This way they are available to all applications and not just ffmpeg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* qatar/master:
  riff: remove a write-only variable
  lavc: extend frame_size doxy.
  alacdec: set bits_per_raw_sample
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'c3e15f7b':
  rtpdec: Don't pass a non-AVClass pointer as log context
  rtsp: Update a comment to the current filename scheme
  avcodec: handle AVERROR_EXPERIMENTAL
  avutil: Add AVERROR_EXPERIMENTAL
  avcodec: prefer decoders without CODEC_CAP_EXPERIMENTAL

Conflicts:
	doc/APIchanges
	ffmpeg.c
	libavcodec/utils.c
	libavformat/rtpdec.c
	libavutil/error.c
	libavutil/error.h
	libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID733808
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This fixes ff* -h infinite looping
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Add support for named options, and deprecate old "num:den" ambiguous
syntax.

Fix warning.

Signed-off-by: Paul B Mahol <onemda@gmail.com>

The log context is assumed to start with an AVClass pointer.
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Error out on init if a codec with CODEC_CAP_EXPERIMENTAL is requested
and strict_std_compliance is not FF_COMPLIANCE_EXPERIMENTAL.

Move the check from avconv to avcodec_open2() and return
AVERROR_EXPERIMENTAL accordingly.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Fix parsing.

If sws_opts was NULL it was resulting in the args being set to
"W:H:(null)", which with the new parsing code was generating a syntax
failure.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes issue 1520.

* cus/stable:
  ffplay: if there is no audio stream, use external clock by default
  ffplay: use get_master_sync_type where necessary
  ffplay: add get_master_sync_type function
  ffplay: only check external clock if current frame serial matches the displayed frame serial
  ffplay: add serial field to PacketQueue entry and populate it
  ffplay: fix external time sync mode
  ffplay: initialize audio and video pts drift
  ffplay: fix nosync threshold check in synchronize_audio
  ffplay: use framedrop by default when sync is not done to video
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Marton Balint <cus@passwd.hu>
Reviewed-by: Kieran Kunhya <kierank@ob-encoder.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This commit introduces a new AVPacket side data type:
AV_PKT_DATA_STRINGS_METADATA. Its main goal is to provide a way to
transmit the metadata from the AVFilterBufferRef up to the AVFrame. This
is at the moment "only" useful for lavfi input from libavdevice:
lavd/lavfi only outputs packets, and the metadata from the buffer ref
kept in its context needs to be transmitted from the packet to the frame
by the decoders. The buffer ref can be destroyed at any time (along with
the metadata), and a duplication of the AVPacket needs to duplicate the
metadata as well, so the choice of using the side data to store them was
selected.

Making sure lavd/lavfi raises the metadata is useful to allow tools like
ffprobe to access the filters metadata (it is at the moment the only
way); ffprobe will now automatically show the AVFrame metadata in any
customizable output format for users. API users will also be able to
access the AVFrame->metadata pointer the same way ffprobe does
(av_frame_get_metadata).

All the changes are done in this single commit to avoid some memory
leaks: for instances, the changes in lavfi/avcodec.c are meant to
duplicate the metadata from the buffer ref into the AVFrame. Unless we
have an internal way of freeing the AVFrame->metadata automatically, it
will leak in most of the user apps. To fix this problem, we introduce
AVCodecContext->metadata and link avctx->metadata to the current
frame->metadata and free it at each decode frame call (and in the codec
closing callback for the last one). But doing this also means to update
the way the tiff decoder already handles the AVFrame->metadata (it's the
only one decoder with frame metadata at the moment), by making sure it
is not trying to free a pointer already freed by the lavc internals.

The lavfi/avcodec.c buffer ref code is based on an old Thomas Kühnel
work, the rest of the code belongs to the commit author.
Signed-off-by: Thomas Kühnel <kuehnelth@googlemail.com>
Signed-off-by: Clément Bœsch <ubitux@gmail.com>