/* * 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 "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include "osdep/io.h" #include "input.h" #include "mp_fifo.h" #include "keycodes.h" #include "osdep/timer.h" #include "libavutil/avstring.h" #include "libavutil/common.h" #include "mp_msg.h" #include "m_config.h" #include "m_option.h" #include "path.h" #include "talloc.h" #include "options.h" #include "bstr.h" #include "stream/stream.h" #include "joystick.h" #ifdef CONFIG_LIRC #include "lirc.h" #endif #ifdef CONFIG_LIRCC #include #endif #include "ar.h" #ifdef CONFIG_COCOA #include "osdep/cocoa_events.h" #endif #define MP_MAX_KEY_DOWN 32 struct cmd_bind { int input[MP_MAX_KEY_DOWN + 1]; char *cmd; char *location; // filename/line number of definition struct cmd_bind_section *owner; }; struct key_name { int key; char *name; }; /* 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 (10). */ #define ARG_INT { .type = {"", NULL, &m_option_type_int} } #define ARG_FLOAT { .type = {"", NULL, &m_option_type_float} } #define ARG_STRING { .type = {"", NULL, &m_option_type_string} } #define ARG_CHOICE(c) { .type = {"", NULL, &m_option_type_choice, \ M_CHOICES(c)} } #define OARG_FLOAT(def) { .type = {"", NULL, &m_option_type_float}, \ .optional = true, .v.f = def } #define OARG_INT(def) { .type = {"", NULL, &m_option_type_int}, \ .optional = true, .v.i = def } #define OARG_CHOICE(def, c) { .type = {"", NULL, &m_option_type_choice, \ M_CHOICES(c)}, \ .optional = true, .v.i = def } static int parse_cycle_dir(const struct m_option *opt, struct bstr name, struct bstr param, void *dst); static const struct m_option_type m_option_type_cycle_dir = { .name = "up|down", .parse = parse_cycle_dir, }; static const mp_cmd_t mp_cmds[] = { { MP_CMD_IGNORE, "ignore", }, { MP_CMD_RADIO_STEP_CHANNEL, "radio_step_channel", { ARG_INT } }, { MP_CMD_RADIO_SET_CHANNEL, "radio_set_channel", { ARG_STRING } }, { MP_CMD_RADIO_SET_FREQ, "radio_set_freq", { ARG_FLOAT } }, { MP_CMD_RADIO_STEP_FREQ, "radio_step_freq", {ARG_FLOAT } }, { MP_CMD_SEEK, "seek", { ARG_FLOAT, OARG_CHOICE(0, ({"relative", 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})), }}, { MP_CMD_EDL_MARK, "edl_mark", }, { MP_CMD_SPEED_MULT, "speed_mult", { ARG_FLOAT } }, { MP_CMD_QUIT, "quit", { OARG_INT(0) } }, { MP_CMD_STOP, "stop", }, { MP_CMD_FRAME_STEP, "frame_step", }, { 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 } }, { MP_CMD_OSD, "osd", { OARG_INT(-1) } }, { MP_CMD_PRINT_TEXT, "print_text", { ARG_STRING } }, { MP_CMD_SHOW_TEXT, "show_text", { ARG_STRING, OARG_INT(-1), OARG_INT(0) } }, { MP_CMD_SHOW_PROGRESS, "show_progress", }, { MP_CMD_SUB_LOAD, "sub_load", { ARG_STRING } }, { MP_CMD_TV_START_SCAN, "tv_start_scan", }, { MP_CMD_TV_STEP_CHANNEL, "tv_step_channel", { ARG_INT } }, { MP_CMD_TV_STEP_NORM, "tv_step_norm", }, { MP_CMD_TV_STEP_CHANNEL_LIST, "tv_step_chanlist", }, { MP_CMD_TV_SET_CHANNEL, "tv_set_channel", { ARG_STRING } }, { MP_CMD_TV_LAST_CHANNEL, "tv_last_channel", }, { MP_CMD_TV_SET_FREQ, "tv_set_freq", { ARG_FLOAT } }, { MP_CMD_TV_STEP_FREQ, "tv_step_freq", { ARG_FLOAT } }, { MP_CMD_TV_SET_NORM, "tv_set_norm", { ARG_STRING } }, { MP_CMD_DVB_SET_CHANNEL, "dvb_set_channel", { ARG_INT, ARG_INT } }, { MP_CMD_SCREENSHOT, "screenshot", { OARG_CHOICE(0, ({"single", 0}, {"0", 0}, {"each-frame", 1}, {"1", 1})), OARG_CHOICE(0, ({"video", 0}, {"0", 0}, {"window", 1}, {"1", 1})), }}, { MP_CMD_LOADFILE, "loadfile", { ARG_STRING, OARG_CHOICE(0, ({"replace", 0}, {"0", 0}, {"append", 1}, {"1", 1})), }}, { 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_RUN, "run", { ARG_STRING } }, { MP_CMD_KEYDOWN_EVENTS, "key_down_event", { ARG_INT } }, { MP_CMD_SET, "set", { ARG_STRING, ARG_STRING } }, { MP_CMD_GET_PROPERTY, "get_property", { ARG_STRING } }, { MP_CMD_ADD, "add", { ARG_STRING, OARG_FLOAT(0) } }, { MP_CMD_CYCLE, "cycle", { ARG_STRING, { .type = {"", NULL, &m_option_type_cycle_dir}, .optional = true, .v.f = 1 }, }}, { MP_CMD_SET_MOUSE_POS, "set_mouse_pos", { ARG_INT, ARG_INT } }, { MP_CMD_AF_SWITCH, "af_switch", { ARG_STRING } }, { MP_CMD_AF_ADD, "af_add", { ARG_STRING } }, { MP_CMD_AF_DEL, "af_del", { ARG_STRING } }, { MP_CMD_AF_CLR, "af_clr", }, { MP_CMD_AF_CMDLINE, "af_cmdline", { ARG_STRING, ARG_STRING } }, { MP_CMD_SHOW_CHAPTERS, "show_chapters", }, { MP_CMD_SHOW_TRACKS, "show_tracks", }, { MP_CMD_VO_CMDLINE, "vo_cmdline", { ARG_STRING } }, {0} }; // 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", "no-osd cycle fullscreen"}, {"panscan", "add panscan"}, {"vo_ontop", "cycle ontop"}, {"vo_rootwin", "cycle rootwin"}, {"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_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_chapters"}, {"show_tracks_osd", "show_tracks"}, // 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} }; /// The names of the keys as used in input.conf /// If you add some new keys, you also need to add them here static const struct key_name