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ipa: ipu3: Provide frame timestamps through IPU3Event

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Pass in frame timestamps from IPU3 pipeline handler to IPU3 IPA via
IPU3Event. Frame timestamps are helpful to IPA algorithms to
convergence, by setting them via IPA stats.

Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Umang Jain 2021-05-26 18:40:25 +05:30 • committed by Laurent Pinchart
parent abbc4bd11b
commit c43c12a24b
3 changed files with 7 additions and 3 deletions
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1
include/libcamera/ipa/ipu3.mojom
View file

@ -21,6 +21,7 @@ enum IPU3Operations {
struct IPU3Event {
IPU3Operations op;
uint32 frame;
int64 frameTimestamp;
uint32 bufferId;
libcamera.ControlList controls;
};

4
src/ipa/ipu3/ipu3.cpp
View file

@ -53,6 +53,7 @@ private:
void processControls(unsigned int frame, const ControlList &controls);
void fillParams(unsigned int frame, ipu3_uapi_params *params);
void parseStatistics(unsigned int frame,
int64_t frameTimestamp,
const ipu3_uapi_stats_3a *stats);
void setControls(unsigned int frame);
@ -214,7 +215,7 @@ void IPAIPU3::processEvent(const IPU3Event &event)
const ipu3_uapi_stats_3a *stats =
reinterpret_cast<ipu3_uapi_stats_3a *>(mem.data());
parseStatistics(event.frame, stats);
parseStatistics(event.frame, event.frameTimestamp, stats);
break;
}
case EventFillParams: {
@ -257,6 +258,7 @@ void IPAIPU3::fillParams(unsigned int frame, ipu3_uapi_params *params)
}
void IPAIPU3::parseStatistics(unsigned int frame,
[[maybe_unused]] int64_t frameTimestamp,
[[maybe_unused]] const ipu3_uapi_stats_3a *stats)
{
ControlList ctrls(controls::controls);

5
src/libcamera/pipeline/ipu3/ipu3.cpp
View file

@ -1357,6 +1357,8 @@ void IPU3CameraData::statBufferReady(FrameBuffer *buffer)
if (!info)
return;
Request *request = info->request;
if (buffer->metadata().status == FrameMetadata::FrameCancelled) {
info->metadataProcessed = true;
@ -1364,8 +1366,6 @@ void IPU3CameraData::statBufferReady(FrameBuffer *buffer)
* tryComplete() will delete info if it completes the IPU3Frame.
* In that event, we must have obtained the Request before hand.
*/
Request *request = info->request;
if (frameInfos_.tryComplete(info))
pipe_->completeRequest(request);
@ -1376,6 +1376,7 @@ void IPU3CameraData::statBufferReady(FrameBuffer *buffer)
ev.op = ipa::ipu3::EventStatReady;
ev.frame = info->id;
ev.bufferId = info->statBuffer->cookie();
ev.frameTimestamp = request->metadata().get(controls::SensorTimestamp);
ipa_->processEvent(ev);
}