[Intel-gfx] [PATCH i-g-t v2] lib/tests: Add audio selftest

[Paul Kocialkowski]

On Thu, 2017-08-31 at 11:02 +0300, Paul Kocialkowski wrote:
> This introduces a selftest for the audio library.
> 
> It consists of generating a signal from a list of frequencies and
> ensuring that the integrity checking function does detect these
> frequencies (and only these frequencies).

Looks like I forgot to CC Lyude on v2, sorry.

For reference, the patch is up at:
https://patchwork.freedesktop.org/series/29550/

> Signed-off-by: Paul Kocialkowski <paul.kocialkowski at linux.intel.com>
> ---
>  lib/tests/.gitignore       |  1 +
>  lib/tests/Makefile.am      |  4 ++--
>  lib/tests/Makefile.sources |  5 +++++
>  lib/tests/igt_audio.c      | 55
> ++++++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 63 insertions(+), 2 deletions(-)
>  create mode 100644 lib/tests/igt_audio.c
> 
> diff --git a/lib/tests/.gitignore b/lib/tests/.gitignore
> index ae11dd47..49bd5b01 100644
> --- a/lib/tests/.gitignore
> +++ b/lib/tests/.gitignore
> @@ -1,5 +1,6 @@
>  # Please keep sorted alphabetically
>  igt_assert
> +igt_audio
>  igt_fork_helper
>  igt_exit_handler
>  igt_invalid_subtest_name
> diff --git a/lib/tests/Makefile.am b/lib/tests/Makefile.am
> index 5d14194a..36c16124 100644
> --- a/lib/tests/Makefile.am
> +++ b/lib/tests/Makefile.am
> @@ -16,5 +16,5 @@ AM_CFLAGS = $(DRM_CFLAGS) $(CWARNFLAGS)
> $(DEBUG_CFLAGS) \
>  
>  LDADD = ../libintel_tools.la $(PCIACCESS_LIBS) $(DRM_LIBS)
> $(LIBUNWIND_LIBS) $(TIMER_LIBS)
>  
> -LDADD += $(CAIRO_LIBS) $(LIBUDEV_LIBS) $(GLIB_LIBS) -lm
> -AM_CFLAGS += $(CAIRO_CFLAGS) $(LIBUDEV_CFLAGS) $(GLIB_CFLAGS)
> +LDADD += $(CAIRO_LIBS) $(LIBUDEV_LIBS) $(GLIB_LIBS) $(GSL_LIBS) -lm
> +AM_CFLAGS += $(CAIRO_CFLAGS) $(LIBUDEV_CFLAGS) $(GLIB_CFLAGS)
> $(GSL_CFLAGS)
> diff --git a/lib/tests/Makefile.sources b/lib/tests/Makefile.sources
> index 8d1a8dea..eb702844 100644
> --- a/lib/tests/Makefile.sources
> +++ b/lib/tests/Makefile.sources
> @@ -18,6 +18,11 @@ check_prog_list = \
>  	igt_can_fail_simple \
>  	$(NULL)
>  
> +#if HAVE_GSL
> +check_prog_list += \
> +	igt_audio
> +#endif
> +
>  TESTS = \
>  	$(check_prog_list) \
>  	$(check_script_list) \
> diff --git a/lib/tests/igt_audio.c b/lib/tests/igt_audio.c
> new file mode 100644
> index 00000000..2f9d0492
> --- /dev/null
> +++ b/lib/tests/igt_audio.c
> @@ -0,0 +1,55 @@
> +/*
> + * Copyright © 2017 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person
> obtaining a
> + * copy of this software and associated documentation files (the
> "Software"),
> + * to deal in the Software without restriction, including without
> limitation
> + * the rights to use, copy, modify, merge, publish, distribute,
> sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom
> the
> + * Software is furnished to do so, subject to the following
> conditions:
> + *
> + * The above copyright notice and this permission notice (including
> the next
> + * paragraph) shall be included in all copies or substantial portions
> of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT
> SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
> OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> OTHER DEALINGS
> + * IN THE SOFTWARE.
> + *
> + */
> +
> +#include "igt_core.h"
> +#include "igt_audio.h"
> +
> +static int test_frequencies[] = {
> +	300,
> +	600,
> +	1200,
> +	80000,
> +	10000,
> +};
> +
> +igt_simple_main
> +{
> +	short buffer[2048];
> +	struct audio_signal *signal;
> +	int i;
> +
> +	signal = audio_signal_init(2, 44800);
> +	igt_assert(signal);
> +
> +	for (i = 0; i < ARRAY_SIZE(test_frequencies); i++)
> +		audio_signal_add_frequency(signal,
> test_frequencies[i]);
> +
> +	audio_signal_synthesize(signal);
> +	audio_signal_fill(signal, buffer, 1024);
> +
> +	igt_assert(audio_signal_detect(signal, 2, 44800, buffer,
> 1024));
> +
> +	audio_signal_clean(signal);
> +	free(signal);
> +}
-- 
Paul Kocialkowski <paul.kocialkowski at linux.intel.com>
Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo, Finland