#include "rtp.h"
#include "liba2dp.h"
+#define LOG_NDEBUG 0
#define LOG_TAG "A2DP"
#include <utils/Log.h>
-/* #define ENABLE_DEBUG */
+#define ENABLE_DEBUG
+/* #define ENABLE_VERBOSE */
#define BUFFER_SIZE 2048
#define DBG(fmt, arg...)
#endif
+#ifdef ENABLE_VERBOSE
+#define VDBG LOGV
+#else
+#define VDBG(fmt, arg...)
+#endif
#ifndef MIN
# define MIN(x, y) ((x) < (y) ? (x) : (y))
#define MAX_BITPOOL 64
#define MIN_BITPOOL 2
-#define SNDERR LOGE
+#define ERR LOGE
/* Number of milliseconds worth of audio to buffer in our the data->stream.fd socket */
-#define SOCK_BUFFER_MS 100
+#define SOCK_BUFFER_MS 50
struct bluetooth_data {
int link_mtu; /* MTU for selected transport channel */
return err;
if (rsp_hdr->posix_errno != 0) {
- SNDERR("BT_START failed : %s(%d)",
+ ERR("BT_START failed : %s(%d)",
strerror(rsp_hdr->posix_errno),
rsp_hdr->posix_errno);
return err;
if (rsp_hdr->posix_errno != 0) {
- SNDERR("BT_STREAMSTOP failed : %s(%d)",
+ ERR("BT_STREAMSTOP failed : %s(%d)",
strerror(rsp_hdr->posix_errno),
rsp_hdr->posix_errno);
return -rsp_hdr->posix_errno;
case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
return 53;
default:
- DBG("Invalid channel mode %u", mode);
+ ERR("Invalid channel mode %u", mode);
return 53;
}
case BT_SBC_SAMPLING_FREQ_48000:
case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
return 51;
default:
- DBG("Invalid channel mode %u", mode);
+ ERR("Invalid channel mode %u", mode);
return 51;
}
default:
- DBG("Invalid sampling freq %u", freq);
+ ERR("Invalid sampling freq %u", freq);
return 53;
}
}
cap->frequency = BT_SBC_SAMPLING_FREQ_16000;
break;
default:
- DBG("Rate %d not supported", data->rate);
+ ERR("Rate %d not supported", data->rate);
return -1;
}
}
if (!cap->channel_mode) {
- DBG("No supported channel modes");
+ ERR("No supported channel modes");
return -1;
}
else if (cap->block_length & BT_A2DP_BLOCK_LENGTH_4)
cap->block_length = BT_A2DP_BLOCK_LENGTH_4;
else {
- DBG("No supported block lengths");
+ ERR("No supported block lengths");
return -1;
}
else if (cap->subbands & BT_A2DP_SUBBANDS_4)
cap->subbands = BT_A2DP_SUBBANDS_4;
else {
- DBG("No supported subbands");
+ ERR("No supported subbands");
return -1;
}
cap->min_bitpool = min_bitpool;
cap->max_bitpool = max_bitpool;
- DBG("bluetooth_a2dp_init bottom:\n channel_mode: %d\n frequency: %d\n allocation_method: %d\n subbands: %d\n block_length: %d\n min_bitpool: %d\n max_bitpool: %d\n ",
- cap->channel_mode, cap->frequency, cap->allocation_method, cap->subbands,
- cap->block_length, cap->min_bitpool, cap->max_bitpool);
-
-
return 0;
}
setconf_req->sbc_capabilities = data->sbc_capabilities;
setconf_req->access_mode = BT_CAPABILITIES_ACCESS_MODE_WRITE;
+ DBG("bluetooth_a2dp_hw_params sending configuration:\n");
+ switch (data->sbc_capabilities.channel_mode) {
+ case BT_A2DP_CHANNEL_MODE_MONO:
+ DBG("\tchannel_mode: MONO\n");
+ break;
