On Mon, 20 Feb 2012, Justin Ruggles wrote:

This allows encoders to set pts and/or duration even if they do not use
CODEC_CAP_DELAY.
---
libavcodec/utils.c |    8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 2ab3b8e..c88f379 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -885,9 +885,11 @@ int attribute_align_arg 
avcodec_encode_audio2(AVCodecContext *avctx,
        ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
        if (!ret && *got_packet_ptr) {
            if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
-                avpkt->pts = frame->pts;
-                avpkt->duration = ff_samples_to_time_base(avctx,
-                                                          frame->nb_samples);
+                if (avpkt->pts == AV_NOPTS_VALUE)
+                    avpkt->pts = frame->pts;
+                if (!avpkt->duration)
+                    avpkt->duration = ff_samples_to_time_base(avctx,
+                                                              
frame->nb_samples);
            }
            avpkt->dts = avpkt->pts;
        } else {
--
1.7.1

Looks good to me.

// Martin
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