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Commit Graph

9014 Commits

Author SHA1 Message Date
Anton Khirnov
1b45405d44 tests/fate-run: add testing with a random number of threads
Useful for discovering bugs that depend on a specific thread count.

Use like THREADS=randomX for a random thread count from 1 to X, with
X=16 when not specified. Note that the thread count is different for
every test.
2023-07-11 19:19:32 +02:00
Paul B Mahol
fcbee7efdf avfilter/avf_showcwt: add qdrt frequency scale 2023-07-09 20:53:55 +02:00
Paul B Mahol
aee8689ba5 avfilter/avf_showcwt: add cbrt frequency scale 2023-07-09 20:53:54 +02:00
Paul B Mahol
7f23b72dde avfilter/avf_showcwt: add sqrt frequency scale 2023-07-09 20:53:52 +02:00
Niklas Haas
13e9899014 lavfi/vf_libplacebo: add contrast recovery options
New upstream option. Enabled by default in the high-quality preset
upstream, so enable it by default here.
2023-07-08 12:54:49 +02:00
Niklas Haas
2e83ba001d lavfi/vf_libplacebo: deprecate hybrid_mix option
Deprecated upstream in libplacebo v6.292.
2023-07-08 12:41:45 +02:00
James Almer
d694c25b44 avutil/random_seed: add av_random_bytes()
Uses the existing code for av_get_random_seed() to return a buffer with
cryptographically secure random data, or an error if none could be generated.

Signed-off-by: James Almer <jamrial@gmail.com>
2023-07-05 10:06:05 -03:00
Devin Heitmueller
ac4247270c avdevice/decklink_enc: add support for SMPTE 2038 VANC packet output
Support decoding and embedding VANC packets delivered via SMPTE 2038
into the SDI output.  We leverage an intermediate queue because
data packets are announced separately from video but we need to embed
the data into the video frame when it is output.

Note that this patch has some additional abstraction for data
streams in general as opposed to just SMPTE 2038 packets.  This is
because subsequent patches will introduce support for other
data codecs.

Thanks to Marton Balint for review/feedback.

Signed-off-by: Devin Heitmueller <dheitmueller@ltnglobal.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
2023-07-02 19:57:45 +02:00
Paul B Mahol
b40324d417 doc/general_contents: update for recent additions 2023-06-30 21:39:45 +02:00
Gyan Doshi
285c7f6f6b doc/filters: correct luma terminology
Partially fixes #10427

See https://poynton.ca/notes/colour_and_gamma/ColorFAQ.html#RTFToC11 for
ref.
2023-06-26 16:02:42 +05:30
Michael Niedermayer
3323b515ab
doc/developer: Require new modules to include tests
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-06-24 01:50:24 +02:00
Niklas Haas
f998a618ba lavfi/vf_libplacebo: add nb_inputs option
To control the number of inputs.
2023-06-20 17:09:58 +02:00
Niklas Haas
5989719e87 lavfi/vf_libplacebo: add in_idx variable
To allow placing an input dynamically, as a function of the input index.
2023-06-20 17:09:58 +02:00
Tomas Härdin
8e53233f68 lavc/msrleenc: Add msrle encoder
Keyframes are marked automagically
2023-06-20 14:37:52 +02:00
Paul B Mahol
ea190b8a23 avfilter/vf_drawtext: use flags type of option for text_align 2023-06-19 22:35:53 +02:00
yethie
01420316d2 avfilter/vf_drawtext: add support for commands 2023-06-19 22:35:53 +02:00
yethie
692d37d2e9 avfilter/vf_drawtext: add y_align option
The new y_align option specifies if the user provided y value
is referred to the top of the text, to the font baseline or to the
top of the font
2023-06-19 22:35:53 +02:00
yethie
5f2d907de2 avfilter/vf_drawtext: implement text alignment
Text can now be aligned vertically (top, middle, bottom) and horizontally (left, center, right)
relative to the background box.
2023-06-19 22:35:53 +02:00
yethie
01d843f6d0 avfilter/vf_drawtext: add expression variables to control font ascent/descent
The following new variables can be used in the x and y expressions: font_a, font_d, top_a, bottom_d.
2023-06-19 22:35:53 +02:00
yethie
fac7bb06d8 avfilter/vf_drawtext: add options for size of the background box 2023-06-19 22:35:53 +02:00
yethie
79e39978d8 avfilter/vf_drawtext: extend boxborderw option
Adds support for different border size in each direction.
2023-06-19 22:35:53 +02:00
yethie
1eeb59a209 avfilter/vf_drawtext: improve glyph shaping and positioning
- text is now shaped using libharfbuz
- glyphs position is now accurate to 1/4 pixel in both directions
- the default line height is now the one defined in the font

Adds libharfbuzz dependency.
2023-06-19 22:35:52 +02:00
Anton Khirnov
52d7ea6635 doc/ffmpeg: improve -stats_*_fmt documentation 2023-06-19 09:48:10 +02:00
Paul B Mahol
4583a24c65 avfilter/vf_xfade: add reveal transitions 2023-06-17 19:48:10 +02:00
Paul B Mahol
8fe25b1203 avfilter/vf_xfade: add cover transitions 2023-06-17 19:48:09 +02:00
Philip Langdale
73a2252f1d avfilter/vf_bwdif_cuda: CUDA accelerated bwdif deinterlacer
I've been sitting on this for 3 1/2 years now(!), and I finally got
around to fixing the loose ends and convincing myself that it was
correct. It follows the same basic structure as yadif_cuda, including
leaving out the edge handling, to avoid expensive branching.
2023-06-16 12:52:32 -07:00
Dawid Kozinski
3069a8fe3c avformat/evc_muxer: Added muxer to handle writing EVC encoded data into file or output bytestream
- Provided AVOutputFormat structure describing EVC output format (ff_evc_muxer)
- Added documentation for EVC muxer

Signed-off-by: Dawid Kozinski <d.kozinski@samsung.com>
2023-06-15 09:51:13 -03:00
Gyan Doshi
41229ef705 doc/muxers: harmonize option presentation in hls
No surrounding option has the '-' prefix.
2023-06-15 15:07:05 +05:30
Anton Khirnov
ba32f28498 doc/examples/transcode: convert timestamps between filtering and encoding
The timebases do not have to match.
2023-06-03 11:27:42 +02:00
Anton Khirnov
811b0e02be doc/examples/transcode: stop using decoder's AVCodecContext.time_base
The contents of this field are not defined for decoding. Use
pkt_timebase, which is the timebase of demuxed packets.

Drop a tautological av_packet_rescale_ts() call, as the stream and
decoder timebases are the same.
2023-06-03 11:27:23 +02:00
Anton Khirnov
828d3b4432 doc/examples/transcode: set packet timebase for decoding
It is recommended for callers to set it, though not required.
2023-06-03 11:27:11 +02:00
Niklas Haas
c4cdd79435 lavfi/vf_libplacebo: add corner_rounding option
For what use it may be.
2023-05-29 19:11:18 +02:00
Dawid Kozinski
637afea88e avcodec: MPEG-5 EVC codec registration
Added prerequisites that must be met before providing support for the MPEG-5 EVC codec
- Added new entry to codec IDs list
- Added new entry to the codec descriptor list
- Bumped libavcodec minor version
- Added profiles for EVC codec

Signed-off-by: Dawid Kozinski <d.kozinski@samsung.com>
Signed-off-by: James Almer <jamrial@gmail.com>
2023-05-29 11:38:21 -03:00
Paul B Mahol
f02964aee1 avfilter/af_silenceremove: add standard deviation detector
Useful in cases audio samples DC offset is not ~0.0, where
other detectors will fail to detect silence.
2023-05-29 11:47:10 +02:00
Michael Niedermayer
75918016ab
Move bessel_i0() from swresample/resample to avutil/mathematics
0th order modified bessel function of the first kind are used in multiple
places, lets avoid having 3+ different implementations
I picked this one as its accurate and quite fast, it can be replaced if
a better one is found

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-05-29 00:45:28 +02:00
Lynne
6018f87599
doc/filtering: add documentation for Vulkan filters
This commit documents most of the Vulkan filters. Some of this was
copy-pasted from equivalent OpenCL filters.
2023-05-29 00:42:04 +02:00
Lynne
f3795e1857
APIchanges: add AVHWAccel changes and bump lavc minor 2023-05-29 00:42:03 +02:00
Lynne
db1d022781
APIchanges: add hwcontext_vulkan changes and bump lavu minor 2023-05-29 00:42:02 +02:00
Lynne
bef86ba86c
APIchanges: add new pixel formats supported and bump lavu minor 2023-05-29 00:42:02 +02:00
Paul B Mahol
62d4110a64 avfilter/af_silenceremove: add timestamp option 2023-05-28 12:23:14 +02:00
Paul B Mahol
e53260c1f4 avfilter/af_silenceremove: add ptp detector 2023-05-28 12:23:11 +02:00
Paul B Mahol
e8e4863325 avfilter/af_silenceremove: fix the any/all confusion and change default
'any' stop mode is now correctly implemented for end trimming and is of limited usage.
Extend examples and other documentation of this filter.
2023-05-27 16:04:00 +02:00
Paul B Mahol
7927a96e2b avfilter/af_silenceremove: add commands support 2023-05-27 11:17:58 +02:00
Paul B Mahol
5a13b133f8 avfilter/af_silenceremove: add median silence detector 2023-05-27 00:34:37 +02:00
Paul B Mahol
2b5166addf avfilter/af_silenceremove: add real peak detector
Rename old peak detector to more correct name one.
2023-05-26 10:13:37 +02:00
Paul B Mahol
3235de4883 avfilter/af_silenceremove: switch to activate
Do full rewrite, new code is much faster for typical filter usages.
Also previous code was hard to follow and basically very-hard to maintain.
2023-05-26 10:13:37 +02:00
Paul B Mahol
a1838c59bb avfilter/af_astats: add abs_peak_count stat 2023-05-25 19:51:39 +02:00
Gyan Doshi
944243477b doc/filters: clarify requirements for subtitles wrap_unicode option 2023-05-25 12:40:08 +05:30
Zhao Zhili
43ace8f2bc avfilter/vf_subtitles: add wrap_unicode option
So CJK can be wrapped automatically.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
2023-05-25 11:31:54 +08:00
Niklas Haas
21715ecff1 lavfi/vf_libplacebo: update peak detection options
Upstream peak detection lost one option and gained one option. Update
code and documentation as required.
2023-05-22 10:31:51 +02:00
Niklas Haas
643cf2ec46 lavfi/vf_libplacebo: update for new tone mapping API
This algorithm has once again been refactored, this time leading to a
dropping of the old `tone_mapping_mode` field, to be replaced by a
single tunable hybrid mode with configurable strength.

We can approximately map the old modes onto the new API for backwards
compatibility. Replace deprecated enums by their integer equivalents to
safely preserve this API until the next bump.
2023-05-22 10:31:50 +02:00
Niklas Haas
d637f20f05 lavfi/vf_libplacebo: switch to new gamut mapping API
Upstream deprecated the old ad-hoc, enum/intent-based gamut mapping API
and added a new API based on colorimetrically accurate gamut mapping
functions.

The relevant change for us is the addition of several new modes, as well
as deprecation of the old options. Update the documentation accordingly.
2023-05-22 10:31:50 +02:00
Paul B Mahol
0709680fc4 avfilter/vf_xfade: add horizontal and vertical wind transforms 2023-05-22 08:42:06 +02:00
Paul B Mahol
65fe18040a avfilter/f_graphmonitor: add flags option shortcuts 2023-05-21 13:02:02 +02:00
Paul B Mahol
b528e098a9 avfilter/f_graphmonitor: show also current timeline status of filter 2023-05-21 13:01:59 +02:00
Paul B Mahol
4c695bfa65 avfilter/f_graphmonitor: make mode option of type flags 2023-05-18 18:12:42 +02:00
James Almer
01d444c077 avutil/frame: add av_frame_replace
Signed-off-by: James Almer <jamrial@gmail.com>
2023-05-18 10:15:59 -03:00
James Almer
63767b79a5 avutil/frame: deprecate palette_has_changed
Not only this is information that relies on the concept of a sequence of
frames, which is completely out of place as a field in AVFrame, but there are
no known or intended uses of this field.

Signed-off-by: James Almer <jamrial@gmail.com>
2023-05-18 08:45:23 -03:00
Tobias Rapp
aa6eeb29cb doc/ffmpeg: Extend documentation for sws_flags option
Clarify that -sws_flags are only applied to simple filtergraphs as a
default, not complex filtergraphs. Add a reference to the scaler
options.
2023-05-17 17:14:54 +02:00
Anton Khirnov
7d1d61cc5f lavc: deprecate AVCodecContext.ticks_per_frame
For encoding, this field is entirely redundant with
AVCodecContext.framerate.

For decoding, this field is entirely redundant with
AV_CODEC_PROP_FIELDS.
2023-05-15 10:56:18 +02:00
Anton Khirnov
70433abf7f lavc/codec_desc: add a property for codecs that support field coding
Multiple places currently use AVCodecContext.ticks_per_frame > 1 to
identify such codecs, which
* requires a codec context
* requires it to be open
2023-05-15 10:31:55 +02:00
Anton Khirnov
8b20d0dcb5 lavc: deprecate AV_CODEC_CAP_SUBFRAMES
There is nothing meaningful the caller can do with it.
2023-05-15 10:24:54 +02:00
Paul B Mahol
c27895bb98 avfilter/f_graphmonitor: add nozero display mode 2023-05-14 20:58:08 +02:00
Paul B Mahol
7a63add0ea avfilter/f_loop: add time option, for loop start in seconds 2023-05-14 20:58:07 +02:00
Niklas Haas
30c71ef98e lavfi/vf_libplacebo: add frame_mixer option
Fairly straightforward. We just need to modify the scaler handling code
slightly to support looking at a different list of filter presets.
2023-05-14 11:21:43 +02:00
Niklas Haas
02f3b9312a lavfi/vf_libplacebo: allow fps conversion
This exposes libplacebo's frame mixing functionality to vf_libplacebo,
by allowing users to specify a desired target fps to output at. Incoming
frames will be smoothly resampled (in a manner determined by the
`frame_mixer` option, to be added in the next commit).

To generate a consistently timed output stream, we directly use the
desired framerate as the timebase, and simply output frames in
sequential order (tracked by the number of frames output so far).
2023-05-14 11:21:43 +02:00
Oleg
e700d87b20 avfilter/setpts: add command support
Add support for changing expr on the fly.

Signed-off-by: Oleg <oafanasiev@gmail.com>
2023-05-14 11:10:50 +02:00
Paul B Mahol
28a73506df avfilter/vf_waveform: add input option
For finer control of selected formats for filtering.
2023-05-14 00:13:59 +02:00
Andriy Utkin
86ee031795 doc/muxers/image2: drop unmatched quote in example
Percent sign is not a special character in popular shells, so the
quoting isn't necessary.
2023-05-12 16:20:28 +05:30
Devin Heitmueller
0e12cdc69c avfilter/vf_ccrepack: Add new filter to repack CEA-708 side data
THis filter can correct certain issues seen from upstream sources
where the cc_count is not properly set or the CEA-608 tuples are
not at the start of the payload as expected.

Make use of the ccfifo to extract and immediately repack the CEA-708
side data, thereby removing any extra padding and ensuring the 608
tuples are at the front of the payload.

