From b76a0e24f9effa64e48ff0567af0dc497dd99e84 Mon Sep 17 00:00:00 2001
From: rogerdpack <rogerpack2005@gmail.com>
Date: Fri, 23 Jan 2015 06:13:33 -0700
Subject: [PATCH] dshow: drop initial audio packets with weird timestamps
Signed-off-by: rogerdpack <rogerpack2005@gmail.com>
---
libavdevice/dshow_pin.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libavdevice/dshow_pin.c b/libavdevice/dshow_pin.c
index 1c0dca24099..5904c28b86f 100644
--- a/libavdevice/dshow_pin.c
+++ b/libavdevice/dshow_pin.c
@@ -320,6 +320,14 @@ libAVMemInputPin_Receive(libAVMemInputPin *this, IMediaSample *sample)
} else {
int64_t dummy;
IMediaSample_GetTime(sample, &curtime, &dummy);
+ if(curtime > 400000000000000000LL) {
+ /* initial frames sometimes start < 0 (shown as a very large number here,
+ like 437650244077016960 which FFmpeg doesn't like.
+ TODO figure out math. For now just drop them. */
+ av_log(NULL, AV_LOG_DEBUG,
+ "dshow dropping initial (or ending) audio frame with odd PTS too high %"PRId64"\n", curtime);
+ return S_OK;
+ }
curtime += pin->filter->start_time;
}
--
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