mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-04 13:29:59 -05:00
call snd_pcm_hwsync() expclicitly before we access any of the status fields, since this seems to be necessary. try to find the right mixer device via the card index
git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2221 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering
parent
c84a64cf32
commit
b3b8a63c50
2 changed files with 152 additions and 87 deletions
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@ -74,7 +74,7 @@ PA_MODULE_USAGE(
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#define DEFAULT_DEVICE "default"
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#define DEFAULT_TSCHED_BUFFER_USEC (2*PA_USEC_PER_SEC)
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#define DEFAULT_TSCHED_WATERMARK_USEC (100*PA_USEC_PER_MSEC)
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#define DEFAULT_TSCHED_WATERMARK_USEC (10*PA_USEC_PER_MSEC)
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struct userdata {
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pa_core *core;
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@ -145,6 +145,8 @@ static int mmap_write(struct userdata *u) {
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const snd_pcm_channel_area_t *areas;
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snd_pcm_uframes_t offset, frames;
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snd_pcm_hwsync(u->pcm_handle);
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/* First we determine how many samples are missing to fill the
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* buffer up to 100% */
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@ -152,20 +154,20 @@ static int mmap_write(struct userdata *u) {
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pa_log_debug("snd_pcm_avail_update: %s", snd_strerror(n));
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if (n == -EPIPE) {
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pa_log_debug("snd_pcm_avail_update: Buffer underrun!");
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u->first = TRUE;
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}
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if ((err = snd_pcm_recover(u->pcm_handle, n, 1)) == 0)
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continue;
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if (err == -EAGAIN) {
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pa_log_debug("EAGAIN");
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return work_done;
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}
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pa_log("snd_pcm_avail_update: %s", snd_strerror(err));
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if (n == -EPIPE)
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pa_log_debug("snd_pcm_avail_update: Buffer underrun!");
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if ((err = snd_pcm_recover(u->pcm_handle, n, 1)) == 0) {
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u->first = TRUE;
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continue;
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}
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pa_log("snd_pcm_recover: %s", snd_strerror(err));
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return -1;
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}
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@ -181,19 +183,19 @@ static int mmap_write(struct userdata *u) {
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pa_log_debug("snd_pcm_mmap_begin: %s", snd_strerror(err));
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if (err == -EPIPE) {
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pa_log_debug("snd_pcm_mmap_begin: Buffer underrun!");
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u->first = TRUE;
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}
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if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0)
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continue;
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if (err == -EAGAIN) {
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pa_log_debug("EAGAIN");
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return work_done;
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}
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if (err == -EPIPE)
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pa_log_debug("snd_pcm_mmap_begin: Buffer underrun!");
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if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0) {
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u->first = TRUE;
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continue;
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}
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pa_log("Failed to write data to DSP: %s", snd_strerror(err));
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return -1;
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}
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@ -222,19 +224,19 @@ static int mmap_write(struct userdata *u) {
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pa_log_debug("snd_pcm_mmap_commit: %s", snd_strerror(err));
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if (err == -EPIPE) {
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pa_log_debug("snd_pcm_mmap_commit: Buffer underrun!");
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u->first = TRUE;
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}
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if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0)
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continue;
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if (err == -EAGAIN) {
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pa_log_debug("EAGAIN");
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return work_done;
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}
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if (err == -EPIPE)
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pa_log_debug("snd_pcm_mmap_commit: Buffer underrun!");
