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avdevice/decklink_dec: set field order via codecpar 

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2017-07-24 23:07:05 +02:00
parent 8b2cd8e0e4
commit e433497160
1 changed files with 13 additions and 7 deletions
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20
libavdevice/decklink_dec.cpp
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@ -731,6 +731,19 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
st->codecpar->bit_rate = av_rescale(ctx->bmd_width * ctx->bmd_height * 16, st->time_base.den, st->time_base.num);
}
switch (ctx->bmd_field_dominance) {
case bmdUpperFieldFirst:
st->codecpar->field_order = AV_FIELD_TT;
break;
case bmdLowerFieldFirst:
st->codecpar->field_order = AV_FIELD_BB;
break;
case bmdProgressiveFrame:
case bmdProgressiveSegmentedFrame:
st->codecpar->field_order = AV_FIELD_PROGRESSIVE;
break;
}
avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
ctx->video_st=st;
@ -788,15 +801,8 @@ int ff_decklink_read_packet(AVFormatContext *avctx, AVPacket *pkt)
{
struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
AVFrame *frame = ctx->video_st->codec->coded_frame;
avpacket_queue_get(&ctx->queue, pkt, 1);
if (frame && (ctx->bmd_field_dominance == bmdUpperFieldFirst || ctx->bmd_field_dominance == bmdLowerFieldFirst)) {
frame->interlaced_frame = 1;
if (ctx->bmd_field_dominance == bmdUpperFieldFirst) {
frame->top_field_first = 1;
}
}
return 0;
}