Some devices output an invalid DTS when B-frames aren't used. Using PTS for
the DTS in this case.
Signed-off-by: Rick Kern <ker...@gmail.com>
---
libavcodec/videotoolboxenc.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index 25c9648..72c7ba8 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -1034,6 +1034,15 @@ static int vtenc_cm_to_avpacket(
pts = CMSampleBufferGetPresentationTimeStamp(sample_buffer);
dts = CMSampleBufferGetDecodeTimeStamp (sample_buffer);
+ if (CMTIME_IS_INVALID(dts)) {
+ if (!vtctx->has_b_frames) {
+ dts = pts;
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "DTS is invalid.\n");
+ return AVERROR_EXTERNAL;
+ }
+ }
+
dts_delta = vtctx->dts_delta >= 0 ? vtctx->dts_delta : 0;
time_base_num = avctx->time_base.num;
pkt->pts = pts.value / time_base_num;
--
2.7.4
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