PawletOS/external_libcamera
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

libcamera: converter: Add V4L2 request support

Browse Source 
Add V4L2 request support to the V4L2M2MConverter class. Extend the
functions related to buffer queuing with an optional request parameter
that gets passed to the lower layers.

Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>
This commit is contained in:
Stefan Klug
2025-11-26 17:39:28 +01:00
parent cdc2620549
commit 041625628c
4 changed files with 18 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libcamera/converter/converter_v4l2_m2m.cpp
+8 -4
View File
@@ -22,6 +22,7 @@
#include <libcamera/stream.h>
#include "libcamera/internal/media_device.h"
#include "libcamera/internal/v4l2_request.h"
#include "libcamera/internal/v4l2_videodevice.h"
/**
@@ -197,9 +198,11 @@ void V4L2M2MConverter::V4L2M2MStream::stop()
m2m_->output()->releaseBuffers();
}
int V4L2M2MConverter::V4L2M2MStream::queueBuffers(FrameBuffer *input, FrameBuffer *output)
int V4L2M2MConverter::V4L2M2MStream::queueBuffers(FrameBuffer *input,
FrameBuffer *output,
const V4L2Request *request)
{
int ret = m2m_->output()->queueBuffer(input);
int ret = m2m_->output()->queueBuffer(input, request);
if (ret < 0)
return ret;
@@ -696,7 +699,8 @@ int V4L2M2MConverter::validateOutput(StreamConfiguration *cfg, bool *adjusted,
* \copydoc libcamera::Converter::queueBuffers
*/
int V4L2M2MConverter::queueBuffers(FrameBuffer *input,
const std::map<const Stream *, FrameBuffer *> &outputs)
const std::map<const Stream *, FrameBuffer *> &outputs,
const V4L2Request *request)
{
std::set<FrameBuffer *> outputBufs;
int ret;
@@ -721,7 +725,7 @@ int V4L2M2MConverter::queueBuffers(FrameBuffer *input,
/* Queue the input and output buffers to all the streams. */
for (auto [stream, buffer] : outputs) {
ret = streams_.at(stream)->queueBuffers(input, buffer);
ret = streams_.at(stream)->queueBuffers(input, buffer, request);
if (ret < 0)
return ret;
}