video_output.c 68.8 KB
Newer Older
1
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
2
 * video_output.c : video output thread
3
 *
Michel Kaempf's avatar
Michel Kaempf committed
4 5
 * This module describes the programming interface for video output threads.
 * It includes functions allowing to open a new thread, send pictures to a
6 7
 * thread, and destroy a previously oppened video output thread.
 *****************************************************************************
8
 * Copyright (C) 2000-2007 the VideoLAN team
Gildas Bazin's avatar
Gildas Bazin committed
9
 * $Id$
10
 *
Sam Hocevar's avatar
 
Sam Hocevar committed
11
 * Authors: Vincent Seguin <seguin@via.ecp.fr>
12
 *          Gildas Bazin <gbazin@videolan.org>
13 14 15 16 17
 *
 * This program 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.
18
 *
19 20
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 22
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
23
 *
24 25
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
Antoine Cellerier's avatar
Antoine Cellerier committed
26
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
27
 *****************************************************************************/
Michel Kaempf's avatar
Michel Kaempf committed
28

29
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
30
 * Preamble
31
 *****************************************************************************/
32 33 34 35
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

36
#include <vlc_common.h>
37

38
#include <stdlib.h>                                                /* free() */
39
#include <string.h>
Vincent Seguin's avatar
Vincent Seguin committed
40

Sam Hocevar's avatar
 
Sam Hocevar committed
41

42 43
#ifdef HAVE_SYS_TIMES_H
#   include <sys/times.h>
44
#endif
45

Clément Stenac's avatar
Clément Stenac committed
46
#include <vlc_vout.h>
47

Clément Stenac's avatar
Clément Stenac committed
48 49
#include <vlc_filter.h>
#include <vlc_osd.h>
Laurent Aimar's avatar
Laurent Aimar committed
50
#include <assert.h>
51

52
#if defined( __APPLE__ )
Clément Stenac's avatar
Clément Stenac committed
53
/* Include darwin_specific.h here if needed */
54 55
#endif

Clément Stenac's avatar
Clément Stenac committed
56 57
/** FIXME This is quite ugly but needed while we don't have counters
 * helpers */
58
//#include "input/input_internal.h"
Clément Stenac's avatar
Clément Stenac committed
59

60 61
#include <libvlc.h>
#include <vlc_input.h>
62
#include "vout_pictures.h"
Laurent Aimar's avatar
Laurent Aimar committed
63
#include "vout_internal.h"
64

65
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
66
 * Local prototypes
67
 *****************************************************************************/
68
static int      InitThread        ( vout_thread_t * );
69
static void*    RunThread         ( void *  );
70
static void     ErrorThread       ( vout_thread_t * );
Laurent Aimar's avatar
Laurent Aimar committed
71
static void     CleanThread       ( vout_thread_t * );
72
static void     EndThread         ( vout_thread_t * );
Sam Hocevar's avatar
 
Sam Hocevar committed
73

74
static void     AspectRatio       ( int, int *, int * );
Michel Kaempf's avatar
Michel Kaempf committed
75

Laurent Aimar's avatar
Laurent Aimar committed
76
static void VideoFormatImportRgb( video_format_t *, const picture_heap_t * );
77 78
static void PictureHeapFixRgb( picture_heap_t * );

79 80
static void     vout_Destructor   ( vlc_object_t * p_this );

Gildas Bazin's avatar
 
Gildas Bazin committed
81
/* Object variables callbacks */
82 83
static int FilterCallback( vlc_object_t *, char const *,
                           vlc_value_t, vlc_value_t, void * );
84 85
static int VideoFilter2Callback( vlc_object_t *, char const *,
                                 vlc_value_t, vlc_value_t, void * );
86 87

/* */
88 89 90 91 92
static void PostProcessEnable( vout_thread_t * );
static void PostProcessDisable( vout_thread_t * );
static void PostProcessSetFilterQuality( vout_thread_t *p_vout );
static int  PostProcessCallback( vlc_object_t *, char const *,
                                 vlc_value_t, vlc_value_t, void * );
93 94
/* */
static void DeinterlaceEnable( vout_thread_t * );
Gildas Bazin's avatar
 
Gildas Bazin committed
95

96 97 98
/* From vout_intf.c */
int vout_Snapshot( vout_thread_t *, picture_t * );

99 100 101
/* Display media title in OSD */
static void DisplayTitleOnOSD( vout_thread_t *p_vout );

102 103
/* Time during which the thread will sleep if it has nothing to
 * display (in micro-seconds) */
104
#define VOUT_IDLE_SLEEP                 ((int)(0.020*CLOCK_FREQ))
105 106 107 108 109 110 111 112 113 114 115

/* Maximum lap of time allowed between the beginning of rendering and
 * display. If, compared to the current date, the next image is too
 * late, the thread will perform an idle loop. This time should be
 * at least VOUT_IDLE_SLEEP plus the time required to render a few
 * images, to avoid trashing of decoded images */
#define VOUT_DISPLAY_DELAY              ((int)(0.200*CLOCK_FREQ))

/* Better be in advance when awakening than late... */
#define VOUT_MWAIT_TOLERANCE            ((mtime_t)(0.020*CLOCK_FREQ))

116 117 118 119 120 121 122 123
/* Minimum number of direct pictures the video output will accept without
 * creating additional pictures in system memory */
#ifdef OPTIMIZE_MEMORY
#   define VOUT_MIN_DIRECT_PICTURES        (VOUT_MAX_PICTURES/2)
#else
#   define VOUT_MIN_DIRECT_PICTURES        (3*VOUT_MAX_PICTURES/4)
#endif

124 125 126 127 128
/*****************************************************************************
 * Video Filter2 functions
 *****************************************************************************/
static picture_t *video_new_buffer_filter( filter_t *p_filter )
{
129
    vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
130
    picture_t *p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
131

132
    p_picture->i_status = READY_PICTURE;
133 134 135 136 137 138

    return p_picture;
}

static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
{
139 140
    vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;

141 142 143
    vlc_mutex_lock( &p_vout->picture_lock );
    vout_UsePictureLocked( p_vout, p_pic );
    vlc_mutex_unlock( &p_vout->picture_lock );
144 145 146 147 148 149 150 151
}

static int video_filter_buffer_allocation_init( filter_t *p_filter, void *p_data )
{
    p_filter->pf_vout_buffer_new = video_new_buffer_filter;
    p_filter->pf_vout_buffer_del = video_del_buffer_filter;
    p_filter->p_owner = p_data; /* p_vout */
    return VLC_SUCCESS;
152 153
}

154
/*****************************************************************************
155 156 157 158 159
 * vout_Request: find a video output thread, create one, or destroy one.
 *****************************************************************************
 * This function looks for a video output thread matching the current
 * properties. If not found, it spawns a new one.
 *****************************************************************************/
160 161
vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
                               video_format_t *p_fmt )
162
{
163
    if( !p_fmt )
164
    {
165 166 167
        /* Video output is no longer used.
         * TODO: support for reusing video outputs with proper _thread-safe_
         * reference handling. */
168
        if( p_vout )
169
            vout_CloseAndRelease( p_vout );
170 171 172 173 174 175
        return NULL;
    }

    /* If a video output was provided, lock it, otherwise look for one. */
    if( p_vout )
    {
176
        vlc_object_hold( p_vout );
177 178
    }

179
    /* TODO: find a suitable unused video output */
180 181 182 183

    /* If we now have a video output, check it has the right properties */
    if( p_vout )
    {
184 185
        vlc_mutex_lock( &p_vout->change_lock );

186
        /* We don't directly check for the "vout-filter" variable for obvious
Gildas Bazin's avatar
 
Gildas Bazin committed
187
         * performance reasons. */
188
        if( p_vout->p->b_filter_change )
Gildas Bazin's avatar
 
Gildas Bazin committed
189
        {
190
            char *psz_filter_chain = var_GetString( p_vout, "vout-filter" );
Gildas Bazin's avatar
 
Gildas Bazin committed
191

192
            if( psz_filter_chain && !*psz_filter_chain )
Gildas Bazin's avatar
 
Gildas Bazin committed
193 194 195 196
            {
                free( psz_filter_chain );
                psz_filter_chain = NULL;
            }
197
            if( p_vout->p->psz_filter_chain && !*p_vout->p->psz_filter_chain )
Gildas Bazin's avatar
 
Gildas Bazin committed
198
            {
199 200
                free( p_vout->p->psz_filter_chain );
                p_vout->p->psz_filter_chain = NULL;
Gildas Bazin's avatar
 
Gildas Bazin committed
201 202
            }

203
            if( !psz_filter_chain && !p_vout->p->psz_filter_chain )
Gildas Bazin's avatar
 
Gildas Bazin committed
204
            {
205
                p_vout->p->b_filter_change = false;
Gildas Bazin's avatar
 
Gildas Bazin committed
206 207
            }

208
            free( psz_filter_chain );
Gildas Bazin's avatar
 
Gildas Bazin committed
209 210
        }

211 212 213
        if( p_vout->fmt_render.i_chroma != p_fmt->i_chroma ||
            p_vout->fmt_render.i_width != p_fmt->i_width ||
            p_vout->fmt_render.i_height != p_fmt->i_height ||
214
            p_vout->p->b_filter_change )
215
        {
216 217
            vlc_mutex_unlock( &p_vout->change_lock );

218
            /* We are not interested in this format, close this vout */
219
            vout_CloseAndRelease( p_vout );
220
            vlc_object_release( p_vout );
221 222 223 224 225
            p_vout = NULL;
        }
        else
        {
            /* This video output is cool! Hijack it. */
226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273
            if( p_vout->fmt_render.i_aspect != p_fmt->i_aspect )
            {
                /* Correct aspect ratio on change
                 * FIXME factorize this code with other aspect ration related code */
                unsigned int i_sar_num;
                unsigned int i_sar_den;
                unsigned int i_aspect;

                i_aspect = p_fmt->i_aspect;
                vlc_ureduce( &i_sar_num, &i_sar_den,
                             p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
#if 0
                /* What's that, it does not seems to be used correcly everywhere
                 * beside the previous p_vout->fmt_render.i_aspect != p_fmt->i_aspect
                 * should be fixed to use it too then */
                if( p_vout->i_par_num > 0 && p_vout->i_par_den > 0 )
                {
                    i_sar_num *= p_vout->i_par_den;
                    i_sar_den *= p_vout->i_par_num;
                    i_aspect = i_aspect * p_vout->i_par_den / p_vout->i_par_num;
                }
#endif

                if( i_sar_num > 0 && i_sar_den > 0 && i_aspect > 0 )
                {
                    p_vout->fmt_in.i_sar_num = i_sar_num;
                    p_vout->fmt_in.i_sar_den = i_sar_den;
                    p_vout->fmt_in.i_aspect  = i_aspect;

                    p_vout->fmt_render.i_sar_num = i_sar_num;
                    p_vout->fmt_render.i_sar_den = i_sar_den;
                    p_vout->fmt_render.i_aspect  = i_aspect;

                    p_vout->render.i_aspect   = i_aspect;

                    p_vout->i_changes |= VOUT_ASPECT_CHANGE;

                }
            }
            vlc_mutex_unlock( &p_vout->change_lock );

            vlc_object_release( p_vout );
        }

        if( p_vout )
        {
            msg_Dbg( p_this, "reusing provided vout" );

274
            spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
275
            vlc_object_detach( p_vout );
276

