[FFmpeg-devel] [PATCH] Maintain pointer to end of AVFormatContext.packet_buffer list

[Måns Rullgård]

Mans Rullgard wrote:
> This changes add_to_pktbuf() to maintain a pointer to the last entry
> in the list, avoiding a linear walk-through on each call.  Before this
> change, add_to_pktbuf() could take a significant amount of time (10%
> of total decoding time), even with input files of several minutes.
> After the change, the time spent in this function is barely measurable
> with oprofile.

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M?ns Rullg?rd
mans at mansr.com