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🎥 Command line media player
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301/* * This file is part of mpv. * * mpv is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * mpv is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with mpv. If not, see <http://www.gnu.org/licenses/>. */
#include <string.h>#include <stdlib.h>#include <assert.h>
#include "osdep/io.h"
#include "common/common.h"#include "common/global.h"#include "common/msg.h"#include "misc/charset_conv.h"#include "misc/language.h"#include "options/options.h"#include "options/path.h"#include "player/core.h"#include "external_files.h"
// Needed for mp_might_be_subtitle_filechar **sub_exts;
static int test_ext(MPOpts *opts, bstr ext){ if (str_in_list(ext, opts->sub_auto_exts)) return STREAM_SUB; if (str_in_list(ext, opts->audio_exts)) return STREAM_AUDIO; if (str_in_list(ext, opts->image_exts)) return STREAM_VIDEO; return -1;}
static int test_cover_filename(bstr fname, char **cover_files){ for (int n = 0; cover_files && cover_files[n]; n++) { if (bstrcasecmp(bstr0(cover_files[n]), fname) == 0) { size_t size = n; while (cover_files[++size]); return size - n; } } return 0;}
bool mp_might_be_subtitle_file(const char *filename){ return str_in_list(bstr_get_ext(bstr0(filename)), sub_exts);}
void mp_update_subtitle_exts(struct MPOpts *opts){ sub_exts = opts->sub_auto_exts;}
static int compare_sub_filename(const void *a, const void *b){ const struct subfn *s1 = a; const struct subfn *s2 = b; return strcoll(s1->fname, s2->fname);}
static int compare_sub_priority(const void *a, const void *b){ const struct subfn *s1 = a; const struct subfn *s2 = b; if (s1->priority > s2->priority) return -1; if (s1->priority < s2->priority) return 1; return strcoll(s1->fname, s2->fname);}
static void append_dir_subtitles(struct mpv_global *global, struct MPOpts *opts, struct subfn **slist, int *nsub, struct bstr path, const char *fname, int limit_fuzziness, int limit_type){ void *tmpmem = talloc_new(NULL); struct mp_log *log = mp_log_new(tmpmem, global->log, "find_files");
struct bstr f_fbname = bstr0(mp_basename(fname)); struct bstr f_fname = mp_iconv_to_utf8(log, f_fbname, "UTF-8-MAC", MP_NO_LATIN1_FALLBACK); struct bstr f_fname_noext = bstrdup(tmpmem, bstr_strip_ext(f_fname)); struct bstr f_fname_trim = bstr_strip(f_fname_noext);
if (f_fbname.start != f_fname.start) talloc_steal(tmpmem, f_fname.start);
char *path0 = bstrdup0(tmpmem, path);
if (mp_is_url(bstr0(path0))) goto out;
DIR *d = opendir(path0); if (!d) goto out; mp_verbose(log, "Loading external files in %.*s\n", BSTR_P(path)); struct dirent *de; while ((de = readdir(d))) { void *tmpmem2 = talloc_new(tmpmem); struct bstr den = bstr0(de->d_name); struct bstr dename = mp_iconv_to_utf8(log, den, "UTF-8-MAC", MP_NO_LATIN1_FALLBACK); // retrieve various parts of the filename struct bstr tmp_fname_noext = bstrdup(tmpmem2, bstr_strip_ext(dename)); struct bstr tmp_fname_ext = bstr_get_ext(dename); struct bstr tmp_fname_trim = bstr_strip(tmp_fname_noext);
if (den.start != dename.start) talloc_steal(tmpmem2, dename.start);
// check what it is (most likely) int type = test_ext(opts, tmp_fname_ext); char **langs = NULL; int fuzz = -1; switch (type) { case STREAM_SUB: langs = opts->stream_lang[type]; fuzz = opts->sub_auto; break; case STREAM_AUDIO: langs = opts->stream_lang[type]; fuzz = opts->audiofile_auto; break; case STREAM_VIDEO: fuzz = opts->coverart_auto; break; }
if (fuzz < 0 || (limit_type >= 0 && limit_type != type)) goto next_sub;
// we have a (likely) subtitle file // higher prio -> auto-selection may prefer it (0 = not loaded) int prio = 0;
if (bstrcasecmp(tmp_fname_trim, f_fname_trim) == 0) prio |= 32; // exact movie name match
