-/*
- * Copyright (C) 2012 Andre Noll <maan@tuebingen.mpg.de>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2012 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
/** \file play.c Paraslash's standalone player. */
#include <regex.h>
-#include <fnmatch.h>
#include <signal.h>
-#include <inttypes.h>
#include <lopsub.h>
+#include "recv_cmd.lsg.h"
+#include "filter_cmd.lsg.h"
+#include "play_cmd.lsg.h"
+#include "write_cmd.lsg.h"
+#include "play.lsg.h"
#include "para.h"
+#include "lsu.h"
#include "list.h"
-#include "play.cmdline.h"
-#include "play_cmd.lsg.h"
#include "error.h"
-#include "ggo.h"
#include "buffer_tree.h"
#include "version.h"
#include "string.h"
#include "afh.h"
#include "recv.h"
#include "write.h"
-#include "write_common.h"
#include "fd.h"
-/**
- * Besides playback tasks which correspond to the receiver/filter/writer nodes,
- * para_play creates two further tasks: The play task and the i9e task. It is
- * important whether a function can be called in the context of para_play or
- * i9e or both. As a rule, all command handlers are called only in i9e context via
- * the line handler (input mode) or the key handler (command mode) below.
- *
- * Playlist handling is done exclusively in play context.
- */
-
/** Array of error strings. */
DEFINE_PARA_ERRLIST;
+static struct lls_parse_result *play_lpr;
+
+#define CMD_PTR (lls_cmd(0, play_suite))
+#define OPT_RESULT(_name) \
+ (lls_opt_result(LSG_PLAY_PARA_PLAY_OPT_ ## _name, play_lpr))
+#define OPT_GIVEN(_name) (lls_opt_given(OPT_RESULT(_name)))
+#define OPT_UINT32_VAL(_name) (lls_uint32_val(0, OPT_RESULT(_name)))
+#define OPT_STRING_VAL(_name) (lls_string_val(0, OPT_RESULT(_name)))
+
/**
* Describes a request to change the state of para_play.
*
* There is only one variable of this type: \a rq of the global play task
- * structure. Command handlers only set this variable and the post_select()
+ * structure. Command handlers only set this variable and the post_monitor()
* function of the play task investigates its value during each iteration of
* the scheduler run and performs the actual work.
*/
struct filter_node fn;
struct writer_node wn;
- /* See comment to enum state_change_request_type above */
+ /* See comment to enum \ref state_change_request_type above. */
enum state_change_request_type rq;
/* only relevant if rq == CRT_FILE_CHANGE */
unsigned next_file;
char *afhi_txt;
};
-typedef int (*play_cmd_handler_t)(struct play_task *pt,
- struct lls_parse_result *lpr);
+typedef int (*play_cmd_handler_t)(struct lls_parse_result *lpr);
struct play_command_info {
play_cmd_handler_t handler;
};
-#define EXPORT_PLAY_CMD_HANDLER(_cmd) \
- const struct play_command_info lsg_play_cmd_com_ ## _cmd ## _user_data = { \
- .handler = com_ ## _cmd \
- };
-
-/* Activate the afh receiver. */
-extern void afh_recv_init(struct receiver *r);
-#undef AFH_RECEIVER
-/** Initialization code for a receiver struct. */
-#define AFH_RECEIVER {.name = "afh", .init = afh_recv_init},
-/** This expands to the array of all receivers. */
-DEFINE_RECEIVER_ARRAY;
static int loglevel = LL_WARNING;
char *stat_item_values[NUM_STAT_ITEMS] = {NULL};
-/** Iterate over all files in the playlist. */
-#define FOR_EACH_PLAYLIST_FILE(i) for (i = 0; i < conf.inputs_num; i++)
-static struct play_args_info conf;
+static struct sched sched;
+static struct play_task play_task, *pt = &play_task;
-static struct sched sched = {.max_fileno = 0};
-static struct play_task play_task;
-static struct receiver *afh_recv;
+#define AFH_RECV_CMD (lls_cmd(LSG_RECV_CMD_CMD_AFH, recv_cmd_suite))
+#define AFH_RECV ((struct receiver *)lls_user_data(AFH_RECV_CMD))
-static void check_afh_receiver_or_die(void)
-{
- int i;
+static unsigned *shuffle_map;
- FOR_EACH_RECEIVER(i) {
- struct receiver *r = receivers + i;
- if (strcmp(r->name, "afh"))
- continue;
- afh_recv = r;
- return;
- }
- PARA_EMERG_LOG("fatal: afh receiver not found\n");
- exit(EXIT_FAILURE);
+static const char *get_playlist_file(unsigned idx)
+{
+ return lls_input(shuffle_map[idx], play_lpr);
}
-__noreturn static void print_help_and_die(void)
+static void handle_help_flags(void)
{
- struct ggo_help help = DEFINE_GGO_HELP(play);
- unsigned flags = conf.detailed_help_given?
