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{
    "id": 19129,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/19129/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/19129/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
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    },
    "msgid": "<20231013074841.16972-6-naush@raspberrypi.com>",
    "date": "2023-10-13T07:48:26",
    "name": "[libcamera-devel,v2,05/20] mojom: pipeline: ipa: rpi: Add fields for PiSP objects",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "8ac47f0dc9ec07201ce2c0c3e3c6c4b22ac04c26",
    "submitter": {
        "id": 34,
        "url": "https://patchwork.libcamera.org/api/1.1/people/34/?format=api",
        "name": "Naushir Patuck",
        "email": "naush@raspberrypi.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/19129/mbox/",
    "series": [
        {
            "id": 4049,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4049/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4049",
            "date": "2023-10-13T07:48:21",
            "name": "Raspberry Pi: Preliminary PiSP support",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/4049/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/19129/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/19129/checks/",
    "tags": {},
    "headers": {
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri, 13 Oct 2023 08:48:26 +0100",
        "Message-Id": "<20231013074841.16972-6-naush@raspberrypi.com>",
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        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2 05/20] mojom: pipeline: ipa: rpi: Add\n\tfields for PiSP objects",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>",
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        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "From": "Naushir Patuck via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Naushir Patuck <naush@raspberrypi.com>",
        "Cc": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Add the PiSP Frontend and Backend SharedMemObject file descriptors to\nthe ipa::init() call. This will allow the pipeline handler to pass these\nobjects to the IPA after construction.\n\nAdd a flag to indicate if buffer swaps are needed when starting the\nISP for the stitch block.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\nReviewed-by: David Plowman <david.plowman@raspberrypi.com>\nReviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\n---\n include/libcamera/ipa/raspberrypi.mojom | 6 +++++-\n src/ipa/rpi/common/ipa_base.cpp         | 2 +-\n src/libcamera/pipeline/rpi/vc4/vc4.cpp  | 5 +++--\n 3 files changed, 9 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/include/libcamera/ipa/raspberrypi.mojom b/include/libcamera/ipa/raspberrypi.mojom\nindex ab4c4e2edca3..5986c4366c15 100644\n--- a/include/libcamera/ipa/raspberrypi.mojom\n+++ b/include/libcamera/ipa/raspberrypi.mojom\n@@ -22,6 +22,9 @@ struct SensorConfig {\n struct InitParams {\n \tbool lensPresent;\n \tlibcamera.IPACameraSensorInfo sensorInfo;\n+\t/* PISP specific */\n+\tlibcamera.SharedFD fe;\n+\tlibcamera.SharedFD be;\n };\n \n struct InitResult {\n@@ -219,13 +222,14 @@ interface IPARPiEventInterface {\n \t * \\fn prepareIspComplete()\n \t * \\brief Signal completion of \\a prepareIsp\n \t * \\param[in] buffers Bayer and embedded buffers actioned.\n+\t * \\param[in] stitchSwapBuffers Whether the stitch block buffers need to be swapped.\n \t *\n \t * This asynchronous event is signalled to the pipeline handler once\n \t * the \\a prepareIsp signal has completed, and the ISP is ready to start\n \t * processing the frame. The embedded data buffer may be recycled after\n \t * this event.\n \t */\n-\tprepareIspComplete(BufferIds buffers);\n+\tprepareIspComplete(BufferIds buffers, bool stitchSwapBuffers);\n \n \t/**\n \t * \\fn processStatsComplete()\ndiff --git a/src/ipa/rpi/common/ipa_base.cpp b/src/ipa/rpi/common/ipa_base.cpp\nindex 5939fe57f040..97f647a9e53e 100644\n--- a/src/ipa/rpi/common/ipa_base.cpp\n+++ b/src/ipa/rpi/common/ipa_base.cpp\n@@ -446,7 +446,7 @@ void IpaBase::prepareIsp(const PrepareParams &params)\n \tframeCount_++;\n \n \t/* Ready to push the input buffer into the ISP. */\n-\tprepareIspComplete.emit(params.buffers);\n+\tprepareIspComplete.emit(params.buffers, false);\n }\n \n void IpaBase::processStats(const ProcessParams &params)\ndiff --git a/src/libcamera/pipeline/rpi/vc4/vc4.cpp b/src/libcamera/pipeline/rpi/vc4/vc4.cpp\nindex bc90d6324777..233473e2fe2b 100644\n--- a/src/libcamera/pipeline/rpi/vc4/vc4.cpp\n+++ b/src/libcamera/pipeline/rpi/vc4/vc4.cpp\n@@ -78,7 +78,7 @@ public:\n \tvoid ispOutputDequeue(FrameBuffer *buffer);\n \n \tvoid processStatsComplete(const ipa::RPi::BufferIds &buffers);\n-\tvoid prepareIspComplete(const ipa::RPi::BufferIds &buffers);\n+\tvoid prepareIspComplete(const ipa::RPi::BufferIds &buffers, bool stitchSwapBuffers);\n \tvoid setIspControls(const ControlList &controls);\n \tvoid setCameraTimeout(uint32_t maxFrameLengthMs);\n \n@@ -833,7 +833,8 @@ void Vc4CameraData::processStatsComplete(const ipa::RPi::BufferIds &buffers)\n \thandleState();\n }\n \n-void Vc4CameraData::prepareIspComplete(const ipa::RPi::BufferIds &buffers)\n+void Vc4CameraData::prepareIspComplete(const ipa::RPi::BufferIds &buffers,\n+\t\t\t\t       [[maybe_unused]] bool stitchSwapBuffers)\n {\n \tunsigned int embeddedId = buffers.embedded & RPi::MaskID;\n \tunsigned int bayer = buffers.bayer & RPi::MaskID;\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "05/20"
    ]
}