1. An exception occurred in the CDN edge server, that will lead to close the http connection.
2. Because http is disconnected, so ffurl_read will return 0 3. Avformat will consider I/O is eof 4. Right now http is actually disconnect abnormally, it should return to ERROR, rather than return to EOF. 2017-05-22 23:05 GMT+08:00 Steven Liu <lingjiujia...@gmail.com>: > 2017-05-22 22:36 GMT+08:00 raymond zheng <raymondzheng1...@gmail.com>: > > > I don't think it need a timeout event to disconnect the link, because > > when ffurl_read > > return to 0, it means the link disconnect. If s->off < target_end, it > > means AVERROR, > > otherwise, it's normal eof. > > I don't use chunked in HTTP, so s->chunksize should be initial value, and > > shouldn't be changed or even decreased. > > > > What will happen if not apply this patch? can you reproduce the bug step > by step. > > > 2017-05-22 18:51 GMT+08:00 Steven Liu <lingjiujia...@gmail.com>: > > > > > 2017-05-18 15:19 GMT+08:00 raymond zheng <raymondzheng1...@gmail.com>: > > > > > > > Hi: > > > > I find an issue about http. I don't use chunked, so s->chunksize > > will > > > > be set as UINT64_MAX when http open, but because of "if > (s->chunksize > > > > 0) > > > > s->chunksize -= len;" then chunksize will not be UINT64_MAX. > > > > > > > > If ffurl_read return to 0, s->off < target_end, http_buf_read > will > > > > return to 0, then this will lead to eof, so this is incorrect, and > > > > http_buf_read should return to AVERROR(EIO). > > > > > > > > > > if connect to CDN http edge server, this maybe incorrect. or need a > > > timeout event to disconnect the link. > > > > > > > > > > > _______________________________________________ > > > > ffmpeg-devel mailing list > > > > ffmpeg-devel@ffmpeg.org > > > > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > > > > > > > > > > _______________________________________________ > > > ffmpeg-devel mailing list > > > ffmpeg-devel@ffmpeg.org > > > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > > > > _______________________________________________ > > ffmpeg-devel mailing list > > ffmpeg-devel@ffmpeg.org > > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
