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{
    "id": 13870,
    "url": "https://patchwork.libcamera.org/api/patches/13870/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/13870/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20210920173752.1346190-7-umang.jain@ideasonboard.com>",
    "date": "2021-09-20T17:37:48",
    "name": "[libcamera-devel,v3,06/10] android: camera_stream: Plumb process() with Camera3RequestDescriptor",
    "commit_ref": null,
    "pull_url": null,
    "state": "rfc",
    "archived": false,
    "hash": "b3dae8e07d20124db3d95ceb972f632d3f8e3757",
    "submitter": {
        "id": 86,
        "url": "https://patchwork.libcamera.org/api/people/86/?format=api",
        "name": "Umang Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "delegate": {
        "id": 12,
        "url": "https://patchwork.libcamera.org/api/users/12/?format=api",
        "username": "uajain",
        "first_name": "Umang",
        "last_name": "Jain",
        "email": "umang.jain@ideasonboard.com"
    },
    "mbox": "https://patchwork.libcamera.org/patch/13870/mbox/",
    "series": [
        {
            "id": 2539,
            "url": "https://patchwork.libcamera.org/api/series/2539/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2539",
            "date": "2021-09-20T17:37:42",
            "name": "Async post processor",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/2539/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/13870/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/13870/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
        "Delivered-To": "parsemail@patchwork.libcamera.org",
        "Received": [
            "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id BB2AFBF01C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 20 Sep 2021 17:38:15 +0000 (UTC)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"YNG17aqv\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1632159492;\n\tbh=MWmXhXrT2ZZjg1SG7A81WLvgNDlDwkV89K89gzYaHwE=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=YNG17aqvCr0iZN1BXcIZXASbM1YYI6qogoSqYnxH9tIZiX1/+Lh3N50tS9WctkIHE\n\t17Y0UM3x1E4Y4n0z3BVdBQIsoPE84H1cABdzZDyck8ugQAKpDwPedlrvpb38jvji67\n\tcJQ7oaCMEm3tYM1A+LKRIhKlTLDVhMfn7DCzhIzY=",
        "From": "Umang Jain <umang.jain@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon, 20 Sep 2021 23:07:48 +0530",
        "Message-Id": "<20210920173752.1346190-7-umang.jain@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.31.1",
        "In-Reply-To": "<20210920173752.1346190-1-umang.jain@ideasonboard.com>",
        "References": "<20210920173752.1346190-1-umang.jain@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v3 06/10] android: camera_stream: Plumb\n\tprocess() with Camera3RequestDescriptor",
        "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>",
        "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>",
        "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>",
        "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>",
        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Data (or broader context) required for post processing of a camera request\nis saved via Camera3RequestDescriptor. Instead of passing individual\narguments to CameraStream::process(), pass the Camera3RequestDescriptor\npointer to it. All the arguments necessary to run the post-processor can\nbe accessed from the descriptor.\n\nIn subsequent commits, we will prepare the post-processor to run\nasynchronously. Hence, it will require the Camera3RequestDescriptor\npointer to be emitted back in the post-processing completion handler\nto finally complete the request (i.e. sending the capture results back\nto the framework).\n\nSigned-off-by: Umang Jain <umang.jain@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/android/camera_device.cpp            | 5 ++---\n src/android/camera_stream.cpp            | 5 ++---\n src/android/camera_stream.h              | 5 +++--\n src/android/jpeg/post_processor_jpeg.cpp | 5 +++--\n src/android/jpeg/post_processor_jpeg.h   | 3 +--\n src/android/post_processor.h             | 5 +++--\n src/android/yuv/post_processor_yuv.cpp   | 3 +--\n src/android/yuv/post_processor_yuv.h     | 3 +--\n 8 files changed, 16 insertions(+), 18 deletions(-)",
    "diff": "diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\nindex 1ae4ac73..fa462368 100644\n--- a/src/android/camera_device.cpp\n+++ b/src/android/camera_device.cpp\n@@ -1150,9 +1150,8 @@ void CameraDevice::requestComplete(Request *request)\n \t\t\tcontinue;\n \t\t}\n \n-\t\tint ret = cameraStream->process(src, *buffer.buffer,\n-\t\t\t\t\t\tdescriptor->settings_,\n-\t\t\t\t\t\tdescriptor->resultMetadata_.get());\n+\t\tint ret = cameraStream->process(src, *buffer.buffer, descriptor);\n+\n \t\t/*\n \t\t * Return the FrameBuffer to the CameraStream now that we're\n \t\t * done processing it.\ndiff --git a/src/android/camera_stream.cpp b/src/android/camera_stream.cpp\nindex 0fed5382..d494f5d5 100644\n--- a/src/android/camera_stream.cpp\n+++ b/src/android/camera_stream.cpp\n@@ -100,8 +100,7 @@ int CameraStream::configure()\n \n int CameraStream::process(const FrameBuffer *source,\n \t\t\t  buffer_handle_t camera3Dest,\n-\t\t\t  const CameraMetadata &requestMetadata,\n-\t\t\t  CameraMetadata *resultMetadata)\n+\t\t\t  Camera3RequestDescriptor *request)\n {\n \tif (!postProcessor_)\n \t\treturn 0;\n@@ -118,7 +117,7 @@ int CameraStream::process(const FrameBuffer *source,\n \t\treturn -EINVAL;\n \t}\n \n-\treturn postProcessor_->process(source, &dest, requestMetadata, resultMetadata);\n+\treturn postProcessor_->process(source, &dest, request);\n }\n \n FrameBuffer *CameraStream::getBuffer()\ndiff --git a/src/android/camera_stream.h b/src/android/camera_stream.h\nindex 5c232cb6..68789700 100644\n--- a/src/android/camera_stream.h\n+++ b/src/android/camera_stream.h\n@@ -23,6 +23,8 @@ class CameraDevice;\n class CameraMetadata;\n class PostProcessor;\n \n+struct Camera3RequestDescriptor;\n+\n class CameraStream\n {\n public:\n@@ -120,8 +122,7 @@ public:\n \tint configure();\n \tint process(const libcamera::FrameBuffer *source,\n \t\t    buffer_handle_t camera3Dest,\n-\t\t    const CameraMetadata &requestMetadata,\n-\t\t    CameraMetadata *resultMetadata);\n+\t\t    Camera3RequestDescriptor *request);\n \tlibcamera::FrameBuffer *getBuffer();\n \tvoid putBuffer(libcamera::FrameBuffer *buffer);\n \ndiff --git a/src/android/jpeg/post_processor_jpeg.cpp b/src/android/jpeg/post_processor_jpeg.cpp\nindex cb45f86b..31f68330 100644\n--- a/src/android/jpeg/post_processor_jpeg.cpp\n+++ b/src/android/jpeg/post_processor_jpeg.cpp\n@@ -99,14 +99,15 @@ void PostProcessorJpeg::generateThumbnail(const FrameBuffer *source,\n \n int PostProcessorJpeg::process(const FrameBuffer *source,\n \t\t\t       CameraBuffer *destination,\n-\t\t\t       const CameraMetadata &requestMetadata,\n-\t\t\t       CameraMetadata *resultMetadata)\n+\t\t\t       Camera3RequestDescriptor *request)\n {\n \tif (!encoder_)\n \t\treturn 0;\n \n \tASSERT(destination->numPlanes() == 1);\n \n+\tconst CameraMetadata &requestMetadata = request->settings_;\n+\tCameraMetadata *resultMetadata = request->resultMetadata_.get();\n \tcamera_metadata_ro_entry_t entry;\n \tint ret;\n \ndiff --git a/src/android/jpeg/post_processor_jpeg.h b/src/android/jpeg/post_processor_jpeg.h\nindex c4b2e9ef..d49c8d2b 100644\n--- a/src/android/jpeg/post_processor_jpeg.h\n+++ b/src/android/jpeg/post_processor_jpeg.h\n@@ -24,8 +24,7 @@ public:\n \t\t      const libcamera::StreamConfiguration &outcfg) override;\n \tint process(const libcamera::FrameBuffer *source,\n \t\t    CameraBuffer *destination,\n-\t\t    const CameraMetadata &requestMetadata,\n-\t\t    CameraMetadata *resultMetadata) override;\n+\t\t    Camera3RequestDescriptor *request) override;\n \n private:\n \tvoid generateThumbnail(const libcamera::FrameBuffer *source,\ndiff --git a/src/android/post_processor.h b/src/android/post_processor.h\nindex 61dfb6d4..bdd6afe7 100644\n--- a/src/android/post_processor.h\n+++ b/src/android/post_processor.h\n@@ -14,6 +14,8 @@\n \n class CameraMetadata;\n \n+struct Camera3RequestDescriptor;\n+\n class PostProcessor\n {\n public:\n@@ -23,8 +25,7 @@ public:\n \t\t\t      const libcamera::StreamConfiguration &outCfg) = 0;\n \tvirtual int process(const libcamera::FrameBuffer *source,\n \t\t\t    CameraBuffer *destination,\n-\t\t\t    const CameraMetadata &requestMetadata,\n-\t\t\t    CameraMetadata *resultMetadata) = 0;\n+\t\t\t    Camera3RequestDescriptor *request) = 0;\n };\n \n #endif /* __ANDROID_POST_PROCESSOR_H__ */\ndiff --git a/src/android/yuv/post_processor_yuv.cpp b/src/android/yuv/post_processor_yuv.cpp\nindex 0a874886..5e18caee 100644\n--- a/src/android/yuv/post_processor_yuv.cpp\n+++ b/src/android/yuv/post_processor_yuv.cpp\n@@ -51,8 +51,7 @@ int PostProcessorYuv::configure(const StreamConfiguration &inCfg,\n \n int PostProcessorYuv::process(const FrameBuffer *source,\n \t\t\t      CameraBuffer *destination,\n-\t\t\t      [[maybe_unused]] const CameraMetadata &requestMetadata,\n-\t\t\t      [[maybe_unused]] CameraMetadata *metadata)\n+\t\t\t      [[maybe_unused]] Camera3RequestDescriptor *request)\n {\n \tif (!isValidBuffers(source, *destination))\n \t\treturn -EINVAL;\ndiff --git a/src/android/yuv/post_processor_yuv.h b/src/android/yuv/post_processor_yuv.h\nindex 44a04113..eddd1086 100644\n--- a/src/android/yuv/post_processor_yuv.h\n+++ b/src/android/yuv/post_processor_yuv.h\n@@ -22,8 +22,7 @@ public:\n \t\t      const libcamera::StreamConfiguration &outcfg) override;\n \tint process(const libcamera::FrameBuffer *source,\n \t\t    CameraBuffer *destination,\n-\t\t    const CameraMetadata &requestMetadata,\n-\t\t    CameraMetadata *metadata) override;\n+\t\t    Camera3RequestDescriptor *context) override;\n \n private:\n \tbool isValidBuffers(const libcamera::FrameBuffer *source,\n",
    "prefixes": [
        "libcamera-devel",
        "v3",
        "06/10"
    ]
}