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{
    "id": 18124,
    "url": "https://patchwork.libcamera.org/api/patches/18124/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/18124/",
    "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": "<20230116002808.16014-8-laurent.pinchart@ideasonboard.com>",
    "date": "2023-01-16T00:28:07",
    "name": "[libcamera-devel,v9,7/8] android: jpeg: Pass StreamBuffer to Encoder::encoder",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "577750b282e7608be052feb804e4b554f7765d17",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/18124/mbox/",
    "series": [
        {
            "id": 3712,
            "url": "https://patchwork.libcamera.org/api/series/3712/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3712",
            "date": "2023-01-16T00:28:00",
            "name": "Add CrOS JEA implementation",
            "version": 9,
            "mbox": "https://patchwork.libcamera.org/series/3712/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/18124/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/18124/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 298A2BD87C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 16 Jan 2023 00:28:21 +0000 (UTC)",
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        ],
        "DKIM-Signature": [
            "v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1673828900;\n\tbh=6Bsg9cgMployM9UcfkXKPXFJldYQPlYqaB0ftDOCHqI=;\n\th=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:\n\tFrom;\n\tb=izzBIIbdKfk3gnaKWBjZkNKzg4bKRyMzLqXwcPbCUasmQs3OQaTC3iNkRNX0+YFBL\n\tVnzVTgexBGGw66W/mGy6CV0bJfvgkMGONZeKKony7XqfIYLRqwKtUjteApPN8vt6uu\n\ttS2MmFmWDywC1TD/WOjCr9cxOb5brbEUeUt3WO7pBOoFhgZbV1tjoIxo09ABN0MT/c\n\t4o7/+SHllQPgkE5kNR+Ca4uxUygxQxVEDhP6hWtah3GttqjCjRyUn5gsmYfkICQguY\n\t5SX0zweUDkTeKwMXpl33IPkkko1IJ2pvuQ1iKNcayMOMAsq1X31y6idwjvz4M3tgvv\n\t9hm3Ou66R3KiA==",
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon, 16 Jan 2023 02:28:07 +0200",
        "Message-Id": "<20230116002808.16014-8-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.38.2",
        "In-Reply-To": "<20230116002808.16014-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20230116002808.16014-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v9 7/8] android: jpeg: Pass StreamBuffer\n\tto Encoder::encoder",
        "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>",
        "From": "Laurent Pinchart via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "Cc": "Harvey Yang <chenghaoyang@chromium.org>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "From: Harvey Yang <chenghaoyang@chromium.org>\n\nTo prepare for support of the JEA encoder in a following commit, which\nwill need to access the buffer_handle_t of the destination buffer, pass\nthe StreamBuffer to the Encoder::encoder() function. As the StreamBuffer\ncontains the source FrameBuffer and the destination Span, drop them from\nthe function arguments and access them directly from the StreamBuffer.\n\nSigned-off-by: Harvey Yang <chenghaoyang@chromium.org>\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Han-Lin Chen <hanlinchen@chromium.org>\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/android/jpeg/encoder.h               |  5 +++--\n src/android/jpeg/encoder_libjpeg.cpp     | 15 ++++++++++-----\n src/android/jpeg/encoder_libjpeg.h       |  3 +--\n src/android/jpeg/post_processor_jpeg.cpp |  3 +--\n 4 files changed, 15 insertions(+), 11 deletions(-)",
