<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Wed, May 14, 2025 at 5:05 AM Andrew Randrianasulu <<a href="mailto:randrianasulu@gmail.com">randrianasulu@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Even if our code compiles it does not work anymore ...<br>
<br>
[out @ 0xe1821180] Option 'pix_fmts' is not a runtime option and so<br>
cannot be set after the object has been initialized<br>
<br>
        int ret = 0;  char args[BCTEXTLEN];<br>
        AVPixelFormat pix_fmt = (AVPixelFormat)avpar->format;<br>
        snprintf(args, sizeof(args),<br>
<br>
"video_size=%dx%d:pix_fmt=%i:time_base=%d/%d:pixel_aspect=%d/%d",<br>
                avpar->width, avpar->height,(int)pix_fmt,<br>
                st->time_base.num, st->time_base.den, sa_num, sa_den);<br>
        if( ret >= 0 ) {<br>
                filt_ctx = 0;<br>
                ret = insert_filter("buffer", args, "in");<br>
                buffersrc_ctx = filt_ctx;<br>
        }<br>
        if( ret >= 0 )<br>
                ret = flip(theta);<br>
        AVFilterContext *fsrc = filt_ctx;<br>
        if( ret >= 0 ) {<br>
                filt_ctx = 0;<br>
                ret = insert_filter("buffersink", 0, "out");<br>
                buffersink_ctx = filt_ctx;<br>
        }<br>
        if( ret >= 0 ) {<br>
                ret = av_opt_set_bin(buffersink_ctx, "pix_fmts",<br>
                        (uint8_t*)&pix_fmt, sizeof(pix_fmt),<br>
                        AV_OPT_SEARCH_CHILDREN);<br>
        }<br>
        if( ret >= 0 )<br>
                ret = config_filters(filter_spec, fsrc);<br>
        else<br>
                ff_err(ret, "FFVideoStream::create_filter");<br>
        return ret >= 0 ? 0 : -1;<br>
<br>
<br>
=========<br>
<br>
There is no video filtering example in doc/examples.<br>
<br>
How I supposed to know what should be put there now?<br></blockquote><div><br></div><div>doc/examples/decode_filter_video.c</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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</blockquote></div></div>