ffplay: simplify and fix flushing out old subtitles on seeking

Fixes the additional issue reported in ticket #2666.

Signed-off-by: Marton Balint <cus@passwd.hu>
aac: K&R formatting cosmetics
aac: return meaningful errors
Merge remote-tracking branch 'cus/stable'

* cus/stable:
  ffplay: simplify and fix flushing out old subtitles on seeking

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Fix copying extradata to codec in mxfdec.c

The code that copies any extradata from the MXFDescriptor to the codec does
not set the size, which it should otherwise the copied data is useless.
Attached it a patch to correct this.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
gxf: Added GXF format code 25 which is used for DV codec in HD resolutions

Reviewed-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
gxf: Factorize code in get_sindex()

Reviewed-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Added GXF format code to identify AVC Intra video streams. This was an extension to the origional GXF spec implemented by Grass Valley.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
lavc/mpegvideo_enc: simplify timestamp checks in load_input_picture()

Also improve error feedback while at it.
gxf: Added codec ID to playback AVCHD

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/vf_mp:  preserve pixel format when possible

Fixes Ticket2577

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Fix muxing QDM2 mono into caf.
Set block_align when reading QDM2 in mov.

Fixes ticket #2718.
Avoid a null pointer dereference in avcodec_decode_video2().

This could happen if oom occured while probing a file.
Reported in ticket #1900.
Merge commit '6d8629aac13692447b54eac795bf74007ebf8987'

* commit '6d8629aac13692447b54eac795bf74007ebf8987':
  aac: K&R formatting cosmetics

Conflicts:
	libavcodec/aacdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  aac: return meaningful errors

Conflicts:
	libavcodec/aacdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  Avoid a null pointer dereference in avcodec_decode_video2().
  Set block_align when reading QDM2 in mov.
  Fix muxing QDM2 mono into caf.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/avfilter: Make avfilter_register() thread safe

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
doc/encoders: alphabetically list the encoders

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
doc/decoders: document libopus decoder

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>