- GPH_STANDARD_FLAGS_DETAILED : GPH_STANDARD_FLAGS;
+ char *help;
- ggo_print_help(&help, flags);
- printf("supported audio formats: %s\n", AUDIO_FORMAT_HANDLERS);
- exit(0);
+ if (OPT_GIVEN(DETAILED_HELP))
+ help = lls_long_help(CMD_PTR);
+ else if (OPT_GIVEN(HELP) || lls_num_inputs(play_lpr) == 0)
+ help = lls_short_help(CMD_PTR);
+ else
+ return;
+ printf("%s\n", help);
+ free(help);
+ exit(EXIT_SUCCESS);
}
static void parse_config_or_die(int argc, char *argv[])
{
int i, ret;
- char *config_file;
- struct play_cmdline_parser_params params = {
- .override = 0,
- .initialize = 1,
- .check_required = 0,
- .check_ambiguity = 0,
- .print_errors = 1
- };
+ unsigned num_kmas;
+ char *errctx;
- play_cmdline_parser_ext(argc, argv, &conf, ¶ms);
- loglevel = get_loglevel_by_name(conf.loglevel_arg);
- version_handle_flag("play", conf.version_given);
- if (conf.help_given || conf.detailed_help_given)
- print_help_and_die();
- if (conf.config_file_given)
- config_file = para_strdup(conf.config_file_arg);
- else {
- char *home = para_homedir();
- config_file = make_message("%s/.paraslash/play.conf", home);
- free(home);
- }
- ret = file_exists(config_file);
- if (conf.config_file_given && !ret) {
- PARA_EMERG_LOG("can not read config file %s\n", config_file);
- goto err;
+ ret = lls(lls_parse(argc, argv, CMD_PTR, &play_lpr, &errctx));
+ if (ret < 0) {
+ if (errctx)
+ PARA_EMERG_LOG("%s\n", errctx);
+ free(errctx);
+ PARA_EMERG_LOG("failed to parse command line options: %s\n",
+ para_strerror(-ret));
+ exit(EXIT_FAILURE);
}
- if (ret) {
- params.initialize = 0;
- params.check_required = 1;
- play_cmdline_parser_config_file(config_file, &conf, ¶ms);
- loglevel = get_loglevel_by_name(conf.loglevel_arg);
+ loglevel = OPT_UINT32_VAL(LOGLEVEL);
+ version_handle_flag("play", OPT_GIVEN(VERSION));
+ handle_help_flags(); /* also handles the zero-arg case */
+ ret = lsu_merge_config_file_options(OPT_STRING_VAL(CONFIG_FILE),
+ "play.conf", &play_lpr, CMD_PTR, play_suite, 0 /* flags */);
+ if (ret < 0) {
+ PARA_EMERG_LOG("failed to parse config file: %s\n",
+ para_strerror(-ret));
+ exit(EXIT_FAILURE);
}
- for (i = 0; i < conf.key_map_given; i++) {
- char *kma = conf.key_map_arg[i];
+ loglevel = OPT_UINT32_VAL(LOGLEVEL);
+ num_kmas = OPT_GIVEN(KEY_MAP);
+ for (i = 0; i < num_kmas; i++) {
+ const char *kma = lls_string_val(i, OPT_RESULT(KEY_MAP));
if (*kma && strchr(kma + 1, ':'))
continue;
PARA_EMERG_LOG("invalid key map arg: %s\n", kma);
- goto err;
+ exit(EXIT_FAILURE);
}
- free(config_file);
- return;
-err:
- free(config_file);
- exit(EXIT_FAILURE);
}
-static char get_playback_state(struct play_task *pt)
+static char get_playback_state(void)
{
switch (pt->rq) {
case CRT_NONE: return pt->playing? 'P' : 'U';
assert(false);
};
-static long unsigned get_play_time(struct play_task *pt)
+/* returns number of milliseconds */
+static long unsigned get_play_time(void)
{
- char state = get_playback_state(pt);
+ char state = get_playback_state();
long unsigned result;
if (state != 'P' && state != 'U')
return 0;
if (pt->num_chunks == 0 || pt->seconds == 0)
return 0;
- /* where the stream started (in seconds) */
- result = pt->start_chunk * pt->seconds / pt->num_chunks;
+ /* where the stream started (in milliseconds) */
+ result = 1000ULL * pt->start_chunk * pt->seconds / pt->num_chunks;
if (pt->wn.btrn) { /* Add the uptime of the writer node */
struct timeval diff = {.tv_sec = 0}, wstime;
btr_get_node_start(pt->wn.btrn, &wstime);
if (wstime.tv_sec > 0)
tv_diff(now, &wstime, &diff);
- result += diff.tv_sec;
+ result += tv2ms(&diff);
}
- result = PARA_MIN(result, pt->seconds);
+ result = PARA_MIN(result, pt->seconds * 1000);
result = PARA_MAX(result, 0UL);
return result;
}
-static void wipe_receiver_node(struct play_task *pt)
+static void wipe_receiver_node(void)
{
PARA_NOTICE_LOG("cleaning up receiver node\n");
btr_remove_node(&pt->rn.btrn);
- afh_recv->close(&pt->rn);
- afh_recv->free_config(pt->rn.conf);
+ AFH_RECV->close(&pt->rn);
+ lls_free_parse_result(pt->rn.lpr, AFH_RECV_CMD);
memset(&pt->rn, 0, sizeof(struct receiver_node));
}
/* returns: 0 not eof, 1: eof, < 0: fatal error. */
-static int get_playback_error(struct play_task *pt)
+static int get_playback_error(void)
{
int err;
return 0;
if (task_status(pt->rn.task) >= 0)
return 0;
- if (err == -E_BTR_EOF || err == -E_RECV_EOF || err == -E_EOF
- || err == -E_WRITE_COMMON_EOF)
+ if (err == -E_EOF)
return 1;
return err;
}
-static int eof_cleanup(struct play_task *pt)
+static int eof_cleanup(void)
{
- struct writer *w = writers + DEFAULT_WRITER;
- const struct filter *decoder = filter_get(pt->fn.filter_num);
+ const struct filter *decoder;
+ const struct writer *w = writer_get(-1); /* default writer */
int ret;
- ret = get_playback_error(pt);
+ ret = get_playback_error();
if (ret == 0)
return ret;
PARA_NOTICE_LOG("cleaning up wn/fn nodes\n");
task_reap(&pt->wn.task);
w->close(&pt->wn);
btr_remove_node(&pt->wn.btrn);
- w->free_config(pt->wn.conf);
+ lls_free_parse_result(pt->wn.lpr, WRITE_CMD(pt->wn.wid));
memset(&pt->wn, 0, sizeof(struct writer_node));
+ decoder = filter_get(pt->fn.filter_num);
task_reap(&pt->fn.task);
if (decoder->close)
decoder->close(&pt->fn);
btr_remove_node(&pt->fn.btrn);
+ lls_free_parse_result(pt->fn.lpr, FILTER_CMD(pt->fn.filter_num));
free(pt->fn.conf);
memset(&pt->fn, 0, sizeof(struct filter_node));
* paused.
