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avdevice/decklink_dec: add support for rgb/yuv pixel format autodetection

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2020-07-15 20:45:22 +02:00
parent e33c0d8c69
commit f1b908d20a
3 changed files with 24 additions and 2 deletions
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8
libavdevice/decklink_dec.cpp
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@@ -1044,9 +1044,13 @@ HRESULT decklink_input_callback::VideoInputFrameArrived(
HRESULT decklink_input_callback::VideoInputFormatChanged(
BMDVideoInputFormatChangedEvents events, IDeckLinkDisplayMode *mode,
BMDDetectedVideoInputFormatFlags)
BMDDetectedVideoInputFormatFlags formatFlags)
{
struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data;
ctx->bmd_mode = mode->GetDisplayMode();
// check the C context member to make sure we set both raw_format and bmd_mode with data from the same format change callback
if (!cctx->raw_format)
ctx->raw_format = (formatFlags & bmdDetectedVideoInputRGB444) ? bmdFormat8BitARGB : bmdFormat8BitYUV;
return S_OK;
}
@@ -1228,6 +1232,8 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
}
av_log(avctx, AV_LOG_INFO, "Autodetected the input mode\n");
}
if (ctx->raw_format == bmdFormatUnspecified)
ctx->raw_format = bmdFormat8BitYUV;
if (ff_decklink_set_format(avctx, DIRECTION_IN) < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not set format code %s for %s\n",
cctx->format_code ? cctx->format_code : "(unset)", avctx->url);