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FAAD can't properly map channels with instance > 2.
This will fix it at least for the FDK setup.

Most blocks contains aligned samples.

Causes out of sync, frame dropping.

Use only one callback for every decoder types:

int (*pf_decode)(decoder_t *, block_t *p_block);

There is now only one way to send output frames/blocks from a decoder module:
using decoder_QueueVideo(), decoder_QueueAudio() and decoder_QueueSub()
functions.

This fixes transcoding not receiving any output when a decoder used
decoder_Queue*() function.

The pf_packetize callback is kept unchanged. A packetizer shouldn't be
asynchronous at all (and this simplify the locking for decoder core).

The pf_decode callback returns, for now, only one value: SUCCESS. This will
allow a module to send more status.

Decoder modules are now responsible for calling decoder_UpdateAudioFormat()
before decoder_NewAudioBuffer().

In a lot of modules, decoder_UpdateAudioFormat() could be called in a better
place. Just after dec->fmt_out is updated for example.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

For now, a lot of decoder/packetizer are also flushing on
BLOCK_FLAG_DISCONTINUITY flag. Some others are also flushing on
BLOCK_FLAG_CORRUPTED flag (omxil, videotoolbox, avcodec audio).

This patch doesn't change the current behavior.
But maybe we shouldn't flush anymore on DISCONTINUOUS/CORRUPTED.

Most of the cases it's enought just to set pts so codec resyncs itself.
Also flushing on discontinue isn't good idea.

This reverts commit 5e36cb2c.

This reverts commit 48a867c7.

Revert for futher checking

If blocks are marked BLOCK_FLAG_DISCONTINUITY then do not drop them,
unless BLOCK_FLAGS_CORRUPTED is set. Instead flush old blocks from decoder
queue and restart at this new stream access point (new timeline).
Signed-off-by: Ilkka Ollakka <ileoo@videolan.org>

Signed-off-by: Jean-Paul Saman <jpsaman@videolan.org>

When needed (fmt->b_packetized == false), create a packetizer before creating a
decoder. The fmt_in of the decoder is copied either from the fmt_out of the
packetizer, or from the fmt of CreateDecoder.

output pts/length is computed from input block pts.
If sample rate is wrong, all timings are borked.
Try to use the declared sample rate if possible.

If source has wrong sample rate

This reverts commit 937911d5 which was
obsoleted by commit 0fd580b8c0f1590d2b01a5062b4a1d616cd80e1c.

Also covers #2575 and #11514

breaks with IV in first packet as pointed out by funman
This reverts commit ccc273b4.

both packetizer and codec requiring extra

Fixes #2575, #11514

This reverts commit c2e4f7c6.

Ref #9200

Re-license almost all the playback modules to LGPLv2.1+ with
authorization from their respective contributors (230+)

This includes:
 - access, codec, packetizers, demux
 - audio filters, audio mixers, audio output
 - video filters, video chroma, video output
 - text renderers
 - XML parser
 - ARM NEON and SSE2 optimisations (mostly for chromas and filters)

Some modules are not concerned:
 - BDA and DShow access modules because Manol Manolov is AWOL
 - Real RTSP, because it is derived from Xine
 - x264 and t140 because they are encoders only
 - DLL Loader, because it is derived from MPlayer
 - DTS packetizer, because Jon Lech Johansen is AWOL
 - Shine and WMAfixed, because they are derived from Rockbox
 - Real demuxer, as it is derived from MPlayer and Wang Bo is AWOL
 - MPC demuxer, as Yavor Doganov is AWOL
 - Tivo demuxer, because it is derived from an MPlayer fork
 - Playlist demuxer, (WPL and ZPL parts missing), because suheaven is AWOL
 - iOS audio output and video display, because author refuses the license change
 - Equalizer and compressor, because Ronald Wright is AWOL
 - Mono, Headphone and Dolby, because author refuses the license change
 - hqdn3d and yadif, because they are from MPlayer/libavfilter
 - remoteosd, because it derives from RealVNC code
 - MMX optimisations, because Ollie Lho, from SiS, is AWOL
 - Rotate, because it depends on GPL motion

Nota Bene:
 - Some modules depend on GPL-only libraries, a LGPL module does not mean
   that the resulting binary module will be LGPL.
   Libraries affected would include liba52, libdvdcss, libdvdnav, libdvdread,
   faad2, libdca, libmad, libmpeg2, libpostproc, SRC, sid, zvbi and probably others.

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Fix #5433