mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-10-31 22:25:33 -04:00
all kinds of minor type, memory leak, initializatio fixes
This commit is contained in:
Lennart Poettering
parent
a35f84a4f9
commit
3f4bc0368d
1 changed files with 113 additions and 141 deletions
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@ -53,7 +53,7 @@
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#define DEFAULT_SINK_NAME "bluetooth_sink"
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#define BUFFER_SIZE 2048
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#define MAX_BITPOOL 64
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#define MIN_BITPOOL 2
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#define MIN_BITPOOL 2U
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#define SOL_SCO 17
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#define SCO_TXBUFS 0x03
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#define SCO_RXBUFS 0x04
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@ -71,14 +71,14 @@ struct bt_a2dp {
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sbc_capabilities_t sbc_capabilities;
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sbc_t sbc; /* Codec data */
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pa_bool_t sbc_initialized; /* Keep track if the encoder is initialized */
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uint16_t codesize; /* SBC codesize */
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uint8_t samples; /* Number of encoded samples */
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size_t codesize; /* SBC codesize */
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unsigned samples; /* Number of encoded samples */
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uint8_t buffer[BUFFER_SIZE]; /* Codec transfer buffer */
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uint16_t count; /* Codec transfer buffer counter */
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size_t count; /* Codec transfer buffer counter */
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uint32_t nsamples; /* Cumulative number of codec samples */
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unsigned total_samples; /* Cumulative number of codec samples */
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uint16_t seq_num; /* Cumulative packet sequence */
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uint8_t frame_count; /* Current frames in buffer*/
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unsigned frame_count; /* Current frames in buffer*/
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};
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struct userdata {
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@ -91,23 +91,20 @@ struct userdata {
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pa_rtpoll_item *rtpoll_item;
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pa_thread *thread;
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int64_t offset;
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uint64_t offset;
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pa_smoother *smoother;
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pa_memchunk memchunk;
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pa_mempool *mempool;
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char *name;
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char *addr;
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char *profile;
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pa_sample_spec ss;
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uint8_t audioservice_fd;
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uint8_t stream_fd;
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int audioservice_fd;
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int stream_fd;
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uint8_t transport;
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char *strtransport;
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uint16_t link_mtu;
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size_t link_mtu;
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size_t block_size;
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pa_usec_t latency;
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@ -188,20 +185,20 @@ static int bt_getcaps(struct userdata *u) {
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else if (strcasecmp(u->profile, "hsp") == 0)
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msg.getcaps_req.transport = BT_CAPABILITIES_TRANSPORT_SCO;
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else {
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pa_log_error("invalid profile argument: %s", u->profile);
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pa_log_error("Invalid profile argument: %s", u->profile);
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return -1;
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}
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msg.getcaps_req.flags = BT_FLAG_AUTOCONNECT;
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e = bt_audioservice_send(u->audioservice_fd, &msg.getcaps_req.h);
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if (e < 0) {
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pa_log_error("failed to send GETCAPABILITIES_REQ");
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pa_log_error("Failed to send GETCAPABILITIES_REQ");
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return e;
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}
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e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp_hdr.msg_h, BT_GETCAPABILITIES_RSP);
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if (e < 0) {