*/
if (ret < 0)
- wipe_receiver_node(pt);
+ wipe_receiver_node();
return ret;
}
return para_random(100) - 50;
}
-static void shuffle(char **base, size_t num)
+static void init_shuffle_map(void)
{
+ unsigned n, num_inputs = lls_num_inputs(play_lpr);
+ shuffle_map = arr_alloc(num_inputs, sizeof(unsigned));
+ for (n = 0; n < num_inputs; n++)
+ shuffle_map[n] = n;
+ if (!OPT_GIVEN(RANDOMIZE))
+ return;
srandom(time(NULL));
- qsort(base, num, sizeof(char *), shuffle_compare);
+ qsort(shuffle_map, num_inputs, sizeof(unsigned), shuffle_compare);
}
static struct btr_node *new_recv_btrn(struct receiver_node *rn)
{
return btr_new_node(&(struct btr_node_description)
- EMBRACE(.name = afh_recv->name, .context = rn,
- .handler = afh_recv->execute));
+ EMBRACE(.name = lls_command_name(AFH_RECV_CMD), .context = rn,
+ .handler = AFH_RECV->execute));
}
-static int open_new_file(struct play_task *pt)
+static int open_new_file(void)
{
int ret;
- char *tmp, *path = conf.inputs[pt->next_file], *afh_recv_conf[] =
- {"play", "-f", path, "-b", "0", NULL};
+ const char *path = get_playlist_file(pt->next_file);
+ char *tmp = para_strdup(path), *errctx;
+ char *argv[] = {"play", "-f", tmp, "-b", "0", NULL};
PARA_NOTICE_LOG("next file: %s\n", path);
- wipe_receiver_node(pt);
+ wipe_receiver_node();
pt->start_chunk = 0;
pt->rn.btrn = new_recv_btrn(&pt->rn);
- pt->rn.conf = afh_recv->parse_config(ARRAY_SIZE(afh_recv_conf) - 1,
- afh_recv_conf);
- assert(pt->rn.conf);
- pt->rn.receiver = afh_recv;
- ret = afh_recv->open(&pt->rn);
+ ret = lls(lls_parse(ARRAY_SIZE(argv) - 1, argv, AFH_RECV_CMD,
+ &pt->rn.lpr, &errctx));
+ free(tmp);
+ assert(ret >= 0);
+ pt->rn.receiver = AFH_RECV;
+ ret = AFH_RECV->open(&pt->rn);
if (ret < 0) {
PARA_ERROR_LOG("could not open %s\n", path);
goto fail;
}
return 1;
fail:
- wipe_receiver_node(pt);
+ wipe_receiver_node();
return ret;
}
-static int load_file(struct play_task *pt)
+static int load_file(void)
{
const char *af;
char *tmp, buf[20];
int ret;
const struct filter *decoder;
+ static struct lls_parse_result *filter_lpr, *writer_lpr;
btr_remove_node(&pt->rn.btrn);
if (!pt->rn.receiver || pt->next_file != pt->current_file) {
- ret = open_new_file(pt);
+ ret = open_new_file();
if (ret < 0)
return ret;
} else {
/* set up decoding filter */
af = audio_format_name(pt->audio_format_num);
tmp = make_message("%sdec", af);
- PARA_INFO_LOG("decoder: %s\n", tmp);
- ret = check_filter_arg(tmp, &pt->fn.conf);
+ ret = filter_setup(tmp, &pt->fn.conf, &filter_lpr);
freep(&tmp);
if (ret < 0)
goto fail;
pt->fn.filter_num = ret;
+ pt->fn.lpr = filter_lpr;
decoder = filter_get(ret);
pt->fn.btrn = btr_new_node(&(struct btr_node_description)
- EMBRACE(.name = decoder->name, .parent = pt->rn.btrn,
- .handler = decoder->execute, .context = &pt->fn));
+ EMBRACE(.name = filter_name(pt->fn.filter_num),
+ .parent = pt->rn.btrn, .handler = decoder->execute,
+ .context = &pt->fn));
if (decoder->open)
decoder->open(&pt->fn);
PARA_INFO_LOG("buffer tree:\n");
btr_log_tree(pt->rn.btrn, LL_INFO);
/* setup default writer */
- pt->wn.conf = check_writer_arg_or_die(NULL, &pt->wn.writer_num);
-
+ pt->wn.wid = check_writer_arg_or_die(NULL, &writer_lpr);
+ pt->wn.lpr = writer_lpr;
/* success, register tasks */
pt->rn.task = task_register(
&(struct task_info) {
- .name = afh_recv->name,
- .pre_select = afh_recv->pre_select,
- .post_select = afh_recv->post_select,
+ .name = lls_command_name(AFH_RECV_CMD),
+ .pre_monitor = AFH_RECV->pre_monitor,
+ .post_monitor = AFH_RECV->post_monitor,
.context = &pt->rn
}, &sched);
sprintf(buf, "%s decoder", af);
pt->fn.task = task_register(
&(struct task_info) {
.name = buf,
- .pre_select = decoder->pre_select,
- .post_select = decoder->post_select,
+ .pre_monitor = decoder->pre_monitor,
+ .post_monitor = decoder->post_monitor,
.context = &pt->fn
}, &sched);
register_writer_node(&pt->wn, pt->fn.btrn, &sched);
return 1;
fail:
- wipe_receiver_node(pt);
+ wipe_receiver_node();
return ret;
}
-static int next_valid_file(struct play_task *pt)
+static int next_valid_file(void)
{
int i, j = pt->current_file;
+ unsigned num_inputs = lls_num_inputs(play_lpr);
- FOR_EACH_PLAYLIST_FILE(i) {
- j = (j + 1) % conf.inputs_num;
+ if (j == num_inputs - 1) {
+ switch (OPT_UINT32_VAL(END_OF_PLAYLIST)) {
+ case EOP_LOOP: break;
+ case EOP_STOP:
+ pt->playing = false;
+ return 0;
+ case EOP_QUIT: return -E_EOP;
+ }
+ }
+ for (i = 0; i < num_inputs; i++) {
+ j = (j + 1) % num_inputs;
if (!pt->invalid[j])
return j;
}
return -E_NO_VALID_FILES;
}
-static int load_next_file(struct play_task *pt)
+static int load_next_file(void)
{
int ret;
again:
if (pt->rq == CRT_NONE) {
pt->start_chunk = 0;
- ret = next_valid_file(pt);
+ ret = next_valid_file();
if (ret < 0)
return ret;
pt->next_file = ret;
} else if (pt->rq == CRT_REPOS)
pt->next_file = pt->current_file;
- ret = load_file(pt);
+ ret = load_file();
if (ret < 0) {
PARA_ERROR_LOG("%s: marking file as invalid\n",
para_strerror(-ret));
return ret;
}
-static void kill_stream(struct play_task *pt)
+static void kill_stream(void)
{
if (pt->wn.task)
task_notify(pt->wn.task, E_EOF);
#ifdef HAVE_READLINE
/* only called from com_prev(), nec. only if we have readline */
-static int previous_valid_file(struct play_task *pt)
+static int previous_valid_file(void)
{
int i, j = pt->current_file;
+ unsigned num_inputs = lls_num_inputs(play_lpr);
- FOR_EACH_PLAYLIST_FILE(i) {
+ for (i = 0; i < num_inputs; i++) {
j--;
if (j < 0)
- j = conf.inputs_num - 1;
+ j = num_inputs - 1;
if (!pt->invalid[j])
return j;
}
static const char *default_commands[] = {INTERNAL_KEYMAP_ENTRIES};
#undef KEYMAP_ENTRY
#define NUM_INTERNALLY_MAPPED_KEYS ARRAY_SIZE(default_commands)
-#define NUM_MAPPED_KEYS (NUM_INTERNALLY_MAPPED_KEYS + conf.key_map_given)
+#define NUM_MAPPED_KEYS (NUM_INTERNALLY_MAPPED_KEYS + OPT_GIVEN(KEY_MAP))
#define FOR_EACH_MAPPED_KEY(i) for (i = 0; i < NUM_MAPPED_KEYS; i++)
static inline bool is_internal_key(int key)
get_internal_key_map_idx(key) : get_user_key_map_idx(key);
}
-static inline char *get_user_key_map_arg(int key)
+static inline const char *get_user_key_map_arg(int key)
{
- return conf.key_map_arg[get_user_key_map_idx(key)];
+ return lls_string_val(get_user_key_map_idx(key), OPT_RESULT(KEY_MAP));
}
static inline char *get_internal_key_map_seq(int key)
if (!p)
return NULL;
len = p - kma;
- result = para_malloc(len + 1);
+ result = alloc(len + 1);
memcpy(result, kma, len);
result[len] = '\0';
return result;
if (len == 1 && isprint(*seq))
return seq;
- sseq = para_malloc(2 + 2 * len + 1);
+ sseq = alloc(2 + 2 * len + 1);
sseq[0] = '0';
sseq[1] = 'x';
for (n = 0; n < len; n++) {
char **result;
int i;
- result = para_malloc((NUM_MAPPED_KEYS + 1) * sizeof(char *));
+ result = arr_alloc(NUM_MAPPED_KEYS + 1, sizeof(char *));
FOR_EACH_MAPPED_KEY(i) {
char *seq = get_key_map_seq(i);
result[i] = seq;
return result;
}
-#include "play.command_list.h"
-
-typedef int play_command_handler_t(struct play_task *, int, char**);
-static play_command_handler_t PLAY_COMMAND_HANDLERS;
-
-/* defines one command of para_play */
-struct pp_command {
- const char *name;
- play_command_handler_t *handler;
- const char *description;
- const char *usage;
- const char *help;
-};
-
-static struct pp_command pp_cmds[] = {DEFINE_PLAY_CMD_ARRAY};
-#define FOR_EACH_COMMAND(c) for (c = 0; pp_cmds[c].name; c++)
-
static struct i9e_completer pp_completers[];
I9E_DUMMY_COMPLETER(jmp);
I9E_DUMMY_COMPLETER(info);
I9E_DUMMY_COMPLETER(play);
I9E_DUMMY_COMPLETER(pause);
-I9E_DUMMY_COMPLETER(stop);
I9E_DUMMY_COMPLETER(tasks);
I9E_DUMMY_COMPLETER(quit);
I9E_DUMMY_COMPLETER(ff);
static void help_completer(struct i9e_completion_info *ci,
- struct i9e_completion_result *result)
+ struct i9e_completion_result *cr)
{
- result->matches = i9e_complete_commands(ci->word, pp_completers);
+ char *opts[] = {LSG_PLAY_CMD_HELP_OPTS, NULL};
+
+ if (ci->word[0] == '-') {
+ i9e_complete_option(opts, ci, cr);
+ return;
+ }
+ cr->matches = i9e_complete_commands(ci->word, pp_completers);
}
-I9E_DUMMY_COMPLETER(SUPERCOMMAND_UNAVAILABLE);
static struct i9e_completer pp_completers[] = {
#define LSG_PLAY_CMD_CMD(_name) {.name = #_name, \
.completer = _name ## _completer}
{.name = NULL}
};
-static void attach_stdout(struct play_task *pt, const char *name)
+static void attach_stdout(const char *name)
{
if (pt->btrn)
return;
i9e_attach_to_stdout(pt->btrn);
}
-static void detach_stdout(struct play_task *pt)
+static void detach_stdout(void)
{
btr_remove_node(&pt->btrn);
