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🎥 Command line media player
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C
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* This file is part of mpv. * * mpv is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * mpv 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with mpv. If not, see <http://www.gnu.org/licenses/>. */
#include "config.h"
#include <stdlib.h>#include <string.h>#include <stdio.h>#include <stdbool.h>#include <unistd.h>#include <math.h>#include <errno.h>#include <sys/types.h>#include <sys/stat.h>#include <sys/time.h>#include <fcntl.h>#include <pthread.h>#include <assert.h>
#include <libavutil/avstring.h>#include <libavutil/common.h>
#include "osdep/io.h"#include "misc/rendezvous.h"
#include "input.h"#include "keycodes.h"#include "osdep/threads.h"#include "osdep/timer.h"#include "common/msg.h"#include "common/global.h"#include "options/m_config.h"#include "options/m_option.h"#include "options/path.h"#include "mpv_talloc.h"#include "options/options.h"#include "misc/bstr.h"#include "stream/stream.h"#include "common/common.h"
#if HAVE_COCOA#include "osdep/macosx_events.h"#endif
#define input_lock(ictx) pthread_mutex_lock(&ictx->mutex)#define input_unlock(ictx) pthread_mutex_unlock(&ictx->mutex)
#define MP_MAX_KEY_DOWN 4
struct cmd_bind { int keys[MP_MAX_KEY_DOWN]; int num_keys; char *cmd; char *location; // filename/line number of definition bool is_builtin; struct cmd_bind_section *owner;};
struct cmd_bind_section { char *owner; struct cmd_bind *binds; int num_binds; char *section; struct mp_rect mouse_area; // set at runtime, if at all bool mouse_area_set; // mouse_area is valid and should be tested struct cmd_bind_section *next;};
#define MP_MAX_SOURCES 10
#define MAX_ACTIVE_SECTIONS 50
struct active_section { char *name; int flags;};
struct cmd_queue { struct mp_cmd *first;};
struct wheel_state { double dead_zone_accum; double unit_accum;};
struct input_ctx { pthread_mutex_t mutex; struct mp_log *log; struct mpv_global *global; struct m_config_cache *opts_cache; struct input_opts *opts;
bool using_ar; bool using_cocoa_media_keys;
// Autorepeat stuff short ar_state; int64_t last_ar;
// history of key downs - the newest is in position 0 int key_history[MP_MAX_KEY_DOWN]; // key code of the last key that triggered MP_KEY_STATE_DOWN int last_key_down; int64_t last_key_down_time; struct mp_cmd *current_down_cmd;
int last_doubleclick_key_down; double last_doubleclick_time;
// Mouse position on the consumer side (as command.c sees it) int mouse_x, mouse_y; char *mouse_section; // last section to receive mouse event
// Mouse position on the producer side (as the VO sees it) // Unlike mouse_x/y, this can be used to resolve mouse click bindings. int mouse_vo_x, mouse_vo_y;
bool mouse_mangle, mouse_src_mangle; struct mp_rect mouse_src, mouse_dst;
// Wheel state (MP_WHEEL_*) struct wheel_state wheel_state_y; // MP_WHEEL_UP/MP_WHEEL_DOWN struct wheel_state wheel_state_x; // MP_WHEEL_LEFT/MP_WHEEL_RIGHT struct wheel_state *wheel_current; // The direction currently being scrolled double last_wheel_time; // mp_time_sec() of the last wheel event
// List of command binding sections struct cmd_bind_section *cmd_bind_sections;
// List currently active command sections struct active_section active_sections[MAX_ACTIVE_SECTIONS]; int num_active_sections;
unsigned int mouse_event_counter;
struct mp_input_src *sources[MP_MAX_SOURCES]; int num_sources;
struct cmd_queue cmd_queue;
void (*wakeup_cb)(void *ctx); void *wakeup_ctx;};
static int parse_config(struct input_ctx *ictx, bool builtin, bstr data, const char *location, const char *restrict_section);static void close_input_sources(struct input_ctx *ictx);
#define OPT_BASE_STRUCT struct input_optsstruct input_opts { char *config_file; int doubleclick_time; // Maximum number of queued commands from keypresses (limit to avoid // repeated slow commands piling up) int key_fifo_size; // Autorepeat config (be aware of mp_input_set_repeat_info()) int ar_delay; int ar_rate; int use_alt_gr; int use_appleremote; int use_media_keys; int default_bindings; int enable_mouse_movements; int vo_key_input; int test; int allow_win_drag;};
const struct m_sub_options input_config = { .opts = (const m_option_t[]) { OPT_STRING("input-conf", config_file, M_OPT_FIXED | M_OPT_FILE), OPT_INT("input-ar-delay", ar_delay, 0), OPT_INT("input-ar-rate", ar_rate, 0), OPT_PRINT("input-keylist", mp_print_key_list), OPT_PRINT("input-cmdlist", mp_print_cmd_list), OPT_FLAG("input-default-bindings", default_bindings, 0), OPT_FLAG("input-test", test, 0), OPT_INTRANGE("input-doubleclick-time", doubleclick_time, 0, 0, 1000), OPT_FLAG("input-right-alt-gr", use_alt_gr, 0), OPT_INTRANGE("input-key-fifo-size", key_fifo_size, 0, 2, 65000), OPT_FLAG("input-cursor", enable_mouse_movements, 0), OPT_FLAG("input-vo-keyboard", vo_key_input, 0), OPT_FLAG("input-media-keys", use_media_keys, 0),#if HAVE_COCOA OPT_FLAG("input-appleremote", use_appleremote, 0),#endif OPT_FLAG("window-dragging", allow_win_drag, 0), OPT_REPLACED("input-x11-keyboard", "input-vo-keyboard"), {0} }, .size = sizeof(struct input_opts), .defaults = &(const struct input_opts){ .key_fifo_size = 7, .doubleclick_time = 300, .ar_delay = 200, .ar_rate = 40, .use_alt_gr = 1, .enable_mouse_movements = 1, .use_media_keys = 1,#if HAVE_COCOA .use_appleremote = 1,#endif .default_bindings = 1, .vo_key_input = 1, .allow_win_drag = 1, }, .change_flags = UPDATE_INPUT,};