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pa_log_error("failed to expect for GETCAPABILITIES_RSP");
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pa_log_error("Failed to expect for GETCAPABILITIES_RSP");
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return e;
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}
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if (msg.rsp_hdr.posix_errno != 0) {
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@ -320,11 +317,11 @@ static int bt_a2dp_init(struct userdata *u) {
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else if (cap->allocation_method & BT_A2DP_ALLOCATION_SNR)
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cap->allocation_method = BT_A2DP_ALLOCATION_SNR;
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min_bitpool = PA_MAX(MIN_BITPOOL, cap->min_bitpool);
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max_bitpool = PA_MIN(default_bitpool(cap->frequency, cap->channel_mode), cap->max_bitpool);
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min_bitpool = (uint8_t) PA_MAX(MIN_BITPOOL, cap->min_bitpool);
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max_bitpool = (uint8_t) PA_MIN(default_bitpool(cap->frequency, cap->channel_mode), cap->max_bitpool);
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cap->min_bitpool = min_bitpool;
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cap->max_bitpool = max_bitpool;
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cap->min_bitpool = (uint8_t) min_bitpool;
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cap->max_bitpool = (uint8_t) max_bitpool;
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return 0;
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}
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@ -362,7 +359,7 @@ static void bt_a2dp_setup(struct bt_a2dp *a2dp) {
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if (active_capabilities.channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
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a2dp->sbc.mode = SBC_MODE_JOINT_STEREO;
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a2dp->sbc.allocation = (active_capabilities.allocation_method == BT_A2DP_ALLOCATION_SNR ? SBC_AM_SNR : SBC_AM_LOUDNESS);
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a2dp->sbc.allocation = (uint8_t) (active_capabilities.allocation_method == BT_A2DP_ALLOCATION_SNR ? SBC_AM_SNR : SBC_AM_LOUDNESS);
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switch (active_capabilities.subbands) {
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case BT_A2DP_SUBBANDS_4:
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@ -389,7 +386,7 @@ static void bt_a2dp_setup(struct bt_a2dp *a2dp) {
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}
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a2dp->sbc.bitpool = active_capabilities.max_bitpool;
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a2dp->codesize = sbc_get_codesize(&a2dp->sbc);
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a2dp->codesize = (uint16_t) sbc_get_codesize(&a2dp->sbc);
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a2dp->count = sizeof(struct rtp_header) + sizeof(struct rtp_payload);
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}
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@ -423,13 +420,13 @@ static int bt_setconf(struct userdata *u) {
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e = bt_audioservice_send(u->audioservice_fd, &msg.setconf_req.h);
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if (e < 0) {
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pa_log_error("failed to send BT_SETCONFIGURATION_REQ");
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pa_log_error("Failed to send BT_SETCONFIGURATION_REQ");
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return e;
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}
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e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp_hdr.msg_h, BT_SETCONFIGURATION_RSP);
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if (e < 0) {
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pa_log_error("failed to expect BT_SETCONFIGURATION_RSP");
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pa_log_error("Failed to expect BT_SETCONFIGURATION_RSP");
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return e;
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}
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@ -470,13 +467,13 @@ static int bt_getstreamfd(struct userdata *u) {
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e = bt_audioservice_send(u->audioservice_fd, &msg.start_req.h);
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if (e < 0) {
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pa_log_error("failed to send BT_STREAMSTART_REQ");
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pa_log_error("Failed to send BT_STREAMSTART_REQ");
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return e;
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}
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e = bt_audioservice_expect(u->audioservice_fd, &msg.rsp_hdr.msg_h, BT_STREAMSTART_RSP);
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if (e < 0) {
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pa_log_error("failed to expect BT_STREAMSTART_RSP");
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pa_log_error("Failed to expect BT_STREAMSTART_RSP");
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return e;
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}
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@ -487,7 +484,7 @@ static int bt_getstreamfd(struct userdata *u) {
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e = bt_audioservice_expect(u->audioservice_fd, &msg.streamfd_ind.h, BT_STREAMFD_IND);
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if (e < 0) {
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pa_log_error("failed to expect BT_STREAMFD_IND");
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pa_log_error("Failed to expect BT_STREAMFD_IND");
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return e;
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}
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@ -496,13 +493,13 @@ static int bt_getstreamfd(struct userdata *u) {
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u->stream_fd = bt_audio_service_get_data_fd(u->audioservice_fd);
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if (u->stream_fd < 0) {
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pa_log_error("failed to get data fd: %s (%d)",pa_cstrerror(errno), errno);
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pa_log_error("Failed to get data fd: %s (%d)",pa_cstrerror(errno), errno);
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return -errno;
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}
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if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
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if (pa_socket_set_sndbuf(u->stream_fd, 10*u->link_mtu) < 0) {
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pa_log_error("failed to set socket options for A2DP: %s (%d)",pa_cstrerror(errno), errno);
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if (pa_socket_set_sndbuf(u->stream_fd, 10U*u->link_mtu) < 0) {
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pa_log_error("Failed to set socket options for A2DP: %s (%d)",pa_cstrerror(errno), errno);
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return -errno;
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}
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}
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@ -543,9 +540,9 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
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case PA_SINK_MESSAGE_GET_LATENCY: {
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pa_usec_t w, r;
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r = pa_smoother_get(u->smoother, pa_rtclock_usec());
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w = pa_bytes_to_usec(u->offset + u->memchunk.length, &u->sink->sample_spec);
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*((pa_usec_t*) data) = w > r ? w - r : 0;
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/* r = pa_smoother_get(u->smoother, pa_rtclock_usec()); */
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/* /\* w = pa_bytes_to_usec(u->offset + (uint64_t) u->memchunk.length, &u->sink->sample_spec); *\/ */
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*((pa_usec_t*) data) = /*w > r ? w - r :*/ 0;
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return 0;
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}
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@ -556,56 +553,46 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
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static int sco_process_render(struct userdata *u) {
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void *p;
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ssize_t l;
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int write_type = 0;
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int ret = 0;
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pa_memchunk memchunk;
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u->memchunk.memblock = pa_memblock_new(u->mempool, u->block_size);
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pa_log_debug("memblock asked size %d", u->block_size);
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u->memchunk.length = pa_memblock_get_length(u->memchunk.memblock);
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pa_log_debug("memchunk length %d", u->memchunk.length);
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pa_sink_render_into_full(u->sink, &u->memchunk);
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pa_sink_render_full(u->sink, u->block_size, &memchunk);
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pa_assert(u->memchunk.length > 0);
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p = pa_memblock_acquire(memchunk.memblock);
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p = pa_memblock_acquire(u->memchunk.memblock);
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for (;;) {
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ssize_t l;
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sco_write:
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l = pa_write(u->stream_fd, (uint8_t*) p, u->memchunk.length, &write_type);
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pa_log_debug("memblock written to socket: %d bytes", l);
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l = pa_loop_write(u->stream_fd, (uint8_t*) p, memchunk.length, NULL);
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pa_log_debug("Memblock written to socket: %li bytes", (long) l);
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pa_assert(l != 0);
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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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if (l > 0) {
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u->offset += (uint64_t) l;
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break;
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}
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if (errno == EINTR)
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pa_log_debug("EINTR");
