mpv/player/main.c

533 lines
15 KiB
C

/*
* This file is part of mpv.
*
* mpv 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.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <math.h>
#include <assert.h>
#include <string.h>
#include <pthread.h>
#include <signal.h>
#include "config.h"
#include "talloc.h"
#include "misc/dispatch.h"
#include "osdep/io.h"
#include "osdep/terminal.h"
#include "osdep/timer.h"
#include "osdep/main-fn.h"
#include "common/av_log.h"
#include "common/codecs.h"
#include "common/encode.h"
#include "options/m_config.h"
#include "options/m_option.h"
#include "options/m_property.h"
#include "common/common.h"
#include "common/msg.h"
#include "common/msg_control.h"
#include "common/global.h"
#include "options/parse_configfile.h"
#include "options/parse_commandline.h"
#include "common/playlist.h"
#include "options/options.h"
#include "options/path.h"
#include "input/input.h"
#include "audio/decode/dec_audio.h"
#include "audio/out/ao.h"
#include "audio/mixer.h"
#include "demux/demux.h"
#include "stream/stream.h"
#include "sub/osd.h"
#include "video/decode/dec_video.h"
#include "video/out/vo.h"
#include "core.h"
#include "client.h"
#include "command.h"
#include "screenshot.h"
#ifdef _WIN32
#include <windows.h>
#endif
#if HAVE_COCOA
#include "osdep/macosx_events.h"
#endif
#ifndef FULLCONFIG
#define FULLCONFIG "(missing)\n"
#endif
enum exit_reason {
EXIT_NONE,
EXIT_NORMAL,
EXIT_ERROR,
};
const char mp_help_text[] =
"Usage: mpv [options] [url|path/]filename\n"
"\n"
"Basic options:\n"
" --start=<time> seek to given (percent, seconds, or hh:mm:ss) position\n"
" --no-audio do not play sound\n"
" --no-video do not play video\n"
" --fs fullscreen playback\n"
" --sub-file=<file> specify subtitle file to use\n"
" --playlist=<file> specify playlist file\n"
"\n"
" --list-options list all mpv options\n"
"\n";
static const char def_config[] =
"[pseudo-gui]\n"
"terminal=no\n"
"force-window=yes\n"
"idle=once\n"
"screenshot-directory=~~desktop/\n"
"\n"
"[libmpv]\n"
"config=no\n"
"idle=yes\n"
"terminal=no\n"
"input-terminal=no\n"
"osc=no\n"
"ytdl=no\n"
"input-default-bindings=no\n"
"input-vo-keyboard=no\n"
"input-lirc=no\n"
"input-appleremote=no\n"
"input-media-keys=no\n"
"input-app-events=no\n"
"stop-playback-on-init-failure=yes\n"
#if HAVE_ENCODING
"\n"
"[encoding]\n"
"vo=lavc\n"
"ao=lavc\n"
"keep-open=no\n"
"force-window=no\n"
"gapless-audio=yes\n"
"resume-playback=no\n"
"load-scripts=no\n"
"osc=no\n"
"framedrop=no\n"
#endif
;
static pthread_mutex_t terminal_owner_lock = PTHREAD_MUTEX_INITIALIZER;
static struct MPContext *terminal_owner;
static bool cas_terminal_owner(struct MPContext *old, struct MPContext *new)
{
pthread_mutex_lock(&terminal_owner_lock);
bool r = terminal_owner == old;
if (r)
terminal_owner = new;
pthread_mutex_unlock(&terminal_owner_lock);
return r;
}
static void update_logging(struct MPContext *mpctx)
{
mp_msg_update_msglevels(mpctx->global);
if (mpctx->opts->use_terminal && cas_terminal_owner(NULL, mpctx))
terminal_init();
}
void mp_print_version(struct mp_log *log, int always)
{
int v = always ? MSGL_INFO : MSGL_V;
mp_msg(log, v,
"%s (C) 2000-2015 mpv/MPlayer/mplayer2 projects\n built on %s\n",
mpv_version, mpv_builddate);
print_libav_versions(log, v);
mp_msg(log, v, "\n");
// Only in verbose mode.
if (!always) {
mp_msg(log, MSGL_V, "Configuration: " CONFIGURATION "\n");
mp_msg(log, MSGL_V, "List of enabled features: %s\n", FULLCONFIG);
}
}
static void shutdown_clients(struct MPContext *mpctx)
{
while (mpctx->clients && mp_clients_num(mpctx)) {
mp_client_broadcast_event(mpctx, MPV_EVENT_SHUTDOWN, NULL);
mp_dispatch_queue_process(mpctx->dispatch, 0);
mp_wait_events(mpctx, 10000);
}
}
void mp_destroy(struct MPContext *mpctx)
{
#if !defined(__MINGW32__)
mp_uninit_ipc(mpctx->ipc_ctx);
mpctx->ipc_ctx = NULL;
#endif
shutdown_clients(mpctx);
uninit_audio_out(mpctx);
uninit_video_out(mpctx);
#if HAVE_ENCODING
encode_lavc_finish(mpctx->encode_lavc_ctx);
encode_lavc_free(mpctx->encode_lavc_ctx);
#endif
mpctx->encode_lavc_ctx = NULL;
command_uninit(mpctx);
mp_clients_destroy(mpctx);
talloc_free(mpctx->gl_cb_ctx);
mpctx->gl_cb_ctx = NULL;
osd_free(mpctx->osd);
#if HAVE_COCOA
cocoa_set_input_context(NULL);
#endif
if (cas_terminal_owner(mpctx, mpctx)) {
terminal_uninit();
cas_terminal_owner(mpctx, NULL);
}
mp_dispatch_set_wakeup_fn(mpctx->dispatch, NULL, NULL);
mp_input_uninit(mpctx->input);
uninit_libav(mpctx->global);
if (mpctx->autodetach)
pthread_detach(pthread_self());
mp_msg_uninit(mpctx->global);
talloc_free(mpctx);
}
static int prepare_exit_cplayer(struct MPContext *mpctx, enum exit_reason how)
{
int rc = 0;
const char *reason = NULL;
if (how == EXIT_ERROR) {
reason = "Fatal error";
rc = 1;
} else if (how == EXIT_NORMAL) {
if (mpctx->stop_play == PT_QUIT) {
reason = "Quit";
rc = 0;
} else if (mpctx->files_played) {
if (mpctx->files_errored || mpctx->files_broken) {
reason = "Some errors happened";
rc = 3;
} else {
reason = "End of file";
rc = 0;
}
} else if (mpctx->files_broken && !mpctx->files_errored) {
reason = "Errors when loading file";
rc = 2;
} else if (mpctx->files_errored) {
reason = "Interrupted by error";
rc = 2;
} else {
reason = "No files played";
rc = 0;
}
}
if (reason)
MP_INFO(mpctx, "\nExiting... (%s)\n", reason);
if (mpctx->has_quit_custom_rc)
rc = mpctx->quit_custom_rc;
mp_destroy(mpctx);
return rc;
}
static bool handle_help_options(struct MPContext *mpctx)
{
struct MPOpts *opts = mpctx->opts;
struct mp_log *log = mpctx->log;
int opt_exit = 0;
if (opts->audio_decoders && strcmp(opts->audio_decoders, "help") == 0) {
struct mp_decoder_list *list = audio_decoder_list();
mp_print_decoders(log, MSGL_INFO, "Audio decoders:", list);
talloc_free(list);
opt_exit = 1;
}
if (opts->audio_spdif && strcmp(opts->audio_spdif, "help") == 0) {
MP_INFO(mpctx, "Choices: ac3,dts-hd,dts (and possibly more)\n");
opt_exit = 1;
}
if (opts->video_decoders && strcmp(opts->video_decoders, "help") == 0) {
struct mp_decoder_list *list = video_decoder_list();
mp_print_decoders(log, MSGL_INFO, "Video decoders:", list);
talloc_free(list);
opt_exit = 1;
}
