FFmpeg
Data Fields
PNGDecContext Struct Reference

Data Fields

PNGDSPContext dsp
 
AVCodecContextavctx
 
GetByteContext gb
 
ThreadFrame previous_picture
 
ThreadFrame last_picture
 
ThreadFrame picture
 
enum PNGHeaderState hdr_state
 
enum PNGImageState pic_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_timage_buf
 
int image_linesize
 
uint32_t palette [256]
 
uint8_tcrow_buf
 
uint8_tlast_row
 
unsigned int last_row_size
 
uint8_ttmp_row
 
unsigned int tmp_row_size
 
uint8_tbuffer
 
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 51 of file pngdec.c.

Field Documentation

PNGDSPContext PNGDecContext::dsp

Definition at line 52 of file pngdec.c.

Referenced by png_dec_init().

AVCodecContext* PNGDecContext::avctx

Definition at line 53 of file pngdec.c.

Referenced by decode_frame_common(), decode_iccp_chunk(), png_dec_init(), and png_decode_idat().

GetByteContext PNGDecContext::gb
ThreadFrame PNGDecContext::previous_picture
ThreadFrame PNGDecContext::last_picture
ThreadFrame PNGDecContext::picture

Definition at line 58 of file pngdec.c.

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

enum PNGHeaderState PNGDecContext::hdr_state
enum PNGImageState PNGDecContext::pic_state
int PNGDecContext::width
int PNGDecContext::height
int PNGDecContext::cur_w
int PNGDecContext::cur_h
int PNGDecContext::last_w

Definition at line 64 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

int PNGDecContext::last_h

Definition at line 64 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

int PNGDecContext::x_offset

Definition at line 65 of file pngdec.c.

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

int PNGDecContext::y_offset

Definition at line 65 of file pngdec.c.

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

int PNGDecContext::last_x_offset

Definition at line 66 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

int PNGDecContext::last_y_offset

Definition at line 66 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

uint8_t PNGDecContext::dispose_op

Definition at line 67 of file pngdec.c.

Referenced by decode_fctl_chunk(), and decode_frame_common().

uint8_t PNGDecContext::blend_op

Definition at line 67 of file pngdec.c.

Referenced by decode_fctl_chunk(), and handle_p_frame_apng().

uint8_t PNGDecContext::last_dispose_op

Definition at line 68 of file pngdec.c.

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

int PNGDecContext::bit_depth
int PNGDecContext::color_type
int PNGDecContext::compression_type

Definition at line 71 of file pngdec.c.

Referenced by decode_frame_common(), and decode_ihdr_chunk().

int PNGDecContext::interlace_type

Definition at line 72 of file pngdec.c.

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

int PNGDecContext::filter_type

Definition at line 73 of file pngdec.c.

Referenced by decode_frame_common(), and decode_ihdr_chunk().

int PNGDecContext::channels

Definition at line 74 of file pngdec.c.

Referenced by decode_idat_chunk().

int PNGDecContext::bits_per_pixel

Definition at line 75 of file pngdec.c.

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

int PNGDecContext::bpp
int PNGDecContext::has_trns
uint8_t PNGDecContext::transparent_color_be[6]

Definition at line 78 of file pngdec.c.

Referenced by decode_frame_common(), and decode_trns_chunk().

uint8_t* PNGDecContext::image_buf

Definition at line 80 of file pngdec.c.

Referenced by decode_frame_common(), and decode_idat_chunk().

int PNGDecContext::image_linesize
uint32_t PNGDecContext::palette[256]
uint8_t* PNGDecContext::crow_buf

Definition at line 83 of file pngdec.c.

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

uint8_t* PNGDecContext::last_row

Definition at line 84 of file pngdec.c.

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

unsigned int PNGDecContext::last_row_size

Definition at line 85 of file pngdec.c.

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

uint8_t* PNGDecContext::tmp_row

Definition at line 86 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_dec_end().

unsigned int PNGDecContext::tmp_row_size

Definition at line 87 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_dec_end().

uint8_t* PNGDecContext::buffer

Definition at line 88 of file pngdec.c.

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

int PNGDecContext::buffer_size

Definition at line 89 of file pngdec.c.

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

int PNGDecContext::pass

Definition at line 90 of file pngdec.c.

Referenced by decode_idat_chunk(), and png_put_interlaced_row().

int PNGDecContext::crow_size

Definition at line 91 of file pngdec.c.

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

int PNGDecContext::row_size

Definition at line 92 of file pngdec.c.

Referenced by decode_frame_common(), and decode_idat_chunk().

int PNGDecContext::pass_row_size

Definition at line 93 of file pngdec.c.

Referenced by decode_idat_chunk().

int PNGDecContext::y

Definition at line 94 of file pngdec.c.

Referenced by decode_frame_common(), and handle_p_frame_apng().

z_stream PNGDecContext::zstream

Definition at line 95 of file pngdec.c.

Referenced by decode_frame_common(), decode_idat_chunk(), decode_zbuf(), and png_decode_idat().


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