<html><body><div style="color:#000; background-color:#fff; font-family:tahoma, new york, times, serif;font-size:10pt"><div style="font-family: tahoma, new york, times, serif; font-size: 10pt;"><div style="font-family: times new roman, new york, times, serif; font-size: 12pt;">>cyril apan <cyrilapan@...> writes:<br><div class="y_msg_container"><br>>> <a href="http://www.filmform.com/logo/Filmform_gray-on-blank.tif" target="_blank">http://www.filmform.com/logo/Filmform_gray-on-blank.tif</a> <br>>> stream->codec->pix_fmt == AV_PIX_FMT_RGB24 instead of <br>>> being AV_PIX_FMT_RGBA.<br><br>>Looks like RGB24 to me, why do you think there is <br>>transparency information?<br>Open it with Photoshop CS v12.0.4, and it displays a checkered background. With FFmpeg, I get a white background.<br><br>>The other sample is an unsupported format, feel free <br>>to open an enhancement request on trac.<br>>The second sample
uses separated channels iiuc, <br>>this is very unlikely to get supported (easily).<br>Well, I won't bother opening a request then. Tiff format seems quite complex to implement. If really needed, I'll probably use a specialized library.<br><br>>Since you used "image2pipe" in the subject:<br>>There is no tiff parser, so you cannot generally use <br>>input format image2pipe with tiff images, but this is <br>>unrelated to the samples.<br>>(Patch welcome.)<br>I'm not sure to understand. So, image2pipe shouldn't work with tiff files?<br>So why I can still get something out from the 1st sample?<br><br>>Carl Eugen<br><br></div> </div> </div> </div></body></html>