1 files changed, 108 insertions, 0 deletions
diff --git a/lib/libavtp/include/avtp_aaf.h b/lib/libavtp/include/avtp_aaf.h
new file mode 100644
index 00000000..80b7be14
--- /dev/null
+++ b/lib/libavtp/include/avtp_aaf.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2017, Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *    * Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * Neither the name of Intel Corporation nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <errno.h>
+#include <stdint.h>
+
+/* AAF PCM 'format' field values. */
+#define AVTP_AAF_FORMAT_USER			0x00
+#define AVTP_AAF_FORMAT_FLOAT_32BIT		0x01
+#define AVTP_AAF_FORMAT_INT_32BIT		0x02
+#define AVTP_AAF_FORMAT_INT_24BIT		0x03
+#define AVTP_AAF_FORMAT_INT_16BIT		0x04
+#define AVTP_AAF_FORMAT_AES3_32BIT		0x05
+
+/* AAF PCM 'nsr' (nominal sample rate) field values. */
+#define AVTP_AAF_PCM_NSR_USER			0x00
+#define AVTP_AAF_PCM_NSR_8KHZ			0x01
+#define AVTP_AAF_PCM_NSR_16KHZ			0x02
+#define AVTP_AAF_PCM_NSR_32KHZ			0x03
+#define AVTP_AAF_PCM_NSR_44_1KHZ		0x04
+#define AVTP_AAF_PCM_NSR_48KHZ			0x05
+#define AVTP_AAF_PCM_NSR_88_2KHZ		0x06
+#define AVTP_AAF_PCM_NSR_96KHZ			0x07
+#define AVTP_AAF_PCM_NSR_176_4KHZ		0x08
+#define AVTP_AAF_PCM_NSR_192KHZ			0x09
+#define AVTP_AAF_PCM_NSR_24KHZ			0x0A
+
+/* AAF PCM 'sp' (sparse timestamp) field values. */
+#define AVTP_AAF_PCM_SP_NORMAL			0x00
+#define AVTP_AAF_PCM_SP_SPARSE			0x01
+
+enum avtp_aaf_field {
+	AVTP_AAF_FIELD_SV,
+	AVTP_AAF_FIELD_MR,
+	AVTP_AAF_FIELD_TV,
+	AVTP_AAF_FIELD_SEQ_NUM,
+	AVTP_AAF_FIELD_TU,
+	AVTP_AAF_FIELD_STREAM_ID,
+	AVTP_AAF_FIELD_TIMESTAMP,
+	AVTP_AAF_FIELD_FORMAT,
+	AVTP_AAF_FIELD_NSR,
+	AVTP_AAF_FIELD_CHAN_PER_FRAME,
+	AVTP_AAF_FIELD_BIT_DEPTH,
+	AVTP_AAF_FIELD_STREAM_DATA_LEN,
+	AVTP_AAF_FIELD_SP,
+	AVTP_AAF_FIELD_EVT,
+	AVTP_AAF_FIELD_MAX,
+};
+
+/* Get value from AAF AVTPDU field.
+ * @pdu: Pointer to PDU struct.
+ * @field: PDU field to be retrieved.
+ * @val: Pointer to variable which the retrieved value should be saved.
+ *
+ * Returns:
+ *    0: Success.
+ *    -EINVAL: If any argument is invalid.
+ */
+int avtp_aaf_pdu_get(const struct avtp_stream_pdu *pdu,
+				enum avtp_aaf_field field, uint64_t *val);
+
+/* Set value from AAF AVTPDU field.
+ * @pdu: Pointer to PDU struct.
+ * @field: PDU field to be set.
+ * @val: Value to be set.
+ *
+ * Returns:
+ *    0: Success.
+ *    -EINVAL: If any argument is invalid.
+ */
+int avtp_aaf_pdu_set(struct avtp_stream_pdu *pdu, enum avtp_aaf_field field,
+								uint64_t val);
+
+/* Initialize AAF AVTPDU. All AVTPDU fields are initialized with zero except
+ * 'subtype' (which is set to AVTP_SUBTYPE_AAF) and 'sv' (which is set to 1).
+ * @pdu: Pointer to PDU struct.
+ *
+ * Return values:
+ *    0: Success.
+ *    -EINVAL: If any argument is invalid.
+ */
+int avtp_aaf_pdu_init(struct avtp_stream_pdu *pdu);