/*
** Function for releasing/stopping HTTP server
**
** IN:
** uint32_t server_h - server handle
**
** OUT:
** none
**
** Return Value:
** uint32_t error code. HTTPSRV_OK if everything went right, positive number otherwise
*/
uint32_t HTTPSRV_release(uint32_t server_h)
{
HTTPSRV_STRUCT* server = (void *) server_h;
RTCS_ASSERT(server != NULL);
if (server == NULL)
{
return((uint32_t)RTCS_ERROR);
}
/* Shutdown server task and wait for its termination. */
if (server->sock_v4)
{
shutdownsocket(server->sock_v4, SHUT_RDWR);
}
if (server->sock_v6)
{
shutdownsocket(server->sock_v6, SHUT_RDWR);
}
while(server->server_tid)
{
_sched_yield();
}
_mem_free(server);
return(RTCS_OK);
}
static int iopoll(int sofar)
{
/* Ought to be a core helper for this lot ? */
if (need_reschedule())
_sched_yield();
if (chksigs()) {
if (sofar)
return sofar;
udata.u_error = EINTR;
return -1;
}
return 0;
}
static uint8_t iopoll(void)
{
/* Ought to be a core helper for this lot ? */
if (need_reschedule())
_sched_yield();
if (chksigs()) {
if (!udata.u_done) {
udata.u_error = EINTR;
udata.u_done = (usize_t)-1;
}
return 1;
}
return 0;
}
/*
* Close sockets, release memory, etc.
*/
int32_t ftpsrv_destroy_server(FTPSRV_STRUCT* server)
{
uint32_t n = 0;
bool wait = FALSE;
if (server->sock_v4)
{
closesocket(server->sock_v4);
}
if (server->sock_v6)
{
closesocket(server->sock_v6);
}
/* Invalidate sessions (this is signal for session tasks to end them) */
while(n < server->params.max_ses)
{
if (server->session[n])
{
server->session[n]->connected = FALSE;
}
n++;
}
/* Wait until all session tasks end */
do
{
wait = FALSE;
for (n = 0; n < server->params.max_ses; n++)
{
if (server->ses_tid[n])
{
wait = TRUE;
}
}
_sched_yield();
}while(wait);
_lwsem_destroy(&server->tid_sem);
/* Free memory */
_mem_free(server->ses_tid);
server->ses_tid = NULL;
_mem_free(server->session);
server->session = NULL;
if (server->params.root_dir)
{
_mem_free(server->params.root_dir);
}
return(RTCS_OK);
}
/*
* Terminate connection to remote host, close handles, free memory.
*/
uint32_t TELNETCLN_disconnect(uint32_t handle)
{
TELNETCLN_CONTEXT *context;
context = (TELNETCLN_CONTEXT *) handle;
if (context->valid != TELNETCLN_CONTEXT_VALID)
{
return((uint32_t) RTCS_ERROR);
}
context->valid = 0;
while ((context->tx_tid != 0) && (context->rx_tid != 0))
{
_sched_yield();
}
_mem_free(context);
return(RTCS_OK);
}
static void ftpsrv_session_task(void* init_ptr, void* creator)
{
FTPSRV_SESSION_STRUCT* session;
FTPSRV_STRUCT* server = ((FTPSRV_SESSION_PARAM*) init_ptr)->server;
uint32_t sock = ((FTPSRV_SESSION_PARAM*) init_ptr)->sock;
uint32_t i;
_task_id tid = _task_get_id();
_mqx_uint retval = 0;
/* Find empty session */
_lwsem_wait(&server->tid_sem);
for (i = 0; i < server->params.max_ses; i++)
{
if (server->session[i] == NULL)
{
break;
}
}
if (i == server->params.max_ses)
{
RTCS_task_resume_creator(creator, (uint32_t) RTCS_ERROR);
_lwsem_post(&server->tid_sem);
_lwsem_post(&server->ses_cnt);
return;
}
/* Save task ID - used for indication of running task */
server->ses_tid[i] = tid;
/* Access to array done. Unblock other tasks. */
_lwsem_post(&server->tid_sem);
/* Allocate session */
