int stream_seek_long(stream_t *s, int64_t pos){
int res;
int64_t newpos=0;
// if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ) printf("seek_long to 0x%X\n",(unsigned int)pos);
s->buf_pos=s->buf_len=0;
if(s->mode == STREAM_WRITE) {
if(!s->seek || !s->seek(s,pos))
return 0;
return 1;
}
if(s->sector_size)
newpos = (pos/s->sector_size)*s->sector_size;
else
newpos = pos&(~((int64_t)STREAM_BUFFER_SIZE-1));
if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ){
mp_msg(MSGT_STREAM,MSGL_DBG3, "s->pos=%"PRIX64" newpos=%"PRIX64" new_bufpos=%"PRIX64" buflen=%X \n",
(int64_t)s->pos,(int64_t)newpos,(int64_t)pos,s->buf_len);
}
pos-=newpos;
res = stream_seek_internal(s, newpos);
if (res >= 0)
return res;
while(s->pos<newpos){
if(stream_fill_buffer(s)<=0) break; // EOF
}
while(stream_fill_buffer(s) > 0 && pos >= 0) {
if(pos<=s->buf_len){
s->buf_pos=pos; // byte position in sector
return 1;
}
pos -= s->buf_len;
}
// if(pos==s->buf_len) printf("XXX Seek to last byte of file -> EOF\n");
mp_msg(MSGT_STREAM,MSGL_V,"stream_seek: WARNING! Can't seek to 0x%"PRIX64" !\n",(int64_t)(pos+newpos));
return 0;
}
int cache_stream_fill_buffer(stream_t *s){
int len;
if(s->eof){ s->buf_pos=s->buf_len=0; return 0; }
if(!s->cache_pid) return stream_fill_buffer(s);
// cache_stats(s->cache_data);
if(s->pos!=((cache_vars_t*)s->cache_data)->read_filepos) mp_msg(MSGT_CACHE,MSGL_ERR,"!!! read_filepos differs!!! report this bug...\n");
len=cache_read(s->cache_data,s->buffer, ((cache_vars_t*)s->cache_data)->sector_size);
//printf("cache_stream_fill_buffer->read -> %d\n",len);
if(len<=0){ s->eof=1; s->buf_pos=s->buf_len=0; return 0; }
s->buf_pos=0;
s->buf_len=len;
s->pos+=len;
// printf("[%d]",len);fflush(stdout);
return len;
}
void stream_dump(struct MPContext *mpctx)
{
struct MPOpts *opts = mpctx->opts;
char *filename = opts->stream_dump;
stream_t *stream = mpctx->stream;
assert(stream && filename);
int64_t size = 0;
stream_control(stream, STREAM_CTRL_GET_SIZE, &size);
stream_set_capture_file(stream, filename);
while (mpctx->stop_play == KEEP_PLAYING && !stream->eof) {
if (!opts->quiet && ((stream->pos / (1024 * 1024)) % 2) == 1) {
uint64_t pos = stream->pos;
MP_MSG(mpctx, MSGL_STATUS, "Dumping %lld/%lld...",
(long long int)pos, (long long int)size);
}
stream_fill_buffer(stream);
mp_process_input(mpctx);
}
}
/**
* \return 1 on success, 0 if the function was interrupted and -1 on error
*/
int stream_enable_cache(stream_t *stream,int size,int min,int seek_limit){
int ss = stream->sector_size ? stream->sector_size : STREAM_BUFFER_SIZE;
int res = -1;
cache_vars_t* s;
if (stream->flags & STREAM_NON_CACHEABLE) {
mp_msg(MSGT_CACHE,MSGL_STATUS,"\rThis stream is non-cacheable\n");
return 1;
}
s=cache_init(size,ss);
if(s == NULL) return -1;
stream->cache_data=s;
s->stream=stream; // callback
s->seek_limit=seek_limit;
//make sure that we won't wait from cache_fill
//more data than it is alowed to fill
if (s->seek_limit > s->buffer_size - s->fill_limit ){
s->seek_limit = s->buffer_size - s->fill_limit;
}
if (min > s->buffer_size - s->fill_limit) {
min = s->buffer_size - s->fill_limit;
}
#if !defined(__MINGW32__) && !defined(PTHREAD_CACHE) && !defined(__OS2__)
if((stream->cache_pid=fork())){
if ((pid_t)stream->cache_pid == -1)
stream->cache_pid = 0;
#else
{
stream_t* stream2=malloc(sizeof(stream_t));
memcpy(stream2,s->stream,sizeof(stream_t));
s->stream=stream2;
#if defined(__MINGW32__)
stream->cache_pid = _beginthread( ThreadProc, 0, s );
#elif defined(__OS2__)
stream->cache_pid = _beginthread( ThreadProc, NULL, 256 * 1024, s );
#else
{
pthread_t tid;
pthread_create(&tid, NULL, ThreadProc, s);
stream->cache_pid = 1;
}
#endif
#endif
if (!stream->cache_pid) {
mp_msg(MSGT_CACHE, MSGL_ERR,
"Starting cache process/thread failed: %s.\n", strerror(errno));
goto err_out;
}
// wait until cache is filled at least prefill_init %
mp_msg(MSGT_CACHE,MSGL_V,"CACHE_PRE_INIT: %"PRId64" [%"PRId64"] %"PRId64" pre:%d eof:%d \n",
