From: Boris Brezillon <boris.brezillon@collabora.com> To: Jernej Skrabec <jernej.skrabec@siol.net> Cc: mchehab@kernel.org, hverkuil-cisco@xs4all.nl, paul.kocialkowski@bootlin.com, mripard@kernel.org, pawel@osciak.com, m.szyprowski@samsung.com, kyungmin.park@samsung.com, tfiga@chromium.org, wens@csie.org, acourbot@chromium.org, gregkh@linuxfoundation.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org, linux-arm-kernel@lists.infradead.org, ezequiel@collabora.com, jonas@kwiboo.se Subject: Re: [PATCH 2/8] videodev2.h: add V4L2_DEC_CMD_FLUSH Date: Mon, 26 Aug 2019 20:30:58 +0200 [thread overview] Message-ID: <20190826203058.0b3ffece@collabora.com> (raw) In-Reply-To: <20190822194500.2071-3-jernej.skrabec@siol.net> On Thu, 22 Aug 2019 21:44:54 +0200 Jernej Skrabec <jernej.skrabec@siol.net> wrote: > From: Hans Verkuil <hverkuil-cisco@xs4all.nl> > > Add this new V4L2_DEC_CMD_FLUSH decoder command and document it. > > Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> > --- > Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst | 11 ++++++++++- > Documentation/media/videodev2.h.rst.exceptions | 1 + > include/uapi/linux/videodev2.h | 1 + > 3 files changed, 12 insertions(+), 1 deletion(-) > > diff --git a/Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst b/Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst > index 57f0066f4cff..0bffef6058f7 100644 > --- a/Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst > +++ b/Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst > @@ -208,7 +208,16 @@ introduced in Linux 3.3. They are, however, mandatory for stateful mem2mem decod > been started yet, the driver will return an ``EPERM`` error code. When > the decoder is already running, this command does nothing. No > flags are defined for this command. > - > + * - ``V4L2_DEC_CMD_FLUSH`` > + - 4 > + - Flush any held capture buffers. Only valid for stateless decoders, > + and only if ``V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF`` was set. > + This command is typically used when the application reached the > + end of the stream and the last output buffer had the > + ``V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF`` flag set. This would prevent > + dequeueing the last capture buffer containing the last decoded frame. > + So this command can be used to explicitly flush that last decoded > + frame. > > Return Value > ============ > diff --git a/Documentation/media/videodev2.h.rst.exceptions b/Documentation/media/videodev2.h.rst.exceptions > index adeb6b7a15cb..a79028e4d929 100644 > --- a/Documentation/media/videodev2.h.rst.exceptions > +++ b/Documentation/media/videodev2.h.rst.exceptions > @@ -434,6 +434,7 @@ replace define V4L2_DEC_CMD_START decoder-cmds > replace define V4L2_DEC_CMD_STOP decoder-cmds > replace define V4L2_DEC_CMD_PAUSE decoder-cmds > replace define V4L2_DEC_CMD_RESUME decoder-cmds > +replace define V4L2_DEC_CMD_FLUSH decoder-cmds > > replace define V4L2_DEC_CMD_START_MUTE_AUDIO decoder-cmds > replace define V4L2_DEC_CMD_PAUSE_TO_BLACK decoder-cmds > diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h > index 4fa9f543742d..91a79e16089c 100644 > --- a/include/uapi/linux/videodev2.h > +++ b/include/uapi/linux/videodev2.h > @@ -1978,6 +1978,7 @@ struct v4l2_encoder_cmd { > #define V4L2_DEC_CMD_STOP (1) > #define V4L2_DEC_CMD_PAUSE (2) > #define V4L2_DEC_CMD_RESUME (3) > +#define V4L2_DEC_CMD_FLUSH (4) > > /* Flags for V4L2_DEC_CMD_START */ > #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
WARNING: multiple messages have this Message-ID (diff)
From: Boris Brezillon <boris.brezillon@collabora.com> To: Jernej Skrabec <jernej.skrabec@siol.net> Cc: devel@driverdev.osuosl.org, acourbot@chromium.org, pawel@osciak.com, jonas@kwiboo.se, gregkh@linuxfoundation.org, wens@csie.org, mripard@kernel.org, tfiga@chromium.org, paul.kocialkowski@bootlin.com, kyungmin.park@samsung.com, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, hverkuil-cisco@xs4all.nl, mchehab@kernel.org, ezequiel@collabora.com, linux-kernel@vger.kernel.org, m.szyprowski@samsung.com Subject: Re: [PATCH 2/8] videodev2.h: add V4L2_DEC_CMD_FLUSH Date: Mon, 26 Aug 2019 20:30:58 +0200 [thread overview] Message-ID: <20190826203058.0b3ffece@collabora.com> (raw) In-Reply-To: <20190822194500.2071-3-jernej.skrabec@siol.net> On Thu, 22 Aug 2019 21:44:54 +0200 Jernej Skrabec <jernej.skrabec@siol.net> wrote: > From: Hans Verkuil <hverkuil-cisco@xs4all.nl> > > Add this new V4L2_DEC_CMD_FLUSH decoder command and document it. > > Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> > --- > Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst | 11 ++++++++++- > Documentation/media/videodev2.h.rst.exceptions | 1 + > include/uapi/linux/videodev2.h | 1 + > 3 files