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-rw-r--r--audio/a2dp.h144
1 files changed, 144 insertions, 0 deletions
diff --git a/audio/a2dp.h b/audio/a2dp.h
new file mode 100644
index 00000000..6ec3ebc8
--- /dev/null
+++ b/audio/a2dp.h
@@ -0,0 +1,144 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2006-2007 Nokia Corporation
+ * Copyright (C) 2004-2008 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#define A2DP_CODEC_SBC 0x00
+#define A2DP_CODEC_MPEG12 0x01
+#define A2DP_CODEC_MPEG24 0x02
+#define A2DP_CODEC_ATRAC 0x03
+
+#define SBC_SAMPLING_FREQ_16000 (1 << 3)
+#define SBC_SAMPLING_FREQ_32000 (1 << 2)
+#define SBC_SAMPLING_FREQ_44100 (1 << 1)
+#define SBC_SAMPLING_FREQ_48000 1
+
+#define SBC_CHANNEL_MODE_MONO (1 << 3)
+#define SBC_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
+#define SBC_CHANNEL_MODE_STEREO (1 << 1)
+#define SBC_CHANNEL_MODE_JOINT_STEREO 1
+
+#define SBC_BLOCK_LENGTH_4 (1 << 3)
+#define SBC_BLOCK_LENGTH_8 (1 << 2)
+#define SBC_BLOCK_LENGTH_12 (1 << 1)
+#define SBC_BLOCK_LENGTH_16 1
+
+#define SBC_SUBBANDS_4 (1 << 1)
+#define SBC_SUBBANDS_8 1
+
+#define SBC_ALLOCATION_SNR (1 << 1)
+#define SBC_ALLOCATION_LOUDNESS 1
+
+#define MPEG_CHANNEL_MODE_MONO (1 << 3)
+#define MPEG_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
+#define MPEG_CHANNEL_MODE_STEREO (1 << 1)
+#define MPEG_CHANNEL_MODE_JOINT_STEREO 1
+
+#define MPEG_LAYER_MP1 (1 << 2)
+#define MPEG_LAYER_MP2 (1 << 1)
+#define MPEG_LAYER_MP3 1
+
+#define MPEG_SAMPLING_FREQ_16000 (1 << 5)
+#define MPEG_SAMPLING_FREQ_22050 (1 << 4)
+#define MPEG_SAMPLING_FREQ_24000 (1 << 3)
+#define MPEG_SAMPLING_FREQ_32000 (1 << 2)
+#define MPEG_SAMPLING_FREQ_44100 (1 << 1)
+#define MPEG_SAMPLING_FREQ_48000 1
+
+#define MAX_BITPOOL 64
+#define MIN_BITPOOL 2
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+
+struct sbc_codec_cap {
+ struct avdtp_media_codec_capability cap;
+ uint8_t channel_mode:4;
+ uint8_t frequency:4;
+ uint8_t allocation_method:2;
+ uint8_t subbands:2;
+ uint8_t block_length:4;
+ uint8_t min_bitpool;
+ uint8_t max_bitpool;
+} __attribute__ ((packed));
+
+struct mpeg_codec_cap {
+ struct avdtp_media_codec_capability cap;
+ uint8_t channel_mode:4;
+ uint8_t crc:1;
+ uint8_t layer:3;
+ uint8_t frequency:6;
+ uint8_t mpf:1;
+ uint8_t rfa:1;
+ uint16_t bitrate;
+} __attribute__ ((packed));
+
+#elif __BYTE_ORDER == __BIG_ENDIAN
+
+struct sbc_codec_cap {
+ struct avdtp_media_codec_capability cap;
+ uint8_t frequency:4;
+ uint8_t channel_mode:4;
+ uint8_t block_length:4;
+ uint8_t subbands:2;
+ uint8_t allocation_method:2;
+ uint8_t min_bitpool;
+ uint8_t max_bitpool;
+} __attribute__ ((packed));
+
+struct mpeg_codec_cap {
+ struct avdtp_media_codec_capability cap;
+ uint8_t layer:3;
+ uint8_t crc:1;
+ uint8_t channel_mode:4;
+ uint8_t rfa:1;
+ uint8_t mpf:1;
+ uint8_t frequency:6;
+ uint16_t bitrate;
+} __attribute__ ((packed));
+
+#else
+#error "Unknown byte order"
+#endif
+
+struct a2dp_sep;
+
+typedef void (*a2dp_config_cb_t) (struct avdtp *session, struct a2dp_sep *sep,
+ struct avdtp_stream *stream,
+ struct avdtp_error *err,
+ void *user_data);
+typedef void (*a2dp_stream_cb_t) (struct avdtp *session,
+ struct avdtp_error *err,
+ void *user_data);
+
+int a2dp_init(DBusConnection *conn, GKeyFile *config);
+void a2dp_exit(void);
+
+unsigned int a2dp_source_config(struct avdtp *session, a2dp_config_cb_t cb,
+ GSList *caps, void *user_data);
+unsigned int a2dp_source_resume(struct avdtp *session, struct a2dp_sep *sep,
+ a2dp_stream_cb_t cb, void *user_data);
+unsigned int a2dp_source_suspend(struct avdtp *session, struct a2dp_sep *sep,
+ a2dp_stream_cb_t cb, void *user_data);
+gboolean a2dp_source_cancel(struct audio_device *dev, unsigned int id);
+
+gboolean a2dp_sep_lock(struct a2dp_sep *sep, struct avdtp *session);
+gboolean a2dp_sep_unlock(struct a2dp_sep *sep, struct avdtp *session);