git.sesse.net Git - vlc/blob - src/video_output/video_output.c

   1 /*******************************************************************************
   2  * video_output.c : video output thread
   3  * (c)2000 VideoLAN
   4  *******************************************************************************
   5  * This module describes the programming interface for video output threads.
   6  * It includes functions allowing to open a new thread, send pictures to a
   7  * thread, and destroy a previously oppenned video output thread.
   8  *******************************************************************************/
   9
  10 /*******************************************************************************
  11  * Preamble
  12  *******************************************************************************/
  13 #include <errno.h>
  14 #include <stdlib.h>
  15 #include <stdio.h>
  16 #include <string.h>
  17
  18 #ifdef VIDEO_X11
  19 #include <X11/Xlib.h>
  20 #endif
  21
  22 #include "common.h"
  23 #include "config.h"
  24 #include "mtime.h"
  25 #include "vlc_thread.h"
  26 #include "video.h"
  27 #include "video_output.h"
  28 #include "video_sys.h"
  29 #include "intf_msg.h"
  30 #include "main.h"
  31
  32 /*******************************************************************************
  33  * Macros
  34  *******************************************************************************/
  35
  36 /* CLIP_BYTE: return value if between 0 and 255, else return nearest boundary
  37  * (0 or 255) */
  38 #define CLIP_BYTE( i_val ) ( (i_val < 0) ? 0 : ((i_val > 255) ? 255 : i_val) )
  39
  40 /* YUV_GRAYSCALE: parametric macro for YUV grayscale transformation.
  41  * Due to the high performance need of this loop, all possible conditions
  42  * evaluations are made outside the transformation loop. However, the code does
  43  * not change much for two different loops. This macro allows to change slightly
  44  * the content of the loop without having to copy and paste code. It is used in
  45  * RenderYUVPicture function. */
  46 #define YUV_GRAYSCALE( TRANS_RED, TRANS_GREEN, TRANS_BLUE, P_PIC )      \
  47 /* Main loop */                                                         \
  48 for (i_pic_y=0; i_pic_y < p_pic->i_height ; i_pic_y++)                  \
  49 {                                                                       \
  50     for (i_pic_x=0; i_pic_x< p_pic->i_width; i_pic_x++)                 \
  51     {                                                                   \
  52         i_y = *p_y++;                                                   \
  53         *P_PIC++ = TRANS_RED[i_y] | TRANS_GREEN[i_y] | TRANS_BLUE[i_y]; \
  54     }                                                                   \
  55     /* Skip until beginning of next line */                             \
  56     P_PIC += i_eol_offset;                                              \
  57 }
  58
  59 /* YUV_TRANSFORM: parametric macro for YUV transformation.
  60  * Due to the high performance need of this loop, all possible conditions
  61  * evaluations are made outside the transformation loop. However, the code does
  62  * not change much for two different loops. This macro allows to change slightly
  63  * the content of the loop without having to copy and paste code. It is used in
  64  * RenderYUVPicture function. */
  65 #define YUV_TRANSFORM( CHROMA, TRANS_RED, TRANS_GREEN, TRANS_BLUE, P_PIC ) \
  66 /* Main loop */                                                         \
  67 for (i_pic_y=0; i_pic_y < p_pic->i_height ; i_pic_y++)                  \
  68 {                                                                       \
  69     for (i_pic_x=0; i_pic_x< p_pic->i_width; i_pic_x+=2)                \
  70     {                                                                   \
  71         /* First sample (complete) */                                   \
  72         i_y = 76309 * *p_y++ - 1188177;                                 \
  73         i_u = *p_u++ - 128;                                             \
  74         i_v = *p_v++ - 128;                                             \
  75         *P_PIC++ =                                                      \
  76             TRANS_RED   [(i_y+i_crv*i_v)                >>16] |         \
  77             TRANS_GREEN [(i_y-i_cgu*i_u-i_cgv*i_v)      >>16] |         \
  78             TRANS_BLUE  [(i_y+i_cbu*i_u)                >>16];          \
  79         i_y = 76309 * *p_y++ - 1188177;                                 \
  80         /* Second sample (partial) */                                   \
  81         if( CHROMA == 444 )                                             \
  82         {                                                               \
  83             i_u = *p_u++ - 128;                                         \
  84             i_v = *p_v++ - 128;                                         \
  85         }                                                               \
  86         *P_PIC++ =                                                      \
  87             TRANS_RED   [(i_y+i_crv*i_v)                >>16] |         \
  88             TRANS_GREEN [(i_y-i_cgu*i_u-i_cgv*i_v)      >>16] |         \
  89             TRANS_BLUE  [(i_y+i_cbu*i_u)                >>16];          \
  90     }                                                                   \
  91     if( (CHROMA == 420) && !(i_pic_y & 0x1) )                           \
  92     {                                                                   \
  93         p_u -= i_chroma_width;                                          \
  94         p_v -= i_chroma_width;                                          \
  95     }                                                                   \
  96     /* Skip until beginning of next line */                             \
  97     P_PIC += i_eol_offset;                                              \
  98 }
  99
 100 /*******************************************************************************
 101  * Constants
 102  *******************************************************************************/
 103
 104 /* RGB/YUV inversion matrix (ISO/IEC 13818-2 section 6.3.6, table 6.9) */
 105 const int MATRIX_COEFFICIENTS_TABLE[8][4] =
 106 {
 107   {117504, 138453, 13954, 34903},       /* no sequence_display_extension */
 108   {117504, 138453, 13954, 34903},       /* ITU-R Rec. 709 (1990) */
 109   {104597, 132201, 25675, 53279},       /* unspecified */
 110   {104597, 132201, 25675, 53279},       /* reserved */
 111   {104448, 132798, 24759, 53109},       /* FCC */
 112   {104597, 132201, 25675, 53279},       /* ITU-R Rec. 624-4 System B, G */
 113   {104597, 132201, 25675, 53279},       /* SMPTE 170M */
 114   {117579, 136230, 16907, 35559}        /* SMPTE 240M (1987) */
 115 };
 116
 117 /*******************************************************************************
 118  * External prototypes
 119  *******************************************************************************/
 120 #ifdef HAVE_MMX
 121 /* YUV transformations for MMX - in yuv-mmx.S
 122  *      p_y, p_u, p_v:          Y U and V planes
 123  *      i_width, i_height:      frames dimensions (pixels)
 124  *      i_ypitch, i_vpitch:     Y and V lines sizes (bytes)
 125  *      i_aspect:               vertical aspect factor
 126  *      pi_pic:                 RGB frame
 127  *      i_dci_offset:           ?? x offset for left image border
 128  *      i_offset_to_line_0:     ?? x offset for left image border
 129  *      i_pitch:                RGB line size (bytes)
 130  *      i_colortype:            0 for 565, 1 for 555 */
 131 void vout_YUV420_16_MMX( u8* p_y, u8* p_u, u8 *p_v,
 132                          unsigned int i_width, unsigned int i_height,
 133                          unsigned int i_ypitch, unsigned int i_vpitch,
 134                          unsigned int i_aspect, u8 *pi_pic,
 135                          u32 i_dci_offset, u32 i_offset_to_line_0,
 136                          int CCOPitch, int i_colortype );
 137 #endif
 138
 139 /*******************************************************************************
 140  * Local prototypes
 141  *******************************************************************************/
 142 static int      InitThread              ( vout_thread_t *p_vout );
 143 static void     RunThread               ( vout_thread_t *p_vout );
 144 static void     ErrorThread             ( vout_thread_t *p_vout );
 145 static void     EndThread               ( vout_thread_t *p_vout );
 146 static void     RenderPicture           ( vout_thread_t *p_vout, picture_t *p_pic );
 147 static void     RenderYUVGrayPicture    ( vout_thread_t *p_vout, picture_t *p_pic );
 148 static void     RenderYUV16Picture      ( vout_thread_t *p_vout, picture_t *p_pic );
 149 static void     RenderYUV32Picture      ( vout_thread_t *p_vout, picture_t *p_pic );
 150 static void     RenderInfo              ( vout_thread_t *p_vout );
 151
 152 /*******************************************************************************
 153  * vout_CreateThread: creates a new video output thread
 154  *******************************************************************************
 155  * This function creates a new video output thread, and returns a pointer
 156  * to its description. On error, it returns NULL.
 157  * If pi_status is NULL, then the function will block until the thread is ready.
 158  * If not, it will be updated using one of the THREAD_* constants.
 159  *******************************************************************************/
 160 vout_thread_t * vout_CreateThread               (
 161 #ifdef VIDEO_X11
 162                                                   char *psz_display, Window root_window,
 163 #endif
 164                                                   int i_width, int i_height, int *pi_status
 165                                                 )
 166 {
 167     vout_thread_t * p_vout;                               /* thread descriptor */
 168     int             i_status;                                 /* thread status */
 169
 170     /* Allocate descriptor */
 171     p_vout = (vout_thread_t *) malloc( sizeof(vout_thread_t) );
 172     if( p_vout == NULL )
 173     {
 174         intf_ErrMsg("error: %s\n", strerror(ENOMEM));
 175         return( NULL );
 176     }
 177
 178     /* Initialize some fields used by the system-dependant method - these fields will
 179      * probably be modified by the method */
 180     p_vout->b_info              = 0;
 181     p_vout->b_grayscale         = main_GetIntVariable( VOUT_GRAYSCALE_VAR,
 182                                                        VOUT_GRAYSCALE_DEFAULT );
 183     p_vout->i_width             = i_width;
 184     p_vout->i_height            = i_height;
 185     p_vout->i_bytes_per_line    = i_width * 2;
 186     p_vout->i_screen_depth      = 15;
 187     p_vout->i_bytes_per_pixel   = 2;
 188     p_vout->f_x_ratio           = 1;
 189     p_vout->f_y_ratio           = 1;
 190     intf_DbgMsg("wished configuration: %dx%d,%d (%d bytes/pixel, %d bytes/line), ratio %.2f:%.2f, gray=%d\n",
 191                 p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth,
 192                 p_vout->i_bytes_per_pixel, p_vout->i_bytes_per_line,
 193                 p_vout->f_x_ratio, p_vout->f_y_ratio, p_vout->b_grayscale );
 194
 195     /* Create and initialize system-dependant method - this function issues its
 196      * own error messages */
 197     if( vout_SysCreate( p_vout
 198 #if defined(VIDEO_X11)
 199                         , psz_display, root_window
 200 #endif
 201         ) )
 202     {
 203       free( p_vout );
 204       return( NULL );
 205     }
 206     intf_DbgMsg("actual configuration: %dx%d,%d (%d bytes/pixel, %d bytes/line), ratio %.2f:%.2f, gray=%d\n",
 207                 p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth,
 208                 p_vout->i_bytes_per_pixel, p_vout->i_bytes_per_line,
 209                 p_vout->f_x_ratio, p_vout->f_y_ratio, p_vout->b_grayscale );
 210
 211     /* Terminate the initialization */
 212     p_vout->b_die               = 0;
 213     p_vout->b_error             = 0;
 214     p_vout->b_active            = 0;
 215     p_vout->pi_status           = (pi_status != NULL) ? pi_status : &i_status;
 216     *p_vout->pi_status          = THREAD_CREATE;
 217 #ifdef STATS
 218     p_vout->c_loops             = 0;
 219     p_vout->c_idle_loops        = 0;
 220     p_vout->c_pictures          = 0;
 221 #endif
 222
 223     /* Create thread and set locks */
 224     vlc_mutex_init( &p_vout->lock );
 225     if( vlc_thread_create( &p_vout->thread_id, "video output",
 226                            (void *) RunThread, (void *) p_vout) )
 227     {
 228         intf_ErrMsg("error: %s\n", strerror(ENOMEM));
 229         vout_SysDestroy( p_vout );
 230         free( p_vout );
 231         return( NULL );
 232     }
 233
 234     intf_Msg("Video: display initialized (%dx%d, %d bpp)\n",
 235              p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth );
 236
 237     /* If status is NULL, wait until the thread is created */
 238     if( pi_status == NULL )
 239     {
 240         do
 241         {
 242             msleep( THREAD_SLEEP );
 243         }while( (i_status != THREAD_READY) && (i_status != THREAD_ERROR)
 244                 && (i_status != THREAD_FATAL) );
 245         if( i_status != THREAD_READY )
 246         {
 247             return( NULL );
 248         }
 249     }
 250     return( p_vout );
 251 }
 252
 253 /*******************************************************************************
 254  * vout_DestroyThread: destroys a previously created thread
 255  *******************************************************************************
 256  * Destroy a terminated thread.
 257  * The function will request a destruction of the specified thread. If pi_error
 258  * is NULL, it will return once the thread is destroyed. Else, it will be
 259  * update using one of the THREAD_* constants.
