[{"id":4930,"web_url":"https://patchwork.libcamera.org/comment/4930/","msgid":"<5eb05154-271e-e37c-b0e1-aea1de018cbf@ideasonboard.com>","date":"2020-05-28T10:10:31","subject":"Re: [libcamera-devel] [PATCH/RFC 08/11] v4l2: Replace explicit DRM\n\tFourCCs with libcamera formats","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Hi Laurent,\n\nOn 22/05/2020 15:54, Laurent Pinchart wrote:\n> Use the new pixel format constants to replace usage of macros from\n> drm_fourcc.h.\n> \n> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n> ---\n>  src/v4l2/v4l2_camera_proxy.cpp | 27 ++++++++++++++-------------\n>  1 file changed, 14 insertions(+), 13 deletions(-)\n> \n> diff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp\n> index 19e8f6d3b98d..f440882aae00 100644\n> --- a/src/v4l2/v4l2_camera_proxy.cpp\n> +++ b/src/v4l2/v4l2_camera_proxy.cpp\n> @@ -15,6 +15,7 @@\n>  #include <sys/mman.h>\n>  \n>  #include <libcamera/camera.h>\n> +#include <libcamera/formats.h>\n>  #include <libcamera/object.h>\n>  \n>  #include \"libcamera/internal/log.h\"\n> @@ -536,21 +537,21 @@ namespace {\n>  \n>  static const std::array<PixelFormatInfo, 13> pixelFormatInfo = {{\n>  \t/* RGB formats. */\n> -\t{ PixelFormat(DRM_FORMAT_RGB888),\tV4L2_PIX_FMT_BGR24,\t1, {{ { 24, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_BGR888),\tV4L2_PIX_FMT_RGB24,\t1, {{ { 24, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_BGRA8888),\tV4L2_PIX_FMT_ARGB32,\t1, {{ { 32, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> +\t{ formats::RGB888,\tV4L2_PIX_FMT_BGR24,\t1, {{ { 24, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> +\t{ formats::BGR888,\tV4L2_PIX_FMT_RGB24,\t1, {{ { 24, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> +\t{ formats::BGRA8888,\tV4L2_PIX_FMT_ARGB32,\t1, {{ { 32, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n\n\\o/ The table shrinks. That's got to be a good thing too ;-)\n\n>  \t/* YUV packed formats. */\n> -\t{ PixelFormat(DRM_FORMAT_UYVY),\t\tV4L2_PIX_FMT_UYVY,\t1, {{ { 16, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_VYUY),\t\tV4L2_PIX_FMT_VYUY,\t1, {{ { 16, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_YUYV),\t\tV4L2_PIX_FMT_YUYV,\t1, {{ { 16, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_YVYU),\t\tV4L2_PIX_FMT_YVYU,\t1, {{ { 16, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n\nSame comment as on gst regarding the YUV ordering - but I think if they\nwere wrong we'd have seen that by now.\n\nSo,\n\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n\n> +\t{ formats::UYVY,\tV4L2_PIX_FMT_UYVY,\t1, {{ { 16, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> +\t{ formats::VYUY,\tV4L2_PIX_FMT_VYUY,\t1, {{ { 16, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> +\t{ formats::YUYV,\tV4L2_PIX_FMT_YUYV,\t1, {{ { 16, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n> +\t{ formats::YVYU,\tV4L2_PIX_FMT_YVYU,\t1, {{ { 16, 1, 1 }, {  0, 0, 0 }, {  0, 0, 0 } }} },\n>  \t/* YUY planar formats. */\n> -\t{ PixelFormat(DRM_FORMAT_NV12),\t\tV4L2_PIX_FMT_NV12,\t2, {{ {  8, 1, 1 }, { 16, 2, 2 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_NV21),\t\tV4L2_PIX_FMT_NV21,\t2, {{ {  8, 1, 1 }, { 16, 2, 2 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_NV16),\t\tV4L2_PIX_FMT_NV16,\t2, {{ {  8, 1, 1 }, { 16, 2, 1 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_NV61),\t\tV4L2_PIX_FMT_NV61,\t2, {{ {  8, 1, 1 }, { 16, 2, 1 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_NV24),\t\tV4L2_PIX_FMT_NV24,\t2, {{ {  8, 1, 1 }, { 16, 2, 1 }, {  0, 0, 0 } }} },\n> -\t{ PixelFormat(DRM_FORMAT_NV42),\t\tV4L2_PIX_FMT_NV42,\t2, {{ {  8, 1, 1 }, { 16, 1, 1 }, {  0, 0, 0 } }} },\n> +\t{ formats::NV12,\tV4L2_PIX_FMT_NV12,\t2, {{ {  8, 1, 1 }, { 16, 2, 2 }, {  0, 0, 0 } }} },\n> +\t{ formats::NV21,\tV4L2_PIX_FMT_NV21,\t2, {{ {  8, 1, 1 }, { 16, 2, 2 }, {  0, 0, 0 } }} },\n> +\t{ formats::NV16,\tV4L2_PIX_FMT_NV16,\t2, {{ {  8, 1, 1 }, { 16, 2, 1 }, {  0, 0, 0 } }} },\n> +\t{ formats::NV61,\tV4L2_PIX_FMT_NV61,\t2, {{ {  8, 1, 1 }, { 16, 2, 1 }, {  0, 0, 0 } }} },\n> +\t{ formats::NV24,\tV4L2_PIX_FMT_NV24,\t2, {{ {  8, 1, 1 }, { 16, 2, 1 }, {  0, 0, 0 } }} },\n> +\t{ formats::NV42,\tV4L2_PIX_FMT_NV42,\t2, {{ {  8, 1, 1 }, { 16, 1, 1 }, {  0, 0, 0 } }} },\n>  }};\n>  \n>  } /* namespace */\n>","headers":{"Return-Path":"<kieran.bingham@ideasonboard.com>","Received":["from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1279F603D0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 28 May 2020 12:10:35 +0200 (CEST)","from [192.168.0.20]\n\t(cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 844A32A3;\n\tThu, 28 May 2020 12:10:34 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; 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