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{
    "id": 12216,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/12216/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/12216/",
    "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": "",
        "webscm_url": ""
    },
    "msgid": "<20210506180606.43447-1-pnguyen@baylibre.com>",
    "date": "2021-05-06T18:06:06",
    "name": "[libcamera-devel,v2] pipeline: simple: Rework the supportedDevices list",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "f964995be7981ecabe5f0fe81b2194e6aaebdb4f",
    "submitter": {
        "id": 79,
        "url": "https://patchwork.libcamera.org/api/1.1/people/79/?format=api",
        "name": "Phi-bang Nguyen",
        "email": "pnguyen@baylibre.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/12216/mbox/",
    "series": [
        {
            "id": 2006,
            "url": "https://patchwork.libcamera.org/api/1.1/series/2006/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2006",
            "date": "2021-05-06T18:06:06",
            "name": "[libcamera-devel,v2] pipeline: simple: Rework the supportedDevices list",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/2006/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/12216/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/12216/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
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        "From": "Phi-Bang Nguyen <pnguyen@baylibre.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu,  6 May 2021 20:06:06 +0200",
        "Message-Id": "<20210506180606.43447-1-pnguyen@baylibre.com>",
        "X-Mailer": "git-send-email 2.25.1",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH v2] pipeline: simple: Rework the\n\tsupportedDevices list",
        "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\"",
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        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "The supportedDevices may contain entries which have the same driver\nbut different converters. For example, if we add these two entries:\n\n{ \"mtk-seninf\", \"mtk-mdp\", 3 },\n{ \"mtk-seninf\", \"mtk-mdp3\", 3 },\n\nthe simple pipeline handler will always take the first one where it\ncan acquire the driver and skip the rest.\n\nSo, make the changes to support this usecase.\n\nSigned-off-by: Phi-Bang Nguyen <pnguyen@baylibre.com>\n---\n src/libcamera/pipeline/simple/simple.cpp | 30 +++++++++++++++---------\n 1 file changed, 19 insertions(+), 11 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\nindex f6095d38..4c87ec4c 100644\n--- a/src/libcamera/pipeline/simple/simple.cpp\n+++ b/src/libcamera/pipeline/simple/simple.cpp\n@@ -127,16 +127,19 @@ class SimplePipelineHandler;\n \n struct SimplePipelineInfo {\n \tconst char *driver;\n-\tconst char *converter;\n-\tunsigned int numStreams;\n+\t/*\n+\t * Each converter in the list contains the name\n+\t * and the number of streams it supports.\n+\t */\n+\tstd::vector<std::pair<const char *, unsigned int>> converters;\n };\n \n namespace {\n \n static const SimplePipelineInfo supportedDevices[] = {\n-\t{ \"imx7-csi\", \"pxp\", 1 },\n-\t{ \"qcom-camss\", nullptr, 1 },\n-\t{ \"sun6i-csi\", nullptr, 1 },\n+\t{ \"imx7-csi\", { { \"pxp\", 1 } } },\n+\t{ \"qcom-camss\", {} },\n+\t{ \"sun6i-csi\", {} },\n };\n \n } /* namespace */\n@@ -145,7 +148,7 @@ class SimpleCameraData : public CameraData\n {\n public:\n \tSimpleCameraData(SimplePipelineHandler *pipe,\n-\t\t\t const SimplePipelineInfo *info,\n+\t\t\t unsigned int numStreams,\n \t\t\t MediaEntity *sensor);\n \n \tbool isValid() const { return sensor_ != nullptr; }\n@@ -266,9 +269,9 @@ private:\n  */\n \n SimpleCameraData::SimpleCameraData(SimplePipelineHandler *pipe,\n-\t\t\t\t   const SimplePipelineInfo *info,\n+\t\t\t\t   unsigned int numStreams,\n \t\t\t\t   MediaEntity *sensor)\n-\t: CameraData(pipe), streams_(info->numStreams)\n+\t: CameraData(pipe), streams_(numStreams)\n {\n \tint ret;\n \n@@ -934,6 +937,7 @@ bool SimplePipelineHandler::match(DeviceEnumerator *enumerator)\n {\n \tconst SimplePipelineInfo *info = nullptr;\n \tMediaDevice *converter = nullptr;\n+\tunsigned int numStreams = 1;\n \n \tfor (const SimplePipelineInfo &inf : supportedDevices) {\n \t\tDeviceMatch dm(inf.driver);\n@@ -947,9 +951,13 @@ bool SimplePipelineHandler::match(DeviceEnumerator *enumerator)\n \tif (!media_)\n \t\treturn false;\n \n-\tif (info->converter) {\n-\t\tDeviceMatch converterMatch(info->converter);\n+\tfor (const auto &[name, streams] : info->converters) {\n+\t\tDeviceMatch converterMatch(name);\n \t\tconverter = acquireMediaDevice(enumerator, converterMatch);\n+\t\tif (converter) {\n+\t\t\tnumStreams = streams;\n+\t\t\tbreak;\n+\t\t}\n \t}\n \n \t/* Locate the sensors. */\n@@ -983,7 +991,7 @@ bool SimplePipelineHandler::match(DeviceEnumerator *enumerator)\n \n \tfor (MediaEntity *sensor : sensors) {\n \t\tstd::unique_ptr<SimpleCameraData> data =\n-\t\t\tstd::make_unique<SimpleCameraData>(this, info, sensor);\n+\t\t\tstd::make_unique<SimpleCameraData>(this, numStreams, sensor);\n \t\tif (!data->isValid()) {\n \t\t\tLOG(SimplePipeline, Error)\n \t\t\t\t<< \"No valid pipeline for sensor '\"\n",
    "prefixes": [
        "libcamera-devel",
        "v2"
    ]
}