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[DNM] dai-zephyr: use frames aligned for multi-endpoint copy #9196

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[DNM] dai-zephyr: use frames aligned for multi-endpoint copy #9196

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2 changes: 2 additions & 0 deletions src/audio/copier/copier_generic.c
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Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,8 @@ int create_endpoint_buffer(struct comp_dev *dev,
audio_stream_set_buffer_fmt(&buffer->stream,
copier_cfg->base.audio_fmt.interleaving_style);

audio_stream_set_align(1, 1, &buffer->stream);

for (i = 0; i < SOF_IPC_MAX_CHANNELS; i++)
buffer->chmap[i] = (chan_map >> i * 4) & 0xf;

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46 changes: 23 additions & 23 deletions src/audio/dai-zephyr.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1334,19 +1334,15 @@ int dai_zephyr_multi_endpoint_copy(struct dai_data **dd, struct comp_dev *dev,
struct comp_buffer *multi_endpoint_buffer,
int num_endpoints)
{
uint32_t avail_bytes = UINT32_MAX;
uint32_t free_bytes = UINT32_MAX;
uint32_t frames;
uint32_t src_frames, sink_frames;
uint32_t frame_bytes;
uint32_t frames_aligned;
uint32_t frames = UINT32_MAX;
int ret, i;
int direction;

if (!num_endpoints || !dd || !multi_endpoint_buffer)
return 0;

frame_bytes = audio_stream_frame_bytes(&dd[0]->dma_buffer->stream);

direction = dev->direction;

/* calculate min available/free from all endpoint DMA buffers */
Expand All @@ -1361,37 +1357,41 @@ int dai_zephyr_multi_endpoint_copy(struct dai_data **dd, struct comp_dev *dev,
case -EPIPE:
/* DMA status can return -EPIPE and current status content if xrun occurs */
if (direction == SOF_IPC_STREAM_PLAYBACK)
comp_dbg(dev, "dai_zephyr_multi_endpoint_copy(): dma_get_status() underrun occurred, endpoint: %d ret = %u",
comp_dbg(dev, "dma_get_status() underrun occurred endpoint: %d ret = %u",
i, ret);
else
comp_dbg(dev, "dai_zephyr_multi_endpoint_copy(): dma_get_status() overrun occurred, enpdoint: %d ret = %u",
comp_dbg(dev, "dma_get_status() overrun occurred, enpdoint: %d ret = %u",
i, ret);
break;
default:
return ret;
}

avail_bytes = MIN(avail_bytes, stat.pending_length);
free_bytes = MIN(free_bytes, stat.free);
}

/* calculate minimum size to copy */
if (direction == SOF_IPC_STREAM_PLAYBACK) {
src_frames = audio_stream_get_avail_frames(&multi_endpoint_buffer->stream);
sink_frames = free_bytes / frame_bytes;
} else {
src_frames = avail_bytes / frame_bytes;
sink_frames = audio_stream_get_free_frames(&multi_endpoint_buffer->stream);
/* Use frames_aligned here to avoid glitches, especially for streams
* with odd number of channels. Update frames for every dai in a loop.
*/
if (direction == SOF_IPC_STREAM_PLAYBACK)
frames_aligned =
audio_stream_avail_frames_aligned(&multi_endpoint_buffer->stream,
&dd[i]->dma_buffer->stream);
else
frames_aligned =
audio_stream_avail_frames_aligned(&dd[i]->dma_buffer->stream,
&multi_endpoint_buffer->stream);
frames = MIN(frames, frames_aligned);
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shouldn't stat be used? If not - do we still need dma_get_status()?

}

frames = MIN(src_frames, sink_frames);

/* limit bytes per copy to one period for the whole pipeline in order to avoid high load
* spike if FAST_MODE is enabled, then one period limitation is omitted. All dd's have the
* same period_bytes, so use the period_bytes from dd[0]
*/
if (!(dd[0]->ipc_config.feature_mask & BIT(IPC4_COPIER_FAST_MODE)))
frames = MIN(frames, dd[0]->period_bytes / frame_bytes);
if (!dd[0]->fast_mode) {
size_t period_frames = dd[0]->period_bytes /
audio_stream_frame_bytes(&dd[0]->dma_buffer->stream);
if (period_frames < frames)
frames = period_frames;
}

comp_dbg(dev, "dai_zephyr_multi_endpoint_copy(), dir: %d copy frames= 0x%x",
dev->direction, frames);

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