Signed-off-by: Devin Heitmueller <dheitmueller@ltnglobal.com>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
2023-05-11 22:06:20 +08:00
Andriy Utkin
ceb050427c doc/filters/crop: drop unmatched quote in example
Commit 55b81528a9 ("doc/filters: itemize crop examples") dropped the
quotation marks from these examples, but this one remained. Quotes are
actually needed to put the example into a command line or a program, but
removing it here makes the example consistent with the document.
2023-05-11 15:54:15 +05:30
Paul B Mahol
dc1d4a8ece avfilter/src_avsynctest: add support for commands 2023-05-10 12:55:22 +02:00
Lukáš Lalinský
b5af451901 avcodec/libmp3lame: make it possible to set copyright/original flags 2023-05-10 09:42:35 +02:00
Paul B Mahol
16a86b443d avfilter/vf_estdif: remove float usage 2023-05-09 12:12:46 +02:00
Paul B Mahol
3475c8342c avfilter: add zoneplate video test source 2023-05-09 08:48:44 +02:00
Paul B Mahol
086a0f3e5e avfilter/asrc_anoisesrc: improve velvet noise output 2023-05-09 00:42:36 +02:00
Thilo Borgmann
21a0b6bca8 avfilter/vf_mpdecimate: Add option to keep the first N similar frames before dropping
This allows for decimating large similar portions of a video while preserving small ones.
2023-05-08 21:55:53 +02:00
Jonathan Gilbert
f009f84961 doc/filters/colorcorrect: fix bh option description 2023-05-07 23:23:48 +02:00
metamuffin
2dd9b4071c avdevice/lavfi: update documentation
lavfi not only supports video but also audio by now.
2023-05-07 17:29:00 +02:00
Paul B Mahol
1c8bf697ee avfilter/f_ebur128: export results into read-only options 2023-05-07 17:28:25 +02:00
Paul B Mahol
7153642992 avfilter/af_replaygain: export results into read-only options 2023-05-07 17:25:57 +02:00
Davy Durham
2ae16b05d6 fftools/ffmpeg: add ability to set a input burst time before readrate is enforced
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2023-05-07 15:48:15 +02:00
Anton Khirnov
c2ae8e30b7 lavc/codec_par: add AVCodecParameters.framerate
This corresponds to AVCodecContext.framerate.
2023-05-07 15:47:25 +02:00
James Almer
ed3691338b doc/examples/transcode_aac: use av_samples_alloc_array_and_samples to allocate the input samples buffer and pointers
Fixes -Wuse-after-free warnings and simplifies code.

Signed-off-by: James Almer <jamrial@gmail.com>
2023-05-05 15:28:28 -03:00
James Almer
0fc9c1f682 avutil/version: bump minor after recent changes
Signed-off-by: James Almer <jamrial@gmail.com>
2023-05-04 19:20:06 -03:00
Niklas Haas
ad417eb5fa doc/filters/libplacebo: fix outdated/wrong note
This has not been the case since c0b93c4f8+48c385fb4c.
2023-05-03 23:40:20 +02:00
Niklas Haas
b80e43bf07 avfilter/vf_libplacebo: add flexible crop exprs
Motivated by a desire to use vf_libplacebo as a GPU-accelerated
cropping/padding/zooming filter. This commit adds support for setting
the `input/target.crop` fields as dynamic expressions.

Re-use the same generic variables available to other scale and crop type
filters, and also add some more that we can afford as a result of being
able to set these properties dynamically.

It's worth pointing out that `out_t/ot` is currently redundant with
`in_t/t` since it will always contain the same PTS values, but I plan on
changing this in the near future.

I decided to also expose `crop_w/crop_h` and `pos_w/pos_h` as variables
in the expression parser itself, since this enables the fairly common
use case of determining dimensions first and then placing the image
appropriately, such as is done in the default behavior (which centers
the cropped/placed region by default).
2023-05-03 23:40:20 +02:00
Niklas Haas
4b11a07550 avfilter/vf_libplacebo: add fillcolor option
In some circumstances, libplacebo will clear the background as a result
of cropping/padding. Currently, this uses the hard-coded default fill
color of black. This option makes this behavior configurable.
2023-05-03 23:40:20 +02:00
Anton Khirnov
5a04aae821 fftools/ffmpeg: deprecate -adrift_threshold
This option has had no effect since -async was removed in
3d86a13b47
2023-05-02 10:59:24 +02:00
Paul B Mahol
5617465916 avfilter/af_anlms: improve documentation and extend option 2023-05-01 20:07:06 +02:00
Paul B Mahol
f09280dfc4 avfilter/af_arls: improve documentation and extend option 2023-05-01 20:07:05 +02:00
Paul B Mahol
a2f4adf680 avfilter: add arls filter 2023-04-30 11:34:35 +02:00
Paul B Mahol
f247a3d82d avfilter/af_adynamicequalizer: add precision option 2023-04-30 11:32:45 +02:00
Paul B Mahol
51504cf279 avfilter/af_adynamicequalizer: add dftype option
Useful for filter selection for detection control.
2023-04-28 23:31:25 +02:00
Ting Fu
a9fb141719 lavfi/dnn: Modified DNN native backend related tools and docs.
Will remove native backend, so change the default backend in filters,
and also remove the python scripts which generate native model file.

Signed-off-by: Ting Fu <ting.fu@intel.com>
2023-04-28 11:07:41 +08:00
Paul B Mahol
19148a5b9f avfilter: add FIR equalizer coefficients source filter 2023-04-27 21:45:57 +02:00
Niklas Haas
54126920fc doc/filters/libplacebo: add vaapi interop example
Some testing revealed this to be a very efficient and reliable method of
ingesting GPU frames into libplacebo, so it's a good idea to give as an
example.
2023-04-26 15:36:10 +02:00
Niklas Haas
4fa691b761 doc/filters/libplacebo: remove outdated example
This example being first is now misleading because round-tripping
through hwdownload/hwupload is neither required nor recommended. Also,
the comment about avoiding format conversion is unnecessary because
`libplacebo` will now inherit the input frame format by default.
2023-04-26 15:36:10 +02:00
Paul B Mahol
bee265e5d5 avfilter/af_afir: add way to control loading interval of impulses 2023-04-25 21:22:15 +02:00
Marton Balint
412274c0d2 doc/muxers: reorder and cleanup mov muxer options
Make various movflags grouped together similar to how it is done for other
options.

Signed-off-by: Marton Balint <cus@passwd.hu>
2023-04-24 23:00:50 +02:00
Sil Vilerino
5ff1430452 fftools/ffmpeg_opt: Document VAAPI -device usage for DirectX Adapter
Initial review at https://github.com/intel-media-ci/ffmpeg/pull/619/

Signed-off-by: Sil Vilerino <sivileri@microsoft.com>
Reviewed-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
Reviewed-by: Wu, Tong1 <tong1.wu@intel.com>
2023-04-24 13:24:41 +08:00
Thilo Borgmann
4dd3f2098c doc/developer: mention samples-request for FATE upload requests 2023-04-23 21:45:40 +02:00
Niklas Haas
4eaaa38d3d avutil: make av_frame_get_plane_buffer accept a const AVFrame*
Signed-off-by: Niklas Haas <git@haasn.dev>
2023-04-14 10:53:28 +02:00
Anton Khirnov
2f24290c8e fftools/ffmpeg: disable and deprecate -qphist
This option adds a long string of numbers to the progress line, where
i-th number contains the base-2 logarithm of the number of times a frame
with this QP value was seen by print_report().

There are multiple problems with this feature:
* despite this existing since 2005, web search shows no indication
  that it was ever useful for any meaningful purpose;
* the format of what is printed is entirely undocumented, one has to
  find it out from the source code;
* QP values above 31 are silently ignored;
* it only works with one video stream;
* as it relies on global state, it is in conflict with ongoing
  architectural changes.

