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Glenn Maynard
2003-10-02 09:13:46 +00:00
parent eae3cc2ede
commit cf1d384afc
1 changed files with 3 additions and 6 deletions
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stepmania/src/RageSoundReader_MP3.cpp
+3 -6
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@@ -826,7 +826,7 @@ bool RageSoundReader_MP3::MADLIB_rewind()
* so it's unsuitable for precise seeks. Our own TOC is byte-accurate. * so it's unsuitable for precise seeks. Our own TOC is byte-accurate.
* (SetPosition_toc) * (SetPosition_toc)
* *
* 2. We can jump based on the bitrate. This is fast, but not always accurate. * 2. We can jump based on the bitrate. This is fast, but not accurate.
* (SetPosition_estimate) * (SetPosition_estimate)
* *
* 3. We can seek from any position to any higher position by decoding headers. * 3. We can seek from any position to any higher position by decoding headers.
@@ -835,10 +835,7 @@ bool RageSoundReader_MP3::MADLIB_rewind()
* Both 1 and 2 will leave the position behind the actual requested position; * Both 1 and 2 will leave the position behind the actual requested position;
* combine them with 3 to catch up. Never do 3 alone in "fast" mode, since it's * combine them with 3 to catch up. Never do 3 alone in "fast" mode, since it's
* slow if it ends up seeking from the beginning of the file. Never do 2 in * slow if it ends up seeking from the beginning of the file. Never do 2 in
* "precise" mode with VBR. * "precise" mode.
*
* We become inaccurate if we do 2 in VBR (which we only do in fast mode); when this
* happens, we no longer trust our timer to be accurate, so we stop updating our TOC.
*/ */
/* Returns 1 on success, 0 on error, -1 if we couldn't it (don't have /* Returns 1 on success, 0 on error, -1 if we couldn't it (don't have
@@ -917,7 +914,7 @@ int RageSoundReader_MP3::SetPosition_hard( int ms )
mad_timer_t ts = mad->Timer; mad_timer_t ts = mad->Timer;
mad_timer_sub( &ts, mad->framelength ); mad_timer_sub( &ts, mad->framelength );
/* We just synthed data starting at ts, containing desired offset. /* We just synthed data starting at ts, containing the desired offset.
* Skip (desired - ts) worth of frames in the output to line up. */ * Skip (desired - ts) worth of frames in the output to line up. */
mad_timer_t skip = desired; mad_timer_t skip = desired;
mad_timer_sub( &skip, ts ); mad_timer_sub( &skip, ts );