[PATCH 09/10] a2dp-codecs: Add macros and structures for FastStream, aptX Low Latency and aptX HD codecs

[Pali Rohár <pali.rohar@xxxxxxxxx>]

---
 profiles/audio/a2dp-codecs.h | 120 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)

diff --git a/profiles/audio/a2dp-codecs.h b/profiles/audio/a2dp-codecs.h
index 9f47755cb..d4a393668 100644
--- a/profiles/audio/a2dp-codecs.h
+++ b/profiles/audio/a2dp-codecs.h
@@ -4,6 +4,7 @@
  *
  *  Copyright (C) 2006-2010  Nokia Corporation
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@xxxxxxxxxxxx>
+ *  Copyright (C) 2018       Pali Rohár <pali.rohar@xxxxxxxxx>
  *
  *
  *  This library is free software; you can redistribute it and/or
@@ -193,6 +194,59 @@
 #define APTX_SAMPLING_FREQ_44100	0x02
 #define APTX_SAMPLING_FREQ_48000	0x01
 
+#define FASTSTREAM_VENDOR_ID		0x0000000a
+#define FASTSTREAM_CODEC_ID		0x0001
+
+#define FASTSTREAM_DIRECTION_SINK	0x1
+#define FASTSTREAM_DIRECTION_SOURCE	0x2
+
+#define FASTSTREAM_SINK_SAMPLING_FREQ_44100	0x2
+#define FASTSTREAM_SINK_SAMPLING_FREQ_48000	0x1
+
+#define FASTSTREAM_SOURCE_SAMPLING_FREQ_16000	0x2
+
+#define APTX_LL_VENDOR_ID		0x0000000a
+#define APTX_LL_CODEC_ID		0x0002
+
+#define APTX_LL_CHANNEL_MODE_MONO	0x01
+#define APTX_LL_CHANNEL_MODE_STEREO	0x02
+
+#define APTX_LL_SAMPLING_FREQ_16000	0x08
+#define APTX_LL_SAMPLING_FREQ_32000	0x04
+#define APTX_LL_SAMPLING_FREQ_44100	0x02
+#define APTX_LL_SAMPLING_FREQ_48000	0x01
+
+/* Default parameters for aptX Low Latency encoder */
+
+/* Target codec buffer level = 180 */
+#define APTX_LL_TARGET_LEVEL2	0xb4
+#define APTX_LL_TARGET_LEVEL1	0x00
+
+/* Initial codec buffer level = 360 */
+#define APTX_LL_INITIAL_LEVEL2	0x68
+#define APTX_LL_INITIAL_LEVEL1	0x01
+
+/* SRA max rate 0.005 * 10000 = 50 */
+#define APTX_LL_SRA_MAX_RATE		0x32
+
+/* SRA averaging time = 1s */
+#define APTX_LL_SRA_AVG_TIME		0x01
+
+/* Good working codec buffer level = 180 */
+#define APTX_LL_GOOD_WORKING_LEVEL2	0xB4
+#define APTX_LL_GOOD_WORKING_LEVEL1	0x00
+
+#define APTX_HD_VENDOR_ID		0x000000D7
+#define APTX_HD_CODEC_ID		0x0024
+
+#define APTX_HD_CHANNEL_MODE_MONO	0x1
+#define APTX_HD_CHANNEL_MODE_STEREO	0x2
+
+#define APTX_HD_SAMPLING_FREQ_16000	0x8
+#define APTX_HD_SAMPLING_FREQ_32000	0x4
+#define APTX_HD_SAMPLING_FREQ_44100	0x2
+#define APTX_HD_SAMPLING_FREQ_48000	0x1
+
 #define LDAC_VENDOR_ID			0x0000012d
 #define LDAC_CODEC_ID			0x00aa
 
@@ -228,6 +282,18 @@ typedef struct {
 	})
 
 typedef struct {
+	uint8_t reserved;
+	uint8_t target_level2;
+	uint8_t target_level1;
+	uint8_t initial_level2;
+	uint8_t initial_level1;
+	uint8_t sra_max_rate;
+	uint8_t sra_avg_time;
+	uint8_t good_working_level2;
+	uint8_t good_working_level1;
+} __attribute__ ((packed)) a2dp_aptx_ll_new_caps_t;
+
+typedef struct {
 	a2dp_vendor_codec_t info;
 	uint8_t frequency;
 	uint8_t channel_mode;
@@ -275,6 +341,33 @@ typedef struct {
 	uint8_t frequency:4;
 } __attribute__ ((packed)) a2dp_aptx_t;
 
+typedef struct {
+	a2dp_vendor_codec_t info;
+	uint8_t direction;
+	uint8_t sink_frequency:4;
+	uint8_t source_frequency:4;
+} __attribute__ ((packed)) a2dp_faststream_t;
+
+typedef struct {
+	a2dp_vendor_codec_t info;
+	uint8_t channel_mode:4;
+	uint8_t frequency:4;
+	uint8_t bidirect_link:1;
+	uint8_t has_new_caps:1;
+	uint8_t reserved:6;
+	a2dp_aptx_ll_new_caps_t new_caps[0];
+} __attribute__ ((packed)) a2dp_aptx_ll_t;
+
+typedef struct {
+	a2dp_vendor_codec_t info;
+	uint8_t channel_mode:4;
+	uint8_t frequency:4;
+	uint8_t reserved0;
+	uint8_t reserved1;
+	uint8_t reserved2;
+	uint8_t reserved3;
+} __attribute__ ((packed)) a2dp_aptx_hd_t;
+
 #elif defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN
 
 typedef struct {
@@ -317,6 +410,33 @@ typedef struct {
 	uint8_t channel_mode:4;
 } __attribute__ ((packed)) a2dp_aptx_t;
 
+typedef struct {
+	a2dp_vendor_codec_t info;
+	uint8_t direction;
+	uint8_t source_frequency:4;
+	uint8_t sink_frequency:4;
+} __attribute__ ((packed)) a2dp_faststream_t;
+
+typedef struct {
+	a2dp_vendor_codec_t info;
+	uint8_t frequency:4;
+	uint8_t channel_mode:4;
+	uint8_t reserved:6;
+	uint8_t has_new_caps:1;
+	uint8_t bidirect_link:1;
+	a2dp_aptx_ll_new_caps_t new_caps[0];
+} __attribute__ ((packed)) a2dp_aptx_ll_t;
+
+typedef struct {
+	a2dp_vendor_codec_t info;
+	uint8_t frequency:4;
+	uint8_t channel_mode:4;
+	uint8_t reserved0;
+	uint8_t reserved1;
+	uint8_t reserved2;
+	uint8_t reserved3;
+} __attribute__ ((packed)) a2dp_aptx_hd_t;
+
 #else
 #error "Unknown byte order"
 #endif
-- 
2.11.0