nal.h File Reference

#include <stdint.h>
#include <vdpau/vdpau.h>

Go to the source code of this file.

Data Structures
struct	hrd_parameters
struct	seq_parameter_set_rbsp
struct	pic_parameter_set_rbsp
struct	sei_message
struct	slice_header
struct	nal_unit
struct	nal_buffer

Enumerations
enum	nal_unit_types {   NAL_UNSPECIFIED = 0, NAL_SLICE, NAL_PART_A, NAL_PART_B,   NAL_PART_C, NAL_SLICE_IDR, NAL_SEI, NAL_SPS,   NAL_PPS, NAL_AU_DELIMITER, NAL_END_OF_SEQUENCE, NAL_END_OF_STREAM,   NAL_FILLER_DATA, NAL_SPS_EXT }
enum	pic_struct {   DISP_FRAME = 0, DISP_TOP, DISP_BOTTOM, DISP_TOP_BOTTOM,   DISP_BOTTOM_TOP, DISP_TOP_BOTTOM_TOP, DISP_BOTTOM_TOP_BOTTOM, DISP_FRAME_DOUBLING,   DISP_FRAME_TRIPLING }
enum	ct_type { CT_PROGRESSIVE = 0, CT_INTERLACED, CT_UNKNOWN, CT_RESERVED }
enum	slice_types {   SLICE_P = 0, SLICE_B, SLICE_I, SLICE_SP,   SLICE_SI }
enum	aspect_ratio {   ASPECT_UNSPECIFIED = 0, ASPECT_1_1, ASPECT_12_11, ASPECT_10_11,   ASPECT_16_11, ASPECT_40_33, ASPECT_24_11, ASPECT_20_11,   ASPECT_32_11, ASPECT_80_33, ASPECT_18_11, ASPECT_15_11,   ASPECT_64_33, ASPECT_160_99, ASPECT_4_3, ASPECT_3_2,   ASPECT_2_1, ASPECT_RESERVED, ASPECT_EXTENDED_SAR = 255, ASPECT_UNSPECIFIED = 0,   ASPECT_1_1, ASPECT_12_11, ASPECT_10_11, ASPECT_16_11,   ASPECT_40_33, ASPECT_24_11, ASPECT_20_11, ASPECT_32_11,   ASPECT_80_33, ASPECT_18_11, ASPECT_15_11, ASPECT_64_33,   ASPECT_160_99, ASPECT_4_3, ASPECT_3_2, ASPECT_2_1,   ASPECT_RESERVED, ASPECT_EXTENDED_SAR =255 }

Functions
static uint32_t	slice_type (uint32_t slice_type)
static struct nal_buffer *	create_nal_buffer (uint8_t max_size)
static void	free_nal_buffer (struct nal_buffer *nal_buffer)
static void	nal_buffer_append (struct nal_buffer *nal_buffer, struct nal_unit *nal)
static void	nal_buffer_remove (struct nal_buffer *nal_buffer, struct nal_unit *nal)
static struct nal_unit *	nal_buffer_get_by_sps_id (struct nal_buffer *nal_buffer, uint32_t seq_parameter_set_id)
static struct nal_unit *	nal_buffer_get_by_pps_id (struct nal_buffer *nal_buffer, uint32_t pic_parameter_set_id)
static struct nal_unit *	nal_buffer_get_last (struct nal_buffer *nal_buffer)
static struct nal_unit *	create_nal_unit (void)
static void	lock_nal_unit (struct nal_unit *nal)
static void	release_nal_unit (struct nal_unit *nal)

Variables
static const uint8_t	zigzag_4x4 [16]
static const uint8_t	zigzag_8x8 [64]

Enumeration Type Documentation

aspect_ratio

enum aspect_ratio

Enumerator
ASPECT_UNSPECIFIED
ASPECT_1_1
ASPECT_12_11
ASPECT_10_11
ASPECT_16_11
ASPECT_40_33
ASPECT_24_11
ASPECT_20_11
ASPECT_32_11
ASPECT_80_33
ASPECT_18_11
ASPECT_15_11
ASPECT_64_33
ASPECT_160_99
ASPECT_4_3
ASPECT_3_2
ASPECT_2_1
ASPECT_RESERVED
ASPECT_EXTENDED_SAR
ASPECT_UNSPECIFIED
ASPECT_1_1
ASPECT_12_11
ASPECT_10_11
ASPECT_16_11
ASPECT_40_33
ASPECT_24_11
ASPECT_20_11
ASPECT_32_11
ASPECT_80_33
ASPECT_18_11
ASPECT_15_11
ASPECT_64_33
ASPECT_160_99
ASPECT_4_3
ASPECT_3_2
ASPECT_2_1
ASPECT_RESERVED
ASPECT_EXTENDED_SAR

