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fmt-ops: allocate shaper memory dynamically

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It is based on the number of channels so allocate it dynamically.
This commit is contained in:
Wim Taymans 2025-10-24 12:46:38 +02:00
parent d18670d7bb
commit f7c3d37969
2 changed files with 5 additions and 3 deletions
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6
spa/plugins/audioconvert/fmt-ops.c
View file

@ -551,7 +551,7 @@ int convert_init(struct convert *conv)
const struct dither_info *dinfo;
const struct noise_info *ninfo;
const struct clear_info *cinfo;
uint32_t i, conv_flags, data_size[3];
uint32_t i, conv_flags, data_size[4];
/* we generate int32 bits of random values. With this scale
* factor, we bring this in the [-1.0, 1.0] range */
@ -615,15 +615,17 @@ int convert_init(struct convert *conv)
data_size[0] = SPA_ROUND_UP(conv->noise_size * sizeof(float), FMT_OPS_MAX_ALIGN);
data_size[1] = SPA_ROUND_UP(RANDOM_SIZE * sizeof(uint32_t), FMT_OPS_MAX_ALIGN);
data_size[2] = SPA_ROUND_UP(RANDOM_SIZE * sizeof(int32_t), FMT_OPS_MAX_ALIGN);
data_size[3] = SPA_ROUND_UP(conv->n_channels * sizeof(struct shaper), FMT_OPS_MAX_ALIGN);
conv->data = calloc(FMT_OPS_MAX_ALIGN +
data_size[0] + data_size[1] + data_size[2], 1);
data_size[0] + data_size[1] + data_size[2] + data_size[3], 1);
if (conv->data == NULL)
return -errno;
conv->noise = SPA_PTR_ALIGN(conv->data, FMT_OPS_MAX_ALIGN, float);
conv->random = SPA_PTROFF(conv->noise, data_size[0], uint32_t);
conv->prev = SPA_PTROFF(conv->random, data_size[1], int32_t);
conv->shaper = SPA_PTROFF(conv->prev, data_size[2], struct shaper);
for (i = 0; i < RANDOM_SIZE; i++)
conv->random[i] = random();

2
spa/plugins/audioconvert/fmt-ops.h
View file

@ -236,7 +236,7 @@ struct convert {
uint32_t noise_size;
const float *ns;
uint32_t n_ns;
struct shaper shaper[64];
struct shaper *shaper;
void (*update_noise) (struct convert *conv, float *noise, uint32_t n_samples);
void (*process) (struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],