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if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0) {
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u->first = TRUE;
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continue;
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}
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pa_log("Failed to write data to DSP: %s", snd_strerror(err));
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return -1;
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}
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@ -264,6 +266,8 @@ static int unix_write(struct userdata *u) {
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snd_pcm_sframes_t n, frames;
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int err;
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snd_pcm_hwsync(u->pcm_handle);
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if (PA_UNLIKELY((err = snd_pcm_status(u->pcm_handle, status)) < 0)) {
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pa_log("Failed to query DSP status data: %s", snd_strerror(err));
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return -1;
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@ -300,17 +304,19 @@ static int unix_write(struct userdata *u) {
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if (PA_UNLIKELY(frames < 0)) {
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if (frames == -EPIPE)
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pa_log_debug("snd_pcm_avail_update: Buffer underrun!");
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if ((frames = snd_pcm_recover(u->pcm_handle, frames, 1)) == 0)
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continue;
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if (frames == -EAGAIN) {
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pa_log_debug("EAGAIN");
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return work_done;
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}
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if (frames == -EPIPE)
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pa_log_debug("snd_pcm_avail_update: Buffer underrun!");
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if ((frames = snd_pcm_recover(u->pcm_handle, frames, 1)) == 0) {
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u->first = TRUE;
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continue;
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}
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pa_log("Failed to write data to DSP: %s", snd_strerror(frames));
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return -1;
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}
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@ -332,7 +338,7 @@ static int unix_write(struct userdata *u) {
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}
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}
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static int update_smoother(struct userdata *u) {
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static void update_smoother(struct userdata *u) {
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snd_pcm_sframes_t delay = 0;
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int64_t frames;
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int err;
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@ -343,11 +349,12 @@ static int update_smoother(struct userdata *u) {
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/* Let's update the time smoother */
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snd_pcm_hwsync(u->pcm_handle);
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snd_pcm_avail_update(u->pcm_handle);
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if (PA_UNLIKELY((err = snd_pcm_delay(u->pcm_handle, &delay)) < 0)) {
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pa_log("Failed to get delay: %s", snd_strerror(err));
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return -1;
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pa_log_warn("Failed to get delay: %s", snd_strerror(err));
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return;
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}
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frames = u->frame_index - delay;
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@ -357,8 +364,6 @@ static int update_smoother(struct userdata *u) {
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now1 = pa_rtclock_usec();
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now2 = pa_bytes_to_usec(frames * u->frame_size, &u->sink->sample_spec);
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pa_smoother_put(u->smoother, now1, now2);
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return 0;
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}
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static pa_usec_t sink_get_latency(struct userdata *u) {
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@ -814,6 +819,7 @@ static void thread_func(void *userdata) {
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frames = u->sink->thread_info.rewind_nbytes / u->frame_size;
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snd_pcm_hwsync(u->pcm_handle);
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if ((unused = snd_pcm_avail_update(u->pcm_handle)) < 0) {
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pa_log("snd_pcm_avail_update() failed: %s", snd_strerror(unused));
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goto fail;
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@ -867,12 +873,11 @@ static void thread_func(void *userdata) {
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pa_smoother_resume(u->smoother, pa_rtclock_usec());
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}
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if (update_smoother(u) < 0)
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goto fail;
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update_smoother(u);
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}
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if (u->use_tsched) {
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pa_usec_t usec, cusec, sleep_usec;
