| Commit message (Collapse) | Author | Age |
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Generated with
sed -i 's|Copyright.*Andre Noll.*|SPDX-License-Identifier: GPL-2.0 */|g' *.c *.h
followed by manually tweaking the result a bit. No license change intended.
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These just clutter the generated documentation, particularly the list of
global variables.
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Every .c file includes it anyway.
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A lot of functions of the buffer tree API don't modify the memory
referenced by the pointers passed. This patch marks these pointer
arguments as constant.
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Currently we have ~15 error codes which indicate an EOF condition. One
should suffice, so drop all codes except the generic E_EOF and use
that everywhere.
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This series implements a new memory allocation API which checks
for overflows. The first part of the series just renames the main
allocation functions. Later patches in the series implement allocators
which take two size_t arguments (like calloc(3)) and check whether the
multiplication overflows by employing the __builtin_mul_overflow()
primitive supported by gcc and clang. This requires us to bump the
lowest supported gcc and clang version.
* refs/heads/t/overflow:
build: Compile with -ftrapv.
string: Introduce arr_zalloc().
string: Introduce arr_alloc().
string: Introduce arr_realloc() and check for integer overflow.
string: Rename para_calloc() -> zalloc().
string: Rename para_malloc() -> alloc().
string: Overhaul para_strdup().
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Change all callers of alloc() which pass a product of two integers as
the allocation size to call the new function instead. This function
aborts if the multiplication overflows. With arr_alloc() in place,
alloc() reduces to a trivial wrapper which calls new arr_alloc()
with the first argument equal to one.
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Reword the documentation a bit since the function has never been a
wrapper for calloc(3). No code changes.
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Just because it's shorter and matches the naming of the new allocators
we are about to introduce. The bulk of this patch was created with
sed -i 's/para_malloc/alloc/g' *.c *.h yy/mp.y
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The word "monitor" is neutral and continues to be correct after the
switch from select(2) to poll(2).
Pure rename, nothing to see here.
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The GPLv2 line does not add any additional information, so drop
it. This leaves a single line of legalese text for most files, which
is about the amount of screen real estate it deserves.
This patch was created with the following script (plus some manual
fixups):
awk '{
if (NR <= 5) {
gs = gensub(/.*Copyright.* ([0-9]+).*Andre Noll.*/, "\\1", "g")
if (gs != $0)
year = gs
next
}
if (NR == 6 && year != "")
printf("/* Copyright (C) %s Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */\n", year)
print
}'
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This replaces the *_filter.m4 gengetopt files by the filter_cmd
lopsub suite, where each filter is realized as a subcommand. Due to
this change, para_filter needs to be linked with -llopsub.
The filter structure is now stored in the user_data pointer provided
by lopsub, allowing to get rid of the global filters[] array, the
FILTER_ENUM macro and the corresponding enumeration constants.
The removal of the ->goo_help member of struct filter makes this
structure constant. Hence ->init() of struct filter can also go
away. We still can tell whether a filter is supported by checking
the user_data pointer: if it is NULL, the filter is unsupported. The
new filter_supported() helper in filter_common.c is provided for
convenience.
Parsing of the filter command line options is now performed
generically, and the ->parse_config() method is renamed to ->setup(),
an optional function which is supposed to perform semantic checks
and the one-time setup of the filter, if any. It is accompanied by
->teardown() which replaces ->free_config().
The conversion of the individual filters is easy since most filters
have a simple syntax or take no arguments at all. The resample_filter,
however, needs a different way to copy the wav parameters from the
lopsub parse result to the wav parms structure. A suitable macro,
LLS_COPY_WAV_PARMS is added to check_wav.h for this purpose. The old
COPY_WAV_PARMS needs to stay until para_write, the only other user
of the macro, has been converted as well.
The section heading of the manual page has changed slightly, causing
t0005 to fail. Hence this test needs a slight adjustment.
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These values are obtained by reading a 16 bit value from a buffer,
so uint16_t is the right type for these fields.
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Done with
files=$(git grep -l 'Copyright (C) [0-9]\{4\}\(-2014\)* Andre Noll')
sed --in-place= -e 's/Copyright (C) \([0-9]\{4\}\)-2014 Andre Noll/Copyright (C) \1 Andre Noll/1' $files
In previous years we ran a similar script to set the second year in
the range to the current year. This is kind of silly, so let's get
rid of this useless information.
This commit replaces "Copyright (C) A-B" by "Copyright (C) A" in
all file headers, i.e. only the first year (A) is left in. Accurate
information including time stamps for each change can be obtained
from the git history.
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The mail server on systemlinux.org was down for more than a week
lately, so let's use an alternative official address. This commit
changes all maan@systemlinux.org addresses to maan@tuebingen.mpg.de.
Most .c and .h files contain the email address in the copyright header,
so they must all be patched. Three other files contain the address
for a different reason:
* README lists email and git, gitweb and home page URLs
* configure.ac needs it for configure -h
* version.c contains it for the -V option of all commands
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The patch is large, but it's fairly straight forward: Instead of
a task pointer all ->pre_select() and ->post_select() methods now
receive the context pointer that was passed to the scheduler when
the task was registered. This allows to kill the public task_context().
Two pre_select/post_select functions are not directly called by the
scheduler: session_post_select(), generic_recv_pre_select(). These
are changed to receive a proper struct rather than a void pointer.
Note that generic_filter_pre_select() is not changed in this
manner because some filters do not provide a pre_select wrapper but set
task->pre_select to generic_filter_pre_select().
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A single fix that was cooking since 2014-03-02.
* t/opusdec_busy_loop_fix:
opusdec: Fix busy loop.
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This braino caused the opus decoder to request a minimal timeout
most of the time.
The bug was introduced 2013-09 in commit 14c16b65.
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This year, we're really on time. The changes in this patch were
created by the following silly script:
files=$(git grep -l 'Copyright (C) [0-9]\{4\}\(-2013\)* Andre Noll')
sed --in-place= -e 's/Copyright (C) \([0-9]\{4\}\)-2013 Andre Noll/Copyright (C) \1-2014 Andre Noll/1' $files
sed --in-place= -e 's/Copyright (C) 2013 Andre Noll/Copyright (C) 2013-2014 Andre Noll/1' $files
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Currently the opus decoder works on the ogg page level, i.e. during
each scheduler iteration it tries to extract one ogg page from the
stream and decodes all opus packages therein. Since ogg pages can be
quite large (20K), decoding can take a significant amount of time,
especially on slow machines. If the decoding takes longer than the
buffer time of the configured writer, audible buffer underruns result.
This changes the opus decoder to decode only a single packet during
each iteration. With this patch applied, latency improves greatly,
and underruns occur on neither an old 150MHz AMD K6 nor on the
raspberry pi.
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The generic one should do just fine and the additional 100ms timeout
should not be necessary.
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opusdec_filter.c indirectly includes opus_types.h which checks whether
__STDC_VERSION__ >= 199901L. However, at least some gcc versions
don't define __STDC_VERSION__ which results in
warning: "__STDC_VERSION__" is not defined
For example, this happens on Ubuntu lucid, which ships gcc-4.4.3.
This patch gets rid of the warning by defining __STDC_VERSION__
if necessary prior to including the opus_types header.
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Implementation is similar to the speex decoder, in particular meta
data handling is almost identical.
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This adds tests for libopus to configure.ac and minimal (non-working)
implementations of the ogg/opus decoder and audio format handler.
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