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https://github.com/mpv-player/mpv
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options: allow changing options at runtime
Allow changing all options at runtime, except some cherry-picked options, which are disabled with M_OPT_FIXED.
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wm4
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279bd8db1f
commit
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@ -1009,8 +1009,10 @@ an option at runtime.
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See ``--vf`` and the ``vf`` command.
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``options/<name>`` (RW)
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Read-only access to value of option ``--<name>``. If the player is in idle
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mode, the option can be changed by writing to this property.
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Read-only access to value of option ``--<name>``. Most options can be
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changed at runtime by writing to this property. Note that many options
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require reloading the file for changes to take effect. If there is an
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equivalent property, prefer setting the property instead.
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Property Expansion
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------------------
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@ -561,11 +561,14 @@ void mpv_free_node_contents(mpv_node *node);
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/**
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* Set an option. Note that you can't normally set options during runtime. It
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* works in uninitialized state (see mpv_create()), and in some cases in idle
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* mode.
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* works in uninitialized state (see mpv_create()), and in some cases in at
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* runtime.
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*
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* You can use mpv_set_property() to change options during playback, but this
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* does not work with all options.
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* Changing options at runtime does not always work. For some options, attempts
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* to change them simply fails. Many other options may require reloading the
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* file for changes to take effect. In general, you should prefer calling
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* mpv_set_property() to change settings during playback, because the property
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* mechanism guarantees that changes take effect immediately.
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*
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* @param name Option name. This is the same as on the mpv command line, but
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* without the leading "--".
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@ -350,6 +350,12 @@ struct m_option {
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// This option can't be set per-file when used with struct m_config.
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#define M_OPT_GLOBAL (1 << 4)
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// Can not be freely changed at runtime (normally, all options can be changed,
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// even if the settings don't get effective immediately). Note that an option
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// might still change even if this is set, e.g. via properties or per-file
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// options.
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#define M_OPT_FIXED (1 << 5)
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// The option should be set during command line pre-parsing
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#define M_OPT_PRE_PARSE (1 << 6)
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@ -361,7 +367,7 @@ struct m_option {
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#define CONF_MAX M_OPT_MAX
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#define CONF_RANGE M_OPT_RANGE
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#define CONF_NOCFG M_OPT_NOCFG
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#define CONF_GLOBAL M_OPT_GLOBAL
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#define CONF_GLOBAL (M_OPT_GLOBAL | M_OPT_FIXED)
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#define CONF_PRE_PARSE M_OPT_PRE_PARSE
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// These flags are used to describe special parser capabilities or behavior.
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@ -661,10 +667,10 @@ extern const char m_option_path_separator;
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#define OPT_STRING_VALIDATE(...) \
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OPT_STRING_VALIDATE_(__VA_ARGS__, .type = &m_option_type_string)
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#define OPT_PRINT(optname, fn) \
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{.name = optname, \
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.flags = M_OPT_GLOBAL | M_OPT_NOCFG | M_OPT_PRE_PARSE, \
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.type = &m_option_type_print_fn, \
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#define OPT_PRINT(optname, fn) \
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{.name = optname, \
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.flags = M_OPT_FIXED | M_OPT_GLOBAL | M_OPT_NOCFG | M_OPT_PRE_PARSE, \
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.type = &m_option_type_print_fn, \
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.priv = MP_EXPECT_TYPE(m_opt_print_fn, fn) }
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// subconf must have the type struct m_sub_options.
