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