key_names[] = { { ' ', "SPACE" }, { '#', "SHARP" }, { KEY_ENTER, "ENTER" }, { KEY_TAB, "TAB" }, { KEY_BACKSPACE, "BS" }, { KEY_DELETE, "DEL" }, { KEY_INSERT, "INS" }, { KEY_HOME, "HOME" }, { KEY_END, "END" }, { KEY_PAGE_UP, "PGUP" }, { KEY_PAGE_DOWN, "PGDWN" }, { KEY_ESC, "ESC" }, { KEY_PRINT, "PRINT" }, { KEY_RIGHT, "RIGHT" }, { KEY_LEFT, "LEFT" }, { KEY_DOWN, "DOWN" }, { KEY_UP, "UP" }, { KEY_F+1, "F1" }, { KEY_F+2, "F2" }, { KEY_F+3, "F3" }, { KEY_F+4, "F4" }, { KEY_F+5, "F5" }, { KEY_F+6, "F6" }, { KEY_F+7, "F7" }, { KEY_F+8, "F8" }, { KEY_F+9, "F9" }, { KEY_F+10, "F10" }, { KEY_F+11, "F11" }, { KEY_F+12, "F12" }, { KEY_KP0, "KP0" }, { KEY_KP1, "KP1" }, { KEY_KP2, "KP2" }, { KEY_KP3, "KP3" }, { KEY_KP4, "KP4" }, { KEY_KP5, "KP5" }, { KEY_KP6, "KP6" }, { KEY_KP7, "KP7" }, { KEY_KP8, "KP8" }, { KEY_KP9, "KP9" }, { KEY_KPDEL, "KP_DEL" }, { KEY_KPDEC, "KP_DEC" }, { KEY_KPINS, "KP_INS" }, { KEY_KPENTER, "KP_ENTER" }, { MOUSE_BTN0, "MOUSE_BTN0" }, { MOUSE_BTN1, "MOUSE_BTN1" }, { MOUSE_BTN2, "MOUSE_BTN2" }, { MOUSE_BTN3, "MOUSE_BTN3" }, { MOUSE_BTN4, "MOUSE_BTN4" }, { MOUSE_BTN5, "MOUSE_BTN5" }, { MOUSE_BTN6, "MOUSE_BTN6" }, { MOUSE_BTN7, "MOUSE_BTN7" }, { MOUSE_BTN8, "MOUSE_BTN8" }, { MOUSE_BTN9, "MOUSE_BTN9" }, { MOUSE_BTN10, "MOUSE_BTN10" }, { MOUSE_BTN11, "MOUSE_BTN11" }, { MOUSE_BTN12, "MOUSE_BTN12" }, { MOUSE_BTN13, "MOUSE_BTN13" }, { MOUSE_BTN14, "MOUSE_BTN14" }, { MOUSE_BTN15, "MOUSE_BTN15" }, { MOUSE_BTN16, "MOUSE_BTN16" }, { MOUSE_BTN17, "MOUSE_BTN17" }, { MOUSE_BTN18, "MOUSE_BTN18" }, { MOUSE_BTN19, "MOUSE_BTN19" }, { MOUSE_BTN0_DBL, "MOUSE_BTN0_DBL" }, { MOUSE_BTN1_DBL, "MOUSE_BTN1_DBL" }, { MOUSE_BTN2_DBL, "MOUSE_BTN2_DBL" }, { MOUSE_BTN3_DBL, "MOUSE_BTN3_DBL" }, { MOUSE_BTN4_DBL, "MOUSE_BTN4_DBL" }, { MOUSE_BTN5_DBL, "MOUSE_BTN5_DBL" }, { MOUSE_BTN6_DBL, "MOUSE_BTN6_DBL" }, { MOUSE_BTN7_DBL, "MOUSE_BTN7_DBL" }, { MOUSE_BTN8_DBL, "MOUSE_BTN8_DBL" }, { MOUSE_BTN9_DBL, "MOUSE_BTN9_DBL" }, { MOUSE_BTN10_DBL, "MOUSE_BTN10_DBL" }, { MOUSE_BTN11_DBL, "MOUSE_BTN11_DBL" }, { MOUSE_BTN12_DBL, "MOUSE_BTN12_DBL" }, { MOUSE_BTN13_DBL, "MOUSE_BTN13_DBL" }, { MOUSE_BTN14_DBL, "MOUSE_BTN14_DBL" }, { MOUSE_BTN15_DBL, "MOUSE_BTN15_DBL" }, { MOUSE_BTN16_DBL, "MOUSE_BTN16_DBL" }, { MOUSE_BTN17_DBL, "MOUSE_BTN17_DBL" }, { MOUSE_BTN18_DBL, "MOUSE_BTN18_DBL" }, { MOUSE_BTN19_DBL, "MOUSE_BTN19_DBL" }, { JOY_AXIS1_MINUS, "JOY_UP" }, { JOY_AXIS1_PLUS, "JOY_DOWN" }, { JOY_AXIS0_MINUS, "JOY_LEFT" }, { JOY_AXIS0_PLUS, "JOY_RIGHT" }, { JOY_AXIS0_PLUS, "JOY_AXIS0_PLUS" }, { JOY_AXIS0_MINUS, "JOY_AXIS0_MINUS" }, { JOY_AXIS1_PLUS, "JOY_AXIS1_PLUS" }, { JOY_AXIS1_MINUS, "JOY_AXIS1_MINUS" }, { JOY_AXIS2_PLUS, "JOY_AXIS2_PLUS" }, { JOY_AXIS2_MINUS, "JOY_AXIS2_MINUS" }, { JOY_AXIS3_PLUS, "JOY_AXIS3_PLUS" }, { JOY_AXIS3_MINUS, "JOY_AXIS3_MINUS" }, { JOY_AXIS4_PLUS, "JOY_AXIS4_PLUS" }, { JOY_AXIS4_MINUS, "JOY_AXIS4_MINUS" }, { JOY_AXIS5_PLUS, "JOY_AXIS5_PLUS" }, { JOY_AXIS5_MINUS, "JOY_AXIS5_MINUS" }, { JOY_AXIS6_PLUS, "JOY_AXIS6_PLUS" }, { JOY_AXIS6_MINUS, "JOY_AXIS6_MINUS" }, { JOY_AXIS7_PLUS, "JOY_AXIS7_PLUS" }, { JOY_AXIS7_MINUS, "JOY_AXIS7_MINUS" }, { JOY_AXIS8_PLUS, "JOY_AXIS8_PLUS" }, { JOY_AXIS8_MINUS, "JOY_AXIS8_MINUS" }, { JOY_AXIS9_PLUS, "JOY_AXIS9_PLUS" }, { JOY_AXIS9_MINUS, "JOY_AXIS9_MINUS" }, { JOY_BTN0, "JOY_BTN0" }, { JOY_BTN1, "JOY_BTN1" }, { JOY_BTN2, "JOY_BTN2" }, { JOY_BTN3, "JOY_BTN3" }, { JOY_BTN4, "JOY_BTN4" }, { JOY_BTN5, "JOY_BTN5" }, { JOY_BTN6, "JOY_BTN6" }, { JOY_BTN7, "JOY_BTN7" }, { JOY_BTN8, "JOY_BTN8" }, { JOY_BTN9, "JOY_BTN9" }, { AR_PLAY, "AR_PLAY" }, { AR_PLAY_HOLD, "AR_PLAY_HOLD" }, { AR_NEXT, "AR_NEXT" }, { AR_NEXT_HOLD, "AR_NEXT_HOLD" }, { AR_PREV, "AR_PREV" }, { AR_PREV_HOLD, "AR_PREV_HOLD" }, { AR_MENU, "AR_MENU" }, { AR_MENU_HOLD, "AR_MENU_HOLD" }, { AR_VUP, "AR_VUP" }, { AR_VDOWN, "AR_VDOWN" }, { KEY_POWER, "POWER" }, { KEY_MENU, "MENU" }, { KEY_PLAY, "PLAY" }, { KEY_PAUSE, "PAUSE" }, { KEY_PLAYPAUSE, "PLAYPAUSE" }, { KEY_STOP, "STOP" }, { KEY_FORWARD, "FORWARD" }, { KEY_REWIND, "REWIND" }, { KEY_NEXT, "NEXT" }, { KEY_PREV, "PREV" }, { KEY_VOLUME_UP, "VOLUME_UP" }, { KEY_VOLUME_DOWN, "VOLUME_DOWN" }, { KEY_MUTE, "MUTE" }, // These are kept for backward compatibility { KEY_PAUSE, "XF86_PAUSE" }, { KEY_STOP, "XF86_STOP" }, { KEY_PREV, "XF86_PREV" }, { KEY_NEXT, "XF86_NEXT" }, { KEY_CLOSE_WIN, "CLOSE_WIN" }, { 0, NULL } }; struct key_name modifier_names[] = { { KEY_MODIFIER_SHIFT, "Shift" }, { KEY_MODIFIER_CTRL, "Ctrl" }, { KEY_MODIFIER_ALT, "Alt" }, { KEY_MODIFIER_META, "Meta" }, { 0 } }; #define KEY_MODIFIER_MASK (KEY_MODIFIER_SHIFT | KEY_MODIFIER_CTRL | KEY_MODIFIER_ALT | KEY_MODIFIER_META) #ifndef MP_MAX_KEY_FD #define MP_MAX_KEY_FD 10 #endif #ifndef MP_MAX_CMD_FD #define MP_MAX_CMD_FD 10 #endif struct input_fd { int fd; union { int (*key)(void *ctx, int fd); int (*cmd)(int fd, char *dest, int size); } read_func; int (*close_func)(int fd); void *ctx; unsigned eof : 1; unsigned drop : 1; unsigned dead : 1; unsigned got_cmd : 1; unsigned no_select : 1; // These fields are for the cmd fds. char *buffer; int pos, size; }; struct cmd_bind_section { struct cmd_bind *cmd_binds; bool is_builtin; char *section; struct cmd_bind_section *next; }; struct cmd_queue { struct mp_cmd *first; }; struct input_ctx { // Autorepeat stuff short ar_state; mp_cmd_t *ar_cmd; unsigned int last_ar; // Autorepeat config unsigned int ar_delay; unsigned int ar_rate; // Maximum number of queued commands from keypresses (limit to avoid // repeated slow commands piling up) int key_fifo_size; // these are the keys currently down int key_down[MP_MAX_KEY_DOWN]; unsigned int num_key_down; unsigned int last_key_down; bool test; bool default_bindings; // List of command binding sections struct cmd_bind_section *cmd_bind_sections; // Name of currently used command section char *section; // Bitfield of mp_input_section_flags int section_flags; // Used to track whether we managed to read something while checking // events sources. If yes, the sources may have more queued. bool got_new_events; struct input_fd key_fds[MP_MAX_KEY_FD]; unsigned int num_key_fd; struct input_fd cmd_fds[MP_MAX_CMD_FD]; unsigned int num_cmd_fd; struct cmd_queue key_cmd_queue; struct cmd_queue control_cmd_queue; int wakeup_pipe[2]; }; int async_quit_request; static int print_key_list(m_option_t *cfg, char *optname, char *optparam); static int print_cmd_list(m_option_t *cfg, char *optname, char *optparam); // Our command line options static const m_option_t input_conf[] = { OPT_STRING("conf", input.config_file, CONF_GLOBAL, OPTDEF_STR("input.conf")), OPT_INT("ar-delay", input.ar_delay, CONF_GLOBAL), OPT_INT("ar-rate", input.ar_rate, CONF_GLOBAL), { "keylist", print_key_list, CONF_TYPE_PRINT_FUNC, CONF_GLOBAL | CONF_NOCFG }, { "cmdlist", print_cmd_list, CONF_TYPE_PRINT_FUNC, CONF_GLOBAL | CONF_NOCFG }, OPT_STRING("js-dev", input.js_dev, CONF_GLOBAL), OPT_STRING("ar-dev", input.ar_dev, CONF_GLOBAL), OPT_STRING("file", input.in_file, CONF_GLOBAL), OPT_MAKE_FLAGS("default-bindings", input.default_bindings, CONF_GLOBAL), OPT_MAKE_FLAGS("test", input.test, CONF_GLOBAL), { NULL, NULL, 0, 0, 0, 0, NULL} }; static const m_option_t mp_input_opts[] = { { "input", (void *)&input_conf, CONF_TYPE_SUBCONFIG, 0, 0, 0, NULL}, OPT_MAKE_FLAGS("joystick", input.use_joystick, CONF_GLOBAL), OPT_MAKE_FLAGS("lirc", input.use_lirc, CONF_GLOBAL), OPT_MAKE_FLAGS("lircc", input.use_lircc, CONF_GLOBAL), OPT_MAKE_FLAGS("ar", input.use_ar, CONF_GLOBAL), { NULL, NULL, 0, 0, 0, 0, NULL} }; static int default_cmd_func(int fd, char *buf, int l); static const char builtin_input_conf[] = #include "input/input_conf.h" ; // Encode the unicode codepoint as UTF-8, and append to the end of the // talloc'ed buffer. static char *append_utf8_buffer(char *buffer, uint32_t codepoint) { char data[8]; uint8_t tmp; char *output = data; PUT_UTF8(codepoint, tmp, *output++ = tmp;); return talloc_strndup_append_buffer(buffer, data, output - data); } static char *get_key_name(int key, char *ret) { for (int i = 0; modifier_names[i].name; i++) { if (modifier_names[i].key & key) { ret = talloc_asprintf_append_buffer(ret, "%s+", modifier_names[i].name); key -= modifier_names[i].key; } } for (int i = 0; key_names[i].name != NULL; i++) { if (key_names[i].key == key) return talloc_asprintf_append_buffer(ret, "%s", key_names[i].name); } // printable, and valid unicode range if (key >= 32 && key <= 0x10FFFF) return append_utf8_buffer(ret, key); // Print the hex key code return talloc_asprintf_append_buffer(ret, "%#-8x", key); } static char *get_key_combo_name(int *keys, int max) { char *ret = talloc_strdup(NULL, ""); while (1) { ret = get_key_name(*keys, ret); if (--max && *++keys) talloc_asprintf_append_buffer(ret, "-"); else break; } return ret; } bool mp_input_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; } 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 bool queue_has_abort_cmds(struct cmd_queue *queue) { for (struct mp_cmd *cmd = queue->first; cmd; cmd = cmd->queue_next) { if (mp_input_is_abort_cmd(cmd->id)) return true; } return false; } 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 void queue_add(struct cmd_queue *queue, struct mp_cmd *cmd, bool at_head) { if (at_head) { cmd->queue_next = queue->first; queue->first = cmd; } else { struct mp_cmd **p_prev = &queue->first; while (*p_prev) p_prev = &(*p_prev)->queue_next; *p_prev = cmd; cmd->queue_next = NULL; } } int mp_input_add_cmd_fd(struct input_ctx *ictx, int fd, int select, int read_func(int fd, char *dest, int size), int close_func(int fd)) { if (ictx->num_cmd_fd == MP_MAX_CMD_FD) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Too many command file descriptors, " "cannot register file descriptor %d.\n", fd); return 0; } if (select && fd < 0) { mp_msg(MSGT_INPUT, MSGL_ERR, "Invalid fd %d in mp_input_add_cmd_fd", fd); return 0; } ictx->cmd_fds[ictx->num_cmd_fd] = (struct input_fd){ .fd = fd, .read_func.cmd = read_func ? read_func : default_cmd_func, .close_func = close_func, .no_select = !select }; ictx->num_cmd_fd++; return 1; } void mp_input_rm_cmd_fd(struct input_ctx *ictx, int fd) { struct input_fd *cmd_fds = ictx->cmd_fds; unsigned int i; for (i = 0; i < ictx->num_cmd_fd; i++) { if (cmd_fds[i].fd == fd) break; } if (i == ictx->num_cmd_fd) return; if (cmd_fds[i].close_func) cmd_fds[i].close_func(cmd_fds[i].fd); talloc_free(cmd_fds[i].buffer); if (i + 1 < ictx->num_cmd_fd) memmove(&cmd_fds[i], &cmd_fds[i + 1], (ictx->num_cmd_fd - i - 1) * sizeof(struct input_fd)); ictx->num_cmd_fd--; } void mp_input_rm_key_fd(struct input_ctx *ictx, int fd) { struct input_fd *key_fds = ictx->key_fds; unsigned int i; for (i = 0; i < ictx->num_key_fd; i++) { if (key_fds[i].fd == fd) break; } if (i == ictx->num_key_fd) return; if (key_fds[i].close_func) key_fds[i].close_func(key_fds[i].fd); if (i + 1 < ictx->num_key_fd) memmove(&key_fds[i], &key_fds[i + 1], (ictx->num_key_fd - i - 1) * sizeof(struct input_fd)); ictx->num_key_fd--; } int mp_input_add_key_fd(struct input_ctx *ictx, int fd, int select, int read_func(void *ctx, int fd), int close_func(int fd), void *ctx) { if (ictx->num_key_fd == MP_MAX_KEY_FD) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Too many key file descriptors, " "cannot register file descriptor %d.