It then seems that the nontrivial cost of maintaining this option is not
worth its negligible (or possibly negative - since it pollutes the
already large option space) value.
Users who really need similar functionality can also implement it
themselves using -vstats.
2023-04-13 15:11:56 +02:00
James Almer
61b27b15fc avutil/hdr_dynamic_metadata: allow av_dynamic_hdr_plus_to_t35() to accept an existing buffer
The function now accepts an existing buffer to avoid unnecessary allocations,
as well as only reporting the needed amount of bytes if you pass a NULL pointer
as input for data.
For this, both parameters become input and output, as well as making data
optional. This is backwards compatible, and as such not breaking any existing
use of the function in external code (if there's any).

Signed-off-by: James Almer <jamrial@gmail.com>
2023-04-05 09:47:12 -03:00
Anton Khirnov
2244722f1f doc/ffmpeg: rewrite the introductory paragraph
This is not the place to boast about high-quality polyphase filters -
the most important feature of the program is its universality.
2023-04-04 11:45:51 +02:00
Anton Khirnov
bf6df790c2 doc/ffmpeg: refine program title
It is a media converter, not just a video converter.
2023-04-04 11:45:44 +02:00
Stefano Sabatini
686e14e9fb doc/platform: drop reference to ffmpeg.zeranoe.com
It was closed in September 2020.

Fix issue:
http://trac.ffmpeg.org/ticket/9734
2023-04-02 16:28:54 +02:00
Stefano Sabatini
627d5a87bb doc/ffmpeg: slightly rework introductory examples
In particular, add a sentence to introduce the example, and add a
simpler starting example with no options.

Also use different format for input.avi and output.mp4, to convey
that the conversion also works on the container format.

Address issue:
http://trac.ffmpeg.org/ticket/8730
2023-04-02 16:28:54 +02:00
Stefano Sabatini
ee25a434dc doc/filters/find_rect: extend documentation
Document metadata entries set by the filter, extend and clarify
options, add additional example showing how to extract the generated
data.

Address issue:
http://trac.ffmpeg.org/ticket/8766
2023-04-02 16:22:14 +02:00
James Almer
113f684271 doc/encoders: add an entry for the frame_length option from libfdk-aac
Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: James Almer <jamrial@gmail.com>
2023-03-31 10:17:57 -03:00
jackarain
4d216654ca libavformat/tcp: add local_addr/local_port for network option
Signed-off-by: jackarain <jack.wgm@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2023-03-30 12:09:49 +02:00
Stefano Sabatini
0684e58886 doc/filters/paletteuse: mention none dithering value
Fix issue:
http://trac.ffmpeg.org/ticket/9950
2023-03-29 00:15:19 +02:00
Stefano Sabatini
64016356bc doc/outdevs/sdl: update options documentation
Drop mention of missing icon_title option, document window_borderless option.

Fix issue:
http://trac.ffmpeg.org/ticket/9583
2023-03-29 00:15:19 +02:00
Stefano Sabatini
42d99d5132 doc/outdevs/sdl: sort options by name 2023-03-29 00:15:19 +02:00
Stefano Sabatini
47c56ff554 doc/filters/aspect: update documentation
Drop mention of unsupported N:M syntax, dropped since 0ed61546c4.

Also, drop reference of common expression constants, and fix
description of a expression parameter.

Fix issue:
http://trac.ffmpeg.org/ticket/9974
2023-03-29 00:15:19 +02:00
Stefano Sabatini
5c13307989 doc/filters: mentions that whitespaces are ignored in the filtergraph specification
Also provide example showing how to use this feature to improve filtergraph
readability.

Address issue:
http://trac.ffmpeg.org/ticket/8115
2023-03-29 00:15:19 +02:00
Stefano Sabatini
7792f53e5e doc/filters: propose solutions to avoid shell escaping
Reference drawtext textfile option and ffmpeg -filter_complex_script
and -filter_script as possible solutions to avoid shell escaping.

Address issue:
http://trac.ffmpeg.org/ticket/9008
2023-03-29 00:15:19 +02:00
Stefano Sabatini
030b34eac9 doc/filters/drawtext: clarify meaning of strftime format string
Also clarify what should be used instead of the strftime expansion mode.
2023-03-29 00:15:19 +02:00
TADANO Tokumei
b6138633cd lavc/libaribcaption.c: add ARIB caption decoder using libaribcaption
This patch add another ARIB caption decoder using libaribcaption
external library.

Unlike libaribb24, it supports 3 types of subtitle outputs:
* text: plain text
* ass: ASS formatted text
* bitmap: bitmap image

Default subtitle type is ass as same as libaribb24.
Advantages compared with libaribb24 on ASS subtitle are:
* Subtitle positioning.
* Multi-rect subtitle: some captions are displayed at different
  position at a time.
* More stability and reproducibility.

To compile with this feature:
* libaribcaption external library has to be pre-installed.
  https://github.com/xqq/libaribcaption
* configure with `--enable-libaribcaption` option.

`--enable-libaribb24` and `--enable-libaribcaption` options are
not exclusive. If both enabled, libaribcaption precedes as
order listed in `libavcodec/allcodecs.c`.

Signed-off-by: rcombs <rcombs@rcombs.me>
2023-03-28 12:05:19 -04:00
James Almer
20dade27d9 fftools/ffprobe: print crop_* frame fields
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
2023-03-26 16:39:59 -03:00
Stefano Sabatini
261fb55e39 doc/ffmpeg: add vstats format documentation
Address issue:
http://trac.ffmpeg.org/ticket/7520
2023-03-26 12:24:26 +02:00
Michael Niedermayer
06b451d276
avfilter/vf_mcdeint: update to new API
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-03-26 01:46:49 +01:00
Anton Khirnov
632c349931 lavfi: add a flag for filters able to work with hw_device_ctx
This way the caller can set it just on the filters that can make use of
it.
2023-03-24 10:16:51 +01:00
Raphaël Zumer
0a3ce5f738 avutil: add HDR10+ dynamic metadata serialization function
Co-authored-by: Mohammad Izadi <moh.izadi@gmail.com>
Signed-off-by: Raphaël Zumer <rzumer@tebako.net>
Signed-off-by: James Almer <jamrial@gmail.com>
2023-03-21 13:52:39 -03:00
Anton Khirnov
49b733c73c doc/developer.texi: add a section on API/ABI compatibility
Document established practices in it.
2023-03-20 10:52:17 +01:00
Anton Khirnov
f4dd302a38 doc/developer.texi: document checkasm 2023-03-20 10:52:17 +01:00
Anton Khirnov
a36ad2c649 doc/developer.texi: document the use of other languages than C 2023-03-20 10:52:17 +01:00
Anton Khirnov
27f8c9b27b lavu/frame: deprecate AVFrame.pkt_{pos,size}
These fields are supposed to store information about the packet the
frame was decoded from, specifically the byte offset it was stored at
and its size.

However,
- the fields are highly ad-hoc - there is no strong reason why
  specifically those (and not any other) packet properties should have a
  dedicated field in AVFrame; unlike e.g. the timestamps, there is no
  fundamental link between coded packet offset/size and decoded frames
- they only make sense for frames produced by decoding demuxed packets,
  and even then it is not always the case that the encoded data was
  stored in the file as a contiguous sequence of bytes (in order for pos
  to be well-defined)
- pkt_pos was added without much explanation, apparently to allow
  passthrough of this information through lavfi in order to handle byte
  seeking in ffplay. That is now implemented using arbitrary user data
  passthrough in AVFrame.opaque_ref.
- several filters use pkt_pos as a variable available to user-supplied
  expressions, but there seems to be no established motivation for using them.
- pkt_size was added for use in ffprobe, but that too is now handled
  without using this field. Additonally, the values of this field
  produced by libavcodec are flawed, as described in the previous
  ffprobe conversion commit.

In summary - these fields are ill-defined and insufficiently motivated,
so deprecate them.
2023-03-20 10:42:09 +01:00
Michael Niedermayer
cee4b99d41
avfilter/vf_uspp: Support any codec
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-03-18 18:20:14 +01:00
Wenbin Chen
31a23149da doc/encoders: Add av1 to qsv encoder's summary
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
2023-03-17 14:13:37 +08:00
Wenbin Chen
2db22d14bf doc/examples/qsv_transcode: Fix a bug when use more than one parameter set
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
2023-03-17 14:13:37 +08:00
Wenbin Chen
55c8c9493f libavcodec/qsvenc: Add dynamic setting support of low_delay_brc to av1_qsv
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
2023-03-17 14:13:37 +08:00
Zhao Zhili
3be46ee767 libavutil/hdr_dynamic_vivid_metadata: fix three spline params
There are two group of three_Spline params.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
2023-03-17 18:51:16 +08:00
Niklas Haas
1231003c3c avfilter/vf_libplacebo: remove deprecated field
This has not been functional since a year ago, including in our current
minimum dependency of libplacebo (v4.192.0). It also causes build errors
against libplacebo v6, so it needs to be removed from the code. We can
keep the option around for now, but it should also be removed soon.

Signed-off-by: Niklas Haas <git@haasn.dev>
Signed-off-by: James Almer <jamrial@gmail.com>
2023-03-13 11:30:58 -03:00
Stefano Sabatini
cd0d267b92 doc/examples/mux: rename alloc_picture to alloc_frame
The new name is consistent with the updated API.
2023-03-12 16:45:05 +01:00
Werner Robitza
79b40ff58c doc/filters: update SITI description
The filter implements the 'legacy' version from a superseded recommendation.
2023-03-02 18:59:37 +01:00
Marth64
373ef1c4fa
avcodec/version: bump minor version to accommodate spatial audio detection
Signed-off-by: Marth64 <marth64@proxyid.net>
2023-03-02 13:49:04 +01:00
Michael Niedermayer
011f30fc82
Use https for repository links
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-03-01 21:59:10 +01:00
Martin Storsjö
083dde57e2 doc: Fix building community.html from the new community.texi
In texi source, @ characters need to be escaped.

This fixes the following build errors:

community.texi:59: unknown command `ffmpeg'
community.texi:143: unknown command `ffmpeg'

Signed-off-by: Martin Storsjö <martin@martin.st>
2023-03-01 09:42:09 +02:00
Thilo Borgmann
6709e468f6 doc: Merge doc/dev_community/* and Code of Conduct into a seperate file
Remove doc/dev_communit markup files completely as they are at the wrong place.
Create a new community page, merging all of doc/dev_community and subsection Code of Conduct into a common place.
The corresponding patch to ffmpeg-web puts the Organisation & Code of Conduct into a seperate community chapter on the FFmpeg website.
2023-03-01 00:30:59 +01:00
Nicolas George
9a0d202118 doc/dev_community: add the addresses of the committees
Omitting the .org from the address should be protection enough
against spam spiders.

Signed-off-by: Nicolas George <george@nsup.org>
2023-03-01 00:30:59 +01:00
Stefano Sabatini
f88a4cb5e0 doc/ffmpeg: extend documentation for -dts_delta_threshold and -dts_error_threshold
PR: https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=8252
2023-02-28 22:26:28 +01:00
Linjie Fu
f459377543 lavc/avcodec: Add HEVC Screen Content Coding Extensions profile
Described in HEVC spec A.3.7. Bump minor version and add APIchanges
entry for new added profile.

Signed-off-by: Linjie Fu <linjie.justin.fu@gmail.com>
Signed-off-by: Fei Wang <fei.w.wang@intel.com>
2023-02-27 13:42:06 +08:00
Pierre-Anthony Lemieux
23b4251808
doc: improve IMF demuxer documentation
Signed-off-by: Pierre-Anthony Lemieux <pal@palemieux.com>
2023-02-21 19:38:54 -08:00
James Almer
223c70cf1d swresample/swresample: add a used channel layout option using the new API
Replaces the "used channel count" option, which is now deprecated.

Signed-off-by: James Almer <jamrial@gmail.com>
2023-02-19 18:28:45 -03:00
James Almer
1d14959f12 doc/resampler.texi: add missing swr channel layout options
Signed-off-by: James Almer <jamrial@gmail.com>
2023-02-19 18:26:53 -03:00
Marton Balint
3807fbd90a doc: remove docs for options removed at the bump
Signed-off-by: Marton Balint <cus@passwd.hu>
2023-02-19 19:29:17 +01:00
Michael Niedermayer
9e80dfbfd9
doc/APIchanges: Add 6.0 cut point
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-02-19 18:34:25 +01:00
Michael Niedermayer
e33c1a5494
doc/APIchange: fill in missing things
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-02-19 18:23:21 +01:00
Niklas Haas
eabc304d12 avfilter/vf_libplacebo: add SMPTE ST2094 tone-mappers
libplacebo gained these exciting new functions upstream.
2023-02-17 18:35:39 +01:00
Haihao Xiang
0f407cdea2 avfilter: add QSV variants of the stack filters
Include hstack_qsv, vstack_qsv and xstack_qsv. They may accept input
streams with different sizes.

Examples:
$ ffmpeg -hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \
-filter_complex "[0:v][0:v]hstack_qsv" -f null -

$ ffmpeg \
-hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \
-hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \
-hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \
-hwaccel qsv -hwaccel_output_format qsv -i input.mp4 \
-filter_complex "[0:v][1:v][2:v][3:v]xstack_qsv=inputs=4:fill=0x000000:layout=0_0_1920x1080|w0_0_1920x1080|0_h0_1920x1080|w0_h0_1920x1080" \
-f null -

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
2023-02-16 11:15:50 +08:00
Marton Balint
927042b409 avformat: deprecate AVFormatContext io_close callback
io_close2 should be used instead.

Signed-off-by: Marton Balint <cus@passwd.hu>
2023-02-16 01:18:45 +01:00
Marton Balint
2296078397 avutil/frame: deprecate AVFrame.coded_picture_number and display_picture_number
Their usefulness is questionable, very few decoders set them, and their type
should have been int64_t. A replacement field can be added later if a valid use
case is found.

Signed-off-by: Marton Balint <cus@passwd.hu>
2023-02-13 00:37:50 +01:00
Marton Balint
6b6f7db819 avcodec: add AVCodecContext.frame_num as 64 bit variant to frame_number
Frame counters can overflow relatively easily (INT_MAX number of frames is
slightly more than 1 year for 60 fps content), so make sure we use 64 bit
values for them.

Also deprecate the old 32 bit frame_number attribute.

Signed-off-by: Marton Balint <cus@passwd.hu>
2023-02-13 00:36:46 +01:00
Anton Khirnov
78f46065d8 fftools/ffmpeg: add special syntax for loading filter options from files
Many filters accept user-provided data that is cumbersome to provide as
text strings - e.g. binary files or very long text. For that reason such
filters typically provide a option whose value is the path from which
the filter loads the actual data.

However, filters doing their own IO internally is a layering violation
that the callers may not expect, and is thus best avoided. With the
recently introduced graph segment parsing API, loading option values
from files can now be handled by the caller.

This commit makes use of the new API in ffmpeg CLI. Any option name in
the filtergraph syntax can now be prefixed with a slash '/'. This will
cause ffmpeg to interpret the value as the path to load the actual value
from.
2023-02-12 10:34:45 +01:00
Anton Khirnov
d1b9a3ddb4 lavfi: add a new filtergraph parsing API
Callers currently have two ways of adding filters to a graph - they can
either
- create, initialize, and link them manually
- use one of the avfilter_graph_parse*() functions, which take a
  (typically end-user-written) string, split it into individual filter
  definitions+options, then create filters, apply options, initialize
  filters, and finally link them - all based on information from this
  string.

A major problem with the second approach is that it performs many
actions as a single atomic unit, leaving the caller no space to
intervene in between. Such intervention would be useful e.g. to
- modify filter options;
- supply hardware device contexts;
both of which typically must be done before the filter is initialized.

Callers who need such intervention are then forced to invent their own
filtergraph parsing, which is clearly suboptimal.

This commit aims to address this problem by adding a new modular
filtergraph parsing API. It adds a new  avfilter_graph_segment_parse()
function to parse a string filtergraph description into an intermediate
tree-like representation (AVFilterGraphSegment and its children).

This intermediate form may then be applied step by step using further
new avfilter_graph_segment*() functions, with user intervention possible
between each step.
2023-02-12 10:28:06 +01:00
J. Dekker
926059dbf3 tools: add general_assembly.pl
This script generates the current general assembly voters according to
the criteria of '20 commits in the last 36 months'.

Signed-off-by: J. Dekker <jdek@itanimul.li>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2023-02-12 10:14:22 +01:00
Paul B Mahol
a13210ab39 avformat: add RKA demuxer 2023-02-11 21:29:35 +01:00
Paul B Mahol
b8c0802156 avcodec: add RKA decoder 2023-02-11 21:26:37 +01:00
Stefano Sabatini
e3bbf5c17d doc/examples: fix make command, reference Makefile.example
Fix regression since b25d6290c6.
2023-02-11 18:06:02 +01:00
Stefano Sabatini
051e1ed1e2 examples/Makefile.example: add note about missing entries 2023-02-11 18:04:32 +01:00
Stefano Sabatini
34ff361921 examples: apply doxy entries consistency fixes
Use consistent format for the @file field and file description.
2023-02-11 17:49:01 +01:00
Stefano Sabatini
3d4dc6aa77 examples: rename transcoding to transcode 2023-02-11 17:49:01 +01:00
Stefano Sabatini
3856f82ef9 examples: rename scaling_video to scale_video 2023-02-11 17:49:01 +01:00
Stefano Sabatini
cd8211527e examples: rename resampling audio to resample_audio 2023-02-11 17:49:01 +01:00
Stefano Sabatini
0a69ca656b examples: rename remuxing to remux 2023-02-11 17:49:01 +01:00
Stefano Sabatini
ab2ec8ef01 examples: rename qsvdec to qsv_decode 2023-02-11 17:49:01 +01:00
Stefano Sabatini
eac4324bfb examples: rename muxing to mux 2023-02-11 17:49:01 +01:00
Stefano Sabatini
7a53ae931d examples: rename metadata to show_metadata 2023-02-11 17:49:01 +01:00
Stefano Sabatini
2e4694707e examples: rename http_multiclient to avio_http_serve_files 2023-02-11 17:49:01 +01:00
Stefano Sabatini
1ae619e8ee examples: rename filtering_video to decode_filter_video 2023-02-11 17:49:01 +01:00
Stefano Sabatini
3367bd56d1 examples: rename filtering_audio to decode_filter_audio 2023-02-11 17:49:01 +01:00
Stefano Sabatini
7f5630a899 examples: rename demuxing_decoding to demux_decode
Follow general scheme VERB_OBJECT.
2023-02-11 17:49:01 +01:00
Stefano Sabatini
f0a415c7eb examples: rename avio_reading to avio_read_callback
Adopt general scheme VERB_OBJECT.
2023-02-11 17:49:01 +01:00
Stefano Sabatini
2a3a36e279 doc/filters/astats: sort measure entries, add missing ones
Also apply minor consistency and formatting fixes.

Fix trac issue:
http://trac.ffmpeg.org/ticket/8397
2023-02-11 17:30:20 +01:00
Paul B Mahol
385ec46424 avformat: add SDNS demuxer 2023-02-11 11:30:46 +01:00
Anton Khirnov
2c4dcbd66b fftools/ffmpeg: rename -enc_stats* to -stats_enc*
This is consistent with -stats_mux*

As the options were added very recently, this should not break any
users.
2023-02-10 11:02:13 +01:00
James Almer
5bad485603 Bump major versions of all libraries
Signed-off-by: James Almer <jamrial@gmail.com>
2023-02-09 15:35:14 +01:00
Leo Izen
719a93f4e4 avutil/{color_utils, csp}: merge color_utils into csp and expose API
libavutil/color_utils contains some avpriv_ symbols that map
enum AVTransferCharacteristic values to gamma-curve approximations and
to the actual transfer functions to invert them (i.e. -> linear).

There's two issues with this:
(1) avpriv is evil and should be avoided whenever possible
(2) libavutil/csp.h exposes a public API for handling color that
    already handles primaries and matricies

I don't see any reason this API has to be private, so this commit takes
the functionality from avutil/color_utils and merges it into avutil/csp
with an exposed av_ API rather than the previous avpriv_ API.

Every reference to the previous API has been updated to point to the
new one. color_utils.h has been deleted as well. This should not break
any applications as it only contained avpriv_ symbols in the first
place, so nothing in that header could be referenced by other
applications.

Signed-off-by: Leo Izen <leo.izen@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2023-02-09 15:35:14 +01:00
Andreas Rheinhardt
868a31b42d avcodec: Make avcodec_decode_subtitle2 accept a const AVPacket*
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2023-02-09 15:24:15 +01:00
Anton Khirnov
42a0dd6e7e fftools/ffmpeg: add an option for writing pre-muxing stats
Analogous to -enc_stats*, but happens right before muxing. Useful
because bitstream filters and the sync queue can modify packets after
encoding and before muxing. Also has access to the muxing timebase.
2023-02-09 15:24:15 +01:00
gnattu
d09254a658 avformat/hls: Add option to retry failed segments for hls
Current HLS implementation simply skip a failed segment to catch up
the stream, but this is not optimal for some use cases like livestream
recording.
Add an option to retry a failed segment to ensure the output file is
a complete stream.

Signed-off-by: gnattu <gnattuoc@me.com>
Reviewed-by: Steven Liu <liuqi05@kuaishou.com>
2023-02-09 14:37:23 +05:30
Anton Khirnov
d02340b9e3 lavc/decode: allow using AV_CODEC_FLAG_COPY_OPAQUE for decoding
Use it to propagate AVPacket.opaque[_ref] to corresponding AVFrame
fields. This is a more convenient alternative to reordered_opaque.
2023-02-04 13:14:20 +01:00
Paul B Mahol
4e3e70c19d avformat: add WavArc demuxer 2023-02-04 09:37:19 +01:00
Paul B Mahol
651da91915 avcodec: add WavArc decoder 2023-02-04 09:36:01 +01:00
Jan Ekström
9a820ec8b1 ffmpeg: add video heartbeat capability to fix_sub_duration
Splits the currently handled subtitle at random access point
packets that can be configured to follow a specific output stream.
Currently only subtitle streams which are directly mapped into the
same output in which the heartbeat stream resides are affected.

This way the subtitle - which is known to be shown at this time
can be split and passed to muxer before its full duration is
yet known. This is also a drawback, as this essentially outputs
multiple subtitles from a single input subtitle that continues
over multiple random access points. Thus this feature should not
be utilized in cases where subtitle output latency does not matter.

Co-authored-by: Andrzej Nadachowski <andrzej.nadachowski@24i.com>
Co-authored-by: Bernard Boulay <bernard.boulay@24i.com>

Signed-off-by: Jan Ekström <jan.ekstrom@24i.com>
2023-02-03 16:17:29 +02:00
Anton Khirnov
806ecace91 fftools/ffmpeg: support input frame params in encoding stats 2023-01-31 09:09:23 +01:00
Paul B Mahol
229f3259f8 doc/general_contents: sync with available decoders and demuxers 2023-01-30 21:42:39 +01:00
Haihao Xiang
aecfec6f80 avfilter: add VA-API variants of the stack filters
Include hstack_vaapi, vstack_vaapi and xstack_vaapi. They may accept
input streams with different sizes.  libva2 (VA-API 1.0+) is required.

Example:
$ ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi -i input.h265 -filter_complex
"[0:v][0:v]hstack_vaapi" -c:v h264_vaapi out.h264

$ ffmpeg \
-hwaccel vaapi -hwaccel_output_format vaapi -i input.h264 \
-hwaccel vaapi -hwaccel_output_format vaapi -i input.h264 \
-hwaccel vaapi -hwaccel_output_format vaapi -i input.h264 \
-hwaccel vaapi -hwaccel_output_format vaapi -i input.h264 \
-filter_complex "[0:v][1:v][2:v][3:v]xstack_vaapi=inputs=4:fill=0x000000:layout=0_0_1920x1080|w0_0_1920x1080|0_h0_1920x1080|w0_h0_1920x1080" \
-c:v hevc_vaapi out.h265

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
2023-01-30 08:48:58 +08:00
Anton Khirnov
a1a80f2e64 lavc/encode: pass through frame durations to encoded packets
The generic code can only handle the no-delay case. Encoders with delay
need to be handled individually, which will be done in the following
commits.
2023-01-29 09:23:15 +01:00
Anton Khirnov
5c0348f3d6 lavc: add a codec flag for propagating opaque from frames to packets
This is intended to be a more convenient replacement for
reordered_opaque.

Add support for it in the two encoders that offer
AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE: libx264 and libx265. Other
encoders will be supported in future commits.
2023-01-29 09:18:14 +01:00
Anton Khirnov
935964bd41 doc/ffmpeg: drop non-existent -dc option 2023-01-29 09:12:40 +01:00
Anton Khirnov
425b2c4a56 fftools/ffmpeg: add options for writing encoding stats
Similar to -vstats, but more flexible:
- works for audio as well as video
- frame and/or packet information
- user-specifiable format
2023-01-29 09:09:59 +01:00
Paul B Mahol
40512dbd96 avfilter/af_adynamicequalizer: add auto option 2023-01-27 15:00:53 +01:00
Ashyni
69c060bea2 avfilter/vf_cropdetect: add ability to change limit at runtime
Fixes: https://trac.ffmpeg.org/ticket/9851

Signed-off-by: Ashyni <jeffrey.c@tuta.io>
2023-01-24 21:53:53 +01:00
Paul B Mahol
ac7d21284b avfilter: add fractional delay IR source filter 2023-01-16 09:59:31 +01:00
Jan Ekström
002d0ec740 avutil: introduce AVAmbientViewingEnvironment side data
This enables exposing H.274 Ambient Viewing Environment
metadata in the framework.
2023-01-13 21:26:13 +02:00
Zhao Zhili
6e7c006e40 avformat/file: add fd protocol
Unlike the pipe protocol, fd protocol has seek support if it
corresponding to a regular file.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
2023-01-11 18:50:36 +08:00
Zhao Zhili
49b8f043ca avformat/file: add fd option for pipe
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
2023-01-11 18:50:36 +08:00
Anton Khirnov
e884360e91 doc/ffmpeg: improve -r documentation
Explain different behavior for encoding and streamcopy.
2023-01-10 11:49:28 +01:00
Anton Khirnov
1a6ba73ff7 doc/ffmpeg.texi: drop a non-existent option
-ilme has not existed for 17 years, since
637b5326f3
2023-01-10 11:49:28 +01:00
Paul B Mahol
5d3f0226ad avfilter/avf_avectorscope: add anti-aliased line drawing mode 2023-01-09 18:07:05 +01:00
Wenbin Chen
13d04e30d7 libavcodec/qsvenc_av1: Add max_frame_size support to av1_qsv encoder
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
2023-01-09 13:56:03 +08:00
Wenbin Chen
c8e73558fe libavcodec/qsvenc_av1: Add low_delay_brc support to av1_qsv encoder
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
2023-01-09 13:56:03 +08:00
Clément Bœsch
68275043a0 avfilter/paletteuse: add atkinson dithering
Atkinson according to
https://bisqwit.iki.fi/jutut/kuvat/ordered_dither/error_diffusion.txt:

        *   1   1    / 8
    1   1   1
        1
2023-01-03 17:29:13 +01:00
Clément Bœsch
c973e8ae79 avfilter/paletteuse: add burkes dithering
Burkes according to
https://bisqwit.iki.fi/jutut/kuvat/ordered_dither/error_diffusion.txt:

          *  8  4
    2  4  8  4  2   / 32
2023-01-03 17:29:13 +01:00
Clément Bœsch
9973343bf9 avfilter/paletteuse: add sierra3 dithering
Sierra3 according to
https://bisqwit.iki.fi/jutut/kuvat/ordered_dither/error_diffusion.txt:

          *  5  3
    2  4  5  4  2
       2  3  2      / 32
2023-01-03 17:29:13 +01:00
Clément Bœsch
320fbf5f24 avfilter/palette{gen,use}: revert support palettes with alpha
This reverts commit dea673d0d5.

This change cannot work for several reasons, the most obvious ones are:

- the alpha is being part of the scoring of the color difference, even
  though we can not interpret the alpha as part of the perception of the
  color (we don't even know if it's premultiplied or postmultiplied)
- the colors are averaged with their alpha value which simply cannot
  work

The command proposed in the original thread of the patch actually
produces a completely broken file:

    ffmpeg -y -loglevel verbose -i fate-suite/apng/o_sample.png -filter_complex "split[split1][split2];[split1]palettegen=max_colors=254:use_alpha=1[pal1];[split2][pal1]paletteuse=use_alpha=1" -frames:v 1 out.png

We can see that many color pixels are off, but more importantly some
colors have a random alpha value: https://imgur.com/eFQ2UK7

I don't see any easy fix for this unfortunately, the approach appears to
be flawed by design.
2023-01-03 17:18:55 +01:00
Paul B Mahol
c94988a781 avfilter/af_afade: add options to control unity/silence gains 2023-01-03 10:25:06 +01:00
Gyan Doshi
d39b34123d avformat/segment: add option min_seg_duration
New option can be used to avoid creating very short segments with inputs
whose GOP size is variable or unharmonic with segment_time.

Only effective with segment_time.
2022-12-29 15:43:40 +05:30
Paul B Mahol
8906145cdf avfilter/af_afir: increase max partition size 2022-12-25 20:39:54 +01:00
Paul B Mahol
3b66757d7d avfilter: add adrc filter 2022-12-19 20:43:58 +01:00
mail@nodoa.me
38b837e0e1 avfilter/vf_decimate: add mixed option to process input only partially to be decimated
Enabling the option will only decimate frames below dupthresh and output at
variable frame rate.
2022-12-19 16:24:25 +01:00
Paul B Mahol
8c75e5fdd3 avfilter/af_afir: improve output when IR switching at runtime
Also improve normalization and add more gtype modes
2022-12-18 19:58:12 +01:00
Derek Buitenhuis
5a46647f00 doc/protocols: Remove IPFS urls to specific content in examples
We shouldn't be providing links to unverified and non-FFmpeg-controlled
content in our documentation.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2022-12-12 21:47:02 +00:00
Derek Buitenhuis
27b5ce2805 doc/protocols: Remove third party server
We do not endorse or recommend specific third party servers or companies
that users' data will be funneled through.

It is also incorrectly describing how FFmpeg currently works.

Should have been part of 412922cc6f but was
missed.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2022-12-12 21:47:02 +00:00
Paul B Mahol
c3e20f78b0 doc/filters: add more advanced and useful afir example 2022-12-11 20:53:26 +01:00
Timo Rothenpieler
7a8d78f7e3 lavc: add new unsafe_output hwaccel_flag 2022-12-10 00:52:33 +01:00
Paul B Mahol
f0f19f3d3d avfilter: add corr video filter 2022-12-08 13:03:42 +01:00
James Almer
d4f853f4ed doc/filters.texi: add documentation for the ts_sync_mode framesync option
Signed-off-by: James Almer <jamrial@gmail.com>
2022-12-07 14:37:11 -03:00
Paul B Mahol
b08e8d520e doc/filters: link framesync options for msad/identity/vif 2022-12-07 12:23:16 +01:00
Paul B Mahol
520111c610 avfilter/vf_thumbnail: allow to change stats log level 2022-12-05 21:08:02 +01:00
Marvin Scholz
4d1c9fa871 doc/examples/metadata: use av_dict_iterate
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-12-01 11:21:14 +01:00
Paul B Mahol
569b1a24cd avfilter/avf_showcwt: add yet another mode variant 2022-11-30 20:08:18 +01:00
Paul B Mahol
7d20635aeb avfilter/avf_showcwt: add frame slide mode 2022-11-30 18:06:42 +01:00
Paul B Mahol
d34c1b389e avfilter: add showcwt multimedia filter 2022-11-28 23:18:03 +01:00
Lynne
e97368eba5
lavu: bump minor and add APIchanges entry for lavu/tx DCT 2022-11-24 15:58:36 +01:00
Anton Khirnov
14c6093528 doc/developer.texi: extend and update naming conventions
Bring it up to date with current practice, as the current text does not
cover everything. Drop the reference to unprefixed exported symbols,
which do not exist anymore.
2022-11-23 10:43:41 +01:00
Anton Khirnov
2d172b89b2 doc/developer.texi: drop a misplaced sentence from code formatting section
It describes a general development policy, not code formatting. It is
also not true, as these days we tend to prioritize correctness, safety,
and completeness over code size.
2022-11-23 10:43:27 +01:00
Anton Khirnov
d95d0b1b72 doc/developer.texi: move editor configuration under formatting
It logically belongs there.
2022-11-23 10:43:22 +01:00
Anton Khirnov
9177556bb9 doc/developer.texi: update the language feature section
It is currently very out of touch with reality.

* declare we are using C99 fully, rather than C90 plus extensions
* mention our use of stdatomic.h
* mention forbidden C99 features, like VLAs and complex numbers
2022-11-23 10:41:06 +01:00
Anton Khirnov
256db01851 doc/developer.texi: move the language feature section higher up
It makes more sense to first describe the language we are using and only
then document how to format code in it, rather than the reverse.
2022-11-23 10:41:01 +01:00
Marton Balint
98f6c59f4f avformat/electronicarts: add option to return alpha channel in the main video stream in VP6A codec
VP6 alpha in EA format is a second VP6 encoded video stream where only the Y
component is used and is interpreted as the alpha channel of the first VP6
stream. The alpha VP6 stream is muxed separately from the main VP6 stream, has
its own stream headers and packet headers. In theory the two streams might not
even have the same resolution (although most likely that is not something that
is seen or supported in the wild), but the format is capable of doing it.

Merged VP6 alpha (also known as the VP6A codec) means that a packet of the
video stream contains the corresponding packet of both VP6 substreams like
this:

{OffsetOfAlpha, DataPacket, AlphaDataPacket}

So data and alpha data of a frame is merged to a single packet, this is how VP6
video with alpha is muxed in FLV and SWF.

The first approach is more like how the demuxer sees data in the EA format,
unfortunately it is different to what the FLV or SWF format expects, so -
having no better place for it in the framework - I decided to do an optional
format conversion in the EA demuxer.

Signed-off-by: Marton Balint <cus@passwd.hu>
2022-11-22 22:59:51 +01:00
Wenbin Chen
efe2b63c89 doc/examples: Add qsv_transcode example
Add qsv_transcode example which shows how to use qsv to do hardware
accelerated transcoding, also show how to dynamically set encoding
parameters.

examples:
Normal usage:
qsv_transcode input.mp4 h264_qsv output.mp4 "g 60"

Dynamic setting usage:
qsv_transcode input.mp4 hevc_qsv output.mp4 "g 60 asyne_depth 1"
100 "g 120"
This command initializes codec with gop_size 60 and change it to
120 after 100 frames

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
2022-11-22 13:52:38 +08:00
Niklas Haas
05d390890a avfilter/vf_libplacebo: default to normalize_sar=0
As a result of a typo in the source code, this option was completely
non-functional. In order to fix it, without breaking the current default
behavior, explicitly change this default to 0.

This behavior is also consistent with how other scale filters behave by
default, so it's probably best to enshrine it anyways.
2022-11-19 14:15:19 +01:00
Paul B Mahol
52291d2ac8 avfilter/af_surround: implement smooth option/support 2022-11-18 21:51:10 +01:00
Paul B Mahol
59b16355ec avfilter/avf_showspatial: switch to lavu TX
Also try harder to make output constant frame rate.
2022-11-17 12:37:22 +01:00
Anton Khirnov
6a3e174ad1 doc/developer.texi: refine the "contributing code" section
Drop the reference to directly committing code, because
- it is highly discouraged and very rarely done these days
- there is no good reason NOT to submit patches for review

Add a link to the development policy chapter.
2022-11-17 10:58:30 +01:00
Anton Khirnov
66871647dc doc/developer.texi: demote the "contributing" chapter to a section
It is very short and its main functions is linking to the
coding rules/submitting patches chapters.
2022-11-17 10:58:20 +01:00
Anton Khirnov
c0c492dd47 doc/developer.texi: extend the argument for submitting patches
Stop talking about commercial programs, since this applies to any
downstream user.
2022-11-17 10:57:37 +01:00
Anton Khirnov
26080d1542 doc/developer.texi: improve the introductory text
Remove confusing references to "external" vs. "internal" developers.
2022-11-17 10:56:48 +01:00
Paul B Mahol
64031c5e65 avfilter/af_surround: add focus option
And improve angle option handling.
2022-11-15 19:52:38 +01:00
Paul B Mahol
8e96319674 avfilter/af_dynaudnorm: add curve option 2022-11-10 19:16:05 +01:00
Paul B Mahol
a0c7c9d636 avfilter/f_ebur128: add quiet framelog mode 2022-11-10 19:15:53 +01:00
Paul B Mahol
7027101904 avfilter/af_speechnorm: implement rms option 2022-11-07 08:32:48 +01:00
Wenbin Chen
dc4d3429e1 libavcodec/qsvenc: Add skip_frame support to qsvenc
Add skip_frame support to qsvenc. Use per-frame metadata
"qsv_skip_frame" to control it. skip_frame option defines the behavior
of qsv_skip_frame.
no_skip: Frame skipping is disabled.
insert_dummy: Encoder inserts into bitstream frame where all macroblocks
are encoded as skipped.
insert_nothing: Similar to insert_dummy, but encoder inserts nothing.
The skipped frames are still used in brc. For example, gop still include
skipped frames, and the frames after skipped frames will be larger in
size.
brc_only: skip_frame metadata indicates the number of missed frames
before the current frame.

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
2022-11-07 10:57:12 +08:00
nyanmisaka
af67f627d1 doc/encoders: add doc of the tier option for hevc_qsv
Signed-off-by: nyanmisaka <nst799610810@gmail.com>
2022-11-07 10:57:12 +08:00
softworkz
e137d197b5 doc/filters.texi: update overlay_vaapi documentation
Signed-off-by: softworkz <softworkz@hotmail.com>
2022-11-07 10:56:44 +08:00
softworkz
00ce6f486b doc/filters.texi: remove incorrect statement
Signed-off-by: softworkz <softworkz@hotmail.com>
2022-11-07 10:56:44 +08:00