277
            vlc_object_attach( p_vout, p_this );
278
            spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), true );
279 280 281 282 283 284 285
        }
    }

    if( !p_vout )
    {
        msg_Dbg( p_this, "no usable vout present, spawning one" );

286
        p_vout = vout_Create( p_this, p_fmt );
287 288 289 290 291 292 293
    }

    return p_vout;
}

/*****************************************************************************
 * vout_Create: creates a new video output thread
294
 *****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
295 296
 * This function creates a new video output thread, and returns a pointer
 * to its description. On error, it returns NULL.
297
 *****************************************************************************/
298
vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
Michel Kaempf's avatar
Michel Kaempf committed
299
{
Gildas Bazin's avatar
 
Gildas Bazin committed
300 301
    vout_thread_t  * p_vout;                            /* thread descriptor */
    int              i_index;                               /* loop variable */
302
    vlc_value_t      text;
Michel Kaempf's avatar
Michel Kaempf committed
303

304 305
    unsigned int i_width = p_fmt->i_width;
    unsigned int i_height = p_fmt->i_height;
306 307 308
    vlc_fourcc_t i_chroma = p_fmt->i_chroma;
    unsigned int i_aspect = p_fmt->i_aspect;

309 310 311 312
    config_chain_t *p_cfg;
    char *psz_parser;
    char *psz_name;

313 314 315 316 317 318 319 320
    if( i_width <= 0 || i_height <= 0 || i_aspect <= 0 )
        return NULL;

    vlc_ureduce( &p_fmt->i_sar_num, &p_fmt->i_sar_den,
                 p_fmt->i_sar_num, p_fmt->i_sar_den, 50000 );
    if( p_fmt->i_sar_num <= 0 || p_fmt->i_sar_den <= 0 )
        return NULL;

321
    /* Allocate descriptor */
322 323 324
    static const char typename[] = "video output";
    p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
                                typename );
325
    if( p_vout == NULL )
326
        return NULL;
327

328
    /* */
Laurent Aimar's avatar
Laurent Aimar committed
329
    p_vout->p = calloc( 1, sizeof(*p_vout->p) );
330 331 332 333 334 335
    if( !p_vout->p )
    {
        vlc_object_release( p_vout );
        return NULL;
    }

336
    /* Initialize pictures - translation tables and functions
Gildas Bazin's avatar
 
Gildas Bazin committed
337
     * will be initialized later in InitThread */
338
    for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
Gildas Bazin's avatar
 
Gildas Bazin committed
339 340 341 342 343
    {
        p_vout->p_picture[i_index].pf_lock = NULL;
        p_vout->p_picture[i_index].pf_unlock = NULL;
        p_vout->p_picture[i_index].i_status = FREE_PICTURE;
        p_vout->p_picture[i_index].i_type   = EMPTY_PICTURE;
344
        p_vout->p_picture[i_index].b_slow   = 0;
Gildas Bazin's avatar
 
Gildas Bazin committed
345 346 347 348 349 350 351
    }

    /* No images in the heap */
    p_vout->i_heap_size = 0;

    /* Initialize the rendering heap */
    I_RENDERPICTURES = 0;
352

353 354
    p_vout->fmt_render        = *p_fmt;   /* FIXME palette */
    p_vout->fmt_in            = *p_fmt;   /* FIXME palette */
355

Gildas Bazin's avatar
 
Gildas Bazin committed
356 357 358 359 360
    p_vout->render.i_width    = i_width;
    p_vout->render.i_height   = i_height;
    p_vout->render.i_chroma   = i_chroma;
    p_vout->render.i_aspect   = i_aspect;

361 362 363
    p_vout->render.i_rmask    = p_fmt->i_rmask;
    p_vout->render.i_gmask    = p_fmt->i_gmask;
    p_vout->render.i_bmask    = p_fmt->i_bmask;
Gildas Bazin's avatar
 
Gildas Bazin committed
364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380

    p_vout->render.i_last_used_pic = -1;
    p_vout->render.b_allow_modify_pics = 1;

    /* Zero the output heap */
    I_OUTPUTPICTURES = 0;
    p_vout->output.i_width    = 0;
    p_vout->output.i_height   = 0;
    p_vout->output.i_chroma   = 0;
    p_vout->output.i_aspect   = 0;

    p_vout->output.i_rmask    = 0;
    p_vout->output.i_gmask    = 0;
    p_vout->output.i_bmask    = 0;

    /* Initialize misc stuff */
    p_vout->i_changes    = 0;
381 382
    p_vout->b_autoscale  = 1;
    p_vout->i_zoom      = ZOOM_FP_FACTOR;
Gildas Bazin's avatar
 
Gildas Bazin committed
383
    p_vout->b_fullscreen = 0;
Gildas Bazin's avatar
 
Gildas Bazin committed
384
    p_vout->i_alignment  = 0;
385 386
    p_vout->p->render_time  = 10;
    p_vout->p->c_fps_samples = 0;
387 388
    p_vout->p->i_picture_lost = 0;
    p_vout->p->i_picture_displayed = 0;
389
    p_vout->p->b_filter_change = 0;
Laurent Aimar's avatar
Laurent Aimar committed
390 391
    p_vout->p->b_paused = false;
    p_vout->p->i_pause_date = 0;
392
    p_vout->pf_control = NULL;
393 394
    p_vout->p->i_par_num =
    p_vout->p->i_par_den = 1;
395
    p_vout->p->p_picture_displayed = NULL;
396 397 398
    p_vout->p->i_picture_displayed_date = 0;
    p_vout->p->b_picture_displayed = false;
    p_vout->p->b_picture_empty = false;
399
    p_vout->p->i_picture_qtype = QTYPE_NONE;
Gildas Bazin's avatar
 
Gildas Bazin committed
400

401 402 403 404 405 406
    p_vout->p->snapshot.b_available = true;
    p_vout->p->snapshot.i_request = 0;
    p_vout->p->snapshot.p_picture = NULL;
    vlc_mutex_init( &p_vout->p->snapshot.lock );
    vlc_cond_init( &p_vout->p->snapshot.wait );

Gildas Bazin's avatar
 
Gildas Bazin committed
407
    /* Initialize locks */
408 409
    vlc_mutex_init( &p_vout->picture_lock );
    vlc_cond_init( &p_vout->p->picture_wait );
410
    vlc_mutex_init( &p_vout->change_lock );
411
    vlc_mutex_init( &p_vout->p->vfilter_lock );
Gildas Bazin's avatar
 
Gildas Bazin committed
412

413 414 415 416 417
    /* Mouse coordinates */
    var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
    var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
    var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
    var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
418
    var_Create( p_vout, "mouse-clicked", VLC_VAR_BOOL );
419

420
    /* Initialize subpicture unit */
421
    p_vout->p_spu = spu_Create( p_vout );
422

Gildas Bazin's avatar
 
Gildas Bazin committed
423 424 425
    /* Attach the new object now so we can use var inheritance below */
    vlc_object_attach( p_vout, p_parent );

426
    /* */
427 428
    spu_Init( p_vout->p_spu );

429 430
    spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), true );

431 432
    /* Take care of some "interface/control" related initialisations */
    vout_IntfInit( p_vout );
Gildas Bazin's avatar
 
Gildas Bazin committed
433

Gildas Bazin's avatar
 
Gildas Bazin committed
434 435
    /* If the parent is not a VOUT object, that means we are at the start of
     * the video output pipe */
436
    if( vlc_internals( p_parent )->i_object_type != VLC_OBJECT_VOUT )
Sam Hocevar's avatar
 
Sam Hocevar committed
437
    {
438
        /* Look for the default filter configuration */
439
        p_vout->p->psz_filter_chain =
440
            var_CreateGetStringCommand( p_vout, "vout-filter" );
441 442

        /* Apply video filter2 objects on the first vout */
443
        p_vout->p->psz_vf2 =
444
            var_CreateGetStringCommand( p_vout, "video-filter" );
445 446

        p_vout->p->b_first_vout = true;
Gildas Bazin's avatar
 
Gildas Bazin committed
447 448 449 450
    }
    else
    {
        /* continue the parent's filter chain */
451
        char *psz_tmp;
Gildas Bazin's avatar
 
Gildas Bazin committed
452

453
        /* Ugly hack to jump to our configuration chain */
454 455 456 457
        p_vout->p->psz_filter_chain
            = ((vout_thread_t *)p_parent)->p->psz_filter_chain;
        p_vout->p->psz_filter_chain
            = config_ChainCreate( &psz_tmp, &p_cfg, p_vout->p->psz_filter_chain );
458 459
        config_ChainDestroy( p_cfg );
        free( psz_tmp );
460 461

        /* Create a video filter2 var ... but don't inherit values */
462 463
        var_Create( p_vout, "video-filter",
                    VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
464
        p_vout->p->psz_vf2 = var_GetString( p_vout, "video-filter" );
465 466 467

        /* */
        p_vout->p->b_first_vout = false;
Gildas Bazin's avatar
 
Gildas Bazin committed
468 469
    }

470
    var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
471
    p_vout->p->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
472
        false, video_filter_buffer_allocation_init, NULL, p_vout );
473

Gildas Bazin's avatar
 
Gildas Bazin committed
474
    /* Choose the video output module */
475
    if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
Gildas Bazin's avatar
 
Gildas Bazin committed
476
    {
477
        psz_parser = var_CreateGetString( p_vout, "vout" );
Gildas Bazin's avatar
 
Gildas Bazin committed
478 479 480
    }
    else
    {
481 482
        psz_parser = strdup( p_vout->p->psz_filter_chain );
        p_vout->p->b_title_show = false;
Sam Hocevar's avatar
 
Sam Hocevar committed
483 484
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
485
    /* Create the vout thread */
486
    char* psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
Antoine Cellerier's avatar
Antoine Cellerier committed
487
    free( psz_parser );
488
    free( psz_tmp );
489
    p_vout->p_cfg = p_cfg;
490
    p_vout->p_module = module_need( p_vout,
491 492
        ( p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain ) ?
        "video filter" : "video output", psz_name, p_vout->p->psz_filter_chain && *p_vout->p->psz_filter_chain );
493
    free( psz_name );
Sam Hocevar's avatar
 
Sam Hocevar committed
494

495 496
    vlc_object_set_destructor( p_vout, vout_Destructor );

Sam Hocevar's avatar
 
Sam Hocevar committed
497 498
    if( p_vout->p_module == NULL )
    {
499
        msg_Err( p_vout, "no suitable vout module" );
500
        spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
501 502
        spu_Destroy( p_vout->p_spu );
        p_vout->p_spu = NULL;
503
        vlc_object_release( p_vout );
504
        return NULL;
Sam Hocevar's avatar
 
Sam Hocevar committed
505
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
506

Gildas Bazin's avatar
 
Gildas Bazin committed
507
    /* Create a few object variables for interface interaction */
508
    var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
509
    text.psz_string = _("Filters");
510 511
    var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
    var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
512

513 514 515 516
    /* */
    DeinterlaceEnable( p_vout );

    /* */
517 518 519
    vlc_cond_init( &p_vout->p->change_wait );
    if( vlc_clone( &p_vout->p->thread, RunThread, p_vout,
                   VLC_THREAD_PRIORITY_OUTPUT ) )
Michel Kaempf's avatar
Michel Kaempf committed
520
    {
521
        module_unneed( p_vout, p_vout->p_module );
Laurent Aimar's avatar
Laurent Aimar committed
522
        p_vout->p_module = NULL;
523
        spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
524 525
        spu_Destroy( p_vout->p_spu );
        p_vout->p_spu = NULL;
526
        vlc_object_release( p_vout );
527 528 529
        return NULL;
    }

530 531 532 533 534 535 536 537 538
    vlc_mutex_lock( &p_vout->change_lock );
    while( !p_vout->p->b_ready )
    {   /* We are (ab)using the same condition in opposite directions for
         * b_ready and b_done. This works because of the strict ordering. */
        assert( !p_vout->p->b_done );
        vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
    }
    vlc_mutex_unlock( &p_vout->change_lock );

539 540 541
    if( p_vout->b_error )
    {
        msg_Err( p_vout, "video output creation failed" );
542
        vout_CloseAndRelease( p_vout );
543
        return NULL;
544
    }
Michel Kaempf's avatar
Michel Kaempf committed
545

546
    return p_vout;
Michel Kaempf's avatar
Michel Kaempf committed
547 548
}

549
/*****************************************************************************
550
 * vout_Close: Close a vout created by vout_Create.
551
 *****************************************************************************
552
 * You HAVE to call it on vout created by vout_Create before vlc_object_release.
Rémi Denis-Courmont's avatar
Typo  
Rémi Denis-Courmont committed
553
 * You should NEVER call it on vout not obtained through vout_Create
554
 * (like with vout_Request or vlc_object_find.)
555
 * You can use vout_CloseAndRelease() as a convenience method.
556
 *****************************************************************************/
557
void vout_Close( vout_thread_t *p_vout )
558 559 560
{
    assert( p_vout );

561 562 563 564
    vlc_mutex_lock( &p_vout->change_lock );
    p_vout->p->b_done = true;
    vlc_cond_signal( &p_vout->p->change_wait );
    vlc_mutex_unlock( &p_vout->change_lock );
565 566 567 568 569 570

    vlc_mutex_lock( &p_vout->p->snapshot.lock );
    p_vout->p->snapshot.b_available = false;
    vlc_cond_broadcast( &p_vout->p->snapshot.wait );
    vlc_mutex_unlock( &p_vout->p->snapshot.lock );

571
    vlc_join( p_vout->p->thread, NULL );
572
    module_unneed( p_vout, p_vout->p_module );
573
    p_vout->p_module = NULL;
574 575 576
}

/* */
577 578
static void vout_Destructor( vlc_object_t * p_this )
{
579
    vout_thread_t *p_vout = (vout_thread_t *)p_this;
580

581 582 583
    /* Make sure the vout was stopped first */
    assert( !p_vout->p_module );

Laurent Aimar's avatar
Laurent Aimar committed
584
    /* */
585 586
    if( p_vout->p_spu )
        spu_Destroy( p_vout->p_spu );
Laurent Aimar's avatar
Laurent Aimar committed
587

588
    /* Destroy the locks */
589
    vlc_cond_destroy( &p_vout->p->change_wait );
590
    vlc_cond_destroy( &p_vout->p->picture_wait );
591 592
    vlc_mutex_destroy( &p_vout->picture_lock );
    vlc_mutex_destroy( &p_vout->change_lock );
593
    vlc_mutex_destroy( &p_vout->p->vfilter_lock );
594

595 596 597 598 599 600 601 602 603 604 605 606 607 608 609
    /* */
    for( ;; )
    {
        picture_t *p_picture = p_vout->p->snapshot.p_picture;
        if( !p_picture )
            break;

        p_vout->p->snapshot.p_picture = p_picture->p_next;

        picture_Release( p_picture );
    }
    vlc_cond_destroy( &p_vout->p->snapshot.wait );
    vlc_mutex_destroy( &p_vout->p->snapshot.lock );

    /* */
610
    free( p_vout->p->psz_filter_chain );
611
    free( p_vout->p->psz_title );
Gildas Bazin's avatar
 
Gildas Bazin committed
612

613 614
    config_ChainDestroy( p_vout->p_cfg );

615 616
    free( p_vout->p );

617
#ifndef __APPLE__
618
    vout_thread_t *p_another_vout;
619

620 621 622 623 624 625 626 627
    /* This is a dirty hack mostly for Linux, where there is no way to get the
     * GUI back if you closed it while playing video. This is solved in
     * Mac OS X, where we have this novelty called menubar, that will always
     * allow you access to the applications main functionality. They should try
     * that on linux sometime. */
    p_another_vout = vlc_object_find( p_this->p_libvlc,
                                      VLC_OBJECT_VOUT, FIND_ANYWHERE );
    if( p_another_vout == NULL )
628
        var_SetBool( p_this->p_libvlc, "intf-show", true );
629 630
    else
        vlc_object_release( p_another_vout );
631
#endif
Michel Kaempf's avatar
Michel Kaempf committed
632 633
}

Laurent Aimar's avatar
Laurent Aimar committed
634 635 636
/* */
void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
{
637
    vlc_mutex_lock( &p_vout->change_lock );
Laurent Aimar's avatar
Laurent Aimar committed
638

639
    assert( !p_vout->p->b_paused || !b_paused );
640 641 642 643 644

    vlc_mutex_lock( &p_vout->picture_lock );

    p_vout->p->i_picture_displayed_date = 0;

Laurent Aimar's avatar
Laurent Aimar committed
645 646 647 648 649 650 651 652 653 654 655
    if( p_vout->p->b_paused )
    {
        const mtime_t i_duration = i_date - p_vout->p->i_pause_date;

        for( int i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
        {
            picture_t *p_pic = PP_RENDERPICTURE[i_index];

            if( p_pic->i_status == READY_PICTURE )
                p_pic->date += i_duration;
        }
656 657 658
        vlc_cond_signal( &p_vout->p->picture_wait );
        vlc_mutex_unlock( &p_vout->picture_lock );

Laurent Aimar's avatar
Laurent Aimar committed
659
        spu_OffsetSubtitleDate( p_vout->p_spu, i_duration );
Laurent Aimar's avatar
Laurent Aimar committed
660
    }
661 662 663 664
    else
    {
        vlc_mutex_unlock( &p_vout->picture_lock );
    }
Laurent Aimar's avatar
Laurent Aimar committed
665 666 667
    p_vout->p->b_paused = b_paused;
    p_vout->p->i_pause_date = i_date;

668
    vlc_mutex_unlock( &p_vout->change_lock );
Laurent Aimar's avatar
Laurent Aimar committed
669
}
670

671 672
void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_lost )
{
673
    vlc_mutex_lock( &p_vout->change_lock );
674 675 676 677 678 679 680

    *pi_displayed = p_vout->p->i_picture_displayed;
    *pi_lost = p_vout->p->i_picture_lost;

    p_vout->p->i_picture_displayed = 0;
    p_vout->p->i_picture_lost = 0;

681
    vlc_mutex_unlock( &p_vout->change_lock );
682
}
683

Laurent Aimar's avatar
Laurent Aimar committed
684 685 686
void vout_Flush( vout_thread_t *p_vout, mtime_t i_date )
{
    vlc_mutex_lock( &p_vout->picture_lock );
687
    p_vout->p->i_picture_displayed_date = 0;
Laurent Aimar's avatar
Laurent Aimar committed
688 689 690
    for( int i = 0; i < p_vout->render.i_pictures; i++ )
    {
        picture_t *p_pic = p_vout->render.pp_picture[i];
Laurent Aimar's avatar
Laurent Aimar committed
691

Laurent Aimar's avatar
Laurent Aimar committed
692 693 694 695 696 697 698 699 700
        if( p_pic->i_status == READY_PICTURE ||
            p_pic->i_status == DISPLAYED_PICTURE )
        {
            /* We cannot change picture status if it is in READY_PICTURE state,
             * Just make sure they won't be displayed */
            if( p_pic->date > i_date )
                p_pic->date = i_date;
        }
    }
701
    vlc_cond_signal( &p_vout->p->picture_wait );
Laurent Aimar's avatar
Laurent Aimar committed
702 703
    vlc_mutex_unlock( &p_vout->picture_lock );
}
704

705
void vout_FixLeaks( vout_thread_t *p_vout, bool b_forced )
706 707 708 709 710
{
    int i_pic, i_ready_pic;

    vlc_mutex_lock( &p_vout->picture_lock );

711
    for( i_pic = 0, i_ready_pic = 0; i_pic < p_vout->render.i_pictures && !b_forced; i_pic++ )
712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733
    {
        const picture_t *p_pic = p_vout->render.pp_picture[i_pic];

        if( p_pic->i_status == READY_PICTURE )
        {
            i_ready_pic++;
            /* If we have at least 2 ready pictures, wait for the vout thread to
             * process one */
            if( i_ready_pic >= 2 )
                break;

            continue;
        }

        if( p_pic->i_status == DISPLAYED_PICTURE )
        {
            /* If at least one displayed picture is not referenced
             * let vout free it */
            if( p_pic->i_refcount == 0 )
                break;
        }
    }
734
    if( i_pic < p_vout->render.i_pictures && !b_forced )
735 736 737 738 739 740 741
    {
        vlc_mutex_unlock( &p_vout->picture_lock );
        return;
    }

    /* Too many pictures are still referenced, there is probably a bug
     * with the decoder */
742 743
    if( !b_forced )
        msg_Err( p_vout, "pictures leaked, resetting the heap" );
744 745 746 747 748

    /* Just free all the pictures */
    for( i_pic = 0; i_pic < p_vout->render.i_pictures; i_pic++ )
    {
        picture_t *p_pic = p_vout->render.pp_picture[i_pic];
749 750

        msg_Dbg( p_vout, "[%d] %d %d", i_pic, p_pic->i_status, p_pic->i_refcount );
751
        p_pic->i_refcount = 0;
Laurent Aimar's avatar
Laurent Aimar committed
752 753 754 755 756 757 758 759 760 761

        switch( p_pic->i_status )
        {
        case READY_PICTURE:
        case DISPLAYED_PICTURE:
        case RESERVED_PICTURE:
            if( p_pic != p_vout->p->p_picture_displayed )
                vout_UsePictureLocked( p_vout, p_pic );
            break;
        }
762
    }
763
    vlc_cond_signal( &p_vout->p->picture_wait );
764 765
    vlc_mutex_unlock( &p_vout->picture_lock );
}
766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788
void vout_NextPicture( vout_thread_t *p_vout, mtime_t *pi_duration )
{
    vlc_mutex_lock( &p_vout->picture_lock );

    const mtime_t i_displayed_date = p_vout->p->i_picture_displayed_date;

    p_vout->p->b_picture_displayed = false;
    p_vout->p->b_picture_empty = false;
    if( p_vout->p->p_picture_displayed )
    {
        p_vout->p->p_picture_displayed->date = 1;
        vlc_cond_signal( &p_vout->p->picture_wait );
    }

    while( !p_vout->p->b_picture_displayed && !p_vout->p->b_picture_empty )
        vlc_cond_wait( &p_vout->p->picture_wait, &p_vout->picture_lock );

    *pi_duration = __MAX( p_vout->p->i_picture_displayed_date - i_displayed_date, 0 );

    /* TODO advance subpicture by the duration ... */

    vlc_mutex_unlock( &p_vout->picture_lock );
}
789

790 791 792 793 794 795 796
void vout_DisplayTitle( vout_thread_t *p_vout, const char *psz_title )
{
    assert( psz_title );

    if( !config_GetInt( p_vout, "osd" ) )
        return;

797
    vlc_mutex_lock( &p_vout->change_lock );
798 799
    free( p_vout->p->psz_title );
    p_vout->p->psz_title = strdup( psz_title );
800
    vlc_mutex_unlock( &p_vout->change_lock );
801
}
802

803
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
804
 * InitThread: initialize video output thread
805
 *****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
806 807 808
 * This function is called from RunThread and performs the second step of the
 * initialization. It returns 0 on success. Note that the thread's flag are not
 * modified inside this function.
809
 * XXX You have to enter it with change_lock taken.
810
 *****************************************************************************/
811 812
static int ChromaCreate( vout_thread_t *p_vout );
static void ChromaDestroy( vout_thread_t *p_vout );
813

814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829
static bool ChromaIsEqual( const picture_heap_t *p_output, const picture_heap_t *p_render )
{
     if( !vout_ChromaCmp( p_output->i_chroma, p_render->i_chroma ) )
         return false;

     if( p_output->i_chroma != FOURCC_RV15 &&
         p_output->i_chroma != FOURCC_RV16 &&
         p_output->i_chroma != FOURCC_RV24 &&
         p_output->i_chroma != FOURCC_RV32 )
         return true;

     return p_output->i_rmask == p_render->i_rmask &&
            p_output->i_gmask == p_render->i_gmask &&
            p_output->i_bmask == p_render->i_bmask;
}

Sam Hocevar's avatar
 
Sam Hocevar committed
830
static int InitThread( vout_thread_t *p_vout )
Vincent Seguin's avatar
Vincent Seguin committed
831
{
832
    int i, i_aspect_x, i_aspect_y;
Sam Hocevar's avatar
 
Sam Hocevar committed
833

Sam Hocevar's avatar
 
Sam Hocevar committed
834
    /* Initialize output method, it allocates direct buffers for us */
Sam Hocevar's avatar
 
Sam Hocevar committed
835
    if( p_vout->pf_init( p_vout ) )
836
        return VLC_EGENERIC;
Sam Hocevar's avatar
 
Sam Hocevar committed
837

838 839
    p_vout->p->p_picture_displayed = NULL;

Sam Hocevar's avatar
 
Sam Hocevar committed
840
    if( !I_OUTPUTPICTURES )
Sam Hocevar's avatar
 
Sam Hocevar committed
841
    {
842 843
        msg_Err( p_vout, "plugin was unable to allocate at least "
                         "one direct buffer" );
Sam Hocevar's avatar
 
Sam Hocevar committed
844
        p_vout->pf_end( p_vout );
845
        return VLC_EGENERIC;
846
    }
Vincent Seguin's avatar
Vincent Seguin committed
847

Gildas Bazin's avatar
 
Gildas Bazin committed
848 849 850 851 852 853 854 855
    if( I_OUTPUTPICTURES > VOUT_MAX_PICTURES )
    {
        msg_Err( p_vout, "plugin allocated too many direct buffers, "
                         "our internal buffers must have overflown." );
        p_vout->pf_end( p_vout );
        return VLC_EGENERIC;
    }

856
    msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
Sam Hocevar's avatar
 
Sam Hocevar committed
857

858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880
    AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );

    AspectRatio( p_vout->fmt_in.i_aspect, &i_aspect_x, &i_aspect_y );

    if( !p_vout->fmt_out.i_width || !p_vout->fmt_out.i_height )
    {
        p_vout->fmt_out.i_width = p_vout->fmt_out.i_visible_width =
            p_vout->output.i_width;
        p_vout->fmt_out.i_height = p_vout->fmt_out.i_visible_height =
            p_vout->output.i_height;
        p_vout->fmt_out.i_x_offset =  p_vout->fmt_out.i_y_offset = 0;

        p_vout->fmt_out.i_aspect = p_vout->output.i_aspect;
        p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
    }
    if( !p_vout->fmt_out.i_sar_num || !p_vout->fmt_out.i_sar_num )
    {
        p_vout->fmt_out.i_sar_num = p_vout->fmt_out.i_aspect *
            p_vout->fmt_out.i_height;
        p_vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR *
            p_vout->fmt_out.i_width;
    }

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
881 882
    vlc_ureduce( &p_vout->fmt_out.i_sar_num, &p_vout->fmt_out.i_sar_den,
                 p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den, 0 );
883 884

    AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
Sam Hocevar's avatar
 
Sam Hocevar committed
885

886
    /* FIXME removed the need of both fmt_* and heap infos */
Sam Hocevar's avatar
 
Sam Hocevar committed
887
    /* Calculate shifts from system-updated masks */
888 889 890 891 892
    PictureHeapFixRgb( &p_vout->render );
    VideoFormatImportRgb( &p_vout->fmt_render, &p_vout->render );

    PictureHeapFixRgb( &p_vout->output );
    VideoFormatImportRgb( &p_vout->fmt_out, &p_vout->output );
Sam Hocevar's avatar
 
Sam Hocevar committed
893

basos g's avatar
basos g committed
894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925
    /* print some usefull debug info about different vout formats
     */
    msg_Dbg( p_vout, "pic render sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, ar %i:%i, sar %i:%i, msk r0x%x g0x%x b0x%x",
             p_vout->fmt_render.i_width, p_vout->fmt_render.i_height,
             p_vout->fmt_render.i_x_offset, p_vout->fmt_render.i_y_offset,
             p_vout->fmt_render.i_visible_width,
             p_vout->fmt_render.i_visible_height,
             (char*)&p_vout->fmt_render.i_chroma,
             i_aspect_x, i_aspect_y,
             p_vout->fmt_render.i_sar_num, p_vout->fmt_render.i_sar_den,
             p_vout->fmt_render.i_rmask, p_vout->fmt_render.i_gmask, p_vout->fmt_render.i_bmask );

    msg_Dbg( p_vout, "pic in sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, ar %i:%i, sar %i:%i, msk r0x%x g0x%x b0x%x",
             p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
             p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
             p_vout->fmt_in.i_visible_width,
             p_vout->fmt_in.i_visible_height,
             (char*)&p_vout->fmt_in.i_chroma,
             i_aspect_x, i_aspect_y,
             p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den,
             p_vout->fmt_in.i_rmask, p_vout->fmt_in.i_gmask, p_vout->fmt_in.i_bmask );

    msg_Dbg( p_vout, "pic out sz %ix%i, of (%i,%i), vsz %ix%i, 4cc %4.4s, ar %i:%i, sar %i:%i, msk r0x%x g0x%x b0x%x",
             p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
             p_vout->fmt_out.i_x_offset, p_vout->fmt_out.i_y_offset,
             p_vout->fmt_out.i_visible_width,
             p_vout->fmt_out.i_visible_height,
             (char*)&p_vout->fmt_out.i_chroma,
             i_aspect_x, i_aspect_y,
             p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den,
             p_vout->fmt_out.i_rmask, p_vout->fmt_out.i_gmask, p_vout->fmt_out.i_bmask );

Sam Hocevar's avatar
 
Sam Hocevar committed
926
    /* Check whether we managed to create direct buffers similar to
927
     * the render buffers, ie same size and chroma */
Sam Hocevar's avatar
 
Sam Hocevar committed
928 929
    if( ( p_vout->output.i_width == p_vout->render.i_width )
     && ( p_vout->output.i_height == p_vout->render.i_height )
930
     && ( ChromaIsEqual( &p_vout->output, &p_vout->render ) ) )
Sam Hocevar's avatar
 
Sam Hocevar committed
931
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
932 933 934 935
        /* Cool ! We have direct buffers, we can ask the decoder to
         * directly decode into them ! Map the first render buffers to
         * the first direct buffers, but keep the first direct buffer
         * for memcpy operations */
936
        p_vout->p->b_direct = true;
Sam Hocevar's avatar
 
Sam Hocevar committed
937

Sam Hocevar's avatar
 
Sam Hocevar committed
938 939
        for( i = 1; i < VOUT_MAX_PICTURES; i++ )
        {
Gildas Bazin's avatar
 
Gildas Bazin committed
940 941 942 943 944 945 946 947
            if( p_vout->p_picture[ i ].i_type != DIRECT_PICTURE &&
                I_RENDERPICTURES >= VOUT_MIN_DIRECT_PICTURES - 1 &&
                p_vout->p_picture[ i - 1 ].i_type == DIRECT_PICTURE )
            {
                /* We have enough direct buffers so there's no need to
                 * try to use system memory buffers. */
                break;
            }
Sam Hocevar's avatar
 
Sam Hocevar committed
948 949 950
            PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
            I_RENDERPICTURES++;
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
951 952 953 954

        msg_Dbg( p_vout, "direct render, mapping "
                 "render pictures 0-%i to system pictures 1-%i",
                 VOUT_MAX_PICTURES - 2, VOUT_MAX_PICTURES - 1 );
Sam Hocevar's avatar
 
Sam Hocevar committed
955 956 957
    }
    else
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
958 959 960
        /* Rats... Something is wrong here, we could not find an output
         * plugin able to directly render what we decode. See if we can
         * find a chroma plugin to do the conversion */
961
        p_vout->p->b_direct = false;
Sam Hocevar's avatar
 
Sam Hocevar committed
962

963
        if( ChromaCreate( p_vout ) )
Sam Hocevar's avatar
 
Sam Hocevar committed
964 965
        {
            p_vout->pf_end( p_vout );
966
            return VLC_EGENERIC;
Sam Hocevar's avatar
 
Sam Hocevar committed
967
        }
Sam Hocevar's avatar
 
Sam Hocevar committed
968

Gildas Bazin's avatar
 
Gildas Bazin committed
969 970 971 972
        msg_Dbg( p_vout, "indirect render, mapping "
                 "render pictures 0-%i to system pictures %i-%i",
                 VOUT_MAX_PICTURES - 1, I_OUTPUTPICTURES,
                 I_OUTPUTPICTURES + VOUT_MAX_PICTURES - 1 );
Sam Hocevar's avatar
 
Sam Hocevar committed
973 974

        /* Append render buffers after the direct buffers */
Sam Hocevar's avatar
 
Sam Hocevar committed
975
        for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
Sam Hocevar's avatar
 
Sam Hocevar committed
976 977 978
        {
            PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
            I_RENDERPICTURES++;
Gildas Bazin's avatar
 
Gildas Bazin committed
979 980 981 982

            /* Check if we have enough render pictures */
            if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
                break;
Sam Hocevar's avatar
 
Sam Hocevar committed
983 984
        }
    }
Vincent Seguin's avatar
Vincent Seguin committed
985

Sam Hocevar's avatar
 
Sam Hocevar committed
986 987 988 989 990 991 992 993 994 995 996
    /* Link pictures back to their heap */
    for( i = 0 ; i < I_RENDERPICTURES ; i++ )
    {
        PP_RENDERPICTURE[ i ]->p_heap = &p_vout->render;
    }

    for( i = 0 ; i < I_OUTPUTPICTURES ; i++ )
    {
        PP_OUTPUTPICTURE[ i ]->p_heap = &p_vout->output;
    }

997
    return VLC_SUCCESS;
Vincent Seguin's avatar
Vincent Seguin committed
998 999
}

1000
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
1001
 * RunThread: video output thread
1002
 *****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
1003 1004 1005
 * Video output thread. This function does only returns when the thread is
 * terminated. It handles the pictures arriving in the video heap and the
 * display device events.
1006
 *****************************************************************************/
1007
static void* RunThread( void *p_this )
Vincent Seguin's avatar
Vincent Seguin committed
1008
{
1009
    vout_thread_t *p_vout = p_this;
1010
    int             i_idle_loops = 0;  /* loops without displaying a picture */
1011
    int             i_picture_qtype_last = QTYPE_NONE;
Sam Hocevar's avatar
 
Sam Hocevar committed
1012

Laurent Aimar's avatar
Laurent Aimar committed
1013
    bool            b_drop_late;
1014

Sam Hocevar's avatar
 
Sam Hocevar committed
1015 1016 1017
    /*
     * Initialize thread
     */
1018
    vlc_mutex_lock( &p_vout->change_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
1019
    p_vout->b_error = InitThread( p_vout );
Gildas Bazin's avatar
 
Gildas Bazin committed
1020

Laurent Aimar's avatar
Laurent Aimar committed
1021
    b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
1022

Gildas Bazin's avatar
 
Gildas Bazin committed
1023
    /* signal the creation of the vout */
1024 1025
    p_vout->p->b_ready = true;
    vlc_cond_signal( &p_vout->p->change_wait );
Gildas Bazin's avatar
 
Gildas Bazin committed
1026

Sam Hocevar's avatar
 
Sam Hocevar committed
1027
    if( p_vout->b_error )
1028
    {
Laurent Aimar's avatar
Laurent Aimar committed
1029
        EndThread( p_vout );
1030
        vlc_mutex_unlock( &p_vout->change_lock );
1031
        return NULL;
1032
    }
1033

1034
    /*
Sam Hocevar's avatar
Sam Hocevar committed
1035
     * Main loop - it is not executed if an error occurred during
Sam Hocevar's avatar
 
Sam Hocevar committed
1036
     * initialization
1037
     */
1038
    while( !p_vout->p->b_done && !p_vout->b_error )
1039
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
1040
        /* Initialize loop variables */
Laurent Aimar's avatar
Laurent Aimar committed
1041
        const mtime_t current_date = mdate();
1042
        picture_t *p_picture;
1043
        picture_t *p_filtered_picture;
1044
        mtime_t display_date;
Laurent Aimar's avatar
Laurent Aimar committed
1045 1046
        picture_t *p_directbuffer;
        int i_index;
Sam Hocevar's avatar
 
Sam Hocevar committed
1047

1048 1049 1050
        if( p_vout->p->b_title_show && p_vout->p->psz_title )
            DisplayTitleOnOSD( p_vout );

1051 1052
        vlc_mutex_lock( &p_vout->picture_lock );

1053 1054 1055 1056
        /* Look for the earliest picture but after the last displayed one */
        picture_t *p_last = p_vout->p->p_picture_displayed;;

        p_picture = NULL;
1057
        for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
Sam Hocevar's avatar
 
Sam Hocevar committed
1058
        {
Laurent Aimar's avatar
Laurent Aimar committed
1059 1060
            picture_t *p_pic = PP_RENDERPICTURE[i_index];

1061 1062 1063 1064 1065 1066 1067
            if( p_pic->i_status != READY_PICTURE )
                continue;

            if( p_vout->p->b_paused && p_last && p_last->date > 1 )
                continue;

            if( p_last && p_pic != p_last && p_pic->date <= p_last->date )
1068
            {
1069
                /* Drop old picture */
1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080
                vout_UsePictureLocked( p_vout, p_pic );
            }
            else if( !p_vout->p->b_paused && !p_pic->b_force && p_pic != p_last &&
                     p_pic->date < current_date + p_vout->p->render_time &&
                     b_drop_late )
            {
                /* Picture is late: it will be destroyed and the thread
                 * will directly choose the next picture */
                vout_UsePictureLocked( p_vout, p_pic );
                p_vout->p->i_picture_lost++;

basos g's avatar
basos g committed
1081 1082
                msg_Warn( p_vout, "late picture skipped (%"PRId64" > %d)",
                                  current_date - p_pic->date, - p_vout->p->render_time );
1083
            }
1084 1085
            else if( ( !p_last || p_last->date < p_pic->date ) &&
                     ( p_picture == NULL || p_pic->date < p_picture->date ) )
1086
            {
1087
                p_picture = p_pic;
1088 1089
            }
        }
1090
        if( !p_picture )
1091
        {
1092
            p_picture = p_last;
Sam Hocevar's avatar
 
Sam Hocevar committed
1093

1094 1095 1096 1097 1098 1099 1100
            if( !p_vout->p->b_picture_empty )
            {
                p_vout->p->b_picture_empty = true;
                vlc_cond_signal( &p_vout->p->picture_wait );
            }
        }

1101
        display_date = 0;
1102
        if( p_picture )
1103
        {
1104
            display_date = p_picture->date;
1105

1106
            /* If we found better than the last picture, destroy it */
1107
            if( p_last && p_picture != p_last )
1108
            {
1109
                vout_UsePictureLocked( p_vout, p_last );
1110
                p_vout->p->p_picture_displayed = p_last = NULL;
1111 1112
            }

Sam Hocevar's avatar
 
Sam Hocevar committed
1113
            /* Compute FPS rate */
1114
            p_vout->p->p_fps_sample[ p_vout->p->c_fps_samples++ % VOUT_FPS_SAMPLES ] = display_date;
Sam Hocevar's avatar
 
Sam Hocevar committed
1115

1116
            if( !p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
Sam Hocevar's avatar
 
Sam Hocevar committed
1117 1118 1119 1120 1121 1122 1123 1124
            {
                /* A picture is ready to be rendered, but its rendering date
                 * is far from the current one so the thread will perform an
                 * empty loop as if no picture were found. The picture state
                 * is unchanged */
                p_picture    = NULL;
                display_date = 0;
            }
1125
            else if( p_picture == p_last )
1126
            {
1127 1128
                /* We are asked to repeat the previous picture, but we first
                 * wait for a couple of idle loops */
1129 1130 1131 1132 1133 1134 1135
                if( i_idle_loops < 4 )
                {
                    p_picture    = NULL;
                    display_date = 0;
                }
                else
                {
1136 1137
                    /* We set the display date to something high, otherwise
                     * we'll have lots of problems with late pictures */
1138
                    display_date = current_date + p_vout->p->render_time;
1139 1140
                }
            }
1141 1142 1143 1144 1145
            else if( p_vout->p->b_paused && display_date > current_date + VOUT_DISPLAY_DELAY )
            {
                display_date = current_date + VOUT_DISPLAY_DELAY;
            }

1146
            if( p_picture )
1147 1148 1149 1150 1151 1152 1153 1154 1155 1156
            {
                if( p_picture->date > 1 )
                {
                    p_vout->p->i_picture_displayed_date = p_picture->date;
                    if( p_picture != p_last && !p_vout->p->b_picture_displayed )
                    {
                        p_vout->p->b_picture_displayed = true;
                        vlc_cond_signal( &p_vout->p->picture_wait );
                    }
                }
1157
                p_vout->p->p_picture_displayed = p_picture;
1158
            }
1159
        }
1160 1161 1162 1163 1164

        /* */
        const int i_postproc_type = p_vout->p->i_picture_qtype;
        const int i_postproc_state = (p_vout->p->i_picture_qtype != QTYPE_NONE) - (i_picture_qtype_last != QTYPE_NONE);

1165
        vlc_mutex_unlock( &p_vout->picture_lock );
1166 1167 1168

        if( p_picture == NULL )
            i_idle_loops++;
1169

1170
        p_filtered_picture = NULL;
1171
        if( p_picture )
1172
            p_filtered_picture = filter_chain_VideoFilter( p_vout->p->p_vf2_chain,
1173
                                                           p_picture );
1174

1175 1176 1177 1178 1179 1180 1181
        bool b_snapshot = false;
        if( vlc_mutex_trylock( &p_vout->p->snapshot.lock ) == 0 )
        {
             b_snapshot = p_vout->p->snapshot.i_request > 0
                       && p_picture != NULL;
             vlc_mutex_unlock( &p_vout->p->snapshot.lock );
        }
1182

Sam Hocevar's avatar
 
Sam Hocevar committed
1183 1184 1185
        /*
         * Check for subpictures to display
         */
1186
        subpicture_t *p_subpic = NULL;
1187
        if( display_date > 0 )
Laurent Aimar's avatar
Laurent Aimar committed
1188 1189
            p_subpic = spu_SortSubpictures( p_vout->p_spu, display_date,
                                            p_vout->p->b_paused, b_snapshot );
1190

Sam Hocevar's avatar
 
Sam Hocevar committed
1191 1192 1193
        /*
         * Perform rendering
         */
1194
        p_vout->p->i_picture_displayed++;
Laurent Aimar's avatar
Laurent Aimar committed
1195 1196
        p_directbuffer = vout_RenderPicture( p_vout, p_filtered_picture,
                                             p_subpic, p_vout->p->b_paused );
Sam Hocevar's avatar
 
Sam Hocevar committed
1197

1198 1199 1200 1201
        /*
         * Take a snapshot if requested
         */
        if( p_directbuffer && b_snapshot )
1202
        {
1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221
            vlc_mutex_lock( &p_vout->p->snapshot.lock );
            assert( p_vout->p->snapshot.i_request > 0 );
            while( p_vout->p->snapshot.i_request > 0 )
            {
                picture_t *p_pic = picture_New( p_vout->fmt_out.i_chroma,
                                                p_vout->fmt_out.i_width,
                                                p_vout->fmt_out.i_height,
                                                p_vout->fmt_out.i_aspect  );
                if( !p_pic )
                    break;

                picture_Copy( p_pic, p_directbuffer );

                p_pic->p_next = p_vout->p->snapshot.p_picture;
                p_vout->p->snapshot.p_picture = p_pic;
                p_vout->p->snapshot.i_request--;
            }
            vlc_cond_broadcast( &p_vout->p->snapshot.wait );
            vlc_mutex_unlock( &p_vout->p->snapshot.lock );
1222
        }
1223

Sam Hocevar's avatar
 
Sam Hocevar committed
1224
        /*
1225
         * Call the plugin-specific rendering method if there is one
Sam Hocevar's avatar
 
Sam Hocevar committed
1226
         */
1227
        if( p_filtered_picture != NULL && p_directbuffer != NULL && p_vout->pf_render )
Sam Hocevar's avatar
 
Sam Hocevar committed
1228 1229 1230 1231 1232
        {
            /* Render the direct buffer returned by vout_RenderPicture */
            p_vout->pf_render( p_vout, p_directbuffer );
        }

Sam Hocevar's avatar
 
Sam Hocevar committed
1233 1234 1235
        /*
         * Sleep, wake up
         */
Gildas Bazin's avatar
 
Gildas Bazin committed
1236
        if( display_date != 0 && p_directbuffer != NULL )
1237
        {
1238 1239
            mtime_t current_render_time = mdate() - current_date;
            /* if render time is very large we don't include it in the mean */
1240
            if( current_render_time < p_vout->p->render_time +
1241 1242 1243 1244
                VOUT_DISPLAY_DELAY )
            {
                /* Store render time using a sliding mean weighting to
                 * current value in a 3 to 1 ratio*/
1245 1246 1247
                p_vout->p->render_time *= 3;
                p_vout->p->render_time += current_render_time;
                p_vout->p->render_time >>= 2;
1248
            }
basos g's avatar
basos g committed
1249 1250 1251
            else
                msg_Dbg( p_vout, "skipped big render time %d > %d", (int) current_render_time,
                 (int) (p_vout->p->render_time +VOUT_DISPLAY_DELAY ) ) ;
1252 1253
        }

Sam Hocevar's avatar
 
Sam Hocevar committed
1254 1255 1256 1257
        /* Give back change lock */
        vlc_mutex_unlock( &p_vout->change_lock );

        /* Sleep a while or until a given date */
Gildas Bazin's avatar
 
Gildas Bazin committed
1258
        if( display_date != 0 )
1259
        {
1260
            /* If there are *vout* filters in the chain, better give them the picture
Gildas Bazin's avatar
 
Gildas Bazin committed
1261
             * in advance */
1262
            if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
Gildas Bazin's avatar
 
Gildas Bazin committed
1263 1264 1265
            {
                mwait( display_date - VOUT_MWAIT_TOLERANCE );
            }
1266 1267 1268
        }
        else
        {
Pierre Ynard's avatar
Pierre Ynard committed
1269
            /* Wait until a frame is being sent or a spurious wakeup (not a problem here) */
1270 1271 1272
            vlc_mutex_lock( &p_vout->picture_lock );
            vlc_cond_timedwait( &p_vout->p->picture_wait, &p_vout->picture_lock, current_date + VOUT_IDLE_SLEEP );
            vlc_mutex_unlock( &p_vout->picture_lock );
1273
        }
1274

Sam Hocevar's avatar
 
Sam Hocevar committed
1275 1276
        /* On awakening, take back lock and send immediately picture
         * to display. */
1277
        /* Note: p_vout->p->b_done could be true here and now */
Sam Hocevar's avatar
 
Sam Hocevar committed
1278 1279 1280 1281 1282
        vlc_mutex_lock( &p_vout->change_lock );

        /*
         * Display the previously rendered picture
         */
1283
        if( p_filtered_picture != NULL && p_directbuffer != NULL )
Sam Hocevar's avatar
 
Sam Hocevar committed
1284 1285
        {
            /* Display the direct buffer returned by vout_RenderPicture */
1286 1287
            if( p_vout->pf_display )
                p_vout->pf_display( p_vout, p_directbuffer );
Vincent Seguin's avatar
Vincent Seguin committed
1288

1289 1290
            /* Tell the vout this was the last picture and that it does not
             * need to be forced anymore. */
1291
            p_picture->b_force = false;
Sam Hocevar's avatar
 
Sam Hocevar committed
1292
        }
Vincent Seguin's avatar
Vincent Seguin committed
1293

1294 1295
        /* Drop the filtered picture if created by video filters */
        if( p_filtered_picture != NULL && p_filtered_picture != p_picture )
1296 1297 1298 1299 1300
        {
            vlc_mutex_lock( &p_vout->picture_lock );
            vout_UsePictureLocked( p_vout, p_filtered_picture );
            vlc_mutex_unlock( &p_vout->picture_lock );
        }
1301

1302 1303 1304 1305 1306 1307
        if( p_picture != NULL )
        {
            /* Reinitialize idle loop count */
            i_idle_loops = 0;
        }

Sam Hocevar's avatar
 
Sam Hocevar committed
1308 1309 1310
        /*
         * Check events and manage thread
         */
1311
        if( p_vout->pf_manage && p_vout->pf_manage( p_vout ) )
Sam Hocevar's avatar
 
Sam Hocevar committed
1312
        {
Sam Hocevar's avatar
Sam Hocevar committed
1313
            /* A fatal error occurred, and the thread must terminate
Gildas Bazin's avatar
 
Gildas Bazin committed
1314 1315
             * immediately, without displaying anything - setting b_error to 1
             * causes the immediate end of the main while() loop. */
1316
            // FIXME pf_end
Sam Hocevar's avatar
 
Sam Hocevar committed
1317
            p_vout->b_error = 1;
Laurent Aimar's avatar
Laurent Aimar committed
1318
            break;
Sam Hocevar's avatar
 
Sam Hocevar committed
1319
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
1320

1321 1322 1323 1324 1325 1326 1327 1328
        while( p_vout->i_changes & VOUT_ON_TOP_CHANGE )
        {
            p_vout->i_changes &= ~VOUT_ON_TOP_CHANGE;
            vlc_mutex_unlock( &p_vout->change_lock );
            vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, p_vout->b_on_top );
            vlc_mutex_lock( &p_vout->change_lock );
        }

Gildas Bazin's avatar
 
Gildas Bazin committed
1329 1330 1331 1332 1333 1334 1335 1336 1337 1338
        if( p_vout->i_changes & VOUT_SIZE_CHANGE )
        {
            /* this must only happen when the vout plugin is incapable of
             * rescaling the picture itself. In this case we need to destroy
             * the current picture buffers and recreate new ones with the right
             * dimensions */
            int i;

            p_vout->i_changes &= ~VOUT_SIZE_CHANGE;

1339
            assert( !p_vout->p->b_direct );
Laurent Aimar's avatar
Laurent Aimar committed
1340 1341 1342 1343 1344

            ChromaDestroy( p_vout );

            vlc_mutex_lock( &p_vout->picture_lock );

Gildas Bazin's avatar
 
Gildas Bazin committed
1345
            p_vout->pf_end( p_vout );
Laurent Aimar's avatar
Laurent Aimar committed
1346

1347
            p_vout->p->p_picture_displayed = NULL;
Gildas Bazin's avatar
 
Gildas Bazin committed
1348 1349
            for( i = 0; i < I_OUTPUTPICTURES; i++ )
                 p_vout->p_picture[ i ].i_status = FREE_PICTURE;
1350
            vlc_cond_signal( &p_vout->p->picture_wait );
Gildas Bazin's avatar
 
Gildas Bazin committed
1351 1352

            I_OUTPUTPICTURES = 0;
Laurent Aimar's avatar
Laurent Aimar committed
1353

Gildas Bazin's avatar
 
Gildas Bazin committed
1354 1355
            if( p_vout->pf_init( p_vout ) )
            {
1356
                msg_Err( p_vout, "cannot resize display" );
1357
                /* FIXME: pf_end will be called again in EndThread() */
Gildas Bazin's avatar
 
Gildas Bazin committed
1358 1359 1360
                p_vout->b_error = 1;
            }

Laurent Aimar's avatar
Laurent Aimar committed
1361 1362
            vlc_mutex_unlock( &p_vout->picture_lock );

1363 1364 1365 1366
            /* Need to reinitialise the chroma plugin. Since we might need
             * resizing too and it's not sure that we already had it,
             * recreate the chroma plugin chain from scratch. */
            /* dionoea */
Laurent Aimar's avatar
Laurent Aimar committed
1367
            if( ChromaCreate( p_vout ) )
1368
            {
Laurent Aimar's avatar
Laurent Aimar committed
1369 1370
                msg_Err( p_vout, "WOW THIS SUCKS BIG TIME!!!!!" );
                p_vout->b_error = 1;
1371
            }
Laurent Aimar's avatar
Laurent Aimar committed
1372 1373
            if( p_vout->b_error )
                break;
Gildas Bazin's avatar
 
Gildas Bazin committed
1374
        }
1375 1376 1377 1378 1379 1380 1381 1382 1383 1384

        if( p_vout->i_changes & VOUT_PICTURE_BUFFERS_CHANGE )
        {
            /* This happens when the picture buffers need to be recreated.
             * This is useful on multimonitor displays for instance.
             *
             * Warning: This only works when the vout creates only 1 picture
             * buffer!! */
            p_vout->i_changes &= ~VOUT_PICTURE_BUFFERS_CHANGE;

1385
            if( !p_vout->p->b_direct )
1386
                ChromaDestroy( p_vout );
1387 1388 1389 1390 1391 1392 1393 1394

            vlc_mutex_lock( &p_vout->picture_lock );

            p_vout->pf_end( p_vout );

            I_OUTPUTPICTURES = I_RENDERPICTURES = 0;

            p_vout->b_error = InitThread( p_vout );
Laurent Aimar's avatar
Laurent Aimar committed
1395
            if( p_vout->b_error )
1396
                msg_Err( p_vout, "InitThread after VOUT_PICTURE_BUFFERS_CHANGE failed" );
1397

1398
            vlc_cond_signal( &p_vout->p->picture_wait );
1399
            vlc_mutex_unlock( &p_vout->picture_lock );
Laurent Aimar's avatar
Laurent Aimar committed
1400 1401 1402

            if( p_vout->b_error )
                break;
1403
        }
1404

1405 1406 1407 1408 1409 1410 1411 1412
        /* Post processing */
        if( i_postproc_state == 1 )
            PostProcessEnable( p_vout );
        else if( i_postproc_state == -1 )
            PostProcessDisable( p_vout );
        if( i_postproc_state != 0 )
            i_picture_qtype_last = i_postproc_type;

1413
        /* Check for "video filter2" changes */
1414 1415
        vlc_mutex_lock( &p_vout->p->vfilter_lock );
        if( p_vout->p->psz_vf2 )
1416 1417 1418 1419 1420
        {
            es_format_t fmt;

            es_format_Init( &fmt, VIDEO_ES, p_vout->fmt_render.i_chroma );
            fmt.video = p_vout->fmt_render;
1421
            filter_chain_Reset( p_vout->p->p_vf2_chain, &fmt, &fmt );
1422

1423 1424
            if( filter_chain_AppendFromString( p_vout->p->p_vf2_chain,
                                               p_vout->p->psz_vf2 ) < 0 )
1425 1426
                msg_Err( p_vout, "Video filter chain creation failed" );

1427 1428
            free( p_vout->p->psz_vf2 );
            p_vout->p->psz_vf2 = NULL;
1429 1430 1431

            if( i_picture_qtype_last != QTYPE_NONE )
                PostProcessSetFilterQuality( p_vout );
1432
        }
1433
        vlc_mutex_unlock( &p_vout->p->vfilter_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
1434
    }
Vincent Seguin's avatar
Vincent Seguin committed
1435

Sam Hocevar's avatar
 
Sam Hocevar committed
1436 1437 1438 1439 1440
    /*
     * Error loop - wait until the thread destruction is requested
     */
    if( p_vout->b_error )
        ErrorThread( p_vout );
Michel Kaempf's avatar
Michel Kaempf committed
1441

Sam Hocevar's avatar
 
Sam Hocevar committed
1442
    /* End of thread */
Laurent Aimar's avatar
Laurent Aimar committed
1443
    CleanThread( p_vout );
Sam Hocevar's avatar
 
Sam Hocevar committed
1444
    EndThread( p_vout );
1445 1446
    vlc_mutex_unlock( &p_vout->change_lock );

1447
    return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
1448 1449
}

1450
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
1451
 * ErrorThread: RunThread() error loop
1452
 *****************************************************************************
Sam Hocevar's avatar
Sam Hocevar committed
1453 1454 1455
 * This function is called when an error occurred during thread main's loop.
 * The thread can still receive feed, but must be ready to terminate as soon
 * as possible.
1456
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
1457
static void ErrorThread( vout_thread_t *p_vout )
1458
{
1459 1460 1461
    /* Wait until a `close' order */
    while( !p_vout->p->b_done )
        vlc_cond_wait( &p_vout->p->change_wait, &p_vout->change_lock );
1462 1463
}

1464
/*****************************************************************************
Laurent Aimar's avatar
Laurent Aimar committed
1465
 * CleanThread: clean up after InitThread
1466
 *****************************************************************************
Laurent Aimar's avatar
Laurent Aimar committed
1467
 * This function is called after a sucessful
Derk-Jan Hartman's avatar
-  
Derk-Jan Hartman committed
1468
 * initialization. It frees all resources allocated by InitThread.
1469
 * XXX You have to enter it with change_lock taken.
1470
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
1471
static void CleanThread( vout_thread_t *p_vout )
Michel Kaempf's avatar
Michel Kaempf committed
1472
{
Sam Hocevar's avatar
 
Sam Hocevar committed
1473
    int     i_index;                                        /* index in heap */
Michel Kaempf's avatar
Michel Kaempf committed
1474

