Fix #21 PAL capture broken

[ddennedy]

No description provided.

[Copilot]

Pull request overview

This PR addresses PAL DV capture failures by making DV frame-size detection robust (based on the DSF bit once available) and aligning downstream writers to use the “expected” DV size, while also updating project metadata (version + links).

Changes:

• Add DV frame size detection via DSF bit and use it for “expected size”/completeness checks.
• Update IEEE1394 DV capture bounds checking to avoid premature drops when PAL/NTSC is not yet known.
• Bump release version and refresh project links/docs (README, man page, spec, help, NEWS).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
ieee1394io.cc	Uses DSF-based sizing during DV packet accumulation to prevent frame buffer overflow and PAL mis-sizing.
dvframe.h	Introduces DVFrame::FrameSize() and GetExpectedSize() API; cleans up VideoInfo declaration.
dvframe.cc	Implements DSF-to-size mapping, switches completeness logic to expected size, updates PAL detection logic.
filehandler.cc	Writes QuickTime DV frames using the expected DV frame size.
configure.ac	Bumps project version to 3.5.2.
NEWS	Adds 3.5.2 release notes including PAL capture fix.
README	Updates website/support links to GitHub.
dvgrab.cc	Updates help output link to GitHub.
dvgrab.1	Fixes author email formatting and updates support link to GitHub.
dvgrab.spec	Updates URL/copyright year.

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