vc1: Do not return an error when skipping b frames

This caused mpv (and possibly others) to fallback to software decoding after
seeking a VC1 stream.

Bug-Id: 667

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
lavfi/avfilter: fix typos in doxgens

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
ffserver: free nacl as needed

Should fix FFmpeg Coverity Scan issue #732268

Signed-off-by: Reynaldo H. Verdejo Pinochet <r.verdejo@sisa.samsung.com>
ffserver: free AVStream st before wiping context

Should fix FFmpeg Coverity Scan issue #732269

Signed-off-by: Reynaldo H. Verdejo Pinochet <r.verdejo@sisa.samsung.com>
ffserver: fix missing frees at connection setup

Should fix FFmpeg Coverity Scan issue #732266 and some of #732265

Signed-off-by: Reynaldo H. Verdejo Pinochet <r.verdejo@sisa.samsung.com>
Merge commit 'cdf6eb5a9710566be217a3f17d3d94ac4e4d2662'

* commit 'cdf6eb5a9710566be217a3f17d3d94ac4e4d2662':
  vc1: Do not return an error when skipping b frames

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/vc1dec: print debug message if a b frame without reference is skiped

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
lavfi/avfilter: clarify avfilter_graph_get_filter() doxygen

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Support raw dvdsub palette as stored on normal dvd's

This is how the palette is stored on dvd's. Currently
only xbmc passes the palette information to libavcodec
this way.
Check return value of avio_seek and avoid modifying state if it fails

The code still modifies state if the timestamp is not found. Not
sure exactly how to avoid that.
asf hacks
if av_read_packet returns AVERROR_IO, we are done. ffmpeg's codecs might or might not handle returning any completed demuxed packets correctly
added: Ticket #7187, TV Teletext support for DVB EBU Teletext streams
Don't accept mpegts PMT that isn't current
Don't reparse PMT unless it's version has changed
Read PID timestamps as well as PCR timestamps to find location in mpegts stream
Get stream durations using read_timestamp
changed: allow 4 second skew between streams in mov before attempting to seek
fixed: memleak in mpegts demuxer on some malformed (??) mpegts files with too large pes packets

at-visions sample file brokenStream.mpg
Speed up mpegts av_find_stream_info