Fixes a scr issue reported with dvdauthor ([FFmpeg-user] FFMPEG encoded MPEG-2 video causes error in DVDAuthor)

Originally committed as revision 25512 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25511 to svn://svn.ffmpeg.org/ffmpeg/trunk

line count.

Originally committed as revision 25510 to svn://svn.ffmpeg.org/ffmpeg/trunk

Spotted by elenril on irc.

Originally committed as revision 25509 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25508 to svn://svn.ffmpeg.org/ffmpeg/trunk

deprecated field AVStream.language.

Patch by Anton Khirnov %name%@%surname% dot net.

Originally committed as revision 25507 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25506 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Anton Khirnov  anton _at_ khirnov _dot_ net

Originally committed as revision 25505 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Anton Khirnov  anton _at_ khirnov _dot_ net

Originally committed as revision 25504 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Anton Khirnov  anton _at_ khirnov _dot_ net

Originally committed as revision 25503 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25502 to svn://svn.ffmpeg.org/ffmpeg/trunk

greatly simplifying its handling and reducing code duplication.

Patch by Nicolas George -bsf nicolas*george|normalesup+org.

Originally committed as revision 25501 to svn://svn.ffmpeg.org/ffmpeg/trunk

code flow, in the new_video_stream() / new_audio_stream() /
new_subtitle_stream() functions.

Patch by Nicolas George <$name.$surname@normalesup.org>.

Originally committed as revision 25500 to svn://svn.ffmpeg.org/ffmpeg/trunk

Builds only seemed to have been broken in some configurations, though.

Originally committed as revision 25499 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25498 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25497 to svn://svn.ffmpeg.org/ffmpeg/trunk

This indicates that there was no error that needs to be reported to the
caller, so we can move on to parse the next packet immediately, if
available. The only error code that ff_mpegts_parse_packet can return
indicates that there was no packet to return from the provided data, for
which it returns -1.

Originally committed as revision 25496 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25495 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25494 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Anton Khirnov  anton _at_ khirnov _dot_ net

Originally committed as revision 25493 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25492 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25491 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25490 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25489 to svn://svn.ffmpeg.org/ffmpeg/trunk

fields in AVFormatParameters

Originally committed as revision 25488 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25487 to svn://svn.ffmpeg.org/ffmpeg/trunk

and delay this transition to v54 as it is currently not functional

Originally committed as revision 25486 to svn://svn.ffmpeg.org/ffmpeg/trunk

parse_image_size() and parse_frame_rate() public functions

Originally committed as revision 25485 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25484 to svn://svn.ffmpeg.org/ffmpeg/trunk

av_alloc_format_context() public function

Originally committed as revision 25483 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25482 to svn://svn.ffmpeg.org/ffmpeg/trunk

public function

Originally committed as revision 25481 to svn://svn.ffmpeg.org/ffmpeg/trunk

and guess_stream_format() public functions

Originally committed as revision 25480 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Anton Khirnov, anton khirnov net

Originally committed as revision 25479 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25478 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25477 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25476 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25475 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25474 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Anton Khirnov  anton _at_ khirnov _dot_ net

Originally committed as revision 25473 to svn://svn.ffmpeg.org/ffmpeg/trunk