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mpv/input/cmd_list.c
wm4 e033f3c8bc command: redo ancient TV/DVB/PVR commands 
Convert all these commands to properties. (Except tv_last_channel, not
sure what to do with this.) Also, internally, don't access stream
details directly, but dispatch commands with stream ctrls.

Many of the new properties are a bit strange, because they're write-
only. Also remove some OSD output these commands produced, because I
couldn't be bothered to port these.

In general, this makes everything much cleaner, and will also make it
easier to e.g. move the demuxer to its own thread.

Don't bother updating input.conf, but changes.rst documents how old
commands map to the new ones.

Mostly untested, due to lack of hardware.
2014-06-11 00:34:41 +02:00

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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <limits.h>
#include "common/common.h"
#include "common/msg.h"
#include "options/m_option.h"
#include "input.h"
#include "cmd_list.h"
#include "cmd_parse.h"
// This does not specify the real destination of the command parameter values,
// it just provides a dummy for the OPT_ macros.
#define OPT_BASE_STRUCT struct mp_cmd_arg
#define ARG(t) "", v. t
/* This array defines all known commands.
* The first field is an id used to recognize the command.
* The second is the command name used in slave mode and input.conf.
* Then comes the definition of each argument, first mandatory arguments
* (ARG_INT, ARG_FLOAT, ARG_STRING) if any, then optional arguments
* (OARG_INT(default), etc) if any. The command will be given the default
* argument value if the user didn't give enough arguments to specify it.
* A command can take a maximum of MP_CMD_MAX_ARGS arguments.
*/
#define ARG_INT OPT_INT(ARG(i), 0)
#define ARG_FLOAT OPT_FLOAT(ARG(f), 0)
#define ARG_DOUBLE OPT_DOUBLE(ARG(d), 0)
#define ARG_STRING OPT_STRING(ARG(s), 0)
#define ARG_CHOICE(c) OPT_CHOICE(ARG(i), 0, c)
#define ARG_CHOICE_OR_INT(...) OPT_CHOICE_OR_INT(ARG(i), 0, __VA_ARGS__)
#define ARG_TIME OPT_TIME(ARG(d), 0)
#define OARG_DOUBLE(def) OPT_DOUBLE(ARG(d), 0, OPTDEF_DOUBLE(def))
#define OARG_INT(def) OPT_INT(ARG(i), 0, OPTDEF_INT(def))
#define OARG_CHOICE(def, c) OPT_CHOICE(ARG(i), 0, c, OPTDEF_INT(def))
#define OARG_CYCLEDIR(def) OPT_CYCLEDIR(ARG(d), 0, OPTDEF_DOUBLE(def))
const struct mp_cmd_def mp_cmds[] = {
{ MP_CMD_IGNORE, "ignore", },
{ MP_CMD_SEEK, "seek", {
ARG_TIME,
OARG_CHOICE(0, ({"relative", 0}, {"0", 0}, {"-", 0},
{"absolute-percent", 1}, {"1", 1},
{"absolute", 2}, {"2", 2})),
OARG_CHOICE(0, ({"default-precise", 0}, {"0", 0},
{"exact", 1}, {"1", 1},
{"keyframes", -1}, {"-1", -1})),
},
.allow_auto_repeat = true,
},
{ MP_CMD_REVERT_SEEK, "revert_seek", },
{ MP_CMD_QUIT, "quit", { OARG_INT(0) } },
{ MP_CMD_QUIT_WATCH_LATER, "quit_watch_later", { OARG_INT(0) } },
{ MP_CMD_STOP, "stop", },
{ MP_CMD_FRAME_STEP, "frame_step", .allow_auto_repeat = true },
{ MP_CMD_FRAME_BACK_STEP, "frame_back_step", .allow_auto_repeat = true },
{ MP_CMD_PLAYLIST_NEXT, "playlist_next", {
OARG_CHOICE(0, ({"weak", 0}, {"0", 0},
{"force", 1}, {"1", 1})),
}},
{ MP_CMD_PLAYLIST_PREV, "playlist_prev", {
OARG_CHOICE(0, ({"weak", 0}, {"0", 0},
{"force", 1}, {"1", 1})),
}},
{ MP_CMD_SUB_STEP, "sub_step", { ARG_INT }, .allow_auto_repeat = true },
{ MP_CMD_SUB_SEEK, "sub_seek", { ARG_INT }, .allow_auto_repeat = true },
{ MP_CMD_OSD, "osd", { OARG_INT(-1) } },
{ MP_CMD_PRINT_TEXT, "print_text", { ARG_STRING }, .allow_auto_repeat = true },
{ MP_CMD_SHOW_TEXT, "show_text", { ARG_STRING, OARG_INT(-1), OARG_INT(0) },
.allow_auto_repeat = true},
{ MP_CMD_SHOW_PROGRESS, "show_progress", .allow_auto_repeat = true},
{ MP_CMD_SUB_ADD, "sub_add", { ARG_STRING } },
{ MP_CMD_SUB_REMOVE, "sub_remove", { OARG_INT(-1) } },
{ MP_CMD_SUB_RELOAD, "sub_reload", { OARG_INT(-1) } },
{ MP_CMD_TV_LAST_CHANNEL, "tv_last_channel", },
{ MP_CMD_SCREENSHOT, "screenshot", {
OARG_CHOICE(2, ({"video", 0},
{"window", 1},
{"subtitles", 2}, {"-", 2})),
OARG_CHOICE(0, ({"single", 0},
{"each-frame", 1})),
}},
{ MP_CMD_SCREENSHOT_TO_FILE, "screenshot_to_file", {
ARG_STRING,
OARG_CHOICE(2, ({"video", 0},
{"window", 1},
{"subtitles", 2})),
}},
{ MP_CMD_LOADFILE, "loadfile", {
ARG_STRING,
OARG_CHOICE(0, ({"replace", 0}, {"0", 0},
{"append", 1}, {"1", 1})),
OPT_KEYVALUELIST(ARG(str_list), MP_CMD_OPT_ARG),
}},
{ MP_CMD_LOADLIST, "loadlist", {
ARG_STRING,
OARG_CHOICE(0, ({"replace", 0}, {"0", 0},
{"append", 1}, {"1", 1})),
}},
{ MP_CMD_PLAYLIST_CLEAR, "playlist_clear", },
{ MP_CMD_PLAYLIST_REMOVE, "playlist_remove", {
ARG_CHOICE_OR_INT(0, INT_MAX, ({"current", -1})),
}},
{ MP_CMD_PLAYLIST_MOVE, "playlist_move", { ARG_INT, ARG_INT } },
{ MP_CMD_RUN, "run", { ARG_STRING, ARG_STRING }, .vararg = true },
{ MP_CMD_SET, "set", { ARG_STRING, ARG_STRING } },
{ MP_CMD_GET_PROPERTY, "get_property", { ARG_STRING } },
{ MP_CMD_ADD, "add", { ARG_STRING, OARG_DOUBLE(0) },
.allow_auto_repeat = true},
{ MP_CMD_CYCLE, "cycle", {
ARG_STRING,
OARG_CYCLEDIR(1),
},
.allow_auto_repeat = true
},
{ MP_CMD_MULTIPLY, "multiply", { ARG_STRING, ARG_DOUBLE },
.allow_auto_repeat = true},
{ MP_CMD_CYCLE_VALUES, "cycle_values", { ARG_STRING, ARG_STRING, ARG_STRING },
.vararg = true, .allow_auto_repeat = true},
{ MP_CMD_ENABLE_INPUT_SECTION, "enable_section", {
ARG_STRING,
OARG_CHOICE(0, ({"default", 0},
{"exclusive", 1})),
}},
{ MP_CMD_DISABLE_INPUT_SECTION, "disable_section", { ARG_STRING } },
{ MP_CMD_DISCNAV, "discnav", { ARG_STRING } },
{ MP_CMD_AF, "af", { ARG_STRING, ARG_STRING } },
{ MP_CMD_VF, "vf", { ARG_STRING, ARG_STRING } },
{ MP_CMD_VO_CMDLINE, "vo_cmdline", { ARG_STRING } },
{ MP_CMD_SCRIPT_DISPATCH, "script_dispatch", { ARG_STRING, ARG_INT } },
{ MP_CMD_SCRIPT_MESSAGE, "script_message", { ARG_STRING }, .vararg = true },
{ MP_CMD_SCRIPT_MESSAGE_TO, "script_message_to", { ARG_STRING, ARG_STRING },
.vararg = true },
{ MP_CMD_OVERLAY_ADD, "overlay_add",
{ ARG_INT, ARG_INT, ARG_INT, ARG_STRING, ARG_INT, ARG_STRING, ARG_INT,
ARG_INT, ARG_INT }},
{ MP_CMD_OVERLAY_REMOVE, "overlay_remove", { ARG_INT } },
{ MP_CMD_WRITE_WATCH_LATER_CONFIG, "write_watch_later_config", },
{0}
};
#undef OPT_BASE_STRUCT
#undef ARG
// Map legacy commands to proper commands
struct legacy_cmd {
const char *old, *new;
};
static const struct legacy_cmd legacy_cmds[] = {
{"loop", "cycle loop"},
{"seek_chapter", "add chapter"},
{"switch_angle", "cycle angle"},
{"pause", "cycle pause"},
{"volume", "add volume"},
{"mute", "cycle mute"},
{"audio_delay", "add audio-delay"},
{"switch_audio", "cycle audio"},
{"balance", "add balance"},
{"vo_fullscreen", "cycle fullscreen"},
{"panscan", "add panscan"},
{"vo_ontop", "cycle ontop"},
{"vo_border", "cycle border"},
{"frame_drop", "cycle framedrop"},
{"gamma", "add gamma"},
{"brightness", "add brightness"},
{"contrast", "add contrast"},
{"saturation", "add saturation"},
{"hue", "add hue"},
{"switch_vsync", "cycle vsync"},
{"sub_load", "sub_add"},
{"sub_select", "cycle sub"},
{"sub_pos", "add sub-pos"},
{"sub_delay", "add sub-delay"},
{"sub_visibility", "cycle sub-visibility"},
{"forced_subs_only", "cycle sub-forced-only"},
{"sub_scale", "add sub-scale"},
{"ass_use_margins", "cycle ass-use-margins"},
{"tv_set_brightness", "add tv-brightness"},
{"tv_set_hue", "add tv-hue"},
{"tv_set_saturation", "add tv-saturation"},
{"tv_set_contrast", "add tv-contrast"},
{"step_property_osd", "cycle"},
{"step_property", "no-osd cycle"},
{"set_property", "no-osd set"},
{"set_property_osd", "set"},
{"speed_set", "set speed"},
{"osd_show_text", "show_text"},
{"osd_show_property_text", "show_text"},
{"osd_show_progression", "show_progress"},
{"show_chapters_osd", "show_text ${chapter-list}"},
{"show_chapters", "show_text ${chapter-list}"},
{"show_tracks_osd", "show_text ${track-list}"},
{"show_tracks", "show_text ${track-list}"},
{"show_playlist", "show_text ${playlist}"},
{"speed_mult", "multiply speed"},
{"dvdnav", "discnav"},
// Approximate (can fail if user added additional whitespace)
{"pt_step 1", "playlist_next"},
{"pt_step -1", "playlist_prev"},
// Switch_ratio without argument resets aspect ratio
{"switch_ratio ", "set aspect "},
{"switch_ratio", "set aspect 0"},
{0}
};
bool mp_replace_legacy_cmd(void *t, bstr *s)
{
for (const struct legacy_cmd *entry = legacy_cmds; entry->old; entry++) {
bstr old = bstr0(entry->old);
if (bstrcasecmp(bstr_splice(*s, 0, old.len), old) == 0) {
bstr rest = bstr_cut(*s, old.len);
*s = bstr0(talloc_asprintf(t, "%s%.*s", entry->new, BSTR_P(rest)));
return true;
}
}
return false;
}
static bool is_abort_cmd(int cmd_id)
{
switch (cmd_id) {
case MP_CMD_QUIT:
case MP_CMD_PLAYLIST_NEXT:
case MP_CMD_PLAYLIST_PREV:
return true;
}
return false;
}
bool mp_input_is_abort_cmd(struct mp_cmd *cmd)
{
if (is_abort_cmd(cmd->id))
return true;
if (cmd->id == MP_CMD_COMMAND_LIST) {
for (struct mp_cmd *sub = cmd->args[0].v.p; sub; sub = sub->queue_next)
{
if (mp_input_is_abort_cmd(sub))
return true;
}
}
return false;
}
bool mp_input_is_repeatable_cmd(struct mp_cmd *cmd)
{
return (cmd->def && cmd->def->allow_auto_repeat) ||
cmd->id == MP_CMD_COMMAND_LIST;
}
void mp_print_cmd_list(struct mp_log *out)
{
for (int i = 0; mp_cmds[i].name; i++) {
const struct mp_cmd_def *def = &mp_cmds[i];
mp_info(out, "%-20.20s", def->name);
for (int j = 0; j < MP_CMD_MAX_ARGS && def->args[j].type; j++) {
const char *type = def->args[j].type->name;
if (def->args[j].defval)
mp_info(out, " [%s]", type);
else
mp_info(out, " %s", type);
}
mp_info(out, "\n");
}
}
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