diff options
| -rw-r--r-- | src/v4l2/v4l2_camera_proxy.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp index 852cca03..308a8abf 100644 --- a/src/v4l2/v4l2_camera_proxy.cpp +++ b/src/v4l2/v4l2_camera_proxy.cpp @@ -358,8 +358,9 @@ int V4L2CameraProxy::vidioc_reqbufs(struct v4l2_requestbuffers *arg) * don't support streaming mmap. Since we don't support readwrite and * userptr either, the application will get confused and think that * we don't support anything. - * On the other hand, if a format has a zero sizeimage (eg. MJPEG), - * we'll get a floating point exception when we try to stream it. + * On the other hand, if the set format at the time of reqbufs has a + * zero sizeimage we'll get a floating point exception when we try to + * stream it. */ if (sizeimage_ == 0) LOG(V4L2Compat, Warning) @@ -556,7 +557,7 @@ struct PixelFormatInfo { namespace { -static const std::array<PixelFormatInfo, 13> pixelFormatInfo = {{ +static const std::array<PixelFormatInfo, 14> pixelFormatInfo = {{ /* RGB formats. */ { PixelFormat(DRM_FORMAT_RGB888), V4L2_PIX_FMT_BGR24, 1, {{ { 24, 1, 1 }, { 0, 0, 0 }, { 0, 0, 0 } }} }, { PixelFormat(DRM_FORMAT_BGR888), V4L2_PIX_FMT_RGB24, 1, {{ { 24, 1, 1 }, { 0, 0, 0 }, { 0, 0, 0 } }} }, @@ -573,6 +574,13 @@ static const std::array<PixelFormatInfo, 13> pixelFormatInfo = {{ { PixelFormat(DRM_FORMAT_NV61), V4L2_PIX_FMT_NV61, 2, {{ { 8, 1, 1 }, { 16, 2, 1 }, { 0, 0, 0 } }} }, { PixelFormat(DRM_FORMAT_NV24), V4L2_PIX_FMT_NV24, 2, {{ { 8, 1, 1 }, { 16, 1, 1 }, { 0, 0, 0 } }} }, { PixelFormat(DRM_FORMAT_NV42), V4L2_PIX_FMT_NV42, 2, {{ { 8, 1, 1 }, { 16, 1, 1 }, { 0, 0, 0 } }} }, + /* Compressed formats. */ + /* + * \todo Get a better image size estimate for MJPEG, via + * StreamConfiguration, instead of using the worst-case + * width * height * bpp of uncompressed data. + */ + { PixelFormat(DRM_FORMAT_MJPEG), V4L2_PIX_FMT_MJPEG, 1, {{ { 16, 1, 1 }, { 0, 0, 0 }, { 0, 0, 0 } }} }, }}; } /* namespace */ |