This avoids having to memmove the large parts of the array when inserting into it. For -trellis 8, this lowers the run time from 245 seconds to 190 seconds, for a 30 second 44 kHz mono sample, on my machine. Originally committed as revision 25731 to svn://svn.ffmpeg.org/ffmpeg/trunk
FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory. 2) Licensing ------------ * See the LICENSE file.
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