PNGEncContext Struct Reference

Data Fields
AVClass *	class
HuffYUVEncDSPContext	hdsp
uint8_t *	bytestream
uint8_t *	bytestream_start
uint8_t *	bytestream_end
int	filter_type
z_stream	zstream
uint8_t	buf [IOBUF_SIZE]
int	dpi
	Physical pixel density, in dots per inch, if set. More...
int	dpm
	Physical pixel density, in dots per meter, if set. More...
int	is_progressive
int	bit_depth
int	color_type
int	bits_per_pixel
uint32_t	palette_checksum
uint32_t	sequence_number
AVFrame *	prev_frame
AVFrame *	last_frame
APNGFctlChunk	last_frame_fctl
uint8_t *	last_frame_packet
size_t	last_frame_packet_size

Detailed Description

Definition at line 48 of file pngenc.c.

Field Documentation

AVClass* PNGEncContext::class

Definition at line 49 of file pngenc.c.

HuffYUVEncDSPContext PNGEncContext::hdsp

Definition at line 50 of file pngenc.c.

Referenced by png_enc_init(), png_filter_row(), and sub_left_prediction().

uint8_t* PNGEncContext::bytestream

Definition at line 52 of file pngenc.c.

Referenced by apng_encode_frame(), encode_apng(), encode_frame(), encode_headers(), encode_png(), png_write_image_data(), and png_write_row().

uint8_t* PNGEncContext::bytestream_start

Definition at line 53 of file pngenc.c.

Referenced by encode_apng(), and encode_png().

uint8_t* PNGEncContext::bytestream_end

Definition at line 54 of file pngenc.c.

Referenced by apng_encode_frame(), encode_apng(), encode_frame(), encode_png(), and png_write_row().

int PNGEncContext::filter_type

Definition at line 56 of file pngenc.c.

Referenced by encode_frame(), png_choose_filter(), and png_enc_init().

z_stream PNGEncContext::zstream

Definition at line 58 of file pngenc.c.

Referenced by encode_apng(), encode_frame(), encode_png(), png_enc_close(), png_enc_init(), and png_write_row().

uint8_t PNGEncContext::buf[IOBUF_SIZE]

Definition at line 59 of file pngenc.c.

Referenced by encode_frame(), encode_headers(), and png_write_row().

int PNGEncContext::dpi

Physical pixel density, in dots per inch, if set.

Definition at line 60 of file pngenc.c.

Referenced by png_enc_init().

int PNGEncContext::dpm

Physical pixel density, in dots per meter, if set.

Definition at line 61 of file pngenc.c.

Referenced by encode_headers(), and png_enc_init().

int PNGEncContext::is_progressive

Definition at line 63 of file pngenc.c.

Referenced by encode_frame(), encode_headers(), and png_enc_init().

int PNGEncContext::bit_depth

Definition at line 64 of file pngenc.c.

Referenced by encode_headers(), and png_enc_init().

int PNGEncContext::color_type

Definition at line 65 of file pngenc.c.

Referenced by encode_apng(), encode_headers(), and png_enc_init().

int PNGEncContext::bits_per_pixel

Definition at line 66 of file pngenc.c.

Referenced by apng_encode_frame(), encode_apng(), encode_frame(), encode_png(), and png_enc_init().

uint32_t PNGEncContext::palette_checksum

Definition at line 69 of file pngenc.c.

Referenced by encode_apng().

uint32_t PNGEncContext::sequence_number

Definition at line 70 of file pngenc.c.

Referenced by apng_encode_frame(), encode_apng(), and png_write_image_data().

AVFrame* PNGEncContext::prev_frame

Definition at line 72 of file pngenc.c.

Referenced by apng_encode_frame(), encode_apng(), and png_enc_close().

AVFrame* PNGEncContext::last_frame

Definition at line 73 of file pngenc.c.

Referenced by apng_encode_frame(), encode_apng(), and png_enc_close().

APNGFctlChunk PNGEncContext::last_frame_fctl

Definition at line 74 of file pngenc.c.

Referenced by encode_apng().

uint8_t* PNGEncContext::last_frame_packet

Definition at line 75 of file pngenc.c.

Referenced by encode_apng(), and png_enc_close().

size_t PNGEncContext::last_frame_packet_size

Definition at line 76 of file pngenc.c.

Referenced by encode_apng().

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

• libavcodec/pngenc.c