+ case BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL:
+ DBG("\tchannel_mode: DUAL CHANNEL\n");
+ break;
+ case BT_A2DP_CHANNEL_MODE_STEREO:
+ DBG("\tchannel_mode: STEREO\n");
+ break;
+ case BT_A2DP_CHANNEL_MODE_JOINT_STEREO:
+ DBG("\tchannel_mode: JOINT STEREO\n");
+ break;
+ default:
+ DBG("\tchannel_mode: UNKNOWN (%d)\n",
+ data->sbc_capabilities.channel_mode);
+ }
+ switch (data->sbc_capabilities.frequency) {
+ case BT_SBC_SAMPLING_FREQ_16000:
+ DBG("\tfrequency: 16000\n");
+ break;
+ case BT_SBC_SAMPLING_FREQ_32000:
+ DBG("\tfrequency: 32000\n");
+ break;
+ case BT_SBC_SAMPLING_FREQ_44100:
+ DBG("\tfrequency: 44100\n");
+ break;
+ case BT_SBC_SAMPLING_FREQ_48000:
+ DBG("\tfrequency: 48000\n");
+ break;
+ default:
+ DBG("\tfrequency: UNKNOWN (%d)\n",
+ data->sbc_capabilities.frequency);
+ }
+ switch (data->sbc_capabilities.allocation_method) {
+ case BT_A2DP_ALLOCATION_SNR:
+ DBG("\tallocation_method: SNR\n");
+ break;
+ case BT_A2DP_ALLOCATION_LOUDNESS:
+ DBG("\tallocation_method: LOUDNESS\n");
+ break;
+ default:
+ DBG("\tallocation_method: UNKNOWN (%d)\n",
+ data->sbc_capabilities.allocation_method);
+ }
+ switch (data->sbc_capabilities.subbands) {
+ case BT_A2DP_SUBBANDS_4:
+ DBG("\tsubbands: 4\n");
+ break;
+ case BT_A2DP_SUBBANDS_8:
+ DBG("\tsubbands: 8\n");
+ break;
+ default:
+ DBG("\tsubbands: UNKNOWN (%d)\n",
+ data->sbc_capabilities.subbands);
+ }
+ switch (data->sbc_capabilities.block_length) {
+ case BT_A2DP_BLOCK_LENGTH_4:
+ DBG("\tblock_length: 4\n");
+ break;
+ case BT_A2DP_BLOCK_LENGTH_8:
+ DBG("\tblock_length: 8\n");
+ break;
+ case BT_A2DP_BLOCK_LENGTH_12:
+ DBG("\tblock_length: 12\n");
+ break;
+ case BT_A2DP_BLOCK_LENGTH_16:
+ DBG("\tblock_length: 16\n");
+ break;
+ default:
+ DBG("\tblock_length: UNKNOWN (%d)\n",
+ data->sbc_capabilities.block_length);
+ }
+ DBG("\tmin_bitpool: %d\n", data->sbc_capabilities.min_bitpool);
+ DBG("\tmax_bitpool: %d\n", data->sbc_capabilities.max_bitpool);
+
err = audioservice_send(data->server.fd, &setconf_req->h);
if (err < 0)
return err;
return err;
if (rsp_hdr->posix_errno != 0) {
- SNDERR("BT_SETCONFIGURATION failed : %s(%d)",
+ ERR("BT_SETCONFIGURATION failed : %s(%d)",
strerror(rsp_hdr->posix_errno),
rsp_hdr->posix_errno);
return -rsp_hdr->posix_errno;
delta = (1000000 - data->last_write.tv_usec) + now.tv_usec;
if (duration > delta) {
- DBG("duration: %ld delta: %ld, delay %ld us", duration, delta, duration - delta);
+ VDBG("duration: %ld delta: %ld, delay %ld us",
+ duration, delta, duration - delta);
usleep(duration - delta);
}
}
ret = send(data->stream.fd, data->buffer, data->count, 0);
if (ret < 0) {
- DBG("send returned %d errno %s.", ret, strerror(errno));
+ ERR("send returned %d errno %s.", ret, strerror(errno));
ret = -errno;
}
} else {
/* bytes: number of bytes corresponding to SOCK_BUFFER_MS milliseconds of audio playback */
bytes = (ret * 1000 * SOCK_BUFFER_MS) / microseconds;
