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m/ff: Improve interface

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This commit is contained in:
Jakob Bornecrantz 2020-09-16 17:26:13 +01:00
parent 71f912ffc5
commit 6a94b1cf80
2 changed files with 40 additions and 4 deletions
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28
src/xrt/auxiliary/math/m_filter_fifo.c
View file

@ -88,6 +88,12 @@ m_ff_vec3_f32_free(struct m_ff_vec3_f32 **ff_ptr)
*ff_ptr = NULL;
}
size_t
m_ff_vec3_f32_get_num(struct m_ff_vec3_f32 *ff)
{
return ff->num;
}
void
m_ff_vec3_f32_push(struct m_ff_vec3_f32 *ff,
const struct xrt_vec3 *sample,
@ -103,15 +109,21 @@ m_ff_vec3_f32_push(struct m_ff_vec3_f32 *ff,
ff->timestamps_ns[i] = timestamp_ns;
}
void
bool
m_ff_vec3_f32_get(struct m_ff_vec3_f32 *ff,
size_t num,
struct xrt_vec3 *out_sample,
uint64_t *out_timestamp_ns)
{
if (num >= ff->num) {
return false;
}
size_t pos = (ff->latest + num) % ff->num;
*out_sample = ff->samples[pos];
*out_timestamp_ns = ff->timestamps_ns[pos];
return true;
}
size_t
@ -242,6 +254,12 @@ m_ff_f64_free(struct m_ff_f64 **ff_ptr)
*ff_ptr = NULL;
}
size_t
m_ff_f64_get_num(struct m_ff_f64 *ff)
{
return ff->num;
}
void
m_ff_f64_push(struct m_ff_f64 *ff, const double *sample, uint64_t timestamp_ns)
{
@ -255,15 +273,21 @@ m_ff_f64_push(struct m_ff_f64 *ff, const double *sample, uint64_t timestamp_ns)
ff->timestamps_ns[i] = timestamp_ns;
}
void
bool
m_ff_f64_get(struct m_ff_f64 *ff,
size_t num,
double *out_sample,
uint64_t *out_timestamp_ns)
{
if (num >= ff->num) {
return false;
}
size_t pos = (ff->latest + num) % ff->num;
*out_sample = ff->samples[pos];
*out_timestamp_ns = ff->timestamps_ns[pos];
return true;
}
size_t

16
src/xrt/auxiliary/math/m_filter_fifo.h
View file

@ -32,6 +32,12 @@ m_ff_vec3_f32_alloc(struct m_ff_vec3_f32 **ff_out, size_t num);
void
m_ff_vec3_f32_free(struct m_ff_vec3_f32 **ff_ptr);
/*!
* Return the number of samples that can fill the fifo.
*/
size_t
m_ff_vec3_f32_get_num(struct m_ff_vec3_f32 *ff);
/*!
* Pushes a sample at the given timepoint, pushing samples out of order yields
* unspecified behaviour, so samples must be pushed in time order.
@ -45,7 +51,7 @@ m_ff_vec3_f32_push(struct m_ff_vec3_f32 *ff,
* Return the sample at the index, zero means the last sample push, one second
* last and so on.
*/
void
bool
m_ff_vec3_f32_get(struct m_ff_vec3_f32 *ff,
size_t num,
struct xrt_vec3 *out_sample,
@ -82,6 +88,12 @@ m_ff_f64_alloc(struct m_ff_f64 **ff_out, size_t num);
void
m_ff_f64_free(struct m_ff_f64 **ff_ptr);
/*!
* Return the number of samples that can fill the fifo.
*/
size_t
m_ff_f64_get_num(struct m_ff_f64 *ff);
/*!
* Pushes a sample at the given timepoint, pushing samples out of order yields
* unspecified behaviour, so samples must be pushed in time order.
@ -93,7 +105,7 @@ m_ff_f64_push(struct m_ff_f64 *ff, const double *sample, uint64_t timestamp_ns);
* Return the sample at the index, zero means the last sample push, one second
* last and so on.
*/
void
bool
m_ff_f64_get(struct m_ff_f64 *ff,
size_t num,
double *out_sample,