PNGDecContext Struct Reference

Data Fields
PNGDSPContext	dsp
AVCodecContext *	avctx
GetByteContext	gb
ThreadFrame	previous_picture
ThreadFrame	last_picture
ThreadFrame	picture
int	state
int	width
int	height
int	cur_w
int	cur_h
int	last_w
int	last_h
int	x_offset
int	y_offset
int	last_x_offset
int	last_y_offset
uint8_t	dispose_op
uint8_t	blend_op
uint8_t	last_dispose_op
int	bit_depth
int	color_type
int	compression_type
int	interlace_type
int	filter_type
int	channels
int	bits_per_pixel
int	bpp
int	has_trns
uint8_t	transparent_color_be [6]
uint8_t *	image_buf
int	image_linesize
uint32_t	palette [256]
uint8_t *	crow_buf
uint8_t *	last_row
unsigned int	last_row_size
uint8_t *	tmp_row
unsigned int	tmp_row_size
uint8_t *	buffer
int	buffer_size
int	pass
int	crow_size
int	row_size
int	pass_row_size
int	y
z_stream	zstream

Detailed Description

Definition at line 39 of file pngdec.c.

Field Documentation

PNGDSPContext PNGDecContext::dsp

Definition at line 40 of file pngdec.c.

Referenced by png_dec_init().

AVCodecContext* PNGDecContext::avctx

Definition at line 41 of file pngdec.c.

Referenced by png_dec_init(), and png_decode_idat().

GetByteContext PNGDecContext::gb

Definition at line 43 of file pngdec.c.

Referenced by decode_fctl_chunk(), decode_frame_common(), decode_idat_chunk(), decode_ihdr_chunk(), decode_phys_chunk(), decode_plte_chunk(), decode_text_chunk(), decode_trns_chunk(), and png_decode_idat().

ThreadFrame PNGDecContext::previous_picture

Definition at line 44 of file pngdec.c.

Referenced by decode_frame_common(), decode_idat_chunk(), handle_p_frame_apng(), png_dec_end(), and png_dec_init().

ThreadFrame PNGDecContext::last_picture

Definition at line 45 of file pngdec.c.

Referenced by decode_frame_common(), handle_p_frame_apng(), handle_p_frame_png(), png_dec_end(), and png_dec_init().

ThreadFrame PNGDecContext::picture

Definition at line 46 of file pngdec.c.

Referenced by decode_frame_common(), decode_idat_chunk(), png_dec_end(), and png_dec_init().

int PNGDecContext::state

Definition at line 48 of file pngdec.c.

Referenced by decode_fctl_chunk(), decode_frame_common(), decode_idat_chunk(), decode_ihdr_chunk(), decode_phys_chunk(), decode_plte_chunk(), decode_trns_chunk(), and png_decode_idat().

int PNGDecContext::width

Definition at line 49 of file pngdec.c.

Referenced by decode_fctl_chunk(), decode_frame_common(), decode_idat_chunk(), decode_ihdr_chunk(), handle_p_frame_png(), and handle_small_bpp().

int PNGDecContext::height

Definition at line 49 of file pngdec.c.

Referenced by decode_fctl_chunk(), decode_frame_common(), decode_idat_chunk(), decode_ihdr_chunk(), handle_p_frame_apng(), handle_p_frame_png(), and handle_small_bpp().

int PNGDecContext::cur_w

Definition at line 50 of file pngdec.c.

Referenced by decode_fctl_chunk(), decode_idat_chunk(), decode_ihdr_chunk(), and handle_p_frame_apng().

int PNGDecContext::cur_h

Definition at line 50 of file pngdec.c.

Referenced by decode_fctl_chunk(), decode_ihdr_chunk(), and handle_p_frame_apng().

int PNGDecContext::last_w

Definition at line 51 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

int PNGDecContext::last_h

Definition at line 51 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

int PNGDecContext::x_offset

Definition at line 52 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

int PNGDecContext::y_offset

Definition at line 52 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

int PNGDecContext::last_x_offset

Definition at line 53 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

int PNGDecContext::last_y_offset

Definition at line 53 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

uint8_t PNGDecContext::dispose_op

Definition at line 54 of file pngdec.c.

Referenced by decode_fctl_chunk().

uint8_t PNGDecContext::blend_op

Definition at line 54 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

uint8_t PNGDecContext::last_dispose_op

Definition at line 55 of file pngdec.c.

Referenced by decode_fctl_chunk(), decode_idat_chunk(), and handle_p_frame_apng().

int PNGDecContext::bit_depth

Definition at line 56 of file pngdec.c.

Referenced by decode_frame_common(), decode_idat_chunk(), decode_ihdr_chunk(), and decode_trns_chunk().

int PNGDecContext::color_type

Definition at line 57 of file pngdec.c.

Referenced by decode_frame_common(), decode_idat_chunk(), decode_ihdr_chunk(), decode_trns_chunk(), and handle_small_bpp().

int PNGDecContext::compression_type

Definition at line 58 of file pngdec.c.

Referenced by decode_ihdr_chunk().

int PNGDecContext::interlace_type

Definition at line 59 of file pngdec.c.

Referenced by decode_idat_chunk(), and decode_ihdr_chunk().

int PNGDecContext::filter_type

Definition at line 60 of file pngdec.c.

Referenced by decode_ihdr_chunk().

int PNGDecContext::channels

Definition at line 61 of file pngdec.c.

Referenced by decode_idat_chunk().

int PNGDecContext::bits_per_pixel

Definition at line 62 of file pngdec.c.

Referenced by decode_frame_common(), decode_idat_chunk(), and handle_small_bpp().

int PNGDecContext::bpp

Definition at line 63 of file pngdec.c.

Referenced by decode_frame_common(), decode_idat_chunk(), handle_p_frame_apng(), and handle_p_frame_png().

int PNGDecContext::has_trns

Definition at line 64 of file pngdec.c.

Referenced by decode_fctl_chunk(), decode_frame_common(), decode_idat_chunk(), and decode_trns_chunk().

uint8_t PNGDecContext::transparent_color_be[6]

Definition at line 65 of file pngdec.c.

Referenced by decode_frame_common(), and decode_trns_chunk().

uint8_t* PNGDecContext::image_buf

Definition at line 67 of file pngdec.c.

Referenced by decode_frame_common(), and decode_idat_chunk().

int PNGDecContext::image_linesize

Definition at line 68 of file pngdec.c.

Referenced by decode_frame_common(), decode_idat_chunk(), handle_p_frame_apng(), handle_p_frame_png(), and handle_small_bpp().

uint32_t PNGDecContext::palette[256]

Definition at line 69 of file pngdec.c.

Referenced by decode_idat_chunk(), decode_plte_chunk(), decode_trns_chunk(), and handle_p_frame_apng().

uint8_t* PNGDecContext::crow_buf

Definition at line 70 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_decode_idat().

uint8_t* PNGDecContext::last_row

Definition at line 71 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_dec_end().

unsigned int PNGDecContext::last_row_size

Definition at line 72 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_dec_end().

uint8_t* PNGDecContext::tmp_row

Definition at line 73 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_dec_end().

unsigned int PNGDecContext::tmp_row_size

Definition at line 74 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_dec_end().

uint8_t* PNGDecContext::buffer

Definition at line 75 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_dec_end().

int PNGDecContext::buffer_size

Definition at line 76 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_dec_end().

int PNGDecContext::pass

Definition at line 77 of file pngdec.c.

Referenced by decode_idat_chunk().

int PNGDecContext::crow_size

Definition at line 78 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_decode_idat().

int PNGDecContext::row_size

Definition at line 79 of file pngdec.c.

Referenced by decode_idat_chunk().

int PNGDecContext::pass_row_size

Definition at line 80 of file pngdec.c.

Referenced by decode_idat_chunk().

int PNGDecContext::y

Definition at line 81 of file pngdec.c.

z_stream PNGDecContext::zstream

Definition at line 82 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_decode_idat().

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The documentation for this struct was generated from the following file:

• libavcodec/pngdec.c