git.maemo.org Git - mardrone/blob - mardrone/ARDrone_SDK_Version_1_8_20110726/ARDroneLib/VLIB/UVLC/uvlc_layers.h

   1 #ifndef _UVLC_LAYERS_H_
   2 #define _UVLC_LAYERS_H_
   3
   4 #include <VP_Os/vp_os_types.h>
   5 #include <VLIB/video_macroblock.h>
   6
   7 #define MAKE_START_CODE(gob)      ( UVLC_CODEC | (gob) )
   8 #define PICTURE_START_CODE        MAKE_START_CODE(0)
   9 #define PICTURE_END_CODE          MAKE_START_CODE(0x1F)
  10
  11 #define UVLC_FORMAT_CIF   1
  12 #define UVLC_FORMAT_VGA   2
  13
  14 #define UVLC_RESOLUTION_SUBQ  1 /* sub-QCIF */
  15 #define UVLC_RESOLUTION_Q     2 /* QCIF     */
  16 #define UVLC_RESOLUTION_1     3 /* CIF      */
  17 #define UVLC_RESOLUTION_4     4 /* 4-CIF    */
  18 #define UVLC_RESOLUTION_16    5 /* 16-CIF   */
  19
  20 typedef struct _uvlc_mb_layer_t {
  21   uint32_t desc;
  22   uint32_t dquant;
  23 } uvlc_mb_layer_t;
  24
  25 typedef struct _uvlc_gob_layer_t {
  26   video_macroblock_t* macroblocks;
  27   uint32_t quant;
  28 } uvlc_gob_layer_t;
  29
  30 typedef struct _uvlc_picture_layer_t {
  31   uint32_t format;
  32   uint32_t resolution;
  33   uint32_t picture_type;
  34   uint32_t quant;
  35   uvlc_gob_layer_t* gobs;
  36 } uvlc_picture_layer_t;
  37
  38 C_RESULT uvlc_write_picture_layer( video_controller_t* controller, video_stream_t* stream );
  39 C_RESULT uvlc_read_picture_layer( video_controller_t* controller, video_stream_t* stream );
  40
  41 C_RESULT uvlc_write_gob_layer( video_stream_t* stream, uvlc_gob_layer_t* gob );
  42 C_RESULT uvlc_read_gob_layer( video_stream_t* stream, uvlc_gob_layer_t* gob );
  43
  44 C_RESULT uvlc_write_mb_layer( video_stream_t* stream, video_macroblock_t* mb, int32_t num_macro_blocks );
  45 C_RESULT uvlc_read_mb_layer( video_stream_t* stream, video_macroblock_t* mb, int32_t num_macro_blocks );
  46
  47 #endif // _UVLC_LAYERS_H_