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Log average latency in pulse input 

This adds another statistics counter to the pulse plugin in order
to print the average latency reported by pulse when the source is
destroyed.
master
fryshorts 2014-09-02 19:35:17 +02:00
parent 164c2e01b9
commit 2fca3b38e8
1 changed files with 7 additions and 0 deletions
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7
plugins/linux-pulseaudio/pulse-input.c
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@ -41,6 +41,7 @@ struct pulse_data {
/* statistics */
uint_fast32_t packets;
uint_fast64_t frames;
double latency;
};
static void pulse_stop_recording(struct pulse_data *data);
@ -150,6 +151,7 @@ static void pulse_stream_read(pa_stream *p, size_t nbytes, void *userdata)
data->packets++;
data->frames += out.frames;
data->latency += latency;
pa_stream_drop(data->stream);
exit:
@ -278,11 +280,16 @@ static void pulse_stop_recording(struct pulse_data *data)
pulse_unlock();
}
data->latency /= (double) data->packets * 1000.0;
blog(LOG_INFO, "Stopped recording from '%s'", data->device);
blog(LOG_INFO, "Got %"PRIuFAST32" packets with %"PRIuFAST64" frames",
data->packets, data->frames);
blog(LOG_INFO, "Average latency: %.2f msec", data->latency);
data->packets = 0;
data->frames = 0;
data->latency = 0.0;
}
/**