mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 11:25:10 +00:00
10d82182e0
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4044 b3059339-0415-0410-9bf9-f77b7e298cf2
299 lines
7.2 KiB
C
299 lines
7.2 KiB
C
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include "playtree.h"
|
|
#include "libmpdemux/stream.h"
|
|
#include "mp_msg.h"
|
|
|
|
extern play_tree_t*
|
|
asx_parser_build_tree(char* buffer);
|
|
|
|
|
|
static char* buffer = NULL;
|
|
static int buffer_size = 0, buffer_end = 0;
|
|
|
|
|
|
|
|
play_tree_t*
|
|
parse_asx(stream_t* stream) {
|
|
int r;
|
|
int comments = 0,read = 1,eof = 0;
|
|
|
|
mp_msg(MSGT_PLAYTREE,MSGL_V,"Trying asx...\n");
|
|
|
|
while(1) {
|
|
if(read && eof) // Eof reached before anything useful
|
|
return NULL;
|
|
if(read) {
|
|
if(buffer_size - buffer_end < 50) buffer_size += 255;
|
|
buffer = (char*)realloc(buffer,buffer_size*sizeof(char));
|
|
if(buffer == NULL) {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Can't allocate %d bytes of memory\n",buffer_size*sizeof(char));
|
|
buffer_size = buffer_end = 0;
|
|
return NULL;
|
|
}
|
|
|
|
r = stream_read(stream,buffer+buffer_end,buffer_size-buffer_end-1);
|
|
if(r < 0) {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Can't read from stream r=%d\n",r);
|
|
return NULL;
|
|
} else if(r == 0)
|
|
eof = 1;
|
|
buffer_end += r;
|
|
buffer[buffer_end] = '\0';
|
|
}
|
|
|
|
if(comments) { // Jump comments
|
|
int e;
|
|
char* end = strstr(buffer,"-->");
|
|
if(!end) {
|
|
if(buffer[buffer_end-1] != '-')
|
|
buffer_end = 0; // Drop buffer content if last char isn't '-'
|
|
continue;
|
|
}
|
|
comments = 0;
|
|
e = end - buffer + 3;
|
|
if(e >= buffer_end) { // > seems impossible
|
|
buffer_end = 0; // Drop buffer content
|
|
read = 1;
|
|
continue;
|
|
}
|
|
buffer_end -= e;
|
|
memmove(buffer,end+3,buffer_end); // Drop comments
|
|
continue;
|
|
}
|
|
|
|
for(r= 0 ; r < buffer_end ; r++) {
|
|
if(strchr(" \n\r\t",buffer[r]) != NULL) // Jump space
|
|
continue;
|
|
if(buffer[r] != '<') {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_DBG2,"First char isn't '<' but '%c'\n",buffer[r]);
|
|
mp_msg(MSGT_PLAYTREE,MSGL_DBG3,"Buffer = [%s]\n",buffer);
|
|
return NULL;
|
|
}
|
|
break; // Stop on first '<'
|
|
}
|
|
if(r > buffer_end-4) { // We need more
|
|
if(r > 0) { // Drop unuseful beggining
|
|
buffer_end -= r;
|
|
memmove(buffer,&buffer[r],buffer_end);
|
|
}
|
|
read = 1;
|
|
continue;
|
|
}
|
|
|
|
if(strncmp(&buffer[r],"<!--",4) == 0) { // Comments
|
|
read = 0;
|
|
comments = 1;
|
|
continue;
|
|
}
|
|
|
|
if(strncasecmp(&buffer[r],"<ASX",4) != 0) // First element is not a comment nor an asx : end
|
|
return NULL;
|
|
|
|
|
|
mp_msg(MSGT_PLAYTREE,MSGL_V,"Detected asx format\n");
|
|
break;
|
|
}
|
|
// We have an asx : load it in memory and parse
|
|
|
|
while(!eof) {
|
|
if(buffer_size - buffer_end < 50) buffer_size += 255;
|
|
buffer = (char*)realloc(buffer,buffer_size*sizeof(char));
|
|
if(buffer == NULL) {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Can't allocate %d bytes of memory\n",buffer_size*sizeof(char));
|
|
buffer_size = buffer_end = 0;
|
|
return NULL;
|
|
}
|
|
r = stream_read(stream,buffer+buffer_end,buffer_size-buffer_end-1);
|
|
if(r > 0)
|
|
buffer_end += r;
|
|
if(r <= 0)
|
|
break;
|
|
buffer[buffer_end] = '\0';
|
|
}
|
|
|
|
mp_msg(MSGT_PLAYTREE,MSGL_DBG3,"Parsing asx file : [%s]\n",buffer);
|
|
return asx_parser_build_tree(buffer);
|
|
|
|
|
|
}
|
|
|
|
play_tree_t*
|
|
parse_textplain(stream_t *stream) {
|
|
char* end;
|
|
char* file;
|
|
int eof = 0,r,p_end=-1,resize = 0;
|
|
play_tree_t *list = NULL, *entry = NULL;
|
|
|
|
mp_msg(MSGT_PLAYTREE,MSGL_V,"Trying plaintext...\n");
|
|
|
|
if(buffer_size < 255 && ! stream->eof) {
|
|
buffer_size = 255;
|
|
buffer = (char*)realloc(buffer,buffer_size*sizeof(char));
|
|
if(buffer == NULL) {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Can't allocate %d bytes of memory\n",buffer_size*sizeof(char));
|
|
