This patch mentions mem2mem codecs and the mem2mem draining flow signals in the VIDIOC_DECODER_CMD V4L2_DEC_CMD_STOP and VIDIOC_ENCODER_CMD V4L2_ENC_CMD_STOP documentation. Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> --- Documentation/DocBook/media/v4l/vidioc-decoder-cmd.xml | 6 +++++- Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml | 5 ++++- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/Documentation/DocBook/media/v4l/vidioc-decoder-cmd.xml b/Documentation/DocBook/media/v4l/vidioc-decoder-cmd.xml index 9215627..cbb7135 100644 --- a/Documentation/DocBook/media/v4l/vidioc-decoder-cmd.xml +++ b/Documentation/DocBook/media/v4l/vidioc-decoder-cmd.xml @@ -197,7 +197,11 @@ be muted when playing back at a non-standard speed. this command does nothing. This command has two flags: if <constant>V4L2_DEC_CMD_STOP_TO_BLACK</constant> is set, then the decoder will set the picture to black after it stopped decoding. Otherwise the last image will -repeat. If <constant>V4L2_DEC_CMD_STOP_IMMEDIATELY</constant> is set, then the decoder +repeat. mem2mem decoders will stop producing new frames altogether. They will send +a <constant>V4L2_EVENT_EOS</constant> event after the last frame was decoded and +will set the <constant>V4L2_BUF_FLAG_LAST</constant> buffer flag when there will +be no new buffers produced to dequeue. +If <constant>V4L2_DEC_CMD_STOP_IMMEDIATELY</constant> is set, then the decoder stops immediately (ignoring the <structfield>pts</structfield> value), otherwise it will keep decoding until timestamp >= pts or until the last of the pending data from its internal buffers was decoded. diff --git a/Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml b/Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml index 0619ca5..e9cf601 100644 --- a/Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml +++ b/Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml @@ -129,7 +129,10 @@ this command.</entry> encoding will continue until the end of the current <wordasword>Group Of Pictures</wordasword>, otherwise encoding will stop immediately. When the encoder is already stopped, this command does -nothing.</entry> +nothing. mem2mem encoders will send a <constant>V4L2_EVENT_EOS</constant> event +after the last frame was encoded and will set the +<constant>V4L2_BUF_FLAG_LAST</constant> buffer flag on the capture queue when +there will be no new buffers produced to dequeue</entry> </row> <row> <entry><constant>V4L2_ENC_CMD_PAUSE</constant></entry> -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
