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all: fix typos found by codespell

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Timo Rothenpieler 2025-08-01 22:43:23 +02:00
parent 8d439b2483
commit 262d41c804
303 changed files with 482 additions and 481 deletions
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1
Changelog
View file

@ -156,6 +156,7 @@ version 6.1:
variable-fields elements within the same parent element
- ffprobe -output_format option added as an alias of -of
# codespell:off
version 6.0:
- Radiance HDR image support

2
INSTALL.md
View file

@ -24,5 +24,5 @@ NOTICE for Package Maintainers
- It is recommended to build FFmpeg twice, first with minimal external dependencies so
that 3rd party packages, which depend on FFmpegs libavutil/libavfilter/libavcodec/libavformat
can then be built. And last build FFmpeg with full dependancies (which may in turn depend on
can then be built. And last build FFmpeg with full dependencies (which may in turn depend on
some of these 3rd party packages). This avoids circular dependencies during build.

2
compat/solaris/make_sunver.pl
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@ -218,7 +218,7 @@ while (<F>) {
# Lines of the form '} SOME_VERSION_NAME_1.0;'
if (/^[ \t]*\}[ \tA-Z0-9_.a-z]+;[ \t]*$/) {
$glob = 'glob';
# We tried to match symbols agains this version, but none matched.
# We tried to match symbols against this version, but none matched.
# Emit dummy hidden symbol to avoid marking this version WEAK.
if ($matches_attempted && $matched_symbols == 0) {
print " hidden:\n";

10
configure vendored
View file

@ -823,7 +823,7 @@ is_in(){
}
# The cfg loop is very hot (several thousands iterations), and in bash also
# potentialy quite slow. Try to abort the iterations early, preferably without
# potentially quite slow. Try to abort the iterations early, preferably without
# calling functions. 70%+ of the time cfg is already done or without deps.
check_deps(){
for cfg; do
@ -929,7 +929,7 @@ reverse () {
'
}
# keeps the last occurence of each non-unique item
# keeps the last occurrence of each non-unique item
unique(){
unique_out=
eval unique_in=\$$1
@ -4530,7 +4530,7 @@ done
if disabled autodetect; then
# Unless iconv is explicitely disabled by the user, we still want to probe
# Unless iconv is explicitly disabled by the user, we still want to probe
# for the iconv from the libc.
disabled iconv || enable libc_iconv
@ -5142,7 +5142,7 @@ probe_cc(){
disable stripping
elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
# lld can emulate multiple different linkers; in ms link.exe mode,
# the -? parameter gives the help output which contains an identifyable
# the -? parameter gives the help output which contains an identifiable
# string, while it gives an error in other modes.
_type=lld-link
# The link.exe mode doesn't have a switch for getting the version,
@ -7794,7 +7794,7 @@ elif enabled_any msvc icl; then
fi
# msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
# the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
# the new SSA optimizer in VS2015 U3 is mis-optimizing some parts of the code
# Issue has been fixed in MSVC v19.00.24218.
test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
check_cflags -d2SSAOptimizer-

4
doc/APIchanges
View file

@ -613,7 +613,7 @@ API changes, most recent first:
Deprecate AVFrame.palette_has_changed without replacement.
2023-05-15 - 7d1d61cc5f5 - lavc 60 - avcodec.h
Depreate AVCodecContext.ticks_per_frame in favor of
Deprecate AVCodecContext.ticks_per_frame in favor of
AVCodecContext.framerate (encoding) and
AV_CODEC_PROP_FIELDS (decoding).
@ -621,7 +621,7 @@ API changes, most recent first:
Add AV_CODEC_PROP_FIELDS.
2023-05-15 - 8b20d0dcb5c - lavc 60 - codec.h
Depreate AV_CODEC_CAP_SUBFRAMES without replacement.
Deprecate AV_CODEC_CAP_SUBFRAMES without replacement.
2023-05-07 - c2ae8e30b7f - lavc 60.11.100 - codec_par.h
Add AVCodecParameters.framerate.

4
doc/Doxyfile
View file

@ -1093,7 +1093,7 @@ HTML_STYLESHEET =
# cascading style sheets that are included after the standard style sheets
# created by doxygen. Using this option one can overrule certain style aspects.
# This is preferred over using HTML_STYLESHEET since it does not replace the
# standard style sheet and is therefor more robust against future updates.
# standard style sheet and is therefore more robust against future updates.
# Doxygen will copy the style sheet files to the output directory.
# Note: The order of the extra stylesheet files is of importance (e.g. the last
# stylesheet in the list overrules the setting of the previous ones in the
@ -1636,7 +1636,7 @@ EXTRA_PACKAGES =
# Note: Only use a user-defined header if you know what you are doing! The
# following commands have a special meaning inside the header: $title,
# $datetime, $date, $doxygenversion, $projectname, $projectnumber,
# $projectbrief, $projectlogo. Doxygen will replace $title with the empy string,
# $projectbrief, $projectlogo. Doxygen will replace $title with the empty string,
# for the replacement values of the other commands the user is referred to
# HTML_HEADER.
# This tag requires that the tag GENERATE_LATEX is set to YES.

2
doc/community.texi
View file

@ -123,7 +123,7 @@ Internally, the TC should take decisions with a majority, or using ranked-choice
Each TC member must vote on such decision according to what is, in their view, best for the project.
If a TC member feels they are affected by a conflict of interest with regards to the case, they should announce it and recuse themselves from the TC
If a TC member feels they are affected by a conflict of interest with regards to the case, they should announce it and recurse themselves from the TC
discussion and vote.
A conflict of interest is presumed to occur when a TC member has a personal interest (e.g. financial) in a specific outcome of the case.

10
doc/decoders.texi
View file

@ -395,7 +395,7 @@ without this library.
@c man end AUDIO DECODERS
@chapter Subtitles Decoders
@c man begin SUBTILES DECODERS
@c man begin SUBTITLES DECODERS
@section libaribb24
@ -427,7 +427,7 @@ Enabled by default.
Yet another ARIB STD-B24 caption decoder using external @dfn{libaribcaption}
library.
Implements profiles A and C of the Japanse ARIB STD-B24 standard,
Implements profiles A and C of the Japanese ARIB STD-B24 standard,
Brazilian ABNT NBR 15606-1, and Philippines version of ISDB-T.
Requires the presence of the libaribcaption headers and library
@ -477,7 +477,7 @@ Specify comma-separated list of font family names to be used for @dfn{bitmap}
or @dfn{ass} type subtitle rendering.
Only first font name is used for @dfn{ass} type subtitle.
If not specified, use internaly defined default font family.
If not specified, use internally defined default font family.
@item -ass_single_rect @var{boolean}
ARIB STD-B24 specifies that some captions may be displayed at different
@ -495,7 +495,7 @@ default behavior at compilation.
@item -force_outline_text @var{boolean}
Specify whether always render outline text for all characters regardless of
the indication by charactor style.
the indication by character style.
The default is @var{false}.
@ -696,4 +696,4 @@ box and an end box, typically subtitles. Default value is 0 if
@end table
@c man end SUBTILES DECODERS
@c man end SUBTITLES DECODERS

2
doc/demuxers.texi
View file

@ -990,7 +990,7 @@ to 1 (-1 means automatic setting, 1 means enabled, 0 means
disabled). Default value is -1.
@item merge_pmt_versions
Re-use existing streams when a PMT's version is updated and elementary
Reuse existing streams when a PMT's version is updated and elementary
streams move to different PIDs. Default value is 0.
@item max_packet_size

6
doc/developer.texi
View file

@ -546,7 +546,7 @@ FFmpeg also has a defined scope - your new API must fit within it.
@subsubheading Replacing existing APIs
If your new API is replacing an existing one, it should be strictly superior to
it, so that the advantages of using the new API outweight the cost to the
it, so that the advantages of using the new API outweigh the cost to the
callers of changing their code. After adding the new API you should then
deprecate the old one and schedule it for removal, as described in
@ref{Removing interfaces}.
@ -596,7 +596,7 @@ change in @file{doc/APIchanges}.
Backward-incompatible API or ABI changes require incrementing (bumping) the
major version number, as described in @ref{Major version bumps}. Major
bumps are significant events that happen on a schedule - so if your change
strictly requires one you should add it under @code{#if} preprocesor guards that
strictly requires one you should add it under @code{#if} preprocessor guards that
disable it until the next major bump happens.
New APIs that can be added without breaking API or ABI compatibility require
@ -917,7 +917,7 @@ improves readability.
Consider adding a regression test for your code. All new modules
should be covered by tests. That includes demuxers, muxers, decoders, encoders
filters, bitstream filters, parsers. If its not possible to do that, add
an explanation why to your patchset, its ok to not test if theres a reason.
an explanation why to your patchset, its ok to not test if there's a reason.
@item
If you added NASM code please check that things still work with --disable-x86asm.

10
doc/encoders.texi
View file

@ -1038,7 +1038,7 @@ forces a wideband cutoff for bitrates < 15 kbps, unless CELT-only
Set channel mapping family to be used by the encoder. The default value of -1
uses mapping family 0 for mono and stereo inputs, and mapping family 1
otherwise. The default also disables the surround masking and LFE bandwidth
optimzations in libopus, and requires that the input contains 8 channels or
optimizations in libopus, and requires that the input contains 8 channels or
fewer.
Other values include 0 for mono and stereo, 1 for surround sound with masking
@ -3703,7 +3703,7 @@ For encoders set this flag to ON to reduce power consumption and GPU usage.
@end table
@subsection Runtime Options
Following options can be used durning qsv encoding.
Following options can be used during qsv encoding.
@table @option
@item @var{global_quality}
@ -3813,7 +3813,7 @@ improves subjective visual quality. Enabling this flag may have negative impact
on performance and objective visual quality metric.
@item @var{low_delay_brc}
Setting this flag turns on or off LowDelayBRC feautre in qsv plugin, which provides
Setting this flag turns on or off LowDelayBRC feature in qsv plugin, which provides
more accurate bitrate control to minimize the variance of bitstream size frame
by frame. Value: -1-default 0-off 1-on
@ -4012,7 +4012,7 @@ improves subjective visual quality. Enabling this flag may have negative impact
on performance and objective visual quality metric.
@item @var{low_delay_brc}
Setting this flag turns on or off LowDelayBRC feautre in qsv plugin, which provides
Setting this flag turns on or off LowDelayBRC feature in qsv plugin, which provides
more accurate bitrate control to minimize the variance of bitstream size frame
by frame. Value: -1-default 0-off 1-on
@ -4246,7 +4246,7 @@ Extended bitrate control.
Depth of look ahead in number frames, available when extbrc option is enabled.
@item @var{low_delay_brc}
Setting this flag turns on or off LowDelayBRC feautre in qsv plugin, which provides
Setting this flag turns on or off LowDelayBRC feature in qsv plugin, which provides
more accurate bitrate control to minimize the variance of bitstream size frame
by frame. Value: -1-default 0-off 1-on

2
doc/examples/mux.c
View file

@ -418,7 +418,7 @@ static void open_video(AVFormatContext *oc, const AVCodec *codec,
exit(1);
}
/* allocate and init a re-usable frame */
/* allocate and init a reusable frame */
ost->frame = alloc_frame(c->pix_fmt, c->width, c->height);
if (!ost->frame) {
fprintf(stderr, "Could not allocate video frame\n");

6
doc/examples/qsv_transcode.c
View file

@ -101,7 +101,7 @@ static int dynamic_set_parameter(AVCodecContext *avctx)
/* Set codec specific option */
if ((ret = av_opt_set_dict(avctx->priv_data, &opts)) < 0)
goto fail;
/* There is no "framerate" option in commom option list. Use "-r" to set
/* There is no "framerate" option in common option list. Use "-r" to set
* framerate, which is compatible with ffmpeg commandline. The video is
* assumed to be average frame rate, so set time_base to 1/framerate. */
e = av_dict_get(opts, "r", NULL, 0);
@ -180,7 +180,7 @@ static int open_input_file(char *filename)
decoder = avcodec_find_decoder_by_name("mjpeg_qsv");
break;
default:
fprintf(stderr, "Codec is not supportted by qsv\n");
fprintf(stderr, "Codec is not supported by qsv\n");
return AVERROR(EINVAL);
}
@ -289,7 +289,7 @@ static int dec_enc(AVPacket *pkt, const AVCodec *enc_codec, char *optstr)
fprintf(stderr, "Failed to set encoding parameter.\n");
goto fail;
}
/* There is no "framerate" option in commom option list. Use "-r" to
/* There is no "framerate" option in common option list. Use "-r" to
* set framerate, which is compatible with ffmpeg commandline. The
* video is assumed to be average frame rate, so set time_base to
* 1/framerate. */

6
doc/ffmpeg.texi
View file

@ -376,7 +376,7 @@ which they are placed.
These examples can of course be further generalized into arbitrary remappings
of any number of inputs into any number of outputs.
@section Trancoding
@section Transcoding
@emph{Transcoding} is the process of decoding a stream and then encoding it
again. Since encoding tends to be computationally expensive and in most cases
degrades the stream quality (i.e. it is @emph{lossy}), you should only transcode
@ -443,7 +443,7 @@ that simple filtergraphs are tied to their output stream, so e.g. if you have
multiple audio streams, @option{-af} will create a separate filtergraph for each
one.
Taking the trancoding example from above, adding filtering (and omitting audio,
Taking the transcoding example from above, adding filtering (and omitting audio,
for clarity) makes it look like this:
@verbatim
┌──────────┬───────────────┐
@ -1048,7 +1048,7 @@ The following flags are available:
@table @option
@item recon_gain
Wether to signal if recon_gain is present as metadata in parameter blocks within frames
Whether to signal if recon_gain is present as metadata in parameter blocks within frames
@end table
@item output_gain

26
doc/filters.texi
View file

@ -216,7 +216,7 @@ filter input and output pads of all the filterchains are connected.
Leading and trailing whitespaces (space, tabs, or line feeds) separating tokens
in the filtergraph specification are ignored. This means that the filtergraph
can be expressed using empty lines and spaces to improve redability.
can be expressed using empty lines and spaces to improve readability.
For example, the filtergraph:
@example
@ -3383,7 +3383,7 @@ where applicable, an overall figure is also given.
It accepts the following option:
@table @option
@item length
Short window length in seconds, used for peak and trough RMS measurement.
Short window length in seconds, used for peak and through RMS measurement.
Default is @code{0.05} (50 milliseconds). Allowed range is @code{[0 - 10]}.
@item metadata
@ -3544,7 +3544,7 @@ standard RMS level measured in dBFS
@item RMS_peak
@item RMS_trough
peak and trough values for RMS level measured over a short window,
peak and through values for RMS level measured over a short window,
measured in dBFS.
@item Zero crossings
@ -7904,7 +7904,7 @@ Gains are separated by white spaces and each gain is set in dBFS.
Default is @code{0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0}.
@item bands, b
Set the custom bands from where custon equalizer gains are set.
Set the custom bands from where custom equalizer gains are set.
This must be in strictly increasing order. Only used if the preset option is set to @code{custom}.
Bands are separated by white spaces and each band represent frequency in Hz.
Default is @code{25 40 63 100 160 250 400 630 1000 1600 2500 4000 6300 10000 16000 24000}.
@ -9214,7 +9214,7 @@ The default value is @code{all}.
Repack CEA-708 closed captioning side data
This filter fixes various issues seen with commerical encoders
This filter fixes various issues seen with commercial encoders
related to upstream malformed CEA-708 payloads, specifically
incorrect number of tuples (wrong cc_count for the target FPS),
and incorrect ordering of tuples (i.e. the CEA-608 tuples are not at
@ -9357,19 +9357,19 @@ Mostly useful to speed-up filtering.
@item threy
Set Y threshold for averaging chrominance values.
Set finer control for max allowed difference between Y components
of current pixel and neigbour pixels.
of current pixel and neighbour pixels.
Default value is 200. Allowed range is from 1 to 200.
@item threu
Set U threshold for averaging chrominance values.
Set finer control for max allowed difference between U components
of current pixel and neigbour pixels.
of current pixel and neighbour pixels.
Default value is 200. Allowed range is from 1 to 200.
@item threv
Set V threshold for averaging chrominance values.
Set finer control for max allowed difference between V components
of current pixel and neigbour pixels.
of current pixel and neighbour pixels.
Default value is 200. Allowed range is from 1 to 200.
@item distance
@ -9768,7 +9768,7 @@ Accepts a combination of the following flags:
@table @samp
@item color_range
Detect if the source countains luma pixels outside the limited (MPEG) range,
Detect if the source contains luma pixels outside the limited (MPEG) range,
which indicates that this is a full range YUV source.
@item alpha_mode
Detect if the source contains color values above the alpha channel, which
@ -19817,7 +19817,7 @@ To enable the compilation of this filter, you need to configure FFmpeg with
@code{--enable-libqrencode}.
The QR code is generated from the provided text or text pattern. The
corresponding QR code is scaled and overlayed into the video output according to
corresponding QR code is scaled and overlaid into the video output according to
the specified options.
In case no text is specified, no QR code is overlaied.
@ -23146,7 +23146,7 @@ by progressively selecting a different column from each input frame.
The end result is a sort of inverted parallax, so that far away objects move
much faster that the ones in the front. The ideal conditions for this video
effect are when there is either very little motion and the backgroud is static,
effect are when there is either very little motion and the background is static,
or when there is a lot of motion and a very wide depth of field (e.g. wide
panorama, while moving on a train).
@ -23174,7 +23174,7 @@ How many columns should be inserted before end of filtering.
Normally the filter shifts and tilts from the very first frame, and stops when
the last one is received. However, before filtering starts, normal video may
be preseved, so that the effect is slowly shifted in its place. Similarly,
be preserved, so that the effect is slowly shifted in its place. Similarly,
the last video frame may be reconstructed at the end. Alternatively it is
possible to just start and end with black.
@ -25495,7 +25495,7 @@ pixel formats are not RGB.
@item fitmode, fm
Set sample aspect ratio of video output frames.
Can be used to configure waveform so it is not
streched too much in one of directions.
stretched too much in one of directions.
@table @samp
@item none

2
doc/general_contents.texi
View file

@ -162,7 +162,7 @@ Then pass @code{--enable-libmp3lame} to configure to enable it.
@section LCEVCdec
FFmpeg can make use of the liblcevc_dec library for LCEVC enhacement layer
FFmpeg can make use of the liblcevc_dec library for LCEVC enhancement layer
decoding on supported bitstreams.
Go to @url{https://github.com/v-novaltd/LCEVCdec} and follow the instructions

2
doc/indevs.texi
View file

@ -704,7 +704,7 @@ Win32 GDI-based screen capture device.
This device allows you to capture a region of the display on Windows.
Amongst options for the imput filenames are such elements as:
Amongst options for the input filenames are such elements as:
@example
desktop
@end example

10
doc/muxers.texi
View file

@ -319,7 +319,7 @@ This is the same as the @samp{vob} muxer with a few differences.
@table @option
@item muxrate @var{rate}
Set user-defined mux rate expressed as a number of bits/s. If not
specied the automatically computed mux rate is employed. Default value
specified the automatically computed mux rate is employed. Default value
is @code{0}.
@item preload @var{delay}
@ -772,7 +772,7 @@ Force a delay expressed in seconds after the last frame of each
repetition. Default value is @code{0.0}.
@item plays @var{repetitions}
specify how many times to play the content, @code{0} causes an infinte
specify how many times to play the content, @code{0} causes an infinite
loop, with @code{1} there is no loop
@end table
@ -1770,7 +1770,7 @@ for looping indefinitely (default).
@item final_delay @var{delay}
Force the delay (expressed in centiseconds) after the last frame. Each frame
ends with a delay until the next frame. The default is @code{-1}, which is a
special value to tell the muxer to re-use the previous delay. In case of a
special value to tell the muxer to reuse the previous delay. In case of a
loop, you might want to customize this value to mark a pause for instance.
@end table
@ -1856,7 +1856,7 @@ This muxer creates an .f4m (Adobe Flash Media Manifest File) manifest, an .abst
(Adobe Bootstrap File) for each stream, and segment files in a directory
specified as the output.
These needs to be accessed by an HDS player throuhg HTTPS for it to be able to
These needs to be accessed by an HDS player through HTTPS for it to be able to
perform playback on the generated stream.
@subsection Options
@ -2538,7 +2538,7 @@ these applications, audio may be played back on a wide range of devices, e.g.,
headphones, mobile phones, tablets, TVs, sound bars, home theater systems, and
big screens.
This format was promoted and desgined by Alliance for Open Media.
This format was promoted and designed by Alliance for Open Media.
For more information about this format, see @url{https://aomedia.org/iamf/}.

4
doc/protocols.texi
View file

@ -71,7 +71,7 @@ client may also set a user/password for authentication. The default for both
fields is "guest". Name of virtual host on broker can be set with vhost. The
default value is "/".
Muliple subscribers may stream from the broker using the command:
Multiple subscribers may stream from the broker using the command:
@example
ffplay amqp://[[user]:[password]@@]hostname[:port][/vhost]
@end example
@ -607,7 +607,7 @@ The resource requested by a client, when the experimental HTTP server is in use.
The HTTP code returned to the client, when the experimental HTTP server is in use.
@item short_seek_size
Set the threshold, in bytes, for when a readahead should be prefered over a seek and
Set the threshold, in bytes, for when a readahead should be preferred over a seek and
new HTTP request. This is useful, for example, to make sure the same connection
is used for reading large video packets with small audio packets in between.

2
doc/swscale-v2.txt
View file

@ -295,7 +295,7 @@ for improvements:
- op_scale_1110
- op_scale_1111
This reflects the four different arangements of pixel components that are
This reflects the four different arrangements of pixel components that are
typically present (or absent). While best for performance, it does turn into
a bit of a chore when implementing these kernels.

2
ffbuild/library.mak
View file

@ -26,7 +26,7 @@ ifdef CONFIG_SHARED
# for purely shared builds.
# Test programs are always statically linked against their library
# to be able to access their library's internals, even with shared builds.
# Yet linking against dependend libraries still uses dynamic linking.
# Yet linking against dependent libraries still uses dynamic linking.
# This means that we are in the scenario described above.
# In case only static libs are used, the linker will only use
# one of these copies; this depends on the duplicated object files

2
fftools/ffmpeg_dec.c
View file

@ -1594,7 +1594,7 @@ static int dec_open(DecoderPriv *dp, AVDictionary **dec_opts,
if (o->flags & DECODER_FLAG_BITEXACT)
dp->dec_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
// we apply cropping outselves
// we apply cropping ourselves
dp->apply_cropping = dp->dec_ctx->apply_cropping;
dp->dec_ctx->apply_cropping = 0;

4
fftools/ffmpeg_filter.c
View file

@ -2728,7 +2728,7 @@ static void sub2video_heartbeat(InputFilter *ifilter, int64_t pts, AVRational tb
if (pts2 >= ifp->sub2video.end_pts || ifp->sub2video.initialize)
/* if we have hit the end of the current displayed subpicture,
or if we need to initialize the system, update the
overlayed subpicture and its start/end times */
overlaid subpicture and its start/end times */
sub2video_update(ifp, pts2 + 1, NULL);
else
sub2video_push_ref(ifp, pts2);
@ -3141,7 +3141,7 @@ static int filter_thread(void *arg)
goto finish;
read_frames:
// retrieve all newly avalable frames
// retrieve all newly available frames
ret = read_frames(fg, &fgt, fgt.frame);
if (ret == AVERROR_EOF) {
av_log(fg, AV_LOG_VERBOSE, "All consumers returned EOF\n");

2
fftools/ffmpeg_sched.c
View file

@ -1899,7 +1899,7 @@ static int send_to_mux(Scheduler *sch, SchMux *mux, unsigned stream_idx,
update_schedule:
// TODO: use atomics to check whether this changes trailing dts
// to avoid locking unnecesarily
// to avoid locking unnecessarily
if (dts != AV_NOPTS_VALUE || !pkt) {
pthread_mutex_lock(&sch->schedule_lock);

4
fftools/ffmpeg_sched.h
View file

@ -355,7 +355,7 @@ enum DemuxSendFlags {
* @retval "non-negative value" success
* @retval AVERROR_EOF all consumers for the stream are done
* @retval AVERROR_EXIT all consumers are done, should terminate demuxing
* @retval "anoter negative error code" other failure
* @retval "another negative error code" other failure
*/
int sch_demux_send(Scheduler *sch, unsigned demux_idx, struct AVPacket *pkt,
unsigned flags);
@ -436,7 +436,7 @@ void sch_filter_receive_finish(Scheduler *sch, unsigned fg_idx, unsigned in_idx)
*
* @retval "non-negative value" success
* @retval AVERROR_EOF all consumers are done
* @retval "anoter negative error code" other failure
* @retval "another negative error code" other failure
*/
int sch_filter_send(Scheduler *sch, unsigned fg_idx, unsigned out_idx,
struct AVFrame *frame);

2
fftools/ffprobe.c
View file

@ -2381,7 +2381,7 @@ static int open_input_file(InputFile *ifile, const char *filename,
exit(1);
if (do_show_log) {
// For loging it is needed to disable at least frame threads as otherwise
// For logging it is needed to disable at least frame threads as otherwise
// the log information would need to be reordered and matches up to contexts and frames
// That is in fact possible but not trivial
av_dict_set(&codec_opts, "threads", "1", 0);

6
libavcodec/aac/aacdec.c
View file

@ -395,8 +395,8 @@ static uint64_t sniff_channel_order(uint8_t (*layout_map)[3], int tags)
FFSWAP(struct elem_to_channel, e2c_vec[6], e2c_vec[4]); // FLc & FRc fifth (final), SiL & SiR seventh
FFSWAP(struct elem_to_channel, e2c_vec[7], e2c_vec[6]); // LFE2 seventh (final), SiL & SiR eight (final)
FFSWAP(struct elem_to_channel, e2c_vec[9], e2c_vec[8]); // TpFL & TpFR ninth (final), TFC tenth (final)
FFSWAP(struct elem_to_channel, e2c_vec[11], e2c_vec[10]); // TC eleventh (final), TpSiL & TpSiR twelth
FFSWAP(struct elem_to_channel, e2c_vec[12], e2c_vec[11]); // TpBL & TpBR twelth (final), TpSiL & TpSiR thirteenth (final)
FFSWAP(struct elem_to_channel, e2c_vec[11], e2c_vec[10]); // TC eleventh (final), TpSiL & TpSiR twelfth
FFSWAP(struct elem_to_channel, e2c_vec[12], e2c_vec[11]); // TpBL & TpBR twelfth (final), TpSiL & TpSiR thirteenth (final)
} else {
// For everything else, utilize the AV channel position define as a
// stable sort.
@ -1728,7 +1728,7 @@ int ff_aac_decode_ics(AACDecContext *ac, SingleChannelElement *sce,
}
}
// I see no textual basis in the spec for this occurring after SSR gain
// control, but this is what both reference and real implmentations do
// control, but this is what both reference and real implementations do
if (tns->present && er_syntax) {
ret = ff_aac_decode_tns(ac, tns, gb, ics);
if (ret < 0)

8
libavcodec/aaccoder_twoloop.h
View file

@ -311,14 +311,14 @@ static void search_for_quantizers_twoloop(AVCodecContext *avctx,
/**
* Scale uplims to match rate distortion to quality
* bu applying noisy band depriorization and tonal band priorization.
* bu applying noisy band depriorization and tonal band prioritization.
* Maxval-energy ratio gives us an idea of how noisy/tonal the band is.
* If maxval^2 ~ energy, then that band is mostly noise, and we can relax
* rate distortion requirements.
*/
memcpy(euplims, uplims, sizeof(euplims));
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
/** psy already priorizes transients to some extent */
/** psy already prioritizes transients to some extent */
float de_psy_factor = (sce->ics.num_windows > 1) ? 8.0f / sce->ics.group_len[w] : 1.0f;
start = w*128;
for (g = 0; g < sce->ics.num_swb; g++) {
@ -331,7 +331,7 @@ static void search_for_quantizers_twoloop(AVCodecContext *avctx,
nzslope * cleanup_factor);
energy2uplim *= de_psy_factor;
if (!(avctx->flags & AV_CODEC_FLAG_QSCALE)) {
/** In ABR, we need to priorize less and let rate control do its thing */
/** In ABR, we need to prioritize less and let rate control do its thing */
energy2uplim = sqrtf(energy2uplim);
}
energy2uplim = FFMAX(0.015625f, FFMIN(1.0f, energy2uplim));
@ -345,7 +345,7 @@ static void search_for_quantizers_twoloop(AVCodecContext *avctx,
2.0f);
energy2uplim *= de_psy_factor;
if (!(avctx->flags & AV_CODEC_FLAG_QSCALE)) {
/** In ABR, we need to priorize less and let rate control do its thing */
/** In ABR, we need to prioritize less and let rate control do its thing */
energy2uplim = sqrtf(energy2uplim);
}
energy2uplim = FFMAX(0.015625f, FFMIN(1.0f, energy2uplim));

2
libavcodec/aacpsy.c
View file

@ -168,7 +168,7 @@ typedef struct AacPsyContext{
* LAME psy model preset struct
*/
typedef struct PsyLamePreset {
int quality; ///< Quality to map the rest of the vaules to.
int quality; ///< Quality to map the rest of the values to.
/* This is overloaded to be both kbps per channel in ABR mode, and
* requested quality in constant quality mode.
*/

2
libavcodec/aacsbr_template.c
View file

@ -59,7 +59,7 @@ static void sbr_turnoff(SpectralBandReplication *sbr) {
sbr->start = 0;
sbr->usac = 0;
sbr->ready_for_dequant = 0;
// Init defults used in pure upsampling mode
// Init defaults used in pure upsampling mode
sbr->kx[1] = 32; //Typo in spec, kx' inits to 32
sbr->m[1] = 0;
// Reset values for first SBR header

10
libavcodec/aarch64/me_cmp_neon.S
View file

@ -534,7 +534,7 @@ function ff_pix_abs16_y2_neon, export=1
ld1 {v2.16b}, [x2], x3 // Load pix3 for first iteration
ld1 {v0.16b}, [x1], x3 // Load pix1 for first iteration
urhadd v30.16b, v1.16b, v2.16b // Rounding halving add, first iteration
ld1 {v5.16b}, [x2], x3 // Load pix3 for second iteartion
ld1 {v5.16b}, [x2], x3 // Load pix3 for second iteration
uabal v29.8h, v0.8b, v30.8b // Absolute difference of lower half, first iteration
uabal2 v28.8h, v0.16b, v30.16b // Absolute difference of upper half, first iteration
ld1 {v3.16b}, [x1], x3 // Load pix1 for second iteration
@ -606,7 +606,7 @@ function sse16_neon, export=1
uabd v27.16b, v2.16b, v3.16b // Absolute difference, second iteration
uadalp v17.4s, v29.8h // Pairwise add, first iteration
ld1 {v4.16b}, [x1], x3 // Load pix1 for third iteration
umull v26.8h, v27.8b, v27.8b // Mulitply lower half, second iteration
umull v26.8h, v27.8b, v27.8b // Multiply lower half, second iteration
umull2 v25.8h, v27.16b, v27.16b // Multiply upper half, second iteration
ld1 {v5.16b}, [x2], x3 // Load pix2 for third iteration
uadalp v17.4s, v26.8h // Pairwise add and accumulate, second iteration
@ -616,7 +616,7 @@ function sse16_neon, export=1
umull v23.8h, v24.8b, v24.8b // Multiply lower half, third iteration
umull2 v22.8h, v24.16b, v24.16b // Multiply upper half, third iteration
uadalp v17.4s, v23.8h // Pairwise add and accumulate, third iteration
ld1 {v7.16b}, [x2], x3 // Load pix2 for fouth iteration
ld1 {v7.16b}, [x2], x3 // Load pix2 for fourth iteration
uadalp v17.4s, v22.8h // Pairwise add and accumulate, third iteration
uabd v21.16b, v6.16b, v7.16b // Absolute difference, fourth iteration
uadalp v17.4s, v28.8h // Pairwise add and accumulate, first iteration
@ -748,7 +748,7 @@ function sse4_neon, export=1
uabdl v28.8h, v4.8b, v5.8b // Absolute difference, third iteration
umlal v16.4s, v29.4h, v29.4h // Multiply and accumulate, second iteration
sub w4, w4, #4
uabdl v27.8h, v6.8b, v7.8b // Absolue difference, fourth iteration
uabdl v27.8h, v6.8b, v7.8b // Absolute difference, fourth iteration
umlal v16.4s, v28.4h, v28.4h // Multiply and accumulate, third iteration
cmp w4, #4
umlal v16.4s, v27.4h, v27.4h // Multiply and accumulate, fourth iteration
@ -1593,7 +1593,7 @@ function sse16_neon_dotprod, export=1
uabd v24.16b, v4.16b, v5.16b // Absolute difference, third iteration
ld1 {v6.16b}, [x1], x3 // Load pix1 for fourth iteration
udot v17.4s, v24.16b, v24.16b
ld1 {v7.16b}, [x2], x3 // Load pix2 for fouth iteration
ld1 {v7.16b}, [x2], x3 // Load pix2 for fourth iteration
uabd v21.16b, v6.16b, v7.16b // Absolute difference, fourth iteration
sub w4, w4, #4 // h -= 4
udot v17.4s, v21.16b, v21.16b

4
libavcodec/alsdec.c
View file

@ -224,7 +224,7 @@ typedef struct ALSDecContext {
int32_t *quant_cof_buffer; ///< contains all quantized parcor coefficients
int32_t **lpc_cof; ///< coefficients of the direct form prediction filter for a channel
int32_t *lpc_cof_buffer; ///< contains all coefficients of the direct form prediction filter
int32_t *lpc_cof_reversed_buffer; ///< temporary buffer to set up a reversed versio of lpc_cof_buffer
int32_t *lpc_cof_reversed_buffer; ///< temporary buffer to set up a reversed version of lpc_cof_buffer
ALSChannelData **chan_data; ///< channel data for multi-channel correlation
ALSChannelData *chan_data_buffer; ///< contains channel data for all channels
int *reverted_channels; ///< stores a flag for each reverted channel
@ -1558,7 +1558,7 @@ static int read_diff_float_data(ALSDecContext *ctx, unsigned int ra_frame) {
if (highest_byte) {
for (i = 0; i < frame_length; ++i) {
if (ctx->raw_samples[c][i] != 0) {
//The following logic is taken from Tabel 14.45 and 14.46 from the ISO spec
//The following logic is taken from Table 14.45 and 14.46 from the ISO spec
if (av_cmp_sf_ieee754(acf[c], FLOAT_1)) {
nbits[i] = 23 - av_log2(abs(ctx->raw_samples[c][i]));
} else {

2
libavcodec/amfdec.c
View file

@ -656,7 +656,7 @@ static int amf_decode_frame(AVCodecContext *avctx, struct AVFrame *frame)
}else
return AVERROR_EOF;
} else {
av_log(avctx, AV_LOG_ERROR, "Unkown result from QueryOutput %d\n", res);
av_log(avctx, AV_LOG_ERROR, "Unknown result from QueryOutput %d\n", res);
}
return got_frame ? 0 : AVERROR(EAGAIN);
}

26
libavcodec/amfenc_av1.c
View file

@ -32,11 +32,11 @@ static const AVOption options[] = {
{ "usage", "Set the encoding usage", OFFSET(usage), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, .unit = "usage" },
{ "transcoding", "Generic Transcoding", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING }, 0, 0, VE, .unit = "usage" },
{ "ultralowlatency", "ultra low latency trancoding", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_ULTRA_LOW_LATENCY }, 0, 0, VE, .unit = "usage" },
{ "ultralowlatency", "ultra low latency transcoding", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_ULTRA_LOW_LATENCY }, 0, 0, VE, .unit = "usage" },
{ "lowlatency", "Low latency usecase", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY }, 0, 0, VE, .unit = "usage" },
{ "webcam", "Webcam", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_WEBCAM }, 0, 0, VE, .unit = "usage" },
{ "high_quality", "high quality trancoding", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_HIGH_QUALITY }, 0, 0, VE, .unit = "usage" },
{ "lowlatency_high_quality","low latency yet high quality trancoding", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY_HIGH_QUALITY }, 0, 0, VE, .unit = "usage" },
{ "high_quality", "high quality transcoding", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_HIGH_QUALITY }, 0, 0, VE, .unit = "usage" },
{ "lowlatency_high_quality","low latency yet high quality transcoding", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY_HIGH_QUALITY }, 0, 0, VE, .unit = "usage" },
{ "bitdepth", "Set color bit deph", OFFSET(bit_depth), AV_OPT_TYPE_INT, {.i64 = AMF_COLOR_BIT_DEPTH_UNDEFINED }, AMF_COLOR_BIT_DEPTH_UNDEFINED, AMF_COLOR_BIT_DEPTH_10, VE, .unit = "bitdepth" },
{ "8", "8 bit", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_COLOR_BIT_DEPTH_8 }, 0, 0, VE, .unit = "bitdepth" },
@ -88,7 +88,7 @@ static const AVOption options[] = {
{ "rc", "Set the rate control mode", OFFSET(rate_control_mode), AV_OPT_TYPE_INT, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, .unit = "rc" },
{ "cqp", "Constant Quantization Parameter", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CONSTANT_QP }, 0, 0, VE, .unit = "rc" },
{ "vbr_latency", "Latency Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_peak", "Peak Contrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_peak", "Peak Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "cbr", "Constant Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR }, 0, 0, VE, .unit = "rc" },
{ "qvbr", "Quality Variable Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_QUALITY_VBR }, 0, 0, VE, .unit = "rc" },
{ "hqvbr", "High Quality Variable Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_HIGH_QUALITY_VBR }, 0, 0, VE, .unit = "rc" },
@ -148,16 +148,16 @@ static const AVOption options[] = {
{ "pa_scene_change_detection_enable", "Enable scene change detection", OFFSET(pa_scene_change_detection), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_scene_change_detection_sensitivity", "Set the sensitivity of scene change detection", OFFSET(pa_scene_change_detection_sensitivity), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH, VE, .unit = "scene_change_sensitivity" },
{ "low", "low scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "medium", "medium scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "high", "high scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "low", "low scene change detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "medium", "medium scene change detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "high", "high scene change detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "pa_static_scene_detection_enable", "Enable static scene detection", OFFSET(pa_static_scene_detection), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_static_scene_detection_sensitivity", "Set the sensitivity of static scene detection", OFFSET(pa_static_scene_detection_sensitivity), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH, VE , .unit = "static_scene_sensitivity" },
{ "low", "low static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "medium", "medium static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "high", "high static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "low", "low static scene detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "medium", "medium static scene detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "high", "high static scene detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "pa_initial_qp_after_scene_change", "The QP value that is used immediately after a scene change", OFFSET(pa_initial_qp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 51, VE },
{ "pa_max_qp_before_force_skip", "The QP threshold to allow a skip frame", OFFSET(pa_max_qp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 51, VE },
@ -267,7 +267,7 @@ static av_cold int amf_encode_init_av1(AVCodecContext* avctx)
// Color Transfer Characteristics (AMF matches ISO/IEC)
if(avctx->color_primaries != AVCOL_PRI_UNSPECIFIED && (pix_fmt == AV_PIX_FMT_NV12 || pix_fmt == AV_PIX_FMT_P010)){
// if input is YUV, color_primaries are for VUI only
// AMF VCN color coversion supports only specifc output primaries BT2020 for 10-bit and BT709 for 8-bit
// AMF VCN color conversion supports only specific output primaries BT2020 for 10-bit and BT709 for 8-bit
// vpp_amf supports more
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_OUTPUT_TRANSFER_CHARACTERISTIC, avctx->color_trc);
}
@ -275,7 +275,7 @@ static av_cold int amf_encode_init_av1(AVCodecContext* avctx)
// Color Primaries (AMF matches ISO/IEC)
if(avctx->color_primaries != AVCOL_PRI_UNSPECIFIED || pix_fmt == AV_PIX_FMT_NV12 || pix_fmt == AV_PIX_FMT_P010 )
{
// AMF VCN color coversion supports only specifc primaries BT2020 for 10-bit and BT709 for 8-bit
// AMF VCN color conversion supports only specific primaries BT2020 for 10-bit and BT709 for 8-bit
// vpp_amf supports more
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_OUTPUT_COLOR_PRIMARIES, avctx->color_primaries);
}
@ -657,7 +657,7 @@ static av_cold int amf_encode_init_av1(AVCodecContext* avctx)
buffer->pVtbl->Release(buffer);
var.pInterface->pVtbl->Release(var.pInterface);
//processing crop informaiton according to alignment
//processing crop information according to alignment
if (ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_AV1_CAP_WIDTH_ALIGNMENT_FACTOR_LOCAL, &var) != AMF_OK)
// assume older driver and Navi3x
width_alignment_factor = 64;

