mirror of
https://github.com/owntone/owntone-server.git
synced 2025-11-20 09:56:09 -05:00
Rename filescanner_m3u to _playlist, because we are going to add
support for pls
This commit is contained in:
ejurgensen
278
src/filescanner_playlist.c
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278
src/filescanner_playlist.c
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@@ -0,0 +1,278 @@
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/*
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* Copyright (C) 2009-2010 Julien BLACHE <jb@jblache.org>
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*
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* Rewritten from mt-daapd code:
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* Copyright (C) 2003 Ron Pedde (ron@pedde.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <limits.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include "logger.h"
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#include "db.h"
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#include "filescanner.h"
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#include "misc.h"
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/* Get metadata from the EXTINF tag */
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static int
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extinf_get(char *string, struct media_file_info *mfi, int *extinf)
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{
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char *ptr;
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if (strncmp(string, "#EXTINF:", strlen("#EXTINF:")) != 0)
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return 0;
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ptr = strchr(string, ',');
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if (!ptr || strlen(ptr) < 2)
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return 0;
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/* New extinf found, so clear old data */
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free_mfi(mfi, 1);
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*extinf = 1;
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mfi->artist = strdup(ptr + 1);
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ptr = strstr(mfi->artist, " -");
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if (ptr && strlen(ptr) > 3)
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mfi->title = strdup(ptr + 3);
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else
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mfi->title = strdup("");
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if (ptr)
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*ptr = '\0';
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return 1;
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}
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void
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scan_m3u_playlist(char *file, time_t mtime)
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{
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FILE *fp;
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struct media_file_info mfi;
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struct playlist_info *pli;
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struct stat sb;
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char buf[PATH_MAX];
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char *entry;
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char *filename;
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char *ptr;
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size_t len;
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int extinf;
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int pl_id;
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int mfi_id;
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int ret;
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int i;
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DPRINTF(E_LOG, L_SCAN, "Processing static playlist: %s\n", file);
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ret = stat(file, &sb);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_SCAN, "Could not stat() '%s': %s\n", file, strerror(errno));
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return;
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}
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filename = strrchr(file, '/');
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if (!filename)
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filename = file;
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else
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filename++;
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pli = db_pl_fetch_bypath(file);
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if (pli)
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{
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DPRINTF(E_DBG, L_SCAN, "Playlist found, updating\n");
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pl_id = pli->id;
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free_pli(pli, 0);
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db_pl_ping(pl_id);
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db_pl_clear_items(pl_id);
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}
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else
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pl_id = 0;
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fp = fopen(file, "r");
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if (!fp)
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{
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DPRINTF(E_LOG, L_SCAN, "Could not open playlist '%s': %s\n", file, strerror(errno));
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return;
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}
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if (pl_id == 0)
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{
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/* Get only the basename, to be used as the playlist name */
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ptr = strrchr(filename, '.');
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if (ptr)
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*ptr = '\0';
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/* Safe: filename is a subset of file which is <= PATH_MAX already */
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strncpy(buf, filename, sizeof(buf));
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/* Restore the full filename */
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if (ptr)
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*ptr = '.';
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ret = db_pl_add(buf, file, &pl_id);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_SCAN, "Error adding m3u playlist '%s'\n", file);
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return;
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}
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DPRINTF(E_INFO, L_SCAN, "Added playlist as id %d\n", pl_id);
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}
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extinf = 0;
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memset(&mfi, 0, sizeof(struct media_file_info));
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while (fgets(buf, sizeof(buf), fp) != NULL)
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{
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len = strlen(buf);
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if (len >= (sizeof(buf) - 1))
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{
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DPRINTF(E_LOG, L_SCAN, "Playlist entry exceeds PATH_MAX, discarding\n");
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continue;
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}
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/* rtrim and check that length is sane (ignore blank lines) */
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while ((len > 0) && isspace(buf[len - 1]))
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{
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len--;
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buf[len] = '\0';
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}
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if (len < 1)
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continue;
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/* Saves metadata in mfi if EXTINF metadata line */
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if (extinf_get(buf, &mfi, &extinf))
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continue;
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/* Check that first char is sane for a path */
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if ((!isalnum(buf[0])) && (buf[0] != '/') && (buf[0] != '.'))
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continue;
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/* Check if line is an URL, will be added to library */
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if (strcmp(buf, "http://") > 0)
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{
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DPRINTF(E_DBG, L_SCAN, "Playlist contains URL entry\n");
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filename = strdup(buf);
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if (!filename)
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{
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DPRINTF(E_LOG, L_SCAN, "Out of memory for playlist filename\n");
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continue;
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}
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if (extinf)
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DPRINTF(E_INFO, L_SCAN, "Playlist has EXTINF metadata, artist is '%s', title is '%s'\n", mfi.artist, mfi.title);
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filescanner_process_media(filename, mtime, 0, F_SCAN_TYPE_URL, &mfi);
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}
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/* Regular file, should already be in library */
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else
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{
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/* m3u might be from Windows so we change backslash to forward slash */
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for (i = 0; i < strlen(buf); i++)
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{
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if (buf[i] == '\\')
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buf[i] = '/';
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}
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/* Now search for the library item where the path has closest match to playlist item */
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/* Succes is when we find an unambiguous match, or when we no longer can expand the */
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/* the path to refine our search. */
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entry = NULL;
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do
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{
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ptr = strrchr(buf, '/');
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if (entry)
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*(entry - 1) = '/';
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if (ptr)
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{
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*ptr = '\0';
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entry = ptr + 1;
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}
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else
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entry = buf;
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DPRINTF(E_SPAM, L_SCAN, "Playlist entry is now %s\n", entry);
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ret = db_files_get_count_bymatch(entry);
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} while (ptr && (ret > 1));
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if (ret > 0)
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{
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mfi_id = db_file_id_bymatch(entry);
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DPRINTF(E_DBG, L_SCAN, "Found playlist entry match, id is %d, entry is %s\n", mfi_id, entry);
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filename = db_file_path_byid(mfi_id);
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if (!filename)
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{
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DPRINTF(E_LOG, L_SCAN, "Playlist entry %s matches file id %d, but file path is missing.\n", entry, mfi_id);
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continue;
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}
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}
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else
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{
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DPRINTF(E_DBG, L_SCAN, "No match for playlist entry %s\n", entry);
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continue;
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}
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}
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ret = db_pl_add_item_bypath(pl_id, filename);
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if (ret < 0)
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DPRINTF(E_WARN, L_SCAN, "Could not add %s to playlist\n", filename);
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/* Clean up in preparation for next item */
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extinf = 0;
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free_mfi(&mfi, 1);
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free(filename);
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}
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if (!feof(fp))
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{
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DPRINTF(E_LOG, L_SCAN, "Error reading playlist '%s': %s\n", file, strerror(errno));
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fclose(fp);
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return;
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}
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fclose(fp);
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DPRINTF(E_INFO, L_SCAN, "Done processing playlist\n");
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}
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