session = ftpsrv_ses_alloc(server);
if (session)
{
server->session[i] = session;
RTCS_task_resume_creator(creator, RTCS_OK);
ftpsrv_ses_init(server, session, sock);
ftpsrv_send_msg(session, ftpsrvmsg_banner);
/* Read and process commands */
while (session->connected)
{
if (ftpsrv_read_cmd(session) != FTPSRV_OK)
{
_mem_zero(session->buffer, FTPSRV_BUF_SIZE);
continue;
}
ftpsrv_process_cmd(session);
_sched_yield();
}
/* cleanup session */
ftpsrv_ses_close(session);
ftpsrv_ses_free(session);
server->session[i] = NULL;
}
else
{
RTCS_task_resume_creator(creator, (uint32_t) RTCS_ERROR);
}
/* Cleanup and end task */
_lwsem_post(&server->ses_cnt);
/* Null tid => task is no longer running */
_lwsem_wait(&server->tid_sem);
server->ses_tid[i] = 0;
_lwsem_post(&server->tid_sem);
}
void local_player_task(uint_32 para)
{
_mqx_int return_code, res;
my_audio_format_t format;
FILE_PTR stream_ptr = NULL, stream_ptr1 = NULL; //device_ptr = NULL,
uint_32 mclk_freq, fs_freq, bit_width = 0;
I2S_STATISTICS_STRUCT stats;
int32_t numberOfSamples =0, sampleProduced, bufOut;
file_meta_data_t * metadata = NULL;
audio_stream_type_t stream_type;
char_ptr mem_ptr = NULL;
boolean shell_cmd = FALSE;
CCI_Ctx ctx;
int32_t strLen, i;
uint32_t file_extension=0;
_task_id pcm_flush_id = MQX_NULL_TASK_ID;
uint_32 cnt = 0;
int32_t max_audio_buf_size = 0;
lp_param_t * lpp_param = (lp_param_t *)para;
TASK_TEMPLATE_STRUCT task_template;
printf("local_player_task.. Enter 1\n");
if (msi_snd_init_with_periodbuffer(1024, 18) != 0) /* for SPI sd card play FLAC, 18K buffer is at least! */
{
LOCALPLAY_LOG(" Error: Unable to open the device \"%s\".\n",
AUDIO_DIVECE_NAME_STR);
return;
}
/* create semaphore must before pcm_flush_task */
if(MQX_OK != _lwsem_create(&pcm_decoded_sem, 0))
{
LOCALPLAY_LOG("\n Error - Unable to creat lwsem: pcm_decoded_sem\n");
}
LOCALPLAY_LOG("Creating pcm flush task.........\n");
task_template.TASK_TEMPLATE_INDEX = 0;
task_template.TASK_ADDRESS = pcm_flush_task;
task_template.TASK_STACKSIZE = 2000;
task_template.TASK_PRIORITY = 12;
task_template.TASK_NAME = "pcm_flush";
task_template.TASK_ATTRIBUTES = 0;
task_template.CREATION_PARAMETER = 0;
task_template.DEFAULT_TIME_SLICE = 0;
pcm_flush_id = _task_create_blocked(0, 0, (uint_32)&task_template);
if (pcm_flush_id == MQX_NULL_TASK_ID)
{
printf("local_player_task create pcm_flush_task failed \n");
goto clean_up;
}
else{
gPcmFlushTaskFinish = 0;
_task_ready(_task_get_td(pcm_flush_id));
_lwevent_set(&player_event, PLAYER_EVENT_MSK_SONG_RESUME);
}
metadata = (file_meta_data_t *) _mem_alloc_system_zero(sizeof(file_meta_data_t));
if (NULL == metadata)
{
LOCALPLAY_LOG("\n Failed to allocate memory for metadata.\n");
return;
}
decoding = TRUE;
while (1) {
#ifndef USB_ACCESSORY_PLAY
_lwevent_wait_ticks(
&player_event,
PLAYER_EVENT_MSK_SONG_READY | PLAYER_EVENT_MSK_SD_FS_UNMOUNTED
| PLAYER_EVENT_MSK_SHELL_COMMAND, FALSE, 0);
#else
_lwevent_wait_ticks(
&player_event,
PLAYER_EVENT_MSK_SONG_READY | PLAYER_EVENT_MSK_SD_FS_UNMOUNTED
| PLAYER_EVENT_MSK_SHELL_COMMAND | PLAYER_EVENT_MSK_USB_ATTACHED, FALSE, 0);
#endif
shell_cmd = FALSE;
#ifdef USB_ACCESSORY_PLAY
