From 04adac9b6f74c6127ab9e340a2dfefa30c3f4f10 Mon Sep 17 00:00:00 2001 From: Christophe Massiot Date: Tue, 9 Aug 2016 19:33:49 +0200 Subject: [PATCH] SMPTE 2010 --- smpte/2010.h | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 smpte/2010.h diff --git a/smpte/2010.h b/smpte/2010.h new file mode 100644 index 0000000..f258329 --- /dev/null +++ b/smpte/2010.h @@ -0,0 +1,75 @@ +/***************************************************************************** + * 2010.h: SMPTE 2010 VANC mapping of SCTE 104 + ***************************************************************************** + * Copyright (C) 2016 OpenHeadend + * + * Authors: Christophe Massiot + * + * 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 2010 + */ + +#ifndef __BITSTREAM_SMPTE_2010_H__ +#define __BITSTREAM_SMPTE_2010_H__ + +#include /* uint8_t, uint16_t, etc... */ +#include /* bool */ + +#ifdef __cplusplus +extern "C" +{ +#endif + +/***************************************************************************** + * SMPTE 2010 ancillary data + *****************************************************************************/ +#define S2010_HEADER_SIZE 1 + +#define S2010_VERSION 1 + +static inline uint8_t s2010_get_version(const uint16_t *p_s2010) +{ + return (p_s2010[0] & 0x18) >> 3; +} + +static inline bool s2010_get_continued(const uint16_t *p_s2010) +{ + return p_s2010[0] & 0x04; +} + +static inline bool s2010_get_following(const uint16_t *p_s2010) +{ + return p_s2010[0] & 0x02; +} + +static inline bool s2010_get_duplicate(const uint16_t *p_s2010) +{ + return p_s2010[0] & 0x01; +} + +#ifdef __cplusplus +} +#endif + +#endif