media_player.c 56.8 KB
Newer Older
Clément Stenac's avatar
Clément Stenac committed
1
/*****************************************************************************
2
 * media_player.c: Libvlc API Media Instance management functions
Clément Stenac's avatar
Clément Stenac committed
3
 *****************************************************************************
4
 * Copyright (C) 2005-2015 VLC authors and VideoLAN
Clément Stenac's avatar
Clément Stenac committed
5
 *
6
 * Authors: Clément Stenac <zorglub@videolan.org>
Clément Stenac's avatar
Clément Stenac committed
7
 *
Jean-Baptiste Kempf's avatar
LGPL  
Jean-Baptiste Kempf committed
8 9 10
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
Clément Stenac's avatar
Clément Stenac committed
11 12 13 14
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Jean-Baptiste Kempf's avatar
LGPL  
Jean-Baptiste Kempf committed
15 16
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
Clément Stenac's avatar
Clément Stenac committed
17
 *
Jean-Baptiste Kempf's avatar
LGPL  
Jean-Baptiste Kempf committed
18 19 20
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
Clément Stenac's avatar
Clément Stenac committed
21 22
 *****************************************************************************/

Geoffroy Couprie's avatar
Geoffroy Couprie committed
23 24 25 26
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

27
#include <assert.h>
28

Clément Stenac's avatar
Clément Stenac committed
29
#include <vlc/libvlc.h>
30 31 32
#include <vlc/libvlc_media.h>
#include <vlc/libvlc_events.h>

Clément Stenac's avatar
Clément Stenac committed
33 34
#include <vlc_demux.h>
#include <vlc_input.h>
35
#include <vlc_vout.h>
Mark Lee's avatar
Mark Lee committed
36
#include <vlc_aout.h>
37
#include <vlc_keys.h>
38 39 40 41

#include "libvlc_internal.h"
#include "media_internal.h" // libvlc_media_set_state()
#include "media_player_internal.h"
Clément Stenac's avatar
Clément Stenac committed
42

43
static int
44 45 46 47 48 49 50 51
input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
                        vlc_value_t oldval, vlc_value_t newval,
                        void * p_userdata );
static int
input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
                        vlc_value_t oldval, vlc_value_t newval,
                        void * p_userdata );
static int
52 53 54 55
input_scrambled_changed( vlc_object_t * p_this, char const * psz_cmd,
                        vlc_value_t oldval, vlc_value_t newval,
                        void * p_userdata );
static int
Laurent Aimar's avatar
Laurent Aimar committed
56
input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
57 58 59
                     vlc_value_t oldval, vlc_value_t newval,
                     void * p_userdata );

60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
static int
input_es_changed( vlc_object_t * p_this, char const * psz_cmd,
                  int action, vlc_value_t *p_val,
                  void *p_userdata);

static int
input_es_selected( vlc_object_t * p_this, char const * psz_cmd,
                   vlc_value_t oldval, vlc_value_t newval,
                   void * p_userdata );

static void
add_es_callbacks( input_thread_t *p_input_thread, libvlc_media_player_t *p_mi );

static void
del_es_callbacks( input_thread_t *p_input_thread, libvlc_media_player_t *p_mi );

76 77 78
static int
snapshot_was_taken( vlc_object_t *p_this, char const *psz_cmd,
                    vlc_value_t oldval, vlc_value_t newval, void *p_data );
79

80
static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi );
81

82 83 84 85 86 87 88
/*
 * Shortcuts
 */

#define register_event(a, b) __register_event(a, libvlc_MediaPlayer ## b)
static inline void __register_event(libvlc_media_player_t *mp, libvlc_event_type_t type)
{
89
    libvlc_event_manager_register_event_type(mp->p_event_manager, type);
90 91
}

92 93 94 95 96 97 98 99 100
/*
 * The input lock protects the input and input resource pointer.
 * It MUST NOT be used from callbacks.
 *
 * The object lock protects the reset, namely the media and the player state.
 * It can, and usually needs to be taken from callbacks.
 * The object lock can be acquired under the input lock... and consequently
 * the opposite order is STRICTLY PROHIBITED.
 */
101 102 103 104 105 106 107 108 109 110
static inline void lock(libvlc_media_player_t *mp)
{
    vlc_mutex_lock(&mp->object_lock);
}

static inline void unlock(libvlc_media_player_t *mp)
{
    vlc_mutex_unlock(&mp->object_lock);
}

111 112 113 114 115 116 117 118 119 120
static inline void lock_input(libvlc_media_player_t *mp)
{
    vlc_mutex_lock(&mp->input.lock);
}

static inline void unlock_input(libvlc_media_player_t *mp)
{
    vlc_mutex_unlock(&mp->input.lock);
}

121
/*
JP Dinger's avatar
JP Dinger committed
122
 * Release the associated input thread.
123 124
 *
 * Object lock is NOT held.
125
 * Input lock is held or instance is being destroyed.
126
 */
127
static void release_input_thread( libvlc_media_player_t *p_mi )
128
{
129
    assert( p_mi );
130

131
    input_thread_t *p_input_thread = p_mi->input.p_thread;
132
    if( !p_input_thread )
133
        return;
134
    p_mi->input.p_thread = NULL;
135

136 137 138 139
    var_DelCallback( p_input_thread, "can-seek",
                     input_seekable_changed, p_mi );
    var_DelCallback( p_input_thread, "can-pause",
                    input_pausable_changed, p_mi );
140 141
    var_DelCallback( p_input_thread, "program-scrambled",
                    input_scrambled_changed, p_mi );
142 143
    var_DelCallback( p_input_thread, "intf-event",
                     input_event_changed, p_mi );
144
    del_es_callbacks( p_input_thread, p_mi );
145 146

    /* We owned this one */
147
    input_Stop( p_input_thread );
148
    input_Close( p_input_thread );
149 150
}

151 152
/*
 * Retrieve the input thread. Be sure to release the object
153
 * once you are done with it. (libvlc Internal)
154
 */
155
input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi )
Clément Stenac's avatar
Clément Stenac committed
156 157 158
{
    input_thread_t *p_input_thread;

159
    assert( p_mi );
160

161 162
    lock_input(p_mi);
    p_input_thread = p_mi->input.p_thread;
163 164
    if( p_input_thread )
        vlc_object_hold( p_input_thread );
165 166
    else
        libvlc_printerr( "No active input" );
167
    unlock_input(p_mi);
168

169 170 171
    return p_input_thread;
}

172 173 174 175 176
/*
 * Set the internal state of the media_player. (media player Internal)
 *
 * Function will lock the media_player.
 */
177 178 179 180 181
static void set_state( libvlc_media_player_t *p_mi, libvlc_state_t state,
    bool b_locked )
{
    if(!b_locked)
        lock(p_mi);
182
    p_mi->state = state;
183

184 185 186
    libvlc_media_t *media = p_mi->p_md;
    if (media)
        libvlc_media_retain(media);
187

188 189
    if(!b_locked)
        unlock(p_mi);
190

191 192
    if (media)
    {
193 194 195
        // Also set the state of the corresponding media
        // This is strictly for convenience.
        libvlc_media_set_state(media, state);
196 197

        libvlc_media_release(media);
198 199 200
    }
}

201
static int
202
input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
203 204 205 206
                        vlc_value_t oldval, vlc_value_t newval,
                        void * p_userdata )
{
    VLC_UNUSED(oldval);
207 208
    VLC_UNUSED(p_this);
    VLC_UNUSED(psz_cmd);
209
    libvlc_media_player_t * p_mi = p_userdata;
210 211
    libvlc_event_t event;

212
    event.type = libvlc_MediaPlayerSeekableChanged;
213
    event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
214 215 216 217 218 219 220 221 222 223 224

    libvlc_event_send( p_mi->p_event_manager, &event );
    return VLC_SUCCESS;
}

static int
input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
                        vlc_value_t oldval, vlc_value_t newval,
                        void * p_userdata )
{
    VLC_UNUSED(oldval);
225 226
    VLC_UNUSED(p_this);
    VLC_UNUSED(psz_cmd);
227
    libvlc_media_player_t * p_mi = p_userdata;
228 229
    libvlc_event_t event;

230
    event.type = libvlc_MediaPlayerPausableChanged;
231
    event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
232 233 234 235 236

    libvlc_event_send( p_mi->p_event_manager, &event );
    return VLC_SUCCESS;
}

237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254
static int
input_scrambled_changed( vlc_object_t * p_this, char const * psz_cmd,
                        vlc_value_t oldval, vlc_value_t newval,
                        void * p_userdata )
{
    VLC_UNUSED(oldval);
    VLC_UNUSED(p_this);
    VLC_UNUSED(psz_cmd);
    libvlc_media_player_t * p_mi = p_userdata;
    libvlc_event_t event;

    event.type = libvlc_MediaPlayerScrambledChanged;
    event.u.media_player_scrambled_changed.new_scrambled = newval.b_bool;

    libvlc_event_send( p_mi->p_event_manager, &event );
    return VLC_SUCCESS;
}

255
static int
Laurent Aimar's avatar
Laurent Aimar committed
256
input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
257 258 259
                     vlc_value_t oldval, vlc_value_t newval,
                     void * p_userdata )
{
260
    VLC_UNUSED(oldval);
Laurent Aimar's avatar
Laurent Aimar committed
261
    input_thread_t * p_input = (input_thread_t *)p_this;
262
    libvlc_media_player_t * p_mi = p_userdata;
Laurent Aimar's avatar
Laurent Aimar committed
263
    libvlc_event_t event;
264

