static int mf_encv_output_adjust(AVCodecContext *avctx, IMFMediaType *type)
{
MFContext *c = avctx->priv_data;
+ AVRational framerate;
ff_MFSetAttributeSize((IMFAttributes *)type, &MF_MT_FRAME_SIZE, avctx->width, avctx->height);
IMFAttributes_SetUINT32(type, &MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
- ff_MFSetAttributeRatio((IMFAttributes *)type, &MF_MT_FRAME_RATE, avctx->framerate.num, avctx->framerate.den);
+ if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
+ framerate = avctx->framerate;
+ } else {
+ framerate = av_inv_q(avctx->time_base);
+ framerate.den *= avctx->ticks_per_frame;
+ }
+
+ ff_MFSetAttributeRatio((IMFAttributes *)type, &MF_MT_FRAME_RATE, framerate.num, framerate.den);
// (MS HEVC supports eAVEncH265VProfile_Main_420_8 only.)
if (avctx->codec_id == AV_CODEC_ID_H264) {