DTS may be different from PTS only if both of these are true:
- the codec supports reordering
- the encoder has delay
---
libavcodec/encode.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/libavcodec/encode.c b/libavcodec/encode.c
index 0f78012747..fb3ab0db3c 100644
--- a/libavcodec/encode.c
+++ b/libavcodec/encode.c
@@ -211,7 +211,7 @@ int ff_encode_encode_cb(AVCodecContext *avctx, AVPacket
*avpkt,
if (avctx->codec->type == AVMEDIA_TYPE_VIDEO &&
!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- avpkt->pts = avpkt->dts = frame->pts;
+ avpkt->pts = frame->pts;
if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
if (avpkt->pts == AV_NOPTS_VALUE)
@@ -221,9 +221,12 @@ int ff_encode_encode_cb(AVCodecContext *avctx, AVPacket
*avpkt,
frame->nb_samples);
}
}
- if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
+
+ // dts equals pts unless there is reordering
+ // there can be no reordering if there is no encoder delay
+ if (!(avctx->codec_descriptor->props & AV_CODEC_PROP_REORDER) ||
+ !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
avpkt->dts = avpkt->pts;
- }
} else {
unref:
av_packet_unref(avpkt);
--
2.35.1
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