diff options
Diffstat (limited to 'Documentation/admin-guide/media')
| -rw-r--r-- | Documentation/admin-guide/media/visl.rst | 12 | ||||
| -rw-r--r-- | Documentation/admin-guide/media/vivid.rst | 2 |
2 files changed, 11 insertions, 3 deletions
diff --git a/Documentation/admin-guide/media/visl.rst b/Documentation/admin-guide/media/visl.rst index db1ef29438..cd45145cde 100644 --- a/Documentation/admin-guide/media/visl.rst +++ b/Documentation/admin-guide/media/visl.rst @@ -49,6 +49,10 @@ Module parameters visl_dprintk_frame_start, visl_dprintk_nframes, but controls the dumping of buffer data through debugfs instead. +- tpg_verbose: Write extra information on each output frame to ease debugging + the API. When set to true, the output frames are not stable for a given input + as some information like pointers or queue status will be added to them. + What is the default use case for this driver? --------------------------------------------- @@ -57,8 +61,12 @@ This assumes that a working client is run against visl and that the ftrace and OUTPUT buffer data is subsequently used to debug a work-in-progress implementation. -Information on reference frames, their timestamps, the status of the OUTPUT and -CAPTURE queues and more can be read directly from the CAPTURE buffers. +Even though no video decoding is actually done, the output frames can be used +against a reference for a given input, except if tpg_verbose is set to true. + +Depending on the tpg_verbose parameter value, information on reference frames, +their timestamps, the status of the OUTPUT and CAPTURE queues and more can be +read directly from the CAPTURE buffers. Supported codecs ---------------- diff --git a/Documentation/admin-guide/media/vivid.rst b/Documentation/admin-guide/media/vivid.rst index 58ac25b2c3..b6f658c099 100644 --- a/Documentation/admin-guide/media/vivid.rst +++ b/Documentation/admin-guide/media/vivid.rst @@ -60,7 +60,7 @@ all configurable using the following module options: - node_types: which devices should each driver instance create. An array of - hexadecimal values, one for each instance. The default is 0x1d3d. + hexadecimal values, one for each instance. The default is 0xe1d3d. Each value is a bitmask with the following meaning: - bit 0: Video Capture node |