Commit aa3972a3 authored by Philipp Zabel's avatar Philipp Zabel Committed by Mauro Carvalho Chehab
Browse files

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: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent b3b7d968

drivers/media/platform/coda/coda-common.c

+19 −1
Original line number Diff line number Diff line
@@ -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,

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