diff options
Diffstat (limited to 'yavta.c')
| -rw-r--r-- | yavta.c | 54 |
1 files changed, 50 insertions, 4 deletions
@@ -90,10 +90,16 @@ static bool video_is_mplane(struct device *dev) dev->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; } +static bool video_is_meta(struct device *dev) +{ + return dev->type == V4L2_BUF_TYPE_META_CAPTURE; +} + static bool video_is_capture(struct device *dev) { return dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || - dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE; + dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE || + dev->type == V4L2_BUF_TYPE_META_CAPTURE; } static bool video_is_output(struct device *dev) @@ -113,6 +119,7 @@ static struct { { V4L2_BUF_TYPE_VIDEO_CAPTURE, 1, "Video capture", "capture", }, { V4L2_BUF_TYPE_VIDEO_OUTPUT, 1, "Video output mplanes", "output", }, { V4L2_BUF_TYPE_VIDEO_OVERLAY, 0, "Video overlay", "overlay" }, + { V4L2_BUF_TYPE_META_CAPTURE, 1, "Meta-data capture", "meta-capture", }, }; static int v4l2_buf_type_from_string(const char *str) @@ -380,6 +387,11 @@ static int video_querycap(struct device *dev, unsigned int *capabilities) { struct v4l2_capability cap; unsigned int caps; + bool has_video; + bool has_meta; + bool has_capture; + bool has_output; + bool has_mplane; int ret; memset(&cap, 0, sizeof cap); @@ -390,10 +402,26 @@ static int video_querycap(struct device *dev, unsigned int *capabilities) caps = cap.capabilities & V4L2_CAP_DEVICE_CAPS ? cap.device_caps : cap.capabilities; - printf("Device `%s' on `%s' (driver '%s') is a video %s (%s mplanes) device.\n", + has_video = caps & (V4L2_CAP_VIDEO_CAPTURE_MPLANE | + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_VIDEO_OUTPUT_MPLANE | + V4L2_CAP_VIDEO_OUTPUT); + has_meta = caps & V4L2_CAP_META_CAPTURE; + has_capture = caps & (V4L2_CAP_VIDEO_CAPTURE_MPLANE | + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_META_CAPTURE); + has_output = caps & (V4L2_CAP_VIDEO_OUTPUT_MPLANE | + V4L2_CAP_VIDEO_OUTPUT); + has_mplane = caps & (V4L2_CAP_VIDEO_CAPTURE_MPLANE | + V4L2_CAP_VIDEO_OUTPUT_MPLANE); + + printf("Device `%s' on `%s' (driver '%s') supports%s%s%s%s %s mplanes.\n", cap.card, cap.bus_info, cap.driver, - caps & (V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_CAPTURE) ? "capture" : "output", - caps & (V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_OUTPUT_MPLANE) ? "with" : "without"); + has_video ? " video," : "", + has_meta ? " meta-data," : "", + has_capture ? " capture," : "", + has_output ? " output," : "", + has_mplane ? "with" : "without"); *capabilities = caps; @@ -410,6 +438,8 @@ static int cap_get_buf_type(unsigned int capabilities) return V4L2_BUF_TYPE_VIDEO_CAPTURE; } else if (capabilities & V4L2_CAP_VIDEO_OUTPUT) { return V4L2_BUF_TYPE_VIDEO_OUTPUT; + } else if (capabilities & V4L2_CAP_META_CAPTURE) { + return V4L2_BUF_TYPE_META_CAPTURE; } else { printf("Device supports neither capture nor output.\n"); return -EINVAL; @@ -589,6 +619,14 @@ static int video_get_format(struct device *dev) fmt.fmt.pix_mp.plane_fmt[i].bytesperline, fmt.fmt.pix_mp.plane_fmt[i].sizeimage); } + } else if (video_is_meta(dev)) { + dev->width = 0; + dev->height = 0; + dev->num_planes = 1; + + printf("Meta-data format: %s (%08x) buffer size %u\n", + v4l2_format_name(fmt.fmt.meta.dataformat), fmt.fmt.meta.dataformat, + fmt.fmt.meta.buffersize); } else { dev->width = fmt.fmt.pix.width; dev->height = fmt.fmt.pix.height; @@ -633,6 +671,9 @@ static int video_set_format(struct device *dev, unsigned int w, unsigned int h, fmt.fmt.pix_mp.plane_fmt[i].bytesperline = stride; fmt.fmt.pix_mp.plane_fmt[i].sizeimage = buffer_size; } + } else if (video_is_meta(dev)) { + fmt.fmt.meta.dataformat = format; + fmt.fmt.meta.buffersize = buffer_size; } else { fmt.fmt.pix.width = w; fmt.fmt.pix.height = h; @@ -663,6 +704,10 @@ static int video_set_format(struct device *dev, unsigned int w, unsigned int h, fmt.fmt.pix_mp.plane_fmt[i].bytesperline, fmt.fmt.pix_mp.plane_fmt[i].sizeimage); } + } else if (video_is_meta(dev)) { + printf("Meta-data format: %s (%08x) buffer size %u\n", + v4l2_format_name(fmt.fmt.meta.dataformat), fmt.fmt.meta.dataformat, + fmt.fmt.meta.buffersize); } else { printf("Video format set: %s (%08x) %ux%u (stride %u) field %s buffer size %u\n", v4l2_format_name(fmt.fmt.pix.pixelformat), fmt.fmt.pix.pixelformat, @@ -2145,6 +2190,7 @@ int main(int argc, char *argv[]) video_enum_formats(&dev, V4L2_BUF_TYPE_VIDEO_OUTPUT); video_enum_formats(&dev, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); video_enum_formats(&dev, V4L2_BUF_TYPE_VIDEO_OVERLAY); + video_enum_formats(&dev, V4L2_BUF_TYPE_META_CAPTURE); } if (do_enum_inputs) { |