SMPTE 2010

smpte/2010.h

@@ -0,0 +1,75 @@
+/*****************************************************************************
+ * 2010.h: SMPTE 2010 VANC mapping of SCTE 104
+ *****************************************************************************
+ * Copyright (C) 2016 OpenHeadend
+ *
+ * Authors: Christophe Massiot <cmassiot@openheadend.tv>
+ *
+ * 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 <stdint.h>   /* uint8_t, uint16_t, etc... */
+#include <stdbool.h>  /* 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