Add support for v4l-audioX devices.
Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl --- utils/v4l2-ctl/Android.mk | 3 +- utils/v4l2-ctl/meson.build | 1 + utils/v4l2-ctl/v4l2-ctl-audio.cpp | 131 ++++++++++++++++++++++++++ utils/v4l2-ctl/v4l2-ctl-common.cpp | 2 + utils/v4l2-ctl/v4l2-ctl-streaming.cpp | 14 +-- utils/v4l2-ctl/v4l2-ctl.1.in | 4 + utils/v4l2-ctl/v4l2-ctl.cpp | 27 ++++++ utils/v4l2-ctl/v4l2-ctl.h | 18 ++++ 8 files changed, 193 insertions(+), 7 deletions(-) create mode 100644 utils/v4l2-ctl/v4l2-ctl-audio.cpp
diff --git a/utils/v4l2-ctl/Android.mk b/utils/v4l2-ctl/Android.mk index 3078c629..ecb8c5e1 100644 --- a/utils/v4l2-ctl/Android.mk +++ b/utils/v4l2-ctl/Android.mk @@ -22,6 +22,7 @@ LOCAL_SRC_FILES := \ v4l2-ctl-io.cpp v4l2-ctl-stds.cpp v4l2-ctl-vidcap.cpp v4l2-ctl-vidout.cpp \ 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-meta.cpp v4l2-ctl-subdev.cpp v4l2-info.cpp media-info.cpp \ + v4l2-ctl-meta.cpp v4l2-ctl-audio.cpp v4l2-ctl-subdev.cpp \ + v4l2-info.cpp media-info.cpp \ v4l2-tpg-colors.c v4l2-tpg-core.c v4l-stream.c codec-fwht.c include $(BUILD_EXECUTABLE) diff --git a/utils/v4l2-ctl/meson.build b/utils/v4l2-ctl/meson.build index 3e366c6c..62c3c3ee 100644 --- a/utils/v4l2-ctl/meson.build +++ b/utils/v4l2-ctl/meson.build @@ -7,6 +7,7 @@ v4l2_ctl_sources = files( 'v4l2-ctl-edid.cpp', 'v4l2-ctl-io.cpp', 'v4l2-ctl-meta.cpp', + 'v4l2-ctl-audio.cpp', 'v4l2-ctl-misc.cpp', 'v4l2-ctl-modes.cpp', 'v4l2-ctl-overlay.cpp', diff --git a/utils/v4l2-ctl/v4l2-ctl-audio.cpp b/utils/v4l2-ctl/v4l2-ctl-audio.cpp new file mode 100644 index 00000000..23ff17ca --- /dev/null +++ b/utils/v4l2-ctl/v4l2-ctl-audio.cpp @@ -0,0 +1,131 @@ +#include <endian.h> + +#include "v4l2-ctl.h" + +static struct v4l2_format vfmt; /* set_format/get_format */ +static unsigned mbus_code; +static unsigned mbus_code_out; + +void audio_usage() +{ + printf("\nAudio Formats options:\n" + " --list-formats-audio [<mbus_code>] display supported audio capture formats.\n" + " <mbus_code> is an optional media bus code, if the device 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-audio query the audio capture format [VIDIOC_G_FMT]\n" + " --set-fmt-audio <f> set the audio capture format [VIDIOC_S_FMT]\n" + " parameter is either the format index as reported by\n" + " --list-formats-audio, or the fourcc value as a string\n" + " --try-fmt-audio <f> try the audio capture format [VIDIOC_TRY_FMT]\n" + " parameter is either the format index as reported by\n" + " --list-formats-audio, or the fourcc value as a string\n" + " --list-formats-audio-out [<mbus_code>] display supported audio output formats.\n" + " <mbus_code> is an optional media bus code, if the device 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-audio-out query the audio output format [VIDIOC_G_FMT]\n" + " --set-fmt-audio-out <f> set the audio output format [VIDIOC_S_FMT]\n" + " parameter is either the format index as reported by\n" + " --list-formats-audio-out, or the fourcc value as a string\n" + " --try-fmt-audio-out <f> try the audio output format [VIDIOC_TRY_FMT]\n" + " parameter is either the format index as reported by\n" + " --list-formats-audio-out, or the fourcc value as a string\n" + ); +} + +void audio_cmd(int ch, char *optarg) +{ + switch (ch) { + case OptSetAudioFormat: + case OptTryAudioFormat: + case OptSetAudioOutFormat: + case OptTryAudioOutFormat: + if (strlen(optarg) == 0) { + audio_usage(); + std::exit(EXIT_FAILURE); + } else if (strlen(optarg) == 4) { + vfmt.fmt.audio.audioformat = v4l2_fourcc(optarg[0], + optarg[1], optarg[2], optarg[3]); + } else { + vfmt.fmt.audio.audioformat = strtol(optarg, nullptr, 0); + } + break; + case OptListAudioFormats: + if (optarg) + mbus_code = strtoul(optarg, nullptr, 0); + break; + case OptListAudioOutFormats: + if (optarg) + mbus_code_out = strtoul(optarg, nullptr, 0); + break; + } +} + +static void __audio_set(cv4l_fd &_fd, bool set, bool _try, __u32 type) +{ + struct v4l2_format in_vfmt; + int fd = _fd.g_fd(); + int ret; + + if (!set && !_try) + return; + + in_vfmt.type = type; + in_vfmt.fmt.audio.audioformat = vfmt.fmt.audio.audioformat; + + if (in_vfmt.fmt.audio.audioformat < 256) { + struct v4l2_fmtdesc fmt = {}; + + fmt.index = in_vfmt.fmt.audio.audioformat; + fmt.type = in_vfmt.type; + + if (doioctl(fd, VIDIOC_ENUM_FMT, &fmt)) + fmt.pixelformat = 0; + + in_vfmt.fmt.audio.audioformat = fmt.pixelformat; + } + + if (set) + ret = doioctl(fd, VIDIOC_S_FMT, &in_vfmt); + else + ret = doioctl(fd, VIDIOC_TRY_FMT, &in_vfmt); + if (ret == 0 && (verbose || _try)) + printfmt(fd, in_vfmt); +} + +void audio_set(cv4l_fd &_fd) +{ + __audio_set(_fd, options[OptSetAudioFormat], options[OptTryAudioFormat], + V4L2_BUF_TYPE_AUDIO_CAPTURE); + __audio_set(_fd, options[OptSetAudioOutFormat], + options[OptTryAudioOutFormat], V4L2_BUF_TYPE_AUDIO_OUTPUT); +} + +static void __audio_get(cv4l_fd &fd, __u32 type) +{ + vfmt.type = type; + if (doioctl(fd.g_fd(), VIDIOC_G_FMT, &vfmt) == 0) + printfmt(fd.g_fd(), vfmt); +} + +void audio_get(cv4l_fd &fd) +{ + if (options[OptGetAudioFormat]) + __audio_get(fd, V4L2_BUF_TYPE_AUDIO_CAPTURE); + if (options[OptGetAudioOutFormat]) + __audio_get(fd, V4L2_BUF_TYPE_AUDIO_OUTPUT); +} + +void audio_list(cv4l_fd &fd) +{ + if (options[OptListAudioFormats]) { + printf("ioctl: VIDIOC_ENUM_FMT\n"); + print_video_formats(fd, V4L2_BUF_TYPE_AUDIO_CAPTURE, mbus_code); + } + + if (options[OptListAudioOutFormats]) { + printf("ioctl: VIDIOC_ENUM_FMT\n"); + print_video_formats(fd, V4L2_BUF_TYPE_AUDIO_OUTPUT, mbus_code_out); + } +} diff --git a/utils/v4l2-ctl/v4l2-ctl-common.cpp b/utils/v4l2-ctl/v4l2-ctl-common.cpp index 0370708b..c089c332 100644 --- a/utils/v4l2-ctl/v4l2-ctl-common.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-common.cpp @@ -79,6 +79,7 @@ void common_usage() " --help-all all options\n" " --help-io input/output options\n" " --help-meta metadata format options\n" + " --help-audio audio format options\n" " --help-misc miscellaneous options\n" " --help-overlay overlay format options\n" " --help-sdr SDR format options\n" @@ -123,6 +124,7 @@ static const char *prefixes[] = { "swradio", "v4l-subdev", "v4l-touch", + "v4l-audio", "media", nullptr }; diff --git a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp index 63522e87..18dd2c9b 100644 --- a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp @@ -1857,7 +1857,8 @@ static void streaming_set_cap(cv4l_fd &fd, cv4l_fd &exp_fd) if (!