static const char builtin_input_conf[] =#include "input/input_conf.h";
static bool test_rect(struct mp_rect *rc, int x, int y){ return x >= rc->x0 && y >= rc->y0 && x < rc->x1 && y < rc->y1;}
static int queue_count_cmds(struct cmd_queue *queue){ int res = 0; for (struct mp_cmd *cmd = queue->first; cmd; cmd = cmd->queue_next) res++; return res;}
static void queue_remove(struct cmd_queue *queue, struct mp_cmd *cmd){ struct mp_cmd **p_prev = &queue->first; while (*p_prev != cmd) { p_prev = &(*p_prev)->queue_next; } // if this fails, cmd was not in the queue assert(*p_prev == cmd); *p_prev = cmd->queue_next;}
static struct mp_cmd *queue_remove_head(struct cmd_queue *queue){ struct mp_cmd *ret = queue->first; if (ret) queue_remove(queue, ret); return ret;}
static void queue_add_tail(struct cmd_queue *queue, struct mp_cmd *cmd){ struct mp_cmd **p_prev = &queue->first; while (*p_prev) p_prev = &(*p_prev)->queue_next; *p_prev = cmd; cmd->queue_next = NULL;}
static struct mp_cmd *queue_peek_tail(struct cmd_queue *queue){ struct mp_cmd *cur = queue->first; while (cur && cur->queue_next) cur = cur->queue_next; return cur;}
static void append_bind_info(struct input_ctx *ictx, char **pmsg, struct cmd_bind *bind){ char *msg = *pmsg; struct mp_cmd *cmd = mp_input_parse_cmd(ictx, bstr0(bind->cmd), bind->location); bstr stripped = cmd ? cmd->original : bstr0(bind->cmd); msg = talloc_asprintf_append(msg, " '%.*s'", BSTR_P(stripped)); if (!cmd) msg = talloc_asprintf_append(msg, " (invalid)"); if (strcmp(bind->owner->section, "default") != 0) msg = talloc_asprintf_append(msg, " in section {%s}", bind->owner->section); msg = talloc_asprintf_append(msg, " in %s", bind->location); if (bind->is_builtin) msg = talloc_asprintf_append(msg, " (default)"); talloc_free(cmd); *pmsg = msg;}
static mp_cmd_t *handle_test(struct input_ctx *ictx, int code){ if (code == MP_KEY_CLOSE_WIN) { MP_WARN(ictx, "CLOSE_WIN was received. This pseudo key can be remapped too,\n" "but --input-test will always quit when receiving it.\n"); const char *args[] = {"quit", NULL}; mp_cmd_t *res = mp_input_parse_cmd_strv(ictx->log, args); return res; }
char *key_buf = mp_input_get_key_combo_name(&code, 1); char *msg = talloc_asprintf(NULL, "Key %s is bound to:\n", key_buf); talloc_free(key_buf);
int count = 0; for (struct cmd_bind_section *bs = ictx->cmd_bind_sections; bs; bs = bs->next) { for (int i = 0; i < bs->num_binds; i++) { if (bs->binds[i].num_keys && bs->binds[i].keys[0] == code) { count++; if (count > 1) msg = talloc_asprintf_append(msg, "\n"); msg = talloc_asprintf_append(msg, "%d. ", count); append_bind_info(ictx, &msg, &bs->binds[i]); } } }
if (!count) msg = talloc_asprintf_append(msg, "(nothing)");
MP_INFO(ictx, "%s\n", msg); const char *args[] = {"show-text", msg, NULL}; mp_cmd_t *res = mp_input_parse_cmd_strv(ictx->log, args); talloc_free(msg); return res;}
static struct cmd_bind_section *get_bind_section(struct input_ctx *ictx, bstr section){ struct cmd_bind_section *bind_section = ictx->cmd_bind_sections;
if (section.len == 0) section = bstr0("default"); while (bind_section) { if (bstrcmp0(section, bind_section->section) == 0) return bind_section; if (bind_section->next == NULL) break; bind_section = bind_section->next; } if (bind_section) { bind_section->next = talloc_ptrtype(ictx, bind_section->next); bind_section = bind_section->next; } else { ictx->cmd_bind_sections = talloc_ptrtype(ictx, ictx->cmd_bind_sections); bind_section = ictx->cmd_bind_sections; } *bind_section = (struct cmd_bind_section) { .section = bstrdup0(bind_section, section), .mouse_area = {INT_MIN, INT_MIN, INT_MAX, INT_MAX}, .mouse_area_set = true, }; return bind_section;}
static void key_buf_add(int *buf, int code){ for (int n = MP_MAX_KEY_DOWN - 1; n > 0; n--) buf[n] = buf[n - 1]; buf[0] = code;}
static struct cmd_bind *find_bind_for_key_section(struct input_ctx *ictx, char *section, int code){ struct cmd_bind_section *bs = get_bind_section(ictx, bstr0(section));
if (!bs->num_binds) return NULL;
int keys[MP_MAX_KEY_DOWN]; memcpy(keys, ictx->key_history, sizeof(keys)); key_buf_add(keys, code);
struct cmd_bind *best = NULL;
// Prefer user-defined keys over builtin bindings for (int builtin = 0; builtin < 2; builtin++) { if (builtin && !ictx->opts->default_bindings) break; if (best) break; for (int n = 0; n < bs->num_binds; n++) { if (bs->binds[n].is_builtin == (bool)builtin) { struct cmd_bind *b = &bs->binds[n]; // we have: keys=[key2 key1 keyX ...] // and: b->keys=[key1 key2] (and may be just a prefix) for (int i = 0; i < b->num_keys; i++) { if (b->keys[i] != keys[b->num_keys - 1 - i]) goto skip; } if (!best || b->num_keys >= best->num_keys) best = b; skip: ; } } } return best;}
static struct cmd_bind *find_any_bind_for_key(struct input_ctx *ictx, char *force_section, int code){ if (force_section) return find_bind_for_key_section(ictx, force_section, code);
