os: add sporadic sound test

This scripts starts two Audio_out session clients. These clients
access the soundcard via the mixer. The first client simply streams
a sample file in a loop while the second client generates a click
sound when any key is pressed.

Issue #1666.
This commit is contained in:
Josef Söntgen 2015-05-08 16:51:18 +02:00 committed by Christian Helmuth
parent a9569eb41e
commit 7898113f99
4 changed files with 296 additions and 0 deletions

View File

@ -0,0 +1,119 @@
assert_spec x86
#
# Build
#
set build_components {
core init
drivers/timer
drivers/audio
drivers/input
server/mixer
test/audio_out
test/audio_out_click
}
source ${genode_dir}/repos/base/run/platform_drv.inc
append_platform_drv_build_components
build $build_components
create_boot_directory
#
# Config
#
append config {
<config>
<parent-provides>
<service name="ROM"/>
<service name="RAM"/>
<service name="IRQ"/>
<service name="IO_MEM"/>
<service name="IO_PORT"/>
<service name="CAP"/>
<service name="PD"/>
<service name="RM"/>
<service name="CPU"/>
<service name="LOG"/>
<service name="SIGNAL" />
</parent-provides>
<default-route>
<any-service> <parent/> <any-child/> </any-service>
</default-route>
<start name="timer">
<resource name="RAM" quantum="1M"/>
<provides><service name="Timer"/></provides>
</start>}
append_platform_drv_config
append config {
<start name="mixer">
<resource name="RAM" quantum="2M"/>
<provides><service name="Audio_out"/></provides>
<route>
<service name="Audio_out"> <child name="audio_drv"/> </service>
<any-service> <parent/> <any-child/> </any-service>
</route>
</start>
<start name="ps2_drv">
<resource name="RAM" quantum="1M"/>
<provides><service name="Input"/></provides>
</start>
<start name="audio_drv">
<resource name="RAM" quantum="8M"/>
<provides>
<service name="Audio_out"/>
</provides>
</start>
<start name="test-audio_out">
<resource name="RAM" quantum="4M"/>
<config>
<filename>sample.raw</filename>
</config>
<route>
<service name="Audio_out"><child name="mixer"/></service>
<any-service><parent/><any-child/></any-service>
</route>
</start>
<start name="test-audio_out_click">
<resource name="RAM" quantum="4M"/>
<route>
<service name="Audio_out"><child name="mixer"/></service>
<any-service><parent/><any-child/></any-service>
</route>
</start>
</config>}
install_config $config
if {[expr ![file exists bin/sample.raw] || ![file exists bin/click.raw]]} {
puts ""
puts "The sample and/or click file is missing. Please take a look at"
puts "repos/dde_bsd/README, create 'sample.raw' and/or 'click.raw'"
puts "and put the file(s) into './bin'. afterwards"
puts ""
exit 1
}
#
# Boot modules
#
set boot_modules {
core init timer mixer ps2_drv audio_drv
test-audio_out test-audio_out_click
sample.raw click.raw }
# platform-specific modules
append_platform_drv_boot_modules
build_boot_image $boot_modules
append qemu_args " -m 128 -nographic -soundhw es1370 "
run_genode_until forever

View File

@ -0,0 +1,14 @@
test-audio_out sends one or more raw audio streams to the "Audio_out"
service. The raw data must comply the Audio_out standard format.
! <start>
! <filename>test-audio_out</filename>
! <ram_quota>1M</ram_qouta>
! <config>
! <filename>audio1.raw</filename>
! <filename>audio2.raw</filename>
! ...
! </config>
! </start>
Example configuration entry

