Add sofprobeclient binary

src/utils/Makefile.am

@@ -1,11 +1,14 @@
-bin_PROGRAMS = cplay crecord
+bin_PROGRAMS = cplay crecord sofprobeclient
 
 cplay_SOURCES = cplay.c wave.c
 crecord_SOURCES = crecord.c wave.c
+sofprobeclient_SOURCES = sofprobeclient.c probes_demux.c
 
 cplay_CFLAGS = -I$(top_srcdir)/include
 crecord_CFLAGS = -I$(top_srcdir)/include
+sofprobeclient_CFLAGS = -I$(top_srcdir)/include
 
 
 cplay_LDADD = $(top_builddir)/src/lib/libtinycompress.la
 crecord_LDADD = $(top_builddir)/src/lib/libtinycompress.la
+sofprobeclient_LDADD = $(top_builddir)/src/lib/libtinycompress.la

src/utils/probe_dma_frame.h

@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright(c) 2022 Intel Corporation. All rights reserved.
+ *
+ * Local copy of ipc/probe_dma_frame.h with MASK defined inline
+ * so it can be built without SOF RTOS headers.
+ */
+
+#ifndef __PROBE_DMA_FRAME_H__
+#define __PROBE_DMA_FRAME_H__
+
+#include <stdint.h>
+
+#ifndef MASK
+#define MASK(b_hi, b_lo) \
+	(((1ULL << ((b_hi) - (b_lo) + 1ULL)) - 1ULL) << (b_lo))
+#endif
+
+/**
+ * Header for data packets sent via compressed PCM from extraction probes
+ */
+struct probe_data_packet {
+	uint32_t sync_word;		/**< PROBE_EXTRACT_SYNC_WORD */
+	uint32_t buffer_id;		/**< Buffer ID from which data was extracted */
+	uint32_t format;		/**< Encoded data format */
+	uint32_t timestamp_low;		/**< Low 32 bits of timestamp in us */
+	uint32_t timestamp_high;	/**< High 32 bits of timestamp in us */
+	uint32_t data_size_bytes;	/**< Size of following audio data */
+	uint8_t data[];			/**< Audio data extracted from buffer */
+} __attribute__((packed, aligned(4)));
+
+#define PROBE_EXTRACT_SYNC_WORD		0xBABEBEBA
+
+/**
+ * \brief Definitions of shifts and masks for format encoding in probe
+ *	  extraction stream
+ *
+ * Audio format from extraction probes is encoded as 32 bit value. Following
+ * graphic explains encoding.
+ *
+ * A|BBBB|CCCC|DDDD|EEEEE|FF|GG|H|I|J|XXXXXXX
+ * A - 1 bit - Specifies Type Encoding - 1 for Standard encoding
+ * B - 4 bits - Specify Standard Type - 0 for Audio
+ * C - 4 bits - Specify Audio format - 0 for PCM
+ * D - 4 bits - Specify Sample Rate - value enumerating standard sample rates:
+ *				      8000 Hz		= 0x0
+ *				      11025 Hz		= 0x1
+ *				      12000 Hz		= 0x2
+ *				      16000 Hz		= 0x3
+ *				      22050 Hz		= 0x4
+ *				      24000 Hz		= 0x5
+ *				      32000 Hz		= 0x6
+ *				      44100 Hz		= 0x7
+ *				      48000 Hz		= 0x8
+ *				      64000 Hz		= 0x9
+ *				      88200 Hz		= 0xA
+ *				      96000 Hz		= 0xB
+ *				      128000 Hz		= 0xC
+ *				      176400 Hz		= 0xD
+ *				      192000 Hz		= 0xE
+ *				      none of the above = 0xF
+ * E - 5 bits - Specify Number of Channels minus 1
+ * F - 2 bits - Specify Sample Size, number of valid sample bytes minus 1
+ * G - 2 bits - Specify Container Size, number of container bytes minus 1
+ * H - 1 bit - Specifies Sample Format - 0 for Integer, 1 for Floating point
+ * I - 1 bit - Specifies Sample Endianness - 0 for LE
+ * J - 1 bit - Specifies Interleaving - 1 for Sample Interleaving
+ */
+
+#define PROBE_SHIFT_FMT_TYPE		31
+#define PROBE_SHIFT_STANDARD_TYPE	27
+#define PROBE_SHIFT_AUDIO_FMT		23
+#define PROBE_SHIFT_SAMPLE_RATE		19
+#define PROBE_SHIFT_NB_CHANNELS		14
+#define PROBE_SHIFT_SAMPLE_SIZE		12
+#define PROBE_SHIFT_CONTAINER_SIZE	10
+#define PROBE_SHIFT_SAMPLE_FMT		9
+#define PROBE_SHIFT_SAMPLE_END		8
+#define PROBE_SHIFT_INTERLEAVING_ST	7
+
+#define PROBE_MASK_FMT_TYPE		MASK(31, 31)
+#define PROBE_MASK_STANDARD_TYPE	MASK(30, 27)
+#define PROBE_MASK_AUDIO_FMT		MASK(26, 23)
+#define PROBE_MASK_SAMPLE_RATE		MASK(22, 19)
+#define PROBE_MASK_NB_CHANNELS		MASK(18, 14)
+#define PROBE_MASK_SAMPLE_SIZE		MASK(13, 12)
+#define PROBE_MASK_CONTAINER_SIZE	MASK(11, 10)
+#define PROBE_MASK_SAMPLE_FMT		MASK(9, 9)
+#define PROBE_MASK_SAMPLE_END		MASK(8, 8)
+#define PROBE_MASK_INTERLEAVING_ST	MASK(7, 7)
+
+#endif /* __PROBE_DMA_FRAME_H__ */