mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 17:42:17 +00:00
7c6570402b
The previous bunch of commits made this unnecessary, so this should be a purely internal change with no user impact. This may or may not open the way to future improvements. Even if not, at least the property/option interaction should now be much less buggy.
489 lines
14 KiB
C
489 lines
14 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <math.h>
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#include <assert.h>
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#include <string.h>
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#include <pthread.h>
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#include <locale.h>
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#include "config.h"
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#include "mpv_talloc.h"
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#include "misc/dispatch.h"
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#include "misc/thread_pool.h"
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#include "osdep/io.h"
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#include "osdep/terminal.h"
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#include "osdep/timer.h"
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#include "osdep/main-fn.h"
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#include "common/av_log.h"
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#include "common/codecs.h"
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#include "common/encode.h"
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#include "options/m_config.h"
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#include "options/m_option.h"
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#include "options/m_property.h"
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#include "common/common.h"
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#include "common/msg.h"
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#include "common/msg_control.h"
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#include "common/global.h"
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#include "filters/f_decoder_wrapper.h"
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#include "options/parse_configfile.h"
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#include "options/parse_commandline.h"
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#include "common/playlist.h"
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#include "options/options.h"
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#include "options/path.h"
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#include "input/input.h"
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#include "audio/out/ao.h"
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#include "demux/demux.h"
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#include "misc/thread_tools.h"
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#include "sub/osd.h"
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#include "test/tests.h"
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#include "video/out/vo.h"
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#include "core.h"
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#include "client.h"
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#include "command.h"
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#include "screenshot.h"
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static const char def_config[] =
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#include "player/builtin_conf.inc"
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;
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#if HAVE_COCOA
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#include "osdep/macosx_events.h"
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#endif
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#ifndef FULLCONFIG
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#define FULLCONFIG "(missing)\n"
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#endif
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#if !HAVE_STDATOMIC
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pthread_mutex_t mp_atomic_mutex = PTHREAD_MUTEX_INITIALIZER;
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#endif
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enum exit_reason {
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EXIT_NONE,
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EXIT_NORMAL,
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EXIT_ERROR,
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};
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const char mp_help_text[] =
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"Usage: mpv [options] [url|path/]filename\n"
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"\n"
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"Basic options:\n"
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" --start=<time> seek to given (percent, seconds, or hh:mm:ss) position\n"
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" --no-audio do not play sound\n"
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" --no-video do not play video\n"
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" --fs fullscreen playback\n"
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" --sub-file=<file> specify subtitle file to use\n"
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" --playlist=<file> specify playlist file\n"
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"\n"
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" --list-options list all mpv options\n"
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" --h=<string> print options which contain the given string in their name\n"
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"\n";
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static pthread_mutex_t terminal_owner_lock = PTHREAD_MUTEX_INITIALIZER;
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static struct MPContext *terminal_owner;
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static bool cas_terminal_owner(struct MPContext *old, struct MPContext *new)
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{
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pthread_mutex_lock(&terminal_owner_lock);
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bool r = terminal_owner == old;
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if (r)
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terminal_owner = new;
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pthread_mutex_unlock(&terminal_owner_lock);
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return r;
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}
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void mp_update_logging(struct MPContext *mpctx, bool preinit)
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{
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bool had_log_file = mp_msg_has_log_file(mpctx->global);
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mp_msg_update_msglevels(mpctx->global, mpctx->opts);
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bool enable = mpctx->opts->use_terminal;
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bool enabled = cas_terminal_owner(mpctx, mpctx);
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if (enable != enabled) {
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if (enable && cas_terminal_owner(NULL, mpctx)) {
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terminal_init();
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enabled = true;
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} else if (!enable) {
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terminal_uninit();
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cas_terminal_owner(mpctx, NULL);
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}
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}
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if (mp_msg_has_log_file(mpctx->global) && !had_log_file)
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mp_print_version(mpctx->log, false); // for log-file=... in config files
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if (enabled && !preinit && mpctx->opts->consolecontrols)
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terminal_setup_getch(mpctx->input);
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}
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void mp_print_version(struct mp_log *log, int always)
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{
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int v = always ? MSGL_INFO : MSGL_V;
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mp_msg(log, v, "%s %s\n built on %s\n",
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mpv_version, mpv_copyright, mpv_builddate);
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print_libav_versions(log, v);
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mp_msg(log, v, "\n");
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// Only in verbose mode.