}
-static int com_quit(struct play_task *pt, int argc, __a_unused char **argv)
+#define EXPORT_PLAY_CMD_HANDLER(_cmd) \
+ const struct play_command_info lsg_play_cmd_com_ ## _cmd ## _user_data = { \
+ .handler = com_ ## _cmd \
+ };
+
+static int com_quit(__a_unused struct lls_parse_result *lpr)
{
- if (argc != 1)
- return -E_PLAY_SYNTAX;
pt->rq = CRT_TERM_RQ;
return 0;
}
+EXPORT_PLAY_CMD_HANDLER(quit);
-static int com_help(struct play_task *pt, struct lls_parse_result *lpr)
+static int com_help(struct lls_parse_result *lpr)
{
- int i, ret;
- char *buf, *errctx;
+ int i;
+ char *buf;
size_t sz;
- const struct lls_command *cmd;
+ unsigned n;
+ const struct lls_opt_result *r =
+ lls_opt_result(LSG_PLAY_CMD_HELP_OPT_LONG, lpr);
+ bool long_help = lls_opt_given(r);
- ret = lls(lls_check_arg_count(lpr, 0, 1, &errctx));
- if (ret < 0) {
- if (errctx)
- PARA_ERROR_LOG("%s\n", errctx);
- free(errctx);
- return ret;
- }
- if (lls_num_inputs(lpr) == 0) {
- if (pt->background) {
- for (i = 1; (cmd = lls_cmd(i, play_cmd_suite)); i++) {
- sz = xasprintf(&buf, "%s\t%s\n",
- lls_command_name(cmd), lls_purpose(cmd));
- btr_add_output(buf, sz, pt->btrn);
- }
- FOR_EACH_COMMAND(i) {
- sz = xasprintf(&buf, "%s\t%s\n", pp_cmds[i].name,
- pp_cmds[i].description);
- btr_add_output(buf, sz, pt->btrn);
- }
- return 0;
- }
+ if (!pt->background) {
FOR_EACH_MAPPED_KEY(i) {
bool internal = is_internal_key(i);
int idx = get_key_map_idx(i);
}
return 0;
}
- ret = lls(lls_lookup_subcmd(lls_input(0, lpr), play_cmd_suite,
- &errctx));
- if (ret < 0) {
- if (errctx)
- PARA_ERROR_LOG("%s\n", errctx);
- free(errctx);
- return ret;
- }
- cmd = lls_cmd(ret, play_cmd_suite);
- buf = lls_long_help(cmd);
- assert(buf);
- btr_add_output(buf, strlen(buf), pt->btrn);
+ lsu_com_help(long_help, lpr, play_cmd_suite, NULL, &buf, &n);
+ btr_add_output(buf, n, pt->btrn);
return 0;
}
EXPORT_PLAY_CMD_HANDLER(help);
-static int com_info(struct play_task *pt, int argc, __a_unused char **argv)
+static int com_info(__a_unused struct lls_parse_result *lpr)
{
char *buf;
size_t sz;
static char dflt[] = "[no information available]";
- if (argc != 1)
- return -E_PLAY_SYNTAX;
sz = xasprintf(&buf, "playlist_pos: %u\npath: %s\n",
- pt->current_file, conf.inputs[pt->current_file]);
+ pt->current_file, get_playlist_file(pt->current_file));
btr_add_output(buf, sz, pt->btrn);
buf = pt->afhi_txt? pt->afhi_txt : dflt;
btr_add_output_dont_free(buf, strlen(buf), pt->btrn);
return 0;
}
+EXPORT_PLAY_CMD_HANDLER(info);
-static void list_file(struct play_task *pt, int num)
+static void list_file(int num)
{
char *buf;
size_t sz;
sz = xasprintf(&buf, "%s %4d %s\n", num == pt->current_file?
- "*" : " ", num, conf.inputs[num]);
+ "*" : " ", num, get_playlist_file(num));
btr_add_output(buf, sz, pt->btrn);
}
-static int com_tasks(struct play_task *pt, int argc, __a_unused char **argv)
+static int com_tasks(__a_unused struct lls_parse_result *lpr)
{
static char state;
char *buf;
size_t sz;
- if (argc != 1)
- return -E_PLAY_SYNTAX;
-
buf = get_task_list(&sched);
btr_add_output(buf, strlen(buf), pt->btrn);
- state = get_playback_state(pt);
+ state = get_playback_state();
sz = xasprintf(&buf, "state: %c\n", state);
btr_add_output(buf, sz, pt->btrn);
return 0;
}
+EXPORT_PLAY_CMD_HANDLER(tasks);
-static int com_ls(struct play_task *pt, int argc, char **argv)
+static int com_ls(__a_unused struct lls_parse_result *lpr)
{
- int i, j, ret;
+ int i;
+ unsigned num_inputs = lls_num_inputs(play_lpr);
- if (argc == 1) {
- FOR_EACH_PLAYLIST_FILE(i)
- list_file(pt, i);
- return 0;
- }
- for (j = 1; j < argc; j++) {
- FOR_EACH_PLAYLIST_FILE(i) {
- ret = fnmatch(argv[j], conf.inputs[i], 0);
- if (ret == 0) /* match */
- list_file(pt, i);
- }
- }
+ for (i = 0; i < num_inputs; i++)
+ list_file(i);
return 0;
}
+EXPORT_PLAY_CMD_HANDLER(ls);
-static int com_play(struct play_task *pt, int argc, char **argv)
+static int com_play(struct lls_parse_result *lpr)
{
int32_t x;
int ret;
- char state;
+ char state, *errctx;
- if (argc > 2)
- return -E_PLAY_SYNTAX;
- state = get_playback_state(pt);
- if (argc == 1) {
+ ret = lls(lls_check_arg_count(lpr, 0, 1, &errctx));
+ if (ret < 0) {
+ if (errctx)
+ PARA_ERROR_LOG("%s\n", errctx);
+ free(errctx);
