This commit finalizes AAC-Main profile encoding support
by implementing all mandatory and optional tools available
in the specifications and current decoders.
The AAC-Main profile reqires that prediction support be
present (although decoders don't require it to be enabled)
for an encoder to be deemed capable of AAC-Main encoding,
as well as TNS, PNS and IS, all of which were implemented
with previous commits or earlier of this year.
Users are encouraged to test the new functionality using either
-profile:a aac_main or -aac_pred 1, the former of which will enable
the prediction option by default and the latter will change the
profile to AAC-Main. No other options shall be changed by enabling
either, it's currently up to the users to decide what's best.
The current implementation works best using M/S and/or IS,
so users are also welcome to enable both options and any
other options (TNS, PNS) for maximum quality.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
This commit implements temporal noise shaping support in the
encoder, along with an -aac_tns option to toggle it on or off
(off by default for now). TNS will increase audio quality
and reduce quantization noise by applying a multitap FIR filter
across allowed coefficients and transmit side information to the
decoder so it could create an inverse filter.
Users are encouraged to test the new functionality by enabling
-aac_tns 1 during encoding.
No major bugs are observable at this time so after a while if no
new problems appear and if the current implementation is deemed
of high enough quality and stability it will be enabled by default,
possibly at the same time the encoder has its experimental flag
removed and becomes the standard aac encoder in ffmpeg.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
This commit moves the intensity stereo implementation
out from aaccoder and into a separate file. This was
possible using the previous commits.
This commit also drastically improves the IS implementation
by making it phase invariant e.g. it will always choose the
best possible phase regardless of whether M/S coding is on
or most of the coefficients have identical phases.
This also increases the quality and reduces any distortions
introduced by enablind intensity stereo.
Users are encouraged to test it out using the -aac_is 1
parameter as it has always been.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
The table is used in libavutil/eval.c.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit moves any tables specific to the encoder from aacenc
and aaccoder to a separate file called 'aacenctab.c/.h'.
This was done as a clean up attempt as the encoder was filled with
tables pasted in between functions which made it confusing to follow
and track where each table and definition had been used.
This commit solves this by simply exporting the smaller tables out to
the aacenctab.h while the larger ones are compiled using aacenctab.c
and are referenced from the header file.
Signed-off-by: Claudio Freire <klaussfreire@gmail.com>
* commit 'bf52f773913cf74bdf0d2c8c2cb4473fa1b7801e':
lavc: add Intel libmfx-based MPEG2 decoder.
Conflicts:
configure
libavcodec/qsvdec_mpeg2.c
Some cosmetics merged, rest is related to the removed parser code and
thus not merged
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
Create tables for fixed point code.
Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* commit 'e1319aa1c1be9b64117c19170344fb78841dd67c':
libx264: Add support for the MPEG2 encoder
Conflicts:
configure
libavcodec/Makefile
libavcodec/libx264.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
Build system modified
There are several warnings occurring during build after this patch is
applied. The cause of most of these warnings is in that some definitions
needed here are logical part of sbr module and are added in later patches.
When this patches are applied these warnings stop occurring.
The only warning that is added here and is not fixed with later patches
is warning that warns that type mismatch for table ff_aac_eld_window_480.
The reason for this warning is in that ER AAC ELD 480 is not integrated in
to the fixed point implementation at this moment and there is no fixed point
version of this table.
Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* commit '69ab9f53f901eac6a649e22d28cf093357870627':
hevc: split bitstream unescaping to a separate file
Conflicts:
libavcodec/Makefile
libavcodec/hevc.c
See: afa93d198a
Merged-by: Michael Niedermayer <michaelni@gmx.at>
ELS and ePIC decoder courtesy of Maxim Poliakovski,
cleanup and integration by Diego Biurrun.
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This change introduces basic support for HEVC decoding through vdpau.
Right now, there are problems with the nvidia driver/library implementation
that mean that frames are incorrectly laid out in memory when they are
returned from the decoder, and it is normally impossible to recover the
complete decoded frame due to loss of data from alignment inconsistencies.
I obviously hope that nvidia will be fixing it in due course - I've verified
the problems exist with their example application.
As such, this support is not useful for any real world application, but I
believe that it is correct (with the caveat that the mangled frames may hide
problems) and will work properly once the nvidia problem is fixed.
Right now it appears that any file encoded by x265 or nvenc is decoded
correctly, but that's because these files don't use a bunch of HEVC
features.
Quick summary:
Features that seem to work:
1) Short Term References
2) Scaling Lists
3) Tiling
Features with known problems:
1) Long Term References
It's hard to tell what's going on here. After I read the nvidia example
app that does not set the IsLongTerm flag on LTRs, and changed my code,
a bunch of frames using LTR started to display correctly, but there
are still samples with glitches that are related to LTRs.
