module: copier: Rework module to use sink/source api - #11171
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Migrate the copier from the legacy audio stream buffers to the sink/source streaming API to prepare sof for the full transition to pipeline 2.0. Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>
Rework the IPC gateway copier to use the sink/source API instead of directly accessing struct comp_buffer and its audio_stream. Data copy helpers now return an error code and roll back the committed/released byte count on failure, and endpoints are taken from the module's sources/sinks arrays instead of walking the buffer lists. Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>
softwarecki
requested review from
abonislawski,
piotrhoppeintel,
serhiy-katsyuba-intel,
tmleman and
wjablon1
September 4, 2026 15:30
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🟡 Changes recommended
The new multi-sink copier path can advance the source by an amount inconsistent with per-sink processing, and IPC gateway paths may now fail IPCs spuriously due to -EBUSY instead of tolerating temporary unavailability.
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Pull request overview
This PR reworks the copier module to use the sink/source API (instead of legacy audio_stream buffer access) as part of preparing for the pipeline 2.0 transition.
Changes:
- Updates
copier.cmodule processing to acceptstruct sof_source **/struct sof_sink **and bridges sink/source windows intocir_buf_*descriptors for PCM conversion. - Refactors IPC gateway copier data transfers to use sink/source APIs (
source_get_data()/sink_get_buffer()) and resets viaaudio_buffer_reset().
File summaries
| File | Description |
|---|---|
| src/audio/copier/copier.c | Switches module copier processing over to sink/source APIs and updates module interface entry point. |
| src/audio/copier/copier_ipcgtw.c | Migrates IPC gateway data copy/reset paths to sink/source APIs and audio_buffer reset helpers. |
Review details
- Files reviewed: 2/2 changed files
- Comments generated: 3
- Review effort level: Lite
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| input_buffers[0].consumed = processed_data.source_bytes; | ||
| /* consume the data read by the converter from the source */ | ||
| source_release_data(source, frames * source_get_frame_bytes(source)); |
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| ret = source_copy_bytes_to_linear(source, out->payload, data_size); | ||
| if (ret) | ||
| return ret; | ||
| out->u.size_avail = source_get_data_available(source); |
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| ret = sink_copy_bytes_from_linear(in->payload, sink, data_size); | ||
| if (ret) | ||
| return ret; |
PR 11171: test resultsRun date: 2026-09-04 16:24 UTC Tested commit: 4d0f757961f92b71fe0f412639fb6a58a2d4d1b7
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Rework the copier module to only use the sink/source api to prepare sof for the full transition to pipeline 2.0.