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author | Pawel Osciak <posciak@chromium.org> | 2014-05-14 03:59:43 -0300 |
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committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-05-23 19:51:10 -0300 |
commit | 0520e4cc3bb9ddc6eb7cc45d01191deee035b22a (patch) | |
tree | 67444127f9e84f030544ced53ba31345fece1a74 | |
parent | 3cbe6e5bcad0b102c06b9c6029fda75630045475 (diff) | |
download | op-kernel-dev-0520e4cc3bb9ddc6eb7cc45d01191deee035b22a.zip op-kernel-dev-0520e4cc3bb9ddc6eb7cc45d01191deee035b22a.tar.gz |
[media] s5p-mfc: Add support for resolution change event
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 <posciak@chromium.org>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc.c | 8 | ||||
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index d5f634d..4172318 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -342,8 +342,16 @@ 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 6a8697e..4d93835 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -867,6 +867,8 @@ 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; } |