Preserve video frames until audio clock reaches their PTS

src/stream/stream_buffer.c

@@ -125,7 +125,7 @@ static void buffer_evict_oldest(struct stream_buffer *b) {
     b->stats.blocks -= batch->count;
     b->stats.stored_bytes -= batch->count * b->block_bytes;
     b->stats.evicted_batches++;
-    DEBUG_DEBUG(DEBUG_CATEGORY_STREAM, "buffer evicted seq=%llu blocks=%u retained=%u bytes=%zu low=%llu",
+    DEBUG_TRACE(DEBUG_CATEGORY_STREAM, "buffer evicted seq=%llu blocks=%u retained=%u bytes=%zu low=%llu",
                 (unsigned long long)batch->seq, batch->count, b->stats.blocks, b->stats.stored_bytes,
                 (unsigned long long)b->stats.expired_before);
     u_free(batch);