 260  *******************************************************************************/
 261 void vout_DestroyThread( vout_thread_t *p_vout, int *pi_status )
 262 {
 263     int     i_status;                                         /* thread status */
 264
 265     /* Set status */
 266     p_vout->pi_status = (pi_status != NULL) ? pi_status : &i_status;
 267     *p_vout->pi_status = THREAD_DESTROY;
 268
 269     /* Request thread destruction */
 270     p_vout->b_die = 1;
 271
 272     /* If status is NULL, wait until thread has been destroyed */
 273     if( pi_status == NULL )
 274     {
 275         do
 276         {
 277             msleep( THREAD_SLEEP );
 278         }while( (i_status != THREAD_OVER) && (i_status != THREAD_ERROR)
 279                 && (i_status != THREAD_FATAL) );
 280     }
 281 }
 282
 283 /*******************************************************************************
 284  * vout_DisplayPicture: display a picture
 285  *******************************************************************************
 286  * Remove the reservation flag of a picture, which will cause it to be ready for
 287  * display.
 288  *******************************************************************************/
 289 void  vout_DisplayPicture( vout_thread_t *p_vout, picture_t *p_pic )
 290 {
 291 #ifdef DEBUG_VIDEO
 292     char        psz_date[MSTRTIME_MAX_SIZE];         /* buffer for date string */
 293 #endif
 294
 295    vlc_mutex_lock( &p_vout->lock );
 296
 297 #ifdef DEBUG_VIDEO
 298    /* Check if picture status is valid */
 299    if( p_pic->i_status != RESERVED_PICTURE )
 300    {
 301        intf_DbgMsg("error: picture %d has invalid status %d\n",
 302                    p_pic, p_pic->i_status );
 303    }
 304 #endif
 305
 306     /* Remove reservation flag */
 307     p_pic->i_status = READY_PICTURE;
 308
 309 #ifdef STATS
 310     /* Update stats */
 311     p_vout->c_pictures++;
 312 #endif
 313
 314 #ifdef DEBUG_VIDEO
 315     /* Send picture informations */
 316     intf_DbgMsg("picture %p: type=%d, %dx%d, date=%s\n", p_pic, p_pic->i_type,
 317                 p_pic->i_width,p_pic->i_height, mstrtime( psz_date, p_pic->date ) );
 318 #endif
 319
 320     vlc_mutex_unlock( &p_vout->lock );
 321 }
 322
 323 /*******************************************************************************
 324  * vout_CreatePicture: allocate a picture in the video output heap.
 325  *******************************************************************************
 326  * This function create a reserved image in the video output heap.
 327  * A null pointer is returned if the function fails. This method provides an
 328  * already allocated zone of memory in the picture data fields.
 329  *******************************************************************************/
 330 picture_t *vout_CreatePicture( vout_thread_t *p_vout, int i_type,
 331                                int i_width, int i_height, int i_bytes_per_line )
 332 {
 333     int         i_picture;                                    /* picture index */
 334     picture_t * p_free_picture = NULL;                   /* first free picture */
 335     picture_t * p_destroyed_picture = NULL;         /* first destroyed picture */
 336
 337     /* Get lock */
 338     vlc_mutex_lock( &p_vout->lock );
 339
 340     /*
 341      * Look for an empty place
 342      */
 343     for( i_picture = 0;
 344          i_picture < VOUT_MAX_PICTURES;
 345          i_picture++ )
 346     {
 347         if( p_vout->p_picture[i_picture].i_status == DESTROYED_PICTURE )
 348         {
 349             /* Picture is marked for destruction, but is still allocated */
 350             if( (p_vout->p_picture[i_picture].i_type           == i_type)   &&
 351                 (p_vout->p_picture[i_picture].i_height         == i_height) &&
 352                 (p_vout->p_picture[i_picture].i_bytes_per_line == i_bytes_per_line) )
 353             {
 354                 /* Memory size do match : memory will not be reallocated, and function
 355                  * can end immediately - this is the best possible case, since no
 356                  * memory allocation needs to be done */
 357                 p_vout->p_picture[i_picture].i_width  = i_width;
 358                 p_vout->p_picture[i_picture].i_status = RESERVED_PICTURE;
 359 #ifdef DEBUG_VIDEO
 360                 intf_DbgMsg("picture %p (in destroyed picture slot)\n",
 361                             &p_vout->p_picture[i_picture] );
 362 #endif
 363                 vlc_mutex_unlock( &p_vout->lock );
 364                 return( &p_vout->p_picture[i_picture] );
 365             }
 366             else if( p_destroyed_picture == NULL )
 367             {
 368                 /* Memory size do not match, but picture index will be kept in
 369                  * case no other place are left */
 370                 p_destroyed_picture = &p_vout->p_picture[i_picture];
 371             }
 372         }
 373         else if( (p_free_picture == NULL) &&
 374                  (p_vout->p_picture[i_picture].i_status == FREE_PICTURE ))
 375         {
 376             /* Picture is empty and ready for allocation */
 377             p_free_picture = &p_vout->p_picture[i_picture];
 378         }
 379     }
 380
 381     /* If no free picture is available, use a destroyed picture */
 382     if( (p_free_picture == NULL) && (p_destroyed_picture != NULL ) )
 383     {
 384         /* No free picture or matching destroyed picture has been found, but
 385          * a destroyed picture is still avalaible */
 386         free( p_destroyed_picture->p_data );
 387         p_free_picture = p_destroyed_picture;
 388     }
 389
 390     /*
 391      * Prepare picture
 392      */
 393     if( p_free_picture != NULL )
 394     {
 395         /* Allocate memory */
 396         switch( i_type )
 397         {
 398         case YUV_420_PICTURE:                   /* YUV picture: bits per pixel */
 399         case YUV_422_PICTURE:
 400         case YUV_444_PICTURE:
 401             p_free_picture->p_data = malloc( 3 * i_height * i_bytes_per_line );
 402             p_free_picture->p_y = (yuv_data_t *) p_free_picture->p_data;
 403             p_free_picture->p_u = (yuv_data_t *)(p_free_picture->p_data + i_height * i_bytes_per_line);
 404             p_free_picture->p_v = (yuv_data_t *)(p_free_picture->p_data + i_height * i_bytes_per_line * 2);
 405             break;
 406 #ifdef DEBUG
 407         default:
 408             intf_DbgMsg("error: unknown picture type %d\n", i_type );
 409             p_free_picture->p_data   =  NULL;
 410             break;
 411 #endif
 412         }
 413
 414         if( p_free_picture->p_data != NULL )
 415         {
 416             /* Copy picture informations */
 417             p_free_picture->i_type                      = i_type;
 418             p_free_picture->i_status                    = RESERVED_PICTURE;
 419             p_free_picture->i_width                     = i_width;
 420             p_free_picture->i_height                    = i_height;
 421             p_free_picture->i_bytes_per_line            = i_bytes_per_line;
 422             p_free_picture->i_refcount                  = 0;
 423             p_free_picture->i_matrix_coefficients       = 1;
 424         }
 425         else
 426         {
 427             /* Memory allocation failed : set picture as empty */
 428             p_free_picture->i_type   =  EMPTY_PICTURE;
 429             p_free_picture->i_status =  FREE_PICTURE;
 430             p_free_picture =            NULL;
 431             intf_ErrMsg("warning: %s\n", strerror( ENOMEM ) );
 432         }
 433
 434 #ifdef DEBUG_VIDEO
 435         intf_DbgMsg("picture %p (in free picture slot)\n", p_free_picture );
 436 #endif
 437         vlc_mutex_unlock( &p_vout->lock );
 438         return( p_free_picture );
 439     }
 440
 441     // No free or destroyed picture could be found
 442     intf_DbgMsg( "warning: heap is full\n" );
 443     vlc_mutex_unlock( &p_vout->lock );
 444     return( NULL );
 445 }
 446
 447 /*******************************************************************************
 448  * vout_DestroyPicture: remove a permanent or reserved picture from the heap
 449  *******************************************************************************
 450  * This function frees a previously reserved picture or a permanent
 451  * picture. It is meant to be used when the construction of a picture aborted.
 452  * Note that the picture will be destroyed even if it is linked !
 453  *******************************************************************************/
 454 void vout_DestroyPicture( vout_thread_t *p_vout, picture_t *p_pic )
 455 {
 456     vlc_mutex_lock( &p_vout->lock );
 457
 458 #ifdef DEBUG_VIDEO
 459    /* Check if picture status is valid */
 460    if( p_pic->i_status != RESERVED_PICTURE )
 461    {
 462        intf_DbgMsg("error: picture %d has invalid status %d\n",
 463                    p_pic, p_pic->i_status );
 464    }
 465 #endif
 466
 467     p_pic->i_status = DESTROYED_PICTURE;
 468
 469 #ifdef DEBUG_VIDEO
 470     intf_DbgMsg("picture %p\n", p_pic);
 471 #endif
 472
 473     vlc_mutex_unlock( &p_vout->lock );
 474 }
 475
 476 /*******************************************************************************
 477  * vout_LinkPicture: increment reference counter of a picture
 478  *******************************************************************************
 479  * This function increment the reference counter of a picture in the video
 480  * heap.
 481  *******************************************************************************/
 482 void vout_LinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
 483 {
 484     vlc_mutex_lock( &p_vout->lock );
 485     p_pic->i_refcount++;
 486
 487 #ifdef DEBUG_VIDEO
 488     intf_DbgMsg("picture %p\n", p_pic);
 489 #endif
 490
 491     vlc_mutex_unlock( &p_vout->lock );
 492 }
 493
 494 /*******************************************************************************
 495  * vout_UnlinkPicture: decrement reference counter of a picture
 496  *******************************************************************************
 497  * This function decrement the reference counter of a picture in the video heap.
 498  *******************************************************************************/
 499 void vout_UnlinkPicture( vout_thread_t *p_vout, picture_t *p_pic )
 500 {
 501     vlc_mutex_lock( &p_vout->lock );
 502     p_pic->i_refcount--;
 503     if( (p_pic->i_refcount == 0) && (p_pic->i_status == DISPLAYED_PICTURE) )
 504     {
 505         p_pic->i_status = DESTROYED_PICTURE;
 506     }
 507
 508 #ifdef DEBUG_VIDEO
 509     intf_DbgMsg("picture %p\n", p_pic);
 510 #endif
 511
 512     vlc_mutex_unlock( &p_vout->lock );
 513 }
 514
 515 /* following functions are local */
 516
 517 /*******************************************************************************
 518  * InitThread: initialize video output thread
 519  *******************************************************************************
 520  * This function is called from RunThread and performs the second step of the
 521  * initialization. It returns 0 on success. Note that the thread's flag are not
 522  * modified inside this function.
 523  *******************************************************************************/
 524 static int InitThread( vout_thread_t *p_vout )
 525 {
 526     int     i_index;                                          /* generic index */
 527     int     i_pixel_size;     /* pixel size, in bytes, for translations tables */
 528
 529     /* Update status */
 530     *p_vout->pi_status = THREAD_START;
 531
 532     /* Initialize pictures */
 533     p_vout->i_pictures = 0;
 534     for( i_index = 0; i_index < VOUT_MAX_PICTURES; i_index++)
 535     {
 536         p_vout->p_picture[i_index].i_type  = EMPTY_PICTURE;
 537         p_vout->p_picture[i_index].i_status= FREE_PICTURE;
 538     }
 539
 540 #ifdef STATS
 541     /* Initialize FPS index - since samples won't be used until a minimum of
 542      * pictures, they don't need to be initialized */
 543     p_vout->i_fps_index = 0;
 544 #endif
 545
 546     /* Initialize output method - this function issues its own error messages */
 547     if( vout_SysInit( p_vout ) )
 548     {
 549         *p_vout->pi_status = THREAD_ERROR;
 550         return( 1 );
 551     }
 552
 553     /* Allocate translation tables */
 554     switch( p_vout->i_bytes_per_pixel )
 555     {
 556     case 2:                   /* 15 or 16 bpp, use 16 bits translations tables */
 557         i_pixel_size = sizeof( u16 );
 558         break;
 559     case 3:                   /* 24 or 32 bpp, use 32 bits translations tables */
 560     case 4:
 561 #ifndef DEBUG
 562     default:
 563 #endif
 564         i_pixel_size = sizeof( u32 );
 565         break;
 566 #ifdef DEBUG
 567     default:
 568         intf_DbgMsg("error: invalid bytes_per_pixel %d\n", p_vout->i_bytes_per_pixel );
 569         i_pixel_size = sizeof( u32 );
 570         break;
 571 #endif
 572     }
 573     p_vout->pi_trans32_red =   (u32 *)p_vout->pi_trans16_red =
 574         (u16 *)malloc( 1024 * i_pixel_size );
 575     p_vout->pi_trans32_green = (u32 *)p_vout->pi_trans16_green =
 576         (u16 *)malloc( 1024 * i_pixel_size );
 577     p_vout->pi_trans32_blue =  (u32 *)p_vout->pi_trans16_blue =
 578         (u16 *)malloc( 1024 * i_pixel_size );
 579     if( (p_vout->pi_trans16_red == NULL) ||
 580         (p_vout->pi_trans16_green == NULL ) ||
 581         (p_vout->pi_trans16_blue == NULL ) )
 582     {
 583         intf_ErrMsg("error: %s\n", strerror(ENOMEM) );
 584         *p_vout->pi_status = THREAD_ERROR;
 585         if( p_vout->pi_trans16_red != NULL )
 586         {
 587             free( p_vout->pi_trans16_red );
 588         }
 589         if( p_vout->pi_trans16_green != NULL )
 590         {
 591             free( p_vout->pi_trans16_green );
 592         }
 593         if( p_vout->pi_trans16_blue != NULL )
 594         {
 595             free( p_vout->pi_trans16_blue );
 596         }
 597         return( 1 );
 598     }
 599
 600     /* Translate translation tables */
 601     p_vout->pi_trans16_red      += 384;
 602     p_vout->pi_trans16_green    += 384;
 603     p_vout->pi_trans16_blue     += 384;
 604     p_vout->pi_trans32_red      += 384;
 605     p_vout->pi_trans32_green    += 384;
 606     p_vout->pi_trans32_blue     += 384;
 607
 608     /* Build translation tables */
 609     switch( p_vout->i_screen_depth )
 610     {
 611     case 15:
 612         for( i_index = -384; i_index < 640; i_index++)
 613         {
 614             p_vout->pi_trans16_red[i_index]     = (CLIP_BYTE( i_index ) & 0xf8)<<7;
 615             p_vout->pi_trans16_green[i_index]   = (CLIP_BYTE( i_index ) & 0xf8)<<2;
 616             p_vout->pi_trans16_blue[i_index]    =  CLIP_BYTE( i_index ) >> 3;
 617         }
 618         break;
 619     case 16:
 620         for( i_index = -384; i_index < 640; i_index++)
 621         {
 622             p_vout->pi_trans16_red[i_index]     = (CLIP_BYTE( i_index ) & 0xf8)<<8;
 623             p_vout->pi_trans16_green[i_index]   = (CLIP_BYTE( i_index ) & 0xfc)<<3;
 624             p_vout->pi_trans16_blue[i_index]    =  CLIP_BYTE( i_index ) >> 3;
 625         }
 626         break;
 627     case 24:
 628     case 32:
 629         for( i_index = -384; i_index < 640; i_index++)
 630         {
 631             p_vout->pi_trans32_red[i_index]     =  CLIP_BYTE( i_index ) <<16;
 632             p_vout->pi_trans32_green[i_index]   =  CLIP_BYTE( i_index ) <<8;
 633             p_vout->pi_trans32_blue[i_index]    =  CLIP_BYTE( i_index ) ;
 634         }
 635         break;
 636 #ifdef DEBUG
 637     default:
 638         intf_DbgMsg("error: invalid screen depth %d\n", p_vout->i_screen_depth );
 639         break;
 640 #endif
 641     }
 642
 643     /* Mark thread as running and return */
 644     p_vout->b_active =          1;
 645     *p_vout->pi_status =        THREAD_READY;
 646     intf_DbgMsg("thread ready\n");
 647     return(0);
 648 }
 649
 650 /*******************************************************************************
 651  * RunThread: video output thread
 652  *******************************************************************************
 653  * Video output thread. This function does only returns when the thread is
 654  * terminated. It handles the pictures arriving in the video heap and the
 655  * display device events.
 656  *******************************************************************************/
 657 static void RunThread( vout_thread_t *p_vout)
 658 {
 659     int             i_picture;                                /* picture index */
 660     int             i_err;                                       /* error code */
 661     mtime_t         current_date;                              /* current date */
 662     picture_t *     p_pic;                                  /* picture pointer */
 663     mtime_t         pic_date = 0;                              /* picture date */
 664
 665     /*
 666      * Initialize thread and free configuration
 667      */
 668     p_vout->b_error = InitThread( p_vout );
 669     if( p_vout->b_error )
 670     {
 671         free( p_vout );                                  /* destroy descriptor */
 672         return;
 673     }
 674
 675     /*
 676      * Main loop - it is not executed if an error occured during
 677      * initialization
 678      */
 679     while( (!p_vout->b_die) && (!p_vout->b_error) )
 680     {
 681         /*
 682          * Find the picture to display - this is the only operation requiring
 683          * the lock on the picture, since once a READY_PICTURE has been found,
 684          * it can't be modified by the other threads (except if it is unliked,
 685          * but its data remains)
 686          */
 687         p_pic = NULL;
 688         vlc_mutex_lock( &p_vout->lock );
 689         for( i_picture = 0; i_picture < VOUT_MAX_PICTURES; i_picture++ )
 690         {
 691             if( (p_vout->p_picture[i_picture].i_status == READY_PICTURE) &&
 692                 ( (p_pic == NULL) ||
 693                   (p_vout->p_picture[i_picture].date < pic_date) ) )
 694             {
 695                 p_pic = &p_vout->p_picture[i_picture];
 696                 pic_date = p_pic->date;
 697             }
 698         }
 699         vlc_mutex_unlock( &p_vout->lock );
 700
 701         /*
 702          * Render picture if any
 703          */
 704         if( p_pic )
 705         {
 706 #ifdef STATS
 707             /* Computes FPS rate */
 708             p_vout->fps_sample[ p_vout->i_fps_index++ ] = pic_date;
 709             if( p_vout->i_fps_index == VOUT_FPS_SAMPLES )
 710             {
 711                 p_vout->i_fps_index = 0;
 712             }
 713 #endif
 714             current_date = mdate();
 715             if( pic_date < current_date )
 716             {
 717                 /* Picture is late: it will be destroyed and the thread will go
 718                  * immediately to next picture */
 719                 vlc_mutex_lock( &p_vout->lock );
 720                 if( p_pic->i_refcount )
 721                 {
 722                     p_pic->i_status = DISPLAYED_PICTURE;
 723                 }
 724                 else
 725                 {
 726                     p_pic->i_status = DESTROYED_PICTURE;
 727                 }
 728
 729 #ifdef DEBUG_VIDEO
 730                 intf_DbgMsg( "warning: late picture %p skipped\n", p_pic );
 731 #endif
 732                 vlc_mutex_unlock( &p_vout->lock );
 733                 p_pic = NULL;
 734             }
 735             else if( pic_date > current_date + VOUT_DISPLAY_DELAY )
 736             {
 737                 /* A picture is ready to be rendered, but its rendering date is
 738                  * far from the current one so the thread will perform an empty loop
 739                  * as if no picture were found. The picture state is unchanged */
 740                 p_pic = NULL;
 741             }
 742             else
 743             {
 744                 /* Picture has not yet been displayed, and has a valid display
 745                  * date : render it, then forget it */
 746                 RenderPicture( p_vout, p_pic );
 747                 vlc_mutex_lock( &p_vout->lock );
 748                 if( p_pic->i_refcount )
 749                 {
 750                     p_pic->i_status = DISPLAYED_PICTURE;
 751                 }
 752                 else
 753                 {
 754                     p_pic->i_status = DESTROYED_PICTURE;
 755                 }
 756                 vlc_mutex_unlock( &p_vout->lock );
 757
 758                 /* Print additional informations */
 759                 if( p_vout->b_info )
 760                 {
 761                     RenderInfo( p_vout );
 762                 }
 763             }
 764         }
 765
 766         /*
 767          * Check events, sleep and display picture
 768          */
 769         i_err = vout_SysManage( p_vout );
 770         if( i_err < 0 )
 771         {
 772             /* A fatal error occured, and the thread must terminate immediately,
 773              * without displaying anything - setting b_error to 1 cause the
 774              * immediate end of the main while() loop. */
 775             p_vout->b_error = 1;
 776         }
 777         else
 778         {
 779             if( p_pic )
 780             {
 781                 /* A picture is ready to be displayed : sleep until its display date */
 782                 mwait( pic_date );
 783
 784                 if( !i_err )
 785                 {
 786                     vout_SysDisplay( p_vout );
 787                 }
 788             }
 789             else
 790             {
 791                 /* Sleep to wait for new pictures */
 792                 msleep( VOUT_IDLE_SLEEP );
 793 #ifdef STATS
 794                 /* Update counters */
 795                 p_vout->c_idle_loops++;
 796 #endif
 797             }
 798         }
 799
 800 #ifdef STATS
 801         /* Update counters */
 802         p_vout->c_loops++;
 803 #endif
 804     }
 805
 806     /*
 807      * Error loop
 808      */
 809     if( p_vout->b_error )
 810     {
 811         ErrorThread( p_vout );
 812     }
 813
 814     /* End of thread */
 815     EndThread( p_vout );
 816     intf_DbgMsg( "thread end\n" );
 817 }
 818
 819 /*******************************************************************************
 820  * ErrorThread: RunThread() error loop
 821  *******************************************************************************
 822  * This function is called when an error occured during thread main's loop. The
 823  * thread can still receive feed, but must be ready to terminate as soon as
 824  * possible.
 825  *******************************************************************************/
 826 static void ErrorThread( vout_thread_t *p_vout )
 827 {
 828     /* Wait until a `die' order */
 829     while( !p_vout->b_die )
 830     {
 831         /* Sleep a while */
 832         msleep( VOUT_IDLE_SLEEP );
 833     }
 834 }
 835
 836 /*******************************************************************************
 837  * EndThread: thread destruction
 838  *******************************************************************************
 839  * This function is called when the thread ends after a sucessfull
 840  * initialization.
 841  *******************************************************************************/
 842 static void EndThread( vout_thread_t *p_vout )
 843 {
 844     int *   pi_status;                                        /* thread status */
 845     int     i_picture;
 846
 847     /* Store status */
 848     pi_status = p_vout->pi_status;
 849     *pi_status = THREAD_END;
 850
 851     /* Destroy all remaining pictures */
 852     for( i_picture = 0; i_picture < VOUT_MAX_PICTURES; i_picture++ )
 853     {
 854         if( p_vout->p_picture[i_picture].i_status != FREE_PICTURE )
 855         {
 856             free( p_vout->p_picture[i_picture].p_data );
 857         }
 858     }
 859
 860     /* Destroy translation tables - remeber these tables are translated */
 861     free( p_vout->pi_trans16_red - 384 );
 862     free( p_vout->pi_trans16_green - 384 );
 863     free( p_vout->pi_trans16_blue - 384 );
 864
 865     /* Destroy thread structures allocated by InitThread */
 866     vout_SysEnd( p_vout );
 867     vout_SysDestroy( p_vout );
 868     free( p_vout );
 869
 870     /* Update status */
 871     *pi_status = THREAD_OVER;
 872 }
 873
 874 /*******************************************************************************
 875  * RenderPicture: render a picture
 876  *******************************************************************************
 877  * This function convert a picture from a video heap to a pixel-encoded image
 878  * and copy it to the current rendering buffer. No lock is required, since the
 879  * rendered picture has been determined as existant, and will only be destroyed
 880  * by the vout thread later.
 881  * ???? 24 and 32 bpp should probably be separated
 882  *******************************************************************************/
 883 static void RenderPicture( vout_thread_t *p_vout, picture_t *p_pic )
 884 {
 885 #ifdef DEBUG_VIDEO
 886     /* Send picture informations */
 887     intf_DbgMsg("picture %p\n", p_pic );
 888
 889     /* Store rendering start date */
 890     p_vout->picture_render_time = mdate();
 891 #endif
 892
 893     switch( p_pic->i_type )
 894     {
 895     case YUV_420_PICTURE:                   /* YUV picture: YUV transformation */
 896     case YUV_422_PICTURE:
 897     case YUV_444_PICTURE:
 898         if( p_vout->b_grayscale )                                 /* grayscale */
 899         {
 900             RenderYUVGrayPicture( p_vout, p_pic );
 901         }
 902         else if( p_vout->i_bytes_per_pixel == 2 )        /* color 15 or 16 bpp */
 903         {
 904             RenderYUV16Picture( p_vout, p_pic );
 905         }
 906         else                                             /* color 24 or 32 bpp */
 907         {
 908             RenderYUV32Picture( p_vout, p_pic );
 909         }
 910         break;
 911 #ifdef DEBUG
 912     default:
 913         intf_DbgMsg("error: unknown picture type %d\n", p_pic->i_type );
 914         break;
 915 #endif
 916     }
 917
 918 #ifdef DEBUG_VIDEO
 919     /* Computes rendering time */
 920     p_vout->picture_render_time = mdate() - p_vout->picture_render_time;
 921 #endif
 922 }
 923
 924 /*******************************************************************************
 925  * RenderYUVGrayPicture: render a 15, 16, 24 or 32 bpp YUV picture in grayscale
 926  *******************************************************************************
 927  * Performs the YUV convertion. The picture sent to this function should only
 928  * have YUV_420, YUV_422 or YUV_444 types.
 929  *******************************************************************************/
 930 static void RenderYUVGrayPicture( vout_thread_t *p_vout, picture_t *p_pic )
 931 {
 932     int         i_pic_x, i_pic_y;                /* x,y coordinates in picture */
 933     int         i_width, i_height;                             /* picture size */
 934     int         i_eol_offset;          /* pixels from end of line to next line */
 935     yuv_data_t *p_y;                                     /* Y data base adress */
 936     yuv_data_t  i_y;                                               /* Y sample */
 937     u16 *       pi_pic16;                 /* destination picture, 15 or 16 bpp */
 938     u32 *       pi_pic32;                 /* destination picture, 24 or 32 bpp */
 939     u16 *       pi_trans16_red;                    /* red transformation table */
 940     u16 *       pi_trans16_green;                /* green transformation table */
 941     u16 *       pi_trans16_blue;                  /* blue transformation table */
 942     u32 *       pi_trans32_red;                    /* red transformation table */
 943     u32 *       pi_trans32_green;                /* green transformation table */
 944     u32 *       pi_trans32_blue;                  /* blue transformation table */
 945
 946     /* Set the base pointers and transformation parameters */
 947     p_y =               p_pic->p_y;
 948     i_width =           p_pic->i_width;
 949     i_height =          p_pic->i_height;
 950     i_eol_offset =      p_vout->i_bytes_per_line / p_vout->i_bytes_per_pixel - i_width;
 951
 952     /* Get base adress for destination image and translation tables, then
 953      * transform image */
 954     switch( p_vout->i_screen_depth )
 955     {
 956     case 15:
 957     case 16:
 958         pi_trans16_red =      p_vout->pi_trans16_red;
 959         pi_trans16_green =    p_vout->pi_trans16_green;
 960         pi_trans16_blue =     p_vout->pi_trans16_blue;
 961         pi_pic16 = (u16 *) vout_SysGetPicture( p_vout );
 962
 963         YUV_GRAYSCALE( pi_trans16_red, pi_trans16_green, pi_trans16_blue,
 964                        pi_pic16 );
 965         break;
 966     case 24:
 967     case 32:
 968         pi_trans32_red =      p_vout->pi_trans32_red;
 969         pi_trans32_green =    p_vout->pi_trans32_green;
 970         pi_trans32_blue =     p_vout->pi_trans32_blue;
 971         pi_pic32 = (u32 *) vout_SysGetPicture( p_vout );
 972
 973         YUV_GRAYSCALE( pi_trans32_red, pi_trans32_green, pi_trans32_blue,
 974                        pi_pic32 );
 975         break;
 976 #ifdef DEBUG
 977     default:
 978         intf_DbgMsg("error: invalid screen depth %d\n", p_vout->i_screen_depth );
 979         break;
 980 #endif
 981     }
 982 }
 983
 984
 985 /*******************************************************************************
 986  * RenderYUV16Picture: render a 15 or 16 bpp YUV picture
 987  *******************************************************************************
 988  * Performs the YUV convertion. The picture sent to this function should only
 989  * have YUV_420, YUV_422 or YUV_444 types.
 990  *******************************************************************************/
 991 static void RenderYUV16Picture( vout_thread_t *p_vout, picture_t *p_pic )
 992 {
 993     int         i_crv, i_cbu, i_cgu, i_cgv;     /* transformation coefficients */
 994     int         i_pic_x, i_pic_y;                /* x,y coordinates in picture */
 995     int         i_y, i_u, i_v;                           /* Y, U and V samples */
 996     int         i_width, i_height;                             /* picture size */
 997     int         i_chroma_width;                                /* chroma width */
 998     int         i_eol_offset;          /* pixels from end of line to next line */
 999     yuv_data_t *p_y;                                     /* Y data base adress */
1000     yuv_data_t *p_u;                                     /* U data base adress */
1001     yuv_data_t *p_v;                                     /* V data base adress */
1002     u16 *       pi_pic;                 /* base adress for destination picture */
1003     u16 *       pi_trans_red;                      /* red transformation table */
1004     u16 *       pi_trans_green;                  /* green transformation table */
1005     u16 *       pi_trans_blue;                    /* blue transformation table */
1006
1007     /* Choose transformation matrix coefficients */
1008     i_crv = MATRIX_COEFFICIENTS_TABLE[p_pic->i_matrix_coefficients][0];
1009     i_cbu = MATRIX_COEFFICIENTS_TABLE[p_pic->i_matrix_coefficients][1];
1010     i_cgu = MATRIX_COEFFICIENTS_TABLE[p_pic->i_matrix_coefficients][2];
1011     i_cgv = MATRIX_COEFFICIENTS_TABLE[p_pic->i_matrix_coefficients][3];
1012
1013     /* Choose the conversions tables */
1014     pi_trans_red =      p_vout->pi_trans16_red;
1015     pi_trans_green =    p_vout->pi_trans16_green;
1016     pi_trans_blue =     p_vout->pi_trans16_blue;
1017
1018     /* Set the base pointers and transformation parameters */
1019     p_y =               p_pic->p_y;
1020     p_u =               p_pic->p_u;
1021     p_v =               p_pic->p_v;
1022     i_width =           p_pic->i_width;
1023     i_height =          p_pic->i_height;
1024     i_chroma_width =    i_width / 2;
1025     i_eol_offset =      p_vout->i_bytes_per_line / 2 - i_width;
1026
1027     /* Get base adress for destination image */
1028     pi_pic = (u16 *)vout_SysGetPicture( p_vout );
1029
1030     /* Do YUV transformation - the loops are repeated for optimization */
1031     switch( p_pic->i_type )
1032     {
1033     case YUV_420_PICTURE:                   /* 15 or 16 bpp 420 transformation */
1034 #ifdef HAVE_MMX
1035         vout_YUV420_16_MMX( p_y, p_u, p_v,
1036                             i_width, i_height,
1037                             i_width, i_chroma_width,
1038                             0, (u8 *) pi_pic,
1039                             0, 0, p_vout->i_bytes_per_line,
1040                             p_vout->i_screen_depth == 15 );
1041 #else
1042         YUV_TRANSFORM( 420,
1043                        pi_trans_red,
1044                        pi_trans_green,
1045                        pi_trans_blue,
1046                        pi_pic );
1047 #endif
1048         break;
1049     case YUV_422_PICTURE:                   /* 15 or 16 bpp 422 transformation */
1050         YUV_TRANSFORM( 422,
1051                        pi_trans_red,
1052                        pi_trans_green,
1053                        pi_trans_blue,
1054                        pi_pic );
1055         break;
1056     case YUV_444_PICTURE:                   /* 15 or 16 bpp 444 transformation */
1057         YUV_TRANSFORM( 444,
1058                        pi_trans_red,
1059                        pi_trans_green,
1060                        pi_trans_blue,
1061                        pi_pic );
1062         break;
1063     }
1064 }
1065
1066 /*******************************************************************************
1067  * RenderYUV32Picture: render a 24 or 32 bpp YUV picture
1068  *******************************************************************************
1069  * Performs the YUV convertion. The picture sent to this function should only
1070  * have YUV_420, YUV_422 or YUV_444 types.
1071  *******************************************************************************/
1072 static void RenderYUV32Picture( vout_thread_t *p_vout, picture_t *p_pic )
1073 {
1074     int         i_crv, i_cbu, i_cgu, i_cgv;     /* transformation coefficients */
1075     int         i_pic_x, i_pic_y;                /* x,y coordinates in picture */
1076     int         i_y, i_u, i_v;                           /* Y, U and V samples */
1077     int         i_width, i_height;                             /* picture size */
1078     int         i_chroma_width;                                /* chroma width */
1079     int         i_eol_offset;          /* pixels from end of line to next line */
1080     yuv_data_t *p_y;                                     /* Y data base adress */
1081     yuv_data_t *p_u;                                     /* U data base adress */
1082     yuv_data_t *p_v;                                     /* V data base adress */
1083     u32 *       pi_pic;                 /* base adress for destination picture */
1084     u32 *       pi_trans_red;                      /* red transformation table */
1085     u32 *       pi_trans_green;                  /* green transformation table */
1086     u32 *       pi_trans_blue;                    /* blue transformation table */
1087
1088     /* Choose transformation matrix coefficients */
1089     i_crv = MATRIX_COEFFICIENTS_TABLE[p_pic->i_matrix_coefficients][0];
1090     i_cbu = MATRIX_COEFFICIENTS_TABLE[p_pic->i_matrix_coefficients][1];
1091     i_cgu = MATRIX_COEFFICIENTS_TABLE[p_pic->i_matrix_coefficients][2];
1092     i_cgv = MATRIX_COEFFICIENTS_TABLE[p_pic->i_matrix_coefficients][3];
1093
1094     /* Choose the conversions tables */
1095     pi_trans_red =      p_vout->pi_trans32_red;
1096     pi_trans_green =    p_vout->pi_trans32_green;
1097     pi_trans_blue =     p_vout->pi_trans32_blue;
1098
1099     /* Set the base pointers and transformation parameters */
1100     p_y =               p_pic->p_y;
1101     p_u =               p_pic->p_u;
1102     p_v =               p_pic->p_v;
1103     i_width =           p_pic->i_width;
1104     i_height =          p_pic->i_height;
1105     i_chroma_width =    i_width / 2;
1106     i_eol_offset =      p_vout->i_bytes_per_line / p_vout->i_bytes_per_pixel - i_width;
1107
1108     /* Get base adress for destination image */
1109     pi_pic = (u32 *)vout_SysGetPicture( p_vout );
1110
1111     /* Do YUV transformation - the loops are repeated for optimization */
1112     switch( p_pic->i_type )
1113     {
1114     case YUV_420_PICTURE:                   /* 24 or 32 bpp 420 transformation */
1115         YUV_TRANSFORM( 420,
1116                        pi_trans_red,
1117                        pi_trans_green,
1118                        pi_trans_blue,
1119                        pi_pic );
1120         break;
1121     case YUV_422_PICTURE:                   /* 24 or 32 bpp 422 transformation */
1122         YUV_TRANSFORM( 422,
1123                        pi_trans_red,
1124                        pi_trans_green,
1125                        pi_trans_blue,
1126                        pi_pic );
1127         break;
1128     case YUV_444_PICTURE:                   /* 24 or 32 bpp 444 transformation */
1129         YUV_TRANSFORM( 444,
1130                        pi_trans_red,
1131                        pi_trans_green,
1132                        pi_trans_blue,
1133                        pi_pic );
1134         break;
1135     }
1136 }
1137
1138 /*******************************************************************************
1139  * RenderInfo: print additionnal informations on a picture
1140  *******************************************************************************
1141  * This function will add informations such as fps and buffer size on a picture
1142  *******************************************************************************/
1143 static void RenderInfo( vout_thread_t *p_vout )
1144 {
1145     char        psz_buffer[256];                              /* string buffer */
1146
1147 #ifdef STATS
1148     /* Print FPS rate */
1149     if( p_vout->c_pictures > VOUT_FPS_SAMPLES )
1150     {
1151         sprintf( psz_buffer, "%.2f fps", (double) VOUT_FPS_SAMPLES * 1000000 /
1152                  ( p_vout->fps_sample[ (p_vout->i_fps_index + (VOUT_FPS_SAMPLES - 1)) %
1153                                      VOUT_FPS_SAMPLES ] -
1154                    p_vout->fps_sample[ p_vout->i_fps_index ] ) );
1155         vout_SysPrint( p_vout, p_vout->i_width, 0, 1, -1, psz_buffer );
1156     }
1157
1158     /* Print statistics */
1159     sprintf( psz_buffer, "%ld pictures, %.1f %% idle loops", p_vout->c_pictures,
1160              (double) p_vout->c_idle_loops * 100 / p_vout->c_loops );
1161     vout_SysPrint( p_vout, 0, 0, -1, -1, psz_buffer );
1162 #endif
1163
1164 #ifdef DEBUG
1165     /* Print heap size  */
1166     sprintf( psz_buffer, "video heap size: %d (%.1f %%)", p_vout->i_pictures,
1167              (double) p_vout->i_pictures * 100 / VOUT_MAX_PICTURES );
1168     vout_SysPrint( p_vout, 0, p_vout->i_height, -1, 1, psz_buffer );
1169 #endif
1170
1171 #ifdef DEBUG_VIDEO
1172     /* Print rendering statistics */
1173     sprintf( psz_buffer, "picture rendering time: %lu us",
1174              (unsigned long) p_vout->picture_render_time );
1175     vout_SysPrint( p_vout, p_vout->i_width, p_vout->i_height, 1, 1, psz_buffer );
1176 #endif
1177 }
1178
1179