(capabilities & (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE | V4L2_CAP_META_CAPTURE | V4L2_CAP_SDR_CAPTURE | - V4L2_CAP_VIDEO_M2M | V4L2_CAP_VIDEO_M2M_MPLANE))) { + V4L2_CAP_VIDEO_M2M | V4L2_CAP_VIDEO_M2M_MPLANE | + V4L2_CAP_AUDIO_M2M))) { fprintf(stderr, "unsupported stream type\n"); return; } @@ -2155,7 +2156,7 @@ static FILE *open_input_file(cv4l_fd &fd, __u32 type)
static void streaming_set_out(cv4l_fd &fd, cv4l_fd &exp_fd) { - __u32 type = fd.has_vid_m2m() ? v4l_type_invert(fd.g_type()) : fd.g_type(); + __u32 type = fd.has_m2m() ? v4l_type_invert(fd.g_type()) : fd.g_type(); cv4l_queue q(type, out_memory); cv4l_queue exp_q(exp_fd.g_type(), V4L2_MEMORY_MMAP); int fd_flags = fcntl(fd.g_fd(), F_GETFL); @@ -2171,7 +2172,8 @@ static void streaming_set_out(cv4l_fd &fd, cv4l_fd &exp_fd) if (!(capabilities & (V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_OUTPUT_MPLANE | V4L2_CAP_VBI_OUTPUT | V4L2_CAP_SLICED_VBI_OUTPUT | V4L2_CAP_SDR_OUTPUT | V4L2_CAP_META_OUTPUT | - V4L2_CAP_VIDEO_M2M | V4L2_CAP_VIDEO_M2M_MPLANE))) { + V4L2_CAP_VIDEO_M2M | V4L2_CAP_VIDEO_M2M_MPLANE | + V4L2_CAP_AUDIO_M2M))) { fprintf(stderr, "unsupported stream type\n"); return; } @@ -2711,7 +2713,7 @@ static void streaming_set_m2m(cv4l_fd &fd, cv4l_fd &exp_fd) fd.g_fmt(fmt[OUT], out.g_type()); fd.g_fmt(fmt[CAP], in.g_type());
- if (!fd.has_vid_m2m()) { + if (!fd.has_m2m()) { fprintf(stderr, "unsupported m2m stream type\n"); return; } @@ -2761,7 +2763,7 @@ static void streaming_set_cap2out(cv4l_fd &fd, cv4l_fd &out_fd) bool use_poll = options[OptStreamPoll]; bool use_dmabuf = options[OptStreamDmaBuf] || options[OptStreamOutDmaBuf]; bool use_userptr = options[OptStreamUser] && options[OptStreamOutUser]; - __u32 out_type = out_fd.has_vid_m2m() ? v4l_type_invert(out_fd.g_type()) : out_fd.g_type(); + __u32 out_type = out_fd.has_m2m() ? v4l_type_invert(out_fd.g_type()) : out_fd.g_type(); cv4l_queue in(fd.g_type(), memory); cv4l_queue out(out_type, out_memory); fps_timestamps fps_ts[2]; @@ -3000,7 +3002,7 @@ void streaming_list(cv4l_fd &fd, cv4l_fd &out_fd) list_buffers(fd, fd.g_type());
if (options[OptListBuffersOut]) - list_buffers(*p_out_fd, p_out_fd->has_vid_m2m() ? + list_buffers(*p_out_fd, p_out_fd->has_m2m() ? v4l_type_invert(p_out_fd->g_type()) : p_out_fd->g_type());
if (options[OptStreamBufCaps]) diff --git a/utils/v4l2-ctl/v4l2-ctl.1.in b/utils/v4l2-ctl/v4l2-ctl.1.in index 40817a82..82463244 100644 --- a/utils/v4l2-ctl/v4l2-ctl.1.in +++ b/utils/v4l2-ctl/v4l2-ctl.1.in @@ -32,6 +32,10 @@ wrapper library. \fB-h\fR, \fB--help\fR Prints the help message. .TP +\fB--help-audio\fR +Prints the help message for all options that get/set/list memory-to-memory audio +formats. +.TP \fB--help-io\fR Prints the help message for all options that get/set/list inputs and outputs, both video and audio. diff --git a/utils/v4l2-ctl/v4l2-ctl.cpp b/utils/v4l2-ctl/v4l2-ctl.cpp index 4cd84f78..d3f96bef 100644 --- a/utils/v4l2-ctl/v4l2-ctl.cpp +++ b/utils/v4l2-ctl/v4l2-ctl.cpp @@ -76,6 +76,7 @@ static struct option long_options[] = { {"help-vbi", no_argument, nullptr, OptHelpVbi}, {"help-sdr", no_argument, nullptr, OptHelpSdr}, {"help-meta", no_argument, nullptr, OptHelpMeta}, + {"help-audio", no_argument, nullptr, OptHelpAudio}, {"help-subdev", no_argument, nullptr, OptHelpSubDev}, {"help-selection", no_argument, nullptr, OptHelpSelection}, {"help-misc", no_argument, nullptr, OptHelpMisc}, @@ -111,6 +112,8 @@ static struct option long_options[] = { {"list-formats-out-ext", optional_argument, nullptr, OptListOutFormatsExt}, {"list-formats-meta", optional_argument, nullptr, OptListMetaFormats}, {"list-formats-meta-out", optional_argument, nullptr, OptListMetaOutFormats}, + {"list-formats-audio", optional_argument, nullptr, OptListAudioFormats}, + {"list-formats-audio-out", optional_argument, nullptr, OptListAudioOutFormats}, {"list-subdev-mbus-codes", optional_argument, nullptr, OptListSubDevMBusCodes}, {"list-subdev-framesizes", required_argument, nullptr, OptListSubDevFrameSizes}, {"list-subdev-frameintervals", required_argument, nullptr, OptListSubDevFrameIntervals}, @@ -166,6 +169,12 @@ static struct option long_options[] = { {"get-fmt-meta-out", no_argument, nullptr, OptGetMetaOutFormat}, {"set-fmt-meta-out", required_argument, nullptr, OptSetMetaOutFormat}, {"try-fmt-meta-out", required_argument, nullptr, OptTryMetaOutFormat}, + {"get-fmt-audio", no_argument, nullptr, OptGetAudioFormat}, + {"set-fmt-audio", required_argument, nullptr, OptSetAudioFormat}, + {"try-fmt-audio", required_argument, nullptr, OptTryAudioFormat}, + {"get-fmt-audio-out", no_argument, nullptr, OptGetAudioOutFormat}, + {"set-fmt-audio-out", required_argument, nullptr, OptSetAudioOutFormat}, + {"try-fmt-audio-out", required_argument, nullptr, OptTryAudioOutFormat}, {"get-subdev-fmt", optional_argument, nullptr, OptGetSubDevFormat}, {"set-subdev-fmt", required_argument, nullptr, OptSetSubDevFormat}, {"try-subdev-fmt", required_argument, nullptr, OptTrySubDevFormat}, @@ -233,6 +242,8 @@ static struct option long_options[] = { {"list-buffers-sdr-out", no_argument, nullptr, OptListBuffersSdrOut}, {"list-buffers-meta", no_argument, nullptr, OptListBuffersMeta}, {"list-buffers-meta-out", no_argument, nullptr, OptListBuffersMetaOut}, + {"list-buffers-audio", no_argument, nullptr, OptListBuffersAudio}, + {"list-buffers-audio-out", no_argument, nullptr, OptListBuffersAudioOut}, {"stream-count", required_argument, nullptr, OptStreamCount}, {"stream-skip", required_argument, nullptr, OptStreamSkip}, {"stream-loop", no_argument, nullptr, OptStreamLoop}, @@ -287,6 +298,7 @@ static void usage_all() vbi_usage(); sdr_usage(); meta_usage(); + audio_usage(); subdev_usage(); selection_usage(); misc_usage(); @@ -523,6 +535,13 @@ void printfmt(int fd, const struct v4l2_format &vfmt) printfmtname(fd, vfmt.type, vfmt.fmt.meta.dataformat).c_str()); printf("\tBuffer Size : %u\n", vfmt.fmt.meta.buffersize); break; + case V4L2_BUF_TYPE_AUDIO_CAPTURE: + case V4L2_BUF_TYPE_AUDIO_OUTPUT: + printf("\tAudio Format : '%s'%s\n", fcc2s(vfmt.fmt.audio.audioformat).c_str(), + printfmtname(fd, vfmt.type, vfmt.fmt.audio.audioformat).c_str()); + printf("\tChannels : %u\n", vfmt.fmt.audio.channels); + printf("\tBuffer Size : %u\n", vfmt.fmt.audio.buffersize); + break; } }
@@ -1213,6 +1232,9 @@ int main(int argc, char **argv) case OptHelpMeta: meta_usage(); return 0; + case OptHelpAudio: + audio_usage(); + return 0; case OptHelpSubDev: subdev_usage(); return 0; @@ -1284,6 +1306,7 @@ int main(int argc, char **argv) vbi_cmd(ch, optarg); sdr_cmd(ch, optarg); meta_cmd(ch, optarg); + audio_cmd(ch, optarg); subdev_cmd(ch, optarg); selection_cmd(ch, optarg); misc_cmd(ch, optarg); @@ -1315,6 +1338,7 @@ int main(int argc, char **argv) case MEDIA_TYPE_RADIO: case MEDIA_TYPE_SDR: case MEDIA_TYPE_TOUCH: + case MEDIA_TYPE_AUDIO: case MEDIA_TYPE_SUBDEV: break; default: @@ -1480,6 +1504,7 @@ int main(int argc, char **argv) vbi_set(c_fd); sdr_set(c_fd); meta_set(c_fd); + audio_set(c_fd); subdev_set(c_fd); selection_set(c_fd); misc_set(c_fd); @@ -1497,6 +1522,7 @@ int main(int argc, char **argv) vbi_get(c_fd); sdr_get(c_fd); meta_get(c_fd); + audio_get(c_fd); subdev_get(c_fd); selection_get(c_fd); misc_get(c_fd); @@ -1513,6 +1539,7 @@ int main(int argc, char **argv) vbi_list(c_fd); sdr_list(c_fd); meta_list(c_fd); + audio_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 cc7f1184..b9e7c352 100644 --- a/utils/v4l2-ctl/v4l2-ctl.h +++ b/utils/v4l2-ctl/v4l2-ctl.h @@ -86,6 +86,8 @@ enum Option { OptGetSdrOutFormat, OptGetMetaFormat, OptGetMetaOutFormat, + OptGetAudioFormat, + OptGetAudioOutFormat, OptGetSubDevFormat, OptSetSlicedVbiOutFormat, OptSetOverlayFormat, @@ -95,6 +97,8 @@ enum Option { OptSetSdrOutFormat, OptSetMetaFormat, OptSetMetaOutFormat, + OptSetAudioFormat, + OptSetAudioOutFormat, OptSetSubDevFormat, OptTryVideoOutFormat, OptTrySlicedVbiOutFormat, @@ -107,6 +111,8 @@ enum Option { OptTrySdrOutFormat, OptTryMetaFormat, OptTryMetaOutFormat, + OptTryAudioFormat, + OptTryAudioOutFormat, OptTrySubDevFormat, OptAll, OptListStandards, @@ -122,6 +128,8 @@ enum Option { OptListOutFormatsExt, OptListMetaFormats, OptListMetaOutFormats, + OptListAudioFormats, + OptListAudioOutFormats, OptListSubDevMBusCodes, OptListSubDevFrameSizes, OptListSubDevFrameIntervals, @@ -210,6 +218,8 @@ enum Option { OptListBuffersSdrOut, OptListBuffersMeta, OptListBuffersMetaOut, + OptListBuffersAudio, + OptListBuffersAudioOut, OptStreamCount, OptStreamSkip, OptStreamLoop, @@ -255,6 +265,7 @@ enum Option { OptHelpVbi, OptHelpSdr, OptHelpMeta, + OptHelpAudio, OptHelpSubDev, OptHelpSelection, OptHelpMisc, @@ -418,6 +429,13 @@ void meta_list(cv4l_fd &fd); void print_meta_buffer(FILE *f, cv4l_buffer &buf, cv4l_fmt &fmt, cv4l_queue &q); void meta_fillbuffer(cv4l_buffer &buf, cv4l_fmt &fmt, cv4l_queue &q);
+// v4l2-ctl-audio.cpp +void audio_usage(void); +void audio_cmd(int ch, char *optarg); +void audio_set(cv4l_fd &fd); +void audio_get(cv4l_fd &fd); +void audio_list(cv4l_fd &fd); + // v4l2-ctl-subdev.cpp void subdev_usage(void); void subdev_cmd(int ch, char *optarg);