On Wed, 2017-08-30 at 17:45 +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).
>
> Signed-off-by: Paul Kocialkowski <[email protected]>
> ---
> lib/tests/Makefile.am | 2 +-
> lib/tests/Makefile.sources | 5 ++++
> lib/tests/igt_audio.c | 57
> ++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 63 insertions(+), 1 deletion(-)
> create mode 100644 lib/tests/igt_audio.c
>
> diff --git a/lib/tests/Makefile.am b/lib/tests/Makefile.am
> index 5d14194a..b1caa628 100644
> --- a/lib/tests/Makefile.am
> +++ b/lib/tests/Makefile.am
> @@ -14,7 +14,7 @@ AM_CFLAGS = $(DRM_CFLAGS) $(CWARNFLAGS) $(DEBUG_CFLAGS) \
> -DIGT_DATADIR=\""$(abs_srcdir)"\" \
> $(NULL)
>
> -LDADD = ../libintel_tools.la $(PCIACCESS_LIBS) $(DRM_LIBS) $(LIBUNWIND_LIBS)
> $(TIMER_LIBS)
> +LDADD = ../libintel_tools.la $(PCIACCESS_LIBS) $(DRM_LIBS) $(GSL_CFLAGS)
> $(LIBUNWIND_LIBS) $(TIMER_LIBS)
>
> LDADD += $(CAIRO_LIBS) $(LIBUDEV_LIBS) $(GLIB_LIBS) -lm
> AM_CFLAGS += $(CAIRO_CFLAGS) $(LIBUDEV_CFLAGS) $(GLIB_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..2354d5a0
> --- /dev/null
> +++ b/lib/tests/igt_audio.c
> @@ -0,0 +1,57 @@
> +/*
> + * 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,
> +};
> +
> +static int test_frequencies_count = sizeof(test_frequencies) / sizeof(int);
> +
> +igt_simple_main
> +{
> + short buffer[2 * 1024];
And just specify the size here explicitly, no need to present it in units of
1024
> + struct audio_signal *signal;
> + int i;
> +
> + signal = audio_signal_init(2, 44800);
> + igt_assert(signal);
> +
> + for (i = 0; i < test_frequencies_count; i++)
Just use ARRAY_SIZE(test_frequencies), no need for test_frequencies_count
> + 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);
> +}
--
Cheers,
Lyude
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