mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-06 13:29:56 -05:00
bluetooth: Create I/O thread function for BlueZ 5 cards
Create the thread function, the render and push functions for A2DP, the process message function for communication between the I/O thread and the main thread, and other helper functions related to them.
This commit is contained in:
João Paulo Rechi Vita
Tanu Kaskinen
parent
44462904df
commit
eb9813c833
1 changed files with 638 additions and 0 deletions
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@ -24,19 +24,29 @@
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#include <config.h>
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#endif
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#include <errno.h>
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#include <arpa/inet.h>
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#include <sbc/sbc.h>
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#include <pulse/rtclock.h>
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#include <pulse/timeval.h>
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#include <pulsecore/core-error.h>
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#include <pulsecore/core-util.h>
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#include <pulsecore/i18n.h>
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#include <pulsecore/module.h>
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#include <pulsecore/modargs.h>
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#include <pulsecore/poll.h>
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#include <pulsecore/rtpoll.h>
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#include <pulsecore/socket-util.h>
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#include <pulsecore/thread.h>
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#include <pulsecore/thread-mq.h>
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#include <pulsecore/time-smoother.h>
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#include "a2dp-codecs.h"
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#include "bluez5-util.h"
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#include "rtp.h"
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#include "module-bluez5-device-symdef.h"
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@ -46,11 +56,30 @@ PA_MODULE_VERSION(PACKAGE_VERSION);
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PA_MODULE_LOAD_ONCE(false);
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PA_MODULE_USAGE("path=<device object path>");
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#define MAX_PLAYBACK_CATCH_UP_USEC (100 * PA_USEC_PER_MSEC)
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#define FIXED_LATENCY_PLAYBACK_A2DP (25 * PA_USEC_PER_MSEC)
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#define FIXED_LATENCY_RECORD_A2DP (25 * PA_USEC_PER_MSEC)
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#define BITPOOL_DEC_LIMIT 32
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#define BITPOOL_DEC_STEP 5
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static const char* const valid_modargs[] = {
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"path",
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NULL
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};
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enum {
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BLUETOOTH_MESSAGE_IO_THREAD_FAILED,
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BLUETOOTH_MESSAGE_MAX
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};
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typedef struct bluetooth_msg {
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pa_msgobject parent;
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pa_card *card;
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} bluetooth_msg;
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PA_DEFINE_PRIVATE_CLASS(bluetooth_msg, pa_msgobject);
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#define BLUETOOTH_MSG(o) (bluetooth_msg_cast(o))
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typedef struct sbc_info {
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sbc_t sbc; /* Codec data */
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bool sbc_initialized; /* Keep track if the encoder is initialized */
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@ -85,12 +114,19 @@ struct userdata {
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pa_thread_mq thread_mq;
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pa_rtpoll *rtpoll;
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pa_rtpoll_item *rtpoll_item;
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bluetooth_msg *msg;
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int stream_fd;
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int stream_write_type;
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size_t read_link_mtu;
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size_t write_link_mtu;
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size_t read_block_size;
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size_t write_block_size;
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uint64_t read_index;
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uint64_t write_index;
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pa_usec_t started_at;
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pa_smoother *read_smoother;
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pa_memchunk write_memchunk;
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pa_sample_spec sample_spec;
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struct sbc_info sbc_info;
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};
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@ -196,6 +232,320 @@ static void connect_ports(struct userdata *u, void *new_data, pa_direction_t dir
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}
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}
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/* Run from IO thread */
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static void a2dp_prepare_buffer(struct userdata *u) {
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size_t min_buffer_size = PA_MAX(u->read_link_mtu, u->write_link_mtu);
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pa_assert(u);
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if (u->sbc_info.buffer_size >= min_buffer_size)
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return;
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u->sbc_info.buffer_size = 2 * min_buffer_size;
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pa_xfree(u->sbc_info.buffer);
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u->sbc_info.buffer = pa_xmalloc(u->sbc_info.buffer_size);
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}
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/* Run from IO thread */
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static int a2dp_process_render(struct userdata *u) {
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struct sbc_info *sbc_info;
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struct rtp_header *header;
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struct rtp_payload *payload;
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size_t nbytes;
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void *d;
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const void *p;
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size_t to_write, to_encode;
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unsigned frame_count;
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int ret = 0;
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pa_assert(u);
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pa_assert(u->profile == PA_BLUETOOTH_PROFILE_A2DP_SINK);
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pa_assert(u->sink);
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/* First, render some data */
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if (!u->write_memchunk.memblock)
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pa_sink_render_full(u->sink, u->write_block_size, &u->write_memchunk);
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pa_assert(u->write_memchunk.length == u->write_block_size);
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a2dp_prepare_buffer(u);
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sbc_info = &u->sbc_info;
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header = sbc_info->buffer;
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payload = (struct rtp_payload*) ((uint8_t*) sbc_info->buffer + sizeof(*header));
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frame_count = 0;
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/* Try to create a packet of the full MTU */
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p = (const uint8_t *) pa_memblock_acquire_chunk(&u->write_memchunk);
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to_encode = u->write_memchunk.length;
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d = (uint8_t*) sbc_info->buffer + sizeof(*header) + sizeof(*payload);
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to_write = sbc_info->buffer_size - sizeof(*header) - sizeof(*payload);
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while (PA_LIKELY(to_encode > 0 && to_write > 0)) {
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ssize_t written;
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ssize_t encoded;
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encoded = sbc_encode(&sbc_info->sbc,
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p, to_encode,
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d, to_write,
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&written);
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if (PA_UNLIKELY(encoded <= 0)) {
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pa_log_error("SBC encoding error (%li)", (long) encoded);
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pa_memblock_release(u->write_memchunk.memblock);
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return -1;
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}
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pa_assert_fp((size_t) encoded <= to_encode);
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pa_assert_fp((size_t) encoded == sbc_info->codesize);
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pa_assert_fp((size_t) written <= to_write);
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pa_assert_fp((size_t) written == sbc_info->frame_length);
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p = (const uint8_t*) p + encoded;
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to_encode -= encoded;
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d = (uint8_t*) d + written;
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to_write -= written;
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frame_count++;
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}
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pa_memblock_release(u->write_memchunk.memblock);
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pa_assert(to_encode == 0);
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PA_ONCE_BEGIN {
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pa_log_debug("Using SBC encoder implementation: %s", pa_strnull(sbc_get_implementation_info(&sbc_info->sbc)));
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} PA_ONCE_END;
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/* write it to the fifo */
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memset(sbc_info->buffer, 0, sizeof(*header) + sizeof(*payload));
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header->v = 2;
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header->pt = 1;
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header->sequence_number = htons(sbc_info->seq_num++);
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header->timestamp = htonl(u->write_index / pa_frame_size(&u->sample_spec));
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header->ssrc = htonl(1);
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payload->frame_count = frame_count;
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nbytes = (uint8_t*) d - (uint8_t*) sbc_info->buffer;
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for (;;) {
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ssize_t l;
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l = pa_write(u->stream_fd, sbc_info->buffer, nbytes, &u->stream_write_type);
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pa_assert(l != 0);
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if (l < 0) {
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if (errno == EINTR)
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/* Retry right away if we got interrupted */
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continue;
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else if (errno == EAGAIN)
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/* Hmm, apparently the socket was not writable, give up for now */
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break;
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pa_log_error("Failed to write data to socket: %s", pa_cstrerror(errno));
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ret = -1;
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break;
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}
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pa_assert((size_t) l <= nbytes);
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if ((size_t) l != nbytes) {
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pa_log_warn("Wrote memory block to socket only partially! %llu written, wanted to write %llu.",
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(unsigned long long) l,
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(unsigned long long) nbytes);
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ret = -1;
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break;
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}
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u->write_index += (uint64_t) u->write_memchunk.length;
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pa_memblock_unref(u->write_memchunk.memblock);
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pa_memchunk_reset(&u->write_memchunk);
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ret = 1;
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break;
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}
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return ret;
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}
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/* Run from IO thread */
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static int a2dp_process_push(struct userdata *u) {
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int ret = 0;
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pa_memchunk memchunk;
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pa_assert(u);
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pa_assert(u->profile == PA_BLUETOOTH_PROFILE_A2DP_SOURCE);
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pa_assert(u->source);
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pa_assert(u->read_smoother);
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memchunk.memblock = pa_memblock_new(u->core->mempool, u->read_block_size);
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memchunk.index = memchunk.length = 0;
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for (;;) {
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bool found_tstamp = false;
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pa_usec_t tstamp;
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struct sbc_info *sbc_info;
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struct rtp_header *header;
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struct rtp_payload *payload;
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const void *p;
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void *d;
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ssize_t l;
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size_t to_write, to_decode;
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a2dp_prepare_buffer(u);
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sbc_info = &u->sbc_info;
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header = sbc_info->buffer;
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payload = (struct rtp_payload*) ((uint8_t*) sbc_info->buffer + sizeof(*header));
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l = pa_read(u->stream_fd, sbc_info->buffer, sbc_info->buffer_size, &u->stream_write_type);
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if (l <= 0) {
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if (l < 0 && errno == EINTR)
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/* Retry right away if we got interrupted */
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continue;
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else if (l < 0 && errno == EAGAIN)
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/* Hmm, apparently the socket was not readable, give up for now. */
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break;
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pa_log_error("Failed to read data from socket: %s", l < 0 ? pa_cstrerror(errno) : "EOF");
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ret = -1;
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break;
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}
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pa_assert((size_t) l <= sbc_info->buffer_size);
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u->read_index += (uint64_t) l;
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/* TODO: get timestamp from rtp */
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if (!found_tstamp) {
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/* pa_log_warn("Couldn't find SO_TIMESTAMP data in auxiliary recvmsg() data!"); */
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tstamp = pa_rtclock_now();
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}
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pa_smoother_put(u->read_smoother, tstamp, pa_bytes_to_usec(u->read_index, &u->sample_spec));
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pa_smoother_resume(u->read_smoother, tstamp, true);
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p = (uint8_t*) sbc_info->buffer + sizeof(*header) + sizeof(*payload);
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to_decode = l - sizeof(*header) - sizeof(*payload);
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d = pa_memblock_acquire(memchunk.memblock);
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to_write = memchunk.length = pa_memblock_get_length(memchunk.memblock);
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while (PA_LIKELY(to_decode > 0)) {
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size_t written;
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ssize_t decoded;
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decoded = sbc_decode(&sbc_info->sbc,
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p, to_decode,
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d, to_write,
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&written);
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if (PA_UNLIKELY(decoded <= 0)) {
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pa_log_error("SBC decoding error (%li)", (long) decoded);
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pa_memblock_release(memchunk.memblock);
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pa_memblock_unref(memchunk.memblock);
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return -1;
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}
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/* Reset frame length, it can be changed due to bitpool change */
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sbc_info->frame_length = sbc_get_frame_length(&sbc_info->sbc);
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pa_assert_fp((size_t) decoded <= to_decode);
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pa_assert_fp((size_t) decoded == sbc_info->frame_length);
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pa_assert_fp((size_t) written == sbc_info->codesize);
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p = (const uint8_t*) p + decoded;
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to_decode -= decoded;
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d = (uint8_t*) d + written;
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to_write -= written;
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}
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memchunk.length -= to_write;
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pa_memblock_release(memchunk.memblock);
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pa_source_post(u->source, &memchunk);
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ret = l;
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break;
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}
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pa_memblock_unref(memchunk.memblock);
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return ret;
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}
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/* Run from I/O thread */
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static void a2dp_set_bitpool(struct userdata *u, uint8_t bitpool) {
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struct sbc_info *sbc_info;
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pa_assert(u);
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sbc_info = &u->sbc_info;
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if (sbc_info->sbc.bitpool == bitpool)
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return;
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if (bitpool > sbc_info->max_bitpool)
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bitpool = sbc_info->max_bitpool;
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else if (bitpool < sbc_info->min_bitpool)
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bitpool = sbc_info->min_bitpool;
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sbc_info->sbc.bitpool = bitpool;
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sbc_info->codesize = sbc_get_codesize(&sbc_info->sbc);
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sbc_info->frame_length = sbc_get_frame_length(&sbc_info->sbc);
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pa_log_debug("Bitpool has changed to %u", sbc_info->sbc.bitpool);
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u->read_block_size =
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(u->read_link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload))
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/ sbc_info->frame_length * sbc_info->codesize;
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u->write_block_size =
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(u->write_link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload))
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/ sbc_info->frame_length * sbc_info->codesize;
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pa_sink_set_max_request_within_thread(u->sink, u->write_block_size);
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pa_sink_set_fixed_latency_within_thread(u->sink,
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FIXED_LATENCY_PLAYBACK_A2DP + pa_bytes_to_usec(u->write_block_size, &u->sample_spec));
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}
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/* Run from I/O thread */
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static void a2dp_reduce_bitpool(struct userdata *u) {
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struct sbc_info *sbc_info;
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uint8_t bitpool;
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pa_assert(u);
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sbc_info = &u->sbc_info;
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/* Check if bitpool is already at its limit */
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if (sbc_info->sbc.bitpool <= BITPOOL_DEC_LIMIT)
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return;
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bitpool = sbc_info->sbc.bitpool - BITPOOL_DEC_STEP;
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if (bitpool < BITPOOL_DEC_LIMIT)
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bitpool = BITPOOL_DEC_LIMIT;
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a2dp_set_bitpool(u, bitpool);
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}
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static void teardown_stream(struct userdata *u) {
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if (u->rtpoll_item) {
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pa_rtpoll_item_free(u->rtpoll_item);
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@ -207,6 +557,16 @@ static void teardown_stream(struct userdata *u) {
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u->stream_fd = -1;
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}
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if (u->read_smoother) {
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pa_smoother_free(u->read_smoother);
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u->read_smoother = NULL;
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}
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if (u->write_memchunk.memblock) {
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pa_memblock_unref(u->write_memchunk.memblock);
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pa_memchunk_reset(&u->write_memchunk);
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}
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pa_log_debug("Audio stream torn down");
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}
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@ -244,6 +604,62 @@ static void transport_release(struct userdata *u) {
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teardown_stream(u);
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}
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/* Run from I/O thread */
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static void transport_config_mtu(struct userdata *u) {
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u->read_block_size =
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(u->read_link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload))
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/ u->sbc_info.frame_length * u->sbc_info.codesize;
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u->write_block_size =
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(u->write_link_mtu - sizeof(struct rtp_header) - sizeof(struct rtp_payload))
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/ u->sbc_info.frame_length * u->sbc_info.codesize;
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if (u->sink) {
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pa_sink_set_max_request_within_thread(u->sink, u->write_block_size);
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pa_sink_set_fixed_latency_within_thread(u->sink,
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FIXED_LATENCY_PLAYBACK_A2DP +
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pa_bytes_to_usec(u->write_block_size, &u->sample_spec));
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}
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if (u->source)
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pa_source_set_fixed_latency_within_thread(u->source,
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FIXED_LATENCY_RECORD_A2DP +
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pa_bytes_to_usec(u->read_block_size, &u->sample_spec));
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}
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/* Run from I/O thread */
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static void setup_stream(struct userdata *u) {
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struct pollfd *pollfd;
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int one;
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pa_log_info("Transport %s resuming", u->transport->path);
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transport_config_mtu(u);
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pa_make_fd_nonblock(u->stream_fd);
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pa_make_socket_low_delay(u->stream_fd);
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|
||||
one = 1;
|
||||
if (setsockopt(u->stream_fd, SOL_SOCKET, SO_TIMESTAMP, &one, sizeof(one)) < 0)
|
||||
pa_log_warn("Failed to enable SO_TIMESTAMP: %s", pa_cstrerror(errno));
|
||||
|
||||
pa_log_debug("Stream properly set up, we're ready to roll!");
|
||||
|
||||
if (u->profile == PA_BLUETOOTH_PROFILE_A2DP_SINK)
|
||||
a2dp_set_bitpool(u, u->sbc_info.max_bitpool);
|
||||
|
||||
u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
|
||||
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
|
||||
pollfd->fd = u->stream_fd;
|
||||
pollfd->events = pollfd->revents = 0;
|
||||
|
||||
u->read_index = u->write_index = 0;
|
||||
u->started_at = 0;
|
||||
|
||||
if (u->source)
|
||||
u->read_smoother = pa_smoother_new(PA_USEC_PER_SEC, 2*PA_USEC_PER_SEC, true, true, 10, pa_rtclock_now(), true);
|
||||
}
|
||||
|
||||
/* Run from main thread */
|
||||
static int add_source(struct userdata *u) {
|
||||
pa_source_new_data data;
|
||||
|
|
@ -483,6 +899,194 @@ static int init_profile(struct userdata *u) {
|
|||
|
||||
/* I/O thread function */
|
||||
static void thread_func(void *userdata) {
|
||||
struct userdata *u = userdata;
|
||||
unsigned do_write = 0;
|
||||
unsigned pending_read_bytes = 0;
|
||||
bool writable = false;
|
||||
|
||||
pa_assert(u);
|
||||
pa_assert(u->transport);
|
||||
|
||||
pa_log_debug("IO Thread starting up");
|
||||
|
||||
if (u->core->realtime_scheduling)
|
||||
pa_make_realtime(u->core->realtime_priority);
|
||||
|
||||
pa_thread_mq_install(&u->thread_mq);
|
||||
|
||||
/* Setup the stream only if the transport was already acquired */
|
||||
if (u->transport_acquired)
|
||||
setup_stream(u);
|
||||
|
||||
for (;;) {
|
||||
struct pollfd *pollfd;
|
||||
int ret;
|
||||
bool disable_timer = true;
|
||||
|
||||
pollfd = u->rtpoll_item ? pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL) : NULL;
|
||||
|
||||
if (u->source && PA_SOURCE_IS_LINKED(u->source->thread_info.state)) {
|
||||
|
||||
/* We should send two blocks to the device before we expect
|
||||
* a response. */
|
||||
|
||||
if (u->write_index == 0 && u->read_index <= 0)
|
||||
do_write = 2;
|
||||
|
||||
if (pollfd && (pollfd->revents & POLLIN)) {
|
||||
int n_read;
|
||||
|
||||
n_read = a2dp_process_push(u);
|
||||
|
||||
if (n_read < 0)
|
||||
goto io_fail;
|
||||
|
||||
/* We just read something, so we are supposed to write something, too */
|
||||
pending_read_bytes += n_read;
|
||||
do_write += pending_read_bytes / u->write_block_size;
|
||||
pending_read_bytes = pending_read_bytes % u->write_block_size;
|
||||
}
|
||||
}
|
||||
|
||||
if (u->sink && PA_SINK_IS_LINKED(u->sink->thread_info.state)) {
|
||||
|
||||
if (PA_UNLIKELY(u->sink->thread_info.rewind_requested))
|
||||
pa_sink_process_rewind(u->sink, 0);
|
||||
|
||||
if (pollfd) {
|
||||
if (pollfd->revents & POLLOUT)
|
||||
writable = true;
|
||||
|
||||
if ((!u->source || !PA_SOURCE_IS_LINKED(u->source->thread_info.state)) && do_write <= 0 && writable) {
|
||||
pa_usec_t time_passed;
|
||||
pa_usec_t audio_sent;
|
||||
|
||||
/* Hmm, there is no input stream we could synchronize
|
||||
* to. So let's do things by time */
|
||||
|
||||
time_passed = pa_rtclock_now() - u->started_at;
|
||||
audio_sent = pa_bytes_to_usec(u->write_index, &u->sample_spec);
|
||||
|
||||
if (audio_sent <= time_passed) {
|
||||
pa_usec_t audio_to_send = time_passed - audio_sent;
|
||||
|
||||
/* Never try to catch up for more than 100ms */
|
||||
if (u->write_index > 0 && audio_to_send > MAX_PLAYBACK_CATCH_UP_USEC) {
|
||||
pa_usec_t skip_usec;
|
||||
uint64_t skip_bytes;
|
||||
|
||||
skip_usec = audio_to_send - MAX_PLAYBACK_CATCH_UP_USEC;
|
||||
skip_bytes = pa_usec_to_bytes(skip_usec, &u->sample_spec);
|
||||
|
||||
if (skip_bytes > 0) {
|
||||
pa_memchunk tmp;
|
||||
|
||||
pa_log_warn("Skipping %llu us (= %llu bytes) in audio stream",
|
||||
(unsigned long long) skip_usec,
|
||||
(unsigned long long) skip_bytes);
|
||||
|
||||
pa_sink_render_full(u->sink, skip_bytes, &tmp);
|
||||
pa_memblock_unref(tmp.memblock);
|
||||
u->write_index += skip_bytes;
|
||||
|
||||
if (u->profile == PA_BLUETOOTH_PROFILE_A2DP_SINK)
|
||||
a2dp_reduce_bitpool(u);
|
||||
}
|
||||
}
|
||||
|
||||
do_write = 1;
|
||||
pending_read_bytes = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (writable && do_write > 0) {
|
||||
int n_written;
|
||||
|
||||
if (u->write_index <= 0)
|
||||
u->started_at = pa_rtclock_now();
|
||||
|
||||
if ((n_written = a2dp_process_render(u)) < 0)
|
||||
goto io_fail;
|
||||
|
||||
if (n_written == 0)
|
||||
pa_log("Broken kernel: we got EAGAIN on write() after POLLOUT!");
|
||||
|
||||
do_write -= n_written;
|
||||
writable = false;
|
||||
}
|
||||
|
||||
if ((!u->source || !PA_SOURCE_IS_LINKED(u->source->thread_info.state)) && do_write <= 0) {
|
||||
pa_usec_t sleep_for;
|
||||
pa_usec_t time_passed, next_write_at;
|
||||
|
||||
if (writable) {
|
||||
/* Hmm, there is no input stream we could synchronize
|
||||
* to. So let's estimate when we need to wake up the latest */
|
||||
time_passed = pa_rtclock_now() - u->started_at;
|
||||
next_write_at = pa_bytes_to_usec(u->write_index, &u->sample_spec);
|
||||
sleep_for = time_passed < next_write_at ? next_write_at - time_passed : 0;
|
||||
/* pa_log("Sleeping for %lu; time passed %lu, next write at %lu", (unsigned long) sleep_for, (unsigned long) time_passed, (unsigned long)next_write_at); */
|
||||
} else
|
||||
/* drop stream every 500 ms */
|
||||
sleep_for = PA_USEC_PER_MSEC * 500;
|
||||
|
||||
pa_rtpoll_set_timer_relative(u->rtpoll, sleep_for);
|
||||
disable_timer = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (disable_timer)
|
||||
pa_rtpoll_set_timer_disabled(u->rtpoll);
|
||||
|
||||
/* Hmm, nothing to do. Let's sleep */
|
||||
if (pollfd)
|
||||
pollfd->events = (short) (((u->sink && PA_SINK_IS_LINKED(u->sink->thread_info.state) && !writable) ? POLLOUT : 0) |
|
||||
(u->source && PA_SOURCE_IS_LINKED(u->source->thread_info.state) ? POLLIN : 0));
|
||||
|
||||
if ((ret = pa_rtpoll_run(u->rtpoll, true)) < 0) {
|
||||
pa_log_debug("pa_rtpoll_run failed with: %d", ret);
|
||||
goto fail;
|
||||
}
|
||||
if (ret == 0) {
|
||||
pa_log_debug("IO thread shutdown requested, stopping cleanly");
|
||||
transport_release(u);
|
||||
goto finish;
|
||||
}
|
||||
|
||||
pollfd = u->rtpoll_item ? pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL) : NULL;
|
||||
|
||||
if (pollfd && (pollfd->revents & ~(POLLOUT|POLLIN))) {
|
||||
pa_log_info("FD error: %s%s%s%s",
|
||||
pollfd->revents & POLLERR ? "POLLERR " :"",
|
||||
pollfd->revents & POLLHUP ? "POLLHUP " :"",
|
||||
pollfd->revents & POLLPRI ? "POLLPRI " :"",
|
||||
pollfd->revents & POLLNVAL ? "POLLNVAL " :"");
|
||||
goto io_fail;
|
||||
}
|
||||
|
||||
continue;
|
||||
|
||||
io_fail:
|
||||
/* In case of HUP, just tear down the streams */
|
||||
if (!pollfd || (pollfd->revents & POLLHUP) == 0)
|
||||
goto fail;
|
||||
|
||||
do_write = 0;
|
||||
pending_read_bytes = 0;
|
||||
writable = false;
|
||||
|
||||
teardown_stream(u);
|
||||
}
|
||||
|
||||
fail:
|
||||
/* If this was no regular exit from the loop we have to continue processing messages until we receive PA_MESSAGE_SHUTDOWN */
|
||||
pa_log_debug("IO thread failed");
|
||||
pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(u->msg), BLUETOOTH_MESSAGE_IO_THREAD_FAILED, NULL, 0, NULL, NULL);
|
||||
pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
|
||||
|
||||
finish:
|
||||
pa_log_debug("IO thread shutting down");
|
||||
}
|
||||
|
||||
/* Run from main thread */
|
||||
|
|
@ -562,6 +1166,11 @@ static void stop_thread(struct userdata *u) {
|
|||
pa_source_unref(u->source);
|
||||
u->source = NULL;
|
||||
}
|
||||
|
||||
if (u->read_smoother) {
|
||||
pa_smoother_free(u->read_smoother);
|
||||
u->read_smoother = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* Run from main thread */
|
||||
|
|
@ -922,6 +1531,23 @@ static pa_hook_result_t device_connection_changed_cb(pa_bluetooth_discovery *y,
|
|||
return PA_HOOK_OK;
|
||||
}
|
||||
|
||||
/* Run from main thread context */
|
||||
static int device_process_msg(pa_msgobject *obj, int code, void *data, int64_t offset, pa_memchunk *chunk) {
|
||||
struct bluetooth_msg *u = BLUETOOTH_MSG(obj);
|
||||
|
||||
switch (code) {
|
||||
case BLUETOOTH_MESSAGE_IO_THREAD_FAILED:
|
||||
if (u->card->module->unload_requested)
|
||||
break;
|
||||
|
||||
pa_log_debug("Switching the profile to off due to IO thread failure.");
|
||||
pa_assert_se(pa_card_set_profile(u->card, "off", false) >= 0);
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int pa__init(pa_module* m) {
|
||||
struct userdata *u;
|
||||
const char *path;
|
||||
|
|
@ -960,6 +1586,12 @@ int pa__init(pa_module* m) {
|
|||
if (add_card(u) < 0)
|
||||
goto fail;
|
||||
|
||||
if (!(u->msg = pa_msgobject_new(bluetooth_msg)))
|
||||
goto fail;
|
||||
|
||||
u->msg->parent.process_msg = device_process_msg;
|
||||
u->msg->card = u->card;
|
||||
|
||||
if (u->profile != PA_BLUETOOTH_PROFILE_OFF)
|
||||
if (init_profile(u) < 0)
|
||||
goto off;
|
||||
|
|
@ -1000,9 +1632,15 @@ void pa__done(pa_module *m) {
|
|||
if (u->device_connection_changed_slot)
|
||||
pa_hook_slot_free(u->device_connection_changed_slot);
|
||||
|
||||
if (u->sbc_info.buffer)
|
||||
pa_xfree(u->sbc_info.buffer);
|
||||
|
||||
if (u->sbc_info.sbc_initialized)
|
||||
sbc_finish(&u->sbc_info.sbc);
|
||||
|
||||
if (u->msg)
|
||||
pa_xfree(u->msg);
|
||||
|
||||
if (u->card)
|
||||
pa_card_free(u->card);
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue