Details
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Bug
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Resolution: Fixed
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P1: Critical
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6.5.5, 6.5.6, 6.7
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None
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Windows
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b574f65b1 (dev), 728c026b4 (6.8), 1b79a974d (6.7), 9e5fa59f3 (tqtc/lts-6.5), ac0424001 (dev), 7bab907e1 (6.8)
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Multimedia wk 23-24, Multimedia wk 27-28
Description
Description:-
The Spectrum app consistently crashes when users select the "Record and Playback" mode. The crash happens after sound recording completes successfully. On the Windows platform, the application becomes unresponsive and crashes with a segmentation fault.
Windows Logs:-
15:11:50: Debugging C:\Qt\Examples\Qt-6.5.6\multimedia\spectrum\build\Desktop_Qt_6_5_6_MinGW_64_bit-Debug\spectrum.exe ... Engine::initialize m_bufferLength 1920000 Engine::initialize m_dataLength 0 Engine::initialize format QAudioFormat( 48000 Hz, 2 Channels, Int16 Format ) qt.gui.imageio: libpng warning: iCCP: known incorrect sRGB profile Engine::initializeRecord Engine::initialize m_bufferLength 1920000 Engine::initialize m_dataLength 0 Engine::initialize format QAudioFormat( 48000 Hz, 2 Channels, Int16 Format ) Engine::audioStateChanged from StoppedState to IdleState Engine::audioStateChanged from IdleState to ActiveState Engine::calculateLevel pos 172800 len 19200 rms 0.0214403 peak 0.0682068 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 175616 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 Engine::spectrumChanged pos 175616 Engine::calculateLevel pos 362880 len 19200 rms 0.0123714 peak 0.0574951 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 365696 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 Engine::spectrumChanged pos 365696 Engine::calculateLevel pos 556800 len 19200 rms 0.0220037 peak 0.0796509 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 559616 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 Engine::spectrumChanged pos 559616 Engine::calculateLevel pos 748800 len 19200 rms 0.0295643 peak 0.0951233 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 751616 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 Engine::spectrumChanged pos 751616 Engine::calculateLevel pos 938880 len 19200 rms 0 peak 0 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 941696 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 Engine::spectrumChanged pos 941696 Engine::calculateLevel pos 1130880 len 19200 rms 0 peak 0 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 1133696 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 Engine::spectrumChanged pos 1133696 Engine::calculateLevel pos 1322880 len 19200 rms 0 peak 0 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 1325696 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 Engine::spectrumChanged pos 1325696 Engine::calculateLevel pos 1516800 len 19200 rms 0.0873 peak 0.249176 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 1519616 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 Engine::spectrumChanged pos 1519616 Engine::calculateLevel pos 1708800 len 19200 rms 0.0239497 peak 0.0679016 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 1711616 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 Engine::spectrumChanged pos 1711616 Engine::audioStateChanged from ActiveState to StoppedState Engine::calculateLevel pos 1900800 len 19200 rms 0.0137871 peak 0.0654297 Engine::calculateSpectrum QThread(0x1b3a9b82af0) count 0 pos 1903616 len 16384 spectrumAnalyser.isReady true SpectrumAnalyser::calculate QThread(0x1b3a9b82af0) state 0 15:24:58: Debugging of C:\Qt\Examples\Qt-6.5.6\multimedia\spectrum\build\Desktop_Qt_6_5_6_MinGW_64_bit-Debug\spectrum.exe has finished with exit code 0.
Steps to Reproduce:
- Build and Run the Spectrum Example on windows.
- Select "Record and play back" mode.
- Start recording.
Expected Results: In the "Record and Playback" mode, the Spectrum app should record sound successfully and allow users to play back the recorded audio without crashing.
Actual Results: After recording sound the app subsequently crashes.
Note: Please check the attached Images for clarity.
Attachments
Issue Links
- relates to
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QTQAINFRA-6138
Qt 6.5.5 LTS Testing
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- Open
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QTQAINFRA-6224
Qt 6.5.6 LTS Testing
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- Open
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- resulted from
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- Closed
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| For Gerrit Dashboard: QTBUG-124925 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 571287,4 | Fix Spectrum app crash in "Record and Playback" mode | dev | qt/qtmultimedia | Status: MERGED | +2 | 0 |
| 572034,2 | Fix Spectrum app crash in "Record and Playback" mode | 6.8 | qt/qtmultimedia | Status: MERGED | +2 | 0 |
| 572659,2 | Fix Spectrum app crash in "Record and Playback" mode | 6.7 | qt/qtmultimedia | Status: MERGED | +2 | 0 |
| 573334,2 | Fix Spectrum app crash in "Record and Playback" mode | tqtc/lts-6.5 | qt/tqtc-qtmultimedia | Status: MERGED | +2 | 0 |
| 603738,3 | Delete Spectrum example | dev | qt/qtmultimedia | Status: MERGED | +2 | 0 |
| 604308,2 | Delete Spectrum example | 6.8 | qt/qtmultimedia | Status: MERGED | +2 | 0 |
| 604393,1 | Delete Spectrum example | tqtc/lts-6.5 | qt/tqtc-qtmultimedia | Status: ABANDONED | 0 | 0 |