265
    assert( !strcmp( psz_cmd, "intf-event" ) );
266

267 268
    if( newval.i_int == INPUT_EVENT_STATE )
    {
269
        libvlc_state_t libvlc_state;
270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300

        switch ( var_GetInteger( p_input, "state" ) )
        {
            case INIT_S:
                libvlc_state = libvlc_NothingSpecial;
                event.type = libvlc_MediaPlayerNothingSpecial;
                break;
            case OPENING_S:
                libvlc_state = libvlc_Opening;
                event.type = libvlc_MediaPlayerOpening;
                break;
            case PLAYING_S:
                libvlc_state = libvlc_Playing;
                event.type = libvlc_MediaPlayerPlaying;
                break;
            case PAUSE_S:
                libvlc_state = libvlc_Paused;
                event.type = libvlc_MediaPlayerPaused;
                break;
            case END_S:
                libvlc_state = libvlc_Ended;
                event.type = libvlc_MediaPlayerEndReached;
                break;
            case ERROR_S:
                libvlc_state = libvlc_Error;
                event.type = libvlc_MediaPlayerEncounteredError;
                break;

            default:
                return VLC_SUCCESS;
        }
301

302
        set_state( p_mi, libvlc_state, false );
303 304
        libvlc_event_send( p_mi->p_event_manager, &event );
    }
305
    else if( newval.i_int == INPUT_EVENT_DEAD )
306
    {
307
        libvlc_state_t libvlc_state = libvlc_Ended;
308 309
        event.type = libvlc_MediaPlayerStopped;

310
        set_state( p_mi, libvlc_state, false );
311 312
        libvlc_event_send( p_mi->p_event_manager, &event );
    }
313
    else if( newval.i_int == INPUT_EVENT_POSITION )
314 315 316 317 318 319
    {
        if( var_GetInteger( p_input, "state" ) != PLAYING_S )
            return VLC_SUCCESS; /* Don't send the position while stopped */

        /* */
        event.type = libvlc_MediaPlayerPositionChanged;
JP Dinger's avatar
JP Dinger committed
320 321
        event.u.media_player_position_changed.new_position =
                                          var_GetFloat( p_input, "position" );
322 323 324 325
        libvlc_event_send( p_mi->p_event_manager, &event );

        /* */
        event.type = libvlc_MediaPlayerTimeChanged;
JP Dinger's avatar
JP Dinger committed
326
        event.u.media_player_time_changed.new_time =
327
           from_mtime(var_GetInteger( p_input, "time" ));
328 329
        libvlc_event_send( p_mi->p_event_manager, &event );
    }
330 331 332 333
    else if( newval.i_int == INPUT_EVENT_LENGTH )
    {
        event.type = libvlc_MediaPlayerLengthChanged;
        event.u.media_player_length_changed.new_length =
334
           from_mtime(var_GetInteger( p_input, "length" ));
335 336
        libvlc_event_send( p_mi->p_event_manager, &event );
    }
337 338 339 340 341 342 343
    else if( newval.i_int == INPUT_EVENT_CACHE )
    {
        event.type = libvlc_MediaPlayerBuffering;
        event.u.media_player_buffering.new_cache = (int)(100 *
            var_GetFloat( p_input, "cache" ));
        libvlc_event_send( p_mi->p_event_manager, &event );
    }
344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362
    else if( newval.i_int == INPUT_EVENT_VOUT )
    {
        vout_thread_t **pp_vout;
        size_t i_vout;
        if( input_Control( p_input, INPUT_GET_VOUTS, &pp_vout, &i_vout ) )
        {
            i_vout  = 0;
        }
        else
        {
            for( size_t i = 0; i < i_vout; i++ )
                vlc_object_release( pp_vout[i] );
            free( pp_vout );
        }

        event.type = libvlc_MediaPlayerVout;
        event.u.media_player_vout.new_count = i_vout;
        libvlc_event_send( p_mi->p_event_manager, &event );
    }
Laurent Aimar's avatar
Laurent Aimar committed
363

364 365 366
    return VLC_SUCCESS;
}

367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445
static int track_type_from_name(const char *psz_name)
{
   if( !strcmp( psz_name, "video-es" ) )
       return libvlc_track_video;
    else if( !strcmp( psz_name, "audio-es" ) )
        return libvlc_track_audio;
    else if( !strcmp( psz_name, "spu-es" ) )
        return libvlc_track_text;
    else
        return libvlc_track_unknown;
}

static int input_es_changed( vlc_object_t *p_this,
                             char const *psz_cmd,
                             int action,
                             vlc_value_t *p_val,
                             void *p_userdata )
{
    VLC_UNUSED(p_this);
    libvlc_media_player_t *mp = p_userdata;
    libvlc_event_t event;

    /* Ignore the "Disable" element */
    if (p_val && p_val->i_int < 0)
        return VLC_EGENERIC;

    switch (action)
    {
    case VLC_VAR_ADDCHOICE:
        event.type = libvlc_MediaPlayerESAdded;
        break;
    case VLC_VAR_DELCHOICE:
    case VLC_VAR_CLEARCHOICES:
        event.type = libvlc_MediaPlayerESDeleted;
        break;
    default:
        return VLC_EGENERIC;
    }

    event.u.media_player_es_changed.i_type = track_type_from_name(psz_cmd);

    int i_id;
    if (action != VLC_VAR_CLEARCHOICES)
    {
        if (!p_val)
            return VLC_EGENERIC;
        i_id = p_val->i_int;
    }
    else
    {
        /* -1 means all ES tracks of this type were deleted. */
        i_id = -1;
    }
    event.u.media_player_es_changed.i_id = i_id;

    libvlc_event_send(mp->p_event_manager, &event);

    return VLC_SUCCESS;
}

static int
input_es_selected( vlc_object_t * p_this, char const * psz_cmd,
                   vlc_value_t oldval, vlc_value_t newval,
                   void * p_userdata )
{
    VLC_UNUSED(p_this);
    VLC_UNUSED(oldval);
    libvlc_media_player_t *mp = p_userdata;
    libvlc_event_t event;

    event.type = libvlc_MediaPlayerESSelected;
    event.u.media_player_es_changed.i_type = track_type_from_name(psz_cmd);
    event.u.media_player_es_changed.i_id = newval.i_int;

    libvlc_event_send(mp->p_event_manager, &event);

    return VLC_SUCCESS;
}

446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464
/**************************************************************************
 * Snapshot Taken Event.
 *
 * FIXME: This snapshot API interface makes no sense in media_player.
 *************************************************************************/
static int snapshot_was_taken(vlc_object_t *p_this, char const *psz_cmd,
                              vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);

    libvlc_media_player_t *mp = p_data;
    libvlc_event_t event;
    event.type = libvlc_MediaPlayerSnapshotTaken;
    event.u.media_player_snapshot_taken.psz_filename = newval.psz_string;
    libvlc_event_send(mp->p_event_manager, &event);

    return VLC_SUCCESS;
}

465
/**************************************************************************
JP Dinger's avatar
JP Dinger committed
466 467 468 469 470 471 472 473 474 475 476 477
 * Create a Media Instance object.
 *
 * Refcount strategy:
 * - All items created by _new start with a refcount set to 1.
 * - Accessor _release decrease the refcount by 1, if after that
 *   operation the refcount is 0, the object is destroyed.
 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
 *
 * Object locking strategy:
 * - No lock held while in constructor.
 * - When accessing any member variable this lock is held. (XXX who locks?)
 * - When attempting to destroy the object the lock is also held.
478
 **************************************************************************/
479
libvlc_media_player_t *
Rémi Denis-Courmont's avatar
good  
Rémi Denis-Courmont committed
480
libvlc_media_player_new( libvlc_instance_t *instance )
481
{
482
    libvlc_media_player_t * mp;
483

484
    assert(instance);
485

486 487
    mp = vlc_object_create (instance->p_libvlc_int, sizeof(*mp));
    if (unlikely(mp == NULL))
488
    {
489
        libvlc_printerr("Not enough memory");
490 491
        return NULL;
    }
492

493 494 495
    /* Input */
    var_Create (mp, "rate", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT);

496
    /* Video */
497
    var_Create (mp, "vout", VLC_VAR_STRING|VLC_VAR_DOINHERIT);
498
    var_Create (mp, "window", VLC_VAR_STRING);
499 500 501 502
    var_Create (mp, "vmem-lock", VLC_VAR_ADDRESS);
    var_Create (mp, "vmem-unlock", VLC_VAR_ADDRESS);
    var_Create (mp, "vmem-display", VLC_VAR_ADDRESS);
    var_Create (mp, "vmem-data", VLC_VAR_ADDRESS);
503 504
    var_Create (mp, "vmem-setup", VLC_VAR_ADDRESS);
    var_Create (mp, "vmem-cleanup", VLC_VAR_ADDRESS);
505 506 507
    var_Create (mp, "vmem-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
    var_Create (mp, "vmem-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "vmem-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
508
    var_Create (mp, "vmem-pitch", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
509
    var_Create (mp, "avcodec-hw", VLC_VAR_STRING);
510
    var_Create (mp, "drawable-xid", VLC_VAR_INTEGER);
511
#if defined (_WIN32) || defined (__OS2__)
512
    var_Create (mp, "drawable-hwnd", VLC_VAR_INTEGER);
513 514 515 516 517
#endif
#ifdef __APPLE__
    var_Create (mp, "drawable-agl", VLC_VAR_INTEGER);
    var_Create (mp, "drawable-nsobject", VLC_VAR_ADDRESS);
#endif
518 519 520 521
#ifdef __ANDROID__
    var_Create (mp, "android-jvm", VLC_VAR_ADDRESS);
    var_Create (mp, "drawable-androidwindow", VLC_VAR_ADDRESS);
#endif
522 523 524 525

    var_Create (mp, "keyboard-events", VLC_VAR_BOOL);
    var_SetBool (mp, "keyboard-events", true);
    var_Create (mp, "mouse-events", VLC_VAR_BOOL);
526
    var_SetBool (mp, "mouse-events", true);
527

528
    var_Create (mp, "fullscreen", VLC_VAR_BOOL);
529 530
    var_Create (mp, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT);
    var_Create (mp, "zoom", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
531 532 533 534
    var_Create (mp, "aspect-ratio", VLC_VAR_STRING);
    var_Create (mp, "crop", VLC_VAR_STRING);
    var_Create (mp, "deinterlace", VLC_VAR_INTEGER);
    var_Create (mp, "deinterlace-mode", VLC_VAR_STRING);
535

536 537
    var_Create (mp, "vbi-page", VLC_VAR_INTEGER);
    var_SetInteger (mp, "vbi-page", 100);
538

539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556
    var_Create (mp, "marq-marquee", VLC_VAR_STRING);
    var_Create (mp, "marq-color", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "marq-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "marq-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "marq-refresh", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "marq-size", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "marq-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "marq-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "marq-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);

    var_Create (mp, "logo-file", VLC_VAR_STRING);
    var_Create (mp, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "logo-delay", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "logo-repeat", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "logo-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);

557 558
    var_Create (mp, "contrast", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
    var_Create (mp, "brightness", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
559
    var_Create (mp, "hue", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
560 561 562
    var_Create (mp, "saturation", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
    var_Create (mp, "gamma", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);

563
     /* Audio */
564
    var_Create (mp, "aout", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
565
    var_Create (mp, "mute", VLC_VAR_BOOL);
566
    var_Create (mp, "volume", VLC_VAR_FLOAT);
567
    var_Create (mp, "corks", VLC_VAR_INTEGER);
568
    var_Create (mp, "audio-filter", VLC_VAR_STRING);
569 570
    var_Create (mp, "amem-data", VLC_VAR_ADDRESS);
    var_Create (mp, "amem-setup", VLC_VAR_ADDRESS);
Sébastien Toque's avatar
Sébastien Toque committed
571
    var_Create (mp, "amem-cleanup", VLC_VAR_ADDRESS);
572
    var_Create (mp, "amem-play", VLC_VAR_ADDRESS);
573 574 575 576
    var_Create (mp, "amem-pause", VLC_VAR_ADDRESS);
    var_Create (mp, "amem-resume", VLC_VAR_ADDRESS);
    var_Create (mp, "amem-flush", VLC_VAR_ADDRESS);
    var_Create (mp, "amem-drain", VLC_VAR_ADDRESS);
577 578 579 580
    var_Create (mp, "amem-set-volume", VLC_VAR_ADDRESS);
    var_Create (mp, "amem-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
    var_Create (mp, "amem-rate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
    var_Create (mp, "amem-channels", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
581

582 583 584 585 586
    /* Video Title */
    var_Create (mp, "video-title-show", VLC_VAR_BOOL);
    var_Create (mp, "video-title-position", VLC_VAR_INTEGER);
    var_Create (mp, "video-title-timeout", VLC_VAR_INTEGER);

Mark Lee's avatar
Mark Lee committed
587 588
    /* Equalizer */
    var_Create (mp, "equalizer-preamp", VLC_VAR_FLOAT);
589
    var_Create (mp, "equalizer-vlcfreqs", VLC_VAR_BOOL);
Mark Lee's avatar
Mark Lee committed
590 591
    var_Create (mp, "equalizer-bands", VLC_VAR_STRING);

592
    mp->p_md = NULL;
593
    mp->state = libvlc_NothingSpecial;
594
    mp->p_libvlc_instance = instance;
595
    mp->input.p_thread = NULL;
596 597 598 599 600 601
    mp->input.p_resource = input_resource_New(VLC_OBJECT(mp));
    if (unlikely(mp->input.p_resource == NULL))
    {
        vlc_object_release(mp);
        return NULL;
    }
602 603 604 605
    audio_output_t *aout = input_resource_GetAout(mp->input.p_resource);
    if( aout != NULL )
        input_resource_PutAout(mp->input.p_resource, aout);

606
    vlc_mutex_init (&mp->input.lock);
607
    mp->i_refcount = 1;
608 609
    mp->p_event_manager = libvlc_event_manager_new(mp, instance);
    if (unlikely(mp->p_event_manager == NULL))
610
    {
611
        input_resource_Release(mp->input.p_resource);
612
        vlc_object_release(mp);
613 614
        return NULL;
    }
615
    vlc_mutex_init(&mp->object_lock);
616

617 618 619 620 621 622 623 624 625 626
    register_event(mp, NothingSpecial);
    register_event(mp, Opening);
    register_event(mp, Buffering);
    register_event(mp, Playing);
    register_event(mp, Paused);
    register_event(mp, Stopped);
    register_event(mp, Forward);
    register_event(mp, Backward);
    register_event(mp, EndReached);
    register_event(mp, EncounteredError);
627
    register_event(mp, SeekableChanged);
628 629 630 631 632 633

    register_event(mp, PositionChanged);
    register_event(mp, TimeChanged);
    register_event(mp, LengthChanged);
    register_event(mp, TitleChanged);
    register_event(mp, PausableChanged);
634

635
    register_event(mp, Vout);
636
    register_event(mp, ScrambledChanged);
637 638 639
    register_event(mp, ESAdded);
    register_event(mp, ESDeleted);
    register_event(mp, ESSelected);
640

641
    /* Snapshot initialization */
642
    register_event(mp, SnapshotTaken);
Jean-Paul Saman's avatar
Jean-Paul Saman committed
643

644 645
    register_event(mp, MediaChanged);

