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394 commits

Author SHA1 Message Date
Edward Hervey
2657fc1fdd typefindfunctions: Bail out on huge EBML chunks 
We can't handle/store more than guint32 anyway
 2018-07-06 13:48:09 +02:00
Edward Hervey
38ba954e82 typefindfunctions: Use guint32 for sizes 
This brings it in sync with the type used with gst_type_find_*() API
 2018-07-06 13:47:58 +02:00
Edward Hervey
a87724138b typefindfunctions: Use types of same size/signedness 
Where applicable/possible
 2018-07-06 13:12:51 +02:00
Tim-Philipp Müller
1654faad38 typefindfunctions: fix tap typefinder 
If we memcmp() 12 bytes we should make sure to get
at least 12 bytes as well, and not just 8 bytes.

Thanks oss-fuzz!
 2018-05-06 11:10:21 +02:00
Fabrizio Gennari
401555ffb8 typefind: Add TAP and DMP files support 
https://bugzilla.gnome.org/show_bug.cgi?id=661137
 2018-05-05 17:13:50 +02:00
Xavier Claessens
201e7c7803 Meson: Generate pc file for all plugins in base 
https://bugzilla.gnome.org/show_bug.cgi?id=794568
 2018-04-25 11:05:56 +01:00
Edward Hervey
384d27002c typefind: Fix mp3 typefinding with multiple different headers 
(yes, this has never worked since it was introduced, don't worry)

If we want to actually detect layer/channels/samplerate changes,
it would be better to:
* not reset the various prev_* variables at every iteration.
* and actually store the values when they change

CID #206079
CID #206080
CID #206081
 2018-01-03 15:51:34 +01:00
Edward Hervey
aa10e82257 typefind: Avoid overflow calculation (image/quicktime) 
The qt typefinder uses guint64 values for offset and size calculation
but the typefinder system only supports gint64 values.

Make sure we don't end up using potentially overflowing values.
 2017-12-08 09:12:33 +01:00
Edward Hervey
1df9b05f18 typefind: Avoid overflow calculation 
The qt typefinder uses guint64 values for offset and size calculation
but the typefinder system only supports gint64 values.

Make sure we don't end up using potentially overflowing values.
 2017-12-08 08:05:10 +01:00
Edward Hervey
32eae2b166 typefind: Fix previous commit 
We need to make sure we have *enough* data to read (including the
next 4 bytes)
 2017-12-07 16:10:22 +01:00
Edward Hervey
b1c135aa72 typefind: Optimize qt/3gp typefinding 
Request the whole 'ftyp' atom data and scan within it. Avoids doing
a lot of small 4 byte pull from upstream if it's invalid.
 2017-12-07 15:05:07 +01:00
Edward Hervey
0428b4afda typefind: wavpack: limit search in blocksize 
The maximum blocksize is 131072 bytes, anything bigger is a corrupted
file.
 2017-12-07 15:05:07 +01:00
Edward Hervey
a3bf3094d1 typefind: Fix ico out-of-bound read 
The furthest we go to verify the data is reading a guint32 at offset
18, therefore make sure we can read as much.
 2017-12-07 11:04:50 +01:00
Edward Hervey
a23d4d1c1f typefind: Fix out-of-bound read in PNM typefinder 2017-11-02 17:59:29 +01:00
Tim-Philipp Müller
6c749f75a5 typefindfunctions: fix off-by-one in webvtt typefinder 
We're also checking the byte after the WEBVTT magic.
 2017-11-02 09:05:47 +00:00
Edward Hervey
5bcc1e2b57 typefind: Use GST_READ_UINT32 macros 
Avoids undefined behaviour with shifting
 2017-10-30 11:10:11 +01:00
Edward Hervey
7b5d97e9c3 typefind: Fix out-of-bound memory access 
We were not checking the proper amount of available data in several
places
 2017-10-30 08:57:19 +01:00
Aaron Boxer
12c69c4cdf typefind: Detect JPEG2000 codestreams 
https://bugzilla.gnome.org/show_bug.cgi?id=783625
 2017-07-10 10:00:41 +03:00
Nicolas Dufresne
8e6c6266d7 Remove plugin specific static build option 
Static and dynamic plugins now have the same interface. The standard
--enable-static/--enable-shared toggle are sufficient.
 2017-05-16 13:42:07 -04:00
Tim-Philipp Müller
4246198fb3 No need for newlines in debug log statements 2017-04-12 09:58:49 +01:00
Jan Schmidt
0bb82827f7 typefind: Expand the search range for HLS detection 
HLS files can have arbitrary extra tags in them, and
those can be quite long lines. We need to search
further than 256 bytes sometimes just to get past the
first few lines of the file. Make the limit 4KB,
which matches a typical input block size and should
hopefully cover every crazy input.