1475
    if( !p_vout->p->b_direct )
1476
        ChromaDestroy( p_vout );
Clément Stenac's avatar
Clément Stenac committed
1477

Sam Hocevar's avatar
 
Sam Hocevar committed
1478
    /* Destroy all remaining pictures */
1479
    for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++ )
Vincent Seguin's avatar
Vincent Seguin committed
1480
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
1481
        if ( p_vout->p_picture[i_index].i_type == MEMORY_PICTURE )
Michel Kaempf's avatar
Michel Kaempf committed
1482
        {
Gildas Bazin's avatar
 
Gildas Bazin committed
1483
            free( p_vout->p_picture[i_index].p_data_orig );
Michel Kaempf's avatar
Michel Kaempf committed
1484
        }
Sam Hocevar's avatar
 
Sam Hocevar committed
1485
    }
Michel Kaempf's avatar
Michel Kaempf committed
1486

Laurent Aimar's avatar
Laurent Aimar committed
1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510
    /* Destroy translation tables */
    if( !p_vout->b_error )
        p_vout->pf_end( p_vout );
}

/*****************************************************************************
 * EndThread: thread destruction
 *****************************************************************************
 * This function is called when the thread ends.
 * It frees all resources not allocated by InitThread.
 * XXX You have to enter it with change_lock taken.
 *****************************************************************************/
static void EndThread( vout_thread_t *p_vout )
{
#ifdef STATS
    {
        struct tms cpu_usage;
        times( &cpu_usage );

        msg_Dbg( p_vout, "cpu usage (user: %d, system: %d)",
                 cpu_usage.tms_utime, cpu_usage.tms_stime );
    }
#endif

1511 1512
    /* FIXME does that function *really* need to be called inside the thread ? */

Laurent Aimar's avatar
Laurent Aimar committed
1513
    /* Detach subpicture unit from both input and vout */
1514
    spu_Attach( p_vout->p_spu, VLC_OBJECT(p_vout), false );
Laurent Aimar's avatar
Laurent Aimar committed
1515
    vlc_object_detach( p_vout->p_spu );
Clément Stenac's avatar
Clément Stenac committed
1516

1517
    /* Destroy the video filters2 */
1518
    filter_chain_Delete( p_vout->p->p_vf2_chain );
Michel Kaempf's avatar
Michel Kaempf committed
1519 1520
}

1521 1522 1523 1524 1525 1526 1527 1528 1529 1530
/* Thread helpers */
static picture_t *ChromaGetPicture( filter_t *p_filter )
{
    picture_t *p_pic = (picture_t *)p_filter->p_owner;
    p_filter->p_owner = NULL;
    return p_pic;
}

static int ChromaCreate( vout_thread_t *p_vout )
{
1531
    static const char typename[] = "chroma";
1532 1533 1534
    filter_t *p_chroma;

    /* Choose the best module */
1535
    p_chroma = p_vout->p->p_chroma =
1536 1537
        vlc_custom_create( p_vout, sizeof(filter_t), VLC_OBJECT_GENERIC,
                           typename );
1538 1539 1540 1541 1542 1543

    vlc_object_attach( p_chroma, p_vout );

    /* TODO: Set the fmt_in and fmt_out stuff here */
    p_chroma->fmt_in.video = p_vout->fmt_render;
    p_chroma->fmt_out.video = p_vout->fmt_out;
1544 1545
    VideoFormatImportRgb( &p_chroma->fmt_in.video, &p_vout->render );
    VideoFormatImportRgb( &p_chroma->fmt_out.video, &p_vout->output );
1546

1547
    p_chroma->p_module = module_need( p_chroma, "video filter2", NULL, false );
1548 1549 1550

    if( p_chroma->p_module == NULL )
    {
1551
        msg_Err( p_vout, "no chroma module for %4.4s to %4.4s i=%dx%d o=%dx%d",
1552
                 (char*)&p_vout->render.i_chroma,
1553 1554 1555 1556
                 (char*)&p_vout->output.i_chroma,
                 p_chroma->fmt_in.video.i_width, p_chroma->fmt_in.video.i_height,
                 p_chroma->fmt_out.video.i_width, p_chroma->fmt_out.video.i_height
                 );
1557

1558 1559 1560
        vlc_object_release( p_vout->p->p_chroma );
        p_vout->p->p_chroma = NULL;

1561 1562 1563 1564 1565
        return VLC_EGENERIC;
    }
    p_chroma->pf_vout_buffer_new = ChromaGetPicture;
    return VLC_SUCCESS;
}
1566

1567 1568
static void ChromaDestroy( vout_thread_t *p_vout )
{
1569
    assert( !p_vout->p->b_direct );
1570

1571
    if( !p_vout->p->p_chroma )
1572
        return;
1573

1574 1575 1576
    module_unneed( p_vout->p->p_chroma, p_vout->p->p_chroma->p_module );
    vlc_object_release( p_vout->p->p_chroma );
    p_vout->p->p_chroma = NULL;
1577 1578
}

Sam Hocevar's avatar
 
Sam Hocevar committed
1579
/* following functions are local */
Sam Hocevar's avatar
 
Sam Hocevar committed
1580 1581 1582 1583
static int ReduceHeight( int i_ratio )
{
    int i_dummy = VOUT_ASPECT_FACTOR;
    int i_pgcd  = 1;
Clément Stenac's avatar
Clément Stenac committed
1584

Sam Hocevar's avatar
 
Sam Hocevar committed
1585 1586 1587 1588 1589
    if( !i_ratio )
    {
        return i_pgcd;
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
1590 1591 1592 1593 1594 1595 1596 1597
    /* VOUT_ASPECT_FACTOR is (2^7 * 3^3 * 5^3), we just check for 2, 3 and 5 */
    while( !(i_ratio & 1) && !(i_dummy & 1) )
    {
        i_ratio >>= 1;
        i_dummy >>= 1;
        i_pgcd  <<= 1;
    }

1598
    while( !(i_ratio % 3) && !(i_dummy % 3) )
Sam Hocevar's avatar
 
Sam Hocevar committed
1599 1600 1601 1602 1603 1604
    {
        i_ratio /= 3;
        i_dummy /= 3;
        i_pgcd  *= 3;
    }

1605
    while( !(i_ratio % 5) && !(i_dummy % 5) )
Sam Hocevar's avatar
 
Sam Hocevar committed
1606 1607 1608 1609 1610 1611 1612 1613 1614
    {
        i_ratio /= 5;
        i_dummy /= 5;
        i_pgcd  *= 5;
    }

    return i_pgcd;
}

1615 1616 1617 1618 1619 1620 1621
static void AspectRatio( int i_aspect, int *i_aspect_x, int *i_aspect_y )
{
    unsigned int i_pgcd = ReduceHeight( i_aspect );
    *i_aspect_x = i_aspect / i_pgcd;
    *i_aspect_y = VOUT_ASPECT_FACTOR / i_pgcd;
}

1622 1623 1624 1625
/**
 * This function copies all RGB informations from a picture_heap_t into
 * a video_format_t
 */
Laurent Aimar's avatar
Laurent Aimar committed
1626
static void VideoFormatImportRgb( video_format_t *p_fmt, const picture_heap_t *p_heap )
1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638
{
    p_fmt->i_rmask = p_heap->i_rmask;
    p_fmt->i_gmask = p_heap->i_gmask;
    p_fmt->i_bmask = p_heap->i_bmask;
    p_fmt->i_rrshift = p_heap->i_rrshift;
    p_fmt->i_lrshift = p_heap->i_lrshift;
    p_fmt->i_rgshift = p_heap->i_rgshift;
    p_fmt->i_lgshift = p_heap->i_lgshift;
    p_fmt->i_rbshift = p_heap->i_rbshift;
    p_fmt->i_lbshift = p_heap->i_lbshift;
}

Laurent Aimar's avatar
Laurent Aimar committed
1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655
/**
 * This funtion copes all RGB informations from a video_format_t into
 * a picture_heap_t
 */
static void VideoFormatExportRgb( const video_format_t *p_fmt, picture_heap_t *p_heap )
{
    p_heap->i_rmask = p_fmt->i_rmask;
    p_heap->i_gmask = p_fmt->i_gmask;
    p_heap->i_bmask = p_fmt->i_bmask;
    p_heap->i_rrshift = p_fmt->i_rrshift;
    p_heap->i_lrshift = p_fmt->i_lrshift;
    p_heap->i_rgshift = p_fmt->i_rgshift;
    p_heap->i_lgshift = p_fmt->i_lgshift;
    p_heap->i_rbshift = p_fmt->i_rbshift;
    p_heap->i_lbshift = p_fmt->i_lbshift;
}

1656 1657 1658 1659 1660
/**
 * This function computes rgb shifts from masks
 */
static void PictureHeapFixRgb( picture_heap_t *p_heap )
{
Laurent Aimar's avatar
Laurent Aimar committed
1661 1662 1663 1664 1665 1666 1667 1668 1669 1670
    video_format_t fmt;

    /* */
    fmt.i_chroma = p_heap->i_chroma;
    VideoFormatImportRgb( &fmt, p_heap );

    /* */
    video_format_FixRgb( &fmt );

    VideoFormatExportRgb( &fmt, p_heap );
1671 1672
}

Gildas Bazin's avatar
 
Gildas Bazin committed
1673 1674 1675 1676
/*****************************************************************************
 * object variables callbacks: a bunch of object variables are used by the
 * interfaces to interact with the vout.
 *****************************************************************************/
1677 1678 1679 1680 1681
static int FilterCallback( vlc_object_t *p_this, char const *psz_cmd,
                       vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    vout_thread_t *p_vout = (vout_thread_t *)p_this;
    input_thread_t *p_input;
1682
    (void)psz_cmd; (void)oldval; (void)p_data;
1683 1684 1685 1686 1687 1688

    p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
                                                 FIND_PARENT );
    if (!p_input)
    {
        msg_Err( p_vout, "Input not found" );
1689
        return VLC_EGENERIC;
1690
    }
1691

1692
    var_SetBool( p_vout, "intf-change", true );
1693

1694
    /* Modify input as well because the vout might have to be restarted */
1695
    var_Create( p_input, "vout-filter", VLC_VAR_STRING );
1696
    var_SetString( p_input, "vout-filter", newval.psz_string );
1697

1698
    /* Now restart current video stream */
1699
    input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
1700
    vlc_object_release( p_input );
1701

1702 1703
    return VLC_SUCCESS;
}
1704 1705 1706 1707 1708 1709 1710 1711

/*****************************************************************************
 * Video Filter2 stuff
 *****************************************************************************/
static int VideoFilter2Callback( vlc_object_t *p_this, char const *psz_cmd,
                       vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    vout_thread_t *p_vout = (vout_thread_t *)p_this;
1712
    (void)psz_cmd; (void)oldval; (void)p_data;
1713

1714 1715 1716
    vlc_mutex_lock( &p_vout->p->vfilter_lock );
    p_vout->p->psz_vf2 = strdup( newval.psz_string );
    vlc_mutex_unlock( &p_vout->p->vfilter_lock );
1717 1718 1719 1720

    return VLC_SUCCESS;
}

1721 1722 1723 1724 1725
/*****************************************************************************
 * Post-processing
 *****************************************************************************/
static bool PostProcessIsPresent( const char *psz_filter )
{
1726 1727
    const char  *psz_pp = "postproc";
    const size_t i_pp = strlen(psz_pp);
1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770
    return psz_filter &&
           !strncmp( psz_filter, psz_pp, strlen(psz_pp) ) &&
           ( psz_filter[i_pp] == '\0' || psz_filter[i_pp] == ':' );
}

static int PostProcessCallback( vlc_object_t *p_this, char const *psz_cmd,
                                vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    vout_thread_t *p_vout = (vout_thread_t *)p_this;
    VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);

    static const char *psz_pp = "postproc";

    char *psz_vf2 = var_GetString( p_vout, "video-filter" );

    if( newval.i_int <= 0 )
    {
        if( PostProcessIsPresent( psz_vf2 ) )
        {
            strcpy( psz_vf2, &psz_vf2[strlen(psz_pp)] );
            if( *psz_vf2 == ':' )
                strcpy( psz_vf2, &psz_vf2[1] );
        }
    }
    else
    {
        if( !PostProcessIsPresent( psz_vf2 ) )
        {
            if( psz_vf2 )
            {
                char *psz_tmp = psz_vf2;
                if( asprintf( &psz_vf2, "%s:%s", psz_pp, psz_tmp ) < 0 )
                    psz_vf2 = psz_tmp;
                else
                    free( psz_tmp );
            }
            else
            {
                psz_vf2 = strdup( psz_pp );
            }
        }
    }
    if( psz_vf2 )
1771
    {
1772
        var_SetString( p_vout, "video-filter", psz_vf2 );
1773 1774
        free( psz_vf2 );
    }
1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823

    return VLC_SUCCESS;
}
static void PostProcessEnable( vout_thread_t *p_vout )
{
    msg_Dbg( p_vout, "Post-processing available" );
    var_Create( p_vout, "postprocess", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
    for( int i = 0; i <= 6; i++ )
    {
        vlc_value_t val;
        vlc_value_t text;
        char psz_text[1+1];

        val.i_int = i;
        snprintf( psz_text, sizeof(psz_text), "%d", i );
        if( i == 0 )
            text.psz_string = _("Disable");
        else
            text.psz_string = psz_text;
        var_Change( p_vout, "postprocess", VLC_VAR_ADDCHOICE, &val, &text );
    }
    var_AddCallback( p_vout, "postprocess", PostProcessCallback, NULL );

    /* */
    char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" );
    int i_postproc_q = 0;
    if( PostProcessIsPresent( psz_filter ) )
        i_postproc_q = var_CreateGetInteger( p_vout, "postproc-q" );

    var_SetInteger( p_vout, "postprocess", i_postproc_q );

    free( psz_filter );
}
static void PostProcessDisable( vout_thread_t *p_vout )
{
    msg_Dbg( p_vout, "Post-processing no more available" );
    var_Destroy( p_vout, "postprocess" );
}
static void PostProcessSetFilterQuality( vout_thread_t *p_vout )
{
    vlc_object_t *p_pp = vlc_object_find_name( p_vout, "postproc", FIND_CHILD );
    if( !p_pp )
        return;

    var_SetInteger( p_pp, "postproc-q", var_GetInteger( p_vout, "postprocess" ) );
    vlc_object_release( p_pp );
}


1824 1825
static void DisplayTitleOnOSD( vout_thread_t *p_vout )
{
1826 1827
    const mtime_t i_start = mdate();
    const mtime_t i_stop = i_start + INT64_C(1000) * p_vout->p->i_title_timeout;
1828

1829
    vlc_assert_locked( &p_vout->change_lock );
1830

1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842
    vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN,
                           p_vout->p->psz_title, NULL,
                           p_vout->p->i_title_position,
                           30 + p_vout->fmt_in.i_width
                              - p_vout->fmt_in.i_visible_width
                              - p_vout->fmt_in.i_x_offset,
                           20 + p_vout->fmt_in.i_y_offset,
                           i_start, i_stop );

    free( p_vout->p->psz_title );

    p_vout->p->psz_title = NULL;
1843
}
Jean-Paul Saman's avatar
Jean-Paul Saman committed
1844

1845 1846 1847
/*****************************************************************************
 * Deinterlacing
 *****************************************************************************/
1848
typedef struct
1849
{
1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873
    const char *psz_mode;
    const char *psz_description;
    bool       b_vout_filter;
} deinterlace_mode_t;

/* XXX
 * You can use the non vout filter if and only if the video properties stay the
 * same (width/height/chroma/fps), at least for now.
 */
static const deinterlace_mode_t p_deinterlace_mode[] = {
    { "",           "Disable",  false },
    { "discard",    "Discard",  true },
    { "blend",      "Blend",    false },
    { "mean",       "Mean",     true  },
    { "bob",        "Bob",      true },
    { "linear",     "Linear",   true },
    { "x",          "X",        false },
    { NULL, NULL, true }
};

static char *FilterFind( char *psz_filter_base, const char *psz_module )
{
    const size_t i_module = strlen( psz_module );
    const char *psz_filter = psz_filter_base;
1874

1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898
    if( !psz_filter || i_module <= 0 )
        return NULL;

    for( ;; )
    {
        char *psz_find = strstr( psz_filter, psz_module );
        if( !psz_find )
            return NULL;
        if( psz_find[i_module] == '\0' || psz_find[i_module] == ':' )
            return psz_find;
        psz_filter = &psz_find[i_module];
    }
}

static bool DeinterlaceIsPresent( vout_thread_t *p_vout, bool b_vout_filter )
{
    char *psz_filter = var_GetNonEmptyString( p_vout, b_vout_filter ? "vout-filter" : "video-filter" );

    bool b_found = FilterFind( psz_filter, "deinterlace" ) != NULL;

    free( psz_filter );

    return b_found;
}
1899

1900 1901 1902 1903
static void DeinterlaceRemove( vout_thread_t *p_vout, bool b_vout_filter )
{
    const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";
    char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );
1904

1905 1906
    char *psz = FilterFind( psz_filter, "deinterlace" );
    if( !psz )
1907
    {
1908 1909
        free( psz_filter );
        return;
1910
    }
1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926

    /* */
    strcpy( &psz[0], &psz[strlen("deinterlace")] );
    if( *psz == ':' )
        strcpy( &psz[0], &psz[1] );

    var_SetString( p_vout, psz_variable, psz_filter );
    free( psz_filter );
}
static void DeinterlaceAdd( vout_thread_t *p_vout, bool b_vout_filter )
{
    const char *psz_variable = b_vout_filter ? "vout-filter" : "video-filter";

    char *psz_filter = var_GetNonEmptyString( p_vout, psz_variable );

    if( FilterFind( psz_filter, "deinterlace" ) )
1927
    {
1928 1929
        free( psz_filter );
        return;
1930 1931
    }

1932 1933
    /* */
    if( psz_filter )
1934
    {
1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
        char *psz_tmp = psz_filter;
        if( asprintf( &psz_filter, "%s:%s", psz_tmp, "deinterlace" ) < 0 )
            psz_filter = psz_tmp;
        else
            free( psz_tmp );
    }
    else
    {
        psz_filter = strdup( "deinterlace" );
    }

    if( psz_filter )
    {
        var_SetString( p_vout, psz_variable, psz_filter );
1949
        free( psz_filter );
1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
    }
}

static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd,
                                vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    vout_thread_t *p_vout = (vout_thread_t *)p_this;

    /* */
    const deinterlace_mode_t *p_mode;
    for( p_mode = &p_deinterlace_mode[0]; p_mode->psz_mode; p_mode++ )
    {
        if( !strcmp( p_mode->psz_mode, newval.psz_string ?: "" ) )
            break;
    }
    if( !p_mode->psz_mode )
    {
        msg_Err( p_this, "Invalid value (%s) ignored", newval.psz_string );
1968 1969 1970
        return VLC_EGENERIC;
    }

1971 1972 1973 1974 1975
    /* We have to set input variable to ensure restart support
     * XXX it is only needed because of vout-filter but must be done
     * for non video filter anyway */
    input_thread_t *p_input = (input_thread_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
    if( p_input )
1976
    {
1977 1978 1979
        var_Create( p_input, "vout-deinterlace", VLC_VAR_STRING );
        var_SetString( p_input, "vout-deinterlace", p_mode->psz_mode );

1980
        var_Create( p_input, "deinterlace-mode", VLC_VAR_STRING );
1981 1982 1983 1984 1985 1986
        var_SetString( p_input, "deinterlace-mode", p_mode->psz_mode );

        var_Create( p_input, "sout-deinterlace-mode", VLC_VAR_STRING );
        var_SetString( p_input, "sout-deinterlace-mode", p_mode->psz_mode );

        vlc_object_release( p_input );
1987 1988
    }

1989
    char *psz_old;
1990

1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
    if( p_mode->b_vout_filter )
    {
        psz_old = var_CreateGetString( p_vout, "deinterlace-mode" );
    }
    else
    {
        psz_old = var_CreateGetString( p_vout, "sout-deinterlace-mode" );
        var_SetString( p_vout, "sout-deinterlace-mode", p_mode->psz_mode );
    }

    /* */
    if( !strcmp( p_mode->psz_mode, "" ) )
    {
        DeinterlaceRemove( p_vout, false );
        DeinterlaceRemove( p_vout, true );
    }
    else if( !DeinterlaceIsPresent( p_vout, p_mode->b_vout_filter ) )
    {
        DeinterlaceRemove( p_vout, !p_mode->b_vout_filter );
        DeinterlaceAdd( p_vout, p_mode->b_vout_filter );
    }
    else
    {
        DeinterlaceRemove( p_vout, !p_mode->b_vout_filter );
        if( psz_old && strcmp( psz_old, p_mode->psz_mode ) )
            var_TriggerCallback( p_vout, p_mode->b_vout_filter ? "vout-filter" : "video-filter" );
    }
    free( psz_old );
2019

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
2020
    (void)psz_cmd; (void) oldval; (void) p_data;
2021 2022 2023 2024 2025 2026 2027
    return VLC_SUCCESS;
}

static void DeinterlaceEnable( vout_thread_t *p_vout )
{
    vlc_value_t val, text;

2028 2029 2030
    if( !p_vout->p->b_first_vout )
        return;

2031 2032
    msg_Dbg( p_vout, "Deinterlacing available" );

2033
    /* Create the configuration variable */
2034 2035 2036 2037
    var_Create( p_vout, "deinterlace", VLC_VAR_STRING | VLC_VAR_HASCHOICE );
    text.psz_string = _("Deinterlace");
    var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL );

2038
    for( int i = 0; p_deinterlace_mode[i].psz_mode; i++ )
2039
    {
2040
        val.psz_string  = (char*)p_deinterlace_mode[i].psz_mode;
2041
        text.psz_string = (char*)vlc_gettext(p_deinterlace_mode[i].psz_description);
2042 2043
        var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
    }
2044
    var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );
2045

2046 2047 2048 2049 2050
    /* */
    char *psz_mode = NULL;
    if( var_Type( p_vout, "vout-deinterlace" ) != 0 )
        psz_mode = var_CreateGetNonEmptyString( p_vout, "vout-deinterlace" );
    if( !psz_mode )
2051
    {
2052 2053 2054 2055 2056
        /* Get the initial value */
        if( DeinterlaceIsPresent( p_vout, true ) )
            psz_mode = var_CreateGetNonEmptyString( p_vout, "deinterlace-mode" );
        else if( DeinterlaceIsPresent( p_vout, false ) )
            psz_mode = var_CreateGetNonEmptyString( p_vout, "sout-deinterlace-mode" );
2057
    }
2058 2059
    var_SetString( p_vout, "deinterlace", psz_mode ?: "" );
    free( psz_mode );
2060 2061
}