14
libavcodec/amfenc_h264.c
View file

@ -82,7 +82,7 @@ static const AVOption options[] = {
{ "rc", "Rate Control Method", OFFSET(rate_control_mode), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, .unit = "rc" },
{ "cqp", "Constant Quantization Parameter", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP }, 0, 0, VE, .unit = "rc" },
{ "cbr", "Constant Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_peak", "Peak Contrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_peak", "Peak Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_latency", "Latency Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "qvbr", "Quality Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_QUALITY_VBR }, 0, 0, VE, .unit = "rc" },
{ "hqvbr", "High Quality Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_HIGH_QUALITY_VBR }, 0, 0, VE, .unit = "rc" },
@ -151,16 +151,16 @@ static const AVOption options[] = {
{ "pa_scene_change_detection_enable", "Enable scene change detection", OFFSET(pa_scene_change_detection), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_scene_change_detection_sensitivity", "Set the sensitivity of scene change detection", OFFSET(pa_scene_change_detection_sensitivity), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH, VE, .unit = "scene_change_sensitivity" },
{ "low", "low scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "medium", "medium scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "high", "high scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "low", "low scene change detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "medium", "medium scene change detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "high", "high scene change detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "pa_static_scene_detection_enable", "Enable static scene detection", OFFSET(pa_static_scene_detection), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_static_scene_detection_sensitivity", "Set the sensitivity of static scene detection", OFFSET(pa_static_scene_detection_sensitivity), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH, VE , .unit = "static_scene_sensitivity" },
{ "low", "low static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "medium", "medium static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "high", "high static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "low", "low static scene detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "medium", "medium static scene detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "high", "high static scene detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "pa_initial_qp_after_scene_change", "The QP value that is used immediately after a scene change", OFFSET(pa_initial_qp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 51, VE },
{ "pa_max_qp_before_force_skip", "The QP threshold to allow a skip frame", OFFSET(pa_max_qp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 51, VE },

18
libavcodec/amfenc_hevc.c
View file

@ -74,7 +74,7 @@ static const AVOption options[] = {
{ "rc", "Set the rate control mode", OFFSET(rate_control_mode), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, .unit = "rc" },
{ "cqp", "Constant Quantization Parameter", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CONSTANT_QP }, 0, 0, VE, .unit = "rc" },
{ "cbr", "Constant Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_peak", "Peak Contrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_peak", "Peak Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "vbr_latency", "Latency Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
{ "qvbr", "Quality Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_QUALITY_VBR }, 0, 0, VE, .unit = "rc" },
{ "hqvbr", "High Quality Variable Bitrate", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_HIGH_QUALITY_VBR }, 0, 0, VE, .unit = "rc" },
@ -121,16 +121,16 @@ static const AVOption options[] = {
{ "pa_scene_change_detection_enable", "Enable scene change detection", OFFSET(pa_scene_change_detection), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_scene_change_detection_sensitivity", "Set the sensitivity of scene change detection", OFFSET(pa_scene_change_detection_sensitivity), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH, VE, .unit = "scene_change_sensitivity" },
{ "low", "low scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "medium", "medium scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "high", "high scene change dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "low", "low scene change detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "medium", "medium scene change detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "high", "high scene change detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "scene_change_sensitivity" },
{ "pa_static_scene_detection_enable", "Enable static scene detection", OFFSET(pa_static_scene_detection), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
{ "pa_static_scene_detection_sensitivity", "Set the sensitivity of static scene detection", OFFSET(pa_static_scene_detection_sensitivity), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH, VE , .unit = "static_scene_sensitivity" },
{ "low", "low static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "medium", "medium static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "high", "high static scene dectection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "low", "low static scene detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_LOW }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "medium", "medium static scene detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "high", "high static scene detection sensitivity", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH }, 0, 0, VE, .unit = "static_scene_sensitivity" },
{ "pa_initial_qp_after_scene_change", "The QP value that is used immediately after a scene change", OFFSET(pa_initial_qp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 51, VE },
{ "pa_max_qp_before_force_skip", "The QP threshold to allow a skip frame", OFFSET(pa_max_qp), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, 51, VE },
@ -261,7 +261,7 @@ static av_cold int amf_encode_init_hevc(AVCodecContext *avctx)
// Color Transfer Characteristics (AMF matches ISO/IEC)
if(avctx->color_trc != AVCOL_TRC_UNSPECIFIED && (pix_fmt == AV_PIX_FMT_NV12 || pix_fmt == AV_PIX_FMT_P010)){
// if input is YUV, color_trc is for VUI only - any value
// AMF VCN color coversion supports only specifc output transfer characterstic SMPTE2084 for 10-bit and BT709 for 8-bit
// AMF VCN color conversion supports only specific output transfer characteristic SMPTE2084 for 10-bit and BT709 for 8-bit
// vpp_amf supports more
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_OUTPUT_TRANSFER_CHARACTERISTIC, avctx->color_trc);
}
@ -269,7 +269,7 @@ static av_cold int amf_encode_init_hevc(AVCodecContext *avctx)
// Color Primaries (AMF matches ISO/IEC)
if(avctx->color_primaries != AVCOL_PRI_UNSPECIFIED && (pix_fmt == AV_PIX_FMT_NV12 || pix_fmt == AV_PIX_FMT_P010)){
// if input is YUV, color_primaries are for VUI only
// AMF VCN color coversion supports only specifc output primaries BT2020 for 10-bit and BT709 for 8-bit
// AMF VCN color conversion supports only specific output primaries BT2020 for 10-bit and BT709 for 8-bit
// vpp_amf supports more
AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_OUTPUT_COLOR_PRIMARIES, avctx->color_primaries);
}

2
libavcodec/aptx.h
View file

@ -108,7 +108,7 @@ typedef const struct {
extern ConstTables ff_aptx_quant_tables[2][NB_SUBBANDS];
/* Rounded right shift with optionnal clipping */
/* Rounded right shift with optional clipping */
#define RSHIFT_SIZE(size) \
av_always_inline \
static int##size##_t rshift##size(int##size##_t value, int shift) \

2
libavcodec/arm/hevcdsp_idct_neon.S
View file

@ -783,7 +783,7 @@ endfunc
transpose8_4x4 d29, d3, d21, d23
store16 d22, d23, d20, d21, d2, d3, d28, d29, r8
@ reload multiplication coefficiens to q1
@ reload multiplication coefficients to q1
vld1.s16 {q1}, [r9, :128]
.endm

2
libavcodec/arm/hevcdsp_sao_neon.S
View file

@ -100,7 +100,7 @@ function ff_hevc_sao_edge_filter_neon_8, export=1
mov r12, r4 // r12 = height
mov r6, r0 // r6 = r0 = dst
mov r7, r1 // r7 = r1 = src
vld1.8 {d0}, [r11] // edge_idx tabel load in d0 5x8bit
vld1.8 {d0}, [r11] // edge_idx table load in d0 5x8bit
vld1.16 {q1}, [r10] // sao_offset_val table load in q1, 5x16bit
vmov.u8 d1, #2
vmov.u16 q2, #1

2
libavcodec/ass_split.c
View file

@ -1,5 +1,5 @@
/*
* SSA/ASS spliting functions
* SSA/ASS splitting functions
* Copyright (c) 2010 Aurelien Jacobs <aurel@gnuage.org>
*
* This file is part of FFmpeg.

2
libavcodec/ass_split.h
View file

@ -1,5 +1,5 @@
/*
* SSA/ASS spliting functions
* SSA/ASS splitting functions
* Copyright (c) 2010 Aurelien Jacobs <aurel@gnuage.org>
*
* This file is part of FFmpeg.

2
libavcodec/atrac3plusdsp.c
View file

@ -114,7 +114,7 @@ av_cold void ff_atrac3p_init_dsp_static(void)
* @param[in] fdsp ptr to floating-point DSP context
* @param[in] invert_phase flag indicating 180° phase shift
* @param[in] reg_offset region offset for trimming envelope data
* @param[out] out receives sythesized data
* @param[out] out receives synthesized data
*/
static void waves_synth(Atrac3pWaveSynthParams *synth_param,
Atrac3pWavesData *waves_info,

8
libavcodec/atrac9dec.c
View file

@ -80,7 +80,7 @@ typedef struct ATRAC9BlockData {
int cpe_base_channel;
int is_signs[30];
int reuseable;
int reusable;
} ATRAC9BlockData;
@ -689,7 +689,7 @@ static int atrac9_decode_block(ATRAC9Context *s, GetBitContext *gb,
if (!reuse_params) {
int stereo_band, ext_band;
const int min_band_count = s->samplerate_idx > 7 ? 1 : 3;
b->reuseable = 0;
b->reusable = 0;
b->band_count = get_bits(gb, 4) + min_band_count;
b->q_unit_cnt = at9_tab_band_q_unit_map[b->band_count];
@ -721,9 +721,9 @@ static int atrac9_decode_block(ATRAC9Context *s, GetBitContext *gb,
}
b->band_ext_q_unit = at9_tab_band_q_unit_map[ext_band];
}
b->reuseable = 1;
b->reusable = 1;
}
if (!b->reuseable) {
if (!b->reusable) {
av_log(s->avctx, AV_LOG_ERROR, "invalid block reused!\n");
return AVERROR_INVALIDDATA;
}

4
libavcodec/avcodec.h
View file

@ -225,7 +225,7 @@ typedef struct RcOverride{
#define AV_CODEC_FLAG_QPEL (1 << 4)
/**
* Request the encoder to output reconstructed frames, i.e.\ frames that would
* be produced by decoding the encoded bistream. These frames may be retrieved
* be produced by decoding the encoded bitstream. These frames may be retrieved
* by calling avcodec_receive_frame() immediately after a successful call to
* avcodec_receive_packet().
*
@ -2900,7 +2900,7 @@ int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
*
* @note for encoders, this function will only do something if the encoder
* declares support for AV_CODEC_CAP_ENCODER_FLUSH. When called, the encoder
* will drain any remaining packets, and can then be re-used for a different
* will drain any remaining packets, and can then be reused for a different
* stream (as opposed to sending a null frame which will leave the encoder
* in a permanent EOF state after draining). This can be desirable if the
* cost of tearing down and replacing the encoder instance is high.

2
libavcodec/bsf/h266_metadata.c
View file

@ -80,7 +80,7 @@ static int h266_metadata_update_fragment(AVBSFContext *bsf, AVPacket *pkt,
}
}
if (!ph) {
av_log(bsf, AV_LOG_ERROR, "no avaliable picture header");
av_log(bsf, AV_LOG_ERROR, "no available picture header");
return AVERROR_INVALIDDATA;
}

2
libavcodec/cavsdec.c
View file

@ -1184,7 +1184,7 @@ static int decode_seq_header(AVSContext *h)
h->profile = get_bits(&h->gb, 8);
if (h->profile != 0x20) {
avpriv_report_missing_feature(h->avctx,
"only supprt JiZhun profile");
"only support JiZhun profile");
return AVERROR_PATCHWELCOME;
}
h->level = get_bits(&h->gb, 8);

2
libavcodec/cbs.h
View file

@ -516,7 +516,7 @@ enum CbsDiscardFlags {
};
/**
* Discard units accroding to 'skip'.
* Discard units according to 'skip'.
*/
void CBS_FUNC(discard_units)(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,

2
libavcodec/cbs_h266_syntax_template.c
View file

@ -1725,7 +1725,7 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
current->pps_pic_height_in_luma_samples !=
sps->sps_pic_height_max_in_luma_samples)) {
av_log(ctx->log_ctx, AV_LOG_ERROR,
"Resoltuion change is not allowed, "
"Resolution change is not allowed, "
"in max resolution (%ux%u) mismatched with pps(%ux%u).\n",
sps->sps_pic_width_max_in_luma_samples,
sps->sps_pic_height_max_in_luma_samples,

4
libavcodec/cbs_internal.h
View file

@ -273,7 +273,7 @@ int CBS_FUNC(write_signed)(CodedBitstreamContext *ctx, PutBitContext *pbc,
} while (0)
// End of a syntax element which is made up of subelements which
// are aleady traced, so we are only showing the value.
// are already traced, so we are only showing the value.
#define CBS_TRACE_READ_END_VALUE_ONLY() \
do { \
if (ctx->trace_enable) { \
@ -310,7 +310,7 @@ int CBS_FUNC(write_signed)(CodedBitstreamContext *ctx, PutBitContext *pbc,
} while (0)
// End of a syntax element which is made up of subelements which are
// aleady traced, so we are only showing the value. This forges a
// already traced, so we are only showing the value. This forges a
// PutBitContext to point to the position of the start of the syntax
// element, but the other state doesn't matter because length is zero.
#define CBS_TRACE_WRITE_END_VALUE_ONLY() \

2
libavcodec/ccaption_dec.c
View file

@ -814,7 +814,7 @@ static int process_cc608(CCaptionSubContext *ctx, uint8_t hi, uint8_t lo)
break;
case 0x2e:
/* erase buffered (non displayed) memory */
// Only in realtime mode. In buffered mode, we re-use the inactive screen
// Only in realtime mode. In buffered mode, we reuse the inactive screen
// for our own buffering.
if (ctx->real_time) {
struct Screen *screen = ctx->screen + !ctx->active_screen;

2
libavcodec/codec_par.h
View file

@ -148,7 +148,7 @@ typedef struct AVCodecParameters {
* durations. Should be set to { 0, 1 } when some frames have differing
* durations or if the value is not known.
*
* @note This field correponds to values that are stored in codec-level
* @note This field corresponds to values that are stored in codec-level
* headers and is typically overridden by container/transport-layer
* timestamps, when available. It should thus be used only as a last resort,
* when no higher-level timing information is available.

4
libavcodec/dca_xll.c
View file

@ -311,7 +311,7 @@ static int chs_parse_header(DCAXllDecoder *s, DCAXllChSet *c, DCAExssAsset *asse
b->highest_pred_order = b->adapt_pred_order[i];
}
if (b->highest_pred_order > s->nsegsamples) {
av_log(s->avctx, AV_LOG_ERROR, "Invalid XLL adaptive predicition order\n");
av_log(s->avctx, AV_LOG_ERROR, "Invalid XLL adaptive prediction order\n");
return AVERROR_INVALIDDATA;
}
@ -666,7 +666,7 @@ static void chs_filter_band_data(DCAXllDecoder *s, DCAXllChSet *c, int band)
}
}
// Inverse pairwise channel decorrellation
// Inverse pairwise channel decorrelation
if (b->decor_enabled) {
int32_t *tmp[DCA_XLL_CHANNELS_MAX];

2
libavcodec/dcaenc.c
View file

@ -854,7 +854,7 @@ static int init_quantization_noise(DCAEncContext *c, int noise, int forbid_zero)
if (c->lfe_channel)
c->consumed_bits += 72;
/* attempt to guess the bit distribution based on the prevoius frame */
/* attempt to guess the bit distribution based on the previous frame */
for (ch = 0; ch < c->fullband_channels; ch++) {
for (band = 0; band < 32; band++) {
int snr_cb = c->peak_cb[ch][band] - c->band_masking_cb[band] - noise;

2
libavcodec/diracdec.c
View file

@ -826,7 +826,7 @@ static int subband_coeffs(const DiracContext *s, int x, int y, int p,
int level, coef = 0;
for (level = 0; level < s->wavelet_depth; level++) {
SliceCoeffs *o = &c[level];
const SubBand *b = &s->plane[p].band[level][3]; /* orientation doens't matter */
const SubBand *b = &s->plane[p].band[level][3]; /* orientation doesn't matter */
o->top = b->height * y / s->num_y;
o->left = b->width * x / s->num_x;
o->tot_h = ((b->width * (x + 1)) / s->num_x) - o->left;

2
libavcodec/dovi_rpudec.c
View file

@ -365,7 +365,7 @@ int ff_dovi_rpu_parse(DOVIContext *s, const uint8_t *rpu, size_t rpu_size,
/* Container */
if (s->cfg.dv_profile == 10 /* dav1.10 */) {
/* DV inside AV1 re-uses an EMDF container skeleton, but with fixed
/* DV inside AV1 reuses an EMDF container skeleton, but with fixed
* values - so we can effectively treat this as a magic byte sequence.
*
* The exact fields are, as follows:

2
libavcodec/dovi_rpuenc.c
View file

@ -300,7 +300,7 @@ static int cmp_dm_level0(const AVDOVIColorMetadata *dm1,
sizeof(AVDOVIColorMetadata) -offsetof(AVDOVIColorMetadata, signal_eotf));
}
/* Tries to re-use the static ext blocks. May reorder `ext->dm_static` */
/* Tries to reuse the static ext blocks. May reorder `ext->dm_static` */
static int try_reuse_ext(DOVIExt *ext, const AVDOVIMetadata *metadata)
{
int i, j, idx = 0;

2
libavcodec/evc.h
View file

@ -56,7 +56,7 @@ enum EVCNALUnitType {
EVC_RSV_VCL_NUT22 = 22,
EVC_RSV_VCL_NUT23 = 23,
EVC_SPS_NUT = 24, /* Sequence parameter set */
EVC_PPS_NUT = 25, /* Picture paremeter set */
EVC_PPS_NUT = 25, /* Picture parameter set */
EVC_APS_NUT = 26, /* Adaptation parameter set */
EVC_FD_NUT = 27, /* Filler data */
EVC_SEI_NUT = 28, /* Supplemental enhancement information */

2
libavcodec/evc_parse.h
View file

@ -31,7 +31,7 @@
#include "evc.h"
#include "evc_ps.h"
// The sturcture reflects Slice Header RBSP(raw byte sequence payload) layout
// The structure reflects Slice Header RBSP(raw byte sequence payload) layout
// @see ISO_IEC_23094-1 section 7.3.2.6
//
// The following descriptors specify the parsing process of each element

2
libavcodec/evc_ps.h
View file

@ -102,7 +102,7 @@ typedef struct VUIParameters {
HRDParameters hrd_parameters;
} VUIParameters;
// The sturcture reflects SPS RBSP(raw byte sequence payload) layout
// The structure reflects SPS RBSP(raw byte sequence payload) layout
// @see ISO_IEC_23094-1 section 7.3.2.1
//
// The following descriptors specify the parsing process of each element

2
libavcodec/evrcdec.c
View file

@ -182,7 +182,7 @@ static evrc_packet_rate buf_size2bitrate(const int buf_size)
*
* @param avctx the AV codec context
* @param buf_size length of the buffer
* @param buf the bufffer
* @param buf the buffer
*
* @return the bitrate on success,
* RATE_ERRS if the bitrate cannot be satisfactorily determined

2
libavcodec/ffv1enc.c
View file

@ -979,7 +979,7 @@ static av_cold int encode_init_internal(AVCodecContext *avctx)
if ((ret = ff_ffv1_common_init(avctx, s)) < 0)
return ret;
if (s->ac == 1) // Compatbility with common command line usage
if (s->ac == 1) // Compatibility with common command line usage
s->ac = AC_RANGE_CUSTOM_TAB;
else if (s->ac == AC_RANGE_DEFAULT_TAB_FORCE)
s->ac = AC_RANGE_DEFAULT_TAB;

2
libavcodec/flac_parse.h
View file

@ -58,7 +58,7 @@ typedef struct FLACFrameInfo {
* @param[out] s where parsed information is stored
* @param[in] buffer pointer to start of 34-byte streaminfo data
*
* @return negative error code on faiure or >= 0 on success
* @return negative error code on failure or >= 0 on success
*/
int ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
const uint8_t *buffer);

4
libavcodec/g729postfilter.c
View file

@ -211,8 +211,8 @@ static int16_t long_term_filter(AudioDSPContext *adsp, int pitch_delay_int,
/* Compute signals with non-integer delay k (with 1/8 precision),
where k is in [0;6] range.
Entire delay is qual to best_delay+(k+1)/8
This is archieved by applying an interpolation filter of
legth 33 to source signal. */
This is achieved by applying an interpolation filter of
length 33 to source signal. */
for (k = 0; k < ANALYZED_FRAC_DELAYS; k++) {
ff_acelp_interpolate(&delayed_signal[k][0],
&sig_scaled[RES_PREV_DATA_SIZE - best_delay_int],

2
libavcodec/h264_parse.h
View file

@ -36,7 +36,7 @@
#define MB_TYPE_REF0 MB_TYPE_CODEC_SPECIFIC
#define MB_TYPE_8x8DCT 0x01000000
// This table must be here because scan8[constant] must be known at compiletime
// This table must be here because scan8[constant] must be known at compile time
static const uint8_t scan8[16 * 3 + 3] = {
4 + 1 * 8, 5 + 1 * 8, 4 + 2 * 8, 5 + 2 * 8,
6 + 1 * 8, 7 + 1 * 8, 6 + 2 * 8, 7 + 2 * 8,

2
libavcodec/h264dec.c
View file

@ -754,7 +754,7 @@ static int decode_nal_units(H264Context *h, AVBufferRef *buf_ref,
if (h->cur_pic_ptr->decode_error_flags) {
/* Frame-threading in use */
atomic_int *decode_error = h->cur_pic_ptr->decode_error_flags;
/* Using atomics here is not supposed to provide syncronisation;
/* Using atomics here is not supposed to provide synchronisation;
* they are merely used to allow to set decode_error from both
* decoding threads in case of coded slices. */
atomic_fetch_or_explicit(decode_error, FF_DECODE_ERROR_DECODE_SLICES,

2
libavcodec/h264dec.h
View file

@ -541,7 +541,7 @@ typedef struct H264Context {
* all subsequently output fraames are also marked as recovered
*
* In effect, if you want all subsequent DECODED frames marked as recovered, set frame_recovered
* If you want all subsequent DISPAYED frames marked as recovered, set the frame->recovered
* If you want all subsequent DISPLAYED frames marked as recovered, set the frame->recovered
*/
int frame_recovered;

4
libavcodec/h274.c
View file

@ -96,7 +96,7 @@ static void init_slice_c(int8_t out[64][64], uint8_t h, uint8_t v,
}
}
// Deblock horizontal edges by simple attentuation of values
// Deblock horizontal edges by simple attenuation of values
for (int y = 0; y < 64; y += 8) {
for (int x = 0; x < 64; x++) {
out[y + 0][x] = (out[y + 0][x] * deblock_coeff) >> 7;
@ -239,7 +239,7 @@ int ff_h274_apply_film_grain(AVFrame *out_frame, const AVFrame *in_frame,
uint8_t * const out = out_frame->data[c];
const int out_stride = out_frame->linesize[c];
int8_t * const grain = out_frame->data[c]; // re-use output buffer for grain
int8_t * const grain = out_frame->data[c]; // reuse output buffer for grain
const int grain_stride = out_stride;
const uint8_t * const in = in_frame->data[c];
const int in_stride = in_frame->linesize[c];

2
libavcodec/hapenc.c
View file

@ -305,7 +305,7 @@ static av_cold int hap_init(AVCodecContext *avctx)
}
break;
default:
av_log(avctx, AV_LOG_ERROR, "Invalid compresor %02X\n", ctx->opt_compressor);
av_log(avctx, AV_LOG_ERROR, "Invalid compressor %02X\n", ctx->opt_compressor);
return AVERROR_INVALIDDATA;
}
if (corrected_chunk_count != ctx->opt_chunk_count) {

4
libavcodec/hevc/hevcdec.c
View file

@ -3544,7 +3544,7 @@ static int decode_slice(HEVCContext *s, unsigned nal_idx, GetBitContext *gb)
ret = hls_slice_header(&s->sh, s, gb);
if (ret < 0) {
// hls_slice_header() does not cleanup on failure thus the state now is inconsistant so we cannot use it on depandant slices
// hls_slice_header() does not cleanup on failure thus the state now is inconsistent so we cannot use it on dependent slices
s->slice_initialized = 0;
return ret;
}
@ -4206,7 +4206,7 @@ static void hevc_decode_flush(AVCodecContext *avctx)
static const AVOption options[] = {
{ "apply_defdispwin", "Apply default display window from VUI", OFFSET(apply_defdispwin),
AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, PAR },
{ "strict-displaywin", "stricly apply default display window size", OFFSET(apply_defdispwin),
{ "strict-displaywin", "strictly apply default display window size", OFFSET(apply_defdispwin),
AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, PAR },
{ "view_ids", "Array of view IDs that should be decoded and output; a single -1 to decode all views",
.offset = OFFSET(view_ids), .type = AV_OPT_TYPE_INT | AV_OPT_TYPE_FLAG_ARRAY,

6
libavcodec/ilbcdec.c
View file

@ -1097,7 +1097,7 @@ static void do_plc(int16_t *plc_residual, /* (o) concealed residual */
use_gain = 29491; /* 0.9 in Q15 */
}
/* Compute mixing factor of picth repeatition and noise:
/* Compute mixing factor of picth repetition and noise:
for max_per>0.7 set periodicity to 1.0
0.4<max_per<0.7 set periodicity to (maxper-0.4)/0.7-0.4)
max_per<0.4 set periodicity to 0.0
@ -1142,7 +1142,7 @@ static void do_plc(int16_t *plc_residual, /* (o) concealed residual */
randvec[i] = s->prevResidual[pick];
}
/* pitch repeatition component */
/* pitch repetition component */
pick = i - use_lag;
if (pick < 0) {
@ -1160,7 +1160,7 @@ static void do_plc(int16_t *plc_residual, /* (o) concealed residual */
tot_gain = SPL_MUL_16_16_RSFT(29491, use_gain, 15); /* 0.9*use_gain */
}
/* mix noise and pitch repeatition */
/* mix noise and pitch repetition */
plc_residual[i] = SPL_MUL_16_16_RSFT(tot_gain, (pitchfact * plc_residual[i] + (32767 - pitchfact) * randvec[i] + 16384) >> 15, 15);
/* Shifting down the result one step extra to ensure that no overflow

2
libavcodec/j2kenc.c
View file

@ -1802,7 +1802,7 @@ static int j2kenc_destroy(AVCodecContext *avctx)
return 0;
}
// taken from the libopenjpeg wraper so it matches
// taken from the libopenjpeg wrapper so it matches
#define OFFSET(x) offsetof(Jpeg2000EncoderContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

4
libavcodec/jpeg2000dec.c
View file

@ -1362,7 +1362,7 @@ static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
}
bits_to_read = (uint8_t) (bits_to_read + cblk->lblock);
segment_bytes = get_bits(s, bits_to_read);
// Write length information for HT Refinment segment
// Write length information for HT Refinement segment
cblk->pass_lengths[1] += segment_bytes;
} else if (!(cblk->modes & (JPEG2000_CBLK_TERMALL | JPEG2000_CBLK_BYPASS))) {
// Common case for non-HT code-blocks; we have only one segment
@ -2814,7 +2814,7 @@ static av_cold int jpeg2000_decode_init(AVCodecContext *avctx)
Jpeg2000DecoderContext *s = avctx->priv_data;
if (avctx->lowres)
av_log(avctx, AV_LOG_WARNING, "lowres is overriden by reduction_factor but set anyway\n");
av_log(avctx, AV_LOG_WARNING, "lowres is overridden by reduction_factor but set anyway\n");
if (!s->reduction_factor && avctx->lowres < JPEG2000_MAX_RESLEVELS) {
s->reduction_factor = avctx->lowres;
}

2
libavcodec/libaribcaption.c
View file

@ -250,7 +250,7 @@ static uint8_t clut_pick_or_set(ARIBCaptionContext *ctx, int r, int g, int b, in
return c;
}
/* initialiaze CLUT with each character colors */
/* initialize CLUT with each character colors */
static void clut_init(ARIBCaptionContext *ctx, aribcc_caption_region_t *region)
{
aribcc_color_t text_color, back_color, stroke_color;

2
libavcodec/libjxlenc.c
View file

@ -93,7 +93,7 @@ static float quality_to_distance(float quality)
}
/**
* Initalize the encoder on a per-file basis. All of these need to be set
* Initialize the encoder on a per-file basis. All of these need to be set
* once each time the encoder is reset, which is each frame for still
* images, to make the image2 muxer work. For animation this is run once.
*

4
libavcodec/liboapvenc.c
View file

@ -44,7 +44,7 @@
#define MAX_BS_BUF (128 * 1024 * 1024)
#define MAX_NUM_FRMS (1) // supports only 1-frame in an access unit
#define FRM_IDX (0) // supports only 1-frame in an access unit
#define MAX_NUM_CC (OAPV_MAX_CC) // Max number of color componets (upto 4:4:4:4)
#define MAX_NUM_CC (OAPV_MAX_CC) // Max number of color components (upto 4:4:4:4)
/**
* The structure stores all the states associated with the instance of APV encoder
@ -393,7 +393,7 @@ static int liboapve_encode(AVCodecContext *avctx, AVPacket *avpkt,
uint8_t *data = apv->bitb.addr;
int size = apv->stat.write;
// The encoder may return a "Raw bitstream" formated AU, including au_size.
// The encoder may return a "Raw bitstream" formatted AU, including au_size.
// Discard it as we only need the access_unit() structure.
if (size > 4 && AV_RB32(data) != APV_SIGNATURE) {
data += 4;

4
libavcodec/loongarch/hevc_mc.S
View file

@ -674,7 +674,7 @@ endfunc
vdp2.h.bu.b \out1, \in1, vr5
vdp2.h.bu.b vr12, \in2, vr5
vdp2.h.bu.b vr20, \in3, vr5
vbsrl.v \in0, \in0, 1 //Back up previous 7 loaded datas,
vbsrl.v \in0, \in0, 1 //Back up previous 7 loaded data,
vbsrl.v \in1, \in1, 1 //so just need to insert the 8th
vbsrl.v \in2, \in2, 1 //load in the next loop.
vbsrl.v \in3, \in3, 1
@ -903,7 +903,7 @@ endfunc
xvhaddw.d.h xr7
xvhaddw.d.h xr8
xvhaddw.d.h xr9
xvbsrl.v xr14, xr14, 1 //Back up previous 7 loaded datas,
xvbsrl.v xr14, xr14, 1 //Back up previous 7 loaded data,
xvbsrl.v xr15, xr15, 1 //so just need to insert the 8th
xvbsrl.v xr16, xr16, 1 //load in next loop.
xvbsrl.v xr17, xr17, 1

2
libavcodec/loongarch/loongson_asm.S
View file

@ -332,7 +332,7 @@ ASM_PREF\name: ;
/*
* Description : Store elements of vector
* vd : Data vector to be stroed
* vd : Data vector to be stored
* rk : Address of data storage
* ra : Offset of address
* si : Index of data in vd

2
libavcodec/loongarch/vc1dsp_loongarch.h
View file

@ -30,7 +30,7 @@ void ff_vc1_inv_trans_8x8_dc_lasx(uint8_t *dest, ptrdiff_t stride, int16_t *bloc
void ff_vc1_inv_trans_8x4_lasx(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_8x4_dc_lasx(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_4x8_dc_lasx(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_4x8_lasx(uint8_t *dest, ptrdiff_t stride, int16_t *blokc);
void ff_vc1_inv_trans_4x8_lasx(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_4x4_dc_lasx(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_4x4_lasx(uint8_t *dest, ptrdiff_t stride, int16_t *block);

2
libavcodec/magicyuvenc.c
View file

@ -50,7 +50,7 @@ typedef struct HuffEntry {
typedef struct PTable {
int value; ///< input value
int64_t prob; ///< number of occurences of this value in input
int64_t prob; ///< number of occurrences of this value in input
} PTable;
typedef struct Slice {

2
libavcodec/mjpegdec.c
View file

@ -2124,7 +2124,7 @@ static int mjpeg_decode_app(MJpegDecodeContext *s)
av_log(s->avctx, AV_LOG_WARNING, "Invalid number of markers coded in APP2\n");
goto out;
} else if (s->iccnum != 0 && nummarkers != s->iccnum) {
av_log(s->avctx, AV_LOG_WARNING, "Mistmatch in coded number of ICC markers between markers\n");
av_log(s->avctx, AV_LOG_WARNING, "Mismatch in coded number of ICC markers between markers\n");
goto out;
} else if (seqno > nummarkers) {
av_log(s->avctx, AV_LOG_WARNING, "Mismatching sequence number and coded number of ICC markers\n");

4
libavcodec/mjpegenc_huffman.c
View file

@ -30,7 +30,7 @@
*/
typedef struct PTable {
int value; ///< input value
int prob; ///< number of occurences of this value in input
int prob; ///< number of occurrences of this value in input
} PTable;
/**
@ -179,7 +179,7 @@ void ff_mjpeg_encode_huffman_close(MJpegEncHuffmanContext *s, uint8_t bits[17],
// val_counts[0] is the fake element we added earlier.
av_assert1(val_counts[0].prob == 0 && val_counts[0].value == 256);
// The following loop puts the values with higher occurence first,
// The following loop puts the values with higher occurrence first,
// ensuring that they get the shorter codes.
for (int i = 0; i < nval; ++i)
val[i] = val_counts[nval - i].value;

2
libavcodec/mlz.h
View file

@ -42,7 +42,7 @@ typedef struct MLZDict {
int match_len;
} MLZDict;
/** MLZ data strucure
/** MLZ data structure
*/
typedef struct MLZ {
int dic_code_bit;

2
libavcodec/movtextenc.c
View file

@ -259,7 +259,7 @@ static int encode_sample_description(AVCodecContext *avctx)
// Build font table
// We can't build a complete font table since that would require
// scanning all dialogs first. But we can at least fill in what
// is avaiable in the ASS header
// is available in the ASS header
if (style && ass->styles_count) {
// Find unique font names
if (style->font_name) {

2
libavcodec/mpeg4videodec.c
View file

@ -3592,7 +3592,7 @@ int ff_mpeg4_parse_picture_header(Mpeg4DecContext *ctx, GetBitContext *gb,
// If we have not switched to studio profile than we also did not switch bps
// that means something else (like a previous instance) outside set bps which
// would be inconsistant with the currect state, thus reset it
// would be inconsistent with the correct state, thus reset it
if (!s->studio_profile && s->avctx->bits_per_raw_sample != 8)
s->avctx->bits_per_raw_sample = 0;

2
libavcodec/mpegaudiodec_template.c
View file

@ -1770,7 +1770,7 @@ static av_cold int decode_init_mp3on4(AVCodecContext * avctx)
else
s->syncword = 0xfff00000;
/* Init the first mp3 decoder in standard way, so that all tables get builded
/* Init the first mp3 decoder in standard way, so that all tables get built
* We replace avctx->priv_data with the context of the first decoder so that
* decode_init() does not have to be changed.
* Other decoders will be initialized here copying data from the first context

2
libavcodec/mpegvideo_enc.c
View file

@ -1828,7 +1828,7 @@ static int select_input_picture(MPVMainEncContext *const m)
if (m->reordered_input_picture[0]->shared || s->c.avctx->rc_buffer_size) {
// input is a shared pix, so we can't modify it -> allocate a new
// one & ensure that the shared one is reuseable
// one & ensure that the shared one is reusable
av_frame_move_ref(s->new_pic, m->reordered_input_picture[0]->f);
ret = prepare_picture(s, m->reordered_input_picture[0]->f, s->new_pic);

2
libavcodec/nellymoser.c
View file

@ -28,7 +28,7 @@
/**
* @file
* The 3 alphanumeric copyright notices are md5summed they are from the original
* implementors. The original code is available from http://code.google.com/p/nelly2pcm/
* implementers. The original code is available from http://code.google.com/p/nelly2pcm/
*/
#include <stdlib.h>

2
libavcodec/nellymoser.h
View file

@ -28,7 +28,7 @@
/**
* @file
* The 3 alphanumeric copyright notices are md5summed they are from the original
* implementors. The original code is available from http://code.google.com/p/nelly2pcm/
* implementers. The original code is available from http://code.google.com/p/nelly2pcm/
*/
#ifndef AVCODEC_NELLYMOSER_H

2
libavcodec/nellymoserdec.c
View file

@ -28,7 +28,7 @@
/**
* @file
* The 3 alphanumeric copyright notices are md5summed they are from the original
* implementors. The original code is available from http://code.google.com/p/nelly2pcm/
* implementers. The original code is available from http://code.google.com/p/nelly2pcm/
*/
#include "libavutil/channel_layout.h"

2
libavcodec/opus/enc.c
View file

@ -433,7 +433,7 @@ static void celt_encode_frame(OpusEncContext *s, OpusRangeCoder *rc,
if (f->silence) {
if (f->framebits >= 16)
ff_opus_rc_enc_log(rc, 1, 15); /* Silence (if using explicit singalling) */
ff_opus_rc_enc_log(rc, 1, 15); /* Silence (if using explicit signalling) */
for (int ch = 0; ch < s->channels; ch++)
memset(s->last_quantized_energy[ch], 0.0f, sizeof(float)*CELT_MAX_BANDS);
return;

2
libavcodec/opus/tab.c
View file

@ -1155,7 +1155,7 @@ const uint32_t * const ff_celt_pvq_u_row[15] = {
};
/* Deemphasis constant (alpha_p), as specified in RFC6716 as 0.8500061035.
* libopus uses a slighly rounded constant, set to 0.85 exactly,
* libopus uses a slightly rounded constant, set to 0.85 exactly,
* to simplify its fixed-point version, but it's not significant to impact
* compliance. */
#define CELT_EMPH_COEFF 0.8500061035

2
libavcodec/packet.h
View file

@ -142,7 +142,7 @@ enum AVPacketSideDataType {
AV_PKT_DATA_CPB_PROPERTIES,
/**
* Recommmends skipping the specified number of samples
* Recommends skipping the specified number of samples
* @code
* u32le number of samples to skip from start of this packet
* u32le number of samples to skip from end of this packet

2
libavcodec/pgssubdec.c
View file

@ -447,7 +447,7 @@ static int parse_presentation_segment(AVCodecContext *avctx,
PGSSubObjectRef *const object = &ctx->presentation.objects[i];
if (buf_end - buf < 8) {
av_log(avctx, AV_LOG_ERROR, "Insufficent space for object\n");
av_log(avctx, AV_LOG_ERROR, "Insufficient space for object\n");
ctx->presentation.object_count = i;
return AVERROR_INVALIDDATA;
}

2
libavcodec/pictordec.c
View file

@ -172,7 +172,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
1 byte run (=0)
2 bytes run
1 byte val
thats 5 bytes and the maximum run we can code is 65535
that's 5 bytes and the maximum run we can code is 65535
The RLE decoder can exit prematurly but it does not on any image available
Based on this the formula is assumed correct for undamaged images.

2
libavcodec/ppc/hpeldsp_altivec.c
View file

@ -46,7 +46,7 @@ void ff_put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, ptrdiff_t li
register ptrdiff_t line_size_4 = line_size * (1 << 2);
// hand-unrolling the loop by 4 gains about 15%
// mininum execution time goes from 74 to 60 cycles
// minimum execution time goes from 74 to 60 cycles
// it's faster than -funroll-loops, but using
// -funroll-loops w/ this is bad - 74 cycles again.
// all this is on a 7450, tuning for the 7450

2
libavcodec/ppc/vp8dsp_altivec.c
View file

@ -312,7 +312,7 @@ static void put_vp8_pixels16_altivec(uint8_t *dst, ptrdiff_t dstride, const uint
perm = vec_lvsl(0, src);
#endif
// hand-unrolling the loop by 4 gains about 15%
// mininum execution time goes from 74 to 60 cycles
// minimum execution time goes from 74 to 60 cycles
// it's faster than -funroll-loops, but using
// -funroll-loops w/ this is bad - 74 cycles again.
// all this is on a 7450, tuning for the 7450

4
libavcodec/psd.c
View file

@ -173,10 +173,10 @@ static int decode_header(PSDContext * s)
}
bytestream2_skip(&s->gb, len_section);
/* image ressources */
/* image resources */
len_section = bytestream2_get_be32(&s->gb);
if (len_section < 0) {
av_log(s->avctx, AV_LOG_ERROR, "Negative size for image ressources section.\n");
av_log(s->avctx, AV_LOG_ERROR, "Negative size for image resources section.\n");
return AVERROR_INVALIDDATA;
}

6
libavcodec/qsvdec.c
View file

@ -696,7 +696,7 @@ static int qsv_export_hdr_side_data(AVCodecContext *avctx, mfxExtMasteringDispla
{
int ret;
// The SDK re-uses this flag for HDR SEI parsing
// The SDK reuses this flag for HDR SEI parsing
if (mdcv->InsertPayloadToggle) {
AVMasteringDisplayMetadata *mastering;
const int mapping[3] = {2, 0, 1};
@ -726,7 +726,7 @@ static int qsv_export_hdr_side_data(AVCodecContext *avctx, mfxExtMasteringDispla
}
}
// The SDK re-uses this flag for HDR SEI parsing
// The SDK reuses this flag for HDR SEI parsing
if (clli->InsertPayloadToggle) {
AVContentLightMetadata *light;
@ -1002,7 +1002,7 @@ static int qsv_process_data(AVCodecContext *avctx, QSVContext *q,
// sw_pix_fmt, coded_width/height should be set for ff_get_format(),
// assume sw_pix_fmt is NV12 and coded_width/height to be 1280x720,
// the assumption may be not corret but will be updated after header decoded if not true.
// the assumption may be not correct but will be updated after header decoded if not true.
if (q->orig_pix_fmt != AV_PIX_FMT_NONE)
pix_fmt = q->orig_pix_fmt;
if (!avctx->coded_width)

2
libavcodec/qsvenc.c
View file

@ -2057,7 +2057,7 @@ static int submit_frame(QSVEncContext *q, const AVFrame *frame,
}
} else {
/* make a copy if the input is not padded as libmfx requires */
/* and to make allocation continious for data[0]/data[1] */
/* and to make allocation continuous for data[0]/data[1] */
if ((frame->height & (q->height_align - 1) || frame->linesize[0] & (q->width_align - 1)) ||
((frame->format == AV_PIX_FMT_NV12 || frame->format == AV_PIX_FMT_P010 || frame->format == AV_PIX_FMT_P012) &&
(frame->data[1] - frame->data[0] != frame->linesize[0] * FFALIGN(qf->frame->height, q->height_align)))) {

2
libavcodec/riscv/aacencdsp_init.c
View file

@ -1,6 +1,6 @@
/*
* AAC encoder assembly optimizations
* Copyright (c) 2023 Institue of Software Chinese Academy of Sciences (ISCAS).
* Copyright (c) 2023 Institute of Software Chinese Academy of Sciences (ISCAS).
*
* This file is part of FFmpeg.
*

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