From a855ff529f573bbf322bc32b3e279be90aca0716 Mon Sep 17 00:00:00 2001 From: Kieran Kunhya Date: Fri, 21 May 2021 13:13:46 +0100 Subject: [PATCH] smpte: Add SMPTE 334 header --- smpte/334.h | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 smpte/334.h diff --git a/smpte/334.h b/smpte/334.h new file mode 100644 index 0000000..541e1d0 --- /dev/null +++ b/smpte/334.h @@ -0,0 +1,56 @@ +/***************************************************************************** + * 334.h: Vertical Ancillary Data Mapping of Caption Data and Other Related Data / + Caption Distribution Packet (CDP) Definition + ***************************************************************************** + * Copyright (C) 2021 Open Broadcast Systems Ltd + * + * Authors: Kieran Kunhya + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject + * to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + *****************************************************************************/ + +/* + * Normative references: + * - SMPTE 334 + */ + +#ifndef __BITSTREAM_SMPTE_334_H__ +#define __BITSTREAM_SMPTE_334_H__ + +#include /* uint8_t, uint16_t, etc... */ +#include /* bool */ + +#ifdef __cplusplus +extern "C" +{ +#endif + +#define S334_CDP_IDENTIFIER 0x9669 +#define S334_CDP_HEADER_LEN 7 +#define S334_CDP_CCDATA_HEADER_LEN 2 +#define S334_CDP_CCDATA_ID 0x72 +#define S334_CDP_TIMECODE_LEN 5 +#define S334_CDP_FOOTER_LEN 4 + +#ifdef __cplusplus +} +#endif + +#endif