\n", fd); return 0; } if (select && fd < 0) { mp_msg(MSGT_INPUT, MSGL_ERR, "Invalid fd %d in mp_input_add_key_fd", fd); return 0; } ictx->key_fds[ictx->num_key_fd] = (struct input_fd){ .fd = fd, .read_func.key = read_func, .close_func = close_func, .no_select = !select, .ctx = ctx, }; ictx->num_key_fd++; return 1; } static int parse_cycle_dir(const struct m_option *opt, struct bstr name, struct bstr param, void *dst) { float val; if (bstrcmp0(param, "up") == 0) { val = +1; } else if (bstrcmp0(param, "down") == 0) { val = -1; } else { return m_option_type_float.parse(opt, name, param, dst); } *(float *)dst = val; return 1; } static bool read_token(bstr str, bstr *out_rest, bstr *out_token) { bstr t = bstr_lstrip(str); int next = bstrcspn(t, WHITESPACE "#"); // Handle comments if (t.start[next] == '#') t = bstr_splice(t, 0, next); if (!t.len) return false; *out_token = bstr_splice(t, 0, next); *out_rest = bstr_cut(t, next); return true; } static bool eat_token(bstr *str, const char *tok) { bstr rest, token; if (read_token(*str, &rest, &token) && bstrcmp0(token, tok) == 0) { *str = rest; return true; } return false; } static bool append_escape(bstr *code, char **str) { if (code->len < 1) return false; char replace = 0; switch (code->start[0]) { case '"': replace = '"'; break; case '\\': replace = '\\'; break; case 'b': replace = '\b'; break; case 'f': replace = '\f'; break; case 'n': replace = '\n'; break; case 'r': replace = '\r'; break; case 't': replace = '\t'; break; case 'e': replace = '\x1b'; break; case '\'': replace = '\''; break; } if (replace) { *str = talloc_strndup_append_buffer(*str, &replace, 1); *code = bstr_cut(*code, 1); return true; } if (code->start[0] == 'x' && code->len >= 3) { bstr num = bstr_splice(*code, 1, 3); char c = bstrtoll(num, &num, 16); if (!num.len) return false; *str = talloc_strndup_append_buffer(*str, &c, 1); *code = bstr_cut(*code, 3); return true; } if (code->start[0] == 'u' && code->len >= 5) { bstr num = bstr_splice(*code, 1, 5); int c = bstrtoll(num, &num, 16); if (num.len) return false; *str = append_utf8_buffer(*str, c); *code = bstr_cut(*code, 5); return true; } return false; } static bool read_escaped_string(void *talloc_ctx, bstr *str, bstr *literal) { bstr t = *str; char *new = talloc_strdup(talloc_ctx, ""); while (t.len) { if (t.start[0] == '"') break; if (t.start[0] == '\\') { t = bstr_cut(t, 1); if (!append_escape(&t, &new)) goto error; } else { new = talloc_strndup_append_buffer(new, t.start, 1); t = bstr_cut(t, 1); } } int len = str->len - t.len; *literal = new ? bstr0(new) : bstr_splice(*str, 0, len); *str = bstr_cut(*str, len); return true; error: talloc_free(new); return false; } mp_cmd_t *mp_input_parse_cmd(bstr str, const char *loc) { int pausing = 0; int on_osd = MP_ON_OSD_AUTO; struct mp_cmd *cmd = NULL; bstr start = str; void *tmp = talloc_new(NULL); if (eat_token(&str, "pausing")) { pausing = 1; } else if (eat_token(&str, "pausing_keep")) { pausing = 2; } else if (eat_token(&str, "pausing_toggle")) { pausing = 3; } else if (eat_token(&str, "pausing_keep_force")) { pausing = 4; } str = bstr_lstrip(str); for (const struct legacy_cmd *entry = legacy_cmds; entry->old; entry++) { size_t old_len = strlen(entry->old); if (bstrcasecmp(bstr_splice(str, 0, old_len), (bstr) {(char *)entry->old, old_len}) == 0) { mp_tmsg(MSGT_INPUT, MSGL_V, "Warning: command '%s' is " "deprecated, replaced with '%s' at %s.\n", entry->old, entry->new, loc); bstr s = bstr_cut(str, old_len); str = bstr0(talloc_asprintf(tmp, "%s%.*s", entry->new, BSTR_P(s))); start = str; break; } } if (eat_token(&str, "no-osd")) { on_osd = MP_ON_OSD_NO; } else if (eat_token(&str, "osd-bar")) { on_osd = MP_ON_OSD_BAR; } else if (eat_token(&str, "osd-msg")) { on_osd = MP_ON_OSD_MSG; } else if (eat_token(&str, "osd-msg-bar")) { on_osd = MP_ON_OSD_MSG | MP_ON_OSD_BAR; } else if (eat_token(&str, "osd-auto")) { // default } int cmd_idx = 0; while (mp_cmds[cmd_idx].name != NULL) { if (eat_token(&str, mp_cmds[cmd_idx].name)) break; cmd_idx++; } if (mp_cmds[cmd_idx].name == NULL) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Command '%.*s' not found.\n", BSTR_P(str)); goto error; } cmd = talloc_ptrtype(NULL, cmd); *cmd = mp_cmds[cmd_idx]; cmd->pausing = pausing; cmd->on_osd = on_osd; for (int i = 0; i < MP_CMD_MAX_ARGS; i++) { struct mp_cmd_arg *cmdarg = &cmd->args[i]; if (!cmdarg->type.type) break; cmd->nargs++; str = bstr_lstrip(str); bstr arg = {0}; if (cmdarg->type.type == &m_option_type_string && bstr_eatstart0(&str, "\"")) { if (!read_escaped_string(tmp, &str, &arg)) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Command %s: argument %d " "has broken string escapes.\n", cmd->name, i + 1); goto error; } if (!bstr_eatstart0(&str, "\"")) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Command %s: argument %d is " "unterminated.\n", cmd->name, i + 1); goto error; } } else { if (!read_token(str, &str, &arg)) break; if (cmdarg->optional && bstrcmp0(arg, "-") == 0) continue; } // Prevent option API from trying to deallocate static strings cmdarg->v = ((struct mp_cmd_arg) {{0}}).v; int r = m_option_parse(&cmdarg->type, bstr0(cmd->name), arg, &cmdarg->v); if (r < 0) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Command %s: argument %d " "can't be parsed: %s.\n", cmd->name, i + 1, m_option_strerror(r)); goto error; } if (cmdarg->type.type == &m_option_type_string) cmdarg->v.s = talloc_steal(cmd, cmdarg->v.s); } bstr dummy; if (read_token(str, &dummy, &dummy)) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Command %s has trailing unused " "arguments: '%.*s'.\n", cmd->name, BSTR_P(str)); // Better make it fatal to make it clear something is wrong. goto error; } int min_args = 0; while (min_args < MP_CMD_MAX_ARGS && cmd->args[min_args].type.type && !cmd->args[min_args].optional) { min_args++; } if (cmd->nargs < min_args) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Command %s requires at least %d " "arguments, we found only %d so far.\n", cmd->name, min_args, cmd->nargs); goto error; } bstr orig = (bstr) {start.start, str.start - start.start}; cmd->original = bstrdup(cmd, bstr_strip(orig)); talloc_free(tmp); return cmd; error: mp_tmsg(MSGT_INPUT, MSGL_ERR, "Command was defined at %s.