Add support to get and set subdev routes and to get and set configurations per stream. Based on work from Jacopo Mondi <jacopo@xxxxxxxxxx> and Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx> --- utils/v4l2-ctl/v4l2-ctl-subdev.cpp | 289 +++++++++++++++++++++++++---- utils/v4l2-ctl/v4l2-ctl.cpp | 2 + utils/v4l2-ctl/v4l2-ctl.h | 2 + 3 files changed, 260 insertions(+), 33 deletions(-) diff --git a/utils/v4l2-ctl/v4l2-ctl-subdev.cpp b/utils/v4l2-ctl/v4l2-ctl-subdev.cpp index 33cc1342..dff16936 100644 --- a/utils/v4l2-ctl/v4l2-ctl-subdev.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-subdev.cpp @@ -1,5 +1,13 @@ #include "v4l2-ctl.h" +#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0])) + +/* + * The max value comes from a check in the kernel source code + * drivers/media/v4l2-core/v4l2-ioctl.c check_array_args() + */ +#define NUM_ROUTES_MAX 256 + struct mbus_name { const char *name; __u32 code; @@ -19,45 +27,57 @@ static const struct mbus_name mbus_names[] = { #define SelectionFlags (1L<<4) static __u32 list_mbus_codes_pad; +static __u32 list_mbus_codes_stream = 0; static __u32 get_fmt_pad; +static __u32 get_fmt_stream = 0; static __u32 get_sel_pad; +static __u32 get_sel_stream = 0; static __u32 get_fps_pad; +static __u32 get_fps_stream = 0; static int get_sel_target = -1; static unsigned int set_selection; static struct v4l2_subdev_selection vsel; static unsigned int set_fmt; static __u32 set_fmt_pad; +static __u32 set_fmt_stream = 0; static struct v4l2_mbus_framefmt ffmt; static struct v4l2_subdev_frame_size_enum frmsize; static struct v4l2_subdev_frame_interval_enum frmival; static __u32 set_fps_pad; +static __u32 set_fps_stream = 0; static double set_fps; +static struct v4l2_subdev_routing routing; +static struct v4l2_subdev_route routes[NUM_ROUTES_MAX]; void subdev_usage() { printf("\nSub-Device options:\n" - " --list-subdev-mbus-codes <pad>\n" + " --list-subdev-mbus-codes pad=<pad>,stream=<stream>\n" " display supported mediabus codes for this pad (0 is default)\n" " [VIDIOC_SUBDEV_ENUM_MBUS_CODE]\n" - " --list-subdev-framesizes pad=<pad>,code=<code>\n" + " --list-subdev-framesizes pad=<pad>,stream=<stream>,code=<code>\n" " list supported framesizes for this pad and code\n" " [VIDIOC_SUBDEV_ENUM_FRAME_SIZE]\n" " <code> is the value of the mediabus code\n" - " --list-subdev-frameintervals pad=<pad>,width=<w>,height=<h>,code=<code>\n" + " --list-subdev-frameintervals pad=<pad>,stream=<stream>,width=<w>,height=<h>,code=<code>\n" " list supported frame intervals for this pad and code and\n" " the given width and height [VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL]\n" " <code> is the value of the mediabus code\n" - " --get-subdev-fmt [<pad>]\n" - " query the frame format for the given pad [VIDIOC_SUBDEV_G_FMT]\n" - " --get-subdev-selection pad=<pad>,target=<target>\n" + " --get-subdev-fmt pad=<pad>,stream=<stream>\n" + " query the frame format for the given pad and optional stream [VIDIOC_SUBDEV_G_FMT]\n" + " <pad> the pad to get the format from\n" + " <stream> the stream to get the format from (0 if not specified)\n" + " --get-subdev-selection pad=<pad>,stream=<stream>,target=<target>\n" " query the frame selection rectangle [VIDIOC_SUBDEV_G_SELECTION]\n" " See --set-subdev-selection command for the valid <target> values.\n" - " --get-subdev-fps [<pad>]\n" + " --get-subdev-fps pad=<pad>,stream=<stream>\n" " query the frame rate [VIDIOC_SUBDEV_G_FRAME_INTERVAL]\n" " --set-subdev-fmt (for testing only, otherwise use media-ctl)\n" - " --try-subdev-fmt pad=<pad>,width=<w>,height=<h>,code=<code>,field=<f>,colorspace=<c>,\n" + " --try-subdev-fmt pad=<pad>,stream=<stream>,width=<w>,height=<h>,code=<code>,field=<f>,colorspace=<c>,\n" " xfer=<xf>,ycbcr=<y>,hsv=<hsv>,quantization=<q>\n" - " set the frame format [VIDIOC_SUBDEV_S_FMT]\n" + " set the frame format for the given pad and optional stream [VIDIOC_SUBDEV_S_FMT]\n" + " <pad> the pad to get the format from\n" + " <stream> the stream to get the format from (0 if not specified)\n" " <code> is the value of the mediabus code\n" " <f> can be one of the following field layouts:\n" " any, none, top, bottom, interlaced, seq_tb, seq_bt,\n" @@ -74,14 +94,30 @@ void subdev_usage() " <q> can be one of the following quantization methods:\n" " default, full-range, lim-range\n" " --set-subdev-selection (for testing only, otherwise use media-ctl)\n" - " --try-subdev-selection pad=<pad>,target=<target>,flags=<flags>,\n" + " --try-subdev-selection pad=<pad>,stream=<stream>,target=<target>,flags=<flags>,\n" " top=<x>,left=<y>,width=<w>,height=<h>\n" " set the video capture selection rectangle [VIDIOC_SUBDEV_S_SELECTION]\n" " target=crop|crop_bounds|crop_default|compose|compose_bounds|\n" " compose_default|compose_padded|native_size\n" " flags=le|ge|keep-config\n" - " --set-subdev-fps pad=<pad>,fps=<fps> (for testing only, otherwise use media-ctl)\n" + " --set-subdev-fps pad=<pad>,stream=<stream>,fps=<fps> (for testing only, otherwise use media-ctl)\n" " set the frame rate [VIDIOC_SUBDEV_S_FRAME_INTERVAL]\n" + " --get-routing Print the route topology\n" + " --set-routing <routes>\n" + " Comma-separated list of route descriptors to setup\n" + "\n" + "Routes are defined as\n" + " routes = route { ',' route } ;\n" + " route = sink '->' source '[' flags ']' ;\n" + " sink = sink-pad '/' sink-stream ;\n" + " source = source-pad '/' source-stream ;\n" + "\n" + "where\n" + " sink-pad = Pad numeric identifier for sink\n" + " sink-stream = Stream numeric identifier for sink\n" + " source-pad = Pad numeric identifier for source\n" + " source-stream = Stream numeric identifier for source\n" + " flags = Route flags (0: inactive, 1: active)\n" ); } @@ -91,14 +127,33 @@ void subdev_cmd(int ch, char *optarg) switch (ch) { case OptListSubDevMBusCodes: - if (optarg) - list_mbus_codes_pad = strtoul(optarg, nullptr, 0); + subs = optarg; + while (subs && *subs != '\0') { + static constexpr const char *subopts[] = { + "pad", + "stream", + nullptr + }; + + switch (parse_subopt(&subs, subopts, &value)) { + case 0: + list_mbus_codes_pad = strtoul(value, nullptr, 0); + break; + case 1: + list_mbus_codes_stream = strtoul(value, nullptr, 0); + break; + default: + subdev_usage(); + std::exit(EXIT_FAILURE); + } + } break; case OptListSubDevFrameSizes: subs = optarg; while (*subs != '\0') { static constexpr const char *subopts[] = { "pad", + "stream", "code", nullptr }; @@ -108,6 +163,9 @@ void subdev_cmd(int ch, char *optarg) frmsize.pad = strtoul(value, nullptr, 0); break; case 1: + frmsize.stream = strtoul(value, nullptr, 0); + break; + case 2: frmsize.code = strtoul(value, nullptr, 0); break; default: @@ -121,6 +179,7 @@ void subdev_cmd(int ch, char *optarg) while (*subs != '\0') { static constexpr const char *subopts[] = { "pad", + "stream", "code", "width", "height", @@ -132,12 +191,15 @@ void subdev_cmd(int ch, char *optarg) frmival.pad = strtoul(value, nullptr, 0); break; case 1: - frmival.code = strtoul(value, nullptr, 0); + frmival.stream = strtoul(value, nullptr, 0); break; case 2: - frmival.width = strtoul(value, nullptr, 0); + frmival.code = strtoul(value, nullptr, 0); break; case 3: + frmival.width = strtoul(value, nullptr, 0); + break; + case 4: frmival.height = strtoul(value, nullptr, 0); break; default: @@ -147,14 +209,33 @@ void subdev_cmd(int ch, char *optarg) } break; case OptGetSubDevFormat: - if (optarg) - get_fmt_pad = strtoul(optarg, nullptr, 0); + subs = optarg; + while (subs && *subs != '\0') { + static constexpr const char *subopts[] = { + "pad", + "stream", + nullptr + }; + + switch (parse_subopt(&subs, subopts, &value)) { + case 0: + get_fmt_pad = strtoul(value, nullptr, 0); + break; + case 1: + get_fmt_stream = strtoul(value, nullptr, 0); + break; + default: + subdev_usage(); + std::exit(EXIT_FAILURE); + } + } break; case OptGetSubDevSelection: subs = optarg; while (*subs != '\0') { static constexpr const char *subopts[] = { "pad", + "stream", "target", nullptr }; @@ -165,6 +246,9 @@ void subdev_cmd(int ch, char *optarg) get_sel_pad = strtoul(value, nullptr, 0); break; case 1: + get_sel_stream = strtoul(value, nullptr, 0); + break; + case 2: if (parse_selection_target(value, target)) { fprintf(stderr, "Unknown selection target\n"); subdev_usage(); @@ -179,8 +263,26 @@ void subdev_cmd(int ch, char *optarg) } break; case OptGetSubDevFPS: - if (optarg) - get_fps_pad = strtoul(optarg, nullptr, 0); + subs = optarg; + while (subs && *subs != '\0') { + static constexpr const char *subopts[] = { + "pad", + "stream", + nullptr + }; + + switch (parse_subopt(&subs, subopts, &value)) { + case 0: + get_fps_pad = strtoul(value, nullptr, 0); + break; + case 1: + get_fps_stream = strtoul(value, nullptr, 0); + break; + default: + subdev_usage(); + std::exit(EXIT_FAILURE); + } + } break; case OptSetSubDevFormat: case OptTrySubDevFormat: @@ -198,6 +300,7 @@ void subdev_cmd(int ch, char *optarg) "quantization", "xfer", "pad", + "stream", nullptr }; @@ -244,6 +347,9 @@ void subdev_cmd(int ch, char *optarg) case 9: set_fmt_pad = strtoul(value, nullptr, 0); break; + case 10: + set_fmt_stream = strtoul(value, nullptr, 0); + break; default: fprintf(stderr, "Unknown option\n"); subdev_usage(); @@ -264,6 +370,7 @@ void subdev_cmd(int ch, char *optarg) "width", "height", "pad", + "stream", nullptr }; @@ -298,6 +405,9 @@ void subdev_cmd(int ch, char *optarg) case 6: vsel.pad = strtoul(value, nullptr, 0); break; + case 7: + vsel.stream = strtoul(value, nullptr, 0); + break; default: fprintf(stderr, "Unknown option\n"); subdev_usage(); @@ -311,6 +421,7 @@ void subdev_cmd(int ch, char *optarg) while (*subs != '\0') { static constexpr const char *subopts[] = { "pad", + "stream", "fps", nullptr }; @@ -320,6 +431,9 @@ void subdev_cmd(int ch, char *optarg) set_fps_pad = strtoul(value, nullptr, 0); break; case 1: + set_fps_stream = strtoul(value, nullptr, 0); + break; + case 2: set_fps = strtod(value, nullptr); break; default: @@ -329,6 +443,47 @@ void subdev_cmd(int ch, char *optarg) } } break; + case OptSetRouting: { + struct v4l2_subdev_route *r; + char *end, *ref, *tok; + unsigned int flags; + + memset(&routing, 0, sizeof(routing)); + memset(routes, 0, sizeof(routes[0]) * NUM_ROUTES_MAX); + routing.which = V4L2_SUBDEV_FORMAT_ACTIVE; + routing.num_routes = 0; + routing.routes = (__u64)routes; + + if (!optarg) + break; + + r = (v4l2_subdev_route *)routing.routes; + ref = end = strdup(optarg); + while ((tok = strsep(&end, ",")) != NULL) { + if (sscanf(tok, "%u/%u -> %u/%u [%u]", + &r->sink_pad, &r->sink_stream, + &r->source_pad, &r->source_stream, + &flags) != 5) { + free(ref); + fprintf(stderr, "Invalid route information specified\n"); + subdev_usage(); + std::exit(EXIT_FAILURE); + } + + if (flags & ~(V4L2_SUBDEV_ROUTE_FL_ACTIVE | V4L2_SUBDEV_ROUTE_FL_IMMUTABLE | V4L2_SUBDEV_ROUTE_FL_SOURCE)) { + fprintf(stderr, "Invalid route flags specified: %#x\n", flags); + subdev_usage(); + std::exit(EXIT_FAILURE); + } + + r->flags = flags; + + r++; + routing.num_routes++; + } + free(ref); + break; + } default: break; } @@ -394,6 +549,7 @@ void subdev_set(cv4l_fd &_fd) memset(&fmt, 0, sizeof(fmt)); fmt.pad = set_fmt_pad; + fmt.stream = set_fmt_stream; fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; if (doioctl(fd, VIDIOC_SUBDEV_G_FMT, &fmt) == 0) { @@ -430,7 +586,7 @@ void subdev_set(cv4l_fd &_fd) else fmt.which = V4L2_SUBDEV_FORMAT_TRY; - printf("ioctl: VIDIOC_SUBDEV_S_FMT (pad=%u)\n", fmt.pad); + printf("ioctl: VIDIOC_SUBDEV_S_FMT (pad=%u,stream=%u)\n", fmt.pad, fmt.stream); ret = doioctl(fd, VIDIOC_SUBDEV_S_FMT, &fmt); if (ret == 0 && (verbose || !options[OptSetSubDevFormat])) print_framefmt(fmt.format); @@ -441,6 +597,7 @@ void subdev_set(cv4l_fd &_fd) memset(&sel, 0, sizeof(sel)); sel.pad = vsel.pad; + sel.stream = vsel.stream; sel.which = V4L2_SUBDEV_FORMAT_ACTIVE; sel.target = vsel.target; @@ -461,7 +618,7 @@ void subdev_set(cv4l_fd &_fd) else sel.which = V4L2_SUBDEV_FORMAT_TRY; - printf("ioctl: VIDIOC_SUBDEV_S_SELECTION (pad=%u)\n", sel.pad); + printf("ioctl: VIDIOC_SUBDEV_S_SELECTION (pad=%u,stream=%u)\n", sel.pad, sel.stream); int ret = doioctl(fd, VIDIOC_SUBDEV_S_SELECTION, &sel); if (ret == 0 && (verbose || !options[OptSetSubDevSelection])) print_subdev_selection(sel); @@ -472,6 +629,7 @@ void subdev_set(cv4l_fd &_fd) memset(&fival, 0, sizeof(fival)); fival.pad = set_fps_pad; + fival.stream = set_fps_stream; if (set_fps <= 0) { fprintf(stderr, "invalid fps %f\n", set_fps); @@ -482,7 +640,7 @@ void subdev_set(cv4l_fd &_fd) fival.interval.denominator = static_cast<uint32_t>(set_fps * fival.interval.numerator); printf("Note: --set-subdev-fps is only for testing.\n" "Normally media-ctl is used to configure the video pipeline.\n"); - printf("ioctl: VIDIOC_SUBDEV_S_FRAME_INTERVAL (pad=%u)\n", fival.pad); + printf("ioctl: VIDIOC_SUBDEV_S_FRAME_INTERVAL (pad=%u,stream=%u)\n", fival.pad, fival.stream); if (doioctl(fd, VIDIOC_SUBDEV_S_FRAME_INTERVAL, &fival) == 0) { if (!fival.interval.denominator || !fival.interval.numerator) printf("\tFrames per second: invalid (%d/%d)\n", @@ -493,6 +651,56 @@ void subdev_set(cv4l_fd &_fd) fival.interval.denominator, fival.interval.numerator); } } + if (options[OptSetRouting]) { + if (doioctl(fd, VIDIOC_SUBDEV_S_ROUTING, &routing) == 0) + printf("Routing set\n"); + } +} + +struct flag_name { + __u32 flag; + const char *name; +}; + +static void print_flags(const struct flag_name *flag_names, unsigned int num_entries, __u32 flags) +{ + bool first = true; + unsigned int i; + + for (i = 0; i < num_entries; i++) { + if (!(flags & flag_names[i].flag)) + continue; + if (!first) + printf(","); + printf("%s", flag_names[i].name); + flags &= ~flag_names[i].flag; + first = false; + } + + if (flags) { + if (!first) + printf(","); + printf("0x%x", flags); + } +} + +static void print_routes(const struct v4l2_subdev_routing *r) +{ + unsigned int i; + struct v4l2_subdev_route *routes = (struct v4l2_subdev_route *)r->routes; + + static const struct flag_name route_flags[] = { + { V4L2_SUBDEV_ROUTE_FL_ACTIVE, "ENABLED" }, + { V4L2_SUBDEV_ROUTE_FL_IMMUTABLE, "IMMUTABLE" }, + }; + + for (i = 0; i < r->num_routes; i++) { + printf("%d/%d -> %d/%d [", + routes[i].sink_pad, routes[i].sink_stream, + routes[i].source_pad, routes[i].source_stream); + print_flags(route_flags, ARRAY_SIZE(route_flags), routes[i].flags); + printf("]\n"); + } } void subdev_get(cv4l_fd &_fd) @@ -505,8 +713,9 @@ void subdev_get(cv4l_fd &_fd) memset(&fmt, 0, sizeof(fmt)); fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; fmt.pad = get_fmt_pad; + fmt.stream = get_fmt_stream; - printf("ioctl: VIDIOC_SUBDEV_G_FMT (pad=%u)\n", fmt.pad); + printf("ioctl: VIDIOC_SUBDEV_G_FMT (pad=%u, stream=%u)\n", fmt.pad, fmt.stream); if (doioctl(fd, VIDIOC_SUBDEV_G_FMT, &fmt) == 0) print_framefmt(fmt.format); } @@ -518,8 +727,9 @@ void subdev_get(cv4l_fd &_fd) memset(&sel, 0, sizeof(sel)); sel.which = V4L2_SUBDEV_FORMAT_ACTIVE; sel.pad = get_sel_pad; + sel.stream = get_sel_stream; - printf("ioctl: VIDIOC_SUBDEV_G_SELECTION (pad=%u)\n", sel.pad); + printf("ioctl: VIDIOC_SUBDEV_G_SELECTION (pad=%u,stream=%u)\n", sel.pad, sel.stream); if (options[OptAll] || get_sel_target == -1) { while (valid_seltarget_at_idx(idx)) { sel.target = seltarget_at_idx(idx); @@ -538,8 +748,9 @@ void subdev_get(cv4l_fd &_fd) memset(&fival, 0, sizeof(fival)); fival.pad = get_fps_pad; + fival.stream = get_fps_stream; - printf("ioctl: VIDIOC_SUBDEV_G_FRAME_INTERVAL (pad=%u)\n", fival.pad); + printf("ioctl: VIDIOC_SUBDEV_G_FRAME_INTERVAL (pad=%u,stream=%u)\n", fival.pad, fival.stream); if (doioctl(fd, VIDIOC_SUBDEV_G_FRAME_INTERVAL, &fival) == 0) { if (!fival.interval.denominator || !fival.interval.numerator) printf("\tFrames per second: invalid (%d/%d)\n", @@ -550,6 +761,17 @@ void subdev_get(cv4l_fd &_fd) fival.interval.denominator, fival.interval.numerator); } } + + if (options[OptGetRouting]) { + memset(&routing, 0, sizeof(routing)); + memset(routes, 0, sizeof(routes[0]) * NUM_ROUTES_MAX); + routing.which = V4L2_SUBDEV_FORMAT_ACTIVE; + routing.num_routes = NUM_ROUTES_MAX; + routing.routes = (__u64)routes; + + if (doioctl(fd, VIDIOC_SUBDEV_G_ROUTING, &routing) == 0) + print_routes(&routing); + } } static void print_mbus_code(__u32 code) @@ -566,11 +788,12 @@ static void print_mbus_code(__u32 code) printf("\t0x%04x", code); } -static void print_mbus_codes(int fd, __u32 pad) +static void print_mbus_codes(int fd, __u32 pad, __u32 stream) { struct v4l2_subdev_mbus_code_enum mbus_code = {}; mbus_code.pad = pad; + mbus_code.stream = stream; mbus_code.which = V4L2_SUBDEV_FORMAT_TRY; for (;;) { @@ -623,13 +846,13 @@ void subdev_list(cv4l_fd &_fd) int fd = _fd.g_fd(); if (options[OptListSubDevMBusCodes]) { - printf("ioctl: VIDIOC_SUBDEV_ENUM_MBUS_CODE (pad=%u)\n", - list_mbus_codes_pad); - print_mbus_codes(fd, list_mbus_codes_pad); + printf("ioctl: VIDIOC_SUBDEV_ENUM_MBUS_CODE (pad=%u,stream=%u)\n", + list_mbus_codes_pad, list_mbus_codes_stream); + print_mbus_codes(fd, list_mbus_codes_pad, list_mbus_codes_stream); } if (options[OptListSubDevFrameSizes]) { - printf("ioctl: VIDIOC_SUBDEV_ENUM_FRAME_SIZE (pad=%u)\n", - frmsize.pad); + printf("ioctl: VIDIOC_SUBDEV_ENUM_FRAME_SIZE (pad=%u,stream=%u)\n", + frmsize.pad, frmsize.stream); frmsize.index = 0; frmsize.which = V4L2_SUBDEV_FORMAT_TRY; while (test_ioctl(fd, VIDIOC_SUBDEV_ENUM_FRAME_SIZE, &frmsize) >= 0) { @@ -638,8 +861,8 @@ void subdev_list(cv4l_fd &_fd) } } if (options[OptListSubDevFrameIntervals]) { - printf("ioctl: VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL (pad=%u)\n", - frmival.pad); + printf("ioctl: VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL (pad=%u,stream=%u)\n", + frmival.pad, frmival.stream); frmival.index = 0; frmival.which = V4L2_SUBDEV_FORMAT_TRY; while (test_ioctl(fd, VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL, &frmival) >= 0) { diff --git a/utils/v4l2-ctl/v4l2-ctl.cpp b/utils/v4l2-ctl/v4l2-ctl.cpp index 764a7c71..b99c87dd 100644 --- a/utils/v4l2-ctl/v4l2-ctl.cpp +++ b/utils/v4l2-ctl/v4l2-ctl.cpp @@ -63,6 +63,8 @@ static struct option long_options[] = { {"get-fmt-video-out", no_argument, nullptr, OptGetVideoOutFormat}, {"set-fmt-video-out", required_argument, nullptr, OptSetVideoOutFormat}, {"try-fmt-video-out", required_argument, nullptr, OptTryVideoOutFormat}, + {"set-routing", required_argument, 0, OptSetRouting}, + {"get-routing", no_argument, 0, OptGetRouting}, {"help", no_argument, nullptr, OptHelp}, {"help-tuner", no_argument, nullptr, OptHelpTuner}, {"help-io", no_argument, nullptr, OptHelpIO}, diff --git a/utils/v4l2-ctl/v4l2-ctl.h b/utils/v4l2-ctl/v4l2-ctl.h index 39161466..bd1c89d0 100644 --- a/utils/v4l2-ctl/v4l2-ctl.h +++ b/utils/v4l2-ctl/v4l2-ctl.h @@ -197,6 +197,8 @@ enum Option { OptInfoEdid, OptShowEdid, OptFixEdidChecksums, + OptSetRouting, + OptGetRouting, OptFreqSeek, OptEncoderCmd, OptTryEncoderCmd, -- 2.25.1