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pa_usec_t usec, cusec;
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/* OK, the playback buffer is now full, let's
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* calculate when to wake up next */
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@ -887,19 +892,14 @@ static void thread_func(void *userdata) {
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pa_log_debug("Waking up in %0.2fms (system clock).", (double) cusec / PA_USEC_PER_MSEC);
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sleep_usec = PA_MIN(usec, cusec);
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pa_log_debug("Waking up in %0.2fms (smaller value).", (double) sleep_usec / PA_USEC_PER_MSEC);
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/* We don't trust the conversion, so we wake up whatever comes first */
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pa_rtpoll_set_timer_relative(u->rtpoll, sleep_usec);
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pa_rtpoll_set_timer_relative(u->rtpoll, PA_MIN(usec, cusec));
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}
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} else if (u->use_tsched) {
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} else if (u->use_tsched)
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/* OK, we're in an invalid state, let's disable our timers */
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pa_rtpoll_set_timer_disabled(u->rtpoll);
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}
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/* Hmm, nothing to do. Let's sleep */
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if ((ret = pa_rtpoll_run(u->rtpoll, 1)) < 0)
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@ -923,6 +923,7 @@ static void thread_func(void *userdata) {
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}
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if (revents & (POLLERR|POLLNVAL|POLLHUP)) {
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snd_pcm_state_t state;
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if (revents & POLLERR)
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pa_log_warn("Got POLLERR from ALSA");
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@ -931,9 +932,12 @@ static void thread_func(void *userdata) {
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if (revents & POLLHUP)
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pa_log_warn("Got POLLHUP from ALSA");
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state = snd_pcm_state(u->pcm_handle);
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pa_log_warn("PCM state is %s", snd_pcm_state_name(state));
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/* Try to recover from this error */
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switch (snd_pcm_state(u->pcm_handle)) {
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switch (state) {
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case SND_PCM_STATE_XRUN:
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if ((err = snd_pcm_recover(u->pcm_handle, -EPIPE, 1)) != 0) {
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@ -959,6 +963,8 @@ static void thread_func(void *userdata) {
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}
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break;
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}
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u->first = TRUE;
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}
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pa_log_debug("alsa revents = %i", revents);
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@ -1132,14 +1138,25 @@ int pa__init(pa_module*m) {
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if (pa_alsa_prepare_mixer(u->mixer_handle, u->device_name) >= 0)
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found = TRUE;
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else if (dev_id) {
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char *md = pa_sprintf_malloc("hw:%s", dev_id);
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else {
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snd_pcm_info_t *info;
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if (strcmp(u->device_name, md))
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if (pa_alsa_prepare_mixer(u->mixer_handle, md) >= 0)
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found = TRUE;
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snd_pcm_info_alloca(&info);
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pa_xfree(md);
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if (snd_pcm_info(u->pcm_handle, info) >= 0) {
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char *md;
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int card;
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if ((card = snd_pcm_info_get_card(info)) >= 0) {
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md = pa_sprintf_malloc("hw:%i", card);
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if (strcmp(u->device_name, md))
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if (pa_alsa_prepare_mixer(u->mixer_handle, md) >= 0)
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found = TRUE;
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pa_xfree(md);
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}
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}
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}
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if (found)
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@ -1304,6 +1321,8 @@ int pa__init(pa_module*m) {
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} else
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u->mixer_fdl = NULL;
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pa_alsa_dump(u->pcm_handle);
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if (!(u->thread = pa_thread_new(thread_func, u))) {
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pa_log("Failed to create thread.");
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goto fail;
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@ -141,18 +141,26 @@ static int mmap_read(struct userdata *u) {