\n", loc); talloc_free(cmd); talloc_free(tmp); return NULL; } #define MP_CMD_MAX_SIZE 4096 static int read_cmd(struct input_fd *mp_fd, char **ret) { char *end; *ret = NULL; // Allocate the buffer if it doesn't exist if (!mp_fd->buffer) { mp_fd->buffer = talloc_size(NULL, MP_CMD_MAX_SIZE); mp_fd->pos = 0; mp_fd->size = MP_CMD_MAX_SIZE; } // Get some data if needed/possible while (!mp_fd->got_cmd && !mp_fd->eof && (mp_fd->size - mp_fd->pos > 1)) { int r = mp_fd->read_func.cmd(mp_fd->fd, mp_fd->buffer + mp_fd->pos, mp_fd->size - 1 - mp_fd->pos); // Error ? if (r < 0) { switch (r) { case MP_INPUT_ERROR: case MP_INPUT_DEAD: mp_tmsg(MSGT_INPUT, MSGL_ERR, "Error while reading " "command file descriptor %d: %s\n", mp_fd->fd, strerror(errno)); case MP_INPUT_NOTHING: return r; case MP_INPUT_RETRY: continue; } // EOF ? } else if (r == 0) { mp_fd->eof = 1; break; } mp_fd->pos += r; break; } mp_fd->got_cmd = 0; while (1) { int l = 0; // Find the cmd end mp_fd->buffer[mp_fd->pos] = '\0'; end = strchr(mp_fd->buffer, '\r'); if (end) *end = '\n'; end = strchr(mp_fd->buffer, '\n'); // No cmd end ? if (!end) { // If buffer is full we must drop all until the next \n if (mp_fd->size - mp_fd->pos <= 1) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Command buffer of file " "descriptor %d is full: dropping content.\n", mp_fd->fd); mp_fd->pos = 0; mp_fd->drop = 1; } break; } // We already have a cmd : set the got_cmd flag else if ((*ret)) { mp_fd->got_cmd = 1; break; } l = end - mp_fd->buffer; // Not dropping : put the cmd in ret if (!mp_fd->drop) *ret = talloc_strndup(NULL, mp_fd->buffer, l); else mp_fd->drop = 0; mp_fd->pos -= l + 1; memmove(mp_fd->buffer, end + 1, mp_fd->pos); } if (*ret) return 1; else return MP_INPUT_NOTHING; } static int default_cmd_func(int fd, char *buf, int l) { while (1) { int r = read(fd, buf, l); // Error ? if (r < 0) { if (errno == EINTR) continue; else if (errno == EAGAIN) return MP_INPUT_NOTHING; return MP_INPUT_ERROR; // EOF ? } return r; } } static int read_wakeup(void *ctx, int fd) { char buf[100]; read(fd, buf, sizeof(buf)); return MP_INPUT_NOTHING; } static bool bind_matches_key(struct cmd_bind *bind, int n, int *keys); static void append_bind_info(char **pmsg, struct cmd_bind *bind) { char *msg = *pmsg; struct mp_cmd *cmd = mp_input_parse_cmd(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); if (bind->owner->is_builtin) { msg = talloc_asprintf_append(msg, " (default binding)"); } else { msg = talloc_asprintf_append(msg, " in %s", bind->location); } *pmsg = msg; } static mp_cmd_t *handle_test(struct input_ctx *ictx, int n, int *keys) { char *key_buf = get_key_combo_name(keys, n); // "$>" to disable property substitution when invoking "show_text" char *msg = talloc_asprintf(NULL, "$>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 (struct cmd_bind *bind = bs->cmd_binds; bind->cmd; bind++) { if (bind_matches_key(bind, n, keys)) { count++; msg = talloc_asprintf_append(msg, "%d. ", count); append_bind_info(&msg, bind); msg = talloc_asprintf_append(msg, "\n"); } } } if (!count) msg = talloc_asprintf_append(msg, "(nothing)"); mp_cmd_t *res = mp_input_parse_cmd(bstr0("show_text \"\""), ""); res->args[0].v.s = talloc_steal(res, msg); return res; } static bool bind_matches_key(struct cmd_bind *bind, int n, int *keys) { int found = 1, s; for (s = 0; s < n && bind->input[s] != 0; s++) { if (bind->input[s] != keys[s]) { found = 0; break; } } return found && bind->input[s] == 0 && s == n; } static struct cmd_bind *find_bind_for_key(struct cmd_bind *binds, int n, int *keys) { int j; if (n <= 0) return NULL; for (j = 0; binds[j].cmd != NULL; j++) { if (bind_matches_key(&binds[j], n, keys)) break; } return binds[j].cmd ? &binds[j] : NULL; } static struct cmd_bind_section *get_bind_section(struct input_ctx *ictx, bool builtin, 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 && builtin == bind_section->is_builtin) 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->cmd_binds = NULL; bind_section->section = bstrdup0(bind_section, section); bind_section->is_builtin = builtin; bind_section->next = NULL; return bind_section; } static struct cmd_bind *section_find_bind_for_key(struct input_ctx *ictx, bool builtin, char *section, int n, int *keys) { struct cmd_bind_section *bs = get_bind_section(ictx, builtin, bstr0(section)); return bs->cmd_binds ? find_bind_for_key(bs->cmd_binds, n, keys) : NULL; } static mp_cmd_t *get_cmd_from_keys(struct input_ctx *ictx, int n, int *keys) { if (ictx->test) return handle_test(ictx, n, keys); struct cmd_bind *cmd = section_find_bind_for_key(ictx, false, ictx->section, n, keys); if (ictx->default_bindings && cmd == NULL) cmd = section_find_bind_for_key(ictx, true, ictx->section, n, keys); if (!(ictx->section_flags & MP_INPUT_NO_DEFAULT_SECTION)) { if (cmd == NULL) cmd = section_find_bind_for_key(ictx, false, "default", n, keys); if (ictx->default_bindings && cmd == NULL) cmd = section_find_bind_for_key(ictx, true, "default", n, keys); } if (cmd == NULL) { char *key_buf = get_key_combo_name(keys, n); mp_tmsg(MSGT_INPUT, MSGL_WARN, "No bind found for key '%s'.