static bool open_source(struct timeline *tl, char *filename) { void *ctx = talloc_new(NULL); bool res = false; struct bstr dirname = mp_dirname(tl->demuxer->filename); struct bstr base_filename = bstr0(mp_basename(filename)); if (!base_filename.len) { MP_WARN(tl, "CUE: Invalid audio filename in .cue file!\n"); } else { char *fullname = mp_path_join_bstr(ctx, dirname, base_filename); if (try_open(tl, fullname)) { res = true; goto out; } } // Try an audio file with the same name as the .cue file (but different // extension). // Rationale: this situation happens easily if the audio file or both files // are renamed. struct bstr cuefile = bstr_strip_ext(bstr0(mp_basename(tl->demuxer->filename))); DIR *d = opendir(bstrdup0(ctx, dirname)); if (!d) goto out; struct dirent *de; while ((de = readdir(d))) { char *dename0 = de->d_name; struct bstr dename = bstr0(dename0); if (bstr_case_startswith(dename, cuefile)) { MP_WARN(tl, "CUE: No useful audio filename " "in .cue file found, trying with '%s' instead!\n", dename0); if (try_open(tl, mp_path_join_bstr(ctx, dirname, dename))) { res = true; break; } } } closedir(d); out: talloc_free(ctx); if (!res) MP_ERR(tl, "CUE: Could not open audio file!\n"); return res; }
static void mp_load_per_file_config(struct MPContext *mpctx) { struct MPOpts *opts = mpctx->opts; char *confpath; char cfg[512]; const char *file = mpctx->filename; if (opts->use_filedir_conf) { if (snprintf(cfg, sizeof(cfg), "%s.conf", file) >= sizeof(cfg)) { MP_VERBOSE(mpctx, "Filename is too long, can not load file or " "directory specific config files\n"); return; } char *name = mp_basename(cfg); bstr dir = mp_dirname(cfg); char *dircfg = mp_path_join_bstr(NULL, dir, bstr0("mpv.conf")); try_load_config(mpctx, dircfg, FILE_LOCAL_FLAGS); talloc_free(dircfg); if (try_load_config(mpctx, cfg, FILE_LOCAL_FLAGS)) return; if ((confpath = mp_find_config_file(NULL, mpctx->global, name))) { try_load_config(mpctx, confpath, FILE_LOCAL_FLAGS); talloc_free(confpath); } } }
void playlist_add_base_path(struct playlist *pl, bstr base_path) { if (base_path.len == 0 || bstrcmp0(base_path, ".") == 0) return; for (struct playlist_entry *e = pl->first; e; e = e->next) { if (!mp_is_url(bstr0(e->filename))) { char *new_file = mp_path_join_bstr(e, base_path, bstr0(e->filename)); talloc_free(e->filename); e->filename = new_file; } } }
/* Returns a list of parts, or NULL on parse error. * Syntax (without file header or URI prefix): * url ::= <entry> ( (';' | '\n') <entry> )* * entry ::= <param> ( <param> ',' )* * param ::= [<string> '='] (<string> | '%' <number> '%' <bytes>) */ static struct tl_parts *parse_edl(bstr str) { struct tl_parts *tl = talloc_zero(NULL, struct tl_parts); while (str.len) { if (bstr_eatstart0(&str, "#")) bstr_split_tok(str, "\n", &(bstr){0}, &str); if (bstr_eatstart0(&str, "\n") || bstr_eatstart0(&str, ";")) continue; struct tl_part p = { .length = -1 }; int nparam = 0; while (1) { bstr name, val; // Check if it's of the form "name=..." int next = bstrcspn(str, "=%,;\n"); if (next > 0 && next < str.len && str.start[next] == '=') { name = bstr_splice(str, 0, next); str = bstr_cut(str, next + 1); } else { const char *names[] = {"file", "start", "length"}; // implied name name = bstr0(nparam < 3 ? names[nparam] : "-"); } if (bstr_eatstart0(&str, "%")) { int len = bstrtoll(str, &str, 0); if (!bstr_startswith0(str, "%") || (len > str.len - 1)) goto error; val = bstr_splice(str, 1, len + 1); str = bstr_cut(str, len + 1); } else { next = bstrcspn(str, ",;\n"); val = bstr_splice(str, 0, next); str = bstr_cut(str, next); } // Interpret parameters. Explicitly ignore unknown ones. if (bstr_equals0(name, "file")) { p.filename = bstrto0(tl, val); } else if (bstr_equals0(name, "start")) { if (!parse_time(val, &p.offset)) goto error; p.offset_set = true; } else if (bstr_equals0(name, "length")) { if (!parse_time(val, &p.length)) goto error; } else if (bstr_equals0(name, "timestamps")) { if (bstr_equals0(val, "chapters")) p.chapter_ts = true; } nparam++; if (!bstr_eatstart0(&str, ",")) break; } if (!p.filename) goto error; MP_TARRAY_APPEND(tl, tl->parts, tl->num_parts, p); } if (!tl->num_parts) goto error; return tl; error: talloc_free(tl); return NULL; } static struct demuxer *open_source(struct timeline *tl, char *filename) { for (int n = 0; n < tl->num_sources; n++) { struct demuxer *d = tl->sources[n]; if (strcmp(d->stream->url, filename) == 0) return d; } struct demuxer *d = demux_open_url(filename, NULL, tl->cancel, tl->global); if (d) { MP_TARRAY_APPEND(tl, tl->sources, tl->num_sources, d); } else { MP_ERR(tl, "EDL: Could not open source file '%s'.