Cleanup/Fix VSE readfile code, fully deprecate SEQ_TYPE_SOUND_HD. #111135

Merged
Bastien Montagne merged 1 commits from mont29/blender:tmp-vse-readfile-cleanup into main 2023-08-17 16:09:22 +02:00

This fixes a few related issues in VSE code:

  • 'lib_link' code was doing 'read_data' tasks (like cleaning up internal
    runtime data).
  • Handling of SEQ_TYPE_SOUND_HD deprecated type of strips was
    extremely confusing (versioning done partly in 'lib_link' code, partly
    in some 2.50 do_version code).
  • Still using deprecated SEQ_TYPE_SOUND_HD strip type outside of
    versioning code.
  • Missing proper usage of deprecated SEQ_TYPE_SOUND_HD type inside of
    versioning code (!).

Note that the actual conversion from SEQ_TYPE_SOUND_HD to
SEQ_TYPE_SOUND_RAM is now done in the 'after setup' versioning
process, where it is somewhat safer to add IDs. This implies that
SEQ_TYPE_SOUND_HD must be taken into account throughout the whole
regular versioning process (before and after liblink).

Conversion logic itself has been moved to the VSE code.

This fixes a few related issues in VSE code: * 'lib_link' code was doing 'read_data' tasks (like cleaning up internal runtime data). * Handling of `SEQ_TYPE_SOUND_HD` deprecated type of strips was extremely confusing (versioning done partly in 'lib_link' code, partly in some 2.50 do_version code). * Still using deprecated `SEQ_TYPE_SOUND_HD` strip type outside of versioning code. * Missing proper usage of deprecated `SEQ_TYPE_SOUND_HD` type inside of versioning code (!). Note that the actual conversion from `SEQ_TYPE_SOUND_HD` to `SEQ_TYPE_SOUND_RAM` is now done in the 'after setup' versioning process, where it is somewhat safer to add IDs. This implies that `SEQ_TYPE_SOUND_HD` must be taken into account throughout the whole regular versioning process (before and after liblink). Conversion logic itself has been moved to the VSE code.
Bastien Montagne added this to the 4.0 milestone 2023-08-15 15:06:19 +02:00
Bastien Montagne added the
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Bastien Montagne reviewed 2023-08-15 15:09:24 +02:00
@ -881,4 +884,2 @@
}
if (seq->sound) {
seq->scene_sound = nullptr;
if (seq->type == SEQ_TYPE_SOUND_HD) {
Author
Owner

This is the piece of code that is making me doubt. By the look of it, if seq->type == SEQ_TYPE_SOUND_HD, seq type is updated, but sound ID pointer itself is happily kept as a fully invalid non-null pointer!

It looks so obviously wrong, that it makes me wondering if there is not some completely undocumented, non-standard handling of this SEQ_TYPE_SOUND_HD case somewhere else. But could not find anything.

This is the piece of code that is making me doubt. By the look of it, if `seq->type == SEQ_TYPE_SOUND_HD`, seq type is updated, but `sound` ID pointer itself is happily kept as a fully invalid non-null pointer! It looks so obviously wrong, that it makes me wondering if there is not some completely undocumented, non-standard handling of this `SEQ_TYPE_SOUND_HD` case somewhere else. But could not find anything.

I have looked at occurences, and there is no versioning apart from this piece of code, that as you said, shouldn't work. Will have to create old file to see how this behaves in practice.

I have looked at occurences, and there is no versioning apart from this piece of code, that as you said, shouldn't work. Will have to create old file to see how this behaves in practice.

There is some suspecious code in the seq_sound_proxy_update_cb, which allocates sound datablock. Perhaps that is what makes the sound to be a non-stale pointer?

There is some suspecious code in the `seq_sound_proxy_update_cb`, which allocates sound datablock. Perhaps that is what makes the sound to be a non-stale pointer?
Bastien Montagne requested review from Sergey Sharybin 2023-08-15 15:10:16 +02:00
Bastien Montagne requested review from Richard Antalik 2023-08-15 15:21:14 +02:00

I have created test file in 2.49, and it loads correctly in 4.0.
Haven't checked why it works yet, can do tomorrow only.

I have created test file in 2.49, and it loads correctly in 4.0. Haven't checked why it works yet, can do tomorrow only.
125 KiB

I have created test file in 2.49, and it loads correctly in 4.0.

Form my understanding the code under question came from the sound project for 2.5: 6c5c58e057.

> I have created test file in 2.49, and it loads correctly in 4.0. Form my understanding the code under question came from the sound project for 2.5: 6c5c58e0579.
Author
Owner

It is indeed coming from 6c5c58e057, and matching with evil done in seq_sound_proxy_update_cb.

This needs to be handled separately, from setup_app_data...

It is indeed coming from 6c5c58e057, and matching with evil done in `seq_sound_proxy_update_cb`. This needs to be handled separately, from `setup_app_data`...
Author
Owner

Also related note, current main code will assert on BLI_assert(bmain->is_locked_for_linking == false || ELEM(type, ID_WS, ID_GR, ID_NT)); in lib_id.c

Also related note, current `main` code will assert on `BLI_assert(bmain->is_locked_for_linking == false || ELEM(type, ID_WS, ID_GR, ID_NT));` in `lib_id.c`
Bastien Montagne force-pushed tmp-vse-readfile-cleanup from f11f5374d7 to e7fc6bfdba 2023-08-16 17:49:09 +02:00 Compare
Author
Owner

@blender-bot build

@blender-bot build
Author
Owner

@Sergey @iss think this is now ready for proper review. Test file from @iss does seem to behave properly now, and does not trigger any warning/assert anymore for me.

@Sergey @iss think this is now ready for proper review. Test file from @iss does seem to behave properly now, and does not trigger any warning/assert anymore for me.
Sergey Sharybin refused to review 2023-08-16 17:54:11 +02:00

On a top level seems fine to me. I wouldn't be able to get any deeper check to this. Would be nice if Richard confirms 2.49/2.50 files works fine, as he was able to run those older versions.

On a top level seems fine to me. I wouldn't be able to get any deeper check to this. Would be nice if Richard confirms 2.49/2.50 files works fine, as he was able to run those older versions.

I have tested the file now and it does not play. Path seems to be correct, but looking at properties in side panel it seems that it is not being loaded. Will check what is the issue.

I have tested the file now and it does not play. Path seems to be correct, but looking at properties in side panel it seems that it is not being loaded. Will check what is the issue.

Eh sorry, turns out, that I am dumb and used lite build. File works OK after all.

Eh sorry, turns out, that I am dumb and used lite build. File works OK after all.
Richard Antalik approved these changes 2023-08-17 10:39:07 +02:00
Bastien Montagne merged commit b454fc2161 into main 2023-08-17 16:09:22 +02:00
Bastien Montagne deleted branch tmp-vse-readfile-cleanup 2023-08-17 16:09:23 +02:00
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Reference: blender/blender#111135
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