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Bugfix in Audio(HD): resampling caused artefacts on mixdown.
(The ffmpeg resampler needs a little warmup time and shouldn't be
restarted all the time.)
The resampler can still cause problems, if your soundfile doesn't start
with silence!
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Bugfixes:
- Previous seqaudio-patch broke mixdown functionality (no need to init SDL
on mixdown case... || -> && )
- hddaudio-crash at end of track finally fixed.
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Bugfixes:
- hddaudio now allocates it's decode buffer + AVCODEC_MAX_AUDIO_FRAME_SIZE
safety interval. (The former code expected all decoded audio frames to
be the same size which can hurt under some circumstances e.g. VBR files)
- writeffmpeg: some pointers where not initialized on start and after
deletion not set to null. Could segfault randomly on error conditions.
- drawseq: use startdisp and enddisp to decide, if a strip should be drawn.
(Just extend strips first or last frame beyond screen dimensions in
the previous version and watch the strip disappear)
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Bugfixes: If we got problems on open, don't close a codec context, that
was never created. (read: don't dump core ;-)
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Bugfixes:
- Made the HDD-Audio-Code silence buffers in advance before doing a seek
operation. Stops noise on end of file or decoding errors.
- Corrected hanging of audio decoding loop bug on some MP3-files.
(you had to close blender and restart)
- Made preseeking code not seek before beginning of file.
seqaudio:
- made some "local globals" static.
Problems remaining: VBR-MP3-length isn't detected correctly so the
displayed sequence strip is too long...
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- Added early-out optimisation to add-effect (the case, where fac == 0)
- Bugfixes:
* hddaudio: ffmpeg does not seek always to the correct frame,
if the SEEK_BACKWARD flag is used. Now we account for this and
seek a little bit further... (hack, urghs)
* hddaudio: on long timelines, the new seek code didn't work
(forgot a long long cast)
* the audio mixdown code now also calculates meta-strip IPOs
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- blur works again (this was a serious bug in gamwarp...)
- seperates all sequence effects into a seperate file with a clean interface
- thereby fixing some obscure segfaults
- seperates the scope views into a seperate file
- adds float support to all effects and scope views
- removes a bad level call to open_plugin_seq
- FFMPEG seeking improved a lot.
- FFMPEG compiles with debian sarge version cleanly
- Makes hdaudio seek and resample code really work
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