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goto sco_write;
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}
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else if (errno == EAGAIN) {
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else if (errno == EAGAIN)
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pa_log_debug("EAGAIN");
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goto sco_write;
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}
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else {
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pa_memblock_release(u->memchunk.memblock);
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pa_memblock_unref(u->memchunk.memblock);
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pa_memchunk_reset(&u->memchunk);
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pa_log_debug("memchunk reseted");
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pa_log_error("Failed to write data to FIFO: %s", pa_cstrerror(errno));
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return -1;
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ret = -1;
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break;
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}
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} else {
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pa_memblock_release(u->memchunk.memblock);
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pa_memblock_unref(u->memchunk.memblock);
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pa_memchunk_reset(&u->memchunk);
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pa_log_debug("memchunk reseted");
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u->offset += l;
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return 0;
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}
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pa_memblock_release(memchunk.memblock);
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pa_memblock_unref(memchunk.memblock);
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return ret;
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}
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static int a2dp_process_render(struct userdata *u) {
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ssize_t l;
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uint8_t write_type = 0;
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uint16_t written;
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int written;
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struct bt_a2dp *a2dp = &u->a2dp;
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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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@ -614,39 +601,35 @@ static int a2dp_process_render(struct userdata *u) {
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do {
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/* Render some data */
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uint16_t frame_size;
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uint16_t encoded;
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int frame_size, encoded;
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void *p;
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pa_memchunk memchunk;
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u->memchunk.memblock = pa_memblock_new(u->mempool, u->block_size);
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pa_log_debug("memblock asked size %d", u->block_size);
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u->memchunk.length = pa_memblock_get_length(u->memchunk.memblock);
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pa_log_debug("memchunk length %d", u->memchunk.length);
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pa_sink_render_into_full(u->sink, &u->memchunk);
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pa_sink_render_full(u->sink, u->block_size, &memchunk);
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pa_assert(u->memchunk.length > 0);
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p = pa_memblock_acquire(memchunk.memblock);
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p = pa_memblock_acquire(u->memchunk.memblock);
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frame_size = sbc_get_frame_length(&a2dp->sbc);
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frame_size = (uint16_t) sbc_get_frame_length(&a2dp->sbc);
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pa_log_debug("SBC 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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encoded = sbc_encode(&a2dp->sbc, p, (int) a2dp->codesize, a2dp->buffer + a2dp->count,
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(int) (sizeof(a2dp->buffer) - a2dp->count), &written);
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pa_log_debug("SBC: encoded: %d; written: %d", encoded, written);
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pa_memblock_release(memchunk.memblock);
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pa_memblock_unref(memchunk.memblock);
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if (encoded <= 0) {
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pa_log_error("SBC encoding error (%d)", encoded);
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return -1;
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}
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pa_memblock_release(u->memchunk.memblock);
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pa_memblock_unref(u->memchunk.memblock);
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pa_memchunk_reset(&u->memchunk);
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pa_log_debug("memchunk reseted");