bool use_mouse = MP_KEY_DEPENDS_ON_MOUSE_POS(code);
// First look whether a mouse section is capturing all mouse input // exclusively (regardless of the active section stack order). if (use_mouse && MP_KEY_IS_MOUSE_BTN_SINGLE(ictx->last_key_down)) { struct cmd_bind *bind = find_bind_for_key_section(ictx, ictx->mouse_section, code); if (bind) return bind; }
struct cmd_bind *best_bind = NULL; for (int i = ictx->num_active_sections - 1; i >= 0; i--) { struct active_section *s = &ictx->active_sections[i]; struct cmd_bind *bind = find_bind_for_key_section(ictx, s->name, code); if (bind) { struct cmd_bind_section *bs = bind->owner; if (!use_mouse || (bs->mouse_area_set && test_rect(&bs->mouse_area, ictx->mouse_vo_x, ictx->mouse_vo_y))) { if (!best_bind || (best_bind->is_builtin && !bind->is_builtin)) best_bind = bind; } } if (s->flags & MP_INPUT_EXCLUSIVE) break; if (best_bind && (s->flags & MP_INPUT_ON_TOP)) break; }
return best_bind;}
static mp_cmd_t *get_cmd_from_keys(struct input_ctx *ictx, char *force_section, int code){ if (ictx->opts->test) return handle_test(ictx, code);
struct cmd_bind *cmd = find_any_bind_for_key(ictx, force_section, code); if (!cmd) cmd = find_any_bind_for_key(ictx, force_section, MP_KEY_UNMAPPED); if (!cmd) { if (code == MP_KEY_CLOSE_WIN) return mp_input_parse_cmd_strv(ictx->log, (const char*[]){"quit", 0}); int msgl = MSGL_WARN; if (MP_KEY_IS_MOUSE_MOVE(code)) msgl = MSGL_TRACE; char *key_buf = mp_input_get_key_combo_name(&code, 1); MP_MSG(ictx, msgl, "No key binding found for key '%s'.\n", key_buf); talloc_free(key_buf); return NULL; } mp_cmd_t *ret = mp_input_parse_cmd(ictx, bstr0(cmd->cmd), cmd->location); if (ret) { ret->input_section = cmd->owner->section; ret->key_name = talloc_steal(ret, mp_input_get_key_combo_name(&code, 1)); MP_TRACE(ictx, "key '%s' -> '%s' in '%s'\n", ret->key_name, cmd->cmd, ret->input_section); ret->is_mouse_button = code & MP_KEY_EMIT_ON_UP; } else { char *key_buf = mp_input_get_key_combo_name(&code, 1); MP_ERR(ictx, "Invalid command for key binding '%s': '%s'\n", key_buf, cmd->cmd); talloc_free(key_buf); } return ret;}
static void update_mouse_section(struct input_ctx *ictx){ struct cmd_bind *bind = find_any_bind_for_key(ictx, NULL, MP_KEY_MOUSE_MOVE);
char *new_section = bind ? bind->owner->section : "default";
char *old = ictx->mouse_section; ictx->mouse_section = new_section;
if (strcmp(old, ictx->mouse_section) != 0) { MP_TRACE(ictx, "input: switch section %s -> %s\n", old, ictx->mouse_section); mp_input_queue_cmd(ictx, get_cmd_from_keys(ictx, old, MP_KEY_MOUSE_LEAVE)); }}
// Called when the currently held-down key is released. This (usually) sends// the a key-up version of the command associated with the keys that were held// down.// If the drop_current parameter is set to true, then don't send the key-up// command. Unless we've already sent a key-down event, in which case the// input receiver (the player) must get a key-up event, or it would get stuck// thinking a key is still held down.static void release_down_cmd(struct input_ctx *ictx, bool drop_current){ if (ictx->current_down_cmd && ictx->current_down_cmd->emit_on_up && (!drop_current || ictx->current_down_cmd->def->on_updown)) { memset(ictx->key_history, 0, sizeof(ictx->key_history)); ictx->current_down_cmd->is_up = true; mp_input_queue_cmd(ictx, ictx->current_down_cmd); } else { talloc_free(ictx->current_down_cmd); } ictx->current_down_cmd = NULL; ictx->last_key_down = 0; ictx->last_key_down_time = 0; ictx->ar_state = -1; update_mouse_section(ictx);}
// We don't want the append to the command queue indefinitely, because that// could lead to situations where recovery would take too long.static bool should_drop_cmd(struct input_ctx *ictx, struct mp_cmd *cmd){ struct cmd_queue *queue = &ictx->cmd_queue; return queue_count_cmds(queue) >= ictx->opts->key_fifo_size;}
static struct mp_cmd *resolve_key(struct input_ctx *ictx, int code){ update_mouse_section(ictx); struct mp_cmd *cmd = get_cmd_from_keys(ictx, NULL, code); key_buf_add(ictx->key_history, code); if (cmd && !cmd->def->is_ignore && !should_drop_cmd(ictx, cmd)) return cmd; talloc_free(cmd); return NULL;}
static void interpret_key(struct input_ctx *ictx, int code, double scale, int scale_units){ int state = code & (MP_KEY_STATE_DOWN | MP_KEY_STATE_UP); code = code & ~(unsigned)state;
if (mp_msg_test(ictx->log, MSGL_DEBUG)) { char *key = mp_input_get_key_name(code); MP_TRACE(ictx, "key code=%#x '%s'%s%s\n", code, key, (state & MP_KEY_STATE_DOWN) ? " down" : "", (state & MP_KEY_STATE_UP) ? " up" : ""); talloc_free(key); }
if (MP_KEY_DEPENDS_ON_MOUSE_POS(code & ~MP_KEY_MODIFIER_MASK)) { ictx->mouse_event_counter++; mp_input_wakeup(ictx); }
struct mp_cmd *cmd = NULL;
