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src: copier_hifi: update apply_attenuation function 

The function applying the attenuation should be based
on write pointer and the current number of copied data in
the current systick.

Signed-off-by: Damian Nikodem <damian.nikodem@intel.com>
This commit is contained in:
Damian Nikodem 2023-06-13 08:49:53 +02:00 committed by Kai Vehmanen
parent 77e3e92157
commit a6834da4fa
2 changed files with 25 additions and 1 deletions
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3
src/audio/copier/copier_hifi.c
View File

@ -31,7 +31,8 @@ int apply_attenuation(struct comp_dev *dev, struct copier_data *cd,
ae_valign uu = AE_ZALIGN64();
ae_valign su = AE_ZALIGN64();
int remaining_samples = frame * audio_stream_get_channels(&sink->stream);
uint32_t *dst = audio_stream_get_rptr(&sink->stream);
uint32_t bytes = frame * audio_stream_frame_bytes(&sink->stream);
uint32_t *dst = audio_stream_rewind_wptr_by_bytes(&sink->stream, bytes);
ae_int32x2 *in = (ae_int32x2 *)dst;
ae_int32x2 *out = (ae_int32x2 *)dst;

23
src/include/sof/audio/audio_stream.h
View File

@ -792,6 +792,29 @@ audio_stream_rewind_bytes_without_wrap(const struct audio_stream __sparse_cache
return to_begin;
}
/**
* @brief Calculate position of write pointer to the position before the data was copied
* to source buffer.
* @param source Stream to get information from.
* @param bytes Number of bytes copied to source buffer.
* @return Previous position of the write pointer.
*/
static inline uint32_t
*audio_stream_rewind_wptr_by_bytes(const struct audio_stream __sparse_cache *source,
const uint32_t bytes)
{
void *wptr = audio_stream_get_wptr(source);
int to_begin = audio_stream_rewind_bytes_without_wrap(source, wptr);
assert((intptr_t)wptr >= (intptr_t)source->addr);
assert((intptr_t)source->end_addr > (intptr_t)wptr);
if (to_begin > bytes)
return (uint32_t *)((intptr_t)wptr - bytes);
else
return (uint32_t *)((intptr_t)source->end_addr - (bytes - to_begin));
}
/**
* @brief Calculates numbers of s16 samples to buffer wrap when buffer
* is read forward towards end address.