\n", key_buf); talloc_free(key_buf); return NULL; } mp_cmd_t *ret = mp_input_parse_cmd(bstr0(cmd->cmd), cmd->location); if (!ret) { char *key_buf = get_key_combo_name(keys, n); mp_tmsg(MSGT_INPUT, MSGL_ERR, "Invalid command for bound key '%s': '%s'\n", key_buf, cmd->cmd); talloc_free(key_buf); } return ret; } static mp_cmd_t *interpret_key(struct input_ctx *ictx, int code) { unsigned int j; mp_cmd_t *ret; /* On normal keyboards shift changes the character code of non-special * keys, so don't count the modifier separately for those. In other words * we want to have "a" and "A" instead of "a" and "Shift+A"; but a separate * shift modifier is still kept for special keys like arrow keys. */ int unmod = code & ~KEY_MODIFIER_MASK; if (unmod >= 32 && unmod < MP_KEY_BASE) code &= ~KEY_MODIFIER_SHIFT; if (code & MP_KEY_DOWN) { if (ictx->num_key_down > MP_MAX_KEY_DOWN) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Too many key down events " "at the same time\n"); return NULL; } code &= ~MP_KEY_DOWN; // Check if we don't already have this key as pushed for (j = 0; j < ictx->num_key_down; j++) { if (ictx->key_down[j] == code) break; } if (j != ictx->num_key_down) return NULL; ictx->key_down[ictx->num_key_down] = code; ictx->num_key_down++; ictx->last_key_down = GetTimer(); ictx->ar_state = 0; return NULL; } // button released or press of key with no separate down/up events for (j = 0; j < ictx->num_key_down; j++) { if (ictx->key_down[j] == code) break; } bool doubleclick = code >= MOUSE_BTN0_DBL && code < MOUSE_BTN_DBL_END; if (doubleclick) { int btn = code - MOUSE_BTN0_DBL + MOUSE_BTN0; if (!ictx->num_key_down || ictx->key_down[ictx->num_key_down - 1] != btn) return NULL; j = ictx->num_key_down - 1; ictx->key_down[j] = code; } if (j == ictx->num_key_down) { // was not already down; add temporarily if (ictx->num_key_down > MP_MAX_KEY_DOWN) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Too many key down events " "at the same time\n"); return NULL; } ictx->key_down[ictx->num_key_down] = code; ictx->num_key_down++; ictx->last_key_down = 1; } // Interpret only maximal point of multibutton event ret = ictx->last_key_down ? get_cmd_from_keys(ictx, ictx->num_key_down, ictx->key_down) : NULL; if (doubleclick) { ictx->key_down[j] = code - MOUSE_BTN0_DBL + MOUSE_BTN0; return ret; } // Remove the key if (j + 1 < ictx->num_key_down) memmove(&ictx->key_down[j], &ictx->key_down[j + 1], (ictx->num_key_down - (j + 1)) * sizeof(int)); ictx->num_key_down--; ictx->last_key_down = 0; ictx->ar_state = -1; mp_cmd_free(ictx->ar_cmd); ictx->ar_cmd = NULL; return ret; } static mp_cmd_t *check_autorepeat(struct input_ctx *ictx) { // No input : autorepeat ? if (ictx->ar_rate > 0 && ictx->ar_state >= 0 && ictx->num_key_down > 0 && !(ictx->key_down[ictx->num_key_down - 1] & MP_NO_REPEAT_KEY)) { unsigned int t = GetTimer(); // First time : wait delay if (ictx->ar_state == 0 && (t - ictx->last_key_down) >= ictx->ar_delay * 1000) { ictx->ar_cmd = get_cmd_from_keys(ictx, ictx->num_key_down, ictx->key_down); if (!ictx->ar_cmd) { ictx->ar_state = -1; return NULL; } ictx->ar_state = 1; ictx->last_ar = t; return mp_cmd_clone(ictx->ar_cmd); // Then send rate / sec event } else if (ictx->ar_state == 1 && (t - ictx->last_ar) >= 1000000 / ictx->ar_rate) { ictx->last_ar = t; return mp_cmd_clone(ictx->ar_cmd); } } return NULL; } void mp_input_feed_key(struct input_ctx *ictx, int code) { ictx->got_new_events = true; if (code == MP_INPUT_RELEASE_ALL) { memset(ictx->key_down, 0, sizeof(ictx->key_down)); ictx->num_key_down = 0; ictx->last_key_down = 0; return; } struct mp_cmd *cmd = interpret_key(ictx, code); if (!cmd) return; struct cmd_queue *queue = &ictx->key_cmd_queue; if (queue_count_cmds(queue) >= ictx->key_fifo_size && (!mp_input_is_abort_cmd(cmd->id) || queue_has_abort_cmds(queue))) { talloc_free(cmd); return; } queue_add(queue, cmd, false); } static void read_cmd_fd(struct input_ctx *ictx, struct input_fd *cmd_fd) { int r; char *text; while ((r = read_cmd(cmd_fd, &text)) >= 0) { ictx->got_new_events = true; struct mp_cmd *cmd = mp_input_parse_cmd(bstr0(text), ""); talloc_free(text); if (cmd) queue_add(&ictx->control_cmd_queue, cmd, false); if (!cmd_fd->got_cmd) return; } if (r == MP_INPUT_ERROR) mp_tmsg(MSGT_INPUT, MSGL_ERR, "Error on command file descriptor %d\n", cmd_fd->fd); else if (r == MP_INPUT_DEAD) cmd_fd->dead = true; } static void read_key_fd(struct input_ctx *ictx, struct input_fd *key_fd) { int code = key_fd->read_func.key(key_fd->ctx, key_fd->fd); if (code >= 0 || code == MP_INPUT_RELEASE_ALL) { mp_input_feed_key(ictx, code); return; } if (code == MP_INPUT_ERROR) mp_tmsg(MSGT_INPUT, MSGL_ERR, "Error on key input file descriptor %d\n", key_fd->fd); else if (code == MP_INPUT_DEAD) { mp_tmsg(MSGT_INPUT, MSGL_ERR, "Dead key input on file descriptor %d\n", key_fd->fd); key_fd->dead = true; } } /** * \param time time to wait at most for an event in milliseconds */ static void read_events(struct input_ctx *ictx, int time) { ictx->got_new_events = false; struct input_fd *key_fds = ictx->key_fds; struct input_fd *cmd_fds = ictx->cmd_fds; for (int i = 0; i < ictx->num_key_fd; i++) if (key_fds[i].dead) { mp_input_rm_key_fd(ictx, key_fds[i].fd); i--; } else if (time && key_fds[i].no_select) read_key_fd(ictx, &key_fds[i]); for (int i = 0; i < ictx->num_cmd_fd; i++) if (cmd_fds[i].dead || cmd_fds[i].eof) { mp_input_rm_cmd_fd(ictx, cmd_fds[i].fd); i--; } else if (time && cmd_fds[i].no_select) read_cmd_fd(ictx, &cmd_fds[i]); if (ictx->got_new_events) time = 0; #ifdef HAVE_POSIX_SELECT fd_set fds; FD_ZERO(&fds); int max_fd = 0; for (int i = 0; i < ictx->num_key_fd; i++) { if (key_fds[i].no_select) continue; if (key_fds[i].fd > max_fd) max_fd = key_fds[i].fd; FD_SET(key_fds[i].fd, &fds); } for (int i = 0; i < ictx->num_cmd_fd; i++) { if (cmd_fds[i].no_select) continue; if (cmd_fds[i].fd > max_fd) max_fd = cmd_fds[i].fd; FD_SET(cmd_fds[i].fd, &fds); } struct timeval tv, *time_val; if (time >= 0) { tv.tv_sec = time / 1000; tv.tv_usec = (time % 1000) * 1000; time_val = &tv; } else time_val = NULL; if (select(max_fd + 