buffer_size = buffer_end = 0;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
while(!eof) {
|
|
if(resize) {
|
|
buffer_size += 255;
|
|
buffer = (char*)realloc(buffer,buffer_size*sizeof(char));
|
|
resize = 0;
|
|
if(buffer == NULL) {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Can't allocate %d bytes of memory\n",buffer_size*sizeof(char));
|
|
buffer_size = buffer_end = 0;
|
|
if(list) play_tree_free_list(list,1);
|
|
return NULL;
|
|
}
|
|
}
|
|
if(!stream->eof) {
|
|
r = stream_read(stream,buffer+buffer_end,buffer_size-buffer_end-1);
|
|
if(r < 0) {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Can't read from stream r=%d\n",r);
|
|
return NULL;
|
|
} else if(r == 0)
|
|
eof = 1;
|
|
buffer_end += r;
|
|
buffer[buffer_end] = '\0';
|
|
} else eof = 1;
|
|
r = 0;
|
|
while(1) {
|
|
p_end = r;
|
|
for( ; buffer[r] != '\0' ; r++) {
|
|
if(strchr(" \n\r\t",buffer[r]) != NULL)
|
|
continue;
|
|
break;
|
|
}
|
|
if(buffer[r] == '\0') {
|
|
p_end = r;
|
|
if(!eof)
|
|
resize = 1;
|
|
break;
|
|
}
|
|
end = strchr(&buffer[r],'\n');
|
|
if(!end) {
|
|
if(!eof) {
|
|
p_end = r;
|
|
if(p_end == 0) {
|
|
resize = 1;
|
|
}
|
|
break;
|
|
}
|
|
entry = play_tree_new();
|
|
play_tree_add_file(entry,&buffer[r]);
|
|
r = buffer_end;
|
|
|
|
}
|
|
else {
|
|
if(r > 0 && buffer[r-1] == '\r') r--;
|
|
file = (char*)malloc((end-(&buffer[r])+1)*sizeof(char));
|
|
if(file == NULL) {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Can't allocate %d bytes of memory\n",buffer_size*sizeof(char));
|
|
buffer_size = buffer_end = 0;
|
|
if(list) play_tree_free_list(list,1);
|
|
return NULL;
|
|
}
|
|
// TODO : Check if the given file exist and is readable (or it'a an url)
|
|
strncpy(file,&buffer[r],end-(&buffer[r]));
|
|
file[end-(&buffer[r])] = '\0';
|
|
entry = play_tree_new();
|
|
play_tree_add_file(entry,file);
|
|
free(file);
|
|
r += end-(&buffer[r]);
|
|
p_end = r;
|
|
}
|
|
if(entry) {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_DBG2,"Adding file %s to playlist\n",entry->files[0]);
|
|
if(list) play_tree_append_entry(list,entry);
|
|
else list = entry;
|
|
entry = NULL;
|
|
}
|
|
}
|
|
if(!eof && p_end > 0 && p_end < buffer_end) {
|
|
memmove(buffer,&buffer[p_end],buffer_end-p_end);
|
|
buffer_end -= p_end;
|
|
} else if(!eof && !resize && p_end == buffer_end) {
|
|
buffer_end = 0;
|
|
buffer[0] = '\0';
|
|
}
|
|
}
|
|
|
|
if(!list) return NULL;
|
|
entry = play_tree_new();
|
|
play_tree_set_child(entry,list);
|
|
return entry;
|
|
}
|
|
|
|
play_tree_t*
|
|
parse_playtree(stream_t *stream) {
|
|
play_tree_t* tree = NULL;
|
|
|
|
#ifdef DEBUG
|
|
assert(stream != NULL);
|
|
assert(stream->type == STREAMTYPE_PLAYLIST);
|
|
#endif
|
|
|
|
while(1) {
|
|
tree = parse_asx(stream);
|
|
if(tree) break;
|
|
// Here come the others formats ( textplain must stay the last one )
|
|
tree = parse_textplain(stream);
|
|
if(tree) break;
|
|
break;
|
|
}
|
|
|
|
if(tree)
|
|
mp_msg(MSGT_PLAYTREE,MSGL_V,"Playlist succefully parsed\n");
|
|
else mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Error while parsing playlist\n");
|
|
|
|
if(tree)
|
|
tree = play_tree_cleanup(tree);
|
|
|
|
if(!tree) mp_msg(MSGT_PLAYTREE,MSGL_WARN,"Warning empty playlist\n");
|
|
|
|
if(buffer) free(buffer);
|
|
buffer = NULL;
|
|
buffer_end = buffer_size = 0;
|
|
return tree;
|
|
}
|
|
|
|
play_tree_t*
|
|
parse_playlist_file(char* file) {
|
|
stream_t *stream;
|
|
play_tree_t* ret;
|
|
int fd;
|
|
|
|
if(!strcmp(file,"-"))
|
|
fd = 0;
|
|
else
|
|
fd = open(file,O_RDONLY);
|
|
|
|
if(fd < 0) {
|
|
mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Error while opening playlist file %s : %s\n",file,strerror(errno));
|
|
return NULL;
|
|
}
|
|
|
|
mp_msg(MSGT_PLAYTREE,MSGL_V,"Parsing playlist file %s...\n",file);
|
|
|
|
stream = new_stream(fd,STREAMTYPE_PLAYLIST);
|
|
ret = parse_playtree(stream);
|
|
if(close(fd) < 0)
|
|
mp_msg(MSGT_PLAYTREE,MSGL_ERR,"Warning error while closing playlist file %s : %s\n",file,strerror(errno));
|
|
free_stream(stream);
|
|
|
|
return ret;
|
|
|
|
}
|