(int64_t)s->min_filepos,(int64_t)s->read_filepos,(int64_t)s->max_filepos,min,s->eof);
while(s->read_filepos<s->min_filepos || s->max_filepos-s->read_filepos<min){
mp_msg(MSGT_CACHE,MSGL_STATUS,MSGTR_CacheFill,
100.0*(float)(s->max_filepos-s->read_filepos)/(float)(s->buffer_size),
(int64_t)s->max_filepos-s->read_filepos
);
if(s->eof) break; // file is smaller than prefill size
if(stream_check_interrupt(PREFILL_SLEEP_TIME)) {
res = 0;
goto err_out;
}
}
mp_msg(MSGT_CACHE,MSGL_STATUS,"\n");
return 1; // parent exits
err_out:
cache_uninit(stream);
return res;
}
#if defined(__MINGW32__) || defined(PTHREAD_CACHE) || defined(__OS2__)
}
#ifdef PTHREAD_CACHE
static void *ThreadProc( void *s ){
#else
static void ThreadProc( void *s ){
#endif
#endif
#ifdef CONFIG_GUI
use_gui = 0; // mp_msg may not use gui stuff in forked code
#endif
// cache thread mainloop:
signal(SIGTERM,exit_sighandler); // kill
do {
if(!cache_fill(s)){
usec_sleep(FILL_USLEEP_TIME); // idle
}
// cache_stats(s->cache_data);
} while (cache_execute_control(s));
#if defined(__MINGW32__) || defined(__OS2__)
_endthread();
#elif defined(PTHREAD_CACHE)
return NULL;
#else
// make sure forked code never leaves this function
exit(0);
#endif
}
int cache_stream_fill_buffer(stream_t *s){
int len;
if(s->eof){ s->buf_pos=s->buf_len=0; return 0; }
if(!s->cache_pid) return stream_fill_buffer(s);
// cache_stats(s->cache_data);
if(s->pos!=((cache_vars_t*)s->cache_data)->read_filepos) mp_msg(MSGT_CACHE,MSGL_ERR,"!!! read_filepos differs!!! report this bug...\n");
len=cache_read(s->cache_data,s->buffer, ((cache_vars_t*)s->cache_data)->sector_size);
//printf("cache_stream_fill_buffer->read -> %d\n",len);
if(len<=0){ s->eof=1; s->buf_pos=s->buf_len=0; return 0; }
s->buf_pos=0;
s->buf_len=len;
s->pos+=len;
// printf("[%d]",len);fflush(stdout);
return len;
}
int stream_seek_long(stream_t *s,off_t pos){
off_t newpos=0;
// if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ) printf("seek_long to 0x%X\n",(unsigned int)pos);
s->buf_pos=s->buf_len=0;
if(s->mode == STREAM_WRITE) {
if(!s->seek || !s->seek(s,pos))
return 0;
return 1;
}
if(s->sector_size)
newpos = (pos/s->sector_size)*s->sector_size;
else
newpos = pos&(~((off_t)STREAM_BUFFER_SIZE-1));
if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ){
mp_msg(MSGT_STREAM,MSGL_DBG3, "s->pos=%"PRIX64" newpos=%"PRIX64" new_bufpos=%"PRIX64" buflen=%X \n",
(int64_t)s->pos,(int64_t)newpos,(int64_t)pos,s->buf_len);
}
pos-=newpos;
if(newpos==0 || newpos!=s->pos){
switch(s->type){
case STREAMTYPE_STREAM:
//s->pos=newpos; // real seek
// Some streaming protocol allow to seek backward and forward
// A function call that return -1 can tell that the protocol
// doesn't support seeking.
#ifdef MPLAYER_NETWORK
if(s->seek) { // new stream seek is much cleaner than streaming_ctrl one
if(!s->seek(s,newpos)) {
mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
return 0;
}
break;
}
if( s->streaming_ctrl!=NULL && s->streaming_ctrl->streaming_seek ) {
if( s->streaming_ctrl->streaming_seek( s->fd, pos, s->streaming_ctrl )<0 ) {
mp_msg(MSGT_STREAM,MSGL_INFO,"Stream not seekable!\n");
return 1;
}
}
#else
if(newpos<s->pos){
mp_msg(MSGT_STREAM,MSGL_INFO,"Cannot seek backward in linear streams!\n");
return 1;
}
while(s->pos<newpos){
if(stream_fill_buffer(s)<=0) break; // EOF
}
#endif
break;
default:
// This should at the beginning as soon as all streams are converted
if(!s->seek)
return 0;
// Now seek
if(!s->seek(s,newpos)) {
mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
return 0;
}
}
// putchar('.');fflush(stdout);
//} else {
// putchar('%');fflush(stdout);
}
while(stream_fill_buffer(s) > 0 && pos >= 0) {
if(pos<=s->buf_len){
s->buf_pos=pos; // byte position in sector
return 1;
}
pos -= s->buf_len;
}
// if(pos==s->buf_len) printf("XXX Seek to last byte of file -> EOF\n");
mp_msg(MSGT_STREAM,MSGL_V,"stream_seek: WARNING! Can't seek to 0x%"PRIX64" !\n",(int64_t)(pos+newpos));
return 0;
}
