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[PATCH v2 02/10] hw/audio/cs4231a: Const'ify global tables
From: |
Bernhard Beschow |
Subject: |
[PATCH v2 02/10] hw/audio/cs4231a: Const'ify global tables |
Date: |
Fri, 20 May 2022 20:01:01 +0200 |
The tables contain spcifically crafted constants for algorithms, so make
them immutable.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
hw/audio/cs4231a.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/hw/audio/cs4231a.c b/hw/audio/cs4231a.c
index 0723e39430..7f17a72a9c 100644
--- a/hw/audio/cs4231a.c
+++ b/hw/audio/cs4231a.c
@@ -84,7 +84,7 @@ struct CSState {
int transferred;
int aci_counter;
SWVoiceOut *voice;
- int16_t *tab;
+ const int16_t *tab;
};
#define MODE2 (1 << 6)
@@ -142,13 +142,13 @@ enum {
Capture_Lower_Base_Count
};
-static int freqs[2][8] = {
+static const int freqs[2][8] = {
{ 8000, 16000, 27420, 32000, -1, -1, 48000, 9000 },
{ 5510, 11025, 18900, 22050, 37800, 44100, 33075, 6620 }
};
/* Tables courtesy http://hazelware.luggle.com/tutorials/mulawcompression.html
*/
-static int16_t MuLawDecompressTable[256] =
+static const int16_t MuLawDecompressTable[256] =
{
-32124,-31100,-30076,-29052,-28028,-27004,-25980,-24956,
-23932,-22908,-21884,-20860,-19836,-18812,-17788,-16764,
@@ -184,7 +184,7 @@ static int16_t MuLawDecompressTable[256] =
56, 48, 40, 32, 24, 16, 8, 0
};
-static int16_t ALawDecompressTable[256] =
+static const int16_t ALawDecompressTable[256] =
{
-5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
-7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
--
2.36.1
- [PATCH v2 00/10] Random cleanup patches, Bernhard Beschow, 2022/05/20
- [PATCH v2 01/10] hw: Reuse TYPE_I8042 define, Bernhard Beschow, 2022/05/20
- [PATCH v2 02/10] hw/audio/cs4231a: Const'ify global tables,
Bernhard Beschow <=
- [PATCH v2 03/10] hw/i386/pc: Unexport PC_CPU_MODEL_IDS macro, Bernhard Beschow, 2022/05/20
- [PATCH v2 05/10] hw/i386/pc: Remove orphan declarations, Bernhard Beschow, 2022/05/20
- [PATCH v2 04/10] hw/i386/pc: Unexport functions used only internally, Bernhard Beschow, 2022/05/20
- [PATCH v2 07/10] hw/net/fsl_etsec/etsec: Remove obsolete and unused etsec_create(), Bernhard Beschow, 2022/05/20
- [PATCH v2 06/10] hw/ppc/e500: Remove unused BINARY_DEVICE_TREE_FILE, Bernhard Beschow, 2022/05/20
- [PATCH v2 08/10] accel/tcg/cpu-exec: Unexport dump_drift_info(), Bernhard Beschow, 2022/05/20