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@ -208,18 +208,19 @@ extern const m_option_t mp_input_opts[];
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const m_option_t mp_opts[] = {
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// handled in command line pre-parser (parse_commandline.c)
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{"v", NULL, CONF_TYPE_STORE, CONF_GLOBAL | CONF_NOCFG, 0, 0, NULL},
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{"playlist", NULL, CONF_TYPE_STRING, CONF_NOCFG | M_OPT_MIN, 1, 0, NULL},
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{"{", NULL, CONF_TYPE_STORE, CONF_NOCFG, 0, 0, NULL},
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{"}", NULL, CONF_TYPE_STORE, CONF_NOCFG, 0, 0, NULL},
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{"playlist", NULL, CONF_TYPE_STRING, CONF_NOCFG | M_OPT_MIN | M_OPT_FIXED,
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1, 0, NULL},
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{"{", NULL, CONF_TYPE_STORE, CONF_NOCFG | M_OPT_FIXED, 0, 0, NULL},
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{"}", NULL, CONF_TYPE_STORE, CONF_NOCFG | M_OPT_FIXED, 0, 0, NULL},
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// handled in m_config.c
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{ "include", NULL, CONF_TYPE_STRING },
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{ "profile", NULL, CONF_TYPE_STRING_LIST },
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{ "show-profile", NULL, CONF_TYPE_STRING, CONF_NOCFG },
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{ "list-options", NULL, CONF_TYPE_STORE, CONF_NOCFG },
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{ "include", NULL, CONF_TYPE_STRING, M_OPT_FIXED },
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{ "profile", NULL, CONF_TYPE_STRING_LIST, M_OPT_FIXED },
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{ "show-profile", NULL, CONF_TYPE_STRING, CONF_NOCFG | M_OPT_FIXED },
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{ "list-options", NULL, CONF_TYPE_STORE, CONF_NOCFG | M_OPT_FIXED },
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// handled in main.c (looks at the raw argv[])
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{"leak-report", NULL, CONF_TYPE_STORE, CONF_GLOBAL | CONF_NOCFG },
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{"leak-report", NULL, CONF_TYPE_STORE, CONF_GLOBAL | CONF_NOCFG | M_OPT_FIXED },
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OPT_FLAG("shuffle", shuffle, CONF_GLOBAL | CONF_NOCFG),
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@ -238,11 +239,11 @@ const m_option_t mp_opts[] = {
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OPT_FLAG("config", load_config, CONF_GLOBAL | CONF_NOCFG | CONF_PRE_PARSE),
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OPT_STRING("config-dir", force_configdir,
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CONF_GLOBAL | CONF_NOCFG | CONF_PRE_PARSE),
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OPT_STRINGLIST("reset-on-next-file", reset_options, CONF_GLOBAL),
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OPT_STRINGLIST("reset-on-next-file", reset_options, M_OPT_GLOBAL),
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#if HAVE_LUA
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OPT_STRINGLIST("lua", lua_files, CONF_GLOBAL),
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OPT_KEYVALUELIST("lua-opts", lua_opts, CONF_GLOBAL),
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OPT_KEYVALUELIST("lua-opts", lua_opts, M_OPT_GLOBAL),
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OPT_FLAG("osc", lua_load_osc, CONF_GLOBAL),
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#endif
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@ -256,7 +257,8 @@ const m_option_t mp_opts[] = {
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({"no", 0}),
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OPTDEF_INT(320)),
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OPT_FLOATRANGE("cache-min", stream_cache_min_percent, 0, 0, 99),
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OPT_FLOATRANGE("cache-seek-min", stream_cache_seek_min_percent, 0, 0, 99),
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OPT_FLOATRANGE("cache-seek-min", stream_cache_seek_min_percent, 0,
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0, 99),
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OPT_CHOICE_OR_INT("cache-pause", stream_cache_pause, 0,
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0, 40, ({"no", -1})),
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@ -289,7 +291,7 @@ const m_option_t mp_opts[] = {
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// ------------------------- demuxer options --------------------
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OPT_CHOICE_OR_INT("frames", play_frames, 0, 0, INT_MAX,
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OPT_CHOICE_OR_INT("frames", play_frames, M_OPT_FIXED, 0, INT_MAX,
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({"all", -1})),
