... supporting theora, flac, speex, celt.

Fixes #629349.

In particular, move comment header parsing to gstoggstrem.c.
Thanks to Felipe Contreras.

Fixes #629349 (partially).

(aka WAVEFORMATEX)

Remove an unused perl module. Fixes #634522.

Less debug spew in DEBUG category. No need to log pad again if we use
GST_LOG_OBJECT(pad,...).

Only IP4 addresses can have a TTL in the address.

Expose a previously internal method to check for multicast addresses.

See #634093

If the nano is > 0 the current version should be handled the same as
micro + 1.

API: GST_VIDEO_FORMAT_YUV9: planar 4:1:0 YUV
API: GST_VIDEO_FORMAT_YVU9: planar 4:1:0 YUV (chroma planes swapped)
API: GST_VIDEO_FORMAT_IYU1: packed 4:1:1 YUV (Cr-Y0-Y1-Cb-Y2-Y3)

API: Add GST_VIDEO_FORMAT_RGB8_PALETTED
API: Add GST_VIDEO_CAPS_RGB8_PALETTED
API: Add gst_video_parse_caps_palette()

instead of dereferencing NULL pointers. This can happen if the stream
was just removed from the streamsynchronizer in a bad time.

Including Since markers

Including Since markers