diff options
| author |   Philipp Zabel <p.zabel@pengutronix.de> | 2019-06-18 12:45:23 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-06-24 14:35:44 -0400 |
| commit | aa3972a358b6f13b482975152e3fa449b7a32974 (patch) | |
| tree | c036868af29268a39655673fbfb9a3b2e006eed4 /drivers | |
| parent | media: coda: increment sequence offset for the last returned frame (diff) | |
| download | linux-dev-aa3972a358b6f13b482975152e3fa449b7a32974.tar.xz linux-dev-aa3972a358b6f13b482975152e3fa449b7a32974.zip | |
media: coda: allow flagging last output buffer internally
Since V4L2_BUF_FLAG_LAST is a CAPTURE only flag, clear it from OUTPUT
buffers in QBUF and DQBUF. This allows to use the flag internally to
signal the last buffer to decode after a decoder stop command was
issued.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/platform/coda/coda-common.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index 0f5e6dcded99..935e8c408feb 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -879,9 +879,27 @@ static int coda_qbuf(struct file *file, void *priv, { struct coda_ctx *ctx = fh_to_ctx(priv); + if (ctx->inst_type == CODA_INST_DECODER && + buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) + buf->flags &= ~V4L2_BUF_FLAG_LAST; + return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf); } +static int coda_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) +{ + struct coda_ctx *ctx = fh_to_ctx(priv); + int ret; + + ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf); + + if (ctx->inst_type == CODA_INST_DECODER && + buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) + buf->flags &= ~V4L2_BUF_FLAG_LAST; + + return ret; +} + static bool coda_buf_is_end_of_stream(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf) { @@ -1295,7 +1313,7 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = { .vidioc_qbuf = coda_qbuf, .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, - .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, + .vidioc_dqbuf = coda_dqbuf, .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, |