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a2dp->count += written;
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a2dp->count += (size_t) 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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} while (a2dp->count + written <= u->link_mtu);
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a2dp->samples += (unsigned) encoded / frame_size;
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a2dp->total_samples += (unsigned) encoded / frame_size;
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} while (a2dp->count + (size_t) written <= u->link_mtu);
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/* write it to the fifo */
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memset(a2dp->buffer, 0, sizeof(*header) + sizeof(*payload));
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@ -654,24 +637,24 @@ static int a2dp_process_render(struct userdata *u) {
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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->timestamp = htonl(a2dp->total_samples);
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header->ssrc = htonl(1);
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avdtp_write:
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l = pa_write(u->stream_fd, a2dp->buffer, a2dp->count, &write_type);
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pa_log_debug("avdtp_write: requested %d bytes; written %d bytes", a2dp->count, l);
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for (;;) {
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ssize_t l;
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pa_assert(l != 0);
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l = pa_loop_write(u->stream_fd, a2dp->buffer, a2dp->count, NULL);
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pa_log_debug("avdtp_write: requested %lu bytes; written %li bytes", (unsigned long) a2dp->count, (long) l);
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|
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if (l < 0) {
|
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if (errno == EINTR) {
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pa_assert(l != 0);
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|
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if (l > 0)
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break;
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|
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if (errno == EINTR)
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pa_log_debug("EINTR");
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goto avdtp_write;
|
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}
|
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else if (errno == EAGAIN) {
|
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else if (errno == EAGAIN)
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pa_log_debug("EAGAIN");
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goto avdtp_write;
|
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}
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else {
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pa_log_error("Failed to write data to FIFO: %s", pa_cstrerror(errno));
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return -1;
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|
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@ -696,6 +679,9 @@ static void thread_func(void *userdata) {
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pa_log_debug("IO Thread starting up");
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if (u->core->realtime_scheduling)
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pa_make_realtime(u->core->realtime_priority);
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|
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pa_thread_mq_install(&u->thread_mq);
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pa_rtpoll_install(u->rtpoll);
|
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|
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|
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@ -707,11 +693,9 @@ static void thread_func(void *userdata) {
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uint64_t n;
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pa_usec_t usec;
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|
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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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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_sink_process_rewind(u->sink, 0);
|
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}
|
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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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|
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|
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@ -719,8 +703,7 @@ static void thread_func(void *userdata) {
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if (u->transport == BT_CAPABILITIES_TRANSPORT_A2DP) {
|
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if ((l = a2dp_process_render(u)) < 0)
|
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goto fail;
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}
|
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else {
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} else {
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if ((l = sco_process_render(u)) < 0)
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goto fail;
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||||
}
|
||||
|
|
@ -729,7 +712,7 @@ static void thread_func(void *userdata) {
|
|||
/* feed the time smoother */
|
||||
n = u->offset;
|
||||
if (ioctl(u->stream_fd, SIOCOUTQ, &l) >= 0 && l > 0)
|
||||
n -= l;
|
||||
n -= (uint64_t) l;
|
||||
usec = pa_bytes_to_usec(n, &u->sink->sample_spec);
|
||||
if (usec > u->latency)
|
||||
usec -= u->latency;
|
||||
|
|
@ -740,7 +723,7 @@ static void thread_func(void *userdata) {
|
|||
|
||||
/* Hmm, nothing to do. Let's sleep */
|
||||
pa_log_debug("IO thread going to sleep");
|
||||
pollfd->events = PA_SINK_IS_OPENED(u->sink->thread_info.state) ? POLLOUT : 0;
|
||||
pollfd->events = (short) (PA_SINK_IS_OPENED(u->sink->thread_info.state) ? POLLOUT : 0);
|
||||
if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0) {
|
||||
pa_log_error("rtpoll_run < 0");
|
||||
goto fail;
|
||||
|
|
@ -783,13 +766,11 @@ int pa__init(pa_module* m) {
|
|||
u->core = m->core;
|
||||
u->audioservice_fd = -1;
|
||||
u->stream_fd = -1;
|
||||
u->transport = -1;
|
||||
u->transport = (uint8_t) -1;
|
||||
u->offset = 0;
|
||||
u->latency = 0;
|
||||
u->a2dp.sbc_initialized = FALSE;
|
||||
u->smoother = pa_smoother_new(PA_USEC_PER_SEC, PA_USEC_PER_SEC*2, TRUE, 10);
|
||||
u->mempool = pa_mempool_new(FALSE);
|
||||
pa_memchunk_reset(&u->memchunk);
|
||||
u->rtpoll = pa_rtpoll_new();
|
||||
pa_thread_mq_init(&u->thread_mq, u->core->mainloop, u->rtpoll);
|
||||
u->rtpoll_item = NULL;
|
||||
|
|
@ -826,34 +807,34 @@ int pa__init(pa_module* m) {
|
|||
/* connect to the bluez audio service */
|
||||
u->audioservice_fd = bt_audio_service_open();
|
||||
if (u->audioservice_fd <= 0) {
|
||||
pa_log_error("couldn't connect to bluetooth audio service");
|
||||
pa_log_error("Couldn't connect to bluetooth audio service");
|
||||
goto fail;
|
||||
}
|
||||
pa_log_debug("connected to the bluetooth audio service");
|
||||
pa_log_debug("Connected to the bluetooth audio service");
|
||||
|
||||
/* queries device capabilities */
|
||||
e = bt_getcaps(u);
|
||||
if (e < 0) {
|
||||
pa_log_error("failed to get device capabilities");
|
||||
pa_log_error("Failed to get device capabilities");
|
||||
goto fail;
|
||||
}
|
||||
pa_log_debug("got device capabilities");
|
||||
pa_log_debug("Got device capabilities");
|
||||
|
||||
/* configures the connection */
|
||||
e = bt_setconf(u);
|
||||
if (e < 0) {
|
||||
pa_log_error("failed to set config");
|
||||
pa_log_error("Failed to set config");
|
||||
goto fail;
|
||||
}
|
||||
pa_log_debug("connection to the device configured");
|
||||
pa_log_debug("Connection to the device configured");
|
||||
|
||||
/* gets the device socket */
|
||||
e = bt_getstreamfd(u);
|
||||
if (e < 0) {
|
||||
pa_log_error("failed to get stream fd (%d)", e);
|
||||
pa_log_error("Failed to get stream fd (%d)", e);
|
||||
goto fail;
|
||||
}
|
||||
pa_log_debug("got the device socket");
|
||||
pa_log_debug("Got the device socket");
|
||||
|
||||
/* create sink */
|
||||
pa_sink_new_data_init(&data);
|
||||
|
|
@ -863,17 +844,17 @@ int pa__init(pa_module* m) {
|
|||
pa_sink_new_data_set_sample_spec(&data, &u->ss);
|
||||
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->name);
|
||||
pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Bluetooth %s '%s' (%s)", u->strtransport, u->name, u->addr);
|
||||
pa_proplist_setf(data.proplist, "bluetooth.protocol", u->profile);
|
||||
pa_proplist_sets(data.proplist, "bluetooth.protocol", u->profile);
|
||||
pa_proplist_setf(data.proplist, PA_PROP_DEVICE_API, "bluez");
|
||||
pa_proplist_setf(data.proplist, PA_PROP_DEVICE_CLASS, "sound");
|
||||
pa_proplist_setf(data.proplist, PA_PROP_DEVICE_CONNECTOR, "bluetooth");
|
||||
pa_proplist_setf(data.proplist, PA_PROP_DEVICE_FORM_FACTOR, "headset"); /*FIXME*/
|
||||
pa_proplist_setf(data.proplist, PA_PROP_DEVICE_VENDOR_PRODUCT_ID, "product_id"); /*FIXME*/
|
||||
pa_proplist_setf(data.proplist, PA_PROP_DEVICE_SERIAL, "serial"); /*FIXME*/
|
||||
/* pa_proplist_setf(data.proplist, PA_PROP_DEVICE_FORM_FACTOR, "headset"); /\*FIXME*\/ */
|
||||
/* pa_proplist_setf(data.proplist, PA_PROP_DEVICE_VENDOR_PRODUCT_ID, "product_id"); /\*FIXME*\/ */
|
||||
/* pa_proplist_setf(data.proplist, PA_PROP_DEVICE_SERIAL, "serial"); /\*FIXME*\/ */
|
||||
u->sink = pa_sink_new(m->core, &data, PA_SINK_HARDWARE|PA_SINK_LATENCY);
|
||||
pa_sink_new_data_done(&data);
|
||||
if (!u->sink) {
|
||||
pa_log_error("failed to create sink");
|
||||
pa_log_error("Failed to create sink");
|
||||
goto fail;
|
||||
}
|
||||
u->sink->userdata = u;
|
||||
|
|
@ -888,7 +869,7 @@ int pa__init(pa_module* m) {
|
|||
|
||||
/* start rt thread */
|
||||
if (!(u->thread = pa_thread_new(thread_func, u))) {
|
||||
pa_log_error("failed to create IO thread");
|
||||
pa_log_error("Failed to create IO thread");
|
||||
goto fail;
|
||||
}
|
||||
pa_sink_put(u->sink);
|
||||
|
|
@ -899,6 +880,7 @@ int pa__init(pa_module* m) {
|
|||
fail:
|
||||
if (ma)
|
||||
pa_modargs_free(ma);
|
||||
|
||||
pa__done(m);
|
||||
return -1;
|
||||
}
|
||||
|
|
@ -918,34 +900,24 @@ void pa__done(pa_module *m) {
|
|||
pa_thread_free(u->thread);
|
||||
}
|
||||
|
||||
pa_thread_mq_done(&u->thread_mq);
|
||||
|
||||
if (u->sink)
|
||||
pa_sink_unref(u->sink);
|
||||
|
||||
pa_thread_mq_done(&u->thread_mq);
|
||||
|
||||
if (u->rtpoll_item)
|
||||
pa_rtpoll_item_free(u->rtpoll_item);
|
||||
|
||||
if (u->rtpoll)
|
||||
pa_rtpoll_free(u->rtpoll);
|
||||
|
||||
if (u->memchunk.memblock)
|
||||
pa_memblock_unref(u->memchunk.memblock);
|
||||
|
||||
if (u->mempool)
|
||||
pa_mempool_free(u->mempool);
|
||||
|
||||
if (u->smoother)
|
||||
pa_smoother_free(u->smoother);
|
||||
|
||||
if (u->name)
|
||||
pa_xfree(u->name);
|
||||
|
||||
if (u->addr)
|
||||
pa_xfree(u->addr);
|
||||
|
||||
if (u->profile)
|
||||
pa_xfree(u->profile);
|
||||
pa_xfree(u->name);
|
||||
pa_xfree(u->addr);
|
||||
pa_xfree(u->profile);
|
||||
pa_xfree(u->strtransport);
|
||||
|
||||
if (u->stream_fd >= 0)
|
||||
pa_close(u->stream_fd);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue