[PATCH v2] utils: v4l2-ctl: support V4L2_CAP_IO_MC in v4l2-ctl '--list-formats-*' commands
Hans Verkuil
hverkuil at xs4all.nl
Wed Aug 26 10:20:55 EDT 2020
On 25/08/2020 16:08, Dafna Hirschfeld wrote:
> Add optional <mbus_code> arg to 'v4l2-ctl --list-formats-*'
> commands for capture, metadata and output devices.
> If <mbus_code> is given and the device has capability
> V4L2_CAP_IO_MC then list only the formats that matches the
> mbus code.
> The mbus_code is ignored for devices that don't use it
> or don't have the V4L2_CAP_IO_MC capability.
>
> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld at collabora.com>
> ---
> changes since v1: fixes according to comments from Hans
>
> utils/common/cv4l-helpers.h | 3 ++-
> utils/v4l2-ctl/v4l2-ctl-meta.cpp | 20 ++++++++++++++++----
> utils/v4l2-ctl/v4l2-ctl-overlay.cpp | 2 +-
> utils/v4l2-ctl/v4l2-ctl-sdr.cpp | 4 ++--
> utils/v4l2-ctl/v4l2-ctl-vidcap.cpp | 23 ++++++++++++++++++-----
> utils/v4l2-ctl/v4l2-ctl-vidout.cpp | 22 ++++++++++++++++------
> utils/v4l2-ctl/v4l2-ctl.cpp | 26 ++++++++++++++++----------
> utils/v4l2-ctl/v4l2-ctl.h | 4 ++--
> 8 files changed, 73 insertions(+), 31 deletions(-)
>
> diff --git a/utils/common/cv4l-helpers.h b/utils/common/cv4l-helpers.h
> index 6295054a..3cee372b 100644
> --- a/utils/common/cv4l-helpers.h
> +++ b/utils/common/cv4l-helpers.h
> @@ -483,12 +483,13 @@ public:
> return cv4l_ioctl(VIDIOC_ENUM_DV_TIMINGS, &timings);
> }
>
> - int enum_fmt(v4l2_fmtdesc &fmt, bool init = false, int index = 0, unsigned type = 0)
> + int enum_fmt(v4l2_fmtdesc &fmt, bool init = false, int index = 0, unsigned type = 0, __u32 mbus_code = 0)
> {
> if (init) {
> memset(&fmt, 0, sizeof(fmt));
> fmt.type = type ? type : g_type();
> fmt.index = index;
> + fmt.mbus_code = mbus_code;
> } else {
> fmt.index++;
> }
> diff --git a/utils/v4l2-ctl/v4l2-ctl-meta.cpp b/utils/v4l2-ctl/v4l2-ctl-meta.cpp
> index b4c7bb89..3382c631 100644
> --- a/utils/v4l2-ctl/v4l2-ctl-meta.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl-meta.cpp
> @@ -18,11 +18,15 @@
> #include "v4l2-ctl.h"
>
> static struct v4l2_format vfmt; /* set_format/get_format */
> +static unsigned mbus_code;
>
> void meta_usage()
> {
> printf("\nMetadata Formats options:\n"
> - " --list-formats-meta display supported metadata capture formats [VIDIOC_ENUM_FMT]\n"
> + " --list-formats-meta [<mbus_code>] display supported metadata capture formats.\n"
> + " <mbus_code> is an optional media bus code, if the driver has\n"
> + " capability V4L2_CAP_IO_MC then only formats that support this\n"
> + " media bus code are listed [VIDIOC_ENUM_FMT]\n"
> " --get-fmt-meta query the metadata capture format [VIDIOC_G_FMT]\n"
> " --set-fmt-meta <f> set the metadata capture format [VIDIOC_S_FMT]\n"
> " parameter is either the format index as reported by\n"
> @@ -30,7 +34,10 @@ void meta_usage()
> " --try-fmt-meta <f> try the metadata capture format [VIDIOC_TRY_FMT]\n"
> " parameter is either the format index as reported by\n"
> " --list-formats-meta, or the fourcc value as a string\n"
> - " --list-formats-meta-out display supported metadata output formats [VIDIOC_ENUM_FMT]\n"
> + " --list-formats-meta-out [<mbus_code>] display supported metadata output formats.\n"
> + " <mbus_code> is an optional media bus code, if the driver has\n"
> + " capability V4L2_CAP_IO_MC then only formats that support this\n"
> + " media bus code are listed [VIDIOC_ENUM_FMT]\n"
> " --get-fmt-meta-out query the metadata output format [VIDIOC_G_FMT]\n"
> " --set-fmt-meta-out <f> set the metadata output format [VIDIOC_S_FMT]\n"
> " parameter is either the format index as reported by\n"
> @@ -58,6 +65,11 @@ void meta_cmd(int ch, char *optarg)
> vfmt.fmt.meta.dataformat = strtol(optarg, 0L, 0);
> }
> break;
> + case OptListMetaFormats:
> + case OptListMetaOutFormats:
> + if(optarg)
Space after 'if'!
