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Diffstat (limited to 'DOCS/man/vo.rst')
| -rw-r--r-- | DOCS/man/vo.rst | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst index a3cc328b1d..69e4341b44 100644 --- a/DOCS/man/vo.rst +++ b/DOCS/man/vo.rst @@ -488,21 +488,28 @@ Available video output drivers are: Mode ID to use (resolution and frame rate). (default: 0) - ``--drm-osd-plane-id=<primary|overlay|N>`` - Select the DRM plane to use for OSD (or OSD and video). The plane can be - specified as ``primary``, which will pick the first applicable primary - plane; ``overlay``, which will pick the first applicable overlay plane; - or by index. The index is zero based, and related to the CRTC. When using - this option with the drm_prime renderer, it will only affect the OSD - contents. Otherwise it will set OSD & video plane. + ``--drm-draw-plane=<primary|overlay|N>`` + Select the DRM plane to which video and OSD is drawn to, under normal + circumstances. The plane can be specified as ``primary``, which will + pick the first applicable primary plane; ``overlay``, which will pick + the first applicable overlay plane; or by index. The index is zero + based, and related to the CRTC. (default: primary) - ``--drm-video-plane-id=<primary|overlay|N>`` - Select the DRM plane index to use for video layer. This option accepts - the same values as ``--drm-osd-plane-id``. This option has an effect - only when using the drm_prime renderer (which supports several layers) - together with ``vo=gpu`` and ``gpu-context=drm``. - (default: overlay) + When using this option with the drmprime-drm hwdec interop, only the OSD + is rendered to this plane. + + ``--drm-drmprime-video-plane=<primary|overlay|N>`` + Select the DRM plane to use for video with the drmprime-drm hwdec + interop (used by e.g. the rkmpp hwdec on RockChip SoCs, and v4l2 hwdec:s + on various other SoC:s). The plane is unused otherwise. This option + accepts the same values as ``--drm-draw-plane``. (default: overlay) + + To be able to successfully play 4K video on various SoCs you might need + to set ``--drm-draw-plane=overlay --drm-drmprime-video-plane=primary`` + and setting ``--drm-draw-surface-size=1920x1080``, to render the OSD at a + lower resolution (the video when handled by the hwdec will be on the + drmprime-video plane and at full 4K resolution) ``--drm-format=<xrgb8888|xrgb2101010>`` Select the DRM format to use (default: xrgb8888). This allows you to @@ -517,11 +524,18 @@ Available video output drivers are: This currently only has an effect when used together with the ``drm`` backend for the ``gpu`` VO. The ``drm`` VO always uses xrgb8888. - ``--drm-osd-size=<[WxH]>`` - Sets the OSD OpenGL size to the specified size. OSD will then be upscaled - to the current screen resolution. This option can be useful when using - several layers in high resolutions with a GPU which cannot handle it. - Note : this option is only available with DRM atomic support. + ``--drm-draw-surface-size=<[WxH]>`` + Sets the size of the surface used on the draw plane. The surface will + then be upscaled to the current screen resolution. This option can be + useful when used together with the drmprime-drm hwdec interop at high + resolutions, as it allows scaling the draw plane (which in this case + only handles the OSD) down to a size the GPU can handle. + + When used without the drmprime-drm hwdec interop this option will just + cause the video to get rendered at a different resolution and then + scaled to screen size. + + Note: this option is only available with DRM atomic support. (default: display resolution) ``mediacodec_embed`` (Android) |