Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0520e4cc authored by Pawel Osciak's avatar Pawel Osciak Committed by Mauro Carvalho Chehab
Browse files

[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: default avatarPawel Osciak <posciak@chromium.org>
Signed-off-by: default avatarArun Kumar K <arun.kk@samsung.com>
Acked-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: default avatarKamil Debski <k.debski@samsung.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 3cbe6e5b

drivers/media/platform/s5p-mfc/s5p_mfc.c

+8 −0
Original line number Original line Diff line number Diff line
@@ -342,8 +342,16 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx, 
	/* All frames remaining in the buffer have been extracted  */

	/* All frames remaining in the buffer have been extracted  */

	if (dst_frame_status == S5P_FIMV_DEC_STATUS_DECODING_EMPTY) {

	if (dst_frame_status == S5P_FIMV_DEC_STATUS_DECODING_EMPTY) {

		if (ctx->state == MFCINST_RES_CHANGE_FLUSH) {

		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);

			s5p_mfc_handle_frame_all_extracted(ctx);

			ctx->state = MFCINST_RES_CHANGE_END;

			ctx->state = MFCINST_RES_CHANGE_END;

			v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);



			goto leave_handle_frame;

			goto leave_handle_frame;

		} else {

		} else {

			s5p_mfc_handle_frame_all_extracted(ctx);

			s5p_mfc_handle_frame_all_extracted(ctx);

drivers/media/platform/s5p-mfc/s5p_mfc_dec.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -867,6 +867,8 @@ static int vidioc_subscribe_event(struct v4l2_fh *fh, 
	switch (sub->type) {

	switch (sub->type) {

	case V4L2_EVENT_EOS:

	case V4L2_EVENT_EOS:

		return v4l2_event_subscribe(fh, sub, 2, NULL);

		return v4l2_event_subscribe(fh, sub, 2, NULL);

	case V4L2_EVENT_SOURCE_CHANGE:

		return v4l2_src_change_event_subscribe(fh, sub);

	default:

	default:

		return -EINVAL;

		return -EINVAL;

	}

	}