> + mbus_code = strtoul(optarg, 0L, 0);
Make two statics: mbus_code and mbus_code_out, one for each buffer type.
> + break;
> }
> }
>
> @@ -120,12 +132,12 @@ void meta_list(cv4l_fd &fd)
> {
> if (options[OptListMetaFormats]) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> - print_video_formats(fd, V4L2_BUF_TYPE_META_CAPTURE);
> + print_video_formats(fd, V4L2_BUF_TYPE_META_CAPTURE, mbus_code);
> }
>
> if (options[OptListMetaOutFormats]) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> - print_video_formats(fd, V4L2_BUF_TYPE_META_OUTPUT);
> + print_video_formats(fd, V4L2_BUF_TYPE_META_OUTPUT, mbus_code);
> }
> }
>
> diff --git a/utils/v4l2-ctl/v4l2-ctl-overlay.cpp b/utils/v4l2-ctl/v4l2-ctl-overlay.cpp
> index 7809a6db..75681332 100644
> --- a/utils/v4l2-ctl/v4l2-ctl-overlay.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl-overlay.cpp
> @@ -539,7 +539,7 @@ void overlay_list(cv4l_fd &fd)
> {
> if (options[OptListOverlayFormats]) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> - print_video_formats(fd, V4L2_BUF_TYPE_VIDEO_OVERLAY);
> + print_video_formats(fd, V4L2_BUF_TYPE_VIDEO_OVERLAY, 0);
> }
> if (options[OptFindFb])
> find_fb(fd.g_fd());
> diff --git a/utils/v4l2-ctl/v4l2-ctl-sdr.cpp b/utils/v4l2-ctl/v4l2-ctl-sdr.cpp
> index 7a36341a..5b724696 100644
> --- a/utils/v4l2-ctl/v4l2-ctl-sdr.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl-sdr.cpp
> @@ -139,10 +139,10 @@ void sdr_list(cv4l_fd &fd)
> {
> if (options[OptListSdrFormats]) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> - print_video_formats(fd, V4L2_BUF_TYPE_SDR_CAPTURE);
> + print_video_formats(fd, V4L2_BUF_TYPE_SDR_CAPTURE, 0);
> }
> if (options[OptListSdrOutFormats]) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> - print_video_formats(fd, V4L2_BUF_TYPE_SDR_OUTPUT);
> + print_video_formats(fd, V4L2_BUF_TYPE_SDR_OUTPUT, 0);
> }
> }
> diff --git a/utils/v4l2-ctl/v4l2-ctl-vidcap.cpp b/utils/v4l2-ctl/v4l2-ctl-vidcap.cpp
> index 5abab5e7..d0a0d120 100644
> --- a/utils/v4l2-ctl/v4l2-ctl-vidcap.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl-vidcap.cpp
> @@ -23,13 +23,21 @@ static unsigned set_fmts;
> static __u32 width, height, pixfmt, field, flags;
> static __u32 bytesperline[VIDEO_MAX_PLANES];
> static __u32 sizeimage[VIDEO_MAX_PLANES];
> +static unsigned mbus_code;
>
> void vidcap_usage()
> {
> printf("\nVideo Capture Formats options:\n"
> - " --list-formats display supported video formats [VIDIOC_ENUM_FMT]\n"
> - " --list-formats-ext display supported video formats including frame sizes\n"
> - " and intervals\n"
> + " --list-formats [<mbus_code>]\n"
> + " display supported video formats. <mbus_code> is an optional\n"
> + " media bus code, if the driver has capability V4L2_CAP_IO_MC\n"
> + " then only formats that support this media bus code are listed\n"
> + " [VIDIOC_ENUM_FMT]\n"
> + " --list-formats-ext [<mbus_code>]\n"
> + " display supported video formats including frame sizes and intervals\n"
> + " <mbus_code> is an optional media bus code, if the driver has\n"
> + " capability V4L2_CAP_IO_MC then only formats that support this\n"
> + " media bus code are listed [VIDIOC_ENUM_FMT]\n"
> " --list-framesizes <f>\n"
> " list supported framesizes for pixelformat <f>\n"
> " [VIDIOC_ENUM_FRAMESIZES]\n"
> @@ -117,6 +125,11 @@ void vidcap_cmd(int ch, char *optarg)
> std::exit(EXIT_FAILURE);
> }
> break;
> + case OptListFormats:
> + case OptListFormatsExt:
> + if(optarg)
Add space
> + mbus_code = strtoul(optarg, 0L, 0);
Add mbus_code_out, just as with metadata.
