mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 08:12:17 +00:00
3477088741
The client API (libmpv) and encoding (--o) have slightly different defaults from the command line player. Instead of doing a bunch of calls to set the options explicitly, use profiles. This is simpler and has the advantage that they can be listed on command line (instead of possibly forcing the user to find and read the code to know all the details).
526 lines
15 KiB
C
526 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 "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 "audio/mixer.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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#ifdef _WIN32
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#include <windows.h>
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#endif
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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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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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"\n";
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static const char def_config[] =
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"[pseudo-gui]\n"
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"terminal=no\n"
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"force-window=yes\n"
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"idle=once\n"
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"screenshot-directory=~~desktop/\n"
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"\n"
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"[libmpv]\n"
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"config=no\n"
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"idle=yes\n"
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"terminal=no\n"
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"input-terminal=no\n"
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"osc=no\n"
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"ytdl=no\n"
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"input-default-bindings=no\n"
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"input-vo-keyboard=no\n"
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"input-lirc=no\n"
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"input-appleremote=no\n"
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"input-media-keys=no\n"
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"input-app-events=no\n"
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"stop-playback-on-init-failure=yes\n"
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#if HAVE_ENCODING
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"\n"
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"[encoding]\n"
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"vo=lavc\n"
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"ao=lavc\n"
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"keep-open=no\n"
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"force-window=no\n"
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"gapless-audio=yes\n"
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"resume-playback=no\n"
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"load-scripts=no\n"
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"osc=no\n"
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"framedrop=no\n"
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#endif
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;
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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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static void update_logging(struct MPContext *mpctx)
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{
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mp_msg_update_msglevels(mpctx->global);
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if (mpctx->opts->use_terminal && cas_terminal_owner(NULL, mpctx))
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terminal_init();
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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) 2000-2015 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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while (mpctx->clients && mp_clients_num(mpctx)) {
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mp_client_broadcast_event(mpctx, MPV_EVENT_SHUTDOWN, NULL);
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mp_dispatch_queue_process(mpctx->dispatch, 0);
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mp_wait_events(mpctx, 10000);
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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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#if !defined(__MINGW32__)
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mp_uninit_ipc(mpctx->ipc_ctx);
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mpctx->ipc_ctx = NULL;
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#endif
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shutdown_clients(mpctx);
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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_dispatch_set_wakeup_fn(mpctx->dispatch, NULL, NULL);
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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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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->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 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 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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struct MPContext *mp_create(void)
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{
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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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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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struct MPOpts *def_opts = talloc_ptrtype(mpctx, def_opts);
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*def_opts = mp_default_opts;
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def_opts->network_useragent = (char *)mpv_version;
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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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def_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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m_config_parse(mpctx->mconfig, "", bstr0(def_config), NULL, 0);
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mpctx->global->opts = mpctx->opts;
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mpctx->input = mp_input_init(mpctx->global);
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screenshot_init(mpctx);
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mpctx->mixer = mixer_init(mpctx, mpctx->global);
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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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return mpctx;
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}
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void wakeup_playloop(void *ctx)
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{
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struct MPContext *mpctx = ctx;
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mp_input_wakeup(mpctx->input);
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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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if (options) {
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// Preparse the command line, so we can init the terminal early.
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m_config_preparse_command_line(mpctx->mconfig, mpctx->global, options);
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update_logging(mpctx);
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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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update_logging(mpctx);
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mp_print_version(mpctx->log, false);
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mp_parse_cfgfiles(mpctx);
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update_logging(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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update_logging(mpctx);
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}
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if (handle_help_options(mpctx))
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return -2;
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if (opts->dump_stats && opts->dump_stats[0]) {
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if (mp_msg_open_stats_file(mpctx->global, opts->dump_stats) < 0)
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MP_ERR(mpctx, "Failed to open stats file '%s'\n", opts->dump_stats);
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}
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MP_STATS(mpctx, "start init");
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if (opts->slave_mode) {
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MP_WARN(mpctx, "--slave-broken is deprecated (see manpage).\n");
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opts->consolecontrols = 0;
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m_config_set_option0(mpctx->mconfig, "input-file", "/dev/stdin");
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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_input_load(mpctx->input);
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mp_input_set_cancel(mpctx->input, mpctx->playback_abort);
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mp_dispatch_set_wakeup_fn(mpctx->dispatch, wakeup_playloop, mpctx);
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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.");
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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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// never use auto
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if (!opts->audio_output_channels.num) {
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m_config_set_option_ext(mpctx->mconfig, bstr0("audio-channels"),
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bstr0("stereo"), M_SETOPT_PRESERVE_CMDLINE);
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}
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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");
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#endif
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mpctx->osd = osd_create(mpctx->global);
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// From this point on, all mpctx members are initialized.
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mpctx->initialized = true;
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mp_get_resume_defaults(mpctx);
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if (opts->consolecontrols && cas_terminal_owner(mpctx, mpctx))
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terminal_setup_getch(mpctx->input);
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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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if (opts->force_vo) {
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struct vo_extra ex = {
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.input_ctx = mpctx->input,
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.osd = mpctx->osd,
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.encode_lavc_ctx = mpctx->encode_lavc_ctx,
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};
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mpctx->video_out = init_best_video_out(mpctx->global, &ex);
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if (!mpctx->video_out) {
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MP_FATAL(mpctx, "Error opening/initializing "
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"the selected video_out (-vo) device.\n");
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return -1;
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}
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mpctx->mouse_cursor_visible = true;
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}
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// Lua user scripts (etc.) can call arbitrary functions. Load them at a point
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// where this is safe.
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mp_load_scripts(mpctx);
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#if !defined(__MINGW32__)
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mpctx->ipc_ctx = mp_init_ipc(mpctx->clients, mpctx->global);
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#endif
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#ifdef _WIN32
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if (opts->w32_priority > 0)
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SetPriorityClass(GetCurrentProcess(), opts->w32_priority);
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#endif
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prepare_playlist(mpctx, mpctx->playlist);
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MP_STATS(mpctx, "end init");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mpv_main(int argc, char *argv[])
|
|
{
|
|
char *enable_talloc = getenv("MPV_LEAK_REPORT");
|
|
if (enable_talloc && strcmp(enable_talloc, "1") == 0)
|
|
talloc_enable_leak_report();
|
|
|
|
struct MPContext *mpctx = mp_create();
|
|
struct MPOpts *opts = mpctx->opts;
|
|
|
|
char *verbose_env = getenv("MPV_VERBOSE");
|
|
if (verbose_env)
|
|
opts->verbose = atoi(verbose_env);
|
|
|
|
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);
|
|
}
|