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Andreas Rheinhardt authored
Currently the interleave_packet functions use a packet for a new packet to be interleaved (may be NULL if there is none) and a packet for output; said packet is always a stack packet in interleaved_write_packet(). But all the interleave_packet functions in use first move the packet to the packet list and then check whether a packet can be returned, i.e. the effective lifetime of the new packet ends before the packet for output is touched. So one can use one packet both for input and output by adding a new parameter that indicates whether there is a packet to add to the packet list; there is just one complication: In case the muxer is flushed, there is no packet available. This can be solved by reusing one of the packets from AVFormatInternal. They are currently unused when flushing in av_interleaved_write_frame(). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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