LibAudio: Add integer sample format-specific support

This allows us to better handle specifically integer sample formats.
Author: https://github.com/kleinesfilmroellchen Commit: 7bb128e1ed Pull-request: https://github.com/SerenityOS/serenity/pull/19790 Reviewed-by: https://github.com/ADKaster ✅ Reviewed-by: https://github.com/LucasChollet Reviewed-by: https://github.com/alimpfard
2025-07-30 04:39:06 +00:00 · 2023-06-30 20:07:18 +02:00 · 2023-06-30 20:07:18 +02:00 · 7bb128e1ed · 2024-07-17 07:43:44 +09:00
commit 7bb128e1ed
parent e45a666419
2 changed files with 23 additions and 0 deletions
--- a/Userland/Libraries/LibAudio/SampleFormats.cpp
+++ b/Userland/Libraries/LibAudio/SampleFormats.cpp
@ -27,6 +27,27 @@ u16 pcm_bits_per_sample(PcmSampleFormat format)
    }
 }

+bool is_integer_format(PcmSampleFormat format)
+{
+    return format == PcmSampleFormat::Uint8 || format == PcmSampleFormat::Int16 || format == PcmSampleFormat::Int24 || format == PcmSampleFormat::Int32;
+}
+
+Optional<PcmSampleFormat> integer_sample_format_for(u16 bits_per_sample)
+{
+    switch (bits_per_sample) {
+    case 8:
+        return PcmSampleFormat::Uint8;
+    case 16:
+        return PcmSampleFormat::Int16;
+    case 24:
+        return PcmSampleFormat::Int24;
+    case 32:
+        return PcmSampleFormat::Int32;
+    default:
+        return {};
+    }
+}
+
 DeprecatedString sample_format_name(PcmSampleFormat format)
 {
    bool is_float = format == PcmSampleFormat::Float32 || format == PcmSampleFormat::Float64;