bstr lang = {0}; int start = 0; lang = mp_guess_lang_from_filename(dename, &start); if (bstr_case_startswith(tmp_fname_trim, f_fname_trim)) { if (lang.len && start == f_fname_trim.len) prio |= 16; // exact movie name + followed by lang
if (lang.len && fuzz >= 1) prio |= 4; // matches the movie name + a language was matched
for (int n = 0; langs && langs[n]; n++) { if (lang.len && bstr_case_startswith(lang, bstr0(langs[n]))) { if (fuzz >= 1) prio |= 8; // known language -> boost priority break; } } }
if (bstr_find(tmp_fname_trim, f_fname_trim) >= 0 && fuzz >= 1) prio |= 2; // contains the movie name
if (type == STREAM_VIDEO && prio == 0) prio = test_cover_filename(tmp_fname_trim, opts->coverart_whitelist);
// doesn't contain the movie name // don't try in the mplayer subtitle directory if (!limit_fuzziness && fuzz >= 2) prio |= 1;
mp_trace(log, "Potential external file: \"%s\" Priority: %d\n", de->d_name, prio);
if (prio) { char *subpath = mp_path_join_bstr(*slist, path, dename); if (mp_path_exists(subpath)) { MP_TARRAY_GROW(NULL, *slist, *nsub); struct subfn *sub = *slist + (*nsub)++;
// annoying and redundant if (strncmp(subpath, "./", 2) == 0) subpath += 2;
sub->type = type; sub->priority = prio; sub->fname = subpath; sub->lang = lang.len ? bstrdup0(*slist, lang) : NULL; } else talloc_free(subpath); }
next_sub: talloc_free(tmpmem2); } closedir(d);
out: talloc_free(tmpmem);}
static bool case_endswith(const char *s, const char *end){ size_t len = strlen(s); size_t elen = strlen(end); return len >= elen && strcasecmp(s + len - elen, end) == 0;}
// Drop .sub file if .idx file exists.// Assumes slist is sorted by compare_sub_filename.static void filter_subidx(struct subfn **slist, int *nsub){ const char *prev = NULL; for (int n = 0; n < *nsub; n++) { const char *fname = (*slist)[n].fname; if (case_endswith(fname, ".idx")) { prev = fname; } else if (case_endswith(fname, ".sub")) { if (prev && strncmp(prev, fname, strlen(fname) - 4) == 0) (*slist)[n].priority = -1; } } for (int n = *nsub - 1; n >= 0; n--) { if ((*slist)[n].priority < 0) MP_TARRAY_REMOVE_AT(*slist, *nsub, n); }}
static void load_paths(struct mpv_global *global, struct MPOpts *opts, struct subfn **slist, int *nsubs, const char *fname, char **paths, char *cfg_path, int type){ for (int i = 0; paths && paths[i]; i++) { char *expanded_path = mp_get_user_path(NULL, global, paths[i]); char *path = mp_path_join_bstr( *slist, mp_dirname(fname), bstr0(expanded_path ? expanded_path : paths[i])); append_dir_subtitles(global, opts, slist, nsubs, bstr0(path), fname, 0, type); talloc_free(expanded_path); }
// Load subtitles in ~/.mpv/sub (or similar) limiting sub fuzziness char *mp_subdir = mp_find_config_file(NULL, global, cfg_path); if (mp_subdir) { append_dir_subtitles(global, opts, slist, nsubs, bstr0(mp_subdir), fname, 1, type); } talloc_free(mp_subdir);}
// Return a list of subtitles and audio files found, sorted by priority.// Last element is terminated with a fname==NULL entry.struct subfn *find_external_files(struct mpv_global *global, const char *fname, struct MPOpts *opts){ struct subfn *slist = talloc_array_ptrtype(NULL, slist, 1); int n = 0;
// Load subtitles from current media directory append_dir_subtitles(global, opts, &slist, &n, mp_dirname(fname), fname, 0, -1);
// Load subtitles in dirs specified by sub-paths option if (opts->sub_auto >= 0) { load_paths(global, opts, &slist, &n, fname, opts->sub_paths, "sub", STREAM_SUB); }
if (opts->audiofile_auto >= 0) { load_paths(global, opts, &slist, &n, fname, opts->audiofile_paths, "audio", STREAM_AUDIO); }
// Sort by name for filter_subidx() qsort(slist, n, sizeof(*slist), compare_sub_filename);
filter_subidx(&slist, &n);
// Sort subs by priority and append them qsort(slist, n, sizeof(*slist), compare_sub_priority);
struct subfn z = {0}; MP_TARRAY_APPEND(NULL, slist, n, z);
return slist;}