if (player_event.VALUE & PLAYER_EVENT_MSK_USB_ATTACHED) {
_lwevent_clear(&player_event, PLAYER_EVENT_MSK_USB_ATTACHED);
//LOCALPLAY_LOG("__guoyifang__: sd_player_task PLAYER_EVENT_MSK_USB_ACC_ATTACHED \n");
break;
}
#endif
if (player_event.VALUE & PLAYER_EVENT_MSK_SD_FS_UNMOUNTED) {
_lwevent_clear(&player_event, PLAYER_EVENT_MSK_SD_FS_UNMOUNTED);
//LOCALPLAY_LOG("__guoyifang__: sd_player_task PLAYER_EVENT_MSK_SD_FS_UNMOUNTED \n");
break;
}
if (player_event.VALUE & PLAYER_EVENT_MSK_SONG_READY) {
_lwevent_clear(&player_event, PLAYER_EVENT_MSK_SONG_READY);
}
if (player_event.VALUE & PLAYER_EVENT_MSK_SHELL_COMMAND) {
_lwevent_clear(&player_event, PLAYER_EVENT_MSK_SHELL_COMMAND);
shell_cmd = TRUE;
}
LOCALPLAY_LOG(" --------------------------------------------------------------\n");
printf("play lock umount at %d\n",lpp_param->lp_type);
_lwsem_wait(lpp_param->mfs_io_sem);
/******************decoding is a critical value, assume decoding is TRUE every time.*******************/
printf("SET decoding.\n");
decoding = TRUE; // next/prev btn ISR may clear decoding to 0
/*******************************************/
/*config the audio subsystem according metadata*/
printf(
" Open stream file %s\n", full_path);
stream_ptr = fopen(full_path, "r");
if (stream_ptr == NULL) {
printf(" Unable to open the file: %s\n", full_path);
goto clean_up;
}
stream_ptr1 = fopen(full_path, "r");
if (stream_ptr1 == NULL) {
printf(" Unable to open the file: %s\n", full_path);
goto clean_up;
}
/* Determine the extension of the file */
i=0;
strLen= strlen((const char *)full_path);
if(strLen > 4){
/* find the '.' */
while(strLen--){
if(full_path[i]=='.')
break;
i++;
}
if(strLen){
char *p;
/* Copy out the extension : 8.3 filename */
memcpy(&file_extension, full_path+i+1, 3);
p = (char *) (&file_extension);
for(i = 0; i < 4; i++, p++){
if((*p >= 'a') && (*p <= 'z')){
*p -= ('a' - 'A');
}
}
}
ctx.user_data = (void*) stream_ptr;
ctx.cci_dec_read = get_file_data;;
ctx.cci_dec_seek = seek_file_data;
ctx.cci_dec_tell = get_file_position;
/* Check if metadata was found. */
return_code = cci_extract_meta_data(file_extension, metadata, &ctx);
if (return_code != 0) {
printf("\n Metadata not found\n");
goto clean_up;
}
print_metadata(metadata); //todo
} else {
printf("\n Metadata not found\n");
goto clean_up;
}
if ( metadata->stream_type == STREAM_TYPE_MP3 ) {
/* Seek from the beginning of the file */
seek_file_data(0, metadata->start_pos, 0, stream_ptr);
} else {
/* Seek from the beginning of the file */
seek_file_data(0, 0, 0, stream_ptr);
}
stream_type = metadata->stream_type;
#if 0
format.audio_format.ENDIAN = AUDIO_LITTLE_ENDIAN;
format.audio_format.ALIGNMENT = AUDIO_ALIGNMENT_LEFT;
if((streamType == kCodecStreamTypePcm) || // bitsPerSample Value is 8/16/24
/*
* The demo not support kCodecStreamTypeImaAdpcm/kCodecStreamTypeMsAdpcm currently.
*/
(streamType == kCodecStreamTypeImaAdpcm) || // bitsPerSample Value is 4
(streamType == kCodecStreamTypeMsAdpcm)) // bitsPerSample Value is 4
{
format.audio_format.BITS = metadata->i32BitsPerSample;
}else{
format.audio_format.BITS = 16;
}
// Currently, the wave decoder output 16bits only for kCodecStreamTypePcm.
format.audio_format.BITS = 16;
format.audio_format.SIZE = (format.audio_format.BITS + 7)/8;
format.audio_format.CHANNELS = metadata->i32NumChannels;
format.fs_freq = metadata->u32SampleRate;
fs_freq = format.fs_freq;
mclk_freq = fs_freq * CLK_MULT;
// Setup audio data format in device
if (ioctl(device_ptr, IO_IOCTL_AUDIO_SET_IO_DATA_FORMAT,
&format.audio_format) != I2S_OK) {
LOCALPLAY_LOG(" Error: Input data format not supported.\n");
goto clean_up;
}
// Setup rest of parameters - master clock, valid data bits and sampling frequency
if ((ioctl(device_ptr, IO_IOCTL_I2S_SET_MCLK_FREQ, &mclk_freq) != I2S_OK)
|| (ioctl(device_ptr, IO_IOCTL_I2S_SET_DATA_BITS,
&format.audio_format.BITS) != I2S_OK)
|| (ioctl(device_ptr, IO_IOCTL_I2S_SET_FS_FREQ, &fs_freq)
!= I2S_OK)) {
LOCALPLAY_LOG(" Error: Unable to setup \"%s\" device driver.\n",
AUDIO_DIVECE_NAME_STR);
goto clean_up;
}
// Setup audio codec
return_code = SetupCodec(device_ptr);
if (return_code != 0) {
LOCALPLAY_LOG(" Audio codec configuration failed. Error 0x%X.\n",
return_code);
goto clean_up;
}
ioctl(device_ptr, IO_IOCTL_I2S_GET_FS_FREQ, &fs_freq);
ioctl(device_ptr, IO_IOCTL_I2S_GET_DATA_BITS, &bit_width);
LOCALPLAY_LOG(" Playback information\n");
LOCALPLAY_LOG(" Sampling frequency: %d Hz\n", fs_freq);
LOCALPLAY_LOG(" Bit depth: %d bits\n", (uint_8)bit_width);
LOCALPLAY_LOG(" Channels: ");
if (format.audio_format.CHANNELS == 1) {
LOCALPLAY_LOG("mono\n");
} else {
LOCALPLAY_LOG("stereo\n");
}
#else
if((stream_type == STREAM_TYPE_PCM) || // bitsPerSample Value is 8/16/24
/*
* The demo not support kCodecStreamTypeImaAdpcm/kCodecStreamTypeMsAdpcm currently.
*/
(stream_type == STREAM_TYPE_IMAADPCM) || // bitsPerSample Value is 4
(stream_type == STREAM_TYPE_MSADPCM)) // bitsPerSample Value is 4
{
format.audio_format.BITS = metadata->bits_per_sample;
}else{
format.audio_format.BITS = 16;
}
format.audio_format.CHANNELS = metadata->num_channels;
// Currently, the wave decoder output 16bits only for kCodecStreamTypePcm.
format.audio_format.BITS = 16;
#if 0
if(audio_ioctl(setChNum, format.audio_format.CHANNELS)!= I2S_OK)
{
LOCALPLAY_LOG(" Error: audio_ioctl setChNum failed.\n");
goto clean_up;
}
if(audio_ioctl(setBitWidth, format.audio_format.BITS)!= I2S_OK)
{
LOCALPLAY_LOG(" Error: audio_ioctl setBitWidth failed.\n");
goto clean_up;
}
#endif
format.fs_freq = metadata->sample_rate;
#if 0
if(audio_ioctl(setSamplerate, format.fs_freq)!= I2S_OK)
{
LOCALPLAY_LOG(" Error: audio_ioctl setSamplerate failed.\n");
goto clean_up;
}
#endif
msi_snd_set_format(format.fs_freq, format.audio_format.BITS, format.audio_format.CHANNELS);
#endif
mem_ptr = (char_ptr) _mem_alloc_system_zero(codec_get_mem_info(stream_type));
if (NULL == mem_ptr) {
LOCALPLAY_LOG("Failed to allocate memory for the decoder.\n");
goto clean_up;
}
// MP4 decoder need two fd
g_userData[0] = (int) stream_ptr;
g_userData[1] = (int) stream_ptr1;
if (metadata->audio_sub_type == MEDIA_SUBTYPE_ADTS)
g_userData[2] = 1;
else if (metadata->audio_sub_type == MEDIA_SUBTYPE_M4A)
g_userData[2] = 2;
else if ( metadata->stream_type == STREAM_TYPE_OPUS )
{
