That worked perfectly, I get the same 1137 required jpegs from 1.0.5,
matching exactly to the md5sums, as I did with 1.0.2 on my prior machine.
Simon
On Mon, 3 Dec 2007, Francesco Romani wrote:
|
|On Sun, 2007-12-02 at 18:04 -0500, S.D.Byers wrote:
|
|Hi,
|
|
|> When I run the transcode frame dump command I get these errors:
|>
|> [mpeg4 @ 0x2aaaacff3e50]slice end not reached but screenspace end (-9 left
46310F, score= -9035)
|>
|> In particular transcode yeilds a couple of these errors while parsing the
|> stream then dumps the required frame but with decoding errors visible in
|> the image. Several (3 or more) of the frames I specifically require from
|> this file are corrupt. Samples available upon req.
|>
|> This "slice end..." error is thrown by decode_slice() in h263dec.c in
|> ffmpeg, I think.
|
|I confirm this issue and your diagnosis. Unfortunately, the causes and
|the reasons aren't yet clear.
|
|[...]
|> Does anybody have some simple advice for avoiding this problem?
|> Failing that, should I start fiddling with source?
|
|Yes: fetch and install last 1.0.5 release snapshot (1.0.5rc4), and use
|'nopad' option for ffmpeg import module, like follows:
|
|$ transcode -i 0091411.avi -o frame. -x ffmpeg=nopad,null -y jpg,null -c
|59719-59720
|
|This is supposed to solve or at least mitigate this issue.
|
|I'm interested to a definitive fix, so please let me know if and how
|this work.
|
|Bests,
|
|--
|Francesco Romani // Ikitt
|[ Out of memory. ~ We wish to hold the whole sky, ~ But we never will. ]
|
|