\n", filename); } return d; } static double demuxer_chapter_time(struct demuxer *demuxer, int n) { if (n < 0 || n >= demuxer->num_chapters) return -1; return demuxer->chapters[n].pts; } // Append all chapters from src to the chapters array. // Ignore chapters outside of the given time range. static void copy_chapters(struct demux_chapter **chapters, int *num_chapters, struct demuxer *src, double start, double len, double dest_offset) { for (int n = 0; n < src->num_chapters; n++) { double time = demuxer_chapter_time(src, n); if (time >= start && time <= start + len) { struct demux_chapter ch = { .pts = dest_offset + time - start, .metadata = mp_tags_dup(*chapters, src->chapters[n].metadata), }; MP_TARRAY_APPEND(NULL, *chapters, *num_chapters, ch); } } } // return length of the source in seconds, or -1 if unknown static double source_get_length(struct demuxer *demuxer) { double time; // <= 0 means DEMUXER_CTRL_NOTIMPL or DEMUXER_CTRL_DONTKNOW if (demux_control(demuxer, DEMUXER_CTRL_GET_TIME_LENGTH, &time) <= 0) time = -1; return time; } static void resolve_timestamps(struct tl_part *part, struct demuxer *demuxer) { if (part->chapter_ts) { double start = demuxer_chapter_time(demuxer, part->offset); double length = part->length; double end = length; if (end >= 0) end = demuxer_chapter_time(demuxer, part->offset + part->length); if (end >= 0 && start >= 0) length = end - start; part->offset = start; part->length = length; } if (!part->offset_set) part->offset = demuxer->start_time; } static void build_timeline(struct timeline *tl, struct tl_parts *parts) { tl->parts = talloc_array_ptrtype(tl, tl->parts, parts->num_parts + 1); double starttime = 0; for (int n = 0; n < parts->num_parts; n++) { struct tl_part *part = &parts->parts[n]; struct demuxer *source = open_source(tl, part->filename); if (!source) goto error; resolve_timestamps(part, source); double end_time = source_get_length(source); if (end_time >= 0) end_time += source->start_time; // Unknown length => use rest of the file. If duration is unknown, make // something up. if (part->length < 0) { if (end_time < 0) { MP_WARN(tl, "EDL: source file '%s' has unknown duration.\n", part->filename); end_time = 1; } part->length = end_time - part->offset; } else if (end_time >= 0) { double end_part = part->offset + part->length; if (end_part > end_time) { MP_WARN(tl, "EDL: entry %d uses %f " "seconds, but file has only %f seconds.\n", n, end_part, end_time); } } // Add a chapter between each file. struct demux_chapter ch = { .pts = starttime, .metadata = talloc_zero(tl, struct mp_tags), }; mp_tags_set_str(ch.metadata, "title", part->filename); MP_TARRAY_APPEND(tl, tl->chapters, tl->num_chapters, ch); // Also copy the source file's chapters for the relevant parts copy_chapters(&tl->chapters, &tl->num_chapters, source, part->offset, part->length, starttime); tl->parts[n] = (struct timeline_part) { .start = starttime, .source_start = part->offset, .source = source, }; starttime += part->length; } tl->parts[parts->num_parts] = (struct timeline_part) {.start = starttime}; tl->num_parts = parts->num_parts; tl->track_layout = tl->parts[0].source; return; error: tl->num_parts = 0; tl->num_chapters = 0; } // For security, don't allow relative or absolute paths, only plain filenames. // Also, make these filenames relative to the edl source file. static void fix_filenames(struct tl_parts *parts, char *source_path) { struct bstr dirname = mp_dirname(source_path); for (int n = 0; n < parts->num_parts; n++) { struct tl_part *part = &parts->parts[n]; char *filename = mp_basename(part->filename); // plain filename only part->filename = mp_path_join_bstr(parts, dirname, bstr0(filename)); } } static void build_mpv_edl_timeline(struct timeline *tl) { struct priv *p = tl->demuxer->priv; struct tl_parts *parts = parse_edl(p->data); if (!parts) { MP_ERR(tl, "Error in EDL.\n"); return; } MP_TARRAY_APPEND(tl, tl->sources, tl->num_sources, tl->demuxer); // Source is .edl and not edl:// => don't allow arbitrary paths if (tl->demuxer->stream->uncached_type != STREAMTYPE_EDL) fix_filenames(parts, tl->demuxer->filename); build_timeline(tl, parts); talloc_free(parts); } static int try_open_file(struct demuxer *demuxer, enum demux_check check) { struct priv *p = talloc_zero(demuxer, struct priv); demuxer->priv = p; demuxer->fully_read = true; struct stream *s = demuxer->stream; if (s->uncached_type == STREAMTYPE_EDL) { p->data = bstr0(s->path); return 0; } if (check >= DEMUX_CHECK_UNSAFE) { if (!bstr_equals0(stream_peek(s, strlen(HEADER)), HEADER)) return -1; } p->data = stream_read_complete(s, demuxer, 1000000); if (p->data.start == NULL) return -1; bstr_eatstart0(&p->data, HEADER); return 0; } const struct demuxer_desc demuxer_desc_edl = { .name = "edl", .desc = "Edit decision list", .open = try_open_file, .load_timeline = build_mpv_edl_timeline, };