modules/packetizer/hxxx_sei.h

   1 /*****************************************************************************
   2  * hxxx_sei.h: AVC/HEVC packetizers SEI handling
   3  *****************************************************************************
   4  * Copyright (C) 2001-2016 VLC authors and VideoLAN
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20 #ifndef HXXX_SEI_H
  21 #define HXXX_SEI_H
  22
  23 /* Defined in H.264/H.265 annex D */
  24 enum hxxx_sei_type_e
  25 {
  26     HXXX_SEI_PIC_TIMING = 1,
  27     HXXX_SEI_USER_DATA_REGISTERED_ITU_T_T35 = 4,
  28     HXXX_SEI_RECOVERY_POINT = 6,
  29     HXXX_SEI_FRAME_PACKING_ARRANGEMENT = 45,
  30     HXXX_SEI_MASTERING_DISPLAY_COLOUR_VOLUME = 137, /* SMPTE ST 2086 */
  31     HXXX_SEI_CONTENT_LIGHT_LEVEL = 144,
  32 };
  33
  34 enum hxxx_sei_t35_type_e
  35 {
  36     HXXX_ITU_T35_TYPE_CC,
  37 };
  38
  39 typedef struct
  40 {
  41     unsigned i_type;
  42     union
  43     {
  44         bs_t *p_bs; /* for raw/unhandled in common code callbacks */
  45         struct
  46         {
  47             enum hxxx_sei_t35_type_e type;
  48             union
  49             {
  50                 struct
  51                 {
  52                     const uint8_t *p_data;
  53                     size_t i_data;
  54                 } cc;
  55             } u;
  56         } itu_t35;
  57         struct
  58         {
  59             enum
  60             {
  61                 FRAME_PACKING_CANCEL = -1,
  62                 FRAME_PACKING_INTERLEAVED_CHECKERBOARD = 0,
  63                 FRAME_PACKING_INTERLEAVED_COLUMN,
  64                 FRAME_PACKING_INTERLEAVED_ROW,
  65                 FRAME_PACKING_SIDE_BY_SIDE,
  66                 FRAME_PACKING_TOP_BOTTOM,
  67                 FRAME_PACKING_TEMPORAL,
  68                 FRAME_PACKING_NONE_2D,
  69                 FRAME_PACKING_TILED,
  70             } type;
  71             bool b_flipped;
  72             bool b_left_first;
  73             bool b_fields;
  74             bool b_frame0;
  75         } frame_packing;
  76         struct
  77         {
  78             int i_frames;
  79         } recovery;
  80         struct
  81         {
  82             uint16_t primaries[3*2]; /* G,B,R / x,y */
  83             uint16_t white_point[2]; /* x,y */
  84             uint32_t max_luminance;
  85             uint32_t min_luminance;
  86         } colour_volume; /* SMPTE ST 2086 */
  87         struct
  88         {
  89             uint16_t MaxCLL;
  90             uint16_t MaxFALL;
  91         } content_light_lvl; /* CTA-861.3 */
  92     };
  93 } hxxx_sei_data_t;
  94
  95 typedef bool (*pf_hxxx_sei_callback)(const hxxx_sei_data_t *, void *);
  96 void HxxxParseSEI(const uint8_t *, size_t, uint8_t, pf_hxxx_sei_callback, void *);
  97 void HxxxParse_AnnexB_SEI(const uint8_t *, size_t, uint8_t, pf_hxxx_sei_callback, void *);
  98
  99 #endif