71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
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#include <yuvChannelStimulusBuffer.h>
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#include <stdexcept>
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namespace smo {
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namespace stim_buff {
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namespace lcamera_buff {
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namespace {
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constexpr const char *qualeIfaceColourYuvY = "colour-yuv-y";
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constexpr const char *qualeIfaceColourYuvU = "colour-yuv-u";
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constexpr const char *qualeIfaceColourYuvV = "colour-yuv-v";
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} // namespace
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YuvChannelKind YuvChannelStimulusBuffer::yuvChannelKindFromQualeIfaceApi(
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const std::string& qualeIfaceApi)
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{
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if (qualeIfaceApi == qualeIfaceColourYuvY) {
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return YuvChannelKind::Y;
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}
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if (qualeIfaceApi == qualeIfaceColourYuvU) {
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return YuvChannelKind::U;
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}
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if (qualeIfaceApi == qualeIfaceColourYuvV) {
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return YuvChannelKind::V;
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}
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throw std::runtime_error(
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"lcameraBuff: unsupported qualeIfaceApi '" + qualeIfaceApi
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+ "'; expected colour-yuv-y, colour-yuv-u, or colour-yuv-v");
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}
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StagingBuffer::IOEngineConstraints yuvChannelStagingInputConstraints(
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size_t channelByteSize)
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{
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const size_t pageSize = static_cast<size_t>(sysconf(_SC_PAGE_SIZE));
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return StagingBuffer::IOEngineConstraints(
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1,
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channelByteSize,
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pageSize,
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pageSize);
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}
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YuvChannelStimulusBuffer::YuvChannelStimulusBuffer(
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StimulusProducer& parent,
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const std::shared_ptr<device::DeviceAttachmentSpec>& deviceAttachmentSpec,
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int histbuffMs,
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YuvChannelKind _channelKind,
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size_t _channelByteSize,
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const SmoCallbacks& callbacks,
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cl_mem_flags flags)
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: StimulusBuffer(
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parent,
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deviceAttachmentSpec,
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histbuffMs,
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yuvChannelStagingInputConstraints(_channelByteSize),
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yuvChannelStagingInputConstraints(_channelByteSize),
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callbacks,
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flags),
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channelKind(_channelKind),
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channelByteSize(_channelByteSize)
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{}
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} // namespace lcamera_buff
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} // namespace stim_buff
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} // namespace smo
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