shithub: libvpx

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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

--- a/vp8/vp8_cx_iface.c

+++ b/vp8/vp8_cx_iface.c

@@ -763,12 +763,13 @@

                 {

                     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;

                 }