[Mesa-dev] [PATCH] st/omx/dec/h264: fix picture out-of-order with poc type 0 v2

Leo Liu leo.liu at amd.com
Tue Feb 24 07:09:43 PST 2015


poc counter should be reset with IDR frame,
otherwise there would be a re-order issue with
frames before and after IDR

v2: add commit message

Signed-off-by: Leo Liu <leo.liu at amd.com>
Reviewed-by: Christian K├Ânig <christian.koenig at amd.com>
Cc: "10.4 10.5" <mesa-stable at lists.freedesktop.org>
---
 src/gallium/state_trackers/omx/vid_dec_h264.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/state_trackers/omx/vid_dec_h264.c b/src/gallium/state_trackers/omx/vid_dec_h264.c
index 7b57785..e01e873 100644
--- a/src/gallium/state_trackers/omx/vid_dec_h264.c
+++ b/src/gallium/state_trackers/omx/vid_dec_h264.c
@@ -706,6 +706,11 @@ static void slice_header(vid_dec_PrivateType *priv, struct vl_rbsp *rbsp,
       if (pic_order_cnt_lsb != priv->codec_data.h264.pic_order_cnt_lsb)
          vid_dec_h264_EndFrame(priv);
 
+      if (IdrPicFlag) {
+         priv->codec_data.h264.pic_order_cnt_msb = 0;
+         priv->codec_data.h264.pic_order_cnt_lsb = 0;
+      }
+
       if ((pic_order_cnt_lsb < priv->codec_data.h264.pic_order_cnt_lsb) &&
           (priv->codec_data.h264.pic_order_cnt_lsb - pic_order_cnt_lsb) >= (max_pic_order_cnt_lsb / 2))
          pic_order_cnt_msb = priv->codec_data.h264.pic_order_cnt_msb + max_pic_order_cnt_lsb;
-- 
2.1.0



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