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output/jack: merge set_audioformat() into Open()

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This commit is contained in:
Max Kellermann 2019-08-05 09:28:41 +02:00
parent 2fc40e5575
commit 2892a6f5e2
1 changed files with 11 additions and 17 deletions
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28
src/output/plugins/JackOutputPlugin.cxx
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@ -368,22 +368,6 @@ mpd_jack_shutdown(jack_status_t, const char *reason, void *arg)
reason)));
}
static void
set_audioformat(JackOutput *jd, AudioFormat &audio_format)
{
audio_format.sample_rate = jack_get_sample_rate(jd->client);
if (jd->num_source_ports == 1)
audio_format.channels = 1;
else if (audio_format.channels > jd->num_source_ports)
audio_format.channels = 2;
/* JACK uses 32 bit float in the range [-1 .. 1] - just like
MPD's SampleFormat::FLOAT*/
static_assert(jack_sample_size == sizeof(float), "Expected float32");
audio_format.format = SampleFormat::FLOAT;
}
static void
mpd_jack_error(const char *msg)
{
@ -614,7 +598,17 @@ JackOutput::Open(AudioFormat &new_audio_format)
if (client == nullptr)
Connect();
set_audioformat(this, new_audio_format);
new_audio_format.sample_rate = jack_get_sample_rate(client);
if (num_source_ports == 1)
new_audio_format.channels = 1;
else if (new_audio_format.channels > num_source_ports)
new_audio_format.channels = 2;
/* JACK uses 32 bit float in the range [-1 .. 1] - just like
MPD's SampleFormat::FLOAT*/
static_assert(jack_sample_size == sizeof(float), "Expected float32");
new_audio_format.format = SampleFormat::FLOAT;
audio_format = new_audio_format;
Start();