[Gnash-commit] [bug #25456] [regression] gnash not able to play sound from presentation

[Benjamin Wolsey]

Follow-up Comment #11, bug #25456 (project gnash):

This SWF contains a very large DefineSound tag. Gnash's EmbedSoundInst already
supports incremental decoding (currently threaded), so there seems no reason
not to parse it chunk by chunk. If the chunk is too small, the worst that can
happen is that the sound gets choppy while waiting for data to decode, but a
value of e.g. 2 << 14 seems a reasonable balance. Most event sounds are
smaller than this anyway, so wouldn't require more than one pass.

One effect is that the decoders frequently get incomplete frames, but we hope
that they will then signal that they did not consume all the data, and get it
again on the next chunk.

Anyway, decoding in chunks makes it play immediately for me, so if I find no
adverse side-effects I'll commit it.

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