mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 00:02:13 +00:00
25a4d10c8e
If --log-file was used in config files, this could be missing due to the exact timing when the messages are print, and when the options are applied. Fix this by always dumping the version again when a log file is opened.
515 lines
15 KiB
C
515 lines
15 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 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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* 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 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 along
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* 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 "config.h"
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#include "mpv_talloc.h"
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#include "misc/dispatch.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 "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/decode/dec_audio.h"
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#include "audio/out/ao.h"
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#include "demux/demux.h"
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#include "stream/stream.h"
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#include "sub/osd.h"
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#include "video/decode/dec_video.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);
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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,
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"%s (C) 2000-2017 mpv/MPlayer/mplayer2 projects\n built on %s\n",
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mpv_version, 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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}
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}
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static void shutdown_clients(struct MPContext *mpctx)
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{
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mp_client_enter_shutdown(mpctx);
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while (mp_clients_num(mpctx) || mpctx->outstanding_async) {
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mp_client_broadcast_event(mpctx, MPV_EVENT_SHUTDOWN, NULL);
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mp_wait_events(mpctx);
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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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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 HAVE_ENCODING
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encode_lavc_finish(mpctx->encode_lavc_ctx);
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encode_lavc_free(mpctx->encode_lavc_ctx);
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#endif
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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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talloc_free(mpctx->gl_cb_ctx);
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mpctx->gl_cb_ctx = NULL;
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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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if (mpctx->autodetach)
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pthread_detach(pthread_self());
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mp_msg_uninit(mpctx->global);
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pthread_mutex_destroy(&mpctx->lock);
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talloc_free(mpctx);
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}
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static int prepare_exit_cplayer(struct MPContext *mpctx, enum exit_reason how)
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{
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int rc = 0;
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const char *reason = NULL;
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if (how == EXIT_ERROR) {
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reason = "Fatal error";
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rc = 1;
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} else if (how == EXIT_NORMAL) {
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if (mpctx->stop_play == PT_QUIT) {
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reason = "Quit";
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rc = 0;
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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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rc = 0;
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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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rc = 0;
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}
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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)
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rc = mpctx->quit_custom_rc;
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mp_destroy(mpctx);
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return rc;
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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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int opt_exit = 0;
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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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opt_exit = 1;
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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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opt_exit = 1;
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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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opt_exit = 1;
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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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opt_exit = 1;
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}
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if (opts->audio_device && strcmp(opts->audio_device, "help") == 0) {
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ao_print_devices(mpctx->global, log);
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opt_exit = 1;
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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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opt_exit = 1;
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}
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#if HAVE_ENCODING
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if (encode_lavc_showhelp(log, opts->encode_opts))
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opt_exit = 1;
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#endif
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return opt_exit;
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}
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static void handle_deprecated_options(struct MPContext *mpctx)
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{
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struct MPOpts *opts = mpctx->opts;
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struct m_obj_settings *vo = opts->vo->video_driver_list;
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if (vo && vo->name && strcmp(vo->name, "opengl-hq") == 0) {
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MP_WARN(mpctx,
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"--vo=opengl-hq is deprecated! Use --profile=opengl-hq instead.\n");
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// Fudge it. This will replace the --vo option too, which is why we
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// unset/safe it, and later restore it.
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talloc_free(vo->name);
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vo->name = talloc_strdup(NULL, "opengl");
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m_config_set_profile(mpctx->mconfig, "opengl-hq", 0);
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}
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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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static void abort_playback_cb(void *ctx)
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{
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struct MPContext *mpctx = ctx;
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mp_abort_playback_async(mpctx);
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}
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struct MPContext *mp_create(void)
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{
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char *enable_talloc = getenv("MPV_LEAK_REPORT");
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if (enable_talloc && 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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};
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pthread_mutex_init(&mpctx->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->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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m_config_create_shadow(mpctx->mconfig);
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mpctx->global->opts = mpctx->opts;
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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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mp_input_set_cancel(mpctx->input, abort_playback_cb, mpctx);
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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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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 error, 0 on success.
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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, options);
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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 ? -2 : -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_set_callback = mp_on_set_option;
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mpctx->mconfig->option_set_callback_cb = mpctx;
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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 -2;
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handle_deprecated_options(mpctx);
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if (!print_libav_versions(mp_null_log, 0)) {
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// Using mismatched libraries can be legitimate, but even then it's
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// a bad idea. We don't acknowledge its usefulness and stability.
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print_libav_versions(mpctx->log, MSGL_FATAL);
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MP_FATAL(mpctx, "\nmpv was compiled against a different 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\nmpv does not support this "
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"configuration and will not run - rebuild mpv instead.\n");
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return -1;
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}
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if (!mpctx->playlist->first && !opts->player_idle_mode)
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return -3;
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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 HAVE_ENCODING
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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(opts->encode_opts,
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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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#endif
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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");
|
|
#endif
|
|
|
|
mp_load_scripts(mpctx);
|
|
|
|
if (opts->force_vo == 2 && handle_force_window(mpctx, false) < 0)
|
|
return -1;
|
|
|
|
MP_STATS(mpctx, "end init");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mpv_main(int argc, char *argv[])
|
|
{
|
|
struct MPContext *mpctx = mp_create();
|
|
|
|
char **options = argv && argv[0] ? argv + 1 : NULL; // skips program name
|
|
int r = mp_initialize(mpctx, options);
|
|
if (r == -2) // help
|
|
return prepare_exit_cplayer(mpctx, EXIT_NONE);
|
|
if (r == -3) { // nothing to play
|
|
mp_print_version(mpctx->log, true);
|
|
MP_INFO(mpctx, "%s", mp_help_text);
|
|
return prepare_exit_cplayer(mpctx, EXIT_NONE);
|
|
}
|
|
if (r < 0) // another error
|
|
return prepare_exit_cplayer(mpctx, EXIT_ERROR);
|
|
|
|
mp_play_files(mpctx);
|
|
return prepare_exit_cplayer(mpctx, EXIT_NORMAL);
|
|
}
|