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-rw-r--r--lib/libucsi/mpeg/metadata_std_descriptor.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/libucsi/mpeg/metadata_std_descriptor.h b/lib/libucsi/mpeg/metadata_std_descriptor.h
new file mode 100644
index 0000000..fc83e6e
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+++ b/lib/libucsi/mpeg/metadata_std_descriptor.h
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+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_MPEG_METADATA_STD_DESCRIPTOR
+#define _UCSI_MPEG_METADATA_STD_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+
+/**
+ * mpeg_metadata_std_descriptor structure.
+ */
+struct mpeg_metadata_std_descriptor {
+ struct descriptor d;
+
+ EBIT2(uint32_t reserved_1 : 2; ,
+ uint32_t metadata_input_leak_rate :22; );
+ EBIT2(uint32_t reserved_2 : 2; ,
+ uint32_t metadata_buffer_size :22; );
+ EBIT2(uint32_t reserved_3 : 2; ,
+ uint32_t metadata_output_leak_rate :22; );
+} __ucsi_packed;
+
+/**
+ * Process an mpeg_metadata_std_descriptor.
+ *
+ * @param d Pointer to the generic descriptor structure.
+ * @return Pointer to the mpeg_metadata_std_descriptor, or NULL on error.
+ */
+static inline struct mpeg_metadata_std_descriptor*
+ mpeg_metadata_std_descriptor_codec(struct descriptor* d)
+{
+ uint8_t *buf = (uint8_t*) d;
+
+ if (d->len != (sizeof(struct mpeg_metadata_std_descriptor) - 2))
+ return NULL;
+
+ bswap24(buf + 2);
+ bswap24(buf + 5);
+ bswap24(buf + 8);
+
+ return (struct mpeg_metadata_std_descriptor*) d;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif