Illusion/avif-odin
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Illusion
2024-05-03 01:42:45 +02:00
parent f63799bc25
commit b8abea334d
3 changed files with 514 additions and 57 deletions
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avif.odin
+16 -5
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@@ -7,7 +7,7 @@ import "core:encoding/endian"
import "core:io"
import "core:strings"
Error :: image.Error
//Error :: image.Error
//Image :: image.Image
Options :: image.Options
@@ -130,14 +130,14 @@ read_box :: proc(img: ^Image, reader: ^Reader) -> (err: io.Error) {
}
// if the Box has a size 0 then it's the last Box, parse it and return EOF
if reader.size == 0 {
if reader.box.size == 0 {
err = .EOF
}
fmt.println("box size:", reader.size)
fmt.println("type:", reader.type)
fmt.println("box size:", reader.box.size)
fmt.println("type:", reader.box.type)
#partial switch reader.type {
#partial switch reader.box.type {
case .FTYP:
read_ftyp(img, reader)
case .META:
@@ -164,6 +164,8 @@ read_box :: proc(img: ^Image, reader: ^Reader) -> (err: io.Error) {
read_colr(reader)
case .IPMA:
read_ipma(reader)
case .MDAT:
read_mdat(reader)
case:
// Skip unknown boxes
skip_box(reader)
@@ -172,6 +174,15 @@ read_box :: proc(img: ^Image, reader: ^Reader) -> (err: io.Error) {
return err
}
@(private)
read_mdat :: proc(reader: ^Reader) {
// TODO:
read_obu(reader)
read_obu(reader)
read_obu(reader)
read_obu(reader)
}
@(private)
read_ipma :: proc(reader: ^Reader) {
vaf, _ := read_bitfield(reader, VersionAndFlags)