| /* 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__ */ |
