Lines Matching refs:decoder
13 VIDIOC_DECODER_CMD - VIDIOC_TRY_DECODER_CMD - Execute an decoder command
38 These ioctls control an audio/video (usually MPEG-) decoder.
39 ``VIDIOC_DECODER_CMD`` sends a command to the decoder,
50 call sends an implicit START command to the decoder if it has not been
55 command to the decoder, and all buffered data is discarded. Applies to both
60 (as further documented in :ref:`decoder`).
76 - The decoder command, see :ref:`decoder-cmds`.
105 the decoder operates on full GOPs (*Group Of Pictures*). This is
106 usually the case for reverse playback: the decoder needs full
108 reverse playback the application must feed the decoder the last
145 - Start the decoder. When the decoder is already running or paused,
147 calling ``V4L2_DEC_CMD_START`` when the decoder was paused will
148 *not* resume the decoder. You have to explicitly call
153 For a device implementing the :ref:`decoder`, once the drain sequence
158 decoder in case of an implicit stop initiated by the decoder itself,
160 :ref:`decoder` for more details.
163 - Stop the decoder. When the decoder is already stopped, this
165 ``V4L2_DEC_CMD_STOP_TO_BLACK`` is set, then the decoder will set
168 ``V4L2_DEC_CMD_STOP_IMMEDIATELY`` is set, then the decoder stops
173 For a device implementing the :ref:`decoder`, the command will initiate
174 the drain sequence as documented in :ref:`decoder`. No flags or other
180 - Pause the decoder. When the decoder has not been started yet, the
181 driver will return an ``EPERM`` error code. When the decoder is
184 decoder output to black when paused.
187 - Resume decoding after a PAUSE command. When the decoder has not
189 the decoder is already running, this command does nothing. No
209 A drain sequence of a device implementing the :ref:`decoder` is still in
210 progress. It is not allowed to issue another decoder command until it
217 The application sent a PAUSE or RESUME command when the decoder was