media/v4l/dev-decoder.rst

91    raw frame available for reference in further decoding steps.
123    a point in the bytestream from which decoding may start/continue, without
126    of a new stream, or to resume decoding after a seek.
168        node [shape = doublecircle, label="Decoding"] Decoding;
185        Decoding -> ResChange [ label = "Stream\nresolution\nchange" ];
186        Decoding -> Drain [ label = "V4L2_DEC_CMD_STOP" ];
187        Decoding -> EoS [ label = "EoS mark\nin the stream" ];
188        Decoding -> Seek [ label = "VIDIOC_STREAMOFF(OUTPUT)" ];
189        Decoding -> Stopped [ label = "VIDIOC_STREAMOFF(CAPTURE)" ];
190        Decoding -> Decoding;
200        Seek -> Decoding [ label = "VIDIOC_STREAMON(OUTPUT)" ];
203        Stopped -> Decoding [ label = "V4L2_DEC_CMD_START\nor\nVIDIOC_STREAMON(CAPTURE)" ];
560 6.  If all the following conditions are met, the client may resume the decoding
572     the decoding by one of the following actions:
690 11. Call :c:func:`VIDIOC_STREAMON` on the ``CAPTURE`` queue to start decoding
693 Decoding  chapter
731   ``OUTPUT`` buffers queued in the past whose decoding results are only
732   available at later time, due to specifics of the decoding process.
739    ``CAPTURE`` buffer(s), which resulted from decoding that ``OUTPUT`` buffer
751    * the decoding order differs from the display order (i.e. the ``CAPTURE``
755 During the decoding, the decoder may initiate one of the special sequences, as
772 Should a decoding error occur, it will be reported to the client with the level
782 In case of a fatal failure that does not allow the decoding to continue, any
830       no fatal decoding errors or crashes occur, and implement any necessary
838       results when decoding. Although the decoder must handle that case without
844       V4L2_BUF_FLAG_ERROR set. See the `Decoding` section for further
853    initiated, due to the seek target having decoding parameters different from
893 to a different resolution during the decoding.
909 * the minimum number of buffers needed for decoding,
944 decoding process.
952        The decoding process must be resumed with either a pair of calls to