1, &fds, NULL, NULL, time_val) < 0) { if (errno != EINTR) mp_tmsg(MSGT_INPUT, MSGL_ERR, "Select error: %s\n", strerror(errno)); FD_ZERO(&fds); } #else if (time) usec_sleep(time * 1000); #endif for (int i = 0; i < ictx->num_key_fd; i++) { #ifdef HAVE_POSIX_SELECT if (!key_fds[i].no_select && !FD_ISSET(key_fds[i].fd, &fds)) continue; #endif read_key_fd(ictx, &key_fds[i]); } for (int i = 0; i < ictx->num_cmd_fd; i++) { #ifdef HAVE_POSIX_SELECT if (!cmd_fds[i].no_select && !FD_ISSET(cmd_fds[i].fd, &fds)) continue; #endif read_cmd_fd(ictx, &cmd_fds[i]); } } /* To support blocking file descriptors we don't loop the read over * every source until it's known to be empty. Instead we use this wrapper * to run select() again. */ static void read_all_fd_events(struct input_ctx *ictx, int time) { while (1) { read_events(ictx, time); if (!ictx->got_new_events) return; time = 0; } } static void read_all_events(struct input_ctx *ictx, int time) { #ifdef CONFIG_COCOA cocoa_events_read_all_events(ictx, time); #else read_all_fd_events(ictx, time); #endif } int mp_input_queue_cmd(struct input_ctx *ictx, mp_cmd_t *cmd) { ictx->got_new_events = true; if (!cmd) return 0; queue_add(&ictx->control_cmd_queue, cmd, true); return 1; } /** * \param peek_only when set, the returned command stays in the queue. * Do not free the returned cmd whe you set this! */ mp_cmd_t *mp_input_get_cmd(struct input_ctx *ictx, int time, int peek_only) { if (async_quit_request) return mp_input_parse_cmd(bstr0("quit 1"), ""); if (ictx->control_cmd_queue.first || ictx->key_cmd_queue.first) time = 0; read_all_events(ictx, time); struct cmd_queue *queue = &ictx->control_cmd_queue; if (!queue->first) queue = &ictx->key_cmd_queue; if (!queue->first) { struct mp_cmd *repeated = check_autorepeat(ictx); if (repeated) queue_add(queue, repeated, false); } struct mp_cmd *ret = queue->first; if (!ret) return NULL; if (!peek_only) queue_remove(queue, ret); return ret; } void mp_cmd_free(mp_cmd_t *cmd) { talloc_free(cmd); } mp_cmd_t *mp_cmd_clone(mp_cmd_t *cmd) { mp_cmd_t *ret; int i; ret = talloc_memdup(NULL, cmd, sizeof(mp_cmd_t)); ret->name = talloc_strdup(ret, cmd->name); for (i = 0; i < MP_CMD_MAX_ARGS; i++) { if (cmd->args[i].type.type == &m_option_type_string) ret->args[i].v.s = talloc_strdup(ret, cmd->args[i].v.s); } return ret; } int mp_input_get_key_from_name(const char *name) { int modifiers = 0; const char *p; while ((p = strchr(name, '+'))) { for (struct key_name *m = modifier_names; m->name; m++) if (!bstrcasecmp(bstr0(m->name), (struct bstr){(char *)name, p - name})) { modifiers |= m->key; goto found; } if (!strcmp(name, "+")) return '+' + modifiers; return -1; found: name = p + 1; } struct bstr bname = bstr0(name); struct bstr rest; int code = bstr_decode_utf8(bname, &rest); if (code >= 0 && rest.len == 0) return code + modifiers; if (bstr_startswith0(bname, "0x")) return strtol(name, NULL, 16) + modifiers; for (int i = 0; key_names[i].name != NULL; i++) { if (strcasecmp(key_names[i].name, name) == 0) return key_names[i].key + modifiers; } return -1; } static int get_input_from_name(char *name, int *keys) { char *end, *ptr; int n = 0; ptr = name; n = 0; for (end = strchr(ptr, '-'); ptr != NULL; end = strchr(ptr, '-')) { if (end && end[1] != '\0') { if (end[1] == '-') end = &end[1]; end[0] = '\0'; } keys[n] = mp_input_get_key_from_name(ptr); if (keys[n] < 0) return 0; n++; if (end && end[1] != '\0' && n < MP_MAX_KEY_DOWN) ptr = &end[1]; else break; } keys[n] = 0; return 1; } static void bind_keys(struct input_ctx *ictx, bool builtin, bstr section, const int keys[MP_MAX_KEY_DOWN + 1], bstr command, const char *loc) { int i = 0, j; struct cmd_bind *bind = NULL; struct cmd_bind_section *bind_section = NULL; bind_section = get_bind_section(ictx, builtin, section); if (bind_section->cmd_binds) { for (i = 0; bind_section->cmd_binds[i].cmd != NULL; i++) { for (j = 0; bind_section->cmd_binds[i].input[j] == keys[j] && keys[j] != 0; j++) /* NOTHING */; if (keys[j] == 0 && bind_section->cmd_binds[i].input[j] == 0 ) { bind = &bind_section->cmd_binds[i]; break; } } } if (!bind) { bind_section->cmd_binds = talloc_realloc(bind_section, bind_section->cmd_binds, struct cmd_bind, i + 2); memset(&bind_section->cmd_binds[i], 0, 2 * sizeof(struct cmd_bind)); bind = &bind_section->cmd_binds[i]; } talloc_free(bind->cmd); bind->cmd = bstrdup0(bind_section->cmd_binds, command); bind->location = talloc_strdup(bind_section->cmd_binds, loc); bind->owner = bind_section; memcpy(bind->input, keys, (MP_MAX_KEY_DOWN + 1) * sizeof(int)); } static int parse_config(struct input_ctx *ictx, bool builtin, bstr data, const char *location) { int n_binds = 0, keys[MP_MAX_KEY_DOWN + 1]; 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; 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_tmsg(MSGT_INPUT, MSGL_ERR, "Unfinished key binding: %.*s at %s\n", BSTR_P(line), cur_loc); continue; } char *name = bstrdup0(NULL, keyname); if (!get_input_from_name(name, keys)) { talloc_free(name); mp_tmsg(MSGT_INPUT, MSGL_ERR, "Unknown key '%.*s' at %s\n", BSTR_P(keyname), cur_loc); continue; } talloc_free(name); bstr section = {0}; 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, command, cur_loc); n_binds++; // Print warnings if invalid commands are encountered. talloc_free(mp_input_parse_cmd(command, cur_loc)); } talloc_free(cur_loc); return n_binds; } static int parse_config_file(struct input_ctx *ictx, char *file) { struct bstr res = {0}; stream_t *s = open_stream(file, NULL, NULL); if (!s) { mp_msg(MSGT_INPUT, MSGL_V, "Can't open input config file %s.\n", file); return 0; } res = stream_read_complete(s, NULL, 1000000, 0); free_stream(s); mp_msg(MSGT_INPUT, MSGL_V, "Parsing input config file %s\n", file); int n_binds = parse_config(ictx, false, res, file); talloc_free(res.start); mp_msg(MSGT_INPUT, MSGL_V, "Input config file %s parsed: %d binds\n", file, n_binds); return 1; } void mp_input_set_section(struct input_ctx *ictx, char *name, int flags) { talloc_free(ictx->section); ictx->section = talloc_strdup(ictx, name ? name : "default"); ictx->section_flags = flags; } char *mp_input_get_section(struct input_ctx *ictx) { return ictx->section; } struct input_ctx *mp_input_init(struct input_conf *input_conf) { struct input_ctx *ictx = talloc_ptrtype(NULL, ictx); *ictx = (struct input_ctx){ .key_fifo_size = input_conf->key_fifo_size, .ar_state = -1, .ar_delay = input_conf->ar_delay, .ar_rate = input_conf->ar_rate, .default_bindings = input_conf->default_bindings, .test = input_conf->test, .wakeup_pipe = {-1, -1}, }; ictx->section = talloc_strdup(ictx, "default"); parse_config(ictx, true, bstr0(builtin_input_conf), ""); #ifdef CONFIG_COCOA cocoa_events_init(ictx, read_all_fd_events); #endif #ifndef __MINGW32__ long ret = pipe(ictx->wakeup_pipe); for (int i = 0; i < 2 && ret >= 0; i++) { ret = fcntl(ictx->wakeup_pipe[i], F_GETFL); if (ret < 0) break; ret = fcntl(ictx->wakeup_pipe[i], F_SETFL, ret | O_NONBLOCK); } if (ret < 0) mp_msg(MSGT_INPUT, MSGL_ERR, "Failed to initialize wakeup pipe: %s\n", strerror(errno)); else mp_input_add_key_fd(ictx, ictx->wakeup_pipe[0], true, read_wakeup, NULL, NULL); #endif char *file; char *config_file = input_conf->config_file; file = config_file[0] != '/' ? get_path(config_file) : config_file; if (!file) return ictx; if (!parse_config_file(ictx, file)) { // free file if it was allocated by get_path(), // before it gets overwritten if (file != config_file) free(file); // Try global conf dir file = MPLAYER_CONFDIR "/input.conf"; if (!parse_config_file(ictx, file)) mp_msg(MSGT_INPUT, MSGL_V, "Falling back on default (hardcoded) " "input config\n"); } else { // free file if it was allocated by get_path() if (file != config_file) free(file); } #ifdef CONFIG_JOYSTICK if (input_conf->use_joystick) { int fd = mp_input_joystick_init(input_conf->js_dev); if (fd < 0) mp_tmsg(MSGT_INPUT, MSGL_ERR, "Can't init input joystick\n"); else mp_input_add_key_fd(ictx, fd, 1, mp_input_joystick_read, close, NULL); } #endif #ifdef CONFIG_LIRC if (input_conf->use_lirc) { int fd = mp_input_lirc_init(); if (fd > 0) mp_input_add_cmd_fd(ictx, fd, 0, mp_input_lirc_read, mp_input_lirc_close); } #endif #ifdef CONFIG_LIRCC if (input_conf->use_lircc) { int fd = lircc_init("mpv", NULL); if (fd >= 0) mp_input_add_cmd_fd(ictx, fd, 1, NULL, lircc_cleanup); } #endif #ifdef CONFIG_APPLE_REMOTE if (input_conf->use_ar) { if (mp_input_ar_init() < 0) mp_tmsg(MSGT_INPUT, MSGL_ERR, "Can't init Apple Remote.\n"); else mp_input_add_key_fd(ictx, -1, 0, mp_input_ar_read, mp_input_ar_close, NULL); } #endif #ifdef CONFIG_APPLE_IR if (input_conf->use_ar) { int fd = mp_input_appleir_init(input_conf->ar_dev); if (fd < 0) mp_tmsg(MSGT_INPUT, MSGL_ERR, "Can't init Apple Remote.\n"); else mp_input_add_key_fd(ictx, fd, 1, mp_input_appleir_read, close, NULL); } #endif if (input_conf->in_file) { int mode = O_RDONLY; #ifndef __MINGW32__ // Use RDWR for FIFOs to ensure they stay open over multiple accesses. // Note that on Windows due to how the API works, using RDONLY should // be ok. struct stat st; if (stat(input_conf->in_file, &st) == 0 && S_ISFIFO(st.st_mode)) mode = O_RDWR; mode |= O_NONBLOCK; #endif int in_file_fd = open(input_conf->in_file, mode); if (in_file_fd >= 0) mp_input_add_cmd_fd(ictx, in_file_fd, 1, NULL, close); else mp_tmsg(MSGT_INPUT, MSGL_ERR, "Can't open %s: %s\n", input_conf->in_file, strerror(errno)); } return ictx; } void mp_input_uninit(struct input_ctx *ictx) { #ifdef CONFIG_COCOA cocoa_events_uninit(); #endif if (!ictx) return; for (int i = 0; i < ictx->num_key_fd; i++) { if (ictx->key_fds[i].close_func) ictx->key_fds[i].close_func(ictx->key_fds[i].fd); } for (int i = 0; i < ictx->num_cmd_fd; i++) { if (ictx->cmd_fds[i].close_func) ictx->cmd_fds[i].close_func(ictx->cmd_fds[i].fd); } for (int i = 0; i < 2; i++) if (ictx->wakeup_pipe[i] != -1) close(ictx->wakeup_pipe[i]); talloc_free(ictx); } void mp_input_register_options(m_config_t *cfg) { m_config_register_options(cfg, mp_input_opts); } static int print_key_list(m_option_t *cfg, char *optname, char *optparam) { int i; printf("\n"); for (i = 0; key_names[i].name != NULL; i++) printf("%s\n", key_names[i].name); return M_OPT_EXIT; } static int print_cmd_list(m_option_t *cfg, char *optname, char *optparam) { const mp_cmd_t *cmd; int i, j; for (i = 0; (cmd = &mp_cmds[i])->name != NULL; i++) { printf("%-20.20s", cmd->name); for (j = 0; j < MP_CMD_MAX_ARGS && cmd->args[j].type.type; j++) { const char *type = cmd->args[j].type.type->name; if (cmd->args[j].optional) printf(" [%s]", type); else printf(" %s", type); } printf("\n"); } return M_OPT_EXIT; } void mp_input_wakeup(struct input_ctx *ictx) { if (ictx->wakeup_pipe[1] >= 0) write(ictx->wakeup_pipe[1], &(char){0}, 1); } /** * \param time time to wait for an interruption in milliseconds */ int mp_input_check_interrupt(struct input_ctx *ictx, int time) { for (int i = 0; ; i++) { if (async_quit_request || queue_has_abort_cmds(&ictx->key_cmd_queue) || queue_has_abort_cmds(&ictx->control_cmd_queue)) { mp_tmsg(MSGT_INPUT, MSGL_WARN, "Received command to move to " "another file. Aborting current processing.\n"); return true; } if (i) return false; read_all_events(ictx, time); } }