This ensures that fps and other values are estimated correctly,
the probesize also is intended to limit disk/protocol reads which
does not apply to lavfi inputs at all.
Fixes Ticket1051
Something similar could be usefull to other input devices
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
st->codec->height = link->h;
st ->sample_aspect_ratio =
st->codec->sample_aspect_ratio = link->sample_aspect_ratio;
+ avctx->probesize = FFMAX(avctx->probesize,
+ link->w * link->h *
+ av_get_padded_bits_per_pixel(av_pix_fmt_desc_get(link->format)) *
+ 30);
} else if (link->type == AVMEDIA_TYPE_AUDIO) {
st->codec->codec_id = av_get_pcm_codec(link->format, -1);
st->codec->channels = av_get_channel_layout_nb_channels(link->channel_layout);