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pa_memchunk chunk;
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void *p;
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snd_pcm_hwsync(u->pcm_handle);
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if (PA_UNLIKELY((n = snd_pcm_avail_update(u->pcm_handle)) < 0)) {
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pa_log_debug("snd_pcm_avail_update: %s", snd_strerror(n));
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if (err == -EAGAIN) {
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pa_log_debug("EAGAIN");
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return work_done;
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}
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if (n == -EPIPE)
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pa_log_debug("snd_pcm_avail_update: Buffer underrun!");
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if ((err = snd_pcm_recover(u->pcm_handle, n, 1)) == 0)
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if ((err = snd_pcm_recover(u->pcm_handle, n, 1)) == 0) {
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snd_pcm_start(u->pcm_handle);
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continue;
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}
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if (err == -EAGAIN)
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return work_done;
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pa_log("snd_pcm_avail_update: %s", snd_strerror(err));
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pa_log("snd_pcm_recover: %s", snd_strerror(err));
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return -1;
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}
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@ -163,14 +171,20 @@ static int mmap_read(struct userdata *u) {
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if (PA_UNLIKELY((err = snd_pcm_mmap_begin(u->pcm_handle, &areas, &offset, &frames)) < 0)) {
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pa_log_debug("snd_pcm_mmap_begin: %s", snd_strerror(err));
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if (err == -EAGAIN) {
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pa_log_debug("EAGAIN");
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return work_done;
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}
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if (err == -EPIPE)
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pa_log_debug("snd_pcm_mmap_begin: Buffer underrun!");
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if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0)
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if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0) {
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snd_pcm_start(u->pcm_handle);
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continue;
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if (err == -EAGAIN)
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return work_done;
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}
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pa_log("Failed to write data to DSP: %s", snd_strerror(err));
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return -1;
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@ -198,14 +212,20 @@ static int mmap_read(struct userdata *u) {
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if (PA_UNLIKELY((err = snd_pcm_mmap_commit(u->pcm_handle, offset, frames)) < 0)) {
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pa_log_debug("snd_pcm_mmap_commit: %s", snd_strerror(err));
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if (err == -EAGAIN) {
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pa_log_debug("EAGAIN");
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return work_done;
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}
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if (err == -EPIPE)
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pa_log_debug("snd_pcm_mmap_commit: Buffer underrun!");
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if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0)
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if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0) {
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snd_pcm_start(u->pcm_handle);
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continue;
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if (err == -EAGAIN)
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return work_done;
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}
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pa_log("Failed to write data to DSP: %s", snd_strerror(err));
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return -1;
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@ -215,6 +235,8 @@ static int mmap_read(struct userdata *u) {
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u->frame_index += frames;
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pa_log_debug("read %llu frames", (unsigned long long) frames);
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if (PA_LIKELY(frames >= (snd_pcm_uframes_t) n))
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return work_done;
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}
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@ -235,6 +257,8 @@ static int unix_read(struct userdata *u) {
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int err;
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pa_memchunk chunk;
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snd_pcm_hwsync(u->pcm_handle);
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if (PA_UNLIKELY((err = snd_pcm_status(u->pcm_handle, status)) < 0)) {
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pa_log("Failed to query DSP status data: %s", snd_strerror(err));
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return -1;
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@ -264,11 +288,17 @@ static int unix_read(struct userdata *u) {
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if (PA_UNLIKELY(frames < 0)) {
