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{
    "id": 11046,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/11046/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/11046/",
    "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": "",
        "scm_url": "",
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    },
    "msgid": "<20210128224217.2919790-2-hiroh@chromium.org>",
    "date": "2021-01-28T22:42:15",
    "name": "[libcamera-devel,v3,1/2] android: post_processor: Change the type destination in process()",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "f09422478fa9e925210039af35479d48041c006f",
    "submitter": {
        "id": 63,
        "url": "https://patchwork.libcamera.org/api/1.1/people/63/?format=api",
        "name": "Hirokazu Honda",
        "email": "hiroh@chromium.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/11046/mbox/",
    "series": [
        {
            "id": 1622,
            "url": "https://patchwork.libcamera.org/api/1.1/series/1622/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1622",
            "date": "2021-01-28T22:42:14",
            "name": "Introduce post processor using libyuv",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/1622/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/11046/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/11046/checks/",
    "tags": {},
    "headers": {
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        "From": "Hirokazu Honda <hiroh@chromium.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu, 28 Jan 2021 22:42:15 +0000",
        "Message-Id": "<20210128224217.2919790-2-hiroh@chromium.org>",
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        "In-Reply-To": "<20210128224217.2919790-1-hiroh@chromium.org>",
        "References": "<20210128224217.2919790-1-hiroh@chromium.org>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH v3 1/2] android: post_processor: Change\n\tthe type destination in process()",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
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        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "The type of the destination buffer in PostProcessor::process() is\nlibcamera::Span. libcamera::Span is used for one dimension buffer\n(e.g. blob buffer). The destination can be multiple dimensions\nbuffer (e.g. yuv frame). Therefore, this changes the type of the\ndestination buffer to MappedFrameBuffer.\n\nSigned-off-by: Hirokazu Honda <hiroh@chromium.org>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n\n---\n src/android/camera_stream.cpp            | 4 ++--\n src/android/camera_stream.h              | 6 ++++--\n src/android/jpeg/post_processor_jpeg.cpp | 6 +++---\n src/android/jpeg/post_processor_jpeg.h   | 2 +-\n src/android/post_processor.h             | 7 ++++---\n 5 files changed, 14 insertions(+), 11 deletions(-)\n\n--\n2.30.0.365.g02bc693789-goog",
    "diff": "diff --git a/src/android/camera_stream.cpp b/src/android/camera_stream.cpp\nindex 4c8020e5..611ec0d1 100644\n--- a/src/android/camera_stream.cpp\n+++ b/src/android/camera_stream.cpp\n@@ -96,14 +96,14 @@ int CameraStream::configure()\n }\n\n int CameraStream::process(const libcamera::FrameBuffer &source,\n-\t\t\t  MappedCamera3Buffer *dest,\n+\t\t\t  libcamera::MappedBuffer *destination,\n \t\t\t  const CameraMetadata &requestMetadata,\n \t\t\t  CameraMetadata *resultMetadata)\n {\n \tif (!postProcessor_)\n \t\treturn 0;\n\n-\treturn postProcessor_->process(source, dest->maps()[0],\n+\treturn postProcessor_->process(source, destination,\n \t\t\t\t       requestMetadata, resultMetadata);\n }\n\ndiff --git a/src/android/camera_stream.h b/src/android/camera_stream.h\nindex 298ffbf6..73bac0ba 100644\n--- a/src/android/camera_stream.h\n+++ b/src/android/camera_stream.h\n@@ -19,9 +19,10 @@\n #include <libcamera/geometry.h>\n #include <libcamera/pixel_format.h>\n\n+#include <libcamera/internal/buffer.h>\n+\n class CameraDevice;\n class CameraMetadata;\n-class MappedCamera3Buffer;\n class PostProcessor;\n\n class CameraStream\n@@ -119,9 +120,10 @@ public:\n\n \tint configure();\n \tint process(const libcamera::FrameBuffer &source,\n-\t\t    MappedCamera3Buffer *dest,\n+\t\t    libcamera::MappedBuffer *destination,\n \t\t    const CameraMetadata &requestMetadata,\n \t\t    CameraMetadata *resultMetadata);\n+\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 cac0087b..74e81c6f 100644\n--- a/src/android/jpeg/post_processor_jpeg.cpp\n+++ b/src/android/jpeg/post_processor_jpeg.cpp\n@@ -83,7 +83,7 @@ void PostProcessorJpeg::generateThumbnail(const FrameBuffer &source,\n }\n\n int PostProcessorJpeg::process(const FrameBuffer &source,\n-\t\t\t       Span<uint8_t> destination,\n+\t\t\t       libcamera::MappedBuffer *destination,\n \t\t\t       const CameraMetadata &requestMetadata,\n \t\t\t       CameraMetadata *resultMetadata)\n {\n@@ -171,8 +171,8 @@ int PostProcessorJpeg::process(const FrameBuffer &source,\n \tret = requestMetadata.getEntry(ANDROID_JPEG_QUALITY, &entry);\n \tconst uint8_t quality = ret ? *entry.data.u8 : 95;\n \tresultMetadata->addEntry(ANDROID_JPEG_QUALITY, &quality, 1);\n+\tint jpeg_size = encoder_->encode(source, destination->maps()[0], exif.data(), quality);\n\n-\tint jpeg_size = encoder_->encode(source, destination, exif.data(), quality);\n \tif (jpeg_size < 0) {\n \t\tLOG(JPEG, Error) << \"Failed to encode stream image\";\n \t\treturn jpeg_size;\n@@ -190,7 +190,7 @@ int PostProcessorJpeg::process(const FrameBuffer &source,\n \t * \\todo Investigate if the buffer size mismatch is an issue or\n \t * expected behaviour.\n \t */\n-\tuint8_t *resultPtr = destination.data() +\n+\tuint8_t *resultPtr = destination->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);\ndiff --git a/src/android/jpeg/post_processor_jpeg.h b/src/android/jpeg/post_processor_jpeg.h\nindex d2dfa450..7689de73 100644\n--- a/src/android/jpeg/post_processor_jpeg.h\n+++ b/src/android/jpeg/post_processor_jpeg.h\n@@ -25,7 +25,7 @@ public:\n \tint configure(const libcamera::StreamConfiguration &incfg,\n \t\t      const libcamera::StreamConfiguration &outcfg) override;\n \tint process(const libcamera::FrameBuffer &source,\n-\t\t    libcamera::Span<uint8_t> destination,\n+\t\t    libcamera::MappedBuffer *destination,\n \t\t    const CameraMetadata &requestMetadata,\n \t\t    CameraMetadata *resultMetadata) override;\n\ndiff --git a/src/android/post_processor.h b/src/android/post_processor.h\nindex bda93bb4..f5c99f03 100644\n--- a/src/android/post_processor.h\n+++ b/src/android/post_processor.h\n@@ -8,9 +8,10 @@\n #define __ANDROID_POST_PROCESSOR_H__\n\n #include <libcamera/buffer.h>\n-#include <libcamera/span.h>\n #include <libcamera/stream.h>\n\n+#include <libcamera/internal/buffer.h>\n+\n class CameraMetadata;\n\n class PostProcessor\n@@ -21,9 +22,9 @@ public:\n \tvirtual int configure(const libcamera::StreamConfiguration &inCfg,\n \t\t\t      const libcamera::StreamConfiguration &outCfg) = 0;\n \tvirtual int process(const libcamera::FrameBuffer &source,\n-\t\t\t    libcamera::Span<uint8_t> destination,\n+\t\t\t    libcamera::MappedBuffer *destination,\n \t\t\t    const CameraMetadata &requestMetadata,\n-\t\t\t    CameraMetadata *resultMetadata) = 0;\n+\t\t\t    CameraMetadata *metadata) = 0;\n };\n\n #endif /* __ANDROID_POST_PROCESSOR_H__ */\n",
    "prefixes": [
        "libcamera-devel",
        "v3",
        "1/2"
    ]
}