/* XXX: use llseek */
static int64_t list_seek(URLContext *h, int64_t pos, int whence)
{
struct list_mgt *mgt = h->priv_data;
struct list_item *item,*item1;
if (whence == AVSEEK_BUFFERED_TIME)
{
int64_t buffed_time=0;
if(mgt->current_item && mgt->current_item->duration>0){
//av_log(NULL, AV_LOG_INFO, "list_seek uui=%ld,size=%lld\n",mgt->cur_uio,url_fsize(mgt->cur_uio));
if(mgt->cur_uio && url_fsize(mgt->cur_uio)>0)
{
//av_log(NULL, AV_LOG_INFO, "list_seek start_time=%ld,pos=%lld\n",mgt->current_item->start_time,url_buffed_pos(mgt->cur_uio));
buffed_time=mgt->current_item->start_time+url_buffed_pos(mgt->cur_uio)*mgt->current_item->duration/url_fsize(mgt->cur_uio);
}
else{
buffed_time=mgt->current_item->start_time;
}
}
av_log(NULL, AV_LOG_INFO, "list current buffed_time=%lld\n",buffed_time);
return buffed_time;
}
av_log(NULL, AV_LOG_INFO, "list_seek pos=%lld,whence=%x\n",pos,whence);
if (whence == AVSEEK_SIZE)
return mgt->file_size;
if (whence == AVSEEK_FULLTIME)
{
if(mgt->have_list_end)
return mgt->full_time;
else
return -1;
}
if(whence == AVSEEK_TO_TIME && pos>=0 && pos<mgt->full_time)
{
av_log(NULL, AV_LOG_INFO, "list_seek to Time =%lld,whence=%x\n",pos,whence);
for(item=mgt->item_list;item;item=item->next)
{
if(item->start_time<=pos && pos <item->start_time+item->duration)
{
if(mgt->cur_uio)
url_fclose(mgt->cur_uio);
mgt->cur_uio=NULL;
mgt->current_item=item;
av_log(NULL, AV_LOG_INFO, "list_seek to item->file =%s\n",item->file);
return item->start_time;/*pos=0;*/
}
}
}
av_log(NULL, AV_LOG_INFO, "list_seek failed\n");
return -1;
/* XXX: use llseek */
static int64_t list_seek(URLContext *h, int64_t pos, int whence)
{
struct list_mgt *mgt = h->priv_data;
URLContext *subh;
struct list_mgt *submgt;
struct list_item *item,*item1;
struct list_item *cur_item;
int fulltime;
if (!h->support_time_seek) {
if(!mgt->have_list_end && mgt->have_sub_list && mgt->cur_uio){
if(mgt->cur_uio->support_time_seek){
h->support_time_seek = 1;
av_log(NULL, AV_LOG_INFO, "sub list support seek\n");
}
}
}
if (whence == AVSEEK_BUFFERED_TIME)
{
int64_t buffed_time=0;
if(mgt->current_item ){
//av_log(NULL, AV_LOG_INFO, "list_seek uui=%ld,size=%lld\n",mgt->cur_uio,url_fsize(mgt->cur_uio));
if(mgt->cur_uio && url_fsize(mgt->cur_uio)>0 && mgt->current_item->duration>=0){
//av_log(NULL, AV_LOG_INFO, "list_seek start_time=%ld,pos=%lld\n",mgt->current_item->start_time,url_buffed_pos(mgt->cur_uio));
buffed_time=mgt->current_item->start_time+url_buffed_pos(mgt->cur_uio)*mgt->current_item->duration/url_fsize(mgt->cur_uio);
}
else{
buffed_time=mgt->current_item->start_time;
if(mgt->current_item && (mgt->current_item->flags & ENDLIST_FLAG))
buffed_time=mgt->full_time;/*read to end list, show full bufferd*/
}
}
//av_log(NULL, AV_LOG_INFO, "list current buffed_time=%lld\n",buffed_time);
return buffed_time;
}
if (whence == AVSEEK_SIZE)
return mgt->file_size;
av_log(NULL, AV_LOG_INFO, "list_seek pos=%lld,whence=%x\n",pos,whence);
if (whence == AVSEEK_FULLTIME)
{
if(mgt->have_list_end){
av_log(NULL, AV_LOG_INFO, "return mgt->full_timet=%d\n",mgt->full_time);
return mgt->full_time;
}else if(mgt->have_sub_list && mgt->cur_uio){
subh = mgt->cur_uio->opaque;
av_log(NULL, AV_LOG_INFO, "seek sub file for fulltime\n");
return list_seek(subh,pos, whence);
}else
return -1;
}
if(whence == AVSEEK_TO_TIME)
{
av_log(NULL, AV_LOG_INFO, "list_seek to Time =%lld,whence=%x,have sublist:%d\n",pos,whence,mgt->have_sub_list);
if (!mgt->have_sub_list) {
if(pos>=0 && pos<mgt->full_time) {
for(item=mgt->item_list;item;item=item->next)
{
if(item->start_time<=pos && pos <item->start_time+item->duration)
{
if(mgt->cur_uio){
url_fclose(mgt->cur_uio);
}
mgt->cur_uio=NULL;
mgt->current_item=item;
av_log(NULL, AV_LOG_INFO, "list_seek to item->file =%s\n",item->file);
return item->start_time;/*pos=0;*/
}
}
}
} else {
if(!mgt->cur_uio){
av_log(NULL, AV_LOG_ERROR, "byteio already close, seek failed!\n");
return -1;
}
subh = mgt->cur_uio->opaque;
submgt = subh->priv_data;
if(subh && submgt) {
av_log(NULL, AV_LOG_INFO, "have sub list, go2 low level, location=%s\n",submgt->location);
return list_seek(subh, pos, whence);
}
}
}
av_log(NULL, AV_LOG_INFO, "list_seek failed\n");
return -1;
}