- DBG("microseconds: %d, ret: %d, bytes: %d\n", microseconds, ret, bytes);
+ VDBG("microseconds: %d, ret: %d, bytes: %d\n", microseconds, ret, bytes);
setsockopt(data->stream.fd, SOL_SOCKET, SO_SNDBUF, &bytes, sizeof(bytes));
data->adjusted_sock_buffer = 1;
}
{
int err;
- DBG("sending %s", bt_audio_strmsg(msg->msg_type));
+ VDBG("sending %s", bt_audio_strmsg(msg->msg_type));
if (send(sk, msg, BT_AUDIO_IPC_PACKET_SIZE, 0) > 0)
err = 0;
else {
err = -errno;
- SNDERR("Error sending data to audio service: %s(%d)",
+ ERR("Error sending data to audio service: %s(%d)",
strerror(errno), errno);
}
int err;
const char *type;
- DBG("trying to receive msg from audio service...");
+ VDBG("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) {
- DBG("Received %s", type);
+ VDBG("Received %s", type);
err = 0;
} else {
err = -EINVAL;
- SNDERR("Bogus message type %d "
+ ERR("Bogus message type %d "
"received from audio service",
inmsg->msg_type);
}
} else {
err = -errno;
- SNDERR("Error receiving data from audio service: %s(%d)",
+ ERR("Error receiving data from audio service: %s(%d)",
strerror(errno), errno);
}
if (err == 0) {
if (rsp_hdr->msg_type != expected_type) {
err = -EINVAL;
- SNDERR("Bogus message %s received while "
+ ERR("Bogus message %s received while "
"%s was expected",
bt_audio_strmsg(rsp_hdr->msg_type),
bt_audio_strmsg(expected_type));
sk = bt_audio_service_open();
if (sk <= 0) {
- SNDERR("bt_audio_service_open failed\n");
+ ERR("bt_audio_service_open failed\n");
err = -errno;
goto failed;
}
err = audioservice_send(data->server.fd, &getcaps_req->h);
if (err < 0) {
- SNDERR("audioservice_send failed for BT_GETCAPABILITIES_REQ\n");
+ ERR("audioservice_send failed for BT_GETCAPABILITIES_REQ\n");
goto failed;
}
err = audioservice_expect(data->server.fd, &rsp_hdr->msg_h, BT_GETCAPABILITIES_RSP);
if (err < 0) {
- SNDERR("audioservice_expect failed for BT_GETCAPABILITIES_RSP\n");
+ ERR("audioservice_expect failed for BT_GETCAPABILITIES_RSP\n");
goto failed;
}
if (rsp_hdr->posix_errno != 0) {
- SNDERR("BT_GETCAPABILITIES failed : %s(%d)",
+ ERR("BT_GETCAPABILITIES failed : %s(%d)",
strerror(rsp_hdr->posix_errno),
rsp_hdr->posix_errno);
err = -rsp_hdr->posix_errno;
return 0;
failed:
- SNDERR("bluetooth_init failed, err: %d\n", err);
+ ERR("bluetooth_init failed, err: %d\n", err);
bt_audio_service_close(sk);
data->server.fd = -1;
return err;
err = bluetooth_a2dp_hw_params(data);
if (err < 0) {
- SNDERR("bluetooth_a2dp_hw_params failed");
+ ERR("bluetooth_a2dp_hw_params failed");
goto error;
}
int a2dp_write(a2dpData d, const void* buffer, int count)
{
struct bluetooth_data* data = (struct bluetooth_data*)d;
- const uint8_t* src = buffer;
+ uint8_t* src = (uint8_t *)buffer;
int codesize = data->codesize;
long ret = 0;
long frames_left = count;
if (!data->started) {
ret = bluetooth_start(data);
if (ret < 0) {
- SNDERR("bluetooth_start failed");
+ ERR("bluetooth_start failed");
return ret;
}
data->started = 1;
sizeof(data->buffer) - data->count,
&written);
if (encoded <= 0) {
- DBG("Encoding error %d", encoded);
+ ERR("Encoding error %d", encoded);
goto done;
}
- DBG("sbc_encode returned %d, codesize: %d, written: %d\n", encoded, codesize, written);
+ VDBG("sbc_encode returned %d, codesize: %d, written: %d\n",
+ encoded, codesize, written);
src += encoded;
data->count += written;
/* No space left for another frame then send */
if (data->count + written >= data->link_mtu) {
- DBG("sending packet %d, count %d, link_mtu %u",
+ VDBG("sending packet %d, count %d, link_mtu %u",
data->seq_num, data->count,
data->link_mtu);
avdtp_write(data, data->last_duration);
}
if (frames_left > 0)
- SNDERR("%ld bytes left at end of a2dp_write\n", frames_left);
+ ERR("%ld bytes left at end of a2dp_write\n", frames_left);
done:
- DBG("returning %ld", ret);
+ VDBG("returning %ld", ret);
return ret;
}
static int count = -1;
static int timeout = 10;
static int reverse = 0;
+static int verify = 0;
/* Stats */
static int sent_pkt = 0;
struct sigaction sa;
struct sockaddr_l2 addr;
socklen_t optlen;
- unsigned char *buf;
+ unsigned char *send_buf;
+ unsigned char *recv_buf;
char str[18];
int i, sk, lost;
uint8_t id;
sa.sa_handler = stat;
sigaction(SIGINT, &sa, NULL);
- buf = malloc(L2CAP_CMD_HDR_SIZE + size);
- if (!buf) {
+ send_buf = malloc(L2CAP_CMD_HDR_SIZE + size);
+ recv_buf = malloc(L2CAP_CMD_HDR_SIZE + size);
+ if (!send_buf || !recv_buf) {
perror("Can't allocate buffer");
exit(1);
}
sk = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP);
if (sk < 0) {
perror("Can't create socket");
- free(buf);
- exit(1);
+ goto error;
}
/* Bind to local address */
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
perror("Can't bind socket");
- close(sk);
- free(buf);
- exit(1);
+ goto error;
}
/* Connect to remote device */
if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
perror("Can't connect");
- close(sk);
- free(buf);
- exit(1);
+ goto error;
}
/* Get local address */
if (getsockname(sk, (struct sockaddr *) &addr, &optlen) < 0) {
perror("Can't get local address");
- close(sk);
- free(buf);
- exit(1);
+ goto error;
}
ba2str(&addr.l2_bdaddr, str);
printf("Ping: %s from %s (data size %d) ...\n", svr, str, size);
- /* Initialize buffer */
+ /* Initialize send buffer */
for (i = 0; i < size; i++)
- buf[L2CAP_CMD_HDR_SIZE + i] = (i % 40) + 'A';
+ send_buf[L2CAP_CMD_HDR_SIZE + i] = (i % 40) + 'A';
id = ident;
while (count == -1 || count-- > 0) {
struct timeval tv_send, tv_recv, tv_diff;
- l2cap_cmd_hdr *cmd = (l2cap_cmd_hdr *) buf;
+ l2cap_cmd_hdr *send_cmd = (l2cap_cmd_hdr *) send_buf;
+ l2cap_cmd_hdr *recv_cmd = (l2cap_cmd_hdr *) recv_buf;
/* Build command header */
- cmd->ident = id;
- cmd->len = htobs(size);
+ send_cmd->ident = id;
+ send_cmd->len = htobs(size);
if (reverse)
- cmd->code = L2CAP_ECHO_RSP;
+ send_cmd->code = L2CAP_ECHO_RSP;
else
- cmd->code = L2CAP_ECHO_REQ;
+ send_cmd->code = L2CAP_ECHO_REQ;
gettimeofday(&tv_send, NULL);
/* Send Echo Command */
- if (send(sk, buf, L2CAP_CMD_HDR_SIZE + size, 0) <= 0) {
+ if (send(sk, send_buf, L2CAP_CMD_HDR_SIZE + size, 0) <= 0) {
perror("Send failed");
- exit(1);
+ goto error;
}
/* Wait for Echo Response */
if ((err = poll(pf, 1, timeout * 1000)) < 0) {
perror("Poll failed");
- exit(1);
+ goto error;
}
if (!err) {
break;
}
- if ((err = recv(sk, buf, L2CAP_CMD_HDR_SIZE + size, 0)) < 0) {
+ if ((err = recv(sk, recv_buf, L2CAP_CMD_HDR_SIZE + size, 0)) < 0) {
perror("Recv failed");
- exit(1);
+ goto error;
}
if (!err){
printf("Disconnected\n");
- exit(1);
+ goto error;
}
- cmd->len = btohs(cmd->len);
+ recv_cmd->len = btohs(recv_cmd->len);
/* Check for our id */
- if (cmd->ident != id)
+ if (recv_cmd->ident != id)
continue;
/* Check type */
- if (!reverse && cmd->code == L2CAP_ECHO_RSP)
+ if (!reverse && recv_cmd->code == L2CAP_ECHO_RSP)
break;
- if (cmd->code == L2CAP_COMMAND_REJ) {
+ if (recv_cmd->code == L2CAP_COMMAND_REJ) {
printf("Peer doesn't support Echo packets\n");
- exit(1);
+ goto error;
}
}
gettimeofday(&tv_recv, NULL);
timersub(&tv_recv, &tv_send, &tv_diff);
- printf("%d bytes from %s id %d time %.2fms\n", cmd->len, svr, id - ident, tv2fl(tv_diff));
+ if (verify) {
+ /* Check payload length */
+ if (recv_cmd->len != size) {
+ fprintf(stderr, "Received %d bytes, expected %d\n",
+ recv_cmd->len, size);
+ goto error;
+ }
+
+ /* Check payload */
+ if (memcmp(&send_buf[L2CAP_CMD_HDR_SIZE],
+ &recv_buf[L2CAP_CMD_HDR_SIZE], size)) {
+ fprintf(stderr, "Response payload different.\n");
+ goto error;
+ }
+ }
+
+ printf("%d bytes from %s id %d time %.2fms\n", recv_cmd->len, svr,
+ id - ident, tv2fl(tv_diff));
if (delay)
sleep(delay);
id = ident;
}
stat(0);
+ return;
+
+error:
+ close(sk);
+ free(send_buf);
+ free(recv_buf);
+ exit(1);
}
static void usage(void)
{
printf("l2ping - L2CAP ping\n");
printf("Usage:\n");
- printf("\tl2ping [-i device] [-s size] [-c count] [-t timeout] [-d delay] [-f] [-r] <bdaddr>\n");
+ printf("\tl2ping [-i device] [-s size] [-c count] [-t timeout] [-d delay] [-f] [-r] [-v] <bdaddr>\n");
+ printf("\t-f Flood ping (delay = 0)\n");
+ printf("\t-r Reverse ping\n");
+ printf("\t-v Verify the request and response payload are identical.\n");
+ printf("\t This is not required by the Bluetooth spec, but will work\n");
+ printf("\t with most remote stacks, including bluez.\n");
}
int main(int argc, char *argv[])
/* Default options */
bacpy(&bdaddr, BDADDR_ANY);
- while ((opt=getopt(argc,argv,"i:d:s:c:t:fr")) != EOF) {
+ while ((opt=getopt(argc,argv,"i:d:s:c:t:frv")) != EOF) {
switch(opt) {
case 'i':
if (!strncasecmp(optarg, "hci", 3))
reverse = 1;
break;
+ case 'v':
+ verify = 1;
+ break;
+
case 'c':
count = atoi(optarg);
break;
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