vav1: fix vav1 freeze when fps changed. [1/1]

PD#SWPL-31264

Problem:
vav1 freeze when fps change.

Solution:
reset pts save and recalc duration when
last out pts larger than in pts.

Verify:
ah212

Change-Id: Ibe267df597dc8a4b5798c88d5520bd5b9a68109e
Signed-off-by: shihong.zheng <shihong.zheng@amlogic.com>

diff --git a/drivers/frame_provider/decoder/vav1/vav1.c b/drivers/frame_provider/decoder/vav1/vav1.c
index 4a8e2ebc0779c454e7d40fee1b2806eeb16d1f1c..24bb51975a2b001e706e56bc291c9fa3c813aa13 100644 (file)
--- a/drivers/frame_provider/decoder/vav1/vav1.c
+++ b/drivers/frame_provider/decoder/vav1/vav1.c
@@ -701,6 +701,7 @@ struct AV1HW_s {
 
        u32 pts_unstable;
        bool av1_first_pts_ready;
+       bool dur_recalc_flag;
        u8  first_pts_index;
        u32 frame_mode_pts_save[FRAME_BUFFERS];
        u64 frame_mode_pts64_save[FRAME_BUFFERS];
@@ -6111,6 +6112,8 @@ static int prepare_display_buf(struct AV1HW_s *hw,
                                                break;
                                        }
                                }
+                               if (i == (FRAME_BUFFERS - 1))
+                                       hw->dur_recalc_flag = 1;
                        }
                } else {
                        av1_print(hw, AV1_DEBUG_OUT_PTS,
@@ -8742,6 +8745,7 @@ static int vav1_local_init(struct AV1HW_s *hw)
        hw->get_frame_dur = false;
        on_no_keyframe_skiped = 0;
        hw->first_pts_index = 0;
+       hw->dur_recalc_flag = 0;
        hw->av1_first_pts_ready = false;
        width = hw->vav1_amstream_dec_info.width;
        height = hw->vav1_amstream_dec_info.height;
@@ -9611,10 +9615,28 @@ static void av1_frame_mode_pts_save(struct AV1HW_s *hw)
                if ((hw->chunk->pts == 0) ||
                        (hw->frame_mode_pts_save[0] == hw->chunk->pts))
                return;
+
+               /* fps change, frame dur change to lower or higher,
+                * can't find closed pts in saved pool */
+               if ((hw->dur_recalc_flag) ||
+                       (hw->last_pts >  hw->chunk->pts)) {
+                       hw->av1_first_pts_ready = 0;
+                       hw->first_pts_index = 0;
+                       hw->get_frame_dur = 0;
+                       hw->dur_recalc_flag = 0;
+                       memset(hw->frame_mode_pts_save, 0,
+                               sizeof(hw->frame_mode_pts_save));
+                       memset(hw->frame_mode_pts64_save, 0,
+                               sizeof(hw->frame_mode_pts64_save));
+                       /*v4l use*/
+                       memset(hw->frame_mode_timestamp_save, 0,
+                               sizeof(hw->frame_mode_timestamp_save));
+               }
        }
        av1_print(hw, AV1_DEBUG_OUT_PTS,
                "run_front: pts %d, pts64 %lld, ts: %llu\n",
                hw->chunk->pts, hw->chunk->pts64, hw->chunk->timestamp);
+
        for (i = (FRAME_BUFFERS - 1); i > 0; i--) {
                hw->frame_mode_pts_save[i] = hw->frame_mode_pts_save[i - 1];
                hw->frame_mode_pts64_save[i] = hw->frame_mode_pts64_save[i - 1];
@@ -9626,7 +9648,7 @@ static void av1_frame_mode_pts_save(struct AV1HW_s *hw)
        if (hw->first_pts_index < ARRAY_SIZE(hw->frame_mode_pts_save))
                hw->first_pts_index++;
        /* frame duration check, vdec_secure return for nts problem */
-       if ((!hw->frame_count) || hw->get_frame_dur || vdec_secure(hw_to_vdec(hw)))
+       if ((!hw->first_pts_index) || hw->get_frame_dur || vdec_secure(hw_to_vdec(hw)))
                return;
        valid_pts_diff_cnt = 0;
        pts_diff_sum = 0;