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修复花屏3
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sladro 2026-01-05 18:56:10 +08:00
parent f22e977d44
commit 9c18773e65
1 changed files with 4 additions and 0 deletions
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4
plugins/preprocess/preprocess_node.cpp
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@ -360,10 +360,14 @@ private:
std::cerr << "[preprocess] DMA alloc for src failed\n";
return false;
}
// CPU writes to a DMA-BUF must be flushed before RGA reads it.
DmaSyncStartFd(src_dma_buf->fd);
if (!CopyToStridedBuffer(*frame, src_dma_buf->data(), src_dma_buf->size, src_wstride, src_hstride)) {
DmaSyncEndFd(src_dma_buf->fd);
std::cerr << "[preprocess] copy src to DMA failed\n";
return false;
}
DmaSyncEndFd(src_dma_buf->fd);
src_buf = wrapbuffer_fd_t(src_dma_buf->fd, frame->width, frame->height,
src_wstride, src_hstride, src_fmt_rga);
} else {