Adding an info structure to the sample when the caps have changed,
removing if once it has been reported to the caller, and optionally
returning the new stream format.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45988
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47084
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49715
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52183Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>