View File

@ -0,0 +1,160 @@
/*
* \brief Audio-out test implementation
* \author Sebastian Sumpf
* \author Christian Helmuth
* \date 2009-12-03
*
* The test program plays several tracks simultaneously to the Audio_out
* service. See README for the configuration.
*/
/*
* Copyright (C) 2009-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#include <audio_out_session/connection.h>
#include <base/printf.h>
#include <base/sleep.h>
#include <dataspace/client.h>
#include <input_session/connection.h>
#include <input/event.h>
#include <os/config.h>
#include <rom_session/connection.h>
using namespace Genode;
using namespace Audio_out;
static const bool verbose = false;
enum {
CHANNELS = 2, /* number of channels */
FRAME_SIZE = sizeof(float),
PERIOD_CSIZE = FRAME_SIZE * PERIOD, /* size of channel packet (bytes) */
PERIOD_FSIZE = CHANNELS * PERIOD_CSIZE, /* size of period in file (bytes) */
};
static const char *channel_names[] = { "front left", "front right" };
class Click
{
private:
Audio_out::Connection *_audio_out[CHANNELS];
char const *_base;
Genode::size_t _size;
public:
Click(char const *file)
{
for (int i = 0; i < CHANNELS; ++i) {
/* allocation signal for first channel only */
_audio_out[i] = new (env()->heap())
Audio_out::Connection(channel_names[i], i == 0);
_audio_out[i]->start();
}
Dataspace_capability ds_cap;
try {
Rom_connection rom(file);
rom.on_destruction(Rom_connection::KEEP_OPEN);
ds_cap = rom.dataspace();
_base = env()->rm_session()->attach(ds_cap);
} catch (...) {
PDBG("Error: Could not open: %s", file);
return;
}
Dataspace_client ds_client(ds_cap);
_size = ds_client.size();
}
void play()
{
PLOG("play click");
for (int i = 0; i < CHANNELS; i++)
_audio_out[i]->stream()->reset();
for (Genode::size_t offset = 0; offset < _size; offset += PERIOD_FSIZE) {
/*
* The current chunk (in number of frames of one channel)
* is the size of the period except at the end of the
* file.
*/
size_t chunk = (offset + PERIOD_FSIZE > _size)
? (_size - offset) / CHANNELS / FRAME_SIZE
: PERIOD;
Packet *p[CHANNELS];
while (true)
try {
p[0] = _audio_out[0]->stream()->alloc();
break;
} catch (Audio_out::Stream::Alloc_failed) {
_audio_out[0]->wait_for_alloc();
}
unsigned pos = _audio_out[0]->stream()->packet_position(p[0]);
for (int chn = 1; chn < CHANNELS; ++chn)
p[chn] = _audio_out[chn]->stream()->get(pos);
/* copy channel contents into sessions */
float *content = (float *)(_base + offset);
for (unsigned c = 0; c < CHANNELS * chunk; c += CHANNELS)
for (int i = 0; i < CHANNELS; ++i)
p[i]->content()[c / 2] = content[c + i];
/* handle last packet gracefully */
if (chunk < PERIOD) {
for (int i = 0; i < CHANNELS; ++i)
memset(p[i]->content() + chunk,
0, PERIOD_CSIZE - FRAME_SIZE * chunk);
}
for (int i = 0; i < CHANNELS; i++)
_audio_out[i]->submit(p[i]);
}
}
};
int main(int argc, char **argv)
{
PDBG("--- Audio_out click test ---\n");
Genode::Signal_context sig_ctx;
Genode::Signal_receiver sig_rec;
Genode::Signal_context_capability sig_cap = sig_rec.manage(&sig_ctx);
Input::Connection input;
Input::Event *ev_buf;
input.sigh(sig_cap);
ev_buf = static_cast<Input::Event *>(Genode::env()->rm_session()->attach(input.dataspace()));
Click click("click.raw");
for (;;) {
Genode::Signal sig = sig_rec.wait_for_signal();
for (int i = 0, num_ev = input.flush(); i < num_ev; ++i) {
Input::Event &ev = ev_buf[i];
if (ev.type() == Input::Event::PRESS) {
click.play();
break;
}
}
}
return 0;
}

View File

@ -0,0 +1,3 @@
TARGET = test-audio_out_click
SRC_CC = main.cc
LIBS = base config