/* GStreamer * Copyright (C) 2009 Wim Taymans <wim.taymans@gmail.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __GST_RTP_J2K_COMMON_H__ #define __GST_RTP_J2K_COMMON_H__ /* Sampling values from RFC 5371 for JPEG 2000 over RTP : https://datatracker.ietf.org/doc/rfc5371/C RGB: standard Red, Green, Blue color space. BGR: standard Blue, Green, Red color space. RGBA: standard Red, Green, Blue, Alpha color space. BGRA: standard Blue, Green, Red, Alpha color space. YCbCr-4:4:4: standard YCbCr color space; no subsampling. YCbCr-4:2:2: standard YCbCr color space; Cb and Cr are subsampled horizontally by 1/2. YCbCr-4:2:0: standard YCbCr color space; Cb and Cr are subsampled horizontally and vertically by 1/2. YCbCr-4:1:1: standard YCbCr color space; Cb and Cr are subsampled vertically by 1/4. GRAYSCALE: basically, a single component image of just multilevels of grey. */ #define GST_RTP_J2K_RGB "RGB" #define GST_RTP_J2K_BGR "BGR" #define GST_RTP_J2K_RGBA "RGBA" #define GST_RTP_J2K_BGRA "BGRA" #define GST_RTP_J2K_YBRA "YCbCrA" #define GST_RTP_J2K_YBR444 "YCbCr-4:4:4" #define GST_RTP_J2K_YBR422 "YCbCr-4:2:2" #define GST_RTP_J2K_YBR420 "YCbCr-4:2:0" #define GST_RTP_J2K_YBR410 "YCbCr-4:1:0" #define GST_RTP_J2K_GRAYSCALE "GRAYSCALE" #define GST_RTP_J2K_SAMPLING_LIST "sampling = (string) {\"RGB\", \"BGR\", \"RGBA\", \"BGRA\", \"YCbCrA\", \"YCbCr-4:4:4\", \"YCbCr-4:2:2\", \"YCbCr-4:2:0\", \"YCbCr-4:1:1\", \"GRAYSCALE\"}" typedef enum { GST_RTP_SAMPLING_NONE, GST_RTP_SAMPLING_RGB, GST_RTP_SAMPLING_BGR, GST_RTP_SAMPLING_RGBA, GST_RTP_SAMPLING_BGRA, GST_RTP_SAMPLING_YBRA, GST_RTP_SAMPLING_YBR444, GST_RTP_SAMPLING_YBR422, GST_RTP_SAMPLING_YBR420, GST_RTP_SAMPLING_YBR410, GST_RTP_SAMPLING_GRAYSCALE } GstRtpSampling; /* * GstRtpJ2KMarker: * @GST_J2K_MARKER: Prefix for JPEG 2000 marker * @GST_J2K_MARKER_SOC: Start of Codestream * @GST_J2K_MARKER_SOT: Start of tile * @GST_J2K_MARKER_EOC: End of Codestream * * Identifiers for markers in JPEG 2000 code streams */ typedef enum { GST_J2K_MARKER = 0xFF, GST_J2K_MARKER_SOC = 0x4F, GST_J2K_MARKER_SOT = 0x90, GST_J2K_MARKER_SOP = 0x91, GST_J2K_MARKER_EPH = 0x92, GST_J2K_MARKER_SOD = 0x93, GST_J2K_MARKER_EOC = 0xD9 } GstRtpJ2KMarker; #define GST_RTP_J2K_HEADER_SIZE 8 #endif /* __GST_RTP_J2K_COMMON_H__ */