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// seek to byte/seconds position
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@ -298,7 +300,7 @@ const m_option_t mp_opts[] = {
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OPT_REL_TIME("end", play_end, 0),
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OPT_REL_TIME("length", play_length, 0),
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OPT_FLAG("pause", pause, 0),
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OPT_FLAG("pause", pause, M_OPT_FIXED),
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OPT_FLAG("keep-open", keep_open, 0),
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// AVI and Ogg only: (re)build index at startup
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@ -353,11 +355,12 @@ const m_option_t mp_opts[] = {
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OPT_FLOATRANGE("mc", default_max_pts_correction, 0, 0, 100),
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// force video/audio rate:
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OPT_DOUBLE("fps", force_fps, CONF_MIN, 0),
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OPT_DOUBLE("fps", force_fps, CONF_MIN | M_OPT_FIXED),
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OPT_INTRANGE("srate", force_srate, 0, 1000, 8*48000),
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OPT_CHMAP("channels", audio_output_channels, CONF_MIN, .min = 1),
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OPT_AUDIOFORMAT("format", audio_output_format, 0),
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OPT_DOUBLE("speed", playback_speed, M_OPT_RANGE, .min = 0.01, .max = 100.0),
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OPT_DOUBLE("speed", playback_speed, M_OPT_RANGE | M_OPT_FIXED,
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.min = 0.01, .max = 100.0),
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// set a-v distance
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OPT_FLOATRANGE("audio-delay", audio_delay, 0, -100.0, 100.0),
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@ -365,11 +368,11 @@ const m_option_t mp_opts[] = {
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// ------------------------- codec/vfilter options --------------------
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OPT_SETTINGSLIST("af-defaults", af_defs, 0, &af_obj_list),
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OPT_SETTINGSLIST("af*", af_settings, 0, &af_obj_list),
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OPT_SETTINGSLIST("af*", af_settings, M_OPT_FIXED, &af_obj_list),
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OPT_SETTINGSLIST("vf-defaults", vf_defs, 0, &vf_obj_list),
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OPT_SETTINGSLIST("vf*", vf_settings, 0, &vf_obj_list),
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OPT_SETTINGSLIST("vf*", vf_settings, M_OPT_FIXED, &vf_obj_list),
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OPT_CHOICE("deinterlace", deinterlace, M_OPT_OPTIONAL_PARAM,
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OPT_CHOICE("deinterlace", deinterlace, M_OPT_OPTIONAL_PARAM | M_OPT_FIXED,
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({"auto", -1},
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{"no", 0},
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{"yes", 1}, {"", 1})),
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@ -460,8 +463,8 @@ const m_option_t mp_opts[] = {
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OPT_SETTINGSLIST("ao-defaults", ao_defs, 0, &ao_obj_list),
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OPT_FLAG("fixed-vo", fixed_vo, CONF_GLOBAL),
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OPT_FLAG("force-window", force_vo, CONF_GLOBAL),
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OPT_FLAG("ontop", vo.ontop, 0),
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OPT_FLAG("border", vo.border, 0),
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OPT_FLAG("ontop", vo.ontop, M_OPT_FIXED),
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OPT_FLAG("border", vo.border, M_OPT_FIXED),
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OPT_CHOICE("softvol", softvol, 0,
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({"no", SOFTVOL_NO},
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@ -475,7 +478,7 @@ const m_option_t mp_opts[] = {
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{"no", 0},
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{"yes", 1}, {"", 1})),
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OPT_STRING("volume-restore-data", mixer_restore_volume_data, 0),
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OPT_FLAG("gapless-audio", gapless_audio, 0),
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OPT_FLAG("gapless-audio", gapless_audio, M_OPT_FIXED),
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OPT_GEOMETRY("geometry", vo.geometry, 0),
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OPT_SIZE_BOX("autofit", vo.autofit, 0),
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@ -488,11 +491,11 @@ const m_option_t mp_opts[] = {
