Hi,
Thank you for this patch.
From: Arun Kumar K [mailto:arunkk.sams...@gmail.com] On Behalf Of Arun
Kumar K
Sent: Wednesday, May 14, 2014 9:00 AM
To: linux-media@vger.kernel.org; linux-samsung-...@vger.kernel.org
Cc: k.deb...@samsung.com; s.nawro...@samsung.com; hverk...@xs4all.nl;
laurent.pinch...@ideasonboard.com; posc...@chromium.org;
arunkk.sams...@gmail.com
Subject: [PATCH v5 2/2] [media] s5p-mfc: Add support for resolution
change event
From: Pawel Osciak posc...@chromium.org
When a resolution change point is reached, queue an event to signal the
userspace that a new set of buffers is required before decoding can
continue.
Signed-off-by: Pawel Osciak posc...@chromium.org
Signed-off-by: Arun Kumar K arun...@samsung.com
Acked-by: Kamil Debski k.deb...@samsung.com
---
drivers/media/platform/s5p-mfc/s5p_mfc.c |8
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c |2 ++
2 files changed, 10 insertions(+)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c
b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 6b04f17..f3a4576 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -349,8 +349,16 @@ static void s5p_mfc_handle_frame(struct
s5p_mfc_ctx *ctx,
/* All frames remaining in the buffer have been extracted */
if (dst_frame_status == S5P_FIMV_DEC_STATUS_DECODING_EMPTY) {
if (ctx-state == MFCINST_RES_CHANGE_FLUSH) {
+ static const struct v4l2_event ev_src_ch = {
+ .type = V4L2_EVENT_SOURCE_CHANGE,
+ .u.src_change.changes =
+ V4L2_EVENT_SRC_CH_RESOLUTION,
+ };
+
s5p_mfc_handle_frame_all_extracted(ctx);
ctx-state = MFCINST_RES_CHANGE_END;
+ v4l2_event_queue_fh(ctx-fh, ev_src_ch);
+
goto leave_handle_frame;
} else {
s5p_mfc_handle_frame_all_extracted(ctx);
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 4586186..326d8db 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -851,6 +851,8 @@ static int vidioc_subscribe_event(struct v4l2_fh
*fh,
switch (sub-type) {
case V4L2_EVENT_EOS:
return v4l2_event_subscribe(fh, sub, 2, NULL);
+ case V4L2_EVENT_SOURCE_CHANGE:
+ return v4l2_src_change_event_subscribe(fh, sub);
default:
return -EINVAL;
}
--
1.7.9.5
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