[FFmpeg-devel] [PATCH] lavc/mfenc: set output packet duration

[FFmpeg-devel] [PATCH] lavc/mfenc: set output packet duration

[Pavel Koshevoy]

---
 libavcodec/mfenc.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libavcodec/mfenc.c b/libavcodec/mfenc.c
index 30531fe3e8..942c75cb9d 100644
--- a/libavcodec/mfenc.c
+++ b/libavcodec/mfenc.c
@@ -148,6 +148,15 @@ static int64_t mf_sample_get_pts(AVCodecContext *avctx, IMFSample *sample)
     return mf_from_mf_time(avctx, pts);
 }
 
+static int64_t mf_sample_get_duration(AVCodecContext *avctx, IMFSample *sample)
+{
+    LONGLONG duration;
+    HRESULT hr = IMFSample_GetSampleDuration(sample, &duration);
+    if (FAILED(hr))
+        return 0;
+    return mf_from_mf_time(avctx, duration);
+}
+
 static int mf_enca_output_type_get(AVCodecContext *avctx, IMFMediaType *type)
 {
     MFContext *c = avctx->priv_data;
@@ -275,6 +284,7 @@ static int mf_sample_to_avpacket(AVCodecContext *avctx, IMFSample *sample, AVPac
     IMFMediaBuffer_Release(buffer);
 
     avpkt->pts = avpkt->dts = mf_sample_get_pts(avctx, sample);
+    avpkt->duration = mf_sample_get_duration(avctx, sample);
 
     hr = IMFAttributes_GetUINT32(sample, &MFSampleExtension_CleanPoint, &t32);
     if (c->is_audio || (!FAILED(hr) && t32 != 0))
-- 
2.43.0

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Re: [FFmpeg-devel] [PATCH] lavc/mfenc: set output packet duration

[Pavel Koshevoy]

Ping


On Mon, Aug 4, 2025, 13:50 Pavel Koshevoy <pkoshevoy@gmail.com> wrote:

> ---
>  libavcodec/mfenc.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/libavcodec/mfenc.c b/libavcodec/mfenc.c
> index 30531fe3e8..942c75cb9d 100644
> --- a/libavcodec/mfenc.c
> +++ b/libavcodec/mfenc.c
> @@ -148,6 +148,15 @@ static int64_t mf_sample_get_pts(AVCodecContext
> *avctx, IMFSample *sample)
>      return mf_from_mf_time(avctx, pts);
>  }
>
> +static int64_t mf_sample_get_duration(AVCodecContext *avctx, IMFSample
> *sample)
> +{
> +    LONGLONG duration;
> +    HRESULT hr = IMFSample_GetSampleDuration(sample, &duration);
> +    if (FAILED(hr))
> +        return 0;
> +    return mf_from_mf_time(avctx, duration);
> +}
> +
>  static int mf_enca_output_type_get(AVCodecContext *avctx, IMFMediaType
> *type)
>  {
>      MFContext *c = avctx->priv_data;
> @@ -275,6 +284,7 @@ static int mf_sample_to_avpacket(AVCodecContext
> *avctx, IMFSample *sample, AVPac
>      IMFMediaBuffer_Release(buffer);
>
>      avpkt->pts = avpkt->dts = mf_sample_get_pts(avctx, sample);
> +    avpkt->duration = mf_sample_get_duration(avctx, sample);
>
>      hr = IMFAttributes_GetUINT32(sample, &MFSampleExtension_CleanPoint,
> &t32);
>      if (c->is_audio || (!FAILED(hr) && t32 != 0))
> --
> 2.43.0
>
>
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