git.sesse.net Git - vlc/blob - include/video_decoder.h

   1 /*****************************************************************************
   2  * video_decoder.h : video decoder thread
   3  * (c)1999 VideoLAN
   4  *****************************************************************************
   5  *****************************************************************************
   6  * Requires:
   7  *  "config.h"
   8  *  "common.h"
   9  *  "mtime.h"
  10  *  "vlc_thread.h"
  11  *  "input.h"
  12  *  "video.h"
  13  *  "video_output.h"
  14  *  "decoder_fifo.h"
  15  *****************************************************************************/
  16
  17 /*****************************************************************************
  18  * vdec_thread_t: video decoder thread descriptor
  19  *****************************************************************************
  20  * ??
  21  *****************************************************************************/
  22 typedef struct vdec_thread_s
  23 {
  24     /* Thread properties and locks */
  25     boolean_t           b_die;                                 /* `die' flag */
  26     boolean_t           b_run;                                 /* `run' flag */
  27     boolean_t           b_error;                             /* `error' flag */
  28     boolean_t           b_active;                           /* `active' flag */
  29     vlc_thread_t        thread_id;                /* id for thread functions */
  30
  31     /* Thread configuration */
  32     /* ?? */
  33  /*??*/
  34 //    int *pi_status;
  35
  36 #ifdef OLD_DECODER
  37     /* Input properties */
  38     decoder_fifo_t      fifo;                              /* PES input fifo */
  39
  40     /* The bit stream structure handles the PES stream at the bit level */
  41     bit_stream_t        bit_stream;
  42
  43     /* Output properties */
  44     vout_thread_t *     p_vout;                       /* video output thread */
  45     int                 i_stream;                         /* video stream id */
  46 #else
  47     /* idct iformations */
  48     dctelem_t              p_pre_idct[64*64];
  49
  50     /* Input properties */
  51     struct vpar_thread_s *    p_vpar;                 /* video_parser thread */
  52
  53     /* Lookup tables */
  54 //#ifdef MPEG2_COMPLIANT
  55     u8              pi_crop_buf[VDEC_CROPRANGE];
  56     u8 *            pi_crop;
  57 //#endif
  58 #endif
  59
  60 #ifdef STATS
  61     /* Statistics */
  62     count_t         c_loops;                              /* number of loops */
  63     count_t         c_idle_loops;                    /* number of idle loops */
  64 #ifdef OLD_DECODER
  65     count_t         c_pictures;                   /* number of pictures read */
  66     count_t         c_i_pictures;               /* number of I pictures read */
  67     count_t         c_p_pictures;               /* number of P pictures read */
  68     count_t         c_b_pictures;               /* number of B pictures read */
  69 #endif
  70     count_t         c_decoded_pictures;        /* number of pictures decoded */
  71     count_t         c_decoded_i_pictures;    /* number of I pictures decoded */
  72     count_t         c_decoded_p_pictures;    /* number of P pictures decoded */
  73     count_t         c_decoded_b_pictures;    /* number of B pictures decoded */
  74 #endif
  75 } vdec_thread_t;
  76
  77 /*****************************************************************************
  78  * Prototypes
  79  *****************************************************************************/
  80 #ifndef OLD_DECODER
  81 struct vpar_thread_s;
  82 struct macroblock_s;
  83 #endif
  84
  85 /* Thread management functions */
  86 #ifdef OLD_DECODER
  87 p_vdec_thread_t  vdec_CreateThread       ( /* video_cfg_t *p_cfg, */ input_thread_t *p_input /*,
  88                                           vout_thread_t *p_vout, int *pi_status */ );
  89 void             vdec_DestroyThread      ( vdec_thread_t *p_vdec /*, int *pi_status */ );
  90 #else
  91 #ifndef VDEC_SMP
  92 int             vdec_InitThread         ( struct vdec_thread_s *p_vdec );
  93 void            vdec_DecodeMacroblock   ( struct vdec_thread_s *p_vdec, struct macroblock_s *p_mb );
  94 #endif
  95 vdec_thread_t * vdec_CreateThread       ( struct vpar_thread_s *p_vpar /*, int *pi_status */ );
  96 void vdec_DestroyThread      ( vdec_thread_t *p_vdec /*, int *pi_status */ );
  97 #endif