lavf/segment: fix writing separate header with auto BSF

lavf/segment: add deinit function

lavf/mux: add avformat_init_output

This allows a consumer to run the muxer's init function without actually
writing the header, which is useful in chained muxers that support
automatic bitstream filtering.

MAINTAINERS: add myself for audiotoolbox

ffprobe: report field order for video streams

lavc/utils: avcodec_string: dump field order when known

lavc/h264_parser: export field order in more cases

lavc/parser: export field order if not already set

Some codecs set this in the parser, but not the decoder

lavfi: remove 2 unused lavc includes

avutil/x86/emms: Document the emms_c() vs alloc/free relation.

Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

faq: use relative links to own documentation

This way locally installed documentation refers to itself instead of the
website.

Bud-Id: https://bugs.debian.org/841501
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

avcodec/mips: loongson optimize mmi load and store operators

1.MMI_ load/store macros are defined in libavutil/mips/mmiutils.h
2.Replace some unnecessary unaligned access with aligned operator
3.The MMI_ load/store is compatible with cpu loongson2e/2f which not support instructions start with gs

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avutil/mips: loongson add mmi utils header file

1.mmiutils.h defined MMI_ load/store macros for loongson2e/2f/3a
2.mmiutils.h defined some mmi assembly macors

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

lavf/mpegts: add missed fixes to scte35 section callback

They somehow got lost along the patch versions.

Signed-off-by: Marton Balint <cus@passwd.hu>

avcodec/cuvid: Allow reinitialization of decoder

In practice, this works fine.

avformat/matroskaenc: write DisplayWidth and DisplayHeight elements only if they differ from PixelWidth and PixelHeight

Signed-off-by: James Almer <jamrial@gmail.com>

mpegts: handle AVMEDIA_TYPE_UNKNOWN correctly

It is negative, so can't be used for left shifting.

This fixes ubsan runtime error: shift exponent -1 is negative

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

avutil/avassert: Add av_assertX_fpu()

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/snowenc: Clear MMX state after edge drawing and picture encode

Fixes undefined behavior from calling libc allocation with unclean FPU state.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/mpegvideo_enc: Add missing emms_c() to clear MMX state after SIMD use

Fixes undefined behavior due to calling libc allocation with unclean FPU state

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/utils: Move emms_c() before memory allocation functions in avcodec_encode_video2()

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/cavsdec: Clear MMX state after MB decode loop

The MMX state must be cleared between using MMX and using memory allocation
thats basically the only location between the 2

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/svq1enc: Clear MMX state after svq1_encode_plane()

svq1_encode_plane() uses SIMD and we call libc memory allocation functions after it

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

lavf/rtpdec_g726: Map mime type G726 to g726le.

Add new mime types AAL2-G726 for g726 as suggested in rfc 3551.

This patch will break interaction with applications that incorrectly
use big-endian G.726 with mime type G726 but we know of at least one
device (DVTel camera) that correctly implements the rfc, so do the same.

Fixes ticket #5890.

lavc/libvpxenc: fix -auto-alt-ref option type

vp9_cx_iface actually allows values in range [0..2].
This fixes ticket #5894.

Signed-off-by: Kagami Hiiragi <kagami@genshiken.org>
Signed-off-by: James Zern <jzern@google.com>

doc: fix spelling errors

Thanks to Mathieu Malaterre <malat@debian.org> for reporting the
Que/Queue typo. (https://bugs.debian.org/839542)

Reviewed-by: Lou Logan <lou@lrcd.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

lavf/mpegts: SCTE-35 extraction from mpegts

Reviewed-by: Marton Balint <cus@passwd.hu>
Acked-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Carlos Fernandez <carlos@ccextractor.org>
Signed-off-by: Marton Balint <cus@passwd.hu>

lavc: add SCTE-35 CUI codec ID

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Carlos Fernandez <carlos@ccextractor.org>
Signed-off-by: Marton Balint <cus@passwd.hu>

lavd/decklink_dec: fix indentation

Signed-off-by: Marton Balint <cus@passwd.hu>

lavd/decklink_dec: add option to disable drawing bars on signal loss

Signed-off-by: Marton Balint <cus@passwd.hu>

avformat/mxfdec: Check size to avoid integer overflow in mxf_read_utf16_string()

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avformat/mxfdec: Fix mixed declaration and code

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

mpeg12dec: unref discarded picture from extradata

Otherwise another frame gets referenced into picture, triggering an assert
(from commit 13aae8) in av_frame_ref.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

cavsdec: unref frame before referencing again

This fixes asserts (from commit 13aae8) in av_frame_ref and
av_frame_move_ref.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

dcstr: fix division by zero

Also check for possible overflows.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

aiff: check block_align in aiff_read_packet

It can be unset in avcodec_parameters_from_context and a value of 0
causes SIGFPE crashes.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

avcodec/vda: define av_vda_default_init2 when CONFIG_H264_VDA_HWACCEL equ 0

on OSX:
../configure --disable-everything --enable-demuxer=hls make
error message: Undefined symbols for architecture x86_64:
"_av_vda_default_init2", referenced from:_videotoolbox_init in
ffmpeg_videotoolbox.o
so add av_vda_default_init2 when CONFIG_H264_VDA_HWACCEL=0

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Reviewed-by: Xidorn Quan <quanxunzhen@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avformat/rtmpproto: Fix RTMP control message handling error in listen mode.

Fix problem to fail by a RTMP Control Message except "Set Chunk Size (1)" after an RTMP handshake. When 'nginx-rtmp-module' relays an RTMP, it sends not only control message 'Set Chunk Size (1)' but also 'Window Acknowledgement Size (5)'.

Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/mpegvideo_enc: Clear mmx state in ff_mpv_reallocate_putbitbuffer()

This function must be called from the mb or slice encoding loop and MMX state may not
be clean there

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/utils: Clear MMX state before returning from avcodec_default_execute*()

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/dnxhdenc: Move allocation out of radix_sort()

Its slow, its not checked, FPU state is not clean either currently there

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

lavf/segment: decide whether to rename based on list URI

This fixes the case of writing segments to local files, but the list
over a network protocol.

openssl: Support version 1.1.0.

Fixes #5675

Signed-off-by: Matt Oliver <protogonoi@gmail.com>

tests/fate: add mxf metadata streams test

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavformat/mxfdec: add metadata streams for external referenced sourclips

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavformat/mxfdec: don't assume first stream index to be primary

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavformat/mxfdec: export track name metadata

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avformat/mxfdec: Detect field_order based on video_line_map

Read video_line_map from MXF generic picture essence descriptor and use
it to derive the coded field order. Use field_dominance to derive the
display field order from coded field order. If field_dominance is not
available the default value "1" is used as defined in SMPTE S377-1.

Fixes field_order detection for a bunch of DV/DVCPRO files. The heuristic
for deriving coded field order from video_line_map is inspired by
MediaInfo.

Signed-off-by: Tobias Rapp <t.rapp@noa-archive.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

rsd: limit number of channels

Negative values don't make sense and too large values can cause
overflows. For AV_CODEC_ID_ADPCM_THP this leads to a too small extradata
buffer being allocated, causing out-of-bounds writes.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

dxva2: fix surface selection when compiled with both d3d11va and dxva2

Fixes a regression introduced in 9b462a0b9

avformat/flvenc: do not attempt to write duration and filesize when not seekable

Its impossible to update the filesize & duration values if seekback is not
possible as with live streams

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

lavc/sheervideo: Increase av_get_codec_tag_string() input buffer size.

A size of 32 is typically used.

avfilter/firequalizer: use zero phase kernel

this makes real-valued kernel

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

avfilter/showcqt: add cscheme option

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

lavf/riff: Document the interleaving of VSM4 video.

avformat: prevent triggering request_probe assert in ff_read_packet

If probe_codec is called with pkt == NULL, it sets probe_packets to 0
and request_probe to -1.
However, request_probe can change when calling s->iformat->read_packet
and thus a probe_packets value of 0 doesn't guarantee a request_probe
value of -1.
In that case calling probe_codec again is necessary to prevent
triggering the assert.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

FATE: Add test for muxing discontinuous MP4 fragments with large timestamps

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

avformat/movenc: Skip duration check for discontinuous fragments

Found-by: Daemon404
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

lavf/mov: support gopro hero moments udta tag

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avfilter/vf_scale_npp: select cubic and lanczos as alternative where super-sampling is not supported

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>

avcodec/nvenc_hevc: Added missing option -temporal_aq

The option is present in h264_nvenc, but was missing from hevc_nvenc.

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>

avcodec/nvenc: add test for Temporal AQ support

Adds a check to see if the hardware supports temporal aq.

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>

lavc/mediacodec: use more meaningful filenames

Adds the following changes:
  * mediacodecdec.{c,h} -> mediacodecdec_common.{c,h}
  * mediacodecdec_h2645.c -> mediacodecdec.c

lavc: add mpeg4 mediacodec decoder

lavc: add vp8/vp9 mediacodec decoders

lavc/mediacodec_wrapper: do not discard codecs reporting they do not support any profile

Depending on the device, some (VP8/VP9/...) decoders report that they do
not support any profiles.

avfilter/firequalizer: add cubic_interpolate function on gain

smoother version of gain_interpolate

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

avformat/matroskadec: fix BitsPerChannel element's default value

The element is currently ignored, so there's no effective functionality
change with this.

Signed-off-by: James Almer <jamrial@gmail.com>

avformat/matroskadec: clarify some Colour element defaults using enum values

This way it's more clear what the default values refer to, as
Undetermined/Unspecified is 0 for some, 2 for others.

Signed-off-by: James Almer <jamrial@gmail.com>

avformat/mov: pass the demuxer's AVFormatContext to avpriv_request_sample()

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

lavc/videotoolboxenc: skip SEI allocation when side data is not present

Signed-off-by: Rick Kern <kernrj@gmail.com>

avformat/matroskadec: support parsing Chroma Location elements

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

aacenc: add SIMD optimizations for abs_pow34 and quantization

Performance improvements:

quant_bands:
with:     681 decicycles in quant_bands, 8388453 runs,    155 skips
without: 1190 decicycles in quant_bands, 8388386 runs,    222 skips
Around 42% for the function

Twoloop coder:

abs_pow34:
with/without: 7.82s/8.17s
Around 4% for the entire encoder

Both:
with/without: 7.15s/8.17s
Around 12% for the entire encoder

Fast coder:

abs_pow34:
with/without: 3.40s/3.77s
Around 10% for the entire encoder

Both:
with/without: 3.02s/3.77s
Around 20% faster for the entire encoder

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Tested-by: Michael Niedermayer <michael@niedermayer.cc>
Reviewed-by: James Almer <jamrial@gmail.com>

lavf/mp3enc: write encoder delay/padding upon closing

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

lavc/libmp3lame: send encoder delay/padding in packet side data

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

avfilter/firequalizer: add dumpfile and dumpscale option

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

swresample/resample: fix return value of build_filter

return AVERROR code on error

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

avcodec/mediacodec: Factor duplicate include

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

doc/examples/demuxing_decoding: Drop AVFrame->pts use

This code is not correct for git master

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

lavf/avidec: Be more verbose when ignoring very large tag size.

fate: add swr-convertaudio test

test for flt to s16
should pass on correct rounding to nearest

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

avformat/tests/gitignore: add fifo_muxer entry

Reviewed-by: Jan Sebechlebsky <sebechlebskyjan@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

lavf/avidec: Do not fail for very large idx1 tags.

Fixes demuxing the sample file from github pull request 197,
the size of its idx1 tag is 6171936 bytes, followed by a JUNK
tag of 9505704 bytes.

westwood_aud: prevent division by zero

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

astdec: fix division by zero

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

avfilter/showcqt: add font option

this is fontconfig pattern

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

avfilter/firequalizer: optimize gain/gain_entry command

do not rebuild when gain/gain_entry command are
equal with old gain/gain_entry

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

doc: Update x264 option a53cc, forgotten in 93e04102.

aiffdec: fix division by zero

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

lavc/videotoolboxenc: Enable a53cc by default.

matroskadec: fix NULL pointer dereference

The problem was introduced in commit 1273bc6.

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

lavc/videotoolboxenc: Error log formatting.

Signed-off-by: Rick Kern <kernrj@gmail.com>

lavc/videotoolboxenc: Update a53cc handling

Handles insertion into existing SEI NAL unit, inserts emulation
prevention bytes.

Signed-off-by: Rick Kern <kernrj@gmail.com>

lavc/videotoolboxenc: flush/free frames on close

Prevents encode callback from running after codec is closed.
Fixes a crash when an error is returned.

Signed-off-by: Rick Kern <kernrj@gmail.com>

lavc/videotoolboxenc: implement a53cc

Signed-off-by: Rick Kern <kernrj@gmail.com>

mov: move stsd finalization to an appropriate place

mov_finalize_stsd_codec parses stream information from the ALAC extradata,
so run it after the extradata processing is completed in mov_read_stsd.

Fixes playback of 96kHz ALAC streams muxed by qaac or the reference alac encoder.
Fixes trac ticket #5826

avfilter/firequalizer: add scale option

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

ffmpeg: remove unused ist parameter in do_subtitle_out()

Partially revert "avformat/matroskadec: set aspect ratio only when DisplayWidth and DisplayHeight are in pixels"

The code works just fine regardless of unit, so only make sure DisplayUnit
is not "unknown".

Found-by: Nicolas George <george@nsup.org>
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: James Almer <jamrial@gmail.com>

avcodec/utils: print Chroma Location string in verbose log level

It's container level information on some formats (Matroska, MXF, yuv4mpeg), so
it should be printed at higher log levels than debug.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>