In terms of real world files, both x265 and nvenc only use short term
refs from this list. The divx encoder seems similar.
Signed-off-by: Philip Langdale <philipl@overt.org>
* commit 'c0b105756f61d253bdabcc2bb49453a2557e7c3b':
txd: Use the TextureDSP module for decoding
Conflicts:
configure
libavcodec/s3tc.c
libavcodec/s3tc.h
libavcodec/txd.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Using the internal DXTC routines brings support for non multiple of 4
textures. A new test is added to cover this feature. Hashes differ
since the decoding algorithm is different, though no visual changes
have been spotted.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This module implements generic texture decompression from different
families (DXTC, RGTC, BCn) and texture compression DXTC 1, 3, and 5.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* commit 'e3d0f49abb20a551bf6d885f75c354d6d0bbeb9d':
mpegvideo: h263: Move all tables to a single file
Conflicts:
libavcodec/h263.h
libavcodec/h263data.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '7061bf0925a7d6c5899bbe710b2b8cdae9005274':
mpegvideo: Move Picture-related functions to a separate file
Conflicts:
libavcodec/mpegvideo.c
libavcodec/mpegvideo.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'b08caa87c35a768ec0abb16b1e99c3a85f1df28e':
nvenc: H264 and HEVC encoders
Conflicts:
Changelog
configure
libavcodec/Makefile
libavcodec/version.h
This implementation is merged under the name nvenc_b*
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'fa1923f18205410a3b0aa6c0e77cb31443ef340d':
mpegvideo: Move ff_*_rl functions to a separate file
Conflicts:
libavcodec/mpegvideo.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
WebPAnimEncoder API is a combination of encoder (WebPEncoder) and muxer
(WebPMux). It performs several optimizations to make it more efficient
than the combination of WebPEncode() and native ffmpeg muxer.
When WebPAnimEncoder API is used:
- In the encoder layer: we use WebPAnimEncoderAdd() instead of
WebPEncode().
- The muxer layer: works like a raw muxer.
On the other hand, when WebPAnimEncoder API isn't available, the old code is
used as it is:
- In the codec layer: WebPEncode is used to encode each frame
- In the muxer layer: ffmpeg muxer is used
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This is the 2nd patch in preparation for using WebPAnimEncoder API for encoding
and muxing WebP images.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'e6fb844f7b736e72da364032d251283bce9e63ad':
Implement shared parsing of INFO tag in Canopus family
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'ea031b75fb50c59196ccb654c9d143fb75365da9':
hqx: Move DSP related code to a separate file
Conflicts:
libavcodec/hqx.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '4978850ca2cb1ec6908f5bc79cc592ca454d11e8':
build: Split JPEG-related tables off into a separate component
Conflicts:
configure
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '23944d29a22a2cd602753b3705f73011c3bf0b18':
indeo: Give Indeo4/5 shared code a more consistent name
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '7d3183d3a4e800ab7a7fa24f49968a1b1bcc0161':
qsv: Skip header compilation depending on what parts of qsv are enabled
Conflicts:
libavcodec/Makefile
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* cehoyos/master:
lavc/h264_refs: Fix compilation with -DTRACE.
Fix make checkheaders if libmfx is not available.
lavf/gif: Add an option max_gif_delay to limit the frame duration.
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'd0a63d8b989647ffdb5f40da8e1feaffe1a8e791':
qsvdec: split off some code that will be shared with the encoder
Conflicts:
libavcodec/Makefile
libavcodec/qsvdec.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Sufficiently new nvenc hardware (GM20x or later) has support for H.265
encoding. This works the same as the H.264 encoder except the
codec parameters are different.
Due to the fact that common codec parameters are not shareable, there's
quite a bit of conditional logic you'd wish we could do without, but
such is life.
Signed-off-by: Philip Langdale <philipl@overt.org>
Reviewed-by: Timo Rothenpieler <timo@rothenpieler.org>
The AC3DecodeContext has a float (USE_FIXED=0) and an integer
(USE_FIXED=1) variant, both of which can be present in the same binary.
This is not only very confusing, but it also breaks horribly, when one
variant is used by code expecting the other.
This currently happens, because eac3dec.c is only compiled for the float
variant, but also used from ac3dec_fixed.c, which uses the integer
variant.
The result is memory corruption, leading to crashes.
So compile eac3dec.c once for each variant and adapt it, so that it
works with the integer variant.
A loss of precission and scaling bug has been fixed by the committer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Fixes the following link error:
nutdec.c:(.text+0x2d47): undefined reference to `ff_codec_movvideo_tags'
isom.c:(.text+0x332): undefined reference to `avpriv_mpeg4audio_get_config'
isom.c:(.text+0x39e): undefined reference to `avpriv_mpa_freq_tab'
* commit 'cb4cb7b0ea12b791dde587b1acd504dbb4ec8f41':
qsv: Skip qsv.h compilation if qsv is not enabled
Conflicts:
libavcodec/Makefile
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '3a651f599a18b023602370b67a77eb0efa309b20':
dca: Move data tables from a header to an object file
Conflicts:
libavcodec/Makefile
libavcodec/dcadata.h
libavcodec/dcadec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '67690683130faf37dd9d969ced15eba2a1940ade':
g722: Split out g722_qmf_apply() function into g722dsp.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'b339019de4e5f4d3c661bbdba98ae248ab77e2f0':
dca: Split code for handling the EXSS extension off into a separate file
Conflicts:
libavcodec/Makefile
libavcodec/dcadec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '3d5d46233cd81f78138a6d7418d480af04d3f6c8':
opus: Factor out imdct15 into a standalone component
Conflicts:
configure
libavcodec/opus_celt.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '28df0151b6618226b05ee52e031af0b11ca531b0':
configure: Add a dependency on vc1_decoder from vc1_parser
See: 6ac3c8c6a0
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This fixes builds with vc1_parser enabled without vc1_decoder. All
the vc1_decoder object files were included in the vc1_parser line
in libavcodec/Makefile before, but architecture specific object files
for vc1_decoder were not.
Signed-off-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Anshul Maheshwari <anshul.ffmpeg@gmail.com>
To test Closed caption use following command
ffmpeg -f lavfi -i "movie=input.ts[out0+subcc]" -map s output.srt
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Compared to existing, common opensource H264 encoders, this can be
useful since it has got a different license (BSD instead of GPL).
Performance- and qualitywise it is comparable to x264 in ultrafast
mode.
Hooking it up as an encoder in libavcodec also simplifies comparing
it against other common encoders.
This requires OpenH264 1.3 or newer. Since the OpenH264 API and ABI
changes frequently, only releases are supported.
To take advantage of the OpenH264 patent offer, the OpenH264 library
must not be redistributed, but downloaded at runtime at the end-user's
system.
Signed-off-by: Martin Storsjö <martin@martin.st>
This test doesn't cover every possible issue with this function.
It covers options management only.
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
vorbis_parser.o is built unconditionally since 5e80fb7ff, and the
unconditionally built parts of it depend on xiph.o.
This fixes builds with --disable-everything.
Signed-off-by: Martin Storsjö <martin@martin.st>
* commit '5e80fb7ff226f136dbcf3fed00a2966bf8e9bd70':
lavc: add a public API for parsing vorbis packets.
Conflicts:
doc/APIchanges
libavcodec/Makefile
libavcodec/version.h
libavcodec/vorbis_parser.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
The only parameters needed by the demuxers are the sample rate and sample
count, which can be trivially extracted manually, without resorting to
an avpriv function.
This makes the addition of arch optimized functions easier.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This makes the addition of arch optimized functions easier.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>
* commit '1274ea8dbaec44355bde07f6bb31fec0c4e6fd2d':
Split off floating point AAN (I)DCT into separate components
Conflicts:
configure
libavcodec/Makefile
libavcodec/dct-test.c
libavcodec/idctdsp.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
For sbr_qmf_window_us there is even a question if it maybe
should be fully hardcoded all the time.
Since half of it is coded, it ends up in .data and not .bss.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
* commit 'f20518568a77a6138fc74021ce56013ab72907ba':
build: Split WMA frequencies into a separate object file
Conflicts:
configure
libavcodec/Makefile
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'efd26bedec9a345a5960dbfcbaec888418f2d4e6':
build: Add explanatory comments to (optimization) blocks in the Makefiles
Conflicts:
libavcodec/ppc/Makefile
libavcodec/x86/Makefile
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Thanks to Pascal Massimino and Michael Militzer for permission to use under LGPL
The xvid idct code is from xvid, and nearly unchanged to make future syncing easy
the integration into ffmpeg is done by the commiter
the commit message is written by the commiter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Initialise VC1DSPContext for parser as well as for decoder.
Note, the VC-1 code doesn't actually use the function pointer yet.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* commit 'a786c8259dafeca9744252230b5d78f67810770c':
idct: Split off Xvid IDCT
Conflicts:
libavcodec/Makefile
libavcodec/mpeg4videodec.c
libavcodec/x86/Makefile
libavcodec/x86/idctdsp_init.c
This split is somewhat restructured leaving the xvid IDCT available
outside mpeg4 if manually selected.
The code also could not be merged unchanged as it conflicted with a
bugfix in FFmpeg
Merged-by: Michael Niedermayer <michaelni@gmx.at>
