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    "id": 21048,
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    "msgid": "<20240829195703.1456614-1-chenghaoyang@chromium.org>",
    "date": "2024-08-29T19:47:39",
    "name": "[v10,0/7] Add VirtualPipelineHandler",
    "submitter": {
        "id": 117,
        "url": "https://patchwork.libcamera.org/api/people/117/?format=api",
        "name": "Cheng-Hao Yang",
        "email": "chenghaoyang@chromium.org"
    },
    "mbox": "https://patchwork.libcamera.org/cover/21048/mbox/",
    "series": [
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            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4547",
            "date": "2024-08-29T19:47:39",
            "name": "Add VirtualPipelineHandler",
            "version": 10,
            "mbox": "https://patchwork.libcamera.org/series/4547/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/covers/21048/comments/",
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        "From": "Harvey Yang <chenghaoyang@chromium.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Harvey Yang <chenghaoyang@chromium.org>",
        "Subject": "[PATCH v10 0/7] Add VirtualPipelineHandler",
        "Date": "Thu, 29 Aug 2024 19:47:39 +0000",
        "Message-ID": "<20240829195703.1456614-1-chenghaoyang@chromium.org>",
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        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Hi all,\n\nThis series adds virtual pipeline handler, which doesn't depend on any\nhardware, like camera sensor or ISP. Currently the configuration\nsupports test patterns and images.\n\nIt passed the gitlab pipeline:\nhttps://gitlab.freedesktop.org/chenghaoyang/libcamera/-/pipelines/1260567\n\nI failed to pass multi_stream_test when trying to enable multiple\nstreams though. Please give me some hints what it tests and what I\nmissed:\n```\n[295:43:43.910237144] [1441841]  INFO IPAManager ipa_manager.cpp:137 libcamera is not installed. Adding '/usr/local/google/home/chenghaoyang/Workspace/libca\nmera/build/src/ipa' to the IPA search path\n[295:43:43.914030564] [1441841]  INFO Camera camera_manager.cpp:325 libcamera v0.3.1+79-8ca4f033-dirty (2024-08-29T19:18:51UTC)\n[295:43:43.915493754] [1441844] ERROR DmaBufAllocator dma_buf_allocator.cpp:120 Could not open any dma-buf provider\n[295:43:43.919118835] [1441841]  INFO IPAManager ipa_manager.cpp:137 libcamera is not installed. Adding '/usr/local/google/home/chenghaoyang/Workspace/libca\nmera/build/src/ipa' to the IPA search path\n[295:43:43.922245825] [1441841]  INFO Camera camera_manager.cpp:325 libcamera v0.3.1+79-8ca4f033-dirty (2024-08-29T19:18:51UTC)\n[295:43:43.922820175] [1441846] ERROR DmaBufAllocator dma_buf_allocator.cpp:120 Could not open any dma-buf provider\nUnable to set the pipeline to the playing state.\n```\n\nGitlab pipeline failure:\nhttps://gitlab.freedesktop.org/chenghaoyang/libcamera/-/pipelines/1260412\n\n\nUpdate in v10:\nApply fixes according to Jacopo's and Barnabás' comments.\n- Split test_pattern and path fields in the yaml format.\n- Let FrameGenerators control frameCount_.\n- Fixed match() returning values.\n\nUpdate in v9: Allocate contiguous memory for planes in the same\nFrameBuffer.\n\nBR,\nHarvey\n\nHarvey Yang (4):\n  libcamera: add DmaBufAllocator::exportBuffers()\n  libcamera: Remove PipelineHandler Fatal check of non-empty\n    MediaDevices\n  libcamera: virtual: Add VirtualPipelineHandler\n  libcamera: software_isp: Refactor SoftwareIsp to use\n    DmaBufAllocator::exportBuffers\n\nKonami Shu (3):\n  libcamera: pipeline: Add test pattern for VirtualPipelineHandler\n  libcamera: virtual: Read config and register cameras based on the\n    config\n  libcamera: virtual: Add ImageFrameGenerator\n\n .../libcamera/internal/dma_buf_allocator.h    |  12 +\n meson.build                                   |   1 +\n meson_options.txt                             |   3 +-\n src/android/meson.build                       |  19 --\n src/libcamera/dma_buf_allocator.cpp           |  55 +++\n src/libcamera/pipeline/virtual/README.md      |  50 +++\n .../pipeline/virtual/data/virtual.yaml        |  37 ++\n .../pipeline/virtual/frame_generator.h        |  28 ++\n .../virtual/image_frame_generator.cpp         | 179 ++++++++++\n .../pipeline/virtual/image_frame_generator.h  |  54 +++\n src/libcamera/pipeline/virtual/meson.build    |  13 +\n src/libcamera/pipeline/virtual/parser.cpp     | 251 ++++++++++++++\n src/libcamera/pipeline/virtual/parser.h       |  44 +++\n .../virtual/test_pattern_generator.cpp        | 140 ++++++++\n .../pipeline/virtual/test_pattern_generator.h |  57 ++++\n src/libcamera/pipeline/virtual/utils.h        |  17 +\n src/libcamera/pipeline/virtual/virtual.cpp    | 317 ++++++++++++++++++\n src/libcamera/pipeline/virtual/virtual.h      | 107 ++++++\n src/libcamera/pipeline_handler.cpp            |  11 +-\n src/libcamera/software_isp/software_isp.cpp   |  20 +-\n src/meson.build                               |  19 ++\n 21 files changed, 1392 insertions(+), 42 deletions(-)\n create mode 100644 src/libcamera/pipeline/virtual/README.md\n create mode 100644 src/libcamera/pipeline/virtual/data/virtual.yaml\n create mode 100644 src/libcamera/pipeline/virtual/frame_generator.h\n create mode 100644 src/libcamera/pipeline/virtual/image_frame_generator.cpp\n create mode 100644 src/libcamera/pipeline/virtual/image_frame_generator.h\n create mode 100644 src/libcamera/pipeline/virtual/meson.build\n create mode 100644 src/libcamera/pipeline/virtual/parser.cpp\n create mode 100644 src/libcamera/pipeline/virtual/parser.h\n create mode 100644 src/libcamera/pipeline/virtual/test_pattern_generator.cpp\n create mode 100644 src/libcamera/pipeline/virtual/test_pattern_generator.h\n create mode 100644 src/libcamera/pipeline/virtual/utils.h\n create mode 100644 src/libcamera/pipeline/virtual/virtual.cpp\n create mode 100644 src/libcamera/pipeline/virtual/virtual.h"
}