diff options
| author | Hirokazu Honda <hiroh@chromium.org> | 2021-08-26 20:25:31 +0900 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2021-08-30 18:08:02 +0300 |
| commit | 86a47fdcd97350bd979a4d6b00124330a3b02441 (patch) | |
| tree | 5019efc31e378911c92ffe2b052f3ab9b60faa63 /src/libcamera/ipa_data_serializer.cpp | |
| parent | a000a1f6e3208515200aaae6ca8128471c6ed9f3 (diff) | |
libcamera: framebuffer: Add offset to FrameBuffer::Plane
This adds offset to FrameBuffer::Plane. It enables representing frame
buffers that store planes in the same dmabuf at different offsets, as
for instance required by the V4L2 NV12 pixel format.
Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'src/libcamera/ipa_data_serializer.cpp')
| -rw-r--r-- | src/libcamera/ipa_data_serializer.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libcamera/ipa_data_serializer.cpp b/src/libcamera/ipa_data_serializer.cpp index 5b183c70..82ec9b20 100644 --- a/src/libcamera/ipa_data_serializer.cpp +++ b/src/libcamera/ipa_data_serializer.cpp @@ -569,6 +569,7 @@ FileDescriptor IPADataSerializer<FileDescriptor>::deserialize(const std::vector< * FrameBuffer::Plane is serialized as: * * 4 byte - FileDescriptor + * 4 bytes - uint32_t Offset * 4 bytes - uint32_t Length */ template<> @@ -586,6 +587,7 @@ IPADataSerializer<FrameBuffer::Plane>::serialize(const FrameBuffer::Plane &data, dataVec.insert(dataVec.end(), fdBuf.begin(), fdBuf.end()); fdsVec.insert(fdsVec.end(), fdFds.begin(), fdFds.end()); + appendPOD<uint32_t>(dataVec, data.offset); appendPOD<uint32_t>(dataVec, data.length); return { dataVec, fdsVec }; @@ -603,7 +605,8 @@ IPADataSerializer<FrameBuffer::Plane>::deserialize(std::vector<uint8_t>::const_i ret.fd = IPADataSerializer<FileDescriptor>::deserialize(dataBegin, dataBegin + 4, fdsBegin, fdsBegin + 1); - ret.length = readPOD<uint32_t>(dataBegin, 4, dataEnd); + ret.offset = readPOD<uint32_t>(dataBegin, 4, dataEnd); + ret.length = readPOD<uint32_t>(dataBegin, 8, dataEnd); return ret; } |