if ((opts->demuxer_name && strcmp(opts->demuxer_name, "help") == 0) ||
(opts->audio_demuxer_name && strcmp(opts->audio_demuxer_name, "help") == 0) ||
(opts->sub_demuxer_name && strcmp(opts->sub_demuxer_name, "help") == 0)) {
demuxer_help(log);
MP_INFO(mpctx, "\n");
opt_exit = 1;
}
if (opts->audio_device && strcmp(opts->audio_device, "help") == 0) {
ao_print_devices(mpctx->global, log);
opt_exit = 1;
}
#if HAVE_ENCODING
if (encode_lavc_showhelp(log, opts->encode_opts))
opt_exit = 1;
#endif
return opt_exit;
}
static int cfg_include(void *ctx, char *filename, int flags)
{
struct MPContext *mpctx = ctx;
char *fname = mp_get_user_path(NULL, mpctx->global, filename);
int r = m_config_parse_config_file(mpctx->mconfig, fname, NULL, flags);
talloc_free(fname);
return r;
}
struct MPContext *mp_create(void)
{
mp_time_init();
struct MPContext *mpctx = talloc(NULL, MPContext);
*mpctx = (struct MPContext){
.last_chapter = -2,
.term_osd_contents = talloc_strdup(mpctx, ""),
.osd_progbar = { .type = -1 },
.playlist = talloc_struct(mpctx, struct playlist, {0}),
.dispatch = mp_dispatch_create(mpctx),
.playback_abort = mp_cancel_new(mpctx),
};
mpctx->global = talloc_zero(mpctx, struct mpv_global);
// Nothing must call mp_msg*() and related before this
mp_msg_init(mpctx->global);
mpctx->log = mp_log_new(mpctx, mpctx->global->log, "!cplayer");
mpctx->statusline = mp_log_new(mpctx, mpctx->log, "!statusline");
struct MPOpts *def_opts = talloc_ptrtype(mpctx, def_opts);
*def_opts = mp_default_opts;
def_opts->network_useragent = (char *)mpv_version;
// Create the config context and register the options
mpctx->mconfig = m_config_new(mpctx, mpctx->log, sizeof(struct MPOpts),
def_opts, mp_opts);
mpctx->opts = mpctx->mconfig->optstruct;
mpctx->mconfig->includefunc = cfg_include;
mpctx->mconfig->includefunc_ctx = mpctx;
mpctx->mconfig->use_profiles = true;
mpctx->mconfig->is_toplevel = true;
m_config_parse(mpctx->mconfig, "", bstr0(def_config), NULL, 0);
mpctx->global->opts = mpctx->opts;
mpctx->input = mp_input_init(mpctx->global);
screenshot_init(mpctx);
mpctx->mixer = mixer_init(mpctx, mpctx->global);
command_init(mpctx);
init_libav(mpctx->global);
mp_clients_init(mpctx);
#if HAVE_COCOA
cocoa_set_input_context(mpctx->input);
#endif
return mpctx;
}
void wakeup_playloop(void *ctx)
{
struct MPContext *mpctx = ctx;
mp_input_wakeup(mpctx->input);
}
// Finish mpctx initialization. This must be done after setting up all options.
// Some of the initializations depend on the options, and can't be changed or
// undone later.
// If options is not NULL, apply them as command line player arguments.
// Returns: <0 on error, 0 on success.
int mp_initialize(struct MPContext *mpctx, char **options)
{
struct MPOpts *opts = mpctx->opts;
assert(!mpctx->initialized);
if (options) {
// Preparse the command line, so we can init the terminal early.
m_config_preparse_command_line(mpctx->mconfig, mpctx->global, options);
update_logging(mpctx);
MP_VERBOSE(mpctx, "Command line options:");
for (int i = 0; options[i]; i++)
MP_VERBOSE(mpctx, " '%s'", options[i]);
MP_VERBOSE(mpctx, "\n");
}
update_logging(mpctx);
mp_print_version(mpctx->log, false);
mp_parse_cfgfiles(mpctx);
update_logging(mpctx);
if (options) {
int r = m_config_parse_mp_command_line(mpctx->mconfig, mpctx->playlist,
mpctx->global, options);
if (r < 0)
return r <= M_OPT_EXIT ? -2 : -1;
update_logging(mpctx);
}
if (handle_help_options(mpctx))
return -2;
if (opts->dump_stats && opts->dump_stats[0]) {
if (mp_msg_open_stats_file(mpctx->global, opts->dump_stats) < 0)
MP_ERR(mpctx, "Failed to open stats file '%s'\n", opts->dump_stats);
}
MP_STATS(mpctx, "start init");
if (!mpctx->playlist->first && !opts->player_idle_mode)
return -3;
mp_input_load(mpctx->input);
mp_input_set_cancel(mpctx->input, mpctx->playback_abort);
mp_dispatch_set_wakeup_fn(mpctx->dispatch, wakeup_playloop, mpctx);
#if HAVE_ENCODING
if (opts->encode_opts->file && opts->encode_opts->file[0]) {
mpctx->encode_lavc_ctx = encode_lavc_init(opts->encode_opts,
mpctx->global);
if(!mpctx->encode_lavc_ctx) {
MP_INFO(mpctx, "Encoding initialization failed.");
return -1;
}
m_config_set_profile(mpctx->mconfig, "encoding", 0);
// never use auto
if (!opts->audio_output_channels.num) {
m_config_set_option_ext(mpctx->mconfig, bstr0("audio-channels"),
bstr0("stereo"), M_SETOPT_PRESERVE_CMDLINE);
}
mp_input_enable_section(mpctx->input, "encode", MP_INPUT_EXCLUSIVE);
}
#endif
#if !HAVE_LIBASS
MP_WARN(mpctx, "Compiled without libass.\n");
MP_WARN(mpctx, "There will be no OSD and no text subtitles.\n");
#endif
mpctx->osd = osd_create(mpctx->global);
// From this point on, all mpctx members are initialized.
mpctx->initialized = true;
mp_get_resume_defaults(mpctx);
// Lua user scripts (etc.) can call arbitrary functions. Load them at a point
// where this is safe.
mp_load_scripts(mpctx);
if (opts->consolecontrols && cas_terminal_owner(mpctx, mpctx))
terminal_setup_getch(mpctx->input);
if (opts->force_vo) {
struct vo_extra ex = {
.input_ctx = mpctx->input,
.osd = mpctx->osd,
.encode_lavc_ctx = mpctx->encode_lavc_ctx,
};
mpctx->video_out = init_best_video_out(mpctx->global, &ex);
if (!mpctx->video_out) {
MP_FATAL(mpctx, "Error opening/initializing "
"the selected video_out (-vo) device.\n");
return -1;
}
if (opts->force_vo == 2)
handle_force_window(mpctx, false);
mpctx->mouse_cursor_visible = true;
}
#if !defined(__MINGW32__)
mpctx->ipc_ctx = mp_init_ipc(mpctx->clients, mpctx->global);
#endif
#ifdef _WIN32
if (opts->w32_priority > 0)
SetPriorityClass(GetCurrentProcess(), opts->w32_priority);
#endif
#ifndef _WIN32
// Deal with OpenSSL and GnuTLS not using MSG_NOSIGNAL.
struct sigaction sa = { .sa_handler = SIG_IGN, .sa_flags = SA_RESTART };
sigfillset(&sa.sa_mask);
sigaction(SIGPIPE, &sa, NULL);
#endif
prepare_playlist(mpctx, mpctx->playlist);
MP_STATS(mpctx, "end init");
return 0;
}
int mpv_main(int argc, char *argv[])
{
char *enable_talloc = getenv("MPV_LEAK_REPORT");
if (enable_talloc && strcmp(enable_talloc, "1") == 0)
talloc_enable_leak_report();
struct MPContext *mpctx = mp_create();
struct MPOpts *opts = mpctx->opts;
char *verbose_env = getenv("MPV_VERBOSE");
if (verbose_env)
opts->verbose = atoi(verbose_env);
char **options = argv && argv[0] ? argv + 1 : NULL; // skips program name
int r = mp_initialize(mpctx, options);
if (r == -2) // help
return prepare_exit_cplayer(mpctx, EXIT_NONE);
if (r == -3) { // nothing to play
mp_print_version(mpctx->log, true);
MP_INFO(mpctx, "%s", mp_help_text);
return prepare_exit_cplayer(mpctx, EXIT_NONE);
}
if (r < 0) // another error
return prepare_exit_cplayer(mpctx, EXIT_ERROR);
mp_play_files(mpctx);
return prepare_exit_cplayer(mpctx, EXIT_NORMAL);
}