Show a patch.

GET /api/patches/9997/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 9997,
    "url": "https://patchwork.libcamera.org/api/patches/9997/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/9997/",
    "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": "<20201007101745.15104-6-jacopo@jmondi.org>",
    "date": "2020-10-07T10:17:37",
    "name": "[libcamera-devel,v3,05/13] android: camera_device: Move processing to CameraStream",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "34496d0c9c953f1e9e0b8b6ff1d8c12a477dd178",
    "submitter": {
        "id": 3,
        "url": "https://patchwork.libcamera.org/api/people/3/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo@jmondi.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/9997/mbox/",
    "series": [
        {
            "id": 1361,
            "url": "https://patchwork.libcamera.org/api/series/1361/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1361",
            "date": "2020-10-07T10:17:32",
            "name": "android: CameraStream rework",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/1361/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/9997/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/9997/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 7765DBEEDF\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed,  7 Oct 2020 10:13:59 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 5174A6049A;\n\tWed,  7 Oct 2020 12:13:59 +0200 (CEST)",
            "from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net\n\t[217.70.183.195])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 5931E60546\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed,  7 Oct 2020 12:13:57 +0200 (CEST)",
            "from uno.lan (93-34-118-233.ip49.fastwebnet.it [93.34.118.233])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay3-d.mail.gandi.net (Postfix) with ESMTPSA id 5FF7060005;\n\tWed,  7 Oct 2020 10:13:56 +0000 (UTC)"
        ],
        "X-Originating-IP": "93.34.118.233",
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Wed,  7 Oct 2020 12:17:37 +0200",
        "Message-Id": "<20201007101745.15104-6-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.28.0",
        "In-Reply-To": "<20201007101745.15104-1-jacopo@jmondi.org>",
        "References": "<20201007101745.15104-1-jacopo@jmondi.org>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH v3 05/13] android: camera_device: Move\n\tprocessing to CameraStream",
        "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>",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Move the JPEG processing procedure to the individual CameraStream\nby augmenting the class with a CameraStream::process() method.\n\nThis allows removing the CameraStream::encoder() method.\n\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/android/camera_device.cpp | 68 ++---------------------------------\n src/android/camera_device.h   |  8 +++++\n src/android/camera_stream.cpp | 63 ++++++++++++++++++++++++++++++++\n src/android/camera_stream.h   |  8 +++--\n 4 files changed, 80 insertions(+), 67 deletions(-)",
    "diff": "diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\nindex 68970eb4a94c..914e66b8f96a 100644\n--- a/src/android/camera_device.cpp\n+++ b/src/android/camera_device.cpp\n@@ -23,9 +23,6 @@\n #include \"camera_metadata.h\"\n #include \"system/graphics.h\"\n \n-#include \"jpeg/encoder_libjpeg.h\"\n-#include \"jpeg/exif.h\"\n-\n using namespace libcamera;\n \n namespace {\n@@ -133,12 +130,6 @@ const std::map<int, const Camera3Format> camera3FormatsMap = {\n \n LOG_DECLARE_CATEGORY(HAL);\n \n-class MappedCamera3Buffer : public MappedBuffer\n-{\n-public:\n-\tMappedCamera3Buffer(const buffer_handle_t camera3buffer, int flags);\n-};\n-\n MappedCamera3Buffer::MappedCamera3Buffer(const buffer_handle_t camera3buffer,\n \t\t\t\t\t int flags)\n {\n@@ -1471,12 +1462,6 @@ void CameraDevice::requestComplete(Request *request)\n \t\tif (cameraStream->camera3Stream().format != HAL_PIXEL_FORMAT_BLOB)\n \t\t\tcontinue;\n \n-\t\tEncoder *encoder = cameraStream->encoder();\n-\t\tif (!encoder) {\n-\t\t\tLOG(HAL, Error) << \"Failed to identify encoder\";\n-\t\t\tcontinue;\n-\t\t}\n-\n \t\tStreamConfiguration *streamConfiguration = &config_->at(cameraStream->index());\n \t\tStream *stream = streamConfiguration->stream();\n \t\tFrameBuffer *buffer = request->findBuffer(stream);\n@@ -1497,59 +1482,12 @@ void CameraDevice::requestComplete(Request *request)\n \t\t\tcontinue;\n \t\t}\n \n-\t\t/* Set EXIF metadata for various tags. */\n-\t\tExif exif;\n-\t\t/* \\todo Set Make and Model from external vendor tags. */\n-\t\texif.setMake(\"libcamera\");\n-\t\texif.setModel(\"cameraModel\");\n-\t\texif.setOrientation(orientation_);\n-\t\texif.setSize(cameraStream->size());\n-\t\t/*\n-\t\t * We set the frame's EXIF timestamp as the time of encode.\n-\t\t * Since the precision we need for EXIF timestamp is only one\n-\t\t * second, it is good enough.\n-\t\t */\n-\t\texif.setTimestamp(std::time(nullptr));\n-\t\tif (exif.generate() != 0)\n-\t\t\tLOG(HAL, Error) << \"Failed to generate valid EXIF data\";\n-\n-\t\tint jpeg_size = encoder->encode(buffer, mapped.maps()[0], exif.data());\n-\t\tif (jpeg_size < 0) {\n-\t\t\tLOG(HAL, Error) << \"Failed to encode stream image\";\n+\t\tint ret = cameraStream->process(*buffer, &mapped,\n+\t\t\t\t\t\tresultMetadata.get());\n+\t\tif (ret) {\n \t\t\tstatus = CAMERA3_BUFFER_STATUS_ERROR;\n \t\t\tcontinue;\n \t\t}\n-\n-\t\t/*\n-\t\t * Fill in the JPEG blob header.\n-\t\t *\n-\t\t * The mapped size of the buffer is being returned as\n-\t\t * substantially larger than the requested JPEG_MAX_SIZE\n-\t\t * (which is referenced from maxJpegBufferSize_). Utilise\n-\t\t * this static size to ensure the correct offset of the blob is\n-\t\t * determined.\n-\t\t *\n-\t\t * \\todo Investigate if the buffer size mismatch is an issue or\n-\t\t * expected behaviour.\n-\t\t */\n-\t\tuint8_t *resultPtr = mapped.maps()[0].data() +\n-\t\t\t\t     maxJpegBufferSize_ -\n-\t\t\t\t     sizeof(struct camera3_jpeg_blob);\n-\t\tauto *blob = reinterpret_cast<struct camera3_jpeg_blob *>(resultPtr);\n-\t\tblob->jpeg_blob_id = CAMERA3_JPEG_BLOB_ID;\n-\t\tblob->jpeg_size = jpeg_size;\n-\n-\t\t/* Update the JPEG result Metadata. */\n-\t\tresultMetadata->addEntry(ANDROID_JPEG_SIZE,\n-\t\t\t\t\t &jpeg_size, 1);\n-\n-\t\tconst uint32_t jpeg_quality = 95;\n-\t\tresultMetadata->addEntry(ANDROID_JPEG_QUALITY,\n-\t\t\t\t\t &jpeg_quality, 1);\n-\n-\t\tconst uint32_t jpeg_orientation = 0;\n-\t\tresultMetadata->addEntry(ANDROID_JPEG_ORIENTATION,\n-\t\t\t\t\t &jpeg_orientation, 1);\n \t}\n \n \t/* Prepare to call back the Android camera stack. */\ndiff --git a/src/android/camera_device.h b/src/android/camera_device.h\nindex 4e326fa3e1fb..826023b453f7 100644\n--- a/src/android/camera_device.h\n+++ b/src/android/camera_device.h\n@@ -20,6 +20,7 @@\n #include <libcamera/request.h>\n #include <libcamera/stream.h>\n \n+#include \"libcamera/internal/buffer.h\"\n #include \"libcamera/internal/log.h\"\n #include \"libcamera/internal/message.h\"\n \n@@ -28,6 +29,12 @@\n \n class CameraMetadata;\n \n+class MappedCamera3Buffer : public libcamera::MappedBuffer\n+{\n+public:\n+\tMappedCamera3Buffer(const buffer_handle_t camera3buffer, int flags);\n+};\n+\n class CameraDevice : protected libcamera::Loggable\n {\n public:\n@@ -50,6 +57,7 @@ public:\n \n \tint facing() const { return facing_; }\n \tint orientation() const { return orientation_; }\n+\tunsigned int maxJpegBufferSize() const { return maxJpegBufferSize_; }\n \n \tvoid setCallbacks(const camera3_callback_ops_t *callbacks);\n \tconst camera_metadata_t *getStaticMetadata();\ndiff --git a/src/android/camera_stream.cpp b/src/android/camera_stream.cpp\nindex b3d345afc61a..e86a7ba60d46 100644\n--- a/src/android/camera_stream.cpp\n+++ b/src/android/camera_stream.cpp\n@@ -8,11 +8,15 @@\n #include \"camera_stream.h\"\n \n #include \"camera_device.h\"\n+#include \"camera_metadata.h\"\n #include \"jpeg/encoder.h\"\n #include \"jpeg/encoder_libjpeg.h\"\n+#include \"jpeg/exif.h\"\n \n using namespace libcamera;\n \n+LOG_DECLARE_CATEGORY(HAL);\n+\n CameraStream::CameraStream(CameraDevice *cameraDevice,\n \t\t\t   camera3_stream_t *camera3Stream,\n \t\t\t   const libcamera::StreamConfiguration &cfg,\n@@ -36,3 +40,62 @@ int CameraStream::configure(const libcamera::StreamConfiguration &cfg)\n \n \treturn 0;\n }\n+\n+int CameraStream::process(const libcamera::FrameBuffer &source,\n+\t\t\t  MappedCamera3Buffer *dest, CameraMetadata *metadata)\n+{\n+\tif (!encoder_)\n+\t\treturn 0;\n+\n+\t/* Set EXIF metadata for various tags. */\n+\tExif exif;\n+\t/* \\todo Set Make and Model from external vendor tags. */\n+\texif.setMake(\"libcamera\");\n+\texif.setModel(\"cameraModel\");\n+\texif.setOrientation(cameraDevice_->orientation());\n+\texif.setSize(size_);\n+\t/*\n+\t * We set the frame's EXIF timestamp as the time of encode.\n+\t * Since the precision we need for EXIF timestamp is only one\n+\t * second, it is good enough.\n+\t */\n+\texif.setTimestamp(std::time(nullptr));\n+\tif (exif.generate() != 0)\n+\t\tLOG(HAL, Error) << \"Failed to generate valid EXIF data\";\n+\n+\tint jpeg_size = encoder_->encode(&source, dest->maps()[0], exif.data());\n+\tif (jpeg_size < 0) {\n+\t\tLOG(HAL, Error) << \"Failed to encode stream image\";\n+\t\treturn jpeg_size;\n+\t}\n+\n+\t/*\n+\t * Fill in the JPEG blob header.\n+\t *\n+\t * The mapped size of the buffer is being returned as\n+\t * substantially larger than the requested JPEG_MAX_SIZE\n+\t * (which is referenced from maxJpegBufferSize_). Utilise\n+\t * this static size to ensure the correct offset of the blob is\n+\t * determined.\n+\t *\n+\t * \\todo Investigate if the buffer size mismatch is an issue or\n+\t * expected behaviour.\n+\t */\n+\tuint8_t *resultPtr = dest->maps()[0].data() +\n+\t\t\t     cameraDevice_->maxJpegBufferSize() -\n+\t\t\t     sizeof(struct camera3_jpeg_blob);\n+\tauto *blob = reinterpret_cast<struct camera3_jpeg_blob *>(resultPtr);\n+\tblob->jpeg_blob_id = CAMERA3_JPEG_BLOB_ID;\n+\tblob->jpeg_size = jpeg_size;\n+\n+\t/* Update the JPEG result Metadata. */\n+\tmetadata->addEntry(ANDROID_JPEG_SIZE, &jpeg_size, 1);\n+\n+\tconst uint32_t jpeg_quality = 95;\n+\tmetadata->addEntry(ANDROID_JPEG_QUALITY, &jpeg_quality, 1);\n+\n+\tconst uint32_t jpeg_orientation = 0;\n+\tmetadata->addEntry(ANDROID_JPEG_ORIENTATION, &jpeg_orientation, 1);\n+\n+\treturn 0;\n+}\ndiff --git a/src/android/camera_stream.h b/src/android/camera_stream.h\nindex ccc822b4980f..d95c2a3831b0 100644\n--- a/src/android/camera_stream.h\n+++ b/src/android/camera_stream.h\n@@ -11,12 +11,15 @@\n \n #include <hardware/camera3.h>\n \n+#include <libcamera/buffer.h>\n #include <libcamera/camera.h>\n #include <libcamera/geometry.h>\n #include <libcamera/pixel_format.h>\n \n-class CameraDevice;\n class Encoder;\n+class CameraDevice;\n+class CameraMetadata;\n+class MappedCamera3Buffer;\n \n class CameraStream\n {\n@@ -113,9 +116,10 @@ public:\n \tconst libcamera::Size &size() const { return size_; }\n \tType type() const { return type_; }\n \tunsigned int index() const { return index_; }\n-\tEncoder *encoder() const { return encoder_.get(); }\n \n \tint configure(const libcamera::StreamConfiguration &cfg);\n+\tint process(const libcamera::FrameBuffer &source,\n+\t\t    MappedCamera3Buffer *dest, CameraMetadata *metadata);\n \n private:\n \tCameraDevice *cameraDevice_;\n",
    "prefixes": [
        "libcamera-devel",
        "v3",
        "05/13"
    ]
}