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	A2DP poorly working
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						commit
						2f455bfa5a
					
				
					 1 changed files with 194 additions and 6 deletions
				
			
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			@ -597,9 +597,9 @@ static void thread_func(void *userdata) {
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                void *p;
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                u->memchunk.memblock = pa_memblock_new(u->mempool, u->block_size);
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                pa_log("memblock allocated");
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                pa_log("memblock allocated %d", u->block_size);
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                u->memchunk.length = pa_memblock_get_length(u->memchunk.memblock);
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                pa_log("memchunk length");
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                pa_log("memchunk length %d", u->memchunk.length);
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                pa_sink_render_into_full(u->sink, &u->memchunk);
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                pa_log("rendered");
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			@ -608,7 +608,7 @@ static void thread_func(void *userdata) {
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                p = pa_memblock_acquire(u->memchunk.memblock);
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                pa_log("memblock acquired");
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                l = pa_write(u->stream_fd, (uint8_t*) p, u->memchunk.length, &write_type);
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                pa_log("memblock written");
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                pa_log("memblock written %d bytes", l);
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                pa_memblock_release(u->memchunk.memblock);
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                pa_log("memblock released");
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			@ -690,6 +690,186 @@ finish:
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    pa_log_debug("Thread shutting down");
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}
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static void a2dp_thread_func(void *userdata) {
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    struct userdata *u = userdata;
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    int write_type = 0;
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    pa_assert(u);
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    pa_log/*_debug*/("A2DP Thread starting up");
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    pa_thread_mq_install(&u->thread_mq);
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    pa_rtpoll_install(u->rtpoll);
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    pa_smoother_set_time_offset(u->smoother, pa_rtclock_usec());
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    for (;;) {
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        int ret;
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        struct pollfd *pollfd;
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        if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
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            if (u->sink->thread_info.rewind_requested) {
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                pa_log("rewind_requested");
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                pa_sink_process_rewind(u->sink, 0);
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                pa_log("rewind_finished");
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            }
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        }
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        pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
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        /* Render some data and write it to the fifo */
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        if (PA_SINK_IS_OPENED(u->sink->thread_info.state) && pollfd->revents) {
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            pa_usec_t usec;
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            int64_t n;
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            pa_log("Render some data and write it to the fifo");
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            for (;;) {
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                ssize_t l;
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                void *p;
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                struct bt_a2dp *a2dp = &u->a2dp;
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                int frame_size, encoded, written;
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                u->memchunk.memblock = pa_memblock_new(u->mempool, u->block_size);
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                pa_log("memblock allocated %d", u->block_size);
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                u->memchunk.length = pa_memblock_get_length(u->memchunk.memblock);
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                pa_log("memchunk length %d", u->memchunk.length);
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                pa_sink_render_into_full(u->sink, &u->memchunk);
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                pa_log("rendered");
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                pa_assert(u->memchunk.length > 0);
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                p = pa_memblock_acquire(u->memchunk.memblock);
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                pa_log("memblock acquired");
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                frame_size = sbc_get_frame_length(&a2dp->sbc);
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                pa_log("frame_size: %d", frame_size);
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                encoded = sbc_encode(&a2dp->sbc, (uint8_t*) p, a2dp->codesize, a2dp->buffer + a2dp->count,
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                        sizeof(a2dp->buffer) - a2dp->count, &written);
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                pa_log("encoded: %d", encoded);
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                pa_log("written: %d", encoded);
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                if (encoded <= 0) {
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                    pa_log_error("SBC encoding error (%d)", encoded);
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                    goto fail;
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                }
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                pa_memblock_release(u->memchunk.memblock);
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                pa_log("memblock released");
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                pa_memblock_unref(u->memchunk.memblock);
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                pa_log("memblock unrefered");
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                pa_memchunk_reset(&u->memchunk);
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                pa_log("memchunk reseted");
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                a2dp->count += written;
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                a2dp->frame_count++;
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                a2dp->samples += encoded / frame_size;
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                a2dp->nsamples += encoded / frame_size;
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                if (a2dp->count + written >= u->link_mtu) {
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                    struct rtp_header *header = (void *) a2dp->buffer;
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                    struct rtp_payload *payload = (void *) (a2dp->buffer + sizeof(*header));
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                    memset(a2dp->buffer, 0, sizeof(*header) + sizeof(*payload));
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                    payload->frame_count = a2dp->frame_count;
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                    header->v = 2;
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                    header->pt = 1;
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                    header->sequence_number = htons(a2dp->seq_num);
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                    header->timestamp = htonl(a2dp->nsamples);
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                    header->ssrc = htonl(1);
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                    l = pa_write(u->stream_fd, a2dp->buffer, a2dp->count, 0);
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                    pa_log("avdtp_write %d", a2dp->count);
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                    if (l > 0) {
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                        /* Reset buffer of data to send */
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                        a2dp->count = sizeof(struct rtp_header) + sizeof(struct rtp_payload);
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                        a2dp->frame_count = 0;
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                        a2dp->samples = 0;
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                        a2dp->seq_num++;
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                    }
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                    pa_log("avdtp written %d bytes", l);
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                    pa_assert(l != 0);
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                    if (l < 0) {
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                        pa_log("l = %d < 0", l);
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                        if (errno == EINTR) {
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                            pa_log("EINTR");
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                            continue;
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                        }
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                        else if (errno == EAGAIN) {
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                            pa_log("EAGAIN");
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                            goto filled_up;
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                        }
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                        else {
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                            pa_log("Failed to write data to FIFO: %s", pa_cstrerror(errno));
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                            goto fail;
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                        }
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                    } else {
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                        pa_log("l = %d >= 0", l);
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                        u->offset += l;
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                        pollfd->revents = 0;
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                        goto filled_up;
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                    }
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                }
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            }
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filled_up:
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            pa_log("filled_up");
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            /* At this spot we know that the socket buffers are fully filled up.
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             * This is the best time to estimate the playback position of the server */
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            n = u->offset;
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#ifdef SIOCOUTQ
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            {
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                int l;
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                if (ioctl(u->fd, SIOCOUTQ, &l) >= 0 && l > 0)
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                    n -= l;
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            }
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#endif
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            usec = pa_bytes_to_usec(n, &u->sink->sample_spec);
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            if (usec > u->latency)
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                usec -= u->latency;
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            else
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                usec = 0;
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            pa_smoother_put(u->smoother, pa_rtclock_usec(), usec);
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        }
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        /* Hmm, nothing to do. Let's sleep */
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        pa_log("let's sleep");
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        pollfd->events = PA_SINK_IS_OPENED(u->sink->thread_info.state) ? POLLOUT : 0;
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        if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) {
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            pa_log("ret < 0");
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            goto fail;
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        }
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        pa_log("waking up");
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        if (ret == 0) {
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            pa_log("ret == 0");
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            goto finish;
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        }
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        pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
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        if (pollfd->revents & ~POLLOUT) {
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            pa_log("FIFO shutdown.");
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            goto fail;
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        }
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    }
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fail:
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    /* If this was no regular exit from the loop we have to continue processing messages until we receive PA_MESSAGE_SHUTDOWN */
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    pa_log("fail");
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    pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
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    pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
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finish:
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    pa_log_debug("A2DP Thread shutting down");
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}
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int pa__init(pa_module* m) {
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    int e;
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    const char *rate, *channels;
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			@ -794,9 +974,17 @@ int pa__init(pa_module* m) {
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    pollfd->events = pollfd->revents = 0;
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    /* start rt thread */
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    if (!(u->thread = pa_thread_new(thread_func, u))) {
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        pa_log_error("failed to create thread");
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        goto fail;
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    if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
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        if (!(u->thread = pa_thread_new(a2dp_thread_func, u))) {
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            pa_log_error("failed to create thread");
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            goto fail;
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        }
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    }
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    else {
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        if (!(u->thread = pa_thread_new(thread_func, u))) {
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            pa_log_error("failed to create thread");
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            goto fail;
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        }
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    }
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    pa_sink_put(u->sink);
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