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if (!always) {
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mp_msg(log, MSGL_V, "Configuration: " CONFIGURATION "\n");
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mp_msg(log, MSGL_V, "List of enabled features: %s\n", FULLCONFIG);
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#ifdef NDEBUG
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mp_msg(log, MSGL_V, "Built with NDEBUG.\n");
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#endif
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}
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}
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void mp_destroy(struct MPContext *mpctx)
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{
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mp_shutdown_clients(mpctx);
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mp_uninit_ipc(mpctx->ipc_ctx);
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mpctx->ipc_ctx = NULL;
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uninit_audio_out(mpctx);
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uninit_video_out(mpctx);
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// If it's still set here, it's an error.
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encode_lavc_free(mpctx->encode_lavc_ctx);
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mpctx->encode_lavc_ctx = NULL;
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command_uninit(mpctx);
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mp_clients_destroy(mpctx);
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osd_free(mpctx->osd);
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#if HAVE_COCOA
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cocoa_set_input_context(NULL);
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#endif
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if (cas_terminal_owner(mpctx, mpctx)) {
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terminal_uninit();
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cas_terminal_owner(mpctx, NULL);
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}
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mp_input_uninit(mpctx->input);
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uninit_libav(mpctx->global);
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mp_msg_uninit(mpctx->global);
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assert(!mpctx->num_abort_list);
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talloc_free(mpctx->abort_list);
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pthread_mutex_destroy(&mpctx->abort_lock);
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talloc_free(mpctx);
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}
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static bool handle_help_options(struct MPContext *mpctx)
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{
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struct MPOpts *opts = mpctx->opts;
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struct mp_log *log = mpctx->log;
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if (opts->audio_decoders && strcmp(opts->audio_decoders, "help") == 0) {
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struct mp_decoder_list *list = audio_decoder_list();
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mp_print_decoders(log, MSGL_INFO, "Audio decoders:", list);
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talloc_free(list);
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return true;
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}
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if (opts->audio_spdif && strcmp(opts->audio_spdif, "help") == 0) {
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MP_INFO(mpctx, "Choices: ac3,dts-hd,dts (and possibly more)\n");
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return true;
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}
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if (opts->video_decoders && strcmp(opts->video_decoders, "help") == 0) {
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struct mp_decoder_list *list = video_decoder_list();
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mp_print_decoders(log, MSGL_INFO, "Video decoders:", list);
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talloc_free(list);
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return true;
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}
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if ((opts->demuxer_name && strcmp(opts->demuxer_name, "help") == 0) ||
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(opts->audio_demuxer_name && strcmp(opts->audio_demuxer_name, "help") == 0) ||
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(opts->sub_demuxer_name && strcmp(opts->sub_demuxer_name, "help") == 0)) {
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demuxer_help(log);
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MP_INFO(mpctx, "\n");
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return true;
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}
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if (opts->ao_opts->audio_device &&
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strcmp(opts->ao_opts->audio_device, "help") == 0)
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{
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ao_print_devices(mpctx->global, log);
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return true;
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}
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if (opts->property_print_help) {
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property_print_help(mpctx);
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return true;
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}
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if (encode_lavc_showhelp(log, opts->encode_opts))
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return true;
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return false;
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}
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static int cfg_include(void *ctx, char *filename, int flags)
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{
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struct MPContext *mpctx = ctx;
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char *fname = mp_get_user_path(NULL, mpctx->global, filename);
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int r = m_config_parse_config_file(mpctx->mconfig, fname, NULL, flags);
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talloc_free(fname);
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return r;
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}
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// We mostly care about LC_NUMERIC, and how "." vs. "," is treated,
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// Other locale stuff might break too, but probably isn't too bad.
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static bool check_locale(void)
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{
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char *name = setlocale(LC_NUMERIC, NULL);
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return !name || strcmp(name, "C") == 0 || strcmp(name, "C.UTF-8") == 0;
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}
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struct MPContext *mp_create(void)
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{
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if (!check_locale()) {
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// Normally, we never print anything (except if the "terminal" option
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// is enabled), so this is an exception.
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fprintf(stderr, "Non-C locale detected. This is not supported.\n"
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"Call 'setlocale(LC_NUMERIC, \"C\");' in your code.\n");
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return NULL;
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}
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char *enable_talloc = getenv("MPV_LEAK_REPORT");
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if (!enable_talloc)
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enable_talloc = HAVE_TA_LEAK_REPORT ? "1" : "0";
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if (strcmp(enable_talloc, "1") == 0)
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talloc_enable_leak_report();
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mp_time_init();
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struct MPContext *mpctx = talloc(NULL, MPContext);
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*mpctx = (struct MPContext){
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.last_chapter = -2,
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.term_osd_contents = talloc_strdup(mpctx, ""),
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.osd_progbar = { .type = -1 },
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.playlist = talloc_struct(mpctx, struct playlist, {0}),
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.dispatch = mp_dispatch_create(mpctx),
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.playback_abort = mp_cancel_new(mpctx),
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.thread_pool = mp_thread_pool_create(mpctx, 0, 1, 30),
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.stop_play = PT_STOP,
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.play_dir = 1,
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};
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pthread_mutex_init(&mpctx->abort_lock, NULL);
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mpctx->global = talloc_zero(mpctx, struct mpv_global);
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// Nothing must call mp_msg*() and related before this
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mp_msg_init(mpctx->global);
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mpctx->log = mp_log_new(mpctx, mpctx->global->log, "!cplayer");
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mpctx->statusline = mp_log_new(mpctx, mpctx->log, "!statusline");
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// Create the config context and register the options
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mpctx->mconfig = m_config_new(mpctx, mpctx->log, sizeof(struct MPOpts),
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&mp_default_opts, mp_opts);
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mpctx->opts = mpctx->mconfig->optstruct;
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mpctx->global->config = mpctx->mconfig->shadow;
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mpctx->mconfig->includefunc = cfg_include;
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mpctx->mconfig->includefunc_ctx = mpctx;
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mpctx->mconfig->use_profiles = true;
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mpctx->mconfig->is_toplevel = true;
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mpctx->mconfig->global = mpctx->global;
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m_config_parse(mpctx->mconfig, "", bstr0(def_config), NULL, 0);
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mpctx->input = mp_input_init(mpctx->global, mp_wakeup_core_cb, mpctx);
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screenshot_init(mpctx);
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command_init(mpctx);
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init_libav(mpctx->global);
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mp_clients_init(mpctx);
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mpctx->osd = osd_create(mpctx->global);
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#if HAVE_COCOA
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cocoa_set_input_context(mpctx->input);
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#endif
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char *verbose_env = getenv("MPV_VERBOSE");
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if (verbose_env)
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mpctx->opts->verbose = atoi(verbose_env);
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mp_cancel_trigger(mpctx->playback_abort);
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return mpctx;
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}
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// Finish mpctx initialization. This must be done after setting up all options.
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// Some of the initializations depend on the options, and can't be changed or
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// undone later.
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// If options is not NULL, apply them as command line player arguments.
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// Returns: 0 on success, -1 on error, 1 if exiting normally (e.g. help).
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int mp_initialize(struct MPContext *mpctx, char **options)
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{
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struct MPOpts *opts = mpctx->opts;
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assert(!mpctx->initialized);
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// Preparse the command line, so we can init the terminal early.
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if (options) {
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m_config_preparse_command_line(mpctx->mconfig, mpctx->global,
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&opts->verbose, options);
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}
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mp_init_paths(mpctx->global, opts);
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mp_msg_set_early_logging(mpctx->global, true);
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mp_update_logging(mpctx, true);
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if (options) {
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MP_VERBOSE(mpctx, "Command line options:");
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for (int i = 0; options[i]; i++)
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MP_VERBOSE(mpctx, " '%s'", options[i]);
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MP_VERBOSE(mpctx, "\n");
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}
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mp_print_version(mpctx->log, false);
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mp_parse_cfgfiles(mpctx);
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if (options) {
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int r = m_config_parse_mp_command_line(mpctx->mconfig, mpctx->playlist,
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mpctx->global, options);
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if (r < 0)
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return r == M_OPT_EXIT ? 1 : -1;
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}
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if (opts->operation_mode == 1) {
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m_config_set_profile(mpctx->mconfig, "builtin-pseudo-gui",
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M_SETOPT_NO_OVERWRITE);
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m_config_set_profile(mpctx->mconfig, "pseudo-gui", 0);
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}
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mp_get_resume_defaults(mpctx);
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mp_input_load_config(mpctx->input);
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// From this point on, all mpctx members are initialized.
