[v2,01/12] media: rkvdec: h264: Fix reference frame_num wrap for second field
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Message ID 20200706215430.22859-2-jonas@kwiboo.se
State New
Headers show
  • media: rkvdec: Add H.264 High 10 and 4:2:2 profile support
Related show

Commit Message

Jonas Karlman July 6, 2020, 9:54 p.m. UTC
When decoding the second field in a complementary field pair the second
field is sharing the same frame_num with the first field.

Currently the frame_num for the first field is wrapped when it matches the
field being decoded, this cause issues to decode the second field in a
complementary field pair.

Fix this by using inclusive comparison, less than or equal.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Changes in v2:
- Collect r-b tag
 drivers/staging/media/rkvdec/rkvdec-h264.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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diff --git a/drivers/staging/media/rkvdec/rkvdec-h264.c b/drivers/staging/media/rkvdec/rkvdec-h264.c
index 7b66e2743a4f..f0cfed84d60d 100644
--- a/drivers/staging/media/rkvdec/rkvdec-h264.c
+++ b/drivers/staging/media/rkvdec/rkvdec-h264.c
@@ -754,7 +754,7 @@  static void assemble_hw_rps(struct rkvdec_ctx *ctx,
 		if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM ||
-		    dpb[i].frame_num < sl_params->frame_num) {
+		    dpb[i].frame_num <= sl_params->frame_num) {
 			p[i] = dpb[i].frame_num;