diff options
Diffstat (limited to 'core/codecs.c')
-rw-r--r-- | core/codecs.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/core/codecs.c b/core/codecs.c deleted file mode 100644 index 943860a70b..0000000000 --- a/core/codecs.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * This file is part of mpv. - * - * mpv is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with mpv. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <assert.h> -#include "core/mp_talloc.h" -#include "core/bstr.h" -#include "core/mp_msg.h" -#include "codecs.h" - -void mp_add_decoder(struct mp_decoder_list *list, const char *family, - const char *codec, const char *decoder, const char *desc) -{ - struct mp_decoder_entry entry = { - .family = talloc_strdup(list, family), - .codec = talloc_strdup(list, codec), - .decoder = talloc_strdup(list, decoder), - .desc = talloc_strdup(list, desc), - }; - MP_TARRAY_APPEND(list, list->entries, list->num_entries, entry); -} - -static void mp_add_decoder_entry(struct mp_decoder_list *list, - struct mp_decoder_entry *entry) -{ - mp_add_decoder(list, entry->family, entry->codec, entry->decoder, - entry->desc); -} - -static struct mp_decoder_entry *find_decoder(struct mp_decoder_list *list, - bstr family, bstr decoder) -{ - for (int n = 0; n < list->num_entries; n++) { - struct mp_decoder_entry *cur = &list->entries[n]; - if (bstr_equals0(decoder, cur->decoder) && - bstr_equals0(family, cur->family)) - return cur; - } - return NULL; -} - -// Add entry, but only if it's not yet on the list, and if the codec matches. -// If codec == NULL, don't compare codecs. -static void add_new(struct mp_decoder_list *to, struct mp_decoder_entry *entry, - const char *codec) -{ - if (!entry || (codec && strcmp(entry->codec, codec) != 0)) - return; - if (!find_decoder(to, bstr0(entry->family), bstr0(entry->decoder))) - mp_add_decoder_entry(to, entry); -} - -// Select a decoder from the given list for the given codec. The selection -// can be influenced by the selection string, which can specify a priority -// list of preferred decoders. -// This returns a list of decoders to try, with the preferred decoders first. -// The selection string corresponds to --vd/--ad directly, and has the -// following syntax: -// selection = [<entry> ("," <entry>)*] -// entry = <family> ":" <decoder> // prefer decoder -// entry = <family> ":*" // prefer all decoders -// entry = "+" <family> ":" <decoder> // force a decoder -// entry = "-" <family> ":" <decoder> // exclude a decoder -// entry = "-" // don't add fallback decoders -// Forcing a decoder means it's added even if the codec mismatches. -struct mp_decoder_list *mp_select_decoders(struct mp_decoder_list *all, - const char *codec, - const char *selection) -{ - struct mp_decoder_list *list = talloc_zero(NULL, struct mp_decoder_list); - struct mp_decoder_list *remove = talloc_zero(NULL, struct mp_decoder_list); - if (!codec) - codec = "unknown"; - bool stop = false; - bstr sel = bstr0(selection); - while (sel.len) { - bstr entry; - bstr_split_tok(sel, ",", &entry, &sel); - if (bstr_equals0(entry, "-")) { - stop = true; - break; - } - bool force = bstr_eatstart0(&entry, "+"); - bool exclude = !force && bstr_eatstart0(&entry, "-"); - struct mp_decoder_list *dest = exclude ? remove : list; - bstr family, decoder; - if (!bstr_split_tok(entry, ":", &family, &decoder)) { - mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Decoders must be specified as " - "'family:decoder' for the --ad/--vd options.\n"); - break; - } - if (bstr_equals0(decoder, "*")) { - for (int n = 0; n < all->num_entries; n++) { - struct mp_decoder_entry *cur = &all->entries[n]; - if (bstr_equals0(family, cur->family)) - add_new(dest, cur, codec); - } - } else { - add_new(dest, find_decoder(all, family, decoder), - force ? NULL : codec); - } - } - if (!stop) { - // Add the remaining codecs which haven't been added yet - for (int n = 0; n < all->num_entries; n++) - add_new(list, &all->entries[n], codec); - } - for (int n = 0; n < remove->num_entries; n++) { - struct mp_decoder_entry *ex = &remove->entries[n]; - struct mp_decoder_entry *del = - find_decoder(list, bstr0(ex->family), bstr0(ex->decoder)); - if (del) { - int index = del - &list->entries[0]; - MP_TARRAY_REMOVE_AT(list->entries, list->num_entries, index); - } - } - talloc_free(remove); - return list; -} - -void mp_print_decoders(int msgt, int msgl, const char *header, - struct mp_decoder_list *list) -{ - mp_msg(msgt, msgl, "%s\n", header); - for (int n = 0; n < list->num_entries; n++) { - struct mp_decoder_entry *entry = &list->entries[n]; - mp_msg(msgt, msgl, " %s:%s", entry->family, entry->decoder); - if (strcmp(entry->decoder, entry->codec) != 0) - mp_msg(msgt, msgl, " (%s)", entry->codec); - mp_msg(msgt, msgl, " - %s\n", entry->desc); - } - if (list->num_entries == 0) - mp_msg(msgt, msgl, " (no decoders)\n"); -} |