    "diff": "diff --git a/src/android/jpeg/encoder.h b/src/android/jpeg/encoder.h\nindex d15f22e67830..d73cafba099d 100644\n--- a/src/android/jpeg/encoder.h\n+++ b/src/android/jpeg/encoder.h\n@@ -12,14 +12,15 @@\n #include <libcamera/framebuffer.h>\n #include <libcamera/stream.h>\n \n+#include \"../camera_request.h\"\n+\n class Encoder\n {\n public:\n \tvirtual ~Encoder() = default;\n \n \tvirtual int configure(const libcamera::StreamConfiguration &cfg) = 0;\n-\tvirtual int encode(const libcamera::FrameBuffer &source,\n-\t\t\t   libcamera::Span<uint8_t> destination,\n+\tvirtual int encode(Camera3RequestDescriptor::StreamBuffer *buffer,\n \t\t\t   libcamera::Span<const uint8_t> exifData,\n \t\t\t   unsigned int quality) = 0;\n \tvirtual int generateThumbnail(const libcamera::FrameBuffer &source,\ndiff --git a/src/android/jpeg/encoder_libjpeg.cpp b/src/android/jpeg/encoder_libjpeg.cpp\nindex 8f4df7899dfd..c2fdc37770e5 100644\n--- a/src/android/jpeg/encoder_libjpeg.cpp\n+++ b/src/android/jpeg/encoder_libjpeg.cpp\n@@ -24,6 +24,8 @@\n #include \"libcamera/internal/formats.h\"\n #include \"libcamera/internal/mapped_framebuffer.h\"\n \n+#include \"../camera_buffer.h\"\n+\n using namespace libcamera;\n \n LOG_DECLARE_CATEGORY(JPEG)\n@@ -76,17 +78,20 @@ int EncoderLibJpeg::configure(const StreamConfiguration &cfg)\n \treturn captureEncoder_.configure(cfg);\n }\n \n-int EncoderLibJpeg::encode(const FrameBuffer &source, Span<uint8_t> dest,\n-\t\t\t   Span<const uint8_t> exifData, unsigned int quality)\n+int EncoderLibJpeg::encode(Camera3RequestDescriptor::StreamBuffer *buffer,\n+\t\t\t   libcamera::Span<const uint8_t> exifData,\n+\t\t\t   unsigned int quality)\n {\n-\tMappedFrameBuffer frame(&source, MappedFrameBuffer::MapFlag::Read);\n+\tMappedFrameBuffer frame(buffer->srcBuffer,\n+\t\t\t\tMappedFrameBuffer::MapFlag::Read);\n \tif (!frame.isValid()) {\n-\t\tLOG(JPEG, Error) << \"Failed to map FrameBuffer: \"\n+\t\tLOG(JPEG, Error) << \"Failed to map FrameBuffer : \"\n \t\t\t\t << strerror(frame.error());\n \t\treturn frame.error();\n \t}\n \n-\treturn captureEncoder_.encode(frame.planes(), dest, exifData, quality);\n+\treturn captureEncoder_.encode(frame.planes(), buffer->dstBuffer->plane(0),\n+\t\t\t\t      exifData, quality);\n }\n \n int EncoderLibJpeg::generateThumbnail(const libcamera::FrameBuffer &source,\ndiff --git a/src/android/jpeg/encoder_libjpeg.h b/src/android/jpeg/encoder_libjpeg.h\nindex 9cff4f1b42e3..d770595a495c 100644\n--- a/src/android/jpeg/encoder_libjpeg.h\n+++ b/src/android/jpeg/encoder_libjpeg.h\n@@ -24,8 +24,7 @@ public:\n \t~EncoderLibJpeg();\n \n \tint configure(const libcamera::StreamConfiguration &cfg) override;\n-\tint encode(const libcamera::FrameBuffer &source,\n-\t\t   libcamera::Span<uint8_t> destination,\n+\tint encode(Camera3RequestDescriptor::StreamBuffer *buffer,\n \t\t   libcamera::Span<const uint8_t> exifData,\n \t\t   unsigned int quality) override;\n \tint generateThumbnail(const libcamera::FrameBuffer &source,\ndiff --git a/src/android/jpeg/post_processor_jpeg.cpp b/src/android/jpeg/post_processor_jpeg.cpp\nindex 5df89383e1af..2a22b4a88f4a 100644\n--- a/src/android/jpeg/post_processor_jpeg.cpp\n+++ b/src/android/jpeg/post_processor_jpeg.cpp\n@@ -146,8 +146,7 @@ void PostProcessorJpeg::process(Camera3RequestDescriptor::StreamBuffer *streamBu\n \tconst uint8_t quality = ret ? *entry.data.u8 : 95;\n \tresultMetadata->addEntry(ANDROID_JPEG_QUALITY, quality);\n \n-\tint jpeg_size = encoder_->encode(source, destination->plane(0),\n-\t\t\t\t\t exif.data(), quality);\n+\tint jpeg_size = encoder_->encode(streamBuffer, exif.data(), quality);\n \tif (jpeg_size < 0) {\n \t\tLOG(JPEG, Error) << \"Failed to encode stream image\";\n \t\tprocessComplete.emit(streamBuffer, PostProcessor::Status::Error);\n",
    "prefixes": [
        "libcamera-devel",
        "v9",
        "7/8"
    ]
}