static int bt_audioservice_send(int sk, const bt_audio_msg_header_t *msg) {
int e;
- pa_log_debug("sending %s", bt_audio_strmsg(msg->msg_type));
- if (send(sk, msg, BT_AUDIO_IPC_PACKET_SIZE, 0) > 0)
+ const char *type, *name;
+
+ type = bt_audio_strtype(msg->type);
+ name = bt_audio_strname(msg->name);
+ pa_log_debug("sending: %s -> %s", type, name);
+ if (send(sk, msg, BT_SUGGESTED_BUFFER_SIZE, 0) > 0)
e = 0;
else {
e = -errno;
return e;
}
-static int bt_audioservice_recv(int sk, bt_audio_msg_header_t *inmsg) {
+static int bt_audioservice_recv(int sk, bt_audio_msg_header_t *inmsg, uint16_t expected_length) {
int e;
- const char *type;
+ const char *type, *name;
pa_log_debug("trying to receive msg from audio service...");
- if (recv(sk, inmsg, BT_AUDIO_IPC_PACKET_SIZE, 0) > 0) {
- type = bt_audio_strmsg(inmsg->msg_type);
- if (type) {
- pa_log_debug("Received %s", type);
+ if (recv(sk, inmsg, expected_length ? : BT_SUGGESTED_BUFFER_SIZE, 0) > 0) {
+ type = bt_audio_strtype(inmsg->type);
+ name = bt_audio_strname(inmsg->name);
+ if (type && name) {
+ pa_log_debug("Received: %s <- %s", type, name);
e = 0;
}
else {
e = -EINVAL;
- pa_log_error("Bogus message type %d received from audio service", inmsg->msg_type);
+ pa_log_error("Bogus message type %d name %d received from audio service",
+ inmsg->type, inmsg->name);
}
}
else {
return e;
}
-static int bt_audioservice_expect(int sk, bt_audio_msg_header_t *rsp_hdr, int expected_type) {
- int e = bt_audioservice_recv(sk, rsp_hdr);
- if (e == 0) {
- if (rsp_hdr->msg_type != expected_type) {
+static int bt_audioservice_expect(int sk, bt_audio_msg_header_t *rsp, uint8_t expected_name, uint16_t expected_length) {
+ int e = bt_audioservice_recv(sk, rsp, expected_length);
+
+ if (e < 0) {
+ if (rsp->name != expected_name) {
e = -EINVAL;
- pa_log_error("Bogus message %s received while %s was expected", bt_audio_strmsg(rsp_hdr->msg_type),
- bt_audio_strmsg(expected_type));
+ pa_log_error("Bogus message %s received while %s was expected",
+ bt_audio_strname(rsp->name),
+ bt_audio_strname(expected_name));
}
}
+
+ if (rsp->type == BT_ERROR) {
+ bt_audio_error_t *error = (void *) rsp;
+ pa_log_error("%s failed : %s(%d)", bt_audio_strname(rsp->name), pa_cstrerror(error->posix_errno), error->posix_errno);
+ return -error->posix_errno;
+ }
+
return e;
}
+static int bt_parsecaps(struct userdata *u, struct bt_get_capabilities_rsp *rsp) {
+ uint16_t bytes_left = rsp->h.length - sizeof(*rsp);
+ codec_capabilities_t *codec = (void *) rsp->data;
+
+ u->transport = codec->transport;
+
+ if (codec->transport != BT_CAPABILITIES_TRANSPORT_A2DP)
+ return 0;
+
+ while (bytes_left > 0) {
+ if (codec->type == BT_A2DP_CODEC_SBC)
+ break;
+
+ bytes_left -= codec->length;
+ codec = (void *) (codec + codec->length);
+ }
+
+ if (bytes_left <= 0 || codec->length != sizeof(u->a2dp.sbc_capabilities))
+ return -EINVAL;
+
+ memcpy(&u->a2dp.sbc_capabilities, codec, codec->length);
+
+ return 0;
+}
+
static int bt_getcaps(struct userdata *u) {
int e;
union {
- bt_audio_rsp_msg_header_t rsp_hdr;
- struct bt_getcapabilities_req getcaps_req;
- struct bt_getcapabilities_rsp getcaps_rsp;
- uint8_t buf[BT_AUDIO_IPC_PACKET_SIZE];
+ bt_audio_msg_header_t rsp;
+ struct bt_get_capabilities_req getcaps_req;
+ struct bt_get_capabilities_rsp getcaps_rsp;
+ uint8_t buf[BT_SUGGESTED_BUFFER_SIZE];
} msg;
- memset(msg.buf, 0, BT_AUDIO_IPC_PACKET_SIZE);
- msg.getcaps_req.h.msg_type = BT_GETCAPABILITIES_REQ;
+ memset(msg.buf, 0, BT_SUGGESTED_BUFFER_SIZE);
+ msg.getcaps_req.h.type = BT_REQUEST;
+ msg.getcaps_req.h.name = BT_GET_CAPABILITIES;
+ msg.getcaps_req.h.length = sizeof(msg.getcaps_req);
+
strncpy(msg.getcaps_req.device, u->addr, 18);
if (strcasecmp(u->profile, "a2dp") == 0)
msg.getcaps_req.transport = BT_CAPABILITIES_TRANSPORT_A2DP;
return e;
}
- e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp_hdr.msg_h, BT_GETCAPABILITIES_RSP);
+ e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp, BT_GET_CAPABILITIES, 0);
if (e < 0) {
pa_log_error("Failed to expect for GETCAPABILITIES_RSP");
