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Subject: [media] s5p-mfc: Add support for resolution change event Author: Pawel Osciak <[email protected]> Date: Wed May 14 03:59:43 2014 -0300 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 <[email protected]> Signed-off-by: Arun Kumar K <[email protected]> Acked-by: Sylwester Nawrocki <[email protected]> Acked-by: Kamil Debski <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/s5p-mfc/s5p_mfc.c | 8 ++++++++ drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 2 ++ 2 files changed, 10 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=0520e4cc3bb9ddc6eb7cc45d01191deee035b22a 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; } _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