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pa_memblock_unref(chunk.memblock);
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if ((frames = snd_pcm_recover(u->pcm_handle, frames, 1)) == 0)
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continue;
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if (frames == -EAGAIN)
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if (frames == -EAGAIN) {
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pa_log_debug("EAGAIN");
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return work_done;
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}
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if (frames == -EPIPE)
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pa_log_debug("snd_pcm_avail_update: Buffer overrun!");
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if ((frames = snd_pcm_recover(u->pcm_handle, frames, 1)) == 0)
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snd_pcm_start(u->pcm_handle);
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continue;
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pa_log("Failed to read data from DSP: %s", snd_strerror(frames));
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return -1;
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@ -289,7 +319,7 @@ static int unix_read(struct userdata *u) {
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}
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}
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static int update_smoother(struct userdata *u) {
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static void update_smoother(struct userdata *u) {
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snd_pcm_sframes_t delay = 0;
|
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int64_t frames;
|
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int err;
|
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|
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@ -300,11 +330,12 @@ static int update_smoother(struct userdata *u) {
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/* Let's update the time smoother */
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snd_pcm_hwsync(u->pcm_handle);
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snd_pcm_avail_update(u->pcm_handle);
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|
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if (PA_UNLIKELY((err = snd_pcm_delay(u->pcm_handle, &delay)) < 0)) {
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pa_log("Failed to get delay: %s", snd_strerror(err));
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return -1;
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pa_log_warn("Failed to get delay: %s", snd_strerror(err));
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return;
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}
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frames = u->frame_index + delay;
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@ -312,8 +343,6 @@ static int update_smoother(struct userdata *u) {
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now1 = pa_rtclock_usec();
|
||||
now2 = pa_bytes_to_usec(frames * u->frame_size, &u->source->sample_spec);
|
||||
pa_smoother_put(u->smoother, now1, now2);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static pa_usec_t source_get_latency(struct userdata *u) {
|
||||
|
|
@ -728,8 +757,7 @@ static void thread_func(void *userdata) {
|
|||
}
|
||||
|
||||
if (work_done)
|
||||
if (update_smoother(u) < 0)
|
||||
goto fail;
|
||||
update_smoother(u);
|
||||
|
||||
if (u->use_tsched) {
|
||||
pa_usec_t usec, cusec;
|
||||
|
|
@ -750,11 +778,10 @@ static void thread_func(void *userdata) {
|
|||
/* We don't trust the conversion, so we wake up whatever comes first */
|
||||
pa_rtpoll_set_timer_relative(u->rtpoll, PA_MIN(usec, cusec));
|
||||
}
|
||||
} else if (u->use_tsched) {
|
||||
} else if (u->use_tsched)
|
||||
|
||||
/* OK, we're in an invalid state, let's disable our timers */
|
||||
pa_rtpoll_set_timer_disabled(u->rtpoll);
|
||||
}
|
||||
|
||||
/* Hmm, nothing to do. Let's sleep */
|
||||
if ((ret = pa_rtpoll_run(u->rtpoll, 1)) < 0)
|
||||
|
|
@ -778,6 +805,7 @@ static void thread_func(void *userdata) {
|
|||
}
|
||||
|
||||
if (revents & (POLLERR|POLLNVAL|POLLHUP)) {
|
||||
snd_pcm_state_t state;
|
||||
|
||||
if (revents & POLLERR)
|
||||
pa_log_warn("Got POLLERR from ALSA");
|
||||
|
|
@ -786,9 +814,12 @@ static void thread_func(void *userdata) {
|
|||
if (revents & POLLHUP)
|
||||
pa_log_warn("Got POLLHUP from ALSA");
|
||||
|
||||
state = snd_pcm_state(u->pcm_handle);
|
||||
pa_log_warn("PCM state is %s", snd_pcm_state_name(state));
|
||||
|
||||
/* Try to recover from this error */
|
||||
|
||||
switch (snd_pcm_state(u->pcm_handle)) {
|
||||
switch (state) {
|
||||
|
||||
case SND_PCM_STATE_XRUN:
|
||||
if ((err = snd_pcm_recover(u->pcm_handle, -EPIPE, 1)) != 0) {
|
||||
|
|
@ -814,6 +845,8 @@ static void thread_func(void *userdata) {
|
|||
}
|
||||
break;
|
||||
}
|
||||
|
||||
snd_pcm_start(u->pcm_handle);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -979,14 +1012,25 @@ int pa__init(pa_module*m) {
|
|||
|
||||
if (pa_alsa_prepare_mixer(u->mixer_handle, u->device_name) >= 0)
|
||||
found = TRUE;
|
||||
else if (dev_id) {
|
||||
char *md = pa_sprintf_malloc("hw:%s", dev_id);
|
||||
else {
|
||||
snd_pcm_info_t* info;
|
||||
|
||||
if (strcmp(u->device_name, md))
|
||||
if (pa_alsa_prepare_mixer(u->mixer_handle, md) >= 0)
|
||||
found = TRUE;
|
||||
snd_pcm_info_alloca(&info);
|
||||
|
||||
pa_xfree(md);
|
||||
if (snd_pcm_info(u->pcm_handle, info) >= 0) {
|
||||
char *md;
|
||||
int card;
|
||||
|
||||
if ((card = snd_pcm_info_get_card(info)) >= 0) {
|
||||
|
||||
md = pa_sprintf_malloc("hw:%i", card);
|
||||
|
||||
if (strcmp(u->device_name, md))
|
||||
if (pa_alsa_prepare_mixer(u->mixer_handle, md) >= 0)
|
||||
found = TRUE;
|
||||
pa_xfree(md);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (found)
|
||||
|
|
@ -1138,6 +1182,8 @@ int pa__init(pa_module*m) {
|
|||
} else
|
||||
u->mixer_fdl = NULL;
|
||||
|
||||
pa_alsa_dump(u->pcm_handle);
|
||||
|
||||
if (!(u->thread = pa_thread_new(thread_func, u))) {
|
||||
pa_log("Failed to create thread.");
|
||||
goto fail;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue