From: "Pali Rohár" <pali.rohar@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: [PATCH 08/10] a2dp-codecs: Properly define macros and struct for LDAC codec
Date: Wed, 19 Dec 2018 17:51:07 +0100 [thread overview]
Message-ID: <20181219165109.29088-9-pali.rohar@gmail.com> (raw)
In-Reply-To: <20181219165109.29088-1-pali.rohar@gmail.com>
---
profiles/audio/a2dp-codecs.h | 27 +++++++++++++++++----------
tools/avinfo.c | 3 +--
2 files changed, 18 insertions(+), 12 deletions(-)
diff --git a/profiles/audio/a2dp-codecs.h b/profiles/audio/a2dp-codecs.h
index 327901eac..9f47755cb 100644
--- a/profiles/audio/a2dp-codecs.h
+++ b/profiles/audio/a2dp-codecs.h
@@ -196,6 +196,17 @@
#define LDAC_VENDOR_ID 0x0000012d
#define LDAC_CODEC_ID 0x00aa
+#define LDAC_SAMPLING_FREQ_44100 0x20
+#define LDAC_SAMPLING_FREQ_48000 0x10
+#define LDAC_SAMPLING_FREQ_88200 0x08
+#define LDAC_SAMPLING_FREQ_96000 0x04
+#define LDAC_SAMPLING_FREQ_176400 0x02
+#define LDAC_SAMPLING_FREQ_192000 0x01
+
+#define LDAC_CHANNEL_MODE_MONO 0x04
+#define LDAC_CHANNEL_MODE_DUAL 0x02
+#define LDAC_CHANNEL_MODE_STEREO 0x01
+
typedef struct {
uint8_t vendor_id4;
uint8_t vendor_id3;
@@ -216,6 +227,12 @@ typedef struct {
.codec_id1 = (((c) >> 8) & 0xff), \
})
+typedef struct {
+ a2dp_vendor_codec_t info;
+ uint8_t frequency;
+ uint8_t channel_mode;
+} __attribute__ ((packed)) a2dp_ldac_t;
+
#if defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN
typedef struct {
@@ -258,11 +275,6 @@ typedef struct {
uint8_t frequency:4;
} __attribute__ ((packed)) a2dp_aptx_t;
-typedef struct {
- a2dp_vendor_codec_t info;
- uint8_t unknown[2];
-} __attribute__ ((packed)) a2dp_ldac_t;
-
#elif defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN
typedef struct {
@@ -305,11 +317,6 @@ typedef struct {
uint8_t channel_mode:4;
} __attribute__ ((packed)) a2dp_aptx_t;
-typedef struct {
- a2dp_vendor_codec_t info;
- uint8_t unknown[2];
-} __attribute__ ((packed)) a2dp_ldac_t;
-
#else
#error "Unknown byte order"
#endif
diff --git a/tools/avinfo.c b/tools/avinfo.c
index f09085c93..78da0d5d2 100644
--- a/tools/avinfo.c
+++ b/tools/avinfo.c
@@ -204,8 +204,7 @@ static void print_ldac(a2dp_ldac_t *ldac, uint8_t size)
return;
}
- printf("\n\t\t\tUnknown: %02x %02x", ldac->unknown[0],
- ldac->unknown[1]);
+ printf("\n\t\t\tUnknown: %02x %02x", ldac->frequency, ldac->channel_mode);
printf("\n");
}
--
2.11.0
next prev parent reply other threads:[~2018-12-19 16:52 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-19 16:50 [PATCH 00/10] A2DP: Fix endianity and define new A2DP codecs Pali Rohár
2018-12-19 16:51 ` [PATCH 01/10] avinfo: Fix buffer overflow when parsing broken/malicious data Pali Rohár
2018-12-19 16:51 ` [PATCH 02/10] avinfo: Show Vendor Specific Data Pali Rohár
2018-12-19 16:51 ` [PATCH 03/10] a2dp-codecs: Add SBC prefix for MIN/MAX_BITPOOL constants Pali Rohár
2018-12-19 16:51 ` [PATCH 04/10] a2dp-codecs: Fix codec id for ATRAC Pali Rohár
2018-12-19 16:51 ` [PATCH 05/10] a2dp-codecs & avinfo: Fix parsing MPEG bit rate values Pali Rohár
2018-12-19 16:51 ` [PATCH 06/10] a2dp-codecs: Define a2dp_vendor_codec_t struct in endian neutral way Pali Rohár
2018-12-19 16:51 ` [PATCH 07/10] a2dp-codecs: Add needed includes and properly check for endian macros Pali Rohár
2018-12-19 16:51 ` Pali Rohár [this message]
2018-12-19 16:51 ` [PATCH 09/10] a2dp-codecs: Add macros and structures for FastStream, aptX Low Latency and aptX HD codecs Pali Rohár
2018-12-19 16:51 ` [PATCH 10/10] avinfo: Parse information about A2DP codecs: FastStream, aptX Low Latency, aptX HD and LDAC Pali Rohár
2018-12-22 22:54 ` [PATCH 00/10] A2DP: Fix endianity and define new A2DP codecs Luiz Augusto von Dentz
2018-12-23 9:30 ` Pali Rohár
2018-12-23 10:40 ` [PATCH v2 " Pali Rohár
2018-12-23 10:40 ` [PATCH v2 01/10] avinfo: Fix buffer overflow when parsing broken/malicious data Pali Rohár
2018-12-23 10:40 ` [PATCH v2 02/10] avinfo: Show Vendor Specific Data Pali Rohár
2018-12-23 10:40 ` [PATCH v2 03/10] a2dp-codecs: Add SBC prefix for MIN/MAX_BITPOOL constants Pali Rohár
2018-12-23 10:40 ` [PATCH v2 04/10] a2dp-codecs: Fix codec id for ATRAC Pali Rohár
2018-12-23 10:40 ` [PATCH v2 05/10] a2dp-codecs & avinfo: Fix parsing MPEG bit rate values Pali Rohár
2018-12-23 10:40 ` [PATCH v2 06/10] a2dp-codecs: Define a2dp_vendor_codec_t struct in endian neutral way Pali Rohár
2018-12-23 10:40 ` [PATCH v2 07/10] a2dp-codecs: Add needed includes and properly check for endian macros Pali Rohár
2018-12-23 10:40 ` [PATCH v2 08/10] a2dp-codecs: Properly define macros and struct for LDAC codec Pali Rohár
2018-12-23 10:40 ` [PATCH v2 09/10] a2dp-codecs: Add macros and structures for new codecs Pali Rohár
2018-12-23 10:40 ` [PATCH v2 10/10] avinfo: Parse new A2DP codecs Pali Rohár
2018-12-28 18:23 ` [PATCH v2 00/10] A2DP: Fix endianity and define " Luiz Augusto von Dentz
2018-12-28 18:59 ` Pali Rohár
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