mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-29 05:44:11 +00:00
Code Issues Releases Wiki Activity

media: imx-jpeg: notify source chagne event when the first picture parsed

Browse source 
After gstreamer rework the dynamic resolution change handling, gstreamer
stop doing capture buffer allocation based on guesses and wait for the
source change event when available. It requires driver always notify
source change event in the initialization, even if the size parsed is
equal to the size set on capture queue. otherwise, the pipeline will be
stalled.

Currently driver may not notify source change event if the parsed format
and size are equal to those previously established, but it may stall the
gstreamer pipeline.

The link of gstreamer patch is
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4437

Fixes: b4e1fb8643 ("media: imx-jpeg: Support dynamic resolution change")
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Ming Qian 2023-10-09 14:16:57 +08:00 committed by Hans Verkuil
parent 63c5f1d8a8
commit b833b17849
2 changed files with 7 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
View file

@ -1348,7 +1348,8 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx,
q_data_cap = mxc_jpeg_get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
if (mxc_jpeg_compare_format(q_data_cap->fmt, jpeg_src_buf->fmt))
jpeg_src_buf->fmt = q_data_cap->fmt;
if (q_data_cap->fmt != jpeg_src_buf->fmt ||
if (ctx->need_initial_source_change_evt ||
q_data_cap->fmt != jpeg_src_buf->fmt ||
q_data_cap->w != jpeg_src_buf->w ||
q_data_cap->h != jpeg_src_buf->h) {
dev_dbg(dev, "Detected jpeg res=(%dx%d)->(%dx%d), pixfmt=%c%c%c%c\n",
@ -1392,6 +1393,7 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx,
mxc_jpeg_sizeimage(q_data_cap);
notify_src_chg(ctx);
ctx->source_change = 1;
ctx->need_initial_source_change_evt = false;
if (vb2_is_streaming(v4l2_m2m_get_dst_vq(ctx->fh.m2m_ctx)))
mxc_jpeg_set_last_buffer(ctx);
}
@ -1611,6 +1613,9 @@ static int mxc_jpeg_queue_setup(struct vb2_queue *q,
for (i = 0; i < *nplanes; i++)
sizes[i] = mxc_jpeg_get_plane_size(q_data, i);
if (V4L2_TYPE_IS_OUTPUT(q->type))
ctx->need_initial_source_change_evt = true;
return 0;
}

1
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h
View file

@ -99,6 +99,7 @@ struct mxc_jpeg_ctx {
enum mxc_jpeg_enc_state enc_state;
int slot;
unsigned int source_change;
bool need_initial_source_change_evt;
bool header_parsed;
struct v4l2_ctrl_handler ctrl_handler;
u8 jpeg_quality;