From 45e64941778058312d72711dbfcf039bb4ba5171 Mon Sep 17 00:00:00 2001
From: Frank Galligan <fgalligan@google.com>
Date: Tue, 5 Oct 2010 17:46:37 -0400
Subject: [PATCH] Change altref times to preceding pts+1.
Change the pts of the altref frame to be as close as possible to the
pts of the preceding frame and still be strictly increasing.
Change-Id: Iae3033a4c89ae5a9d0e5c4198e9196e5f3ee57c7
---
vp8/vp8_cx_iface.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/vp8/vp8_cx_iface.c b/vp8/vp8_cx_iface.c
index b4bb679b5b..8e50b7f1b0 100644
--- a/vp8/vp8_cx_iface.c
+++ b/vp8/vp8_cx_iface.c
@@ -763,12 +763,13 @@ static vpx_codec_err_t vp8e_encode(vpx_codec_alg_priv_t *ctx,
{
pkt.data.frame.flags |= VPX_FRAME_IS_INVISIBLE;
- // TODO: ideally this timestamp should be as close as
- // possible to the prior PTS so that if a decoder uses
- // pts to schedule when to do this, we start right after
- // last frame was decoded. Maybe should be set to
- // last time stamp. Invisible frames have no duration..
- pkt.data.frame.pts --;
+ // This timestamp should be as close as possible to the
+ // prior PTS so that if a decoder uses pts to schedule when
+ // to do this, we start right after last frame was decoded.
+ // Invisible frames have no duration.
+ pkt.data.frame.pts = ((cpi->last_time_stamp_seen
+ * ctx->cfg.g_timebase.den + round)
+ / ctx->cfg.g_timebase.num / 10000000) + 1;
pkt.data.frame.duration = 0;
}
--
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