frequency and bitrate bit-fields are splitted into separate bytes since
they span across byte-boundary and cannot be set easily on LE arch
anyway.
---
profiles/audio/a2dp-codecs.h | 45 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/profiles/audio/a2dp-codecs.h b/profiles/audio/a2dp-codecs.h
index 0f44b10..e2e1a77 100644
--- a/profiles/audio/a2dp-codecs.h
+++ b/profiles/audio/a2dp-codecs.h
@@ -85,6 +85,27 @@
#define MPEG_BIT_RATE_32000 0x0002
#define MPEG_BIT_RATE_FREE 0x0001
+#define AAC_OBJECT_TYPE_MPEG2_AAC_LC 0x80
+#define AAC_OBJECT_TYPE_MPEG4_AAC_LC 0x40
+#define AAC_OBJECT_TYPE_MPEG4_AAC_LTP 0x20
+#define AAC_OBJECT_TYPE_MPEG4_AAC_SCA 0x10
+
+#define AAC_SAMPLING_FREQ_8000 0x0800
+#define AAC_SAMPLING_FREQ_11025 0x0400
+#define AAC_SAMPLING_FREQ_12000 0x0200
+#define AAC_SAMPLING_FREQ_16000 0x0100
+#define AAC_SAMPLING_FREQ_22050 0x0080
+#define AAC_SAMPLING_FREQ_24000 0x0040
+#define AAC_SAMPLING_FREQ_32000 0x0020
+#define AAC_SAMPLING_FREQ_44100 0x0010
+#define AAC_SAMPLING_FREQ_48000 0x0008
+#define AAC_SAMPLING_FREQ_64000 0x0004
+#define AAC_SAMPLING_FREQ_88200 0x0002
+#define AAC_SAMPLING_FREQ_96000 0x0001
+
+#define AAC_CHANNELS_1 0x02
+#define AAC_CHANNELS_2 0x01
+
#if __BYTE_ORDER == __LITTLE_ENDIAN
typedef struct {
@@ -107,6 +128,18 @@ typedef struct {
uint16_t bitrate;
} __attribute__ ((packed)) a2dp_mpeg_t;
+typedef struct {
+ uint8_t object_type;
+ uint8_t frequency1;
+ uint8_t rfa:2;
+ uint8_t channels:2;
+ uint8_t frequency2:4;
+ uint8_t bitrate1:7;
+ uint8_t vbr:1;
+ uint8_t bitrate2;
+ uint8_t bitrate3;
+} __attribute__ ((packed)) a2dp_aac_t;
+
#elif __BYTE_ORDER == __BIG_ENDIAN
typedef struct {
@@ -129,6 +162,18 @@ typedef struct {
uint16_t bitrate;
} __attribute__ ((packed)) a2dp_mpeg_t;
+typedef struct {
+ uint8_t object_type;
+ uint8_t frequency1;
+ uint8_t frequency2:4;
+ uint8_t channels:2;
+ uint8_t rfa:2;
+ uint8_t vbr:1;
+ uint8_t bitrate1:7;
+ uint8_t bitrate2;
+ uint8_t bitrate3;
+} __attribute__ ((packed)) a2dp_aac_t;
+
#else
#error "Unknown byte order"
#endif
--
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