https://bugzilla.gnome.org/show_bug.cgi?id=780559
 2017-03-27 13:01:39 +11:00
Heekyoung Seo
0889d89407 typefindfunctions: prevent unsigned int overflow 
https://bugzilla.gnome.org/show_bug.cgi?id=778432
 2017-02-14 12:22:37 +02:00
Thibault Saunier
d67f945177 encoding-profile: Fix documentation and port to gtk markdown 
And remove some trailling whitepsaces
 2016-12-16 11:27:31 -03:00
Reynaldo H. Verdejo Pinochet
13a491fb6c typefind: add another test to itc typefinder 
Report certainty after every test passes.

Additionally:

 - Remove self-explanatory comment.
 2016-12-02 16:13:24 -08:00
Matthew Waters
2fdccfd64f typefind: bounds check windows ico detection 
Fixes out of bounds read

https://bugzilla.gnome.org/show_bug.cgi?id=774902
 2016-11-23 21:37:27 +11:00
Reynaldo H. Verdejo Pinochet
7e14875458 typefind: add typefinder for Apple/iTunes itc artwork files 
Avoids audio/mpeg false-positive described at:

https://bugzilla.gnome.org/show_bug.cgi?id=773172
 2016-11-21 10:53:13 -08:00
Nirbheek Chauhan
5c4f4ac1bd Add support for Meson as alternative/parallel build system 
https://github.com/mesonbuild/meson

With contributions from:

Tim-Philipp Müller <tim@centricular.com>
Jussi Pakkanen <jpakkane@gmail.com> (original port)

Highlights of the features provided are:
* Faster builds on Linux (~40-50% faster)
* The ability to build with MSVC on Windows
* Generate Visual Studio project files
* Generate XCode project files
* Much faster builds on Windows (on-par with Linux)
* Seriously fast configure and building on embedded

... and many more. For more details see:

http://blog.nirbheek.in/2016/05/gstreamer-and-meson-new-hope.html
http://blog.nirbheek.in/2016/07/building-and-developing-gstreamer-using.html

Building with Meson should work on both Linux and Windows, but may
need a few more tweaks on other operating systems.
 2016-08-20 11:09:51 +01:00
Jan Schmidt
ecb8d2e023 typefind: Add a typefinder for WebVTT files 2016-03-25 00:58:41 +11:00
Jan Schmidt
468111ee49 typefind: Reduce URI typefinder from MAX to LIKELY 
Don't claim maximum likelihood for anything that starts
with text that looks like a uri, it's too broad.
 2016-03-25 00:58:41 +11:00
Tim-Philipp Müller
ddfe7a2808 win32: remove outdated build cruft 
This hasn't been touched for generations, doesn't work,
and is just causing confusion. We also don't want to
maintain these files manually.
 2016-02-20 10:05:17 +00:00
Reynaldo H. Verdejo Pinochet
9cf5645860 typefind: strengthen check for valid H.263 picture layer 
Avoids some false positives leading to miss identification:

* Prevent picture start code emulation for the first 2 bytes read
* Add check for valid "picture coding type" and "PB-frames mode" combination

Additionally, change name on confusingly named TR var to what
it is, the layer's PTYPE.

https://bugzilla.gnome.org/show_bug.cgi?id=693263
 2016-02-17 11:26:25 -08:00
Sebastian Dröge
0416f121f2 typefindfunctions: Make sure that enough data is available in AAC/ADTS typefinder 
We would otherwise read beyond the array bounds and crash every now and then.
This was introduced with 5640ba17c8.

https://bugzilla.gnome.org/show_bug.cgi?id=759910
 2015-12-28 13:51:02 +02:00
Tim-Philipp Müller
fb30c04145 typefinding: minor clean-up 
Remove unnecessary brackets from IS_MPEGTS_HEADER macro.
 2015-10-01 12:49:59 +01:00
Pankaj Darak
eaf4ce01d3 typefinding: mpeg-ts detection improvement 
Allow AFC to be 0 for null pid packets.

https://bugzilla.gnome.org/show_bug.cgi?id=726117
 2015-10-01 12:32:33 +01:00
Sebastian Dröge
8a736f6e98 typefindfunctions: Add typefinder for TTML+XML 
Used in DASH among other things, as SMPTE Timed Text.
 2015-08-18 12:56:33 +03:00
Jan Schmidt
f188a023c7 typefind: Make the H.264 typefind a tiny bit more lenient. 
When we see prefix NALs before a Subset SPS has been spotted,
it might just be because the stream was truncated at the
start, so don't count those as either 'bad' or 'good' packets.
 2015-08-15 12:14:56 +10:00
Ville Skyttä
04e3fc3f33 typefind: Treat *.umx (Unreal Music Package) as audio/x-mod 
https://bugzilla.gnome.org//show_bug.cgi?id=752436
 2015-07-22 12:59:03 +01:00
Tim-Philipp Müller
39576545b7 typefindfunctions: add DASH MPD typefinder 
Moved from dashdemux plugin in -bad.
 2015-07-16 21:26:30 +01:00
Thiago Santos
822b1d4511 typefind: also check moof to recognize video/quicktime 
Helps recognizing fragmented files with the right type
 2015-07-06 10:07:38 -03:00
Tim-Philipp Müller
f5ad17871c typefinding: check for full UTF-8 BOM in MSS typefinder 
https://bugzilla.gnome.org/show_bug.cgi?id=750802
 2015-06-11 23:33:30 +01:00
Philippe Normand
d182e66bce typefindfunctions: UTF-8 MSS Manifest detection support 
Check if the first bytes of data contain an UTF-8 BOM.

https://bugzilla.gnome.org/show_bug.cgi?id=750802
 2015-06-11 19:46:02 +02:00
Tim-Philipp Müller
c680e324bc Remove obsolete Android build cruft 
This is not needed any longer.
 2015-04-26 18:42:34 +01:00
Tim-Philipp Müller
1638859627 typefinding: don't read more data than needed in MSS typefinder 2015-04-26 14:45:44 +01:00
Tim-Philipp Müller
9ef16721ed typefinding: detect MSS manifests without using g_convert() 
Embedded systems often have limited charset conversion
functionality, so don't rely on g_convert() (i.e. iconv)
for UTF-16 to UTF-8 conversions, we can easily enough do
that ourselves by converting to native endianness and
then using GLib's helper functions.
 2015-04-26 14:41:30 +01:00
Tim-Philipp Müller
76199fddb6 typefindfunctions: detect mp4 common file format variant 
Used e.g. by UltraViolet.
 2014-11-26 16:54:39 +00:00
Tim-Philipp Müller
ef23ac5f52 typefind: improve 'audible' audio typefinder a little 
Don't return NEARLY_CERTAIN just based on 4 bytes.
Also change media type to audio/x-audible.

https://bugzilla.gnome.org/show_bug.cgi?id=715050
 2014-11-25 09:04:37 +00:00
Jonathan Matthew
ddda5866c5 typefindfunctions: add audio/audible typefinder 
https://bugzilla.gnome.org/show_bug.cgi?id=715050
 2014-11-25 00:55:50 +00:00
Peter G. Baum
16c8856b42 typefind: recognize Apple Core Audio Format 
(CAF) Specification 1.0

https://bugzilla.gnome.org/show_bug.cgi?id=739840
 2014-11-09 14:42:40 +00:00
Vincent Penquerc'h
5d1376cefa typefind: remove unneeded test 
We've already bailed out if we have less than 5 bytes.

Coverity 1226441
 2014-10-30 11:42:02 +00:00
Stefan Sauer
7c247ab166 typefind: use gslice for typefine data 
Also use our free function in the failure case.
 2014-10-17 12:47:50 +02:00