Skip to content

ColumnCache: Verify consistency of all column maps#9

Merged
ywwg merged 2 commits into
ywwg:column-cache-fixfrom
uklotzde:column-cache-fix
Dec 16, 2020
Merged

ColumnCache: Verify consistency of all column maps#9
ywwg merged 2 commits into
ywwg:column-cache-fixfrom
uklotzde:column-cache-fix

Conversation

@uklotzde
Copy link
Copy Markdown

Includes mixxxdj#3441 to avoid merge conflicts due to pre-commit reformatting.

@uklotzde
Copy link
Copy Markdown
Author

Reverted and fixed the key column ordering. Now with some comments for future developers.

@ywwg ywwg merged commit 7a24153 into ywwg:column-cache-fix Dec 16, 2020
@uklotzde uklotzde deleted the column-cache-fix branch December 17, 2020 07:17
ywwg pushed a commit that referenced this pull request Mar 18, 2022
…h sync

When loading a track that is not yet present in the library (and thus
doesn't have any BPM because it hasn't been analyzed yet) while another
deck is playing and both decks have sync enabled, a debug assertion is
triggered:

    DEBUG ASSERT: "isValid()" in function double mixxx::Bpm::value() const at src/track/bpm.h:53
    Aborted (core dumped)

The backtrace looks as follows:

    #0  0x00007f175c87234c in __pthread_kill_implementation () at /usr/lib/libc.so.6
    #1  0x00007f175c8254b8 in raise () at /usr/lib/libc.so.6
    #2  0x00007f175c80f534 in abort () at /usr/lib/libc.so.6
    #3  0x00007f175cf05ee4 in qt_assert(char const*, char const*, int) () at /usr/lib/libQt5Core.so.5
    #4  0x000055deb2e67e1c in mixxx::(anonymous namespace)::handleMessage(QtMsgType, QMessageLogContext const&, QString const&) (type=<optimized out>, context=<optimized out>, input=<optimized out>) at src/util/logging.cpp:355
    #5  0x00007f175cf47128 in  () at /usr/lib/libQt5Core.so.5
    #6  0x00007f175cf3fd8a in  () at /usr/lib/libQt5Core.so.5
    #7  0x00007f175cf06526 in QMessageLogger::critical(char const*, ...) const () at /usr/lib/libQt5Core.so.5
    #8  0x000055deb2e5c720 in mixxx_debug_assert(char const*, char const*, int, char const*) (assertion=assertion@entry=0x55deb39bd0db "isValid()", file=file@entry=0x55deb39bbf30 "src/track/bpm.h", line=line@entry=53, function=function@entry=0x55deb39bbf08 "double mixxx::Bpm::value() const") at gsrc/util/assert.h:9
    #9  0x000055deb2ee7e7e in mixxx_debug_assert_return_true(char const*, char const*, int, char const*) (function=0x55deb39bbf08 "double mixxx::Bpm::value() const", line=53, file=0x55deb39bbf30 "src/track/bpm.h", assertion=0x55deb39bd0db "isValid()") at gsrc/util/assert.h:18
    #10 mixxx::Bpm::value() const (this=<synthetic pointer>) at src/track/bpm.h:53
    #11 mixxx::operator*(mixxx::Bpm, double) (multiple=1, bpm=...) at src/track/bpm.h:160
    #12 SyncControl::setLocalBpm(mixxx::Bpm) (this=<optimized out>, localBpm=...) at src/engine/sync/synccontrol.cpp:567
    #13 0x000055deb34c7ba3 in EngineBuffer::postProcess(int) (this=0x55deb56eb060, iBufferSize=2048) at src/engine/enginebuffer.cpp:1318
    #14 0x000055deb3139023 in EngineMaster::processChannels(int) (this=0x55deb5449440, iBufferSize=<optimized out>) at src/engine/enginemaster.cpp:383
    mixxxdj#15 0x000055deb31394f7 in EngineMaster::process(int) (this=0x55deb5449440, iBufferSize=iBufferSize@entry=2048) at src/engine/enginemaster.cpp:410
    mixxxdj#16 0x000055deb2f91d0b in SoundManager::onDeviceOutputCallback(long) (this=<optimized out>, iFramesPerBuffer=iFramesPerBuffer@entry=1024) at src/soundio/soundmanager.cpp:596
    mixxxdj#17 0x000055deb32dd794 in SoundDevicePortAudio::callbackProcessClkRef(long, float*, float const*, PaStreamCallbackTimeInfo const*, unsigned long) (this=0x55deb553e6b0, framesPerBuffer=1024, out=<optimized out>, in=<optimized out>, timeInfo=<optimized out>, statusFlags=<optimized out>) at src/soundio/sounddeviceportaudio.cpp:965

This happens because `newLocalBpm` is invalid when `localBpm` is
invalid. Trying to do sync decks while no tempo information is available
does not make sense, so we only synchronize decks if the local BPM is
available.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants