H264Parser Class Reference

#include <H264Parser.h>

Public Types
enum	{ MAX_SLICE_HEADER_SIZE = 256 }
enum	NAL_unit_type { UNKNOWN = 0, SLICE = 1, SLICE_DPA = 2, SLICE_DPB = 3, SLICE_DPC = 4, SLICE_IDR = 5, SEI = 6, SPS = 7, PPS = 8, AU_DELIMITER = 9, END_SEQUENCE = 10, END_STREAM = 11, FILLER_DATA = 12, SPS_EXT = 13, AUXILIARY_SLICE = 19 }
enum	SEI_type { SEI_TYPE_PIC_TIMING = 1, SEI_TYPE_USER_DATA_UNREGISTERED = 5, SEI_TYPE_RECOVERY_POINT = 6 }
enum	SLICE_type { SLICE_P = 0, SLICE_B = 1, SLICE_I = 2, SLICE_SP = 3, SLICE_SI = 4, SLICE_P_a = 5, SLICE_B_a = 6, SLICE_I_a = 7, SLICE_SP_a = 8, SLICE_SI_a = 9, SLICE_UNDEF = 10 }
enum	frame_type { FRAME = 'F', FIELD_TOP = 'T', FIELD_BOTTOM = 'B' }
Public Member Functions
	H264Parser (void)
	~H264Parser (void)
uint32_t	addBytes (const uint8_t *bytes, const uint32_t byte_count, const uint64_t stream_offset)
void	Reset (void)
QString	NAL_type_str (uint8_t type)
bool	stateChanged (void) const
uint8_t	lastNALtype (void) const
frame_type	FieldType (void) const
bool	onFrameStart (void) const
bool	onKeyFrameStart (void) const
uint	pictureWidth (void) const
uint	pictureHeight (void) const
uint	aspectRatio (void) const
	Computes aspect ratio from picture size and sample aspect ratio.
uint	frameRate (void) const
uint64_t	frameAUstreamOffset (void) const
uint64_t	keyframeAUstreamOffset (void) const
void	use_I_forKeyframes (bool val)
uint32_t	GetTimeScale (void) const
uint32_t	GetUnitsInTick (void) const
void	parse_SPS (uint8_t *sps, uint32_t sps_size, bool &interlaced, int32_t &max_ref_frames)
Static Public Member Functions
static int	isKeySlice (uint slice_type)
static bool	NALisSlice (uint8_t nal_type)
Private Types
enum	constants { EXTENDED_SAR = 255 }
Private Member Functions
void	set_AU_pending (void)
bool	new_AU (void)
void	resetRBSP (void)
bool	fillRBSP (const uint8_t *byteP, uint32_t byte_count, bool found_start_code)
void	processRBSP (bool rbsp_complete)
bool	decode_Header (GetBitContext *gb)
void	decode_SPS (GetBitContext *gb)
void	decode_PPS (GetBitContext *gb)
void	decode_SEI (GetBitContext *gb)
void	vui_parameters (GetBitContext *gb)
Private Attributes
bool	AU_pending
bool	state_changed
bool	seen_sps
bool	au_contains_keyframe_message
bool	is_keyframe
bool	I_is_keyframe
uint32_t	sync_accumulator
uint8_t *	rbsp_buffer
uint32_t	rbsp_buffer_size
uint32_t	rbsp_index
uint32_t	consecutive_zeros
bool	have_unfinished_NAL
int	prev_frame_num
int	frame_num
uint	slice_type
int	prev_pic_parameter_set_id
int	pic_parameter_set_id
int8_t	prev_field_pic_flag
int8_t	field_pic_flag
int8_t	prev_bottom_field_flag
int8_t	bottom_field_flag
uint8_t	prev_nal_ref_idc
uint8_t	nal_ref_idc
uint8_t	prev_pic_order_cnt_type
uint8_t	pic_order_cnt_type
int	prev_pic_order_cnt_lsb
int	pic_order_cnt_lsb
int	prev_delta_pic_order_cnt_bottom
int	delta_pic_order_cnt_bottom
int	prev_delta_pic_order_cnt [2]
int	delta_pic_order_cnt [2]
uint8_t	prev_nal_unit_type
uint8_t	nal_unit_type
uint	prev_idr_pic_id
uint	idr_pic_id
uint	log2_max_frame_num
uint	log2_max_pic_order_cnt_lsb
uint	seq_parameter_set_id
uint8_t	delta_pic_order_always_zero_flag
uint8_t	separate_colour_plane_flag
int8_t	frame_mbs_only_flag
int8_t	pic_order_present_flag
int8_t	redundant_pic_cnt_present_flag
uint	num_ref_frames
uint	redundant_pic_cnt
uint	pic_width
uint	pic_height
uint	frame_crop_left_offset
uint	frame_crop_right_offset
uint	frame_crop_top_offset
uint	frame_crop_bottom_offset
uint8_t	aspect_ratio_idc
uint	sar_width
uint	sar_height
uint32_t	unitsInTick
uint32_t	timeScale
bool	fixedRate
uint64_t	pkt_offset
uint64_t	AU_offset
uint64_t	frame_start_offset
uint64_t	keyframe_start_offset
bool	on_frame
bool	on_key_frame

Detailed Description

Definition at line 51 of file H264Parser.h.

Member Enumeration Documentation

anonymous enum

Enumerator:

MAX_SLICE_HEADER_SIZE

Definition at line 54 of file H264Parser.h.

enum H264Parser::NAL_unit_type

Enumerator:

UNKNOWN
SLICE
SLICE_DPA
SLICE_DPB
SLICE_DPC
SLICE_IDR
SEI
SPS
PPS
AU_DELIMITER
END_SEQUENCE
END_STREAM
FILLER_DATA
SPS_EXT
AUXILIARY_SLICE