Note that you have the encoder bit rate hard coded: > > > c->bit_rate = 400000; > > ... so, one would expect a well-tempered encoder to produce same > encoded frame sizes. You could try to compare the resulting video > quality in two cases. E.g., decode the two streams and display them at > 160x120. You are expected to see very similar images. If you increase > the requested bit rate, the VGA stream will still be improving, but > the 160x120 stream is probably saturated. You can consult the "video > bitrate calculator" at http://www.dr-lex.be/info-stuff/videocalc.html > to find the optimal bit rate - it would be more than 1Mbps for VGA at > 25 FPS. > > BR, > Alex >
Hi Alex! Thanks for the link - you simply nailed down the problem for me; it was bit_rate factor after all! Thanks again for your guidance!
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