return e;
}
- if (msg.rsp_hdr.posix_errno != 0) {
- pa_log_error("BT_GETCAPABILITIES failed : %s (%d)", pa_cstrerror(msg.rsp_hdr.posix_errno), msg.rsp_hdr.posix_errno);
- return -msg.rsp_hdr.posix_errno;
- }
-
- if ((u->transport = msg.getcaps_rsp.transport) == BT_CAPABILITIES_TRANSPORT_A2DP)
- u->a2dp.sbc_capabilities = msg.getcaps_rsp.sbc_capabilities;
- return 0;
+ return bt_parsecaps(u, &msg.getcaps_rsp);
}
static uint8_t default_bitpool(uint8_t freq, uint8_t mode) {
static int bt_setconf(struct userdata *u) {
int e;
union {
- bt_audio_rsp_msg_header_t rsp_hdr;
- struct bt_setconfiguration_req setconf_req;
- struct bt_setconfiguration_rsp setconf_rsp;
- uint8_t buf[BT_AUDIO_IPC_PACKET_SIZE];
+ bt_audio_msg_header_t rsp;
+ struct bt_set_configuration_req setconf_req;
+ struct bt_set_configuration_rsp setconf_rsp;
+ uint8_t buf[BT_SUGGESTED_BUFFER_SIZE];
} msg;
if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
else
u->ss.format = PA_SAMPLE_U8;
- memset(msg.buf, 0, BT_AUDIO_IPC_PACKET_SIZE);
- msg.setconf_req.h.msg_type = BT_SETCONFIGURATION_REQ;
+ memset(msg.buf, 0, BT_SUGGESTED_BUFFER_SIZE);
+ msg.setconf_req.h.type = BT_REQUEST;
+ msg.setconf_req.h.name = BT_SET_CONFIGURATION;
+ msg.setconf_req.h.length = sizeof(msg.setconf_req);
+
strncpy(msg.setconf_req.device, u->addr, 18);
- msg.setconf_req.transport = u->transport;
+ msg.setconf_req.codec.transport = u->transport;
if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP)
- msg.setconf_req.sbc_capabilities = u->a2dp.sbc_capabilities;
+ memcpy(&msg.setconf_req.codec, &u->a2dp.sbc_capabilities,
+ sizeof(u->a2dp.sbc_capabilities));
msg.setconf_req.access_mode = BT_CAPABILITIES_ACCESS_MODE_WRITE;
e = bt_audioservice_send(u->audioservice_fd, &msg.setconf_req.h);
return e;
}
- e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp_hdr.msg_h, BT_SETCONFIGURATION_RSP);
+ e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp, BT_SET_CONFIGURATION, sizeof(msg.setconf_rsp));
if (e < 0) {
pa_log_error("Failed to expect BT_SETCONFIGURATION_RSP");
return e;
}
- if (msg.rsp_hdr.posix_errno != 0) {
- pa_log_error("BT_SETCONFIGURATION failed : %s(%d)", pa_cstrerror(msg.rsp_hdr.posix_errno), msg.rsp_hdr.posix_errno);
- return -msg.rsp_hdr.posix_errno;
- }
-
u->transport = msg.setconf_rsp.transport;
u->strtransport = (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP ? pa_xstrdup("A2DP") : pa_xstrdup("SCO"));
u->link_mtu = msg.setconf_rsp.link_mtu;
int e;
// uint32_t period_count = io->buffer_size / io->period_size;
union {
- bt_audio_rsp_msg_header_t rsp_hdr;
- struct bt_streamstart_req start_req;
- struct bt_streamfd_ind streamfd_ind;
- uint8_t buf[BT_AUDIO_IPC_PACKET_SIZE];
+ bt_audio_msg_header_t rsp;
+ struct bt_start_stream_req start_req;
+ struct bt_start_stream_rsp start_rsp;
+ struct bt_new_stream_ind streamfd_ind;
+ uint8_t buf[BT_SUGGESTED_BUFFER_SIZE];
} msg;
- memset(msg.buf, 0, BT_AUDIO_IPC_PACKET_SIZE);
- msg.start_req.h.msg_type = BT_STREAMSTART_REQ;
+ memset(msg.buf, 0, BT_SUGGESTED_BUFFER_SIZE);
+ msg.start_req.h.type = BT_REQUEST;
+ msg.start_req.h.name = BT_START_STREAM;
+ msg.start_req.h.length = sizeof(msg.start_req);
e = bt_audioservice_send(u->audioservice_fd, &msg.start_req.h);
if (e < 0) {
return e;
}
- e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp_hdr.msg_h, BT_STREAMSTART_RSP);
+ e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp, BT_START_STREAM, sizeof(msg.start_rsp));
if (e < 0) {
pa_log_error("Failed to expect BT_STREAMSTART_RSP");
return e;
}
- if (msg.rsp_hdr.posix_errno != 0) {
- pa_log_error("BT_START failed : %s(%d)", pa_cstrerror(msg.rsp_hdr.posix_errno), msg.rsp_hdr.posix_errno);
- return -msg.rsp_hdr.posix_errno;
- }
-
- e = bt_audioservice_expect(u->audioservice_fd, &msg.streamfd_ind.h, BT_STREAMFD_IND);
+ e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp, BT_NEW_STREAM, sizeof(msg.streamfd_ind));
if (e < 0) {
pa_log_error("Failed to expect BT_STREAMFD_IND");
return e;
projects / profile / ivi / pulseaudio-panda.git / blobdiff