g_userData[2] = metadata->sample_rate;
g_userData[3] = metadata->num_channels;
}
else
g_userData[2] = 0;
g_callbackFunctionArray[0] = (int32_t *) &get_file_data;
g_callbackFunctionArray[1] = (int32_t *) &seek_file_data;
g_callbackFunctionArray[2] = (int32_t *) &get_file_position;
while (1) {
res = codec_init(stream_type, (long **)&mem_ptr,g_callbackFunctionArray,
&g_userData[0]);
if (res == CODEC_INIT_ERROR) {
LOCALPLAY_LOG("\n Codec Init Failed with error code %d\n", res);
decoding = FALSE;
goto clean_up;
}
if (res == CODEC_MORE_DATA_REQUIRED) {
LOCALPLAY_LOG("\n More Data Processing Required for Init \n");
}
if (res == CODEC_SUCCESS) {
LOCALPLAY_LOG("\n Codec Init Done Successfully \n\n");
break;
}
else {
printf("codec init other err\n");
decoding = FALSE;
goto clean_up;
}
}
if (res == CODEC_SUCCESS) {
LOCALPLAY_LOG(" Playing %s...\n\n", full_path);
// ioctl(device_ptr, IO_IOCTL_I2S_CLEAR_STATISTICS, NULL);
/* Reset variables before every song's playbacking */
//printf("SET decoding.\n");
//decoding = TRUE; // next/prev btn ISR may clear decoding to 0
cnt = 0;
max_audio_buf_size = 0;
g_audio_buf_ptr = NULL;
//_lwevent_clear(&player_event, PLAYER_EVENT_MSK_AUDIO_BUF_FILLED);
/* Clear pcm_decoded_sem for play next song */
_lwsem_poll(&pcm_decoded_sem);
_lwsem_poll(&pcm_decoded_sem);
if(MQX_OK != _lwsem_create(&pcm_flush_sem, AUDIO_BUF_CNT))
{
LOCALPLAY_LOG("\n Error - Unable to create lwsem: pcm_flush_sem\n");
}
/*
* umute
*/
msi_snd_umute();
//sai_dma_output_init();
while (decoding) {
/*
* For FLAC decoder, it produced more than 18K bytes per frame, and takes about 30ms.
* While take 44.1K/16bit/2ch/4Kbytes DMA buffer as example, the margin time is 4K/4/2/44100~=10ms.
* We need bigger DMA buffer, or decode in a ping-pong way.
*/
res = codec_decode(stream_type, (long **)&mem_ptr, &sampleProduced,
&bufOut);
if (res == CODEC_END_OF_DECODE) {
printf("\n End of Decode \n");
break;
}
else if (res == CODEC_DECODE_ERROR) {
printf("\n Codec Decode Failed \n");
break;
}
else if(res != CODEC_SUCCESS){
printf("codec_decode else err %d\n",res);
break;
}
cnt += sampleProduced;
while (decoding)
{
numberOfSamples = codec_get_pcm_samples(stream_type,
(long **)&mem_ptr, &sampleProduced, &bufOut);
if (numberOfSamples == 0)
break;
#if 1
if (max_audio_buf_size < sampleProduced) { //More bigger buffer needed
max_audio_buf_size = sampleProduced;
if (NULL != g_audio_buf_ptr) {
LOCALPLAY_LOG(" Bigger buffer needed.\n");
_mem_free(g_audio_buf_ptr);
}
g_audio_buf_ptr = (uchar_ptr) _mem_alloc_system_zero(max_audio_buf_size);
if (NULL == g_audio_buf_ptr) {
LOCALPLAY_LOG(" Failed to allocate g_audio_buf_ptr. max_audio_buf_size %d \n", max_audio_buf_size);
decoding = 0;
break;
}
#if 1
//sai_dma_buffer_adjust(sampleProduced);
#endif
}
#endif
if (MQX_OK != _lwsem_wait(&pcm_flush_sem))
{
LOCALPLAY_LOG("\n Error: Wait for pcm_flush_sem failed.\n");
// _task_set_error(res);
}
_mem_copy((void *)bufOut, g_audio_buf_ptr, sampleProduced);
//g_audio_buf_ptr = bufOut;
g_buf_bytes_to_flush = sampleProduced;
if (_lwsem_post(&pcm_decoded_sem) != MQX_OK)
{
LOCALPLAY_LOG("\n pcm_flush : Error - Unable to set pcm_decoded_sem.");
}
if (numberOfSamples == sampleProduced)
sampleProduced = 0;
}//end while decoding
}//end while decoding
}//end if res==kCodeSuccess
#if 0
fflush(device_ptr);
#else
msi_snd_mute();
if (MQX_OK != _lwsem_wait(&pcm_flush_sem))
LOCALPLAY_LOG("\n Error: Wait for latest pcm_flush_sem failed.\n");
msi_snd_flush();
#endif
#if 1
//sai_dma_output_stop();
#endif
#if 0
/* Print transfer statistics */
if (ioctl(device_ptr, IO_IOCTL_I2S_GET_STATISTICS, &stats) != I2S_OK) {
LOCALPLAY_LOG(" Error: Cannot read I2S statistics.\n");
} else {
LOCALPLAY_LOG("\n Playback stats\n");
LOCALPLAY_LOG(" Total interrupts: %d\n", stats.INTERRUPTS);
LOCALPLAY_LOG(" Bytes requested for transmit: %d\n",
stats.PACKETS_REQUESTED * format.audio_format.SIZE);
LOCALPLAY_LOG(" Bytes transmitted: %d\n",
stats.TX_PACKETS * format.audio_format.SIZE);
LOCALPLAY_LOG(" Underruns of hardware FIFO: %d\n", stats.FIFO_ERROR);
LOCALPLAY_LOG(" Software buffer empty: %d\n", stats.BUFFER_ERROR);
}
#endif
LOCALPLAY_LOG("\n DONE\n");
clean_up:
printf("done to clean up,decoding %d \n",decoding);
/* Clean up for next song */
if (NULL != mem_ptr) {
_mem_free(mem_ptr);
mem_ptr = NULL;
}
if (NULL != g_audio_buf_ptr) {
_mem_free(g_audio_buf_ptr);
g_audio_buf_ptr = NULL;
}
if (NULL != stream_ptr) {
res = fclose(stream_ptr);
if ((res != MQX_OK)&&(res != MFS_DISK_IS_WRITE_PROTECTED)) {
/*LOCALPLAY_LOG*/printf(" Error: Unable to close file 0x%x.\n", res);
}
stream_ptr = NULL;
}
if (NULL != stream_ptr1) {
res = fclose(stream_ptr1);
if ((res != MQX_OK)&&(res != MFS_DISK_IS_WRITE_PROTECTED)) {
/*LOCALPLAY_LOG*/printf(" Error: Unable to close file 0x%x.\n", res);
}
stream_ptr1 = NULL;
}
if(MQX_OK != _lwsem_destroy(&pcm_flush_sem))
{
LOCALPLAY_LOG("\n Error - Unable to destroy lwsem: pcm_flush_sem\n");
}
if (decoding == TRUE) { // playback finished in normal way, ie, next/prev not pressed
if (!shell_cmd) { // and was not triggered by Shell
// just like next btn being pressed
_lwevent_set(&player_event, PLAYER_EVENT_MSK_NEXT_BTN_PRESSED);
}
}
/* if exit this task ,must route this point ! */
printf("play unlock umount at %d\n",lpp_param->lp_type);
_lwsem_post(lpp_param->mfs_io_sem);
}//end while(1)
#if 0
// clean up further
if (NULL != device_ptr) {
if (fclose(device_ptr) != MQX_OK) {
LOCALPLAY_LOG(" Error: Unable to close \"%s\" device driver.\n",
full_path);
}
}
#else
msi_snd_deinit();
#endif
if (NULL != metadata)
_mem_free(metadata);
if (MQX_NULL_TASK_ID != pcm_flush_id)
{
gPcmFlushTaskFinish = 1;
_lwsem_post(&pcm_decoded_sem);
while(gPcmFlushTaskFinish == 1){
_sched_yield();
}
//_task_destroy(pcm_flush_id);
pcm_flush_id = MQX_NULL_TASK_ID;
///*LOCALPLAY_LOG*/printf(" pcm flush task destoryed \n");
}
if(MQX_OK != _lwsem_destroy(&pcm_decoded_sem))
{
LOCALPLAY_LOG("\n Error - Unable to destroy lwsem: pcm_decoded_sem\n");
}
//printf("__guoyifang__: sd_player_task %d set PLAYER_TASK_KILLED.\n",lpp_param->lp_type);
_lwevent_set(&player_event, PLAYER_EVENT_MSK_PLAYER_TASK_KILLED);
printf("sd_player_task exit.\n");
//_task_block(); //wait for being destroyed
}