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OPT_FLOATRANGE("monitoraspect", vo.force_monitor_aspect, 0, 0.0, 9.0),
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OPT_FLOATRANGE("monitorpixelaspect", vo.monitor_pixel_aspect, 0, 0.2, 9.0),
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// start in fullscreen mode:
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OPT_FLAG("fullscreen", vo.fullscreen, 0),
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OPT_FLAG("fs", vo.fullscreen, 0),
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OPT_FLAG("fullscreen", vo.fullscreen, M_OPT_FIXED),
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OPT_FLAG("fs", vo.fullscreen, M_OPT_FIXED),
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// set fullscreen switch method (workaround for buggy WMs)
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OPT_INTRANGE("fsmode-dontuse", vo.fsmode, 0, 31, 4096),
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OPT_FLAG("native-keyrepeat", vo.native_keyrepeat, 0),
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OPT_FLAG("native-keyrepeat", vo.native_keyrepeat, M_OPT_FIXED),
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OPT_FLOATRANGE("panscan", vo.panscan, 0, 0.0, 1.0),
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OPT_FLOATRANGE("video-zoom", vo.zoom, 0, -20.0, 20.0),
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OPT_FLOATRANGE("video-pan-x", vo.pan_x, 0, -3.0, 3.0),
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@ -547,7 +550,7 @@ const m_option_t mp_opts[] = {
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//---------------------- mplayer-only options ------------------------
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OPT_FLAG("use-filedir-conf", use_filedir_conf, CONF_GLOBAL),
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OPT_FLAG("use-filedir-conf", use_filedir_conf, M_OPT_GLOBAL),
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OPT_CHOICE("osd-level", osd_level, 0,
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({"0", 0}, {"1", 1}, {"2", 2}, {"3", 3})),
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OPT_INTRANGE("osd-duration", osd_duration, 0, 0, 3600000),
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@ -562,10 +565,10 @@ const m_option_t mp_opts[] = {
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{"yes", 1},
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{"hard", 2})),
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OPT_FLAG("untimed", untimed, 0),
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OPT_FLAG("untimed", untimed, M_OPT_FIXED),
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OPT_STRING("stream-capture", stream_capture, 0),
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OPT_STRING("stream-dump", stream_dump, 0),
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OPT_STRING("stream-capture", stream_capture, M_OPT_FIXED),
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OPT_STRING("stream-dump", stream_dump, M_OPT_FIXED),
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OPT_CHOICE_OR_INT("loop", loop_times, M_OPT_GLOBAL, 2, 10000,
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({"no", -1}, {"1", -1},
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@ -609,7 +612,7 @@ const m_option_t mp_opts[] = {
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OPT_STRING("osd-status-msg", osd_status_msg, 0),
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OPT_FLAG("slave-broken", slave_mode, CONF_GLOBAL),
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OPT_FLAG("idle", player_idle_mode, CONF_GLOBAL),
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OPT_FLAG("idle", player_idle_mode, M_OPT_GLOBAL),
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OPT_INTRANGE("key-fifo-size", input.key_fifo_size, CONF_GLOBAL, 2, 65000),
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OPT_FLAG("consolecontrols", consolecontrols, CONF_GLOBAL),
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OPT_FLAG("mouse-movements", vo.enable_mouse_movements, CONF_GLOBAL),
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@ -1991,9 +1991,7 @@ static int access_options(struct m_property_action_arg *ka, MPContext *mpctx)
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m_option_copy(opt->opt, ka->arg, opt->data);
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return M_PROPERTY_OK;
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case M_PROPERTY_SET:
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if (!(mpctx->initialized_flags & INITIALIZED_PLAYBACK) &&
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!(opt->opt->flags & (M_OPT_PRE_PARSE | M_OPT_GLOBAL)))
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{
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if (!(opt->opt->flags & (M_OPT_PRE_PARSE | M_OPT_FIXED))) {
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m_option_copy(opt->opt, opt->data, ka->arg);
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return M_PROPERTY_OK;
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}
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