if (state == MP_KEY_STATE_DOWN) { // Protect against VOs which send STATE_DOWN with autorepeat if (ictx->last_key_down == code) return; // Cancel current down-event (there can be only one) release_down_cmd(ictx, true); cmd = resolve_key(ictx, code); if (cmd) { cmd->is_up_down = true; cmd->emit_on_up = (code & MP_KEY_EMIT_ON_UP) || cmd->def->on_updown; ictx->current_down_cmd = mp_cmd_clone(cmd); } ictx->last_key_down = code; ictx->last_key_down_time = mp_time_us(); ictx->ar_state = 0; mp_input_wakeup(ictx); // possibly start timer for autorepeat } else if (state == MP_KEY_STATE_UP) { // Most VOs send RELEASE_ALL anyway release_down_cmd(ictx, false); } else { // Press of key with no separate down/up events // Mixing press events and up/down with the same key is not supported, // and input sources shouldn't do this, but can happen anyway if // multiple input sources interfere with each others. if (ictx->last_key_down == code) release_down_cmd(ictx, false); cmd = resolve_key(ictx, code); }
if (!cmd) return;
// Don't emit a command on key-down if the key is designed to emit commands // on key-up (like mouse buttons). Also, if the command specifically should // be sent both on key down and key up, still emit the command. if (cmd->emit_on_up && !cmd->def->on_updown) { talloc_free(cmd); return; }
memset(ictx->key_history, 0, sizeof(ictx->key_history));
if (mp_input_is_scalable_cmd(cmd)) { cmd->scale = scale; cmd->scale_units = scale_units; mp_input_queue_cmd(ictx, cmd); } else { // Non-scalable commands won't understand cmd->scale, so synthesize // multiple commands with cmd->scale = 1 cmd->scale = 1; cmd->scale_units = 1; // Avoid spamming the player with too many commands scale_units = FFMIN(scale_units, 20); for (int i = 0; i < scale_units - 1; i++) mp_input_queue_cmd(ictx, mp_cmd_clone(cmd)); if (scale_units) mp_input_queue_cmd(ictx, cmd); }}
// Pre-processing for MP_WHEEL_* events. If this returns false, the caller// should discard the event.static bool process_wheel(struct input_ctx *ictx, int code, double *scale, int *scale_units){ // Size of the deadzone in scroll units. The user must scroll at least this // much in any direction before their scroll is registered. static const double DEADZONE_DIST = 0.125; // The deadzone accumulator is reset if no scrolls happened in this many // seconds, eg. the user is assumed to have finished scrolling. static const double DEADZONE_SCROLL_TIME = 0.2; // The scale_units accumulator is reset if no scrolls happened in this many // seconds. This value should be fairly large, so commands will still be // sent when the user scrolls slowly. static const double UNIT_SCROLL_TIME = 0.5;
// Determine which direction is being scrolled double dir; struct wheel_state *state; switch (code) { case MP_WHEEL_UP: dir = -1; state = &ictx->wheel_state_y; break; case MP_WHEEL_DOWN: dir = +1; state = &ictx->wheel_state_y; break; case MP_WHEEL_LEFT: dir = -1; state = &ictx->wheel_state_x; break; case MP_WHEEL_RIGHT: dir = +1; state = &ictx->wheel_state_x; break; default: return true; }
// Reset accumulators if it's determined that the user finished scrolling double now = mp_time_sec(); if (now > ictx->last_wheel_time + DEADZONE_SCROLL_TIME) { ictx->wheel_current = NULL; ictx->wheel_state_y.dead_zone_accum = 0; ictx->wheel_state_x.dead_zone_accum = 0; } if (now > ictx->last_wheel_time + UNIT_SCROLL_TIME) { ictx->wheel_state_y.unit_accum = 0; ictx->wheel_state_x.unit_accum = 0; } ictx->last_wheel_time = now;
// Process wheel deadzone. A lot of touchpad drivers don't filter scroll // input, which makes it difficult for the user to send WHEEL_UP/DOWN // without accidentally triggering WHEEL_LEFT/RIGHT. We try to fix this by // implementing a deadzone. When the value of either direction breaks out // of the deadzone, events from the other direction will be ignored until // the user finishes scrolling. if (ictx->wheel_current == NULL) { state->dead_zone_accum += *scale * dir; if (state->dead_zone_accum * dir > DEADZONE_DIST) { ictx->wheel_current = state; *scale = state->dead_zone_accum * dir; } } if (ictx->wheel_current != state) return false;
// Determine scale_units. This is incremented every time the accumulated // scale value crosses 1.0. Non-scalable input commands will be ran that // many times. state->unit_accum += *scale * dir; *scale_units = trunc(state->unit_accum * dir); state->unit_accum -= *scale_units * dir; return true;}
static void mp_input_feed_key(struct input_ctx *ictx, int code, double scale, bool force_mouse){ struct input_opts *opts = ictx->opts;
code = mp_normalize_keycode(code); int unmod = code & ~MP_KEY_MODIFIER_MASK; if (code == MP_INPUT_RELEASE_ALL) { MP_TRACE(ictx, "release all\n"); release_down_cmd(ictx, false); return; } if (!opts->enable_mouse_movements && MP_KEY_IS_MOUSE(unmod) && !force_mouse) return; if (unmod == MP_KEY_MOUSE_LEAVE || unmod == MP_KEY_MOUSE_ENTER) { update_mouse_section(ictx); mp_input_queue_cmd(ictx, get_cmd_from_keys(ictx, NULL, code)); return; } double now = mp_time_sec(); // ignore system-doubleclick if we generate these events ourselves if (!force_mouse && opts->doubleclick_time && MP_KEY_IS_MOUSE_BTN_DBL(unmod)) return; int units = 1; if (MP_KEY_IS_WHEEL(unmod) && !process_wheel(ictx, unmod, &scale, &units)) return; interpret_key(ictx, code, scale, units); if (code & MP_KEY_STATE_DOWN) { code &= ~MP_KEY_STATE_DOWN; if (ictx->last_doubleclick_key_down == code && now - ictx->last_doubleclick_time < opts->doubleclick_time / 1000.0) { if (code >= MP_MBTN_LEFT && code <= MP_MBTN_RIGHT) { interpret_key(ictx, code - MP_MBTN_BASE + MP_MBTN_DBL_BASE, 1, 1); } } ictx->last_doubleclick_key_down = code; ictx->last_doubleclick_time = now; }}
void mp_input_put_key(struct input_ctx *ictx, int code){ input_lock(ictx); mp_input_feed_key(ictx, code, 1, false); input_unlock(ictx);}
void mp_input_put_key_artificial(struct input_ctx *ictx, int code){ input_lock(ictx); mp_input_feed_key(ictx, code, 1, true); input_unlock(ictx);}
void mp_input_put_key_utf8(struct input_ctx *ictx, int mods, struct bstr t){ while (t.len) { int code = bstr_decode_utf8(t, &t); if (code < 0) break; mp_input_put_key(ictx, code | mods); }}
void mp_input_put_wheel(struct input_ctx *ictx, int direction, double value){ if (value == 0.0) return; input_lock(ictx); mp_input_feed_key(ictx, direction, value, false); input_unlock(ictx);}
void mp_input_set_mouse_transform(struct input_ctx *ictx, struct mp_rect *dst, struct mp_rect *src){ input_lock(ictx); ictx->mouse_mangle = dst || src; if (ictx->mouse_mangle) { ictx->mouse_dst = *dst; ictx->mouse_src_mangle = !!src; if (ictx->mouse_src_mangle) ictx->mouse_src = *src; } input_unlock(ictx);}
bool mp_input_mouse_enabled(struct input_ctx *ictx){ input_lock(ictx); bool r = ictx->opts->enable_mouse_movements; input_unlock(ictx); return r;}
bool mp_input_vo_keyboard_enabled(struct input_ctx *ictx){ input_lock(ictx); bool r = ictx->opts->vo_key_input; input_unlock(ictx); return r;}
void mp_input_set_mouse_pos(struct input_ctx *ictx, int x, int y){ input_lock(ictx); if (ictx->opts->enable_mouse_movements) mp_input_set_mouse_pos_artificial(ictx, x, y); input_unlock(ictx);}
void mp_input_set_mouse_pos_artificial(struct input_ctx *ictx, int x, int y){ input_lock(ictx); MP_TRACE(ictx, "mouse move %d/%d\n", x, y);
if (ictx->mouse_vo_x == x && ictx->mouse_vo_y == y) { input_unlock(ictx); return; }
if (ictx->mouse_mangle) { struct mp_rect *src = &ictx->mouse_src; struct mp_rect *dst = &ictx->mouse_dst; x = MPCLAMP(x, dst->x0, dst->x1) - dst->x0; y = MPCLAMP(y, dst->y0, dst->y1) - dst->y0; if (ictx->mouse_src_mangle) { x = x * 1.0 / (dst->x1 - dst->x0) * (src->x1 - src->x0) + src->x0; y = y * 1.0 / (dst->y1 - dst->y0) * (src->y1 - src->y0) + src->y0; } MP_TRACE(ictx, "-> %d/%d\n", x, y); }
ictx->mouse_event_counter++; ictx->mouse_vo_x = x; ictx->mouse_vo_y = y;
update_mouse_section(ictx); struct mp_cmd *cmd = get_cmd_from_keys(ictx, NULL, MP_KEY_MOUSE_MOVE); if (!cmd) cmd = mp_input_parse_cmd(ictx, bstr0("ignore"), "<internal>");
if (cmd) { cmd->mouse_move = true; cmd->mouse_x = x; cmd->mouse_y = y; if (should_drop_cmd(ictx, cmd)) { talloc_free(cmd); } else { // Coalesce with previous mouse move events (i.e. replace it) struct mp_cmd *tail = queue_peek_tail(&ictx->cmd_queue); if (tail && tail->mouse_move) { queue_remove(&ictx->cmd_queue, tail); talloc_free(tail); } mp_input_queue_cmd(ictx, cmd); } } input_unlock(ictx);}
unsigned int mp_input_get_mouse_event_counter(struct input_ctx *ictx){ // Make the frontend always display the mouse cursor (as long as it's not // forced invisible) if mouse input is desired. input_lock(ictx); if (mp_input_test_mouse_active(ictx, ictx->mouse_x, ictx->mouse_y)) ictx->mouse_event_counter++; int ret = ictx->mouse_event_counter; input_unlock(ictx); return ret;}
// adjust min time to wait until next repeat eventstatic void adjust_max_wait_time(struct input_ctx *ictx, double *time){ struct input_opts *opts = ictx->opts; if (ictx->last_key_down && opts->ar_rate > 0 && ictx->ar_state >= 0) { *time = FFMIN(*time, 1.0 / opts->ar_rate); *time = FFMIN(*time, opts->ar_delay / 1000.0); }}
int mp_input_queue_cmd(struct input_ctx *ictx, mp_cmd_t *cmd){ input_lock(ictx); if (cmd) { queue_add_tail(&ictx->cmd_queue, cmd); mp_input_wakeup(ictx); } input_unlock(ictx); return 1;}
static mp_cmd_t *check_autorepeat(struct input_ctx *ictx){ struct input_opts *opts = ictx->opts;
// No input : autorepeat ? if (opts->ar_rate <= 0 || !ictx->current_down_cmd || !ictx->last_key_down || (ictx->last_key_down & MP_NO_REPEAT_KEY) || !mp_input_is_repeatable_cmd(ictx->current_down_cmd)) ictx->ar_state = -1; // disable
if (ictx->ar_state >= 0) { int64_t t = mp_time_us(); if (ictx->last_ar + 2000000 < t) ictx->last_ar = t; // First time : wait delay if (ictx->ar_state == 0 && (t - ictx->last_key_down_time) >= opts->ar_delay * 1000) { ictx->ar_state = 1; ictx->last_ar = ictx->last_key_down_time + opts->ar_delay * 1000; // Then send rate / sec event } else if (ictx->ar_state == 1 && (t - ictx->last_ar) >= 1000000 / opts->ar_rate) { ictx->last_ar += 1000000 / opts->ar_rate; } else { return NULL; } struct mp_cmd *ret = mp_cmd_clone(ictx->current_down_cmd); ret->repeated = true; return ret; } return NULL;}
double mp_input_get_delay(struct input_ctx *ictx){ input_lock(ictx); double seconds = INFINITY; adjust_max_wait_time(ictx, &seconds); input_unlock(ictx); return seconds;}
void mp_input_wakeup(struct input_ctx *ictx){ ictx->wakeup_cb(ictx->wakeup_ctx);}
mp_cmd_t *mp_input_read_cmd(struct input_ctx *ictx){ input_lock(ictx); struct mp_cmd *ret = queue_remove_head(&ictx->cmd_queue); if (!ret) ret = check_autorepeat(ictx); if (ret && ret->mouse_move) { ictx->mouse_x = ret->mouse_x; ictx->mouse_y = ret->mouse_y; } input_unlock(ictx); return ret;}
void mp_input_get_mouse_pos(struct input_ctx *ictx, int *x, int *y){ input_lock(ictx); *x = ictx->mouse_x; *y = ictx->mouse_y; input_unlock(ictx);}
// If name is NULL, return "default".// Return a statically allocated name of the section (i.e. return value never// gets deallocated).static char *normalize_section(struct input_ctx *ictx, char *name){ return get_bind_section(ictx, bstr0(name))->section;}
void mp_input_disable_section(struct input_ctx *ictx, char *name){ input_lock(ictx); name = normalize_section(ictx, name);
// Remove old section, or make sure it's on top if re-enabled for (int i = ictx->num_active_sections - 1; i >= 0; i--) { struct active_section *as = &ictx->active_sections[i]; if (strcmp(as->name, name) == 0) { MP_TARRAY_REMOVE_AT(ictx->active_sections, ictx->num_active_sections, i); } } input_unlock(ictx);}
void mp_input_enable_section(struct input_ctx *ictx, char *name, int flags){ input_lock(ictx); name = normalize_section(ictx, name);
mp_input_disable_section(ictx, name);
MP_TRACE(ictx, "enable section '%s'\n", name);
if (ictx->num_active_sections < MAX_ACTIVE_SECTIONS) { int top = ictx->num_active_sections; if (!(flags & MP_INPUT_ON_TOP)) { // insert before the first top entry for (top = 0; top < ictx->num_active_sections; top++) { if (ictx->active_sections[top].flags & MP_INPUT_ON_TOP) break; } for (int n = ictx->num_active_sections; n > top; n--) ictx->active_sections[n] = ictx->active_sections[n - 1]; } ictx->active_sections[top] = (struct active_section){name, flags}; ictx->num_active_sections++; }
MP_TRACE(ictx, "active section stack:\n"); for (int n = 0; n < ictx->num_active_sections; n++) { MP_TRACE(ictx, " %s %d\n", ictx->active_sections[n].name, ictx->active_sections[n].flags); }
input_unlock(ictx);}
void mp_input_disable_all_sections(struct input_ctx *ictx){ input_lock(ictx); ictx->num_active_sections = 0; input_unlock(ictx);}
void mp_input_set_section_mouse_area(struct input_ctx *ictx, char *name, int x0, int y0, int x1, int y1){ input_lock(ictx); struct cmd_bind_section *s = get_bind_section(ictx, bstr0(name)); s->mouse_area = (struct mp_rect){x0, y0, x1, y1}; s->mouse_area_set = x0 != x1 && y0 != y1; input_unlock(ictx);}
static bool test_mouse(struct input_ctx *ictx, int x, int y, int rej_flags){ input_lock(ictx); bool res = false; for (int i = 0; i < ictx->num_active_sections; i++) { struct active_section *as = &ictx->active_sections[i]; if (as->flags & rej_flags) continue; struct cmd_bind_section *s = get_bind_section(ictx, bstr0(as->name)); if (s->mouse_area_set && test_rect(&s->mouse_area, x, y)) { res = true; break; } } input_unlock(ictx); return res;}
bool mp_input_test_mouse_active(struct input_ctx *ictx, int x, int y){ return test_mouse(ictx, x, y, MP_INPUT_ALLOW_HIDE_CURSOR);}
bool mp_input_test_dragging(struct input_ctx *ictx, int x, int y){ input_lock(ictx); bool r = !ictx->opts->allow_win_drag || test_mouse(ictx, x, y, MP_INPUT_ALLOW_VO_DRAGGING); input_unlock(ictx); return r;}
static void bind_dealloc(struct cmd_bind *bind){ talloc_free(bind->cmd); talloc_free(bind->location);}
// builtin: if true, remove all builtin binds, else remove all user bindsstatic void remove_binds(struct cmd_bind_section *bs, bool builtin){ for (int n = bs->num_binds - 1; n >= 0; n--) { if (bs->binds[n].is_builtin == builtin) { bind_dealloc(&bs->binds[n]); assert(bs->num_binds >= 1); bs->binds[n] = bs->binds[bs->num_binds - 1]; bs->num_binds--; } }}
void mp_input_define_section(struct input_ctx *ictx, char *name, char *location, char *contents, bool builtin, char *owner){ if (!name || !name[0]) return; // parse_config() changes semantics with restrict_section==empty input_lock(ictx); // Delete: struct cmd_bind_section *bs = get_bind_section(ictx, bstr0(name)); if ((!bs->owner || (owner && strcmp(bs->owner, owner) != 0)) && strcmp(bs->section, "default") != 0) { talloc_free(bs->owner); bs->owner = talloc_strdup(bs, owner); } remove_binds(bs, builtin); if (contents && contents[0]) { // Redefine: parse_config(ictx, builtin, bstr0(contents), location, name); } else { // Disable: mp_input_disable_section(ictx, name); } input_unlock(ictx);}
void mp_input_remove_sections_by_owner(struct input_ctx *ictx, char *owner){ input_lock(ictx); struct cmd_bind_section *bs = ictx->cmd_bind_sections; while (bs) { if (bs->owner && owner && strcmp(bs->owner, owner) == 0) { mp_input_disable_section(ictx, bs->section); remove_binds(bs, false); remove_binds(bs, true); } bs = bs->next; } input_unlock(ictx);}
static bool bind_matches_key(struct cmd_bind *bind, int num_keys, const int *keys){ if (bind->num_keys != num_keys) return false; for (int i = 0; i < num_keys; i++) { if (bind->keys[i] != keys[i]) return false; } return true;}
static void bind_keys(struct input_ctx *ictx, bool builtin, bstr section, const int *keys, int num_keys, bstr command, const char *loc){ struct cmd_bind_section *bs = get_bind_section(ictx, section); struct cmd_bind *bind = NULL;
assert(num_keys <= MP_MAX_KEY_DOWN);
for (int n = 0; n < bs->num_binds; n++) { struct cmd_bind *b = &bs->binds[n]; if (bind_matches_key(b, num_keys, keys) && b->is_builtin == builtin) { bind = b; break; } }
if (!bind) { struct cmd_bind empty = {{0}}; MP_TARRAY_APPEND(bs, bs->binds, bs->num_binds, empty); bind = &bs->binds[bs->num_binds - 1]; }
bind_dealloc(bind);
*bind = (struct cmd_bind) { .cmd = bstrdup0(bs->binds, command), .location = talloc_strdup(bs->binds, loc), .owner = bs, .is_builtin = builtin, .num_keys = num_keys, }; memcpy(bind->keys, keys, num_keys * sizeof(bind->keys[0])); if (mp_msg_test(ictx->log, MSGL_DEBUG)) { char *s = mp_input_get_key_combo_name(keys, num_keys); MP_TRACE(ictx, "add: section='%s' key='%s'%s cmd='%s' location='%s'\n", bind->owner->section, s, bind->is_builtin ? " builtin" : "", bind->cmd, bind->location); talloc_free(s); }}
// restrict_section: every entry is forced to this section name// if NULL, load normally and allow any sectionsstatic int parse_config(struct input_ctx *ictx, bool builtin, bstr data, const char *location, const char *restrict_section){ int n_binds = 0; int line_no = 0; char *cur_loc = NULL;
while (data.len) { line_no++; if (cur_loc) talloc_free(cur_loc); cur_loc = talloc_asprintf(NULL, "%s:%d", location, line_no);
bstr line = bstr_strip_linebreaks(bstr_getline(data, &data)); line = bstr_lstrip(line); if (line.len == 0 || bstr_startswith0(line, "#")) continue; if (bstr_eatstart0(&line, "default-bindings ")) { bstr orig = line; bstr_split_tok(line, "#", &line, &(bstr){0}); line = bstr_strip(line); if (bstr_equals0(line, "start")) { builtin = true; } else { MP_ERR(ictx, "Broken line: %.*s at %s\n", BSTR_P(orig), cur_loc); } continue; } struct bstr command; // Find the key name starting a line struct bstr keyname = bstr_split(line, WHITESPACE, &command); command = bstr_strip(command); if (command.len == 0) { MP_ERR(ictx, "Unfinished key binding: %.*s at %s\n", BSTR_P(line), cur_loc); continue; } char *name = bstrdup0(NULL, keyname); int keys[MP_MAX_KEY_DOWN]; int num_keys = 0; if (!mp_input_get_keys_from_string(name, MP_MAX_KEY_DOWN, &num_keys, keys)) { talloc_free(name); MP_ERR(ictx, "Unknown key '%.*s' at %s\n", BSTR_P(keyname), cur_loc); continue; } talloc_free(name);
bstr section = bstr0(restrict_section); if (!section.len) { if (bstr_startswith0(command, "{")) { int p = bstrchr(command, '}'); if (p != -1) { section = bstr_strip(bstr_splice(command, 1, p)); command = bstr_lstrip(bstr_cut(command, p + 1)); } } }
bind_keys(ictx, builtin, section, keys, num_keys, command, cur_loc); n_binds++;
// Print warnings if invalid commands are encountered. talloc_free(mp_input_parse_cmd(ictx, command, cur_loc)); }
talloc_free(cur_loc);
return n_binds;}
static int parse_config_file(struct input_ctx *ictx, char *file, bool warn){ int r = 0; void *tmp = talloc_new(NULL); stream_t *s = NULL;
file = mp_get_user_path(tmp, ictx->global, file);
s = stream_open(file, ictx->global); if (!s) { MP_ERR(ictx, "Can't open input config file %s.\n", file); goto done; } stream_skip_bom(s); bstr data = stream_read_complete(s, tmp, 1000000); if (data.start) { MP_VERBOSE(ictx, "Parsing input config file %s\n", file); int num = parse_config(ictx, false, data, file, NULL); MP_VERBOSE(ictx, "Input config file %s parsed: %d binds\n", file, num); r = 1; } else { MP_ERR(ictx, "Error reading input config file %s\n", file); }
done: free_stream(s); talloc_free(tmp); return r;}
struct input_ctx *mp_input_init(struct mpv_global *global, void (*wakeup_cb)(void *ctx), void *wakeup_ctx){
struct input_ctx *ictx = talloc_ptrtype(NULL, ictx); *ictx = (struct input_ctx){ .global = global, .ar_state = -1, .log = mp_log_new(ictx, global->log, "input"), .mouse_section = "default", .opts_cache = m_config_cache_alloc(ictx, global, &input_config), .wakeup_cb = wakeup_cb, .wakeup_ctx = wakeup_ctx, };
ictx->opts = ictx->opts_cache->opts;
mpthread_mutex_init_recursive(&ictx->mutex);
// Setup default section, so that it does nothing. mp_input_enable_section(ictx, NULL, MP_INPUT_ALLOW_VO_DRAGGING | MP_INPUT_ALLOW_HIDE_CURSOR);
return ictx;}
static void reload_opts(struct input_ctx *ictx, bool shutdown){ m_config_cache_update(ictx->opts_cache);
#if HAVE_COCOA struct input_opts *opts = ictx->opts;
if (ictx->using_ar != (opts->use_appleremote && !shutdown)) { ictx->using_ar = !ictx->using_ar; if (ictx->using_ar) { cocoa_init_apple_remote(); } else { cocoa_uninit_apple_remote(); } }
if (ictx->using_cocoa_media_keys != (opts->use_media_keys && !shutdown)) { ictx->using_cocoa_media_keys = !ictx->using_cocoa_media_keys; if (ictx->using_cocoa_media_keys) { cocoa_init_media_keys(); } else { cocoa_uninit_media_keys(); } }#endif}
void mp_input_update_opts(struct input_ctx *ictx){ input_lock(ictx); reload_opts(ictx, false); input_unlock(ictx);}
void mp_input_load_config(struct input_ctx *ictx){ input_lock(ictx);
reload_opts(ictx, false);
// "Uncomment" the default key bindings in etc/input.conf and add them. // All lines that do not start with '# ' are parsed. bstr builtin = bstr0(builtin_input_conf); while (builtin.len) { bstr line = bstr_getline(builtin, &builtin); bstr_eatstart0(&line, "#"); if (!bstr_startswith0(line, " ")) parse_config(ictx, true, line, "<builtin>", NULL); }
bool config_ok = false; if (ictx->opts->config_file && ictx->opts->config_file[0]) config_ok = parse_config_file(ictx, ictx->opts->config_file, true); if (!config_ok) { // Try global conf dir void *tmp = talloc_new(NULL); char **files = mp_find_all_config_files(tmp, ictx->global, "input.conf"); for (int n = 0; files && files[n]; n++) parse_config_file(ictx, files[n], false); talloc_free(tmp); }
#if HAVE_WIN32_PIPES char *ifile; mp_read_option_raw(ictx->global, "input-file", &m_option_type_string, &ifile); if (ifile && ifile[0]) mp_input_pipe_add(ictx, ifile); talloc_free(ifile);#endif
input_unlock(ictx);}
static void clear_queue(struct cmd_queue *queue){ while (queue->first) { struct mp_cmd *item = queue->first; queue_remove(queue, item); talloc_free(item); }}
void mp_input_uninit(struct input_ctx *ictx){ if (!ictx) return;
input_lock(ictx); reload_opts(ictx, true); input_unlock(ictx);
close_input_sources(ictx); clear_queue(&ictx->cmd_queue); talloc_free(ictx->current_down_cmd); pthread_mutex_destroy(&ictx->mutex); talloc_free(ictx);}
bool mp_input_use_alt_gr(struct input_ctx *ictx){ input_lock(ictx); bool r = ictx->opts->use_alt_gr; input_unlock(ictx); return r;}
bool mp_input_use_media_keys(struct input_ctx *ictx){ input_lock(ictx); bool r = ictx->opts->use_media_keys; input_unlock(ictx); return r;}
struct mp_cmd *mp_input_parse_cmd(struct input_ctx *ictx, bstr str, const char *location){ return mp_input_parse_cmd_str(ictx->log, str, location);}
void mp_input_run_cmd(struct input_ctx *ictx, const char **cmd){ mp_input_queue_cmd(ictx, mp_input_parse_cmd_strv(ictx->log, cmd));}
struct mp_input_src_internal { pthread_t thread; bool thread_running; bool init_done;
char *cmd_buffer; size_t cmd_buffer_size; bool drop;};
static struct mp_input_src *mp_input_add_src(struct input_ctx *ictx){ input_lock(ictx); if (ictx->num_sources == MP_MAX_SOURCES) { input_unlock(ictx); return NULL; }
char name[80]; snprintf(name, sizeof(name), "#%d", ictx->num_sources + 1); struct mp_input_src *src = talloc_ptrtype(NULL, src); *src = (struct mp_input_src){ .global = ictx->global, .log = mp_log_new(src, ictx->log, name), .input_ctx = ictx, .in = talloc_zero(src, struct mp_input_src_internal), };
ictx->sources[ictx->num_sources++] = src;
input_unlock(ictx); return src;}
static void mp_input_src_kill(struct mp_input_src *src);
static void close_input_sources(struct input_ctx *ictx){ // To avoid lock-order issues, we first remove each source from the context, // and then destroy it. while (1) { input_lock(ictx); struct mp_input_src *src = ictx->num_sources ? ictx->sources[0] : NULL; input_unlock(ictx); if (!src) break; mp_input_src_kill(src); }}
static void mp_input_src_kill(struct mp_input_src *src){ if (!src) return; struct input_ctx *ictx = src->input_ctx; input_lock(ictx); for (int n = 0; n < ictx->num_sources; n++) { if (ictx->sources[n] == src) { MP_TARRAY_REMOVE_AT(ictx->sources, ictx->num_sources, n); input_unlock(ictx); if (src->cancel) src->cancel(src); if (src->in->thread_running) pthread_join(src->in->thread, NULL); if (src->uninit) src->uninit(src); talloc_free(src); return; } } abort();}
void mp_input_src_init_done(struct mp_input_src *src){ assert(!src->in->init_done); assert(src->in->thread_running); assert(pthread_equal(src->in->thread, pthread_self())); src->in->init_done = true; mp_rendezvous(&src->in->init_done, 0);}
static void *input_src_thread(void *ptr){ void **args = ptr; struct mp_input_src *src = args[0]; void (*loop_fn)(struct mp_input_src *src, void *ctx) = args[1]; void *ctx = args[2];
mpthread_set_name("input source");
src->in->thread_running = true;
loop_fn(src, ctx);
if (!src->in->init_done) mp_rendezvous(&src->in->init_done, -1);
return NULL;}
int mp_input_add_thread_src(struct input_ctx *ictx, void *ctx, void (*loop_fn)(struct mp_input_src *src, void *ctx)){ struct mp_input_src *src = mp_input_add_src(ictx); if (!src) return -1;
void *args[] = {src, loop_fn, ctx}; if (pthread_create(&src->in->thread, NULL, input_src_thread, args)) { mp_input_src_kill(src); return -1; } if (mp_rendezvous(&src->in->init_done, 0) < 0) { mp_input_src_kill(src); return -1; } return 0;}
#define CMD_BUFFER (4 * 4096)
void mp_input_src_feed_cmd_text(struct mp_input_src *src, char *buf, size_t len){ struct mp_input_src_internal *in = src->in; if (!in->cmd_buffer) in->cmd_buffer = talloc_size(in, CMD_BUFFER); while (len) { char *next = memchr(buf, '\n', len); bool term = !!next; next = next ? next + 1 : buf + len; size_t copy = next - buf; bool overflow = copy > CMD_BUFFER - in->cmd_buffer_size; if (overflow || in->drop) { in->cmd_buffer_size = 0; in->drop = overflow || !term; MP_WARN(src, "Dropping overlong line.\n"); } else { memcpy(in->cmd_buffer + in->cmd_buffer_size, buf, copy); in->cmd_buffer_size += copy; buf += copy; len -= copy; if (term) { bstr s = {in->cmd_buffer, in->cmd_buffer_size}; s = bstr_strip(s); struct mp_cmd *cmd = mp_input_parse_cmd_str(src->log, s, "<>"); if (cmd) mp_input_queue_cmd(src->input_ctx, cmd); in->cmd_buffer_size = 0; } } }}
void mp_input_set_repeat_info(struct input_ctx *ictx, int rate, int delay){ input_lock(ictx); ictx->opts->ar_rate = rate; ictx->opts->ar_delay = delay; input_unlock(ictx);}