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avsync: tsync: change the start condition [2/2]

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PD#TV-5393

Problem:
 when pcr and vpts distance is far,
 use the vpts as system time for
 cache video to avoid video underrun

solution:
   use vpts as system time for some
   special ts stream

Verify:
   x301

Change-Id: I2f151c526bb0113d4f0cf8bbd1a4772312857606
Signed-off-by: live.li <live.li@amlogic.com>
This commit is contained in:
live.li
2019-05-05 15:41:24 +08:00
committed by Luan Yuan
parent 6ed41184fa
commit c2f146e7ef
1 changed files with 9 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/amlogic/media/frame_sync/tsync_pcr.c
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@@ -389,15 +389,16 @@ void tsync_pcr_pcrscr_set(void)
}
} else {
ref_pcr = timestamp_pcrscr_get();
ref_pcr = timestamp_pcrscr_get();
if (cur_pcr > min_checkinpts) {
ref_pcr = min_checkinpts -
tsync_pcr_ref_latency;
timestamp_pcrscr_set(ref_pcr);
timestamp_pcrscr_enable(1);
tsync_use_demux_pcr = 0;
} else {
tsync_use_demux_pcr = 1;
if ((tsync_pcr_debug&0x01) && tsdemux_pcrscr_get_cb) {
pr_info("use the pcr from stream , the cur demux pcr is %x\n",
tsdemux_pcrscr_get_cb());
pr_info("the timestamp pcr is %x\n",
timestamp_pcrscr_get());
pr_info("the timestamp video pts is %x\n",
timestamp_firstvpts_get());
}
}
}
init_check_first_systemtime = ref_pcr;