summaryrefslogtreecommitdiff
path: root/src/libcamera/v4l2_videodevice.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/libcamera/v4l2_videodevice.cpp')
-rw-r--r--src/libcamera/v4l2_videodevice.cpp16
1 files changed, 13 insertions, 3 deletions
diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp
index e95b0c01..4b9f8b5c 100644
--- a/src/libcamera/v4l2_videodevice.cpp
+++ b/src/libcamera/v4l2_videodevice.cpp
@@ -917,16 +917,19 @@ int V4L2VideoDevice::setFormatSingleplane(V4L2DeviceFormat *format)
/**
* \brief Enumerate all pixel formats and frame sizes
+ * \param[in] code Restrict formats to this media bus code.
*
* Enumerate all pixel formats and frame sizes supported by the video device.
+ * If the \a code argument is not zero, only formats compatible with that media
+ * bus code will be enumerated.
*
* \return A list of the supported video device formats
*/
-std::map<V4L2PixelFormat, std::vector<SizeRange>> V4L2VideoDevice::formats()
+std::map<V4L2PixelFormat, std::vector<SizeRange>> V4L2VideoDevice::formats(uint32_t code)
{
std::map<V4L2PixelFormat, std::vector<SizeRange>> formats;
- for (V4L2PixelFormat pixelFormat : enumPixelformats()) {
+ for (V4L2PixelFormat pixelFormat : enumPixelformats(code)) {
std::vector<SizeRange> sizes = enumSizes(pixelFormat);
if (sizes.empty())
return {};
@@ -944,15 +947,22 @@ std::map<V4L2PixelFormat, std::vector<SizeRange>> V4L2VideoDevice::formats()
return formats;
}
-std::vector<V4L2PixelFormat> V4L2VideoDevice::enumPixelformats()
+std::vector<V4L2PixelFormat> V4L2VideoDevice::enumPixelformats(uint32_t code)
{
std::vector<V4L2PixelFormat> formats;
int ret;
+ if (code && !(caps_.device_caps() & V4L2_CAP_IO_MC)) {
+ LOG(V4L2, Error)
+ << "Media bus code filtering not supported by the device";
+ return {};
+ }
+
for (unsigned int index = 0; ; index++) {
struct v4l2_fmtdesc pixelformatEnum = {};
pixelformatEnum.index = index;
pixelformatEnum.type = bufferType_;
+ pixelformatEnum.mbus_code = code;
ret = ioctl(VIDIOC_ENUM_FMT, &pixelformatEnum);
if (ret)