ct_type

enum ct_type

Enumerator
CT_PROGRESSIVE
CT_INTERLACED
CT_UNKNOWN
CT_RESERVED

nal_unit_types

enum nal_unit_types

Enumerator
NAL_UNSPECIFIED
NAL_SLICE
NAL_PART_A
NAL_PART_B
NAL_PART_C
NAL_SLICE_IDR
NAL_SEI
NAL_SPS
NAL_PPS
NAL_AU_DELIMITER
NAL_END_OF_SEQUENCE
NAL_END_OF_STREAM
NAL_FILLER_DATA
NAL_SPS_EXT

pic_struct

enum pic_struct

Enumerator
DISP_FRAME
DISP_TOP
DISP_BOTTOM
DISP_TOP_BOTTOM
DISP_BOTTOM_TOP
DISP_TOP_BOTTOM_TOP
DISP_BOTTOM_TOP_BOTTOM
DISP_FRAME_DOUBLING
DISP_FRAME_TRIPLING

slice_types

enum slice_types

Enumerator
SLICE_P
SLICE_B
SLICE_I
SLICE_SP
SLICE_SI

Function Documentation

create_nal_buffer()

static struct nal_buffer* create_nal_buffer ( uint8_t  max_size )

static

create_nal_unit()

static struct nal_unit* create_nal_unit ( void  )

static

free_nal_buffer()

static void free_nal_buffer ( struct nal_buffer *  nal_buffer )

static

lock_nal_unit()

static void lock_nal_unit ( struct nal_unit *  nal )

static

nal_buffer_append()

static void nal_buffer_append ( struct nal_buffer *  nal_buffer, struct nal_unit *  nal  )

static

nal_buffer_get_by_pps_id()

static struct nal_unit* nal_buffer_get_by_pps_id ( struct nal_buffer *  nal_buffer, uint32_t  pic_parameter_set_id  )

static

nal_buffer_get_by_sps_id()

static struct nal_unit* nal_buffer_get_by_sps_id ( struct nal_buffer *  nal_buffer, uint32_t  seq_parameter_set_id  )

static

nal_buffer_get_last()

static struct nal_unit* nal_buffer_get_last ( struct nal_buffer *  nal_buffer )

static

nal_buffer_remove()

static void nal_buffer_remove ( struct nal_buffer *  nal_buffer, struct nal_unit *  nal  )

static

release_nal_unit()

static void release_nal_unit ( struct nal_unit *  nal )

static

slice_type()

static uint32_t slice_type ( uint32_t  slice_type )

inlinestatic

Referenced by parse_slice_header(), and pred_weight_table().

Variable Documentation

zigzag_4x4

const uint8_t zigzag_4x4[16]

static

Initial value:

= {
  0+0*4, 1+0*4, 0+1*4, 0+2*4,
  1+1*4, 2+0*4, 3+0*4, 2+1*4,
  1+2*4, 0+3*4, 1+3*4, 2+2*4,
  3+1*4, 3+2*4, 2+3*4, 3+3*4,
}

zigzag_8x8

const uint8_t zigzag_8x8[64]

static

Initial value:

= {
  0+0*8, 1+0*8, 0+1*8, 0+2*8,
  1+1*8, 2+0*8, 3+0*8, 2+1*8,
  1+2*8, 0+3*8, 0+4*8, 1+3*8,
  2+2*8, 3+1*8, 4+0*8, 5+0*8,
  4+1*8, 3+2*8, 2+3*8, 1+4*8,
  0+5*8, 0+6*8, 1+5*8, 2+4*8,
  3+3*8, 4+2*8, 5+1*8, 6+0*8,
  7+0*8, 6+1*8, 5+2*8, 4+3*8,
  3+4*8, 2+5*8, 1+6*8, 0+7*8,
  1+7*8, 2+6*8, 3+5*8, 4+4*8,
  5+3*8, 6+2*8, 7+1*8, 7+2*8,
  6+3*8, 5+4*8, 4+5*8, 3+6*8,
  2+7*8, 3+7*8, 4+6*8, 5+5*8,
  6+4*8, 7+3*8, 7+4*8, 6+5*8,
  5+6*8, 4+7*8, 5+7*8, 6+6*8,
  7+5*8, 7+6*8, 6+7*8, 7+7*8,
}