646
    /* Attach a var callback to the global object to provide the glue between
647 648 649 650 651 652
     * vout_thread that generates the event and media_player that re-emits it
     * with its own event manager
     *
     * FIXME: It's unclear why we want to put this in public API, and why we
     * want to expose it in such a limiting and ugly way.
     */
653
    var_AddCallback(mp->p_libvlc, "snapshot-file", snapshot_was_taken, mp);
654

655
    libvlc_retain(instance);
656
    return mp;
657 658 659
}

/**************************************************************************
JP Dinger's avatar
JP Dinger committed
660
 * Create a Media Instance object with a media descriptor.
661
 **************************************************************************/
662
libvlc_media_player_t *
Rémi Denis-Courmont's avatar
good  
Rémi Denis-Courmont committed
663
libvlc_media_player_new_from_media( libvlc_media_t * p_md )
664
{
665
    libvlc_media_player_t * p_mi;
666

Rémi Denis-Courmont's avatar
good  
Rémi Denis-Courmont committed
667
    p_mi = libvlc_media_player_new( p_md->p_libvlc_instance );
668
    if( !p_mi )
669 670
        return NULL;

671
    libvlc_media_retain( p_md );
672
    p_mi->p_md = p_md;
673 674 675 676 677

    return p_mi;
}

/**************************************************************************
678
 * Destroy a Media Instance object (libvlc internal)
679
 *
JP Dinger's avatar
JP Dinger committed
680
 * Warning: No lock held here, but hey, this is internal. Caller must lock.
681
 **************************************************************************/
682
static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
683
{
684
    assert( p_mi );
Jean-Paul Saman's avatar
Jean-Paul Saman committed
685

686
    /* Detach Callback from the main libvlc object */
687
    var_DelCallback( p_mi->p_libvlc,
688
                     "snapshot-file", snapshot_was_taken, p_mi );
689

690 691
    /* No need for lock_input() because no other threads knows us anymore */
    if( p_mi->input.p_thread )
692
        release_input_thread(p_mi);
693 694
    input_resource_Terminate( p_mi->input.p_resource );
    input_resource_Release( p_mi->input.p_resource );
695
    vlc_mutex_destroy( &p_mi->input.lock );
696

697
    libvlc_event_manager_release( p_mi->p_event_manager );
698
    libvlc_media_release( p_mi->p_md );
699
    vlc_mutex_destroy( &p_mi->object_lock );
700 701

    libvlc_instance_t *instance = p_mi->p_libvlc_instance;
702
    vlc_object_release( p_mi );
703
    libvlc_release(instance);
704 705 706
}

/**************************************************************************
JP Dinger's avatar
JP Dinger committed
707 708 709
 * Release a Media Instance object.
 *
 * Function does the locking.
710
 **************************************************************************/
711
void libvlc_media_player_release( libvlc_media_player_t *p_mi )
712
{
713
    bool destroy;
714

715
    assert( p_mi );
716
    lock(p_mi);
717
    destroy = !--p_mi->i_refcount;
718
    unlock(p_mi);
719

720 721
    if( destroy )
        libvlc_media_player_destroy( p_mi );
722
}
723

724
/**************************************************************************
JP Dinger's avatar
JP Dinger committed
725 726 727
 * Retain a Media Instance object.
 *
 * Caller must hold the lock.
728
 **************************************************************************/
729
void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
730
{
731
    assert( p_mi );
732

733
    lock(p_mi);
734
    p_mi->i_refcount++;
735
    unlock(p_mi);
736
}
737

738
/**************************************************************************
JP Dinger's avatar
JP Dinger committed
739 740 741
 * Set the Media descriptor associated with the instance.
 *
 * Enter without lock -- function will lock the object.
742
 **************************************************************************/
743 744
void libvlc_media_player_set_media(
                            libvlc_media_player_t *p_mi,
745
                            libvlc_media_t *p_md )
746
{
747
    lock_input(p_mi);
748

749
    release_input_thread( p_mi );
750

751
    lock( p_mi );
752
    set_state( p_mi, libvlc_NothingSpecial, true );
753
    unlock_input( p_mi );
754

755
    libvlc_media_release( p_mi->p_md );
756

757 758 759
    if( !p_md )
    {
        p_mi->p_md = NULL;
760
        unlock(p_mi);
761 762 763
        return; /* It is ok to pass a NULL md */
    }

764
    libvlc_media_retain( p_md );
765
    p_mi->p_md = p_md;
766

767 768 769 770
    /* The policy here is to ignore that we were created using a different
     * libvlc_instance, because we don't really care */
    p_mi->p_libvlc_instance = p_md->p_libvlc_instance;

771
    unlock(p_mi);
772 773 774 775 776 777

    /* Send an event for the newly available media */
    libvlc_event_t event;
    event.type = libvlc_MediaPlayerMediaChanged;
    event.u.media_player_media_changed.new_media = p_md;
    libvlc_event_send( p_mi->p_event_manager, &event );
778

779 780 781
}

/**************************************************************************
JP Dinger's avatar
JP Dinger committed
782
 * Get the Media descriptor associated with the instance.
783
 **************************************************************************/
784
libvlc_media_t *
785
libvlc_media_player_get_media( libvlc_media_player_t *p_mi )
786
{
787
    libvlc_media_t *p_m;
788

789
    lock( p_mi );
790 791
    p_m = p_mi->p_md;
    if( p_m )
792 793 794 795
        libvlc_media_retain( p_m );
    unlock( p_mi );

    return p_m;
796 797
}

798
/**************************************************************************
JP Dinger's avatar
JP Dinger committed
799
 * Get the event Manager.
800 801
 **************************************************************************/
libvlc_event_manager_t *
802
libvlc_media_player_event_manager( libvlc_media_player_t *p_mi )
803 804 805 806
{
    return p_mi->p_event_manager;
}

807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826
static void add_es_callbacks( input_thread_t *p_input_thread, libvlc_media_player_t *p_mi )
{
    var_AddListCallback( p_input_thread, "video-es", input_es_changed, p_mi );
    var_AddListCallback( p_input_thread, "audio-es", input_es_changed, p_mi );
    var_AddListCallback( p_input_thread, "spu-es", input_es_changed, p_mi );
    var_AddCallback( p_input_thread, "video-es", input_es_selected, p_mi );
    var_AddCallback( p_input_thread, "audio-es", input_es_selected, p_mi );
    var_AddCallback( p_input_thread, "spu-es", input_es_selected, p_mi );
}

static void del_es_callbacks( input_thread_t *p_input_thread, libvlc_media_player_t *p_mi )
{
    var_DelListCallback( p_input_thread, "video-es", input_es_changed, p_mi );
    var_DelListCallback( p_input_thread, "audio-es", input_es_changed, p_mi );
    var_DelListCallback( p_input_thread, "spu-es", input_es_changed, p_mi );
    var_DelCallback( p_input_thread, "video-es", input_es_selected, p_mi );
    var_DelCallback( p_input_thread, "audio-es", input_es_selected, p_mi );
    var_DelCallback( p_input_thread, "spu-es", input_es_selected, p_mi );
}

827
/**************************************************************************
JP Dinger's avatar
JP Dinger committed
828
 * Tell media player to start playing.
829
 **************************************************************************/
Rémi Denis-Courmont's avatar
good  
Rémi Denis-Courmont committed
830
int libvlc_media_player_play( libvlc_media_player_t *p_mi )
831
{
832
    lock_input( p_mi );
833

834 835
    input_thread_t *p_input_thread = p_mi->input.p_thread;
    if( p_input_thread )
836
    {
Sam Hocevar's avatar
Sam Hocevar committed
837
        /* A thread already exists, send it a play message */
838
        input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
839
        unlock_input( p_mi );
Rémi Denis-Courmont's avatar
good  
Rémi Denis-Courmont committed
840
        return 0;
841 842
    }

843
    /* Ignore previous exception */
844
    lock(p_mi);
845

846 847
    if( !p_mi->p_md )
    {
848
        unlock(p_mi);
849
        unlock_input( p_mi );
850
        libvlc_printerr( "No associated media descriptor" );
Rémi Denis-Courmont's avatar
good  
Rémi Denis-Courmont committed
851
        return -1;
852 853
    }

854 855 856 857
    p_input_thread = input_Create( p_mi, p_mi->p_md->p_input_item, NULL,
                                   p_mi->input.p_resource );
    unlock(p_mi);
    if( !p_input_thread )
858
    {
859
        unlock_input(p_mi);
Rémi Denis-Courmont's avatar
good  
Rémi Denis-Courmont committed
860 861
        libvlc_printerr( "Not enough memory" );
        return -1;
862
    }
863

864 865
    var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
    var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
866
    var_AddCallback( p_input_thread, "program-scrambled", input_scrambled_changed, p_mi );
Laurent Aimar's avatar
Laurent Aimar committed
867
    var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
868
    add_es_callbacks( p_input_thread, p_mi );
869

870 871
    if( input_Start( p_input_thread ) )
    {
872
        unlock_input(p_mi);
873
        del_es_callbacks( p_input_thread, p_mi );
874 875
        var_DelCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
        var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
876
        var_DelCallback( p_input_thread, "program-scrambled", input_scrambled_changed, p_mi );
877
        var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
878
        input_Close( p_input_thread );
879 880
        libvlc_printerr( "Input initialization failure" );
        return -1;
881
    }
882 883
    p_mi->input.p_thread = p_input_thread;
    unlock_input(p_mi);
Rémi Denis-Courmont's avatar
good  
Rémi Denis-Courmont committed
884
    return 0;
885 886
}

887
void libvlc_media_player_set_pause( libvlc_media_player_t *p_mi, int paused )
888
{
889
    input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi );
890
    if( !p_input_thread )
891 892
        return;

893
    libvlc_state_t state = libvlc_media_player_get_state( p_mi );
894
    if( state == libvlc_Playing || state == libvlc_Buffering )
895
    {
896 897 898 899 900
        if( paused )
        {
            if( libvlc_media_player_can_pause( p_mi ) )
                input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
            else
901
                input_Stop( p_input_thread );
902
        }
903
    }
904
    else
905 906 907 908
    {
        if( !paused )
            input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
    }
909

910
    vlc_object_release( p_input_thread );
911
}
912

913 914 915 916 917 918 919 920 921 922 923
/**************************************************************************
 * Toggle pause.
 **************************************************************************/
void libvlc_media_player_pause( libvlc_media_player_t *p_mi )
{
    libvlc_state_t state = libvlc_media_player_get_state( p_mi );
    bool playing = (state == libvlc_Playing || state == libvlc_Buffering);

    libvlc_media_player_set_pause( p_mi, playing );
}

924
/**************************************************************************
JP Dinger's avatar
JP Dinger committed
925 926 927
 * Tells whether the media player is currently playing.
 *
 * Enter with lock held.
928
 **************************************************************************/
929
int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi )
930
{
931
    libvlc_state_t state = libvlc_media_player_get_state( p_mi );
932
    return (libvlc_Playing == state) || (libvlc_Buffering == state);
933 934
}

935
/**************************************************************************
JP Dinger's avatar
JP Dinger committed
936
 * Stop playing.
937
 **************************************************************************/
938
void libvlc_media_player_stop( libvlc_media_player_t *p_mi )
939
{
940
    lock_input(p_mi);
941
    release_input_thread( p_mi ); /* This will stop the input thread */
942 943 944

    /* Force to go to stopped state, in case we were in Ended, or Error
     * state. */
945
    if( p_mi->state != libvlc_Stopped )
946
    {
947
        set_state( p_mi, libvlc_Stopped, false );
948 949 950

        /* Construct and send the event */
        libvlc_event_t event;
951
        event.type = libvlc_MediaPlayerStopped;
952 953
        libvlc_event_send( p_mi->p_event_manager, &event );
    }
954

955
    input_resource_Terminate( p_mi->input.p_resource );
956
    unlock_input(p_mi);
957 958
}

959 960 961 962 963 964 965 966 967 968 969

void libvlc_video_set_callbacks( libvlc_media_player_t *mp,
    void *(*lock_cb) (void *, void **),
    void (*unlock_cb) (void *, void *, void *const *),
    void (*display_cb) (void *, void *),
    void *opaque )
{
    var_SetAddress( mp, "vmem-lock", lock_cb );
    var_SetAddress( mp, "vmem-unlock", unlock_cb );
    var_SetAddress( mp, "vmem-display", display_cb );
    var_SetAddress( mp, "vmem-data", opaque );
970
    var_SetString( mp, "avcodec-hw", "none" );
971 972
    var_SetString( mp, "vout", "vmem" );
    var_SetString( mp, "window", "none" );
973 974
}

975 976 977 978 979 980 981 982
void libvlc_video_set_format_callbacks( libvlc_media_player_t *mp,
                                        libvlc_video_format_cb setup,
                                        libvlc_video_cleanup_cb cleanup )
{
    var_SetAddress( mp, "vmem-setup", setup );
    var_SetAddress( mp, "vmem-cleanup", cleanup );
}

983 984 985 986 987 988 989 990 991
void libvlc_video_set_format( libvlc_media_player_t *mp, const char *chroma,
                              unsigned width, unsigned height, unsigned pitch )
{
    var_SetString( mp, "vmem-chroma", chroma );
    var_SetInteger( mp, "vmem-width", width );
    var_SetInteger( mp, "vmem-height", height );
    var_SetInteger( mp, "vmem-pitch", pitch );
}

992 993 994 995
/**************************************************************************
 * set_nsobject
 **************************************************************************/
void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
996
                                        void * drawable )
997
{
998 999
    assert (p_mi != NULL);
#ifdef __APPLE__
1000 1001 1002
    var_SetString (p_mi, "avcodec-hw", "");
    var_SetString (p_mi, "vout", "");
    var_SetString (p_mi, "window", "");
1003 1004 1005 1006
    var_SetAddress (p_mi, "drawable-nsobject", drawable);
#else
    (void) p_mi; (void)drawable;
#endif
1007 1008 1009
}

/**************************************************************************
1010
 * get_nsobject
1011
 **************************************************************************/
Pierre's avatar
Pierre committed
1012
void * libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
1013
{
1014 1015 1016 1017 1018 1019
    assert (p_mi != NULL);
#ifdef __APPLE__
    return var_GetAddress (p_mi, "drawable-nsobject");
#else
    return NULL;
#endif
1020 1021
}

1022 1023 1024 1025
/**************************************************************************
 * set_agl
 **************************************************************************/
void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
1026
                                  uint32_t drawable )
1027
{
1028
    (void) p_mi; (void)drawable;
1029 1030 1031 1032 1033 1034 1035
}

/**************************************************************************
 * get_agl
 **************************************************************************/
uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
{
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
1036
    (void) p_mi;
1037
    return 0;
1038 1039
}

JP Dinger's avatar
JP Dinger committed
1040 1041 1042
/**************************************************************************
 * set_xwindow
 **************************************************************************/
1043
void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
1044
                                      uint32_t drawable )
1045
{
1046
    assert (p_mi != NULL);
1047