[FFmpeg-devel] [PATCH 01/13] avformat/mux: Move packet references

[Michael Niedermayer]

On Tue, Aug 13, 2019 at 04:47:14AM +0200, Andreas Rheinhardt wrote:
> In the common case that the input packet was already refcounted,
> ff_interleave_add_packet would allocate a new AVPacketList, use
> av_packet_ref to create a new reference to the buffer for the
> AVPacketList's packet, interleave the packet and finally unreference
> the original input packet.
> This commit changes this: It uses av_packet_move_ref to transfer
> the packet to its destination. In case the input packet is refcounted,
> this saves an allocation and a free (of an AVBufferRef); if not, the
> packet is made refcounted before moving it. When the input packet has
> side data, one saves even more than one allocation+free.
> 
> Furthermore, when the packet is in reality an uncoded frame, a hacky
> ad-hoc variant of av_packet_move_ref has been employed. Not any more.
> 
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
> ---
>  libavformat/mux.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)

will apply

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Many things microsoft did are stupid, but not doing something just because
microsoft did it is even more stupid. If everything ms did were stupid they
would be bankrupt already.
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