changed, 12 insertions(+), 1 deletion(-) > > diff --git a/Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst b/Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst > index 57f0066f4cff..0bffef6058f7 100644 > --- a/Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst > +++ b/Documentation/media/uapi/v4l/vidioc-decoder-cmd.rst > @@ -208,7 +208,16 @@ introduced in Linux 3.3. They are, however, mandatory for stateful mem2mem decod > been started yet, the driver will return an ``EPERM`` error code. When > the decoder is already running, this command does nothing. No > flags are defined for this command. > - > + * - ``V4L2_DEC_CMD_FLUSH`` > + - 4 > + - Flush any held capture buffers. Only valid for stateless decoders, > + and only if ``V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF`` was set. > + This command is typically used when the application reached the > + end of the stream and the last output buffer had the > + ``V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF`` flag set. This would prevent > + dequeueing the last capture buffer containing the last decoded frame. > + So this command can be used to explicitly flush that last decoded > + frame. > > Return Value > ============ > diff --git a/Documentation/media/videodev2.h.rst.exceptions b/Documentation/media/videodev2.h.rst.exceptions > index adeb6b7a15cb..a79028e4d929 100644 > --- a/Documentation/media/videodev2.h.rst.exceptions > +++ b/Documentation/media/videodev2.h.rst.exceptions > @@ -434,6 +434,7 @@ replace define V4L2_DEC_CMD_START decoder-cmds > replace define V4L2_DEC_CMD_STOP decoder-cmds > replace define V4L2_DEC_CMD_PAUSE decoder-cmds > replace define V4L2_DEC_CMD_RESUME decoder-cmds > +replace define V4L2_DEC_CMD_FLUSH decoder-cmds > > replace define V4L2_DEC_CMD_START_MUTE_AUDIO decoder-cmds > replace define V4L2_DEC_CMD_PAUSE_TO_BLACK decoder-cmds > diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h > index 4fa9f543742d..91a79e16089c 100644 > --- a/include/uapi/linux/videodev2.h > +++ b/include/uapi/linux/videodev2.h > @@ -1978,6 +1978,7 @@ struct v4l2_encoder_cmd { > #define V4L2_DEC_CMD_STOP (1) > #define V4L2_DEC_CMD_PAUSE (2) > #define V4L2_DEC_CMD_RESUME (3) > +#define V4L2_DEC_CMD_FLUSH (4) > > /* Flags for V4L2_DEC_CMD_START */ > #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-08-26 18:31 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-22 19:44 [PATCH 0/8] media: cedrus: h264: Support multi-slice frames Jernej Skrabec 2019-08-22 19:44 ` Jernej Skrabec 2019-08-22 19:44 ` [PATCH 1/8] vb2: add V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF Jernej Skrabec 2019-08-22 19:44 ` Jernej Skrabec 2019-08-22 19:44 ` [PATCH 2/8] videodev2.h: add V4L2_DEC_CMD_FLUSH Jernej Skrabec 2019-08-22 19:44 ` Jernej Skrabec 2019-08-26 18:30 ` Boris Brezillon [this message] 2019-08-26 18:30 ` Boris Brezillon 2019-08-30 9:38 ` Alexandre Courbot 2019-08-30 9:38 ` Alexandre Courbot 2019-08-30 9:44 ` Hans Verkuil 2019-08-30 9:44 ` Hans Verkuil 2019-08-30 9:48 ` Alexandre Courbot 2019-08-30 9:48 ` Alexandre Courbot 2019-08-22 19:44 ` [PATCH 3/8] media: docs-rst: Document m2m stateless video decoder interface Jernej Skrabec 2019-08-22 19:44 ` Jernej Skrabec 2019-08-22 19:44 ` [PATCH 4/8] media: docs-rst: Document memory-to-memory video encoder interface Jernej Skrabec 2019-08-22 19:44 ` Jernej Skrabec 2019-08-22 19:44 ` [PATCH 5/8] media: cedrus: Detect first slice of a frame Jernej Skrabec 2019-08-22 19:44 ` Jernej Skrabec 2019-08-26 18:28 ` Boris Brezillon 2019-08-26 18:28 ` Boris Brezillon 2019-08-26 18:47 ` Jernej Škrabec 2019-08-26 18:47 ` Jernej Škrabec 2019-08-29 19:04 ` Jernej Škrabec 2019-08-29 19:04 ` Jernej Škrabec 2019-08-30 5:48 ` Boris Brezillon 2019-08-30 5:48 ` Boris Brezillon 2019-08-30 17:19 ` Nicolas Dufresne 2019-08-30 17:19 ` Nicolas Dufresne 2019-08-30 17:19 ` Nicolas Dufresne 2019-08-30 7:28 ` Hans Verkuil 2019-08-30 7:28 ` Hans Verkuil 2019-08-22 19:44 ` [PATCH 6/8] media: cedrus: h264: Support multiple slices per frame Jernej Skrabec 2019-08-22 19:44 ` Jernej Skrabec 2019-08-22 19:44 ` [PATCH 7/8] media: cedrus: Add support for holding capture buffer Jernej Skrabec 2019-08-22 19:44 ` Jernej Skrabec 2019-08-26 18:38 ` Boris Brezillon 2019-08-26 18:38 ` Boris Brezillon 2019-08-29 11:23 ` Hans Verkuil 2019-08-29 11:23 ` Hans Verkuil 2019-09-04 23:14 ` Jernej Škrabec 2019-09-04 23:14 ` Jernej Škrabec 2019-09-04 23:14 ` Jernej Škrabec 2019-08-22 19:45 ` [PATCH 8/8] media: cedrus: Add support for V4L2_DEC_CMD_FLUSH Jernej Skrabec 2019-08-22 19:45 ` Jernej Skrabec 2019-08-26 18:55 ` Boris Brezillon 2019-08-26 18:55 ` Boris Brezillon 2019-08-29 11:11 ` Hans Verkuil 2019-08-29 11:11 ` Hans Verkuil
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