diff options
author | Paul Kocialkowski <paul.kocialkowski@linux.intel.com> | 2017-08-21 18:27:18 +0300 |
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committer | Lyude <lyude@redhat.com> | 2017-08-21 13:53:20 -0400 |
commit | 39cc9bf89c293c92d55aad803c08816ad922585d (patch) | |
tree | 9dcaac6e546e19d4d0502d2904602c87265da1e0 /lib/igt_audio.h | |
parent | 5a17ee2c8f9013f5db852d27564b837f9f2c5a9f (diff) |
lib: Add audio library with dedicated helpers
This introduces an audio library, with dedicated helpers for both
generating signals and detecting peak frequencies in a signal.
This library paves the way for testing audio going through display
connectors, such as HDMI.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@linux.intel.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Diffstat (limited to 'lib/igt_audio.h')
-rw-r--r-- | lib/igt_audio.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/igt_audio.h b/lib/igt_audio.h new file mode 100644 index 00000000..507e7ab9 --- /dev/null +++ b/lib/igt_audio.h @@ -0,0 +1,47 @@ +/* + * 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. + * + * Authors: + * Paul Kocialkowski <paul.kocialkowski@linux.intel.com> + */ + +#ifndef IGT_AUDIO_H +#define IGT_AUDIO_H + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "igt.h" +#include <stdbool.h> + +struct audio_signal; + +struct audio_signal *audio_signal_init(int channels, int sampling_rate); +int audio_signal_add_frequency(struct audio_signal *signal, int frequency); +void audio_signal_synthesize(struct audio_signal *signal); +void audio_signal_clean(struct audio_signal *signal); +void audio_signal_fill(struct audio_signal *signal, short *buffer, int frames); +bool audio_signal_detect(struct audio_signal *signal, int channels, + int sampling_rate, short *buffer, int frames); + +#endif |