> + break;
> case OptListFrameSizes:
> be_pixfmt = strlen(optarg) == 7 && !memcmp(optarg + 4, "-BE", 3);
> if (be_pixfmt || strlen(optarg) == 4) {
> @@ -298,12 +311,12 @@ void vidcap_list(cv4l_fd &fd)
> {
> if (options[OptListFormats]) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> - print_video_formats(fd, vidcap_buftype);
> + print_video_formats(fd, vidcap_buftype, mbus_code);
> }
>
> if (options[OptListFormatsExt]) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> - print_video_formats_ext(fd, vidcap_buftype);
> + print_video_formats_ext(fd, vidcap_buftype, mbus_code);
> }
>
> if (options[OptListFields]) {
> diff --git a/utils/v4l2-ctl/v4l2-ctl-vidout.cpp b/utils/v4l2-ctl/v4l2-ctl-vidout.cpp
> index 5f433a17..563aae45 100644
> --- a/utils/v4l2-ctl/v4l2-ctl-vidout.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl-vidout.cpp
> @@ -21,14 +21,19 @@ static unsigned set_fmts_out;
> static __u32 width, height, pixfmt, field, colorspace, xfer_func, ycbcr, quantization, flags;
> static __u32 bytesperline[VIDEO_MAX_PLANES];
> static __u32 sizeimage[VIDEO_MAX_PLANES];
> +static unsigned mbus_code;
>
> void vidout_usage()
> {
> printf("\nVideo Output Formats options:\n"
> - " --list-formats-out display supported video output formats [VIDIOC_ENUM_FMT]\n"
> - " --list-formats-out-ext\n"
> - " display supported video output formats including frame sizes\n"
> - " and intervals\n"
> + " --list-formats-out [<mbus_code>] display supported video output formats.\n"
> + " <mbus_code> is an optional media bus code, if the driver has\n"
> + " capability V4L2_CAP_IO_MC then only formats that support this\n"
> + " media bus code are listed [VIDIOC_ENUM_FMT]\n"
> + " --list-formats-out-ext [<mbus_code>] display supported video output formats including\n"
> + " frame sizes and intervals. <mbus_code> is an optional media bus code,\n"
> + " if the driver has capability V4L2_CAP_IO_MC then only formats that\n"
> + " support this media bus code are listed [VIDIOC_ENUM_FMT]\n"
> " --list-fields-out list supported fields for the current output format\n"
> " -X, --get-fmt-video-out\n"
> " query the video output format [VIDIOC_G_FMT]\n"
> @@ -103,6 +108,11 @@ void vidout_cmd(int ch, char *optarg)
> std::exit(EXIT_FAILURE);
> }
> break;
> + case OptListOutFormats:
> + case OptListOutFormatsExt:
> + if(optarg)
> + mbus_code = strtoul(optarg, 0L, 0);
Ditto.
> + break;
> }
> }
>
> @@ -233,12 +243,12 @@ void vidout_list(cv4l_fd &fd)
> {
> if (options[OptListOutFormats]) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> - print_video_formats(fd, vidout_buftype);
> + print_video_formats(fd, vidout_buftype, mbus_code);
> }
>
> if (options[OptListOutFormatsExt]) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> - print_video_formats_ext(fd, vidout_buftype);
> + print_video_formats_ext(fd, vidout_buftype, mbus_code);
> }
>
> if (options[OptListOutFields]) {
> diff --git a/utils/v4l2-ctl/v4l2-ctl.cpp b/utils/v4l2-ctl/v4l2-ctl.cpp
> index a31b29f8..c01ee883 100644
> --- a/utils/v4l2-ctl/v4l2-ctl.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl.cpp
> @@ -114,18 +114,18 @@ static struct option long_options[] = {
> {"get-freq", no_argument, 0, OptGetFreq},
> {"set-freq", required_argument, 0, OptSetFreq},
> {"list-standards", no_argument, 0, OptListStandards},
> - {"list-formats", no_argument, 0, OptListFormats},
> - {"list-formats-ext", no_argument, 0, OptListFormatsExt},
> + {"list-formats", optional_argument, 0, OptListFormats},
> + {"list-formats-ext", optional_argument, 0, OptListFormatsExt},
> {"list-fields", no_argument, 0, OptListFields},
> {"list-framesizes", required_argument, 0, OptListFrameSizes},
> {"list-frameintervals", required_argument, 0, OptListFrameIntervals},
> {"list-formats-overlay", no_argument, 0, OptListOverlayFormats},
> {"list-formats-sdr", no_argument, 0, OptListSdrFormats},
> {"list-formats-sdr-out", no_argument, 0, OptListSdrOutFormats},
> - {"list-formats-out", no_argument, 0, OptListOutFormats},
> - {"list-formats-out-ext", no_argument, 0, OptListOutFormatsExt},
> - {"list-formats-meta", no_argument, 0, OptListMetaFormats},
> - {"list-formats-meta-out", no_argument, 0, OptListMetaOutFormats},
> + {"list-formats-out", optional_argument, 0, OptListOutFormats},
> + {"list-formats-out-ext", optional_argument, 0, OptListOutFormatsExt},
> + {"list-formats-meta", optional_argument, 0, OptListMetaFormats},
> + {"list-formats-meta-out", optional_argument, 0, OptListMetaOutFormats},
> {"list-subdev-mbus-codes", optional_argument, 0, OptListSubDevMBusCodes},
> {"list-subdev-framesizes", required_argument, 0, OptListSubDevFrameSizes},
> {"list-subdev-frameintervals", required_argument, 0, OptListSubDevFrameIntervals},
> @@ -612,13 +612,16 @@ void print_frmival(const struct v4l2_frmivalenum &frmival, const char *prefix)
> }
> }
>
> -void print_video_formats(cv4l_fd &fd, __u32 type)
> +void print_video_formats(cv4l_fd &fd, __u32 type, unsigned int mbus_code)
> {
> cv4l_disable_trace dt(fd);
> struct v4l2_fmtdesc fmt = {};
>
> + if (mbus_code && !(capabilities & V4L2_CAP_IO_MC))
> + mbus_code = 0;
> +
> printf("\tType: %s\n\n", buftype2s(type).c_str());
> - if (fd.enum_fmt(fmt, true, 0, type))
> + if (fd.enum_fmt(fmt, true, 0, type, mbus_code))
> return;
> do {
> printf("\t[%d]: '%s' (%s", fmt.index, fcc2s(fmt.pixelformat).c_str(),
> @@ -629,15 +632,18 @@ void print_video_formats(cv4l_fd &fd, __u32 type)
> } while (!fd.enum_fmt(fmt));
> }
>
> -void print_video_formats_ext(cv4l_fd &fd, __u32 type)
> +void print_video_formats_ext(cv4l_fd &fd, __u32 type, unsigned int mbus_code)
> {
> cv4l_disable_trace dt(fd);
> struct v4l2_fmtdesc fmt = {};
> struct v4l2_frmsizeenum frmsize;
> struct v4l2_frmivalenum frmival;
>
> + if (mbus_code && !(capabilities & V4L2_CAP_IO_MC))
> + mbus_code = 0;
> +
> printf("\tType: %s\n\n", buftype2s(type).c_str());
> - if (fd.enum_fmt(fmt, true, 0, type))
> + if (fd.enum_fmt(fmt, true, 0, type, mbus_code))
> return;
> do {
> printf("\t[%d]: '%s' (%s", fmt.index, fcc2s(fmt.pixelformat).c_str(),
> diff --git a/utils/v4l2-ctl/v4l2-ctl.h b/utils/v4l2-ctl/v4l2-ctl.h
> index 4acb4d51..e906dc73 100644
> --- a/utils/v4l2-ctl/v4l2-ctl.h
> +++ b/utils/v4l2-ctl/v4l2-ctl.h
> @@ -321,8 +321,8 @@ bool valid_pixel_format(int fd, __u32 pixelformat, bool output, bool mplane);
> void print_frmsize(const struct v4l2_frmsizeenum &frmsize, const char *prefix);
> void print_frmival(const struct v4l2_frmivalenum &frmival, const char *prefix);
> void printfmt(int fd, const struct v4l2_format &vfmt);
> -void print_video_formats(cv4l_fd &fd, __u32 type);
> -void print_video_formats_ext(cv4l_fd &fd, __u32 type);
> +void print_video_formats(cv4l_fd &fd, __u32 type, unsigned int mbus_code);
> +void print_video_formats_ext(cv4l_fd &fd, __u32 type, unsigned int mbus_code);
>
> static inline bool subscribe_event(cv4l_fd &fd, __u32 type)
> {
>
Regards,
Hans
More information about the Linux-rockchip
mailing list