video_output.c 55.2 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.
Sam Hocevar's avatar
Sam Hocevar committed
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         ( vlc_object_t *  );
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 */
Gildas Bazin's avatar
 
Gildas Bazin committed
82 83
static int DeinterlaceCallback( vlc_object_t *, char const *,
                                vlc_value_t, vlc_value_t, void * );
84 85
static int FilterCallback( vlc_object_t *, char const *,
                           vlc_value_t, vlc_value_t, void * );
86 87
static int VideoFilter2Callback( vlc_object_t *, char const *,
                                 vlc_value_t, vlc_value_t, void * );
Gildas Bazin's avatar
 
Gildas Bazin committed
88

89 90 91
/* From vout_intf.c */
int vout_Snapshot( vout_thread_t *, picture_t * );

92 93 94
/* Display media title in OSD */
static void DisplayTitleOnOSD( vout_thread_t *p_vout );

95 96 97
/* */
static void DropPicture( vout_thread_t *p_vout, picture_t *p_picture );

98 99 100 101 102
/*****************************************************************************
 * Video Filter2 functions
 *****************************************************************************/
static picture_t *video_new_buffer_filter( filter_t *p_filter )
{
103
    vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;
104
    picture_t *p_picture = vout_CreatePicture( p_vout, 0, 0, 0 );
105

106
    p_picture->i_status = READY_PICTURE;
107 108 109 110 111 112

    return p_picture;
}

static void video_del_buffer_filter( filter_t *p_filter, picture_t *p_pic )
{
113 114 115
    vout_thread_t *p_vout = (vout_thread_t*)p_filter->p_owner;

    DropPicture( p_vout, p_pic );
116 117 118 119 120 121 122 123
}

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;
124 125
}

126
/*****************************************************************************
127 128 129 130 131
 * 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.
 *****************************************************************************/
132 133
vout_thread_t *__vout_Request( vlc_object_t *p_this, vout_thread_t *p_vout,
                               video_format_t *p_fmt )
134
{
135
    const bool b_vout_provided = p_vout != NULL;
136
    if( !p_fmt )
137
    {
138 139 140
        /* Video output is no longer used.
         * TODO: support for reusing video outputs with proper _thread-safe_
         * reference handling. */
141
        if( p_vout )
142
            vout_CloseAndRelease( p_vout );
143 144 145 146 147 148
        return NULL;
    }

    /* If a video output was provided, lock it, otherwise look for one. */
    if( p_vout )
    {
149
        vlc_object_hold( p_vout );
150 151
    }

152
    /* TODO: find a suitable unused video output */
153 154 155 156

    /* If we now have a video output, check it has the right properties */
    if( p_vout )
    {
Gildas Bazin's avatar
 
Gildas Bazin committed
157
        char *psz_filter_chain;
158
        vlc_value_t val;
Gildas Bazin's avatar
 
Gildas Bazin committed
159

160 161
        vlc_mutex_lock( &p_vout->change_lock );

162
        /* We don't directly check for the "vout-filter" variable for obvious
Gildas Bazin's avatar
 
Gildas Bazin committed
163
         * performance reasons. */
164
        if( p_vout->p->b_filter_change )
Gildas Bazin's avatar
 
Gildas Bazin committed
165
        {
166
            var_Get( p_vout, "vout-filter", &val );
167
            psz_filter_chain = val.psz_string;
Gildas Bazin's avatar
 
Gildas Bazin committed
168

169
            if( psz_filter_chain && !*psz_filter_chain )
Gildas Bazin's avatar
 
Gildas Bazin committed
170 171 172 173
            {
                free( psz_filter_chain );
                psz_filter_chain = NULL;
            }
174
            if( p_vout->p->psz_filter_chain && !*p_vout->p->psz_filter_chain )
Gildas Bazin's avatar
 
Gildas Bazin committed
175
            {
176 177
                free( p_vout->p->psz_filter_chain );
                p_vout->p->psz_filter_chain = NULL;
Gildas Bazin's avatar
 
Gildas Bazin committed
178 179
            }

180
            if( !psz_filter_chain && !p_vout->p->psz_filter_chain )
Gildas Bazin's avatar
 
Gildas Bazin committed
181
            {
182
                p_vout->p->b_filter_change = false;
Gildas Bazin's avatar
 
Gildas Bazin committed
183 184
            }

185
            free( psz_filter_chain );
Gildas Bazin's avatar
 
Gildas Bazin committed
186 187
        }

188 189 190
        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 ||
191
            p_vout->p->b_filter_change )
192
        {
193 194
            vlc_mutex_unlock( &p_vout->change_lock );

195
            /* We are not interested in this format, close this vout */
196
            vout_CloseAndRelease( p_vout );
197
            vlc_object_release( p_vout );
198 199 200 201 202
            p_vout = NULL;
        }
        else
        {
            /* This video output is cool! Hijack it. */
203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250
            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" );

251
            spu_Attach( p_vout->p_spu, p_this, true );
252 253

            vlc_object_detach( p_vout );
254
            vlc_object_attach( p_vout, p_this );
255 256 257

            /* Display title if we are not using the vout given to vout_Request.
             * XXX for now b_vout_provided is always true at this stage */
258
            if( p_vout->p->b_title_show && !b_vout_provided )
259
                DisplayTitleOnOSD( p_vout );
260 261 262 263 264 265 266
        }
    }

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

267
        p_vout = vout_Create( p_this, p_fmt );
268 269 270 271 272 273 274
    }

    return p_vout;
}

/*****************************************************************************
 * vout_Create: creates a new video output thread
275
 *****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
276 277
 * This function creates a new video output thread, and returns a pointer
 * to its description. On error, it returns NULL.
278
 *****************************************************************************/
279
vout_thread_t * __vout_Create( vlc_object_t *p_parent, video_format_t *p_fmt )
Michel Kaempf's avatar
Michel Kaempf committed
280
{
Gildas Bazin's avatar
 
Gildas Bazin committed
281 282
    vout_thread_t  * p_vout;                            /* thread descriptor */
    int              i_index;                               /* loop variable */
283
    vlc_value_t      val, text;
Michel Kaempf's avatar
Michel Kaempf committed
284

285 286
    unsigned int i_width = p_fmt->i_width;
    unsigned int i_height = p_fmt->i_height;
287 288 289
    vlc_fourcc_t i_chroma = p_fmt->i_chroma;
    unsigned int i_aspect = p_fmt->i_aspect;

290 291 292 293
    config_chain_t *p_cfg;
    char *psz_parser;
    char *psz_name;

294 295 296 297 298 299 300 301
    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;

302
    /* Allocate descriptor */
303 304 305
    static const char typename[] = "video output";
    p_vout = vlc_custom_create( p_parent, sizeof( *p_vout ), VLC_OBJECT_VOUT,
                                typename );
306
    if( p_vout == NULL )
307
        return NULL;
308

309
    /* */
Laurent Aimar's avatar
Laurent Aimar committed
310
    p_vout->p = calloc( 1, sizeof(*p_vout->p) );
311 312 313 314 315 316
    if( !p_vout->p )
    {
        vlc_object_release( p_vout );
        return NULL;
    }

317
    /* Initialize pictures - translation tables and functions
Gildas Bazin's avatar
 
Gildas Bazin committed
318
     * will be initialized later in InitThread */
319
    for( i_index = 0; i_index < 2 * VOUT_MAX_PICTURES + 1; i_index++)
Gildas Bazin's avatar
 
Gildas Bazin committed
320 321 322 323 324
    {
        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;
325
        p_vout->p_picture[i_index].b_slow   = 0;
Gildas Bazin's avatar
 
Gildas Bazin committed
326 327 328 329 330 331 332
    }

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

    /* Initialize the rendering heap */
    I_RENDERPICTURES = 0;
333

334 335
    p_vout->fmt_render        = *p_fmt;   /* FIXME palette */
    p_vout->fmt_in            = *p_fmt;   /* FIXME palette */
336

Gildas Bazin's avatar
 
Gildas Bazin committed
337 338 339 340 341
    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;

342 343 344
    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
345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363

    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;
    p_vout->b_scale      = 1;
    p_vout->b_fullscreen = 0;
Gildas Bazin's avatar
 
Gildas Bazin committed
364
    p_vout->i_alignment  = 0;
365 366
    p_vout->p->render_time  = 10;
    p_vout->p->c_fps_samples = 0;
367 368
    p_vout->p->i_picture_lost = 0;
    p_vout->p->i_picture_displayed = 0;
369
    p_vout->p->b_filter_change = 0;
Laurent Aimar's avatar
Laurent Aimar committed
370 371
    p_vout->p->b_paused = false;
    p_vout->p->i_pause_date = 0;
372 373
    p_vout->pf_control = NULL;
    p_vout->p_window = NULL;
374 375
    p_vout->p->i_par_num =
    p_vout->p->i_par_den = 1;
Gildas Bazin's avatar
 
Gildas Bazin committed
376 377

    /* Initialize locks */
378 379
    vlc_mutex_init( &p_vout->picture_lock );
    vlc_mutex_init( &p_vout->change_lock );
380
    vlc_mutex_init( &p_vout->p->vfilter_lock );
Gildas Bazin's avatar
 
Gildas Bazin committed
381

382 383 384 385 386 387 388
    /* 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 );
    var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );

389
    /* Initialize subpicture unit */
390
    p_vout->p_spu = spu_Create( p_vout );
391
    spu_Attach( p_vout->p_spu, p_parent, true );
392

Gildas Bazin's avatar
 
Gildas Bazin committed
393 394 395
    /* Attach the new object now so we can use var inheritance below */
    vlc_object_attach( p_vout, p_parent );

396 397
    spu_Init( p_vout->p_spu );

398 399
    /* Take care of some "interface/control" related initialisations */
    vout_IntfInit( p_vout );
Gildas Bazin's avatar
 
Gildas Bazin committed
400

Gildas Bazin's avatar
 
Gildas Bazin committed
401 402 403
    /* If the parent is not a VOUT object, that means we are at the start of
     * the video output pipe */
    if( p_parent->i_object_type != VLC_OBJECT_VOUT )
Sam Hocevar's avatar
 
Sam Hocevar committed
404
    {
405
        /* Look for the default filter configuration */
406
        p_vout->p->psz_filter_chain =
407
            var_CreateGetStringCommand( p_vout, "vout-filter" );
408 409

        /* Apply video filter2 objects on the first vout */
410
        p_vout->p->psz_vf2 =
411
            var_CreateGetStringCommand( p_vout, "video-filter" );
Gildas Bazin's avatar
 
Gildas Bazin committed
412 413 414 415
    }
    else
    {
        /* continue the parent's filter chain */
416
        char *psz_tmp;
Gildas Bazin's avatar
 
Gildas Bazin committed
417

418
        /* Ugly hack to jump to our configuration chain */
419 420 421 422
        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 );
423 424
        config_ChainDestroy( p_cfg );
        free( psz_tmp );
425 426

        /* Create a video filter2 var ... but don't inherit values */
427 428
        var_Create( p_vout, "video-filter",
                    VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
429
        p_vout->p->psz_vf2 = var_GetString( p_vout, "video-filter" );
Gildas Bazin's avatar
 
Gildas Bazin committed
430 431
    }

432
    var_AddCallback( p_vout, "video-filter", VideoFilter2Callback, NULL );
433
    p_vout->p->p_vf2_chain = filter_chain_New( p_vout, "video filter2",
434
        false, video_filter_buffer_allocation_init, NULL, p_vout );
435

Gildas Bazin's avatar
 
Gildas Bazin committed
436
    /* Choose the video output module */
437
    if( !p_vout->p->psz_filter_chain || !*p_vout->p->psz_filter_chain )
Gildas Bazin's avatar
 
Gildas Bazin committed
438
    {
Gildas Bazin's avatar
 
Gildas Bazin committed
439 440
        var_Create( p_vout, "vout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
        var_Get( p_vout, "vout", &val );
Antoine Cellerier's avatar
Antoine Cellerier committed
441
        psz_parser = val.psz_string;
Gildas Bazin's avatar
 
Gildas Bazin committed
442 443 444
    }
    else
    {
445 446
        psz_parser = strdup( p_vout->p->psz_filter_chain );
        p_vout->p->b_title_show = false;
Sam Hocevar's avatar
 
Sam Hocevar committed
447 448
    }

Gildas Bazin's avatar
 
Gildas Bazin committed
449
    /* Create the vout thread */
450
    char* psz_tmp = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
Antoine Cellerier's avatar
Antoine Cellerier committed
451
    free( psz_parser );
452
    free( psz_tmp );
453
    p_vout->p_cfg = p_cfg;
454
    p_vout->p_module = module_need( p_vout,
455 456
        ( 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 );
457
    free( psz_name );
Sam Hocevar's avatar
 
Sam Hocevar committed
458 459 460

    if( p_vout->p_module == NULL )
    {
461
        msg_Err( p_vout, "no suitable vout module" );
Laurent Aimar's avatar
Laurent Aimar committed
462
        vlc_object_set_destructor( p_vout, vout_Destructor );
463
        vlc_object_release( p_vout );
464
        return NULL;
Sam Hocevar's avatar
 
Sam Hocevar committed
465
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
466

Gildas Bazin's avatar
 
Gildas Bazin committed
467
    /* Create a few object variables for interface interaction */
Gildas Bazin's avatar
 
Gildas Bazin committed
468 469 470
    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 );
471
    val.psz_string = (char *)""; text.psz_string = _("Disable");
Gildas Bazin's avatar
 
Gildas Bazin committed
472
    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
473
    val.psz_string = (char *)"discard"; text.psz_string = _("Discard");
Gildas Bazin's avatar
 
Gildas Bazin committed
474
    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
475
    val.psz_string = (char *)"blend"; text.psz_string = _("Blend");
Gildas Bazin's avatar
 
Gildas Bazin committed
476
    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
477
    val.psz_string = (char *)"mean"; text.psz_string = _("Mean");
Gildas Bazin's avatar
 
Gildas Bazin committed
478
    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
479
    val.psz_string = (char *)"bob"; text.psz_string = _("Bob");
Gildas Bazin's avatar
 
Gildas Bazin committed
480
    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
481
    val.psz_string = (char *)"linear"; text.psz_string = _("Linear");
Gildas Bazin's avatar
 
Gildas Bazin committed
482
    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );
483
    val.psz_string = (char *)"x"; text.psz_string = (char *)"X";
484 485
    var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text );

Gildas Bazin's avatar
 
Gildas Bazin committed
486 487 488
    if( var_Get( p_vout, "deinterlace-mode", &val ) == VLC_SUCCESS )
    {
        var_Set( p_vout, "deinterlace", val );
489
        free( val.psz_string );
Gildas Bazin's avatar
 
Gildas Bazin committed
490
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
491 492
    var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL );

493
    var_Create( p_vout, "vout-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
494
    text.psz_string = _("Filters");
495 496
    var_Change( p_vout, "vout-filter", VLC_VAR_SETTEXT, &text, NULL );
    var_AddCallback( p_vout, "vout-filter", FilterCallback, NULL );
497

498
    if( vlc_thread_create( p_vout, "video output", RunThread,
499
                           VLC_THREAD_PRIORITY_OUTPUT, true ) )
Michel Kaempf's avatar
Michel Kaempf committed
500
    {
501
        module_unneed( p_vout, p_vout->p_module );
Laurent Aimar's avatar
Laurent Aimar committed
502 503
        p_vout->p_module = NULL;
        vlc_object_set_destructor( p_vout, vout_Destructor );
504
        vlc_object_release( p_vout );
505 506 507
        return NULL;
    }

508 509
    vlc_object_set_destructor( p_vout, vout_Destructor );

510 511 512
    if( p_vout->b_error )
    {
        msg_Err( p_vout, "video output creation failed" );
513
        vout_CloseAndRelease( p_vout );
514
        return NULL;
515
    }
Michel Kaempf's avatar
Michel Kaempf committed
516

517
    return p_vout;
Michel Kaempf's avatar
Michel Kaempf committed
518 519
}

520
/*****************************************************************************
521
 * vout_Close: Close a vout created by vout_Create.
522
 *****************************************************************************
523
 * 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
524
 * You should NEVER call it on vout not obtained through vout_Create
525 526
 * (like with vout_Request or vlc_object_find.)
 * You can use vout_CloseAndRelease() as a convenient method.
527
 *****************************************************************************/
528
void vout_Close( vout_thread_t *p_vout )
529 530 531 532 533
{
    assert( p_vout );

    vlc_object_kill( p_vout );
    vlc_thread_join( p_vout );
534
    module_unneed( p_vout, p_vout->p_module );
535
    p_vout->p_module = NULL;
536 537 538
}

/* */
539 540
static void vout_Destructor( vlc_object_t * p_this )
{
541
    vout_thread_t *p_vout = (vout_thread_t *)p_this;
542

543 544 545
    /* Make sure the vout was stopped first */
    assert( !p_vout->p_module );

Laurent Aimar's avatar
Laurent Aimar committed
546 547 548
    /* */
    spu_Destroy( p_vout->p_spu );

549 550 551
    /* Destroy the locks */
    vlc_mutex_destroy( &p_vout->picture_lock );
    vlc_mutex_destroy( &p_vout->change_lock );
552
    vlc_mutex_destroy( &p_vout->p->vfilter_lock );
553

554
    free( p_vout->p->psz_filter_chain );
Gildas Bazin's avatar
 
Gildas Bazin committed
555

556 557
    config_ChainDestroy( p_vout->p_cfg );

558 559
    free( p_vout->p );

560
#ifndef __APPLE__
561
    vout_thread_t *p_another_vout;
562

563 564 565 566 567 568 569 570
    /* 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 )
571
        var_SetBool( p_this->p_libvlc, "intf-show", true );
572 573
    else
        vlc_object_release( p_another_vout );
574
#endif
Michel Kaempf's avatar
Michel Kaempf committed
575 576
}

Laurent Aimar's avatar
Laurent Aimar committed
577 578 579 580 581
/* */
void vout_ChangePause( vout_thread_t *p_vout, bool b_paused, mtime_t i_date )
{
    vlc_object_lock( p_vout );

582
    assert( !p_vout->p->b_paused || !b_paused );
Laurent Aimar's avatar
Laurent Aimar committed
583 584 585 586 587 588 589 590 591 592 593
    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;
        }
Laurent Aimar's avatar
Laurent Aimar committed
594
        spu_OffsetSubtitleDate( p_vout->p_spu, i_duration );
Laurent Aimar's avatar
Laurent Aimar committed
595 596 597 598 599 600
    }
    p_vout->p->b_paused = b_paused;
    p_vout->p->i_pause_date = i_date;

    vlc_object_unlock( p_vout );
}
601 602 603 604 605 606 607 608 609 610 611 612
void vout_GetResetStatistic( vout_thread_t *p_vout, int *pi_displayed, int *pi_lost )
{
    vlc_object_lock( p_vout );

    *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;

    vlc_object_unlock( p_vout );
}
Laurent Aimar's avatar
Laurent Aimar committed
613

614
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
615
 * InitThread: initialize video output thread
616
 *****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
617 618 619
 * 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.
620
 * XXX You have to enter it with change_lock taken.
621
 *****************************************************************************/
622 623
static int ChromaCreate( vout_thread_t *p_vout );
static void ChromaDestroy( vout_thread_t *p_vout );
624

625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640
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
641
static int InitThread( vout_thread_t *p_vout )
Vincent Seguin's avatar
Vincent Seguin committed
642
{
643
    int i, i_aspect_x, i_aspect_y;
Sam Hocevar's avatar
 
Sam Hocevar committed
644

Sam Hocevar's avatar
 
Sam Hocevar committed
645 646
#ifdef STATS
    p_vout->c_loops = 0;
Vincent Seguin's avatar
Vincent Seguin committed
647 648
#endif

Sam Hocevar's avatar
 
Sam Hocevar committed
649
    /* Initialize output method, it allocates direct buffers for us */
Sam Hocevar's avatar
 
Sam Hocevar committed
650
    if( p_vout->pf_init( p_vout ) )
651
        return VLC_EGENERIC;
Sam Hocevar's avatar
 
Sam Hocevar committed
652

Sam Hocevar's avatar
 
Sam Hocevar committed
653
    if( !I_OUTPUTPICTURES )
Sam Hocevar's avatar
 
Sam Hocevar committed
654
    {
655 656
        msg_Err( p_vout, "plugin was unable to allocate at least "
                         "one direct buffer" );
Sam Hocevar's avatar
 
Sam Hocevar committed
657
        p_vout->pf_end( p_vout );
658
        return VLC_EGENERIC;
659
    }
Vincent Seguin's avatar
Vincent Seguin committed
660

Gildas Bazin's avatar
 
Gildas Bazin committed
661 662 663 664 665 666 667 668
    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;
    }

669
    msg_Dbg( p_vout, "got %i direct buffer(s)", I_OUTPUTPICTURES );
Sam Hocevar's avatar
 
Sam Hocevar committed
670

671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713
    AspectRatio( p_vout->fmt_render.i_aspect, &i_aspect_x, &i_aspect_y );

    msg_Dbg( p_vout, "picture in %ix%i (%i,%i,%ix%i), "
             "chroma %4.4s, ar %i:%i, sar %i:%i",
             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 );

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

    msg_Dbg( p_vout, "picture user %ix%i (%i,%i,%ix%i), "
             "chroma %4.4s, ar %i:%i, sar %i:%i",
             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 );

    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
714 715
    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 );
716 717

    AspectRatio( p_vout->fmt_out.i_aspect, &i_aspect_x, &i_aspect_y );
Sam Hocevar's avatar
 
Sam Hocevar committed
718

719 720
    msg_Dbg( p_vout, "picture out %ix%i (%i,%i,%ix%i), "
             "chroma %4.4s, ar %i:%i, sar %i:%i",
721
             p_vout->fmt_out.i_width, p_vout->fmt_out.i_height,
722 723 724 725 726
             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,
727
             p_vout->fmt_out.i_sar_num, p_vout->fmt_out.i_sar_den );
Sam Hocevar's avatar
 
Sam Hocevar committed
728

729
    /* FIXME removed the need of both fmt_* and heap infos */
Sam Hocevar's avatar
 
Sam Hocevar committed
730
    /* Calculate shifts from system-updated masks */
731 732 733 734 735
    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
736

Sam Hocevar's avatar
 
Sam Hocevar committed
737
    /* Check whether we managed to create direct buffers similar to
738
     * the render buffers, ie same size and chroma */
Sam Hocevar's avatar
 
Sam Hocevar committed
739 740
    if( ( p_vout->output.i_width == p_vout->render.i_width )
     && ( p_vout->output.i_height == p_vout->render.i_height )
741
     && ( ChromaIsEqual( &p_vout->output, &p_vout->render ) ) )
Sam Hocevar's avatar
 
Sam Hocevar committed
742
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
743 744 745 746
        /* 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 */
747
        p_vout->p->b_direct = true;
Sam Hocevar's avatar
 
Sam Hocevar committed
748

Sam Hocevar's avatar
 
Sam Hocevar committed
749 750
        for( i = 1; i < VOUT_MAX_PICTURES; i++ )
        {
Gildas Bazin's avatar
 
Gildas Bazin committed
751 752 753 754 755 756 757 758
            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
759 760 761
            PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
            I_RENDERPICTURES++;
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
762 763 764 765

        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
766 767 768
    }
    else
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
769 770 771
        /* 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 */
772
        p_vout->p->b_direct = false;
Sam Hocevar's avatar
 
Sam Hocevar committed
773

774
        if( ChromaCreate( p_vout ) )
Sam Hocevar's avatar
 
Sam Hocevar committed
775 776
        {
            p_vout->pf_end( p_vout );
777
            return VLC_EGENERIC;
Sam Hocevar's avatar
 
Sam Hocevar committed
778
        }
Sam Hocevar's avatar
 
Sam Hocevar committed
779

Gildas Bazin's avatar
 
Gildas Bazin committed
780 781 782 783
        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
784 785

        /* Append render buffers after the direct buffers */
Sam Hocevar's avatar
 
Sam Hocevar committed
786
        for( i = I_OUTPUTPICTURES; i < 2 * VOUT_MAX_PICTURES; i++ )
Sam Hocevar's avatar
 
Sam Hocevar committed
787 788 789
        {
            PP_RENDERPICTURE[ I_RENDERPICTURES ] = &p_vout->p_picture[ i ];
            I_RENDERPICTURES++;
Gildas Bazin's avatar
 
Gildas Bazin committed
790 791 792 793

            /* Check if we have enough render pictures */
            if( I_RENDERPICTURES == VOUT_MAX_PICTURES )
                break;
Sam Hocevar's avatar
 
Sam Hocevar committed
794 795
        }
    }
Vincent Seguin's avatar
Vincent Seguin committed
796

Sam Hocevar's avatar
 
Sam Hocevar committed
797 798 799 800 801 802 803 804 805 806 807
    /* 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;
    }

808
    return VLC_SUCCESS;
Vincent Seguin's avatar
Vincent Seguin committed
809 810
}

811
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
812
 * RunThread: video output thread
813
 *****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
814 815 816
 * 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.
817
 *****************************************************************************/
818
static void* RunThread( vlc_object_t *p_this )
Vincent Seguin's avatar
Vincent Seguin committed
819
{
820
    vout_thread_t *p_vout = (vout_thread_t *)p_this;
821
    int             i_idle_loops = 0;  /* loops without displaying a picture */
Sam Hocevar's avatar
 
Sam Hocevar committed
822

823
    picture_t *     p_last_picture = NULL;                   /* last picture */
Sam Hocevar's avatar
 
Sam Hocevar committed
824

825
    subpicture_t *  p_subpic = NULL;                   /* subpicture pointer */
Sam Hocevar's avatar
 
Sam Hocevar committed
826

Laurent Aimar's avatar
Laurent Aimar committed
827
    bool            b_drop_late;
828

829
    int canc = vlc_savecancel ();
830

Sam Hocevar's avatar
 
Sam Hocevar committed
831 832 833
    /*
     * Initialize thread
     */
834
    vlc_mutex_lock( &p_vout->change_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
835
    p_vout->b_error = InitThread( p_vout );
Gildas Bazin's avatar
 
Gildas Bazin committed
836

Laurent Aimar's avatar
Laurent Aimar committed
837
    b_drop_late = var_CreateGetBool( p_vout, "drop-late-frames" );
838

Gildas Bazin's avatar
 
Gildas Bazin committed
839 840 841
    /* signal the creation of the vout */
    vlc_thread_ready( p_vout );

Sam Hocevar's avatar
 
Sam Hocevar committed
842
    if( p_vout->b_error )
843
    {
Laurent Aimar's avatar
Laurent Aimar committed
844
        EndThread( p_vout );
845
        vlc_mutex_unlock( &p_vout->change_lock );
846
        vlc_restorecancel (canc);
847
        return NULL;
848
    }
849

850 851
    vlc_object_lock( p_vout );

852
    if( p_vout->p->b_title_show )
853
        DisplayTitleOnOSD( p_vout );
854

855
    /*
Sam Hocevar's avatar
Sam Hocevar committed
856
     * Main loop - it is not executed if an error occurred during
Sam Hocevar's avatar
 
Sam Hocevar committed
857
     * initialization
858
     */
Laurent Aimar's avatar
Laurent Aimar committed
859
    while( vlc_object_alive( p_vout ) && !p_vout->b_error )
860
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
861
        /* Initialize loop variables */
Laurent Aimar's avatar
Laurent Aimar committed
862 863
        const mtime_t current_date = mdate();
        picture_t *p_picture = NULL;
864
        picture_t *p_filtered_picture;
Laurent Aimar's avatar
Laurent Aimar committed
865 866 867
        mtime_t display_date = 0;
        picture_t *p_directbuffer;
        int i_index;
Sam Hocevar's avatar
 
Sam Hocevar committed
868

Laurent Aimar's avatar
Laurent Aimar committed
869 870 871
#if 0
        p_vout->c_loops++;
        if( !(p_vout->c_loops % VOUT_STATS_NB_LOOPS) )
Laurent Aimar's avatar
Laurent Aimar committed
872
        {
Laurent Aimar's avatar
Laurent Aimar committed
873 874
            msg_Dbg( p_vout, "picture heap: %d/%d",
                     I_RENDERPICTURES, p_vout->i_heap_size );
Laurent Aimar's avatar
Laurent Aimar committed
875
        }
Laurent Aimar's avatar
Laurent Aimar committed
876 877
#endif

Sam Hocevar's avatar
 
Sam Hocevar committed
878
        /*
879 880 881
         * Find the picture to display (the one with the earliest date).
         * This operation does not need lock, since only READY_PICTUREs
         * are handled. */
882
        for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
Sam Hocevar's avatar
 
Sam Hocevar committed
883
        {
Laurent Aimar's avatar
Laurent Aimar committed
884 885 886 887
            picture_t *p_pic = PP_RENDERPICTURE[i_index];

            if( p_pic->i_status == READY_PICTURE &&
                ( p_picture == NULL || p_pic->date < display_date ) )
888
            {
Laurent Aimar's avatar
Laurent Aimar committed
889
                p_picture = p_pic;
Sam Hocevar's avatar
 
Sam Hocevar committed
890
                display_date = p_picture->date;
891 892
            }
        }
Laurent Aimar's avatar
Laurent Aimar committed
893 894
        if( p_vout->p->b_paused && p_last_picture != NULL )
            p_picture = p_last_picture;
Sam Hocevar's avatar
 
Sam Hocevar committed
895

896
        if( p_picture )
897
        {
898 899
            /* If we met the last picture, parse again to see whether there is
             * a more appropriate one. */
Laurent Aimar's avatar
Laurent Aimar committed
900
            if( p_picture == p_last_picture && !p_vout->p->b_paused )
901 902 903
            {
                for( i_index = 0; i_index < I_RENDERPICTURES; i_index++ )
                {
Laurent Aimar's avatar
Laurent Aimar committed
904 905 906 907 908
                    picture_t *p_pic = PP_RENDERPICTURE[i_index];

                    if( p_pic->i_status == READY_PICTURE &&
                        p_pic != p_last_picture &&
                        ( p_picture == p_last_picture || p_pic->date < display_date ) )
909
                    {
Laurent Aimar's avatar
Laurent Aimar committed
910
                        p_picture = p_pic;
911 912 913 914
                        display_date = p_picture->date;
                    }
                }
            }
915

916 917 918
            /* If we found better than the last picture, destroy it */
            if( p_last_picture && p_picture != p_last_picture )
            {
Laurent Aimar's avatar
Laurent Aimar committed
919
                DropPicture( p_vout, p_last_picture );
920
                p_last_picture = NULL;
921 922
            }

Sam Hocevar's avatar
 
Sam Hocevar committed
923
            /* Compute FPS rate */
924
            p_vout->p->p_fps_sample[ p_vout->p->c_fps_samples++ % VOUT_FPS_SAMPLES ]
Sam Hocevar's avatar
 
Sam Hocevar committed
925 926
                = display_date;

927
            if( !p_picture->b_force &&
928
                p_picture != p_last_picture &&
929
                display_date < current_date + p_vout->p->render_time &&
930
                b_drop_late )
Sam Hocevar's avatar
 
Sam Hocevar committed
931 932 933
            {
                /* Picture is late: it will be destroyed and the thread
                 * will directly choose the next picture */
Laurent Aimar's avatar
Laurent Aimar committed
934
                DropPicture( p_vout, p_picture );
935
                p_vout->p->i_picture_lost++;
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
936
                msg_Warn( p_vout, "late picture skipped (%"PRId64")",
937
                                  current_date - display_date );
938 939
                continue;
            }
940

941
            if( display_date > current_date + VOUT_DISPLAY_DELAY )
Sam Hocevar's avatar
 
Sam Hocevar committed
942 943 944 945 946 947 948 949
            {
                /* 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;
            }
950 951
            else if( p_picture == p_last_picture )
            {
952 953
                /* We are asked to repeat the previous picture, but we first
                 * wait for a couple of idle loops */
954 955 956 957 958 959 960
                if( i_idle_loops < 4 )
                {
                    p_picture    = NULL;
                    display_date = 0;
                }
                else
                {
961 962
                    /* We set the display date to something high, otherwise
                     * we'll have lots of problems with late pictures */
963
                    display_date = current_date + p_vout->p->render_time;
964 965 966 967 968 969
                }
            }
        }

        if( p_picture == NULL )
            i_idle_loops++;
970

971
        p_filtered_picture = NULL;
972
        if( p_picture )
973
            p_filtered_picture = filter_chain_VideoFilter( p_vout->p->p_vf2_chain,
974
                                                           p_picture );