void v_memzero(void* destp, size_t len)
{
register int32 dest = (int)destp;
/* If it's worth using altivec code */
if( len >= 2*sizeof_vector ) { /* 32 byte */
int i,xlen;
vint32* destv;
/* first, write things to word boundary. */
if(( xlen = (int)dest % sizeof_vector ) != 0) {
libc_memset(destp,0,xlen);
len -= xlen;
dest += xlen;
}
/* this is the maion loop. */
destv = (vint32*) dest;
for( i = 0; i < len / sizeof_vector; i++ ) {
destv[i] = vzero;
}
dest += i * sizeof_vector;
len %= sizeof_vector;
}
/* write remaining few bytes. */
libc_memset((void*)dest,0,len);
}
static app_result_e mengine_play_switch(void *msg_ptr, switch_mode_e switch_mode)
{
bool bret;
play_mode_e play_mode;//保存是否正在播放
switch_result_e switch_ret;//切换是否成功
if (g_eg_status_p->play_status == PlaySta)//正在播放
{
play_mode = PLAY_NORMAL;//正在播放标志
}
else
{
play_mode = PLAY_NO_PLAY;//未在播放
//清除断点
libc_memset(&(g_eg_cfg_p->bk_infor), 0, sizeof(mmm_mp_bp_info_t));
}
switch_ret = mengine_file_switch(STOP_NORMAL, switch_mode, play_mode);
if (switch_ret == SWITCH_NO_ERR)
{
bret = TRUE;
}
else
{
bret = FALSE;
}
mengine_reply_msg(msg_ptr, bret);
return RESULT_IGNORE;
}
app_result_e mengine_musui_delete_file(void* msg_ptr)
{
bool is_playing;
bool ret_vals;
//bool switch_ret;
plist_location_t* cur_locat_ptr = (plist_location_t*) &(g_eg_cfg_p->location.plist_location);
//当前播放状态
if (g_eg_status_p->play_status == PlaySta)
{
is_playing = TRUE;
}
else
{
is_playing = FALSE;
}
ret_vals = _stop(STOP_NORMAL);//停止播放
if (ret_vals == FALSE)
{
goto msg_end;
}
cur_locat_ptr->file_num--;
cur_locat_ptr->file_total--;
//设置删除当前文件标识
g_del_curfile = 1;
if (g_change_path_flag == 1)
{
ret_vals = change_locat_deal();
}
//清除断点
libc_memset(&(g_eg_cfg_p->bk_infor), 0, sizeof(mmm_mp_bp_info_t));
msg_end:
//返回成功
mengine_reply_msg(msg_ptr, ret_vals);
return RESULT_IGNORE;
}
app_result_e mengine_other_delete_file(void* msg_ptr)
{
bool ret_vals;
//消息指针
private_msg_t* data_ptr = (private_msg_t*) msg_ptr;
//要删除的文件信息指针
file_path_info_t* del_file_path = (file_path_info_t *) (data_ptr->msg.content.addr);
//当前正在播放的文件指针
file_location_t* cur_locat_ptr = (file_location_t*) &(g_eg_cfg_p->location.dirlocation);
uint32 del_clustno = del_file_path->file_path.dirlocation.cluster_no;//删除文件的目录项所在的簇号
uint32 del_direntry = del_file_path->file_path.dirlocation.dir_entry;//删除文件的目录项在所在簇号内的偏移
//判断是否是删除当前文件，如果是则停止播放
if ((del_clustno == cur_locat_ptr->cluster_no) && (del_direntry == cur_locat_ptr->dir_entry))
{
ret_vals = _stop(STOP_NORMAL);//停止播放
cur_locat_ptr->file_num--;
cur_locat_ptr->file_total--;
//设置删除当前文件标识
g_del_curfile = 1;
if (g_change_path_flag == 1)
{
ret_vals = change_locat_deal();
}
//清除断点
libc_memset(&(g_eg_cfg_p->bk_infor), 0, sizeof(mmm_mp_bp_info_t));
}
//返回成功
mengine_reply_msg(msg_ptr, TRUE);
return RESULT_IGNORE;
}
app_result_e mengine_play_prev(void* msg_ptr)
{
play_status_e play_status = g_eg_status_p->play_status;
//大于5s重头开始播歌，不向前切歌
if (g_eg_playinfo_p->cur_time > 5000)
{
g_eg_playinfo_p->cur_time = 0;
//清除断点
libc_memset(&(g_eg_cfg_p->bk_infor), 0, sizeof(mmm_mp_bp_info_t));
_stop(STOP_NORMAL);//停止播放
if (play_status == PlaySta)
{
_set_file();
_play(PLAY_NORMAL);//播放
}
mengine_reply_msg(msg_ptr, TRUE);
return RESULT_IGNORE;
}
return mengine_play_switch(msg_ptr, FORCE_SWITCH_PREV);
}
