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avsync: Use the video start pts to init pcr [3/3]

Browse Source 
PD#SWPL-21670

Problem:
Play from beginning,it will get stuck for a while

Solution:
Use the video start pts to init pcr if audio invalid

Verify:
Verified ok on patch-build

Change-Id: I0673d811889cb6b9ae3301355f09b268725d472d
Signed-off-by: Zhizhong Zhang <zhizhong.zhang@amlogic.com>
This commit is contained in:
Zhizhong Zhang
2020-03-12 12:48:10 +08:00
committed by Chris
parent 0959087c0c
commit 5221e9d5db
1 changed files with 10 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/amlogic/media/frame_sync/tsync_pcr.c
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@@ -380,6 +380,7 @@ u32 tsync_pcr_get_ref_pcr(void)
u32 ref_pcr = 0;
uint64_t audio_cache_pts = 0;
uint64_t video_cache_pts = 0;
uint64_t pts_cache_tmp = 0;
int audio_cache_ms = 0;
int video_cache_ms = 0;
int diff = 0;
@@ -393,20 +394,25 @@ u32 tsync_pcr_get_ref_pcr(void)
first_apts = first_checkin_apts;
if (!first_vpts)
first_vpts = first_checkin_vpts;
/*Use the firs output vpts to calc buffer cache and init pcr*/
if (tsync_pcr_vstart_flag == 1) {
first_vpts = tsync_pcr_first_video_frame_pts;
pr_info("Video Start, first vpts:0x%x\n", first_vpts);
}
cur_checkin_vpts = get_last_checkin_pts(PTS_TYPE_VIDEO);
cur_checkin_apts = get_last_checkin_pts(PTS_TYPE_AUDIO);
video_cache_pts = cur_checkin_vpts - first_vpts;
audio_cache_pts = cur_checkin_apts - first_apts;
if ((first_apts == 0) && (cur_checkin_apts == 0xffffffff))
audio_cache_pts = 0;
pts_cache_tmp = audio_cache_pts;
#ifdef CONFIG_64BIT
audio_cache_ms = audio_cache_pts / 90;
video_cache_ms = video_cache_pts / 90;
#else
do_div(audio_cache_pts, 90);
do_div(video_cache_pts, 90);
audio_cache_ms = audio_cache_pts;
video_cache_ms = video_cache_pts;
audio_cache_ms = do_div(pts_cache_tmp, 90);
pts_cache_tmp = video_cache_pts;
video_cache_ms = do_div(pts_cache_tmp, 90);
#endif
pr_info("get_ref_pcr:apts(%x,%x,%x,cache:%dms),vpts(%x,%x,%x,cache:%dms)\n",