From e07ad5a59970849df5cf03002ebd5d5a05144154 Mon Sep 17 00:00:00 2001
From: Johannes Schriewer <hallo@dunkelstern.de>
Date: Fri, 1 Mar 2024 01:31:35 +0100
Subject: [PATCH] Add equalizer to test application
---
AudioLib/main.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 68 insertions(+), 2 deletions(-)
diff --git a/AudioLib/main.c b/AudioLib/main.c
index 050dc66..ac8a960 100644
--- a/AudioLib/main.c
+++ b/AudioLib/main.c
@@ -4,18 +4,84 @@
#include "audio_source_file.h"
#include "audio_demuxer_mp3.h"
#include "audio_decoder_mp3.h"
+#include "audio_filter_param_eq.h"
#include "audio_filter_resample.h"
#include "audio_sink_libao.h"
+#include "audio_sink_file.h"
int main(int argc, char **argv) {
AudioPipeline *pipeline;
-
+ EQBand bands[] = {
+ {
+ .type = EQTypeLowShelf,
+ .frequency = 32.0,
+ .Q = 1.41,
+ .gain = -4.47
+ },
+ {
+ .type = EQTypePeak,
+ .frequency = 64.0,
+ .Q = 1.41,
+ .gain = 2.15
+ },
+ {
+ .type = EQTypePeak,
+ .frequency = 125.0,
+ .Q = 1.41,
+ .gain = 5.13
+ },
+ {
+ .type = EQTypePeak,
+ .frequency = 250.0,
+ .Q = 1.41,
+ .gain = 5.13
+ },
+ {
+ .type = EQTypePeak,
+ .frequency = 500.0,
+ .Q = 1.41,
+ .gain = -3.48
+ },
+ {
+ .type = EQTypePeak,
+ .frequency = 1000.0,
+ .Q = 1.41,
+ .gain = -4.14
+ },
+ {
+ .type = EQTypePeak,
+ .frequency = 2000.0,
+ .Q = 1.41,
+ .gain = 0
+ },
+ {
+ .type = EQTypePeak,
+ .frequency = 4000.0,
+ .Q = 1.41,
+ .gain = 3.14
+ },
+ {
+ .type = EQTypePeak,
+ .frequency = 8000.0,
+ .Q = 1.41,
+ .gain = 3.14
+ },
+ {
+ .type = EQTypeHighShelf,
+ .frequency = 16000.0,
+ .Q = 1.41,
+ .gain = 3.14
+ },
+ };
+
pipeline = audio_pipeline_assemble(
audio_source_file("/Users/dark/test2.mp3", 512),
audio_demuxer_mp3(),
audio_decoder_mp3(),
- // audio_filter_resample(48000),
+ audio_filter_resample(48000),
+ audio_filter_param_eq(bands, 10, -6.5),
audio_sink_libao(),
+ //audio_sink_file("/Users/dark/out.raw"),
NULL
);