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when alsa tweaks our sample_spec make sure we adjust the watermark accordingly

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This commit is contained in:
Lennart Poettering 2009-02-27 01:15:29 +01:00
parent 1c86267e1f
commit 798e39a5b6
2 changed files with 6 additions and 4 deletions
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5
src/modules/alsa/alsa-sink.c
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@ -1496,7 +1496,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
struct userdata *u = NULL;
const char *dev_id = NULL;
pa_sample_spec ss;
pa_sample_spec ss, requested_ss;
pa_channel_map map;
uint32_t nfrags, hwbuf_size, frag_size, tsched_size, tsched_watermark;
snd_pcm_uframes_t period_frames, tsched_frames;
@ -1515,6 +1515,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
goto fail;
}
requested_ss = ss;
frame_size = pa_frame_size(&ss);
nfrags = m->core->default_n_fragments;
@ -1686,7 +1687,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
u->fragment_size = frag_size = (uint32_t) (period_frames * frame_size);
u->nfragments = nfrags;
u->hwbuf_size = u->fragment_size * nfrags;
u->tsched_watermark = tsched_watermark;
u->tsched_watermark = pa_usec_to_bytes_round_up(pa_bytes_to_usec_round_up(tsched_watermark, &requested_ss), &u->sink->sample_spec);
pa_cvolume_mute(&u->hardware_volume, u->sink->sample_spec.channels);
if (use_tsched) {

5
src/modules/alsa/alsa-source.c
View file

@ -1344,7 +1344,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
struct userdata *u = NULL;
const char *dev_id = NULL;
pa_sample_spec ss;
pa_sample_spec ss, requested_ss;
pa_channel_map map;
uint32_t nfrags, hwbuf_size, frag_size, tsched_size, tsched_watermark;
snd_pcm_uframes_t period_frames, tsched_frames;
@ -1362,6 +1362,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
goto fail;
}
requested_ss = ss;
frame_size = pa_frame_size(&ss);
nfrags = m->core->default_n_fragments;
@ -1528,7 +1529,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
u->fragment_size = frag_size = (uint32_t) (period_frames * frame_size);
u->nfragments = nfrags;
u->hwbuf_size = u->fragment_size * nfrags;
u->tsched_watermark = tsched_watermark;
u->tsched_watermark = pa_usec_to_bytes_round_up(pa_bytes_to_usec_round_up(tsched_watermark, &requested_ss), &u->source->sample_spec);
pa_cvolume_mute(&u->hardware_volume, u->source->sample_spec.channels);
if (use_tsched) {