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mediamanager.c
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/*****************************************************************
*
*
*****************************************************************/
/*****************************************************************
* 模块名称
*
* GenieVendor多媒体播放
*
* 模块功能
*
* 本地媒体管理
*
*****************************************************************/
#define _MEDIA_MANAGER_IMPL_
#include <memory.h>
#include "mediamanager.h"
#include "logic.h"
#include "libaglog.h"
#undef LOG_TAG
#define LOG_TAG "GVMediaManager"
struct list_head *gPlayListHead[PLAY_DIR_NUM];
struct list_head *music_headnode = NULL;
struct list_head *story_headnode = NULL;
struct list_head *sinology_headnode = NULL;
struct list_head *favourite_headnode = NULL;
struct list_head *headnode;
struct list_head *playlist_head;
const char *playDir[PLAY_DIR_NUM] = {
[0] = "音乐",
[1] = "故事",
[2] = "国学",
[3] = FAVORITE_STORE_FOLDER,
};
//Ali player support music format
const char *support_type[2] = {
[0] = ".mp3",
[1] = ".m4a"
};
const char rootPath[] = {MEM_ROOT_PATH};
const char FILE_LIST_PATH[] = {MEM_ROOT_PATH"list.txt"};
const char FILE_FAVOURITE_PATH[] = {MEM_ROOT_PATH"favourite.dat"};
int playDirNum = -1;
pthread_mutex_t sdscanlock;
pthread_cond_t sdscancond;
void * _scan_sdcard_thread(void * arg)
{
int ret = -2;
SDCARD_STATUS_E status;
while(1){
pthread_mutex_lock(&sdscanlock);
pthread_cond_wait(&sdscancond,&sdscanlock);
if (LCTX.player_sd_status_ctx.SDcardRefreshFlag)
{
LCTX.player_sd_status_ctx.SDcardRefreshFlag = FALSE;
status = GV_SDCARD_SCAN_ING;
ret = playListInit();
if (ret == GV_OK)
{
status = GV_SDCARD_SCAN_OK;
LOGD("SDCard scan success");
}
else if (ret == GV_FAIL)
{
status = GV_SDCARD_SCAN_FAILED;
LOGD("SDCard scan failed");
}
logic_handle_sd_status_change(&LCTX,status);
}
else
{
if(get_sdcard_scanstatus() == GV_SDCARD_UMOUNT)
{
LOGD("SDCard is umounted");
playListDelete();
}
}
pthread_mutex_unlock(&sdscanlock);
usleep(1 * 1000 * 1000);
}
return (void *)NULL;
}
//初始化函数开线程扫描T卡、分类保存索引，不要block调用
int media_manager_init(pthread_t* thread)
{
FUNCTION_BEGIN
int ret;
LCTX.player_sd_status_ctx.SDcardRefreshFlag=TRUE;
LCTX.player_sd_status_ctx.sd_status=GV_SDCARD_SCAN_NOTSTART;
ret = pthread_create(thread, NULL, _scan_sdcard_thread, NULL);
if(0 == ret)
{
LOGD("sdcard scan thread created!");
FUNCTION_END
return GV_OK;
}
else
{
LOGE("sdcard scan thread create failed!");
FUNCTION_END
return GV_FAIL;
}
}
//根绝给定的媒体类型，返回媒体文件路径
//成功则path为路径，返回值GV_OK
//失败则path为NULL，返回值GV_FAIL
int get_media_path_by_type(char** path, MEDIA_TYPE_E type)
{
FUNCTION_BEGIN
//LOGD("g_path: %08x", g_path);
//*path = g_path;
int ret = GV_FAIL;
PT_Node tmp;
if(get_sdcard_scanstatus() == GV_SDCARD_SCAN_OK)
{
switch(type)
{
case M_TYPE_SONG:
if (!LCTX.is_music_empty)
{
playlist_head = gPlayListHead[0]->next;
}
break;
case M_TYPE_STORY:
if (!LCTX.is_story_empty)
{
playlist_head = gPlayListHead[1]->next;
}
break;
case M_TYPE_SINOLOGY:
if (!LCTX.is_sinology_empty)
{
playlist_head = gPlayListHead[2]->next;
}
break;
case M_TYPE_FAVOURITE:
if(!LCTX.is_favourite_empty)
{
playlist_head = gPlayListHead[3]->next;
}
break;
default:
break;
}
if(playlist_head != NULL)
{
printf("playlist_head not NULL\n");
if ((type == M_TYPE_SONG) && !LCTX.is_music_empty)
{
music_headnode = playlist_head;
tmp = list_entry(music_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
else
{
*path = NULL;
}
story_headnode = NULL;
sinology_headnode = NULL;
favourite_headnode = NULL;
LCTX.player_status_ctx.player_mediatype = M_TYPE_SONG;
}
else if((type == M_TYPE_STORY) && !LCTX.is_story_empty)
{
story_headnode = playlist_head;
tmp = list_entry(story_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
else
{
*path = NULL;
}
music_headnode = NULL;
sinology_headnode = NULL;
favourite_headnode = NULL;
LCTX.player_status_ctx.player_mediatype = M_TYPE_STORY;
}
else if((type == M_TYPE_SINOLOGY) && !LCTX.is_sinology_empty)
{
sinology_headnode = playlist_head;
tmp = list_entry(sinology_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
else
{
*path = NULL;
}
music_headnode = NULL;
story_headnode = NULL;
favourite_headnode = NULL;
LCTX.player_status_ctx.player_mediatype = M_TYPE_SINOLOGY;
}
else if((type == M_TYPE_FAVOURITE) &&(!LCTX.is_favourite_empty))
{
favourite_headnode = playlist_head;
tmp = list_entry(favourite_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
else
{
*path = NULL;
}
music_headnode = NULL;
sinology_headnode = NULL;
story_headnode = NULL;
LCTX.player_status_ctx.player_mediatype = M_TYPE_FAVOURITE;
}
if(NULL == (*path))
{
ret = GV_FAIL;
}
else
{
ret = GV_OK;
LOGD("*path: %08x", *path);
}
}
else
{
ret = GV_FAIL;
printf("NO meida file,please copy\n");
}
}
else if (get_sdcard_scanstatus() == GV_SDCARD_SCAN_ING)
{
*path=NULL;
ret = GV_FAIL;
LOGD("SDCard is scanning folder...");
}
else if (get_sdcard_scanstatus() == GV_SDCARD_SCAN_FAILED)
{
*path=NULL;
ret = GV_FAIL;
LOGD("SDCard scanning failed,card may be damaged");
}else if(get_sdcard_scanstatus() == GV_SDCARD_UMOUNT){
*path=NULL;
ret = GV_FAIL;
LOGD("SDCard is umounted");
}
FUNCTION_END
return ret;
}
//这两个函数的出参，返回与当前播放类型相同的上一个/下一个媒体文件路径
//如果get_media_path_by_type从未调用过，则函数返回值为GV_FAIL，path为NULL
//否则path为路径，返回值GV_OK
int get_media_path_next(char** path)
{
FUNCTION_BEGIN
//*path = g_path;
int ret = GV_FAIL;
PT_Node tmp = NULL;
if(get_sdcard_scanstatus() == GV_SDCARD_SCAN_OK)
{
if ((NULL == music_headnode)&&(NULL == story_headnode)&&(NULL == sinology_headnode)&&(NULL == favourite_headnode))
{
LOGE("Now is no media content is playing");
*path = NULL;
ret = GV_FAIL;
}
else
{
if(music_headnode != NULL)
{
//就剩一个节点
if ((music_headnode->next->next == music_headnode) && (music_headnode->next == gPlayListHead[0]))
{
//printf("only one node\n");
tmp = list_entry(music_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else if (music_headnode->next == gPlayListHead[0])//不止一个节点，下一个节点是头结点
{
//printf("not only one node, but next is head\n");
music_headnode = music_headnode->next->next;
tmp = list_entry(music_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else//不止一个节点，下一个节点不是头结点
{
//printf("not only one node, and next is not head\n");
music_headnode = music_headnode->next;
tmp = list_entry(music_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
}
else if(story_headnode != NULL)
{
//就剩一个节点
if ((story_headnode->next->next == story_headnode) && (story_headnode->next == gPlayListHead[1]))
{
//printf("only one node\n");
tmp = list_entry(story_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else if (story_headnode->next == gPlayListHead[1])//不止一个节点，下一个节点是头结点
{
//printf("not only one node, but next is head\n");
story_headnode = story_headnode->next->next;
tmp = list_entry(story_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else//不止一个节点，下一个节点不是头结点
{
//printf("not only one node, and next is not head\n");
story_headnode = story_headnode->next;
tmp = list_entry(story_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
}
else if(sinology_headnode != NULL)
{
//就剩一个节点
if ((sinology_headnode->next->next == sinology_headnode) && (sinology_headnode->next == gPlayListHead[2]))
{
//printf("only one node\n");
tmp = list_entry(sinology_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else if (sinology_headnode->next == gPlayListHead[2])//不止一个节点，下一个节点是头结点
{
//printf("not only one node, but next is head\n");
sinology_headnode = sinology_headnode->next->next;
tmp = list_entry(sinology_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else//不止一个节点，下一个节点不是头结点
{
//printf("not only one node, and next is not head\n");
sinology_headnode = sinology_headnode->next;
tmp = list_entry(sinology_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
}
else if(favourite_headnode != NULL)
{
//printf("get_media_path_next\n");
//就剩一个节点
if ((favourite_headnode->next->next == favourite_headnode) && (favourite_headnode->next == gPlayListHead[3]))
{
//printf("only one node\n");
tmp = list_entry(favourite_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else if (favourite_headnode->next == gPlayListHead[3])//不止一个节点，下一个节点是头结点
{
//printf("not only one node, but next is head\n");
favourite_headnode = favourite_headnode->next->next;
tmp = list_entry(favourite_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else//不止一个节点，下一个节点不是头结点
{
//printf("not only one node, and next is not head\n");
favourite_headnode = favourite_headnode->next;
tmp = list_entry(favourite_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
}
ret = GV_OK;
}
}
else if(get_sdcard_scanstatus() == GV_SDCARD_SCAN_ING)
{
ret = GV_FAIL;
LOGD("SDCard is scanning folder...");
}
else if(get_sdcard_scanstatus() == GV_SDCARD_SCAN_FAILED)
{
ret = GV_FAIL;
LOGD("SDCard scanning failed,card may be damaged");
}else if(get_sdcard_scanstatus() == GV_SDCARD_UMOUNT){
*path=NULL;
ret = GV_FAIL;
LOGD("SDCard is umounted");
}
FUNCTION_END
return ret;
}
int get_media_path_previous(char** path)
{
FUNCTION_BEGIN
//*path = g_path;
int ret = GV_FAIL;
PT_Node tmp = NULL;
if(get_sdcard_scanstatus() == GV_SDCARD_SCAN_OK)
{
if((NULL == music_headnode)&&(NULL == story_headnode)&&(NULL == sinology_headnode)&&(NULL == favourite_headnode))
{
LOGE("Now is no media content is playing");
*path = NULL;
ret = GV_FAIL;
}
else
{
if(music_headnode != NULL)
{
//就剩一个节点
if ((music_headnode->prev->prev == music_headnode) && (music_headnode->prev == gPlayListHead[0]))
{
//printf("only one node\n");
tmp = list_entry(music_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else if (music_headnode->prev == gPlayListHead[0])//不止一个节点，上一个节点是头结点
{
//printf("not only one node, but prev is head\n");
music_headnode = music_headnode->prev->prev;
tmp = list_entry(music_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else//不止一个节点，上一个节点不是头结点
{
//printf("not only one node, and prev is not head\n");
music_headnode = music_headnode->prev;
tmp = list_entry(music_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
}
else if(story_headnode != NULL)
{
//就剩一个节点
if ((story_headnode->prev->prev == story_headnode) && (story_headnode->prev == gPlayListHead[1]))
{
//printf("only one node\n");
tmp = list_entry(story_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else if (story_headnode->prev == gPlayListHead[1])//不止一个节点，上一个节点是头结点
{
//printf("not only one node, but prev is head\n");
story_headnode = story_headnode->prev->prev;
tmp = list_entry(story_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else//不止一个节点，上一个节点不是头结点
{
//printf("not only one node, and prev is not head\n");
story_headnode = story_headnode->prev;
tmp = list_entry(story_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
}
else if(sinology_headnode != NULL)
{
//就剩一个节点
if ((sinology_headnode->prev->prev == sinology_headnode) && (sinology_headnode->prev == gPlayListHead[2]))
{
//printf("only one node\n");
tmp = list_entry(sinology_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else if (sinology_headnode->prev == gPlayListHead[2])//不止一个节点，上一个节点是头结点
{
//printf("not only one node, but prev is head\n");
sinology_headnode = sinology_headnode->prev->prev;
tmp = list_entry(sinology_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else//不止一个节点，上一个节点不是头结点
{
//printf("not only one node, and prev is not head\n");
sinology_headnode = sinology_headnode->prev;
tmp = list_entry(sinology_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
}
else if(favourite_headnode != NULL)
{
//就剩一个节点
if ((favourite_headnode->prev->prev == favourite_headnode) && (favourite_headnode->prev == gPlayListHead[3]))
{
//printf("only one node\n");
tmp = list_entry(favourite_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else if (favourite_headnode->prev == gPlayListHead[3])//不止一个节点，上一个节点是头结点
{
//printf("not only one node, but prev is head\n");
favourite_headnode = favourite_headnode->prev->prev;
tmp = list_entry(favourite_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
else//不止一个节点，上一个节点不是头结点
{
//printf("not only one node, and prev is not head\n");
favourite_headnode = favourite_headnode->prev;
tmp = list_entry(favourite_headnode, T_Node, list);
if (tmp->fullname)
{
*path = tmp->fullname;
}
}
}
ret = GV_OK;
}
}
else if(get_sdcard_scanstatus() == GV_SDCARD_SCAN_ING)
{
ret = GV_FAIL;
LOGD("SDCard is scanning folder...");
}
else if(get_sdcard_scanstatus() == GV_SDCARD_SCAN_FAILED)
{
ret = GV_FAIL;
LOGD("SDCard scanning failed,card may be damaged");
}else if(get_sdcard_scanstatus() == GV_SDCARD_UMOUNT){
*path=NULL;
ret = GV_FAIL;
LOGD("SDCard is umounted");
}
FUNCTION_END
return ret;
}
int get_sdcard_scanstatus(void)
{
return LCTX.player_sd_status_ctx.sd_status;
}
static void createDir(void)
{
int i;
char buf[128];
for (i = 0; i < PLAY_DIR_NUM - 1; i++)
{
strcpy(buf, MEM_ROOT_PATH);
strcat(buf, playDir[i]);
if( 0 != access(buf, 0) )
{
strcpy(buf, "mkdir "MEM_ROOT_PATH);
strcat(buf, playDir[i]);
system(buf);
//system("sync");
}
}
}
/* del playlst*/
void clean_list(struct list_head* head)
{
struct list_head *pos;
PT_Node tmp = NULL;
list_for_each(pos, head)
{
tmp = list_entry(pos, T_Node, list);
//list_del(pos);
free(tmp->fullname);
tmp->fullname = NULL;
free(tmp);
tmp = NULL;
}
}
//遍历打印
void show(struct list_head *_headnode)
{
struct list_head *pos;
static int i = 1;
PT_Node tmp;
list_for_each(pos, _headnode)
{
tmp = list_entry(pos, T_Node, list);
LOGD("No.%05d -> %s\n", i++, tmp->fullname);
}
}
int playListInit(void)
{
FUNCTION_BEGIN
//FILE *fp;
char buf[36];
int i, ret;
createDir();
if (playDirNum < 0)
{
for (i = 0; i < PLAY_DIR_NUM; i++)
{
gPlayListHead[i] = NULL;
}
playDirNum = PLAY_DIR_NUM;
}
else
{
LOGD("playListDelete\n");
playListDelete();
}
for (i = 0; i < PLAY_DIR_NUM; i++)
{
memset(buf, 0, sizeof(buf));
gPlayListHead[i] = (struct list_head*)malloc(sizeof(struct list_head));
if(gPlayListHead[i] == NULL)
{
LOGE("gPlayListHead[%d] malloc failed\n",i);
return -1;
}
memset(gPlayListHead[i], 0, sizeof(struct list_head));
if (i <= 2)
{
strcpy(buf, MEM_ROOT_PATH);
strcat(buf, playDir[i]);
ret = search_media(buf, &gPlayListHead[i]);
if (0 != ret)
{
LOGE("ret is %d, search %s directory failed",ret, playDir[i]);
clean_list(gPlayListHead[i]);
gPlayListHead[i] = NULL;
LOGD("gPlayListHead[%d]=%0x", i, gPlayListHead[i]);
if (0 == i)
{
LCTX.is_music_empty = 1;
}
else if (1 == i)
{
LCTX.is_story_empty = 1;
}
else if (2 == i)
{
LCTX.is_sinology_empty = 1;
}
}
}
else if (i == 3)
{
ret = search_favourite_media(&gPlayListHead[i]);
if(ret != 0)
{
LCTX.is_favourite_empty = 1;
}
}
}
//playlist_head = gPlayListHead[playDirIndex];
if ((NULL == gPlayListHead[0]) && (NULL == gPlayListHead[1]) && (NULL == gPlayListHead[2]) && (NULL == gPlayListHead[3]))
{
LOGE("no any media play list to create");
return GV_FAIL;
}
// for (i = 0; i < PLAY_DIR_NUM; i++)
// {
// show(gPlayListHead[i]);
// }
return GV_OK;
}
void playListDelete(void)
{
int i;
for (i = 0; i < PLAY_DIR_NUM; i++)
{
if (gPlayListHead[i] != NULL)
{
clean_list(gPlayListHead[i]);
gPlayListHead[i] = NULL;
}
}
playDirNum = -1;
playlist_head = NULL;
music_headnode = playlist_head;
sinology_headnode = playlist_head;
story_headnode = playlist_head;
favourite_headnode = playlist_head;
LOGD("media play list have been clean");
}
static void init_list(struct list_head **p)
{
*p = (struct list_head *)malloc(sizeof(struct list_head));
if(*p == NULL)
{
LOGE("struct list_head malloc failed\n");
return ;
}
INIT_LIST_HEAD(*p);
}
//校验文件后缀并获得文件序号,返回数字即数字，小写字母-1，大写字母-2，汉字-3，符号-4,文件名不对-5
static int get_num_from_medianame(const char *medianame)
{
char buf1[MAXLEN];
char buf2[MAXLEN];
char _medianame[MAXLEN];
char *tmp = strrchr(medianame, '/');
if (tmp)
{
strncpy(_medianame, tmp+1, strlen(tmp+1)+1);//去掉路径获得文件名
}
strncpy(buf1, _medianame, strlen(_medianame)+1);
char *p = strrchr(buf1, '.');
if (!strncmp(p, support_type[0], 4) || !strncmp(p, support_type[1], 4))//校验后缀
{
int i = 0, j = 0;
for (i = 0; i < strlen(_medianame); i++)
{
if (_medianame[i] >= '0' && _medianame[i] <= '9')
{
j++;
}
else
{
break;
}
}
memset(buf2, 0, MAXLEN);
if (j)
{
return atoi(strncpy(buf2, buf1, j));
}
else if (!j && ((_medianame[0]&0x80)) && (_medianame[1]&0x80))
{
return HANZI;
}
else if (!j && (((int)_medianame[0] >= 65) && ((int)_medianame[0] <= 90)))
{
return DAZIMU;
}
else if (!j && (((int)_medianame[0] >= 97) && ((int)_medianame[0] <= 120)))
{
return XIAOZIMU;
}
else
{
return FUHAO;
}
}
else//后缀名不对
{
LOGD("medianame is not good!\n");
return BADNAME;
}
}
static int insert_by_order(const char *medianame, int length, struct list_head *head, int NoZimu)
{
//FUNCTION_BEGIN
int add_flag = 0;
struct list_head *pos;
PT_Node new, tmp;
char newbuf[MAXLEN];
char tmpbuf[MAXLEN];
//分配新的节点
new = (PT_Node)malloc(sizeof(T_Node));
if(new == NULL)
{
LOGE(" new node malloc failed\n");
return -1;
}
new->unread = 0;
new->fullname = (char *)malloc(length+1);
strncpy(new->fullname, medianame, length+1);
strncpy(newbuf, medianame, length+1);
if (head->next == head)//如果链表为空
{
LOGD("list is empty\n");
list_add(&new->list, head);
return 0;
}
else if (NoZimu >= 0)//数字
{
list_for_each(pos, head)//数字正序遍历链表，寻找插入点
{
tmp = list_entry(pos, T_Node, list);
memset(tmpbuf, 0, MAXLEN);
if (NULL != tmp->fullname)
{
strncpy(tmpbuf, tmp->fullname, strlen(tmp->fullname)+1);
}
if (get_num_from_medianame(tmpbuf) > NoZimu)
{
list_add(&new->list, tmp->list.prev);
add_flag = 1;//已经插入
break;
}
}
}
else if (NoZimu == XIAOZIMU)//小写字母
{
list_for_each_prev(pos, head)//字母倒序遍历链表，寻找插入点
{
tmp = list_entry(pos, T_Node, list);
memset(tmpbuf, 0, MAXLEN);
if (NULL != tmp->fullname)
{
strncpy(tmpbuf, tmp->fullname, strlen(tmp->fullname)+1);
}
if (strcmp(tmpbuf, newbuf) < 0)
{
list_add(&new->list, pos);
add_flag = 1;//已经插入
break;
}
}
}
else if (NoZimu == DAZIMU)//大写字母
{
// return 0;
}
else if (NoZimu == FUHAO)//符号
{
list_add(&new->list, head);
add_flag = 1;//已经插入
}
else if (NoZimu == HANZI)//汉字
{
list_for_each_prev(pos, head)//字母倒序遍历链表，寻找插入点
{
tmp = list_entry(pos, T_Node, list);
memset(tmpbuf, 0, MAXLEN);
if (NULL != tmp->fullname)
{
strncpy(tmpbuf, tmp->fullname, strlen(tmp->fullname)+1);
}
if (strcmp(tmpbuf, newbuf) < 0)
{
list_add(&new->list, pos);
add_flag = 1;//已经插入
break;
}
}
}
else if (NoZimu == BADNAME)
{
//do nothing
return 0;
}
if (!add_flag)//没有插入
{
list_add_tail(&new->list, head);
}
//FUNCTION_END
return 0;
}
//将media目录中的文件遍历排序，插入链表_headnode中
int search_media(const char *media, struct list_head **_headnode)
{
FUNCTION_BEGIN
DIR *dirp = NULL;
struct dirent *entp = NULL;
char buftmp[MAXLEN];
int i = 0;
init_list(_headnode);
//打开目录
if (NULL == (dirp = opendir(media)))
{
return -1;
}
//遍历目录
while (NULL != (entp = readdir(dirp)))
{
if (entp->d_type & DT_DIR)//子目录不处理
{
LOGD("continue\n");
continue;
}
else
{
i++;
sprintf(buftmp, "%s/%s", media, entp->d_name);//文件全路径
insert_by_order(buftmp, strlen(buftmp), *_headnode, get_num_from_medianame(buftmp));//按顺序插入节点
}
}
//关闭目录
closedir(dirp);
FUNCTION_END
if (i)
{
return 0;
}
else
{
return -1;
}
}
//打开收藏文件夹，建立收藏文件循环链表
int search_favourite_media(struct list_head **_headnode)
{
FUNCTION_BEGIN
FILE *fp = NULL;