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avcodec/cuvid: check for and warn about invalid pkt_timebase

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This commit is contained in:
Timo Rothenpieler 2016-09-09 16:35:48 +02:00
parent 132adf73af
commit b91e0e5987
1 changed files with 11 additions and 2 deletions
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13
libavcodec/cuvid.c
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@ -258,7 +258,10 @@ static int cuvid_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
if (avpkt->pts != AV_NOPTS_VALUE) {
cupkt.flags = CUVID_PKT_TIMESTAMP;
cupkt.timestamp = av_rescale_q(avpkt->pts, avctx->pkt_timebase, (AVRational){1, 10000000});
if (avctx->pkt_timebase.num && avctx->pkt_timebase.den)
cupkt.timestamp = av_rescale_q(avpkt->pts, avctx->pkt_timebase, (AVRational){1, 10000000});
else
cupkt.timestamp = avpkt->pts;
}
} else {
cupkt.flags = CUVID_PKT_ENDOFSTREAM;
@ -363,7 +366,10 @@ static int cuvid_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
frame->width = avctx->width;
frame->height = avctx->height;
frame->pts = av_rescale_q(dispinfo.timestamp, (AVRational){1, 10000000}, avctx->pkt_timebase);
if (avctx->pkt_timebase.num && avctx->pkt_timebase.den)
frame->pts = av_rescale_q(dispinfo.timestamp, (AVRational){1, 10000000}, avctx->pkt_timebase);
else
frame->pts = dispinfo.timestamp;
/* CUVIDs opaque reordering breaks the internal pkt logic.
* So set pkt_pts and clear all the other pkt_ fields.
@ -679,6 +685,9 @@ static av_cold int cuvid_decode_init(AVCodecContext *avctx)
ctx->ever_flushed = 0;
if (!avctx->pkt_timebase.num || !avctx->pkt_timebase.den)
av_log(avctx, AV_LOG_WARNING, "Invalid pkt_timebase, passing timestamps as-is.\n");
return 0;
error: