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alsa-compress-offload-sink: Improve write_queued_output_buffers comments

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This commit is contained in:
Carlos Rafael Giani 2023-12-07 13:08:39 +01:00
parent 48716a72b1
commit c504851dca
1 changed files with 9 additions and 5 deletions
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14
spa/plugins/alsa/alsa-compress-offload-sink.c
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@ -967,11 +967,15 @@ static int write_queued_output_buffers(struct impl *this)
* If during the write attempts, only a portion of a chunk
* is written, we must keep track of the portion that hasn't
* been consumed yet. offset_within_oldest_output_buffer
* exists for this purpose. In this sink node, each SPA
* buffer has exactly one chunk, so when a chunk is fully
* consumed, the corresponding buffer is removed from the
* queued_output_buffers list, marked as available, and
* returned to the pool through spa_node_call_reuse_buffer(). */
* exists for this purpose. This can happen when the
* device_write() call below returns 0. The loop is then
* aborted, and the chunk is not fully written.
*
* In this sink node, each SPA buffer has exactly one chunk,
* so when a chunk is fully consumed, the corresponding buffer
* is removed from the queued_output_buffers list, marked as
* available, and returned to the pool through
* spa_node_call_reuse_buffer(). */
again:
total_num_written_bytes = 0;