From 6c78ff49cd7992d447f00bbad6bbff877a6b5e45 Mon Sep 17 00:00:00 2001 From: Saxon Date: Fri, 15 Nov 2019 15:11:53 +1030 Subject: [PATCH] codec/mjpeg: added jpeg.go file to hold JPEG specific stuff and added some JPEG marker codes. --- codec/mjpeg/jpeg.go | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 codec/mjpeg/jpeg.go diff --git a/codec/mjpeg/jpeg.go b/codec/mjpeg/jpeg.go new file mode 100644 index 00000000..da878d83 --- /dev/null +++ b/codec/mjpeg/jpeg.go @@ -0,0 +1,36 @@ +/* +DESCRIPTION + jpeg.go contains constants, structure and functions specific to the JPEG. + +AUTHOR + Saxon Nelson-Milton + +LICENSE + Copyright (C) 2017 the Australian Ocean Lab (AusOcean) + + It is free software: you can redistribute it and/or modify them + under the terms of the GNU General Public License as published by the + Free Software Foundation, either version 3 of the License, or (at your + option) any later version. + + It is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License + along with revid in gpl.txt. If not, see http://www.gnu.org/licenses. +*/ + +package mjpeg + +// JPEG marker codes. +const ( + soi = 0xd8 // Start of image. + dri = 0xdd // Define restart interval. + dqt = 0xdb // Define quantization tables. + dht = 0xde // Define hierarchical progression. + sos = 0xda // Start of scan. + app0 = 0xe0 // TODO: find out what this is. + sof0 = 0xc0 // Baseline +)