Hi Sakari,
Can you check if this patch is needed at all? The latest v4l2-ctl should work
for both meta capture and output, i.e. all meta options (v4l2-ctl --help-meta)
just look up the buffer type of the video device and use that to
list/set/get/try
the formats.
Regards,
Hans
On 01/14/2019 03:13 PM, Sakari Ailus wrote:
> Add support for META_OUTPUT buffer type to v4l2-ctl.
>
> Signed-off-by: Sakari Ailus <[email protected]>
> ---
> utils/v4l2-ctl/Makefile.am | 3 +-
> utils/v4l2-ctl/v4l2-ctl-common.cpp | 3 +-
> utils/v4l2-ctl/v4l2-ctl-meta-out.cpp | 106
> +++++++++++++++++++++++++++++++++++
> utils/v4l2-ctl/v4l2-ctl-meta.cpp | 19 ++++---
> utils/v4l2-ctl/v4l2-ctl.cpp | 16 ++++++
> utils/v4l2-ctl/v4l2-ctl.h | 13 +++++
> 6 files changed, 150 insertions(+), 10 deletions(-)
> create mode 100644 utils/v4l2-ctl/v4l2-ctl-meta-out.cpp
>
> diff --git a/utils/v4l2-ctl/Makefile.am b/utils/v4l2-ctl/Makefile.am
> index f612e0eee4..2b99a95e41 100644
> --- a/utils/v4l2-ctl/Makefile.am
> +++ b/utils/v4l2-ctl/Makefile.am
> @@ -7,7 +7,8 @@ v4l2_ctl_SOURCES = v4l2-ctl.cpp v4l2-ctl.h
> v4l2-ctl-common.cpp v4l2-ctl-tuner.cp
> v4l2-ctl-overlay.cpp v4l2-ctl-vbi.cpp v4l2-ctl-selection.cpp
> v4l2-ctl-misc.cpp \
> v4l2-ctl-streaming.cpp v4l2-ctl-sdr.cpp v4l2-ctl-edid.cpp
> v4l2-ctl-modes.cpp \
> v4l2-ctl-subdev.cpp v4l2-tpg-colors.c v4l2-tpg-core.c v4l-stream.c
> v4l2-ctl-meta.cpp \
> - media-info.cpp v4l2-info.cpp codec-fwht.c codec-v4l2-fwht.c
> + v4l2-ctl-meta-out.cpp media-info.cpp v4l2-info.cpp codec-fwht.c \
> + codec-v4l2-fwht.c
> v4l2_ctl_CPPFLAGS = -I$(top_srcdir)/utils/common
>
> media-bus-format-names.h: ../../include/linux/media-bus-format.h
> diff --git a/utils/v4l2-ctl/v4l2-ctl-common.cpp
> b/utils/v4l2-ctl/v4l2-ctl-common.cpp
> index e2710335ec..ffe4627498 100644
> --- a/utils/v4l2-ctl/v4l2-ctl-common.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl-common.cpp
> @@ -70,7 +70,8 @@ void common_usage(void)
> " -h, --help display this help message\n"
> " --help-all all options\n"
> " --help-io input/output options\n"
> - " --help-meta metadata format options\n"
> + " --help-meta metadata capture format options\n"
> + " --help-meta-out metadata output format options\n"
> " --help-misc miscellaneous options\n"
> " --help-overlay overlay format options\n"
> " --help-sdr SDR format options\n"
> diff --git a/utils/v4l2-ctl/v4l2-ctl-meta-out.cpp
> b/utils/v4l2-ctl/v4l2-ctl-meta-out.cpp
> new file mode 100644
> index 0000000000..3ffeee0ee5
> --- /dev/null
> +++ b/utils/v4l2-ctl/v4l2-ctl-meta-out.cpp
> @@ -0,0 +1,106 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +
> +#include <unistd.h>
> +#include <stdlib.h>
> +#include <stdio.h>
> +#include <string.h>
> +#include <inttypes.h>
> +#include <getopt.h>
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <fcntl.h>
> +#include <ctype.h>
> +#include <errno.h>
> +#include <sys/ioctl.h>
> +#include <sys/time.h>
> +#include <dirent.h>
> +#include <math.h>
> +
> +#include "v4l2-ctl.h"
> +
> +static struct v4l2_format vfmt; /* set_format/get_format */
> +
> +void meta_out_usage(void)
> +{
> + printf("\nMetadata Output Formats options:\n"
> + " --list-formats-meta-out display supported metadata output
> formats [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"
> + " --list-formats-meta-out, or the
> fourcc value as a string\n"
> + " --try-fmt-meta-out <f> try the metadata output format
> [VIDIOC_TRY_FMT]\n"
> + " parameter is either the format index
> as reported by\n"
> + " --list-formats-meta-out, or the
> fourcc value as a string\n"
> + );
> +}
> +
> +void meta_out_cmd(int ch, char *optarg)
> +{
> + switch (ch) {
> + case OptSetMetaOutFormat:
> + case OptTryMetaOutFormat:
> + if (strlen(optarg) == 0) {
> + meta_out_usage();
> + exit(1);
> + } else if (strlen(optarg) == 4) {
> + vfmt.fmt.meta.dataformat = v4l2_fourcc(optarg[0],
> + optarg[1], optarg[2], optarg[3]);
> + } else {
> + vfmt.fmt.meta.dataformat = strtol(optarg, 0L, 0);
> + }
> + break;
> + }
> +}
> +
> +void meta_out_set(cv4l_fd &_fd)
> +{
> + int fd = _fd.g_fd();
> + int ret;
> +
> + if ((options[OptSetMetaOutFormat] || options[OptTryMetaOutFormat]) &&
> + v4l_type_is_meta(_fd.g_type()) &&
> + v4l_type_is_output(_fd.g_type())) {
> + struct v4l2_format in_vfmt;
> +
> + in_vfmt.type = _fd.g_type();
> + in_vfmt.fmt.meta.dataformat = vfmt.fmt.meta.dataformat;
> +
> + if (in_vfmt.fmt.meta.dataformat < 256) {
> + struct v4l2_fmtdesc fmt;
> +
> + fmt.index = in_vfmt.fmt.meta.dataformat;
> + fmt.type = in_vfmt.type;
> +
> + if (doioctl(fd, VIDIOC_ENUM_FMT, &fmt))
> + fmt.pixelformat = 0;
> +
> + in_vfmt.fmt.meta.dataformat = fmt.pixelformat;
> + }
> +
> + if (options[OptSetMetaFormat])
> + ret = doioctl(fd, VIDIOC_S_FMT, &in_vfmt);
> + else
> + ret = doioctl(fd, VIDIOC_TRY_FMT, &in_vfmt);
> + if (ret == 0 && (verbose || options[OptTryMetaFormat]))
> + printfmt(fd, in_vfmt);
> + }
> +}
> +
> +void meta_out_get(cv4l_fd &fd)
> +{
> + if (options[OptGetMetaOutFormat] && v4l_type_is_meta(fd.g_type()) &&
> + v4l_type_is_output(fd.g_type())) {
> + vfmt.type = fd.g_type();
> + if (doioctl(fd.g_fd(), VIDIOC_G_FMT, &vfmt) == 0)
> + printfmt(fd.g_fd(), vfmt);
> + }
> +}
> +
> +void meta_out_list(cv4l_fd &fd)
> +{
> + if (options[OptListMetaOutFormats] && v4l_type_is_meta(fd.g_type()) &&
> + v4l_type_is_output(fd.g_type())) {
> + printf("ioctl: VIDIOC_ENUM_FMT\n");
> + print_video_formats(fd, fd.g_type());
> + }
> +}
> diff --git a/utils/v4l2-ctl/v4l2-ctl-meta.cpp
> b/utils/v4l2-ctl/v4l2-ctl-meta.cpp
> index 37c91940a8..32060832f0 100644
> --- a/utils/v4l2-ctl/v4l2-ctl-meta.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl-meta.cpp
> @@ -20,13 +20,13 @@ static struct v4l2_format vfmt; /*
> set_format/get_format */
>
> void meta_usage(void)
> {
> - printf("\nMetadata Formats options:\n"
> - " --list-formats-meta display supported metadata formats
> [VIDIOC_ENUM_FMT]\n"
> - " --get-fmt-meta query the metadata format
> [VIDIOC_G_FMT]\n"
> - " --set-fmt-meta <f> set the metadata format [VIDIOC_S_FMT]\n"
> + printf("\nMetadata Capture Formats options:\n"
> + " --list-formats-meta display supported metadata capture
> formats [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"
> " --list-formats-meta, or the fourcc value
> as a string\n"
> - " --try-fmt-meta <f> try the metadata format
> [VIDIOC_TRY_FMT]\n"
> + " --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"
> );
> @@ -56,7 +56,8 @@ void meta_set(cv4l_fd &_fd)
> int ret;
>
> if ((options[OptSetMetaFormat] || options[OptTryMetaFormat]) &&
> - v4l_type_is_meta(_fd.g_type())) {
> + v4l_type_is_meta(_fd.g_type()) &&
> + v4l_type_is_capture(_fd.g_type())) {
> struct v4l2_format in_vfmt;
>
> in_vfmt.type = _fd.g_type();
> @@ -85,7 +86,8 @@ void meta_set(cv4l_fd &_fd)
>
> void meta_get(cv4l_fd &fd)
> {
> - if (options[OptGetMetaFormat] && v4l_type_is_meta(fd.g_type())) {
> + if (options[OptGetMetaFormat] && v4l_type_is_meta(fd.g_type()) &&
> + v4l_type_is_capture(fd.g_type())) {
> vfmt.type = fd.g_type();
> if (doioctl(fd.g_fd(), VIDIOC_G_FMT, &vfmt) == 0)
> printfmt(fd.g_fd(), vfmt);
> @@ -94,7 +96,8 @@ void meta_get(cv4l_fd &fd)
>
> void meta_list(cv4l_fd &fd)
> {
> - if (options[OptListMetaFormats] && v4l_type_is_meta(fd.g_type())) {
> + if (options[OptListMetaFormats] && v4l_type_is_meta(fd.g_type()) &&
> + v4l_type_is_capture(fd.g_type())) {
> printf("ioctl: VIDIOC_ENUM_FMT\n");
> print_video_formats(fd, fd.g_type());
> }
> diff --git a/utils/v4l2-ctl/v4l2-ctl.cpp b/utils/v4l2-ctl/v4l2-ctl.cpp
> index 1783979d76..81a66938b6 100644
> --- a/utils/v4l2-ctl/v4l2-ctl.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl.cpp
> @@ -88,6 +88,7 @@ static struct option long_options[] = {
> {"help-vbi", no_argument, 0, OptHelpVbi},
> {"help-sdr", no_argument, 0, OptHelpSdr},
> {"help-meta", no_argument, 0, OptHelpMeta},
> + {"help-meta-out", no_argument, 0, OptHelpMetaOut},
> {"help-subdev", no_argument, 0, OptHelpSubDev},
> {"help-selection", no_argument, 0, OptHelpSelection},
> {"help-misc", no_argument, 0, OptHelpMisc},
> @@ -122,6 +123,7 @@ static struct option long_options[] = {
> {"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-subdev-mbus-codes", optional_argument, 0,
> OptListSubDevMBusCodes},
> {"list-subdev-framesizes", required_argument, 0,
> OptListSubDevFrameSizes},
> {"list-subdev-frameintervals", required_argument, 0,
> OptListSubDevFrameIntervals},
> @@ -174,6 +176,9 @@ static struct option long_options[] = {
> {"get-fmt-meta", no_argument, 0, OptGetMetaFormat},
> {"set-fmt-meta", required_argument, 0, OptSetMetaFormat},
> {"try-fmt-meta", required_argument, 0, OptTryMetaFormat},
> + {"get-fmt-meta-out", no_argument, 0, OptGetMetaOutFormat},
> + {"set-fmt-meta-out", required_argument, 0, OptSetMetaOutFormat},
> + {"try-fmt-meta-out", required_argument, 0, OptTryMetaOutFormat},
> {"get-subdev-fmt", optional_argument, 0, OptGetSubDevFormat},
> {"set-subdev-fmt", required_argument, 0, OptSetSubDevFormat},
> {"try-subdev-fmt", required_argument, 0, OptTrySubDevFormat},
> @@ -238,6 +243,7 @@ static struct option long_options[] = {
> {"list-buffers-sdr", no_argument, 0, OptListBuffersSdr},
> {"list-buffers-sdr-out", no_argument, 0, OptListBuffersSdrOut},
> {"list-buffers-meta", no_argument, 0, OptListBuffersMeta},
> + {"list-buffers-meta-out", no_argument, 0, OptListBuffersMetaOut},
> {"stream-count", required_argument, 0, OptStreamCount},
> {"stream-skip", required_argument, 0, OptStreamSkip},
> {"stream-loop", no_argument, 0, OptStreamLoop},
> @@ -290,6 +296,7 @@ static void usage_all(void)
> vbi_usage();
> sdr_usage();
> meta_usage();
> + meta_out_usage();
> selection_usage();
> misc_usage();
> streaming_usage();
> @@ -507,6 +514,7 @@ void printfmt(int fd, const struct v4l2_format &vfmt)
> printf("\tBuffer Size : %u\n", vfmt.fmt.sdr.buffersize);
> break;
> case V4L2_BUF_TYPE_META_CAPTURE:
> + case V4L2_BUF_TYPE_META_OUTPUT:
> printf("\tSample Format : '%s'%s\n",
> fcc2s(vfmt.fmt.meta.dataformat).c_str(),
> printfmtname(fd, vfmt.type,
> vfmt.fmt.meta.dataformat).c_str());
> printf("\tBuffer Size : %u\n", vfmt.fmt.meta.buffersize);
> @@ -1039,6 +1047,9 @@ int main(int argc, char **argv)
> case OptHelpMeta:
> meta_usage();
> return 0;
> + case OptHelpMetaOut:
> + meta_out_usage();
> + return 0;
> case OptHelpSubDev:
> subdev_usage();
> return 0;
> @@ -1109,6 +1120,7 @@ int main(int argc, char **argv)
> vbi_cmd(ch, optarg);
> sdr_cmd(ch, optarg);
> meta_cmd(ch, optarg);
> + meta_out_cmd(ch, optarg);
> subdev_cmd(ch, optarg);
> selection_cmd(ch, optarg);
> misc_cmd(ch, optarg);
> @@ -1247,6 +1259,7 @@ int main(int argc, char **argv)
> options[OptGetSdrFormat] = 1;
> options[OptGetSdrOutFormat] = 1;
> options[OptGetMetaFormat] = 1;
> + options[OptGetMetaOutFormat] = 1;
> options[OptGetFBuf] = 1;
> options[OptGetCropCap] = 1;
> options[OptGetOutputCropCap] = 1;
> @@ -1282,6 +1295,7 @@ int main(int argc, char **argv)
> vbi_set(c_fd);
> sdr_set(c_fd);
> meta_set(c_fd);
> + meta_out_set(c_fd);
> subdev_set(c_fd);
> selection_set(c_fd);
> misc_set(c_fd);
> @@ -1299,6 +1313,7 @@ int main(int argc, char **argv)
> vbi_get(c_fd);
> sdr_get(c_fd);
> meta_get(c_fd);
> + meta_out_get(c_fd);
> subdev_get(c_fd);
> selection_get(c_fd);
> misc_get(c_fd);
> @@ -1315,6 +1330,7 @@ int main(int argc, char **argv)
> vbi_list(c_fd);
> sdr_list(c_fd);
> meta_list(c_fd);
> + meta_out_list(c_fd);
> subdev_list(c_fd);
> streaming_list(c_fd, c_out_fd);
>
> diff --git a/utils/v4l2-ctl/v4l2-ctl.h b/utils/v4l2-ctl/v4l2-ctl.h
> index 5a52a0a48f..da9615392e 100644
> --- a/utils/v4l2-ctl/v4l2-ctl.h
> +++ b/utils/v4l2-ctl/v4l2-ctl.h
> @@ -89,6 +89,7 @@ enum Option {
> OptGetSdrFormat,
> OptGetSdrOutFormat,
> OptGetMetaFormat,
> + OptGetMetaOutFormat,
> OptGetSubDevFormat,
> OptSetSlicedVbiOutFormat,
> OptSetOverlayFormat,
> @@ -97,6 +98,7 @@ enum Option {
> OptSetSdrFormat,
> OptSetSdrOutFormat,
> OptSetMetaFormat,
> + OptSetMetaOutFormat,
> OptSetSubDevFormat,
> OptTryVideoOutFormat,
> OptTrySlicedVbiOutFormat,
> @@ -108,6 +110,7 @@ enum Option {
> OptTrySdrFormat,
> OptTrySdrOutFormat,
> OptTryMetaFormat,
> + OptTryMetaOutFormat,
> OptTrySubDevFormat,
> OptAll,
> OptListStandards,
> @@ -122,6 +125,7 @@ enum Option {
> OptListOutFormats,
> OptListOutFormatsExt,
> OptListMetaFormats,
> + OptListMetaOutFormats,
> OptListSubDevMBusCodes,
> OptListSubDevFrameSizes,
> OptListSubDevFrameIntervals,
> @@ -205,6 +209,7 @@ enum Option {
> OptListBuffersSdr,
> OptListBuffersSdrOut,
> OptListBuffersMeta,
> + OptListBuffersMetaOut,
> OptStreamCount,
> OptStreamSkip,
> OptStreamLoop,
> @@ -249,6 +254,7 @@ enum Option {
> OptHelpVbi,
> OptHelpSdr,
> OptHelpMeta,
> + OptHelpMetaOut,
> OptHelpSubDev,
> OptHelpSelection,
> OptHelpMisc,
> @@ -386,6 +392,13 @@ void meta_set(cv4l_fd &fd);
> void meta_get(cv4l_fd &fd);
> void meta_list(cv4l_fd &fd);
>
> +// v4l2-ctl-meta-out.cpp
> +void meta_out_usage(void);
> +void meta_out_cmd(int ch, char *optarg);
> +void meta_out_set(cv4l_fd &fd);
> +void meta_out_get(cv4l_fd &fd);
> +void meta_out_list(cv4l_fd &fd);
> +
> // v4l2-ctl-subdev.cpp
> void subdev_usage(void);
> void subdev_cmd(int ch, char *optarg);
>
