Commit graph

17 commits

Author SHA1 Message Date
Sebastian Dröge
7dfaa57b6f mxfdemux: Store GstMXFDemuxEssenceTrack in their own fixed allocation
Previously they were stored inline inside a GArray, but as references to
the tracks were stored in various other places although the array could
still be updated (and reallocated!), this could lead to dangling
references in various places.

Instead now store them in a GPtrArray in their own allocation so each
track's memory position stays fixed.

Fixes ZDI-CAN-22299

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3055

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5638>
2023-11-10 16:20:43 +00:00
Sebastian Dröge
1edd1c38dc mxfdemux: Check number of channels for AES3 audio
Only up to 8 channels are allowed and using a higher number would cause
integer overflows when copying the data, and lead to out of bound
writes.

Also check that each buffer is at least 4 bytes long to avoid another
overflow.

Fixes ZDI-CAN-21661, CVE-2023-40475

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/2897

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5365>
2023-09-20 15:14:27 +01:00
Sebastian Dröge
f73fc41f2c mxfdemux: Fix integer overflow causing out of bounds writes when handling invalid uncompressed video
Check ahead of time when parsing the track information whether
width, height and bpp are valid and usable without overflows.

Fixes ZDI-CAN-21660, CVE-2023-40474

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/2896

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5365>
2023-09-20 15:14:27 +01:00
Sebastian Dröge
5ddc082710 plugins: Fix various trivial clang compiler warnings
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4221>
2023-03-18 19:52:40 +00:00
Sebastian Dröge
bd91768692 mxfmux: Add all local tags to the primer
No matter if they're allocated via GSlice or malloc(). The allocator is
completely irrelevant, all local tags need to be in the primer so they
can be handled.

This didn't have any effect in practice because all local tags that
appear in the muxer are allocated via GSlice. Only from the demuxer they
might be allocated via malloc().

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3699>
2023-01-10 11:10:10 +00:00
Edward Hervey
3215136d67 mxfdemux: Add support for Canon XF-HEVC
Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1495

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3163>
2022-10-12 09:15:57 +00:00
Edward Hervey
9ca306d22c mxfdemux: Don't leak index table segments on failures
The segment was freed ... but not the contents :)

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3163>
2022-10-12 09:15:57 +00:00
Thibault Saunier
6a4425e46a meson: Call pkgconfig.generate in the loop where we declare plugins dependencies
Removing some copy pasted code

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2970>
2022-09-01 21:17:35 +00:00
Seungha Yang
3632e97df2 mxfdemux: Always calculate BlockAlign of raw audio
Workaround for nBlockAlign and nBitsPerSample mismatch. Always
use the formula described in the specification for BlockAlign value

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2864>
2022-08-12 19:26:08 +00:00
Tim-Philipp Müller
9d9e59622f Bump GLib requirement to >= 2.62
Can't require 2.64 yet because of
https://gitlab.freedesktop.org/gstreamer/cerbero/-/issues/323

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2568>
2022-06-10 06:01:41 +00:00
Edward Hervey
7ac4dd3d9d mxfdemux: Handle files produced by legacy FFmpeg
Until March 2022, the FFmpeg MXF muxer would write the various index table
segments with the same instance ID, which should only be used if it is a
duplicate/repeated table.

In order to cope with those, we first compare the other index table segment
properties (body/index SID, start position) before comparing the instance
ID. This will ensure that we don't consider them as duplicate, but can still
detect "real" duplicates (which would have the same other properties).

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2407>
2022-05-12 07:27:57 +02:00
Sebastian Dröge
7a679cc1f1 mxfmux: Disable aggregator's default negotiation
mxfmux can't negotiate caps with upstream/downstream and always outputs
specific caps based on the input streams. This will always happen before
it produces the first buffers.

By having the default aggregator negotiation enabled the same caps
would be pushed twice in the beginning, and again every time a
reconfigure event is received.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2372>
2022-05-05 17:41:58 +00:00
Edward Hervey
25b37c33dd mxfdemux: Fix issue with re-syncing
In case of re-syncing (i.e. moving to another partition to avoid too much of an
interleave), there was previously no checks to figure out whether a given
partition was already fully handled (i.e. when coming across it again after a
previous resync).

In order to handle this at least for single-track partitions, check whether we
have reached the essence track duration, and if so skip the partition.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2150>
2022-04-12 07:57:38 +00:00
Edward Hervey
3a77a3c696 mxfdemux: Don't double-increase track position
The essence track position should only be overriden if we sucesfully switched to
another position. In case of EOS we do not want to override it else we would
increase the track position *again* at the end of this function

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2150>
2022-04-12 07:57:37 +00:00
Edward Hervey
80e83089b5 mxfvanc: Handle empty VANC packets
Some XDCAM recorders store empty packets for VANC, and don't even include the
2byte length.

Handle them in the same way as VANC packets with 0 packets.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2122>
2022-04-06 10:05:09 +00:00
Tim-Philipp Müller
cab0eaed1c mxfdemux: don't error out if VANC track only contains packets we don't handle
If the VANC track does contain packets, but we skip over all packets, just
treat it the same as if there hadn't been any packets at all and send a
GAP event instead of erroring out with "Failed to handle essence element".

We would error out because when we reach the end of the loop without having
found a closed caption packet the flow return variable is still FLOW_ERROR
which is what it has been initialised to.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1518>
2022-01-13 11:34:37 +00:00
Thibault Saunier
019971a3c7 Move files from gst-plugins-bad into the "subprojects/gst-plugins-bad/" subdir 2021-09-24 16:14:36 -03:00