Carl Eugen Hoyos: > Am Mi., 25. März 2020 um 05:45 Uhr schrieb Andreas Rheinhardt > <[email protected]>: >> >> Up until now, writing level 1 elements proceeded as follows: First, the >> element id was written to the ordinary output AVIOContext and a dynamic >> buffer was opened for the content of the level 1 element in >> start_ebml_master_crc32(). Then this buffer was actually used and after it >> was closed (in end_ebml_master_crc32()), the size field corresponding to >> the buffer's size was written, after which the actual data was written. >> >> This commit changes this: Nothing is written to the main AVIOContext any >> more in start_ebml_master_crc32(). end_ebml_master_crc32() now writes >> both the id, the length field as well as the data. This implies that >> one can start a level 1 element in memory without outputting anything. >> This is done to enable to test whether enough space has been reserved >> for the Cues (if space has been reserved for them) before writing them. >> A large duration between outputting the header and outputting the rest >> could also break certain streaming usecases like the one from #8578 >> (which this commit fixes). >> >> Signed-off-by: Andreas Rheinhardt <[email protected]> >> --- >> The commit message has been updated in light of ticket #8578; nothing >> else has changed. > > Please mention the ticket in the commit message. > It is already contained in the commit message.
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