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mpctx->initialized = true;
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mpctx->mconfig->option_change_callback = mp_option_change_callback;
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mpctx->mconfig->option_change_callback_ctx = mpctx;
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// Run all update handlers.
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mp_option_change_callback(mpctx, NULL, UPDATE_OPTS_MASK);
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if (handle_help_options(mpctx))
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return 1; // help
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if (!print_libav_versions(mp_null_log, 0)) {
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print_libav_versions(mpctx->log, MSGL_FATAL);
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MP_FATAL(mpctx, "\nmpv was compiled against an incompatible version of "
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"FFmpeg/Libav than the shared\nlibrary it is linked against. "
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"This is most likely a broken build and could\nresult in "
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"misbehavior and crashes.\n\nThis is a broken build.\n");
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return -1;
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}
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#if HAVE_TESTS
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if (opts->test_mode && opts->test_mode[0])
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return run_tests(mpctx) ? 1 : -1;
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#endif
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if (!mpctx->playlist->first && !opts->player_idle_mode) {
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// nothing to play
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mp_print_version(mpctx->log, true);
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MP_INFO(mpctx, "%s", mp_help_text);
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return 1;
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}
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MP_STATS(mpctx, "start init");
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#if HAVE_COCOA
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mpv_handle *ctx = mp_new_client(mpctx->clients, "osx");
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cocoa_set_mpv_handle(ctx);
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#endif
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if (opts->encode_opts->file && opts->encode_opts->file[0]) {
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mpctx->encode_lavc_ctx = encode_lavc_init(mpctx->global);
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if(!mpctx->encode_lavc_ctx) {
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MP_INFO(mpctx, "Encoding initialization failed.\n");
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return -1;
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}
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m_config_set_profile(mpctx->mconfig, "encoding", 0);
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mp_input_enable_section(mpctx->input, "encode", MP_INPUT_EXCLUSIVE);
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}
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#if !HAVE_LIBASS
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MP_WARN(mpctx, "Compiled without libass.\n");
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MP_WARN(mpctx, "There will be no OSD and no text subtitles.\n");
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#endif
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mp_load_scripts(mpctx);
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if (opts->force_vo == 2 && handle_force_window(mpctx, false) < 0)
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return -1;
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MP_STATS(mpctx, "end init");
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return 0;
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}
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int mpv_main(int argc, char *argv[])
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{
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struct MPContext *mpctx = mp_create();
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if (!mpctx)
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return 1;
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mpctx->is_cli = true;
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char **options = argv && argv[0] ? argv + 1 : NULL; // skips program name
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int r = mp_initialize(mpctx, options);
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if (r == 0)
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mp_play_files(mpctx);
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int rc = 0;
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const char *reason = NULL;
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if (r < 0) {
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reason = "Fatal error";
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rc = 1;
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} else if (r > 0) {
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// nothing
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} else if (mpctx->stop_play == PT_QUIT) {
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reason = "Quit";
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} else if (mpctx->files_played) {
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if (mpctx->files_errored || mpctx->files_broken) {
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reason = "Some errors happened";
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rc = 3;
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} else {
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reason = "End of file";
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}
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} else if (mpctx->files_broken && !mpctx->files_errored) {
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reason = "Errors when loading file";
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rc = 2;
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} else if (mpctx->files_errored) {
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reason = "Interrupted by error";
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rc = 2;
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} else {
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reason = "No files played";
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}
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if (reason)
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MP_INFO(mpctx, "\nExiting... (%s)\n", reason);
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if (mpctx->has_quit_custom_rc)
|
|
rc = mpctx->quit_custom_rc;
|
|
|
|
mp_destroy(mpctx);
|
|
return rc;
|
|
}
|