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Diffstat (limited to 'Documentation/userspace-api/media/v4l/dev-decoder.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/dev-decoder.rst | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/userspace-api/media/v4l/dev-decoder.rst b/Documentation/userspace-api/media/v4l/dev-decoder.rst index 606b54947e10..3d4138a4ba69 100644 --- a/Documentation/userspace-api/media/v4l/dev-decoder.rst +++ b/Documentation/userspace-api/media/v4l/dev-decoder.rst @@ -247,7 +247,7 @@ Querying Capabilities Initialization ============== -1. Set the coded format on ``OUTPUT`` via :c:func:`VIDIOC_S_FMT` +1. Set the coded format on ``OUTPUT`` via :c:func:`VIDIOC_S_FMT`. * **Required fields:** @@ -803,7 +803,7 @@ it may be affected as per normal decoder operation. * The decoder will drop all the pending ``OUTPUT`` buffers and they must be treated as returned to the client (following standard semantics). -2. Restart the ``OUTPUT`` queue via :c:func:`VIDIOC_STREAMON` +2. Restart the ``OUTPUT`` queue via :c:func:`VIDIOC_STREAMON`. * **Required fields:** @@ -906,7 +906,9 @@ reflected by corresponding queries): * visible resolution (selection rectangles), -* the minimum number of buffers needed for decoding. +* the minimum number of buffers needed for decoding, + +* bit-depth of the bitstream has been changed. Whenever that happens, the decoder must proceed as follows: @@ -1059,7 +1061,7 @@ sequence was started. ``V4L2_DEC_CMD_STOP`` again while the drain sequence is in progress and they will fail with -EBUSY error code if attempted. - Although mandatory, the availability of decoder commands may be queried + Although not mandatory, the availability of decoder commands may be queried using :c:func:`VIDIOC_TRY_DECODER_CMD`. End of Stream |