tree 25ae39324ef8ad53c5c6ca1007b9ec9ee25f3649
parent 7a50a7b2a064959fa7dedd2327f6e06d8d44f35c
author Robert Shih <robertshih@google.com> 1525904177 -0700
committer android-build-team Robot <android-build-team-robot@google.com> 1533322933 +0000

Speed up id3v2 unsynchronization

Instead of doing many overlapping memmoves, do a single copy pass
that skips over the inserted unsynchronization bytes. For some
files this reduces parsing time from minutes to milliseconds.

Similar to commit 72a43b68da but for v2.2 and v2.3.

Bug: 78029004
Test: poc
Change-Id: I735b7051e77a093d86fb7a3e46209875946225ed
(cherry picked from commit f9d87cc850a589b9b0cc3658cf222187822bcc00)