+ return ret;
+ }
+ state = get_playback_state();
+ if (lls_num_inputs(lpr) == 0) {
if (state == 'P')
return 0;
pt->next_file = pt->current_file;
pt->playing = true;
return 0;
}
- ret = para_atoi32(argv[1], &x);
+ ret = para_atoi32(lls_input(0, lpr), &x);
if (ret < 0)
return ret;
- if (x < 0 || x >= conf.inputs_num)
+ if (x < 0 || x >= lls_num_inputs(play_lpr))
return -ERRNO_TO_PARA_ERROR(EINVAL);
- kill_stream(pt);
+ kill_stream();
pt->next_file = x;
pt->rq = CRT_FILE_CHANGE;
return 0;
}
+EXPORT_PLAY_CMD_HANDLER(play);
-static int com_pause(struct play_task *pt, int argc, __a_unused char **argv)
+static int com_pause(__a_unused struct lls_parse_result *lpr)
{
char state;
- long unsigned seconds, ss;
+ uint64_t ms;
+ unsigned long cn; /* chunk num */
- if (argc != 1)
- return -E_PLAY_SYNTAX;
- state = get_playback_state(pt);
+ state = get_playback_state();
pt->playing = false;
if (state != 'P')
return 0;
- seconds = get_play_time(pt);
+ ms = get_play_time();
pt->playing = false;
- ss = 0;
+ cn = 0;
if (pt->seconds > 0)
- ss = seconds * pt->num_chunks / pt->seconds + 1;
- ss = PARA_MAX(ss, 0UL);
- ss = PARA_MIN(ss, pt->num_chunks);
- pt->start_chunk = ss;
- kill_stream(pt);
+ cn = ms * pt->num_chunks / pt->seconds / 1000 + 1;
+ cn = PARA_MIN(cn, pt->num_chunks);
+ pt->start_chunk = cn;
+ pt->rq = CRT_REPOS;
+ kill_stream();
return 0;
}
+EXPORT_PLAY_CMD_HANDLER(pause);
-static int com_prev(struct play_task *pt,
- __a_unused struct lls_parse_result *lpr)
+static int com_prev(__a_unused struct lls_parse_result *lpr)
{
int ret;
- ret = previous_valid_file(pt);
+ ret = previous_valid_file();
if (ret < 0)
return ret;
- kill_stream(pt);
+ kill_stream();
pt->next_file = ret;
pt->rq = CRT_FILE_CHANGE;
pt->start_chunk = 0;
}
EXPORT_PLAY_CMD_HANDLER(prev);
-static int com_next(struct play_task *pt,
- __a_unused struct lls_parse_result *lpr)
+static int com_next(__a_unused struct lls_parse_result *lpr)
{
int ret;
- ret = next_valid_file(pt);
+ ret = next_valid_file();
if (ret < 0)
return ret;
- kill_stream(pt);
+ kill_stream();
pt->next_file = ret;
pt->rq = CRT_FILE_CHANGE;
pt->start_chunk = 0;
}
EXPORT_PLAY_CMD_HANDLER(next);
-static int com_fg(struct play_task *pt,
- __a_unused struct lls_parse_result *lpr)
+static int com_fg(__a_unused struct lls_parse_result *lpr)
{
pt->background = false;
return 0;
}
EXPORT_PLAY_CMD_HANDLER(fg);
-static int com_bg(struct play_task *pt, int argc, __a_unused char **argv)
+static int com_bg(__a_unused struct lls_parse_result *lpr)
{
- if (argc != 1)
- return -E_PLAY_SYNTAX;
pt->background = true;
return 0;
}
+EXPORT_PLAY_CMD_HANDLER(bg);
-static int com_jmp(struct play_task *pt, int argc, char **argv)
+static int com_jmp(struct lls_parse_result *lpr)
{
int32_t percent;
int ret;
+ char *errctx;
- if (argc != 2)
- return -E_PLAY_SYNTAX;
- ret = para_atoi32(argv[1], &percent);
+ ret = lls(lls_check_arg_count(lpr, 1, 1, &errctx));
+ if (ret < 0) {
+ if (errctx)
+ PARA_ERROR_LOG("%s\n", errctx);
+ free(errctx);
+ return ret;
+ }
+ ret = para_atoi32(lls_input(0, lpr), &percent);
if (ret < 0)
return ret;
if (percent < 0 || percent > 100)
return -ERRNO_TO_PARA_ERROR(EINVAL);
if (percent == 100)
- return com_next(pt, NULL);
+ return com_next(NULL);
if (pt->playing && !pt->fn.btrn)
return 0;
pt->start_chunk = percent * pt->num_chunks / 100;
if (!pt->playing)
return 0;
pt->rq = CRT_REPOS;
- kill_stream(pt);
+ kill_stream();
return 0;
}
+EXPORT_PLAY_CMD_HANDLER(jmp);
-static int com_ff(struct play_task *pt, int argc, char **argv)
+static int com_ff(struct lls_parse_result *lpr)
{
int32_t seconds;
+ char *errctx;
int ret;
- if (argc != 2)
- return -E_PLAY_SYNTAX;
- ret = para_atoi32(argv[1], &seconds);
+ ret = lls(lls_check_arg_count(lpr, 1, 1, &errctx));
+ if (ret < 0) {
+ if (errctx)
+ PARA_ERROR_LOG("%s\n", errctx);
+ free(errctx);
+ return ret;
+ }
+ ret = para_atoi32(lls_input(0, lpr), &seconds);
if (ret < 0)
return ret;
if (pt->playing && !pt->fn.btrn)
return 0;
- seconds += get_play_time(pt);
+ seconds += (get_play_time() + 500) / 1000;
seconds = PARA_MIN(seconds, (typeof(seconds))pt->seconds - 4);
seconds = PARA_MAX(seconds, 0);
pt->start_chunk = pt->num_chunks * seconds / pt->seconds;
if (!pt->playing)
return 0;
pt->rq = CRT_REPOS;
- kill_stream(pt);
+ kill_stream();
return 0;
}
+EXPORT_PLAY_CMD_HANDLER(ff);
-static int run_command(char *line, struct play_task *pt)
+static int run_command(char *line)
{
- int i, ret, argc;
+ int ret, argc;
char **argv = NULL;
char *errctx = NULL;
const struct play_command_info *pci;
struct lls_parse_result *lpr;
const struct lls_command *cmd;
- attach_stdout(pt, __FUNCTION__);
+ attach_stdout(__FUNCTION__);
ret = create_argv(line, " ", &argv);
if (ret < 0)
goto out;
if (ret == 0)
goto out;
argc = ret;
-
ret = lls(lls_lookup_subcmd(argv[0], play_cmd_suite, &errctx));
- if (ret >= 0) {
- cmd = lls_cmd(ret, play_cmd_suite);
- ret = lls(lls_parse(argc, argv, cmd, &lpr, &errctx));
- if (ret < 0)
- goto out;
- pci = lls_user_data(cmd);
- ret = pci->handler(pt, lpr);
- lls_free_parse_result(lpr, cmd);
- } else {
- FOR_EACH_COMMAND(i) {
- if (strcmp(pp_cmds[i].name, argv[0]))
- continue;
- free(errctx);
- errctx = NULL;
- ret = pp_cmds[i].handler(pt, argc, argv);
- break;
- }
- }
+ if (ret < 0)
+ goto out;
+ cmd = lls_cmd(ret, play_cmd_suite);
+ ret = lls(lls_parse(argc, argv, cmd, &lpr, &errctx));
+ if (ret < 0)
+ goto out;
+ pci = lls_user_data(cmd);
+ ret = pci->handler(lpr);
+ lls_free_parse_result(lpr, cmd);
out:
if (errctx)
PARA_ERROR_LOG("%s\n", errctx);
static int play_i9e_line_handler(char *line)
{
- return run_command(line, &play_task);
+ return run_command(line);
}
static int play_i9e_key_handler(int key)
{
- struct play_task *pt = &play_task;
int idx = get_key_map_idx(key);
char *seq = get_key_map_seq(key);
char *cmd = get_key_map_cmd(key);
PARA_NOTICE_LOG("pressed %d: %s key #%d (%s -> %s)\n",
key, internal? "internal" : "user-defined",
idx, seq, cmd);
- run_command(cmd, pt);
+ run_command(cmd);
free(seq);
free(cmd);
pt->next_update = *now;
static void sigint_handler(int sig)
{
- play_task.background = true;
+ pt->background = true;
i9e_signal_dispatch(sig);
}
* stderr. Once the i9e subsystem has been initialized, we switch to the i9e
* log facility.
*/
-static void session_open(struct play_task *pt)
+static void session_open(void)
{
int ret;
char *history_file;
struct sigaction act;
PARA_NOTICE_LOG("\n%s\n", version_text("play"));
- if (conf.history_file_given)
- history_file = para_strdup(conf.history_file_arg);
+ if (OPT_GIVEN(HISTORY_FILE))
+ history_file = para_strdup(OPT_STRING_VAL(HISTORY_FILE));
else {
char *home = para_homedir();
- history_file = make_message("%s/.paraslash/play.history",
- home);
+ char *dot_para = make_message("%s/.paraslash", home);
+
free(home);
+ ret = para_mkdir(dot_para);
+ /* warn, but otherwise ignore mkdir error */
+ if (ret < 0)
+ PARA_WARNING_LOG("Can not create %s: %s\n", dot_para,
+ para_strerror(-ret));
+ history_file = make_message("%s/play.history", dot_para);
+ free(dot_para);
}
ici.history_file = history_file;
ici.loglevel = loglevel;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
sigaction(SIGWINCH, &act, NULL);
- sched.select_function = i9e_select;
+ sched.poll_function = i9e_poll;
ici.bound_keyseqs = get_mapped_keyseqs();
pt->btrn = ici.producer = btr_new_node(&(struct btr_node_description)
exit(EXIT_FAILURE);
}
-static void session_update_time_string(struct play_task *pt, char *str, unsigned len)
+static void session_update_time_string(char *str, unsigned len)
{
if (pt->background)
return;
if (btr_get_input_queue_size(pt->btrn) > 0)
return;
}
- ie9_print_status_bar(str, len);
+ i9e_print_status_bar(str, len);
}
/*
* If we are about to die we must call i9e_close() to reset the terminal.
* However, i9e_close() must be called in *this* context, i.e. from
- * play_task.post_select() rather than from i9e_post_select(), because
+ * play_task.post_monitor() rather than from i9e_post_monitor(), because
* otherwise i9e would access freed memory upon return. So the play task must
* stay alive until the i9e task terminates.
*
* We achieve this by sending a fake SIGTERM signal via i9e_signal_dispatch()
- * and reschedule. In the next iteration, i9e->post_select returns an error and
+ * and reschedule. In the next iteration, i9e->post_monitor returns an error and
* terminates. Subsequent calls to i9e_get_error() then return negative and we
* are allowed to call i9e_close() and terminate as well.
*/
-static int session_post_select(__a_unused struct sched *s, struct play_task *pt)
+static int session_post_monitor(__a_unused struct sched *s)
{
int ret;
if (pt->background)
- detach_stdout(pt);
+ detach_stdout();
else
- attach_stdout(pt, __FUNCTION__);
+ attach_stdout(__FUNCTION__);
ret = i9e_get_error();
if (ret < 0) {
- kill_stream(pt);
+ kill_stream();
i9e_close();
para_log = stderr_log;
free(ici.history_file);
return ret;
}
- if (get_playback_state(pt) == 'X')
+ if (get_playback_state() == 'X')
i9e_signal_dispatch(SIGTERM);
return 0;
}
#else /* HAVE_READLINE */
-static int session_post_select(struct sched *s, struct play_task *pt)
+static int session_post_monitor(struct sched *s)
{
char c;
- if (!FD_ISSET(STDIN_FILENO, &s->rfds))
+ if (!sched_read_ok(STDIN_FILENO, s))
return 0;
if (read(STDIN_FILENO, &c, 1))
do_nothing;
- kill_stream(pt);
+ kill_stream();
return 1;
}
-static void session_open(__a_unused struct play_task *pt)
+static void session_open(void)
{
}
-static void session_update_time_string(__a_unused struct play_task *pt,
- char *str, __a_unused unsigned len)
+static void session_update_time_string(char *str, __a_unused unsigned len)
{
printf("\r%s ", str);
fflush(stdout);
}
#endif /* HAVE_READLINE */
-static void play_pre_select(struct sched *s, void *context)
+static void play_pre_monitor(struct sched *s, __a_unused void *context)
{
- struct play_task *pt = context;
char state;
- para_fd_set(STDIN_FILENO, &s->rfds, &s->max_fileno);
- state = get_playback_state(pt);
+ sched_monitor_readfd(STDIN_FILENO, s);
+ state = get_playback_state();
if (state == 'R' || state == 'F' || state == 'X')
return sched_min_delay(s);
sched_request_barrier_or_min_delay(&pt->next_update, s);
}
-static unsigned get_time_string(struct play_task *pt, char **result)
+static unsigned get_time_string(char **result)
{
int seconds, length;
- char state = get_playback_state(pt);
+ char state = get_playback_state();
/* do not return anything if things are about to change */
if (state != 'P' && state != 'U') {
length = pt->seconds;
if (length == 0)
return xasprintf(result, "0:00 [0:00] (0%%/0:00)");
- seconds = get_play_time(pt);
+ seconds = (get_play_time() + 500) / 1000;
return xasprintf(result, "#%u: %d:%02d [%d:%02d] (%d%%/%d:%02d) %s",
pt->current_file,
seconds / 60,
length? (seconds * 100 + length / 2) / length : 0,
length / 60,
length % 60,
- conf.inputs[pt->current_file]
+ get_playlist_file(pt->current_file)
);
}
-static int play_post_select(struct sched *s, void *context)
+static int play_post_monitor(struct sched *s, __a_unused void *context)
{
- struct play_task *pt = context;
int ret;
- ret = eof_cleanup(pt);
+ ret = eof_cleanup();
if (ret < 0) {
pt->rq = CRT_TERM_RQ;
return 0;
}
- ret = session_post_select(s, pt);
+ ret = session_post_monitor(s);
if (ret < 0)
goto out;
if (!pt->wn.btrn && !pt->fn.btrn) {
- char state = get_playback_state(pt);
+ char state = get_playback_state();
if (state == 'P' || state == 'R' || state == 'F') {
PARA_NOTICE_LOG("state: %c\n", state);
- ret = load_next_file(pt);
+ ret = load_next_file();
if (ret < 0) {
PARA_ERROR_LOG("%s\n", para_strerror(-ret));
pt->rq = CRT_TERM_RQ;
}
if (tv_diff(now, &pt->next_update, NULL) >= 0) {
char *str;
- unsigned len = get_time_string(pt, &str);
+ unsigned len = get_time_string(&str);
struct timeval delay = {.tv_sec = 0, .tv_usec = 100 * 1000};
if (str && len > 0)
- session_update_time_string(pt, str, len);
+ session_update_time_string(str, len);
free(str);
tv_add(now, &delay, &pt->next_update);
}
/**
* The main function of para_play.
*
- * \param argc Standard.
- * \param argv Standard.
+ * \param argc See man page.
+ * \param argv See man page.
+ *
+ * para_play distributes its work by submitting various tasks to the paraslash
+ * scheduler. The receiver, filter and writer tasks, which are used to play an
+ * audio file, require one task each to maintain their underlying buffer tree
+ * node. These tasks only exist when an audio file is playing.
+ *
+ * The i9 task, which is submitted and maintained by the i9e subsystem, reads
+ * an input line and calls the corresponding command handler such as com_stop()
+ * which is implemented in this file. The command handlers typically write a
+ * request to the global play_task structure, whose contents are read and acted
+ * upon by another task, the play task.
*
- * \return \p EXIT_FAILURE or \p EXIT_SUCCESS.
+ * As a rule, playlist handling is performed exclusively in play context, i.e.
+ * in the post-monitor step of the play task, while command handlers are only
+ * called in i9e context.
+ *
+ * \return EXIT_FAILURE or EXIT_SUCCESS.
*/
int main(int argc, char *argv[])
{
int ret;
- struct play_task *pt = &play_task;
-
- /* needed this early to make help work */
- recv_init();
- filter_init();
- writer_init();
-
- sched.default_timeout.tv_sec = 5;
+ unsigned num_inputs;
+ sched.default_timeout = 5000;
parse_config_or_die(argc, argv);
- if (conf.inputs_num == 0)
- print_help_and_die();
- check_afh_receiver_or_die();
-
- session_open(pt);
- if (conf.randomize_given)
- shuffle(conf.inputs, conf.inputs_num);
- pt->invalid = para_calloc(sizeof(*pt->invalid) * conf.inputs_num);
+ session_open();
+ num_inputs = lls_num_inputs(play_lpr);
+ init_shuffle_map();
+ pt->invalid = arr_zalloc(num_inputs, sizeof(*pt->invalid));
pt->rq = CRT_FILE_CHANGE;
- pt->current_file = conf.inputs_num - 1;
pt->playing = true;
pt->task = task_register(&(struct task_info){
.name = "play",
- .pre_select = play_pre_select,
- .post_select = play_post_select,
+ .pre_monitor = play_pre_monitor,
+ .post_monitor = play_post_monitor,
.context = pt,
}, &sched);
ret = schedule(&sched);
projects / paraslash.git / blobdiff