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[25/28] media: coda: mark last returned frame

Message ID 20190618164535.20162-26-p.zabel@pengutronix.de (mailing list archive)
State New, archived
Headers show
Series media: coda: fixes and improvements | expand

Commit Message

Philipp Zabel June 18, 2019, 4:45 p.m. UTC
If reordering is not enabled, the last decoded frame has to be the last
returned buffer. Otherwise wait for the firmware to report no more
frame to display. In that case the return buffer is the last one as
well, and can be reported as such.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
 drivers/media/platform/coda/coda-bit.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 1157454e3bc8..167a92772c84 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -2381,6 +2381,23 @@  static void coda_finish_decode(struct coda_ctx *ctx)
 					     V4L2_BUF_FLAG_BFRAME);
 		dst_buf->flags |= ready_frame->type;
 		meta = &ready_frame->meta;
+		if (meta->last && !coda_reorder_enable(ctx)) {
+			/*
+			 * If this was the last decoded frame, and reordering
+			 * is disabled, this will be the last display frame.
+			 */
+			coda_dbg(1, ctx, "last meta, marking as last frame\n");
+			dst_buf->flags |= V4L2_BUF_FLAG_LAST;
+		} else if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG &&
+			   display_idx == -1) {
+			/*
+			 * If there is no designated presentation frame anymore,
+			 * this frame has to be the last one.
+			 */
+			coda_dbg(1, ctx,
+				 "no more frames to return, marking as last frame\n");
+			dst_buf->flags |= V4L2_BUF_FLAG_LAST;
+		}
 		dst_buf->timecode = meta->timecode;
 		dst_buf->vb2_buf.timestamp = meta->timestamp;