVSTVRFromMDItoRam

DESCRIPTION:
   Used to copy the data from DSP shared buffer to ram.

ARGUMENTS PASSED:
   INT16 *temp_buf_ptr     - MCU address to write the PCM data to
   INT16 *dsp_read_address - DSP address to read the PCM data from

RETURN VALUE:
   None

RETURN MESSAGE:
   None

PRE-CONDITIONS:
   None

POST-CONDITIONS:
   None

IMPORTANT NOTES:
   Don't try and read a 32-bit quantity from the MDI as it only allows 16-bit accesses.
==================================================================================================*/
void TransferVSTVRFromMDItoRam(INT16 *temp_buf_ptr, INT16 *dsp_read_address)
{
    INT16 *frame_ptr;
    UINT16 i = 0;

#ifdef COPY_LOOP
#undef COPY_LOOP
#endif
#define COPY_LOOP for( i = 0; i < VST_PCM_FRAME_SIZE/NUM_LOOP_UNROLLS; i++ ) { \
    *temp_buf_ptr++ = *frame_ptr++; *temp_buf_ptr++ = *frame_ptr++; \
    *temp_buf_ptr++ = *frame_ptr++; *temp_buf_ptr++ = *frame_ptr++; \
    *temp_buf_ptr++ = *frame_ptr++; *temp_buf_ptr++ = *frame_ptr++; \
    *temp_buf_ptr++ = *frame_ptr++; *temp_buf_ptr++ = *frame_ptr++; \
    *temp_buf_ptr++ = *frame_ptr++; *temp_buf_ptr++ = *frame_ptr++; \
    *temp_buf_ptr++ = *frame_ptr++; *temp_buf_ptr++ = *frame_ptr++; \
    *temp_buf_ptr++ = *frame_ptr++; *temp_buf_ptr++ = *frame_ptr++; \
    *temp_buf_ptr++ = *frame_ptr++; *temp_buf_ptr++ = *frame_ptr++; }

    frame_ptr = dsp_read_address;
    COPY_LOOP
}