Bounties

WIP

This list is always Work In Progress. It is NOT a definitive list, nor are the prices!

Therefore, ask before doing anything. Or suggest ideas.

Rules

One must contact us before starting a bounty.

Sending a reasonable patch on a public mailing-list gives a temporary lock for the task.

Payment

The bounties are paid to a legal entity that can create an invoice. It can be done by an independent worker too.

Money is paid by the VideoLAN non-profit organization in Euros. VideoLAN does not have a VAT number, so the prices are what VideoLAN will pay.

Money is paid on code merge in the relevant project.

Join our effort

If you feel like adding some money to a special bounty, please Contact us.

List of bounties

VLC bugs

Screencast

Audio Loopback for Mac

500 € To record the desktop sounds.

• It also requires to check that all input are using mdate()-based PTS

UI for better screencasting

250 € See #4535 and #5988.

RTSP/UDP issue

2000 € Fix the RTSP output so that the UDP transfers work across client NATs (android clients). This will require interleaving support.

VLC Features

libVLC API for filters

2000 € This task consist on doing a correct set of libVLC API for audio filters and video filters.

This would be useful for phonon, tomahawk and other libVLC applications.

libVLC API for sout and smem

2000 € Create a libVLC API to be able to use smem. This will include a libVLC API for sout.

This is very difficult, and needs extended knowledge of VLC.

Local resampling

2000 € Stop resampling the audio when playing local files.

This is very difficult, and needs extended knowledge of VLC.

RTP packetization

Each item: 250 € Do the packetization of ONE of those items:

• WMA
• WMV
• VC-1

See #1289, #1323, and #6505.

DVB scanning

1000 € In order to compete with TV software, we need some DVB scanning, working on one platform using the DTV module.

See #7248.

See http://nate.dynalias.net/dev/scanchannelsbda.rails and http://nate.deepcreek.org.au/svn/ScanChannelsBDA/trunk/

DVB Scanning²

500 € Extending the DVB scan to another platform than the main one.

HDMI pass-through

2000 € Notably for other codecs than the ones we have over S/PDIF.

We need:

• DTS extensions over HDMI, notably DTS HD MA
• E-AC3
• Dolby TrueHD
• MPGA

The price is for at least the first 3.

See #4940 and other.

Preferences for LUA extensions

2500 € Be able to add preferences for LUA extensions.

ARM optimizations

ARM optimisation for core and important filters. This is TBD.

Ideas:

• Audio conversions
• Chroma conversions
• Transform filter

Add RTP with FEC

2000 € Input and output modules (SMPTE 2022).

Working RealMedia Demuxer

1000 € This task consist in writing a correct and working demuxer for real media format, to avoid crashing and playing all videos from China...

Libavcodec features

MVC

6000 € Add a MVC Decoder in libavcodec and wire it to VLC.

VoxWare MetaSound

500 € Add a VoxWare MetaSound Decoder in libavcodec.

AAC encoder

? € Add a native AAC encoder matching the quality of existing implementations by Apple (QuickTime) or Nero (libfaac). Adding support for more channels than just 2.0 is supposed to be covered by an additional bounty.

DXV decoder

2000 € Published by Resolume, there are two codecs identified by DXDI and DXD3. Completely closed source, no specifications and available for Windows and OSX only. Binary decoder should not be too hard to reverse, although it is something that will take a considerable effort.

X-AVC-S decoder

600 € Sony second version of AVC-S, which is just a rebranded H.264, although with different sps/pps management. Unfortunately no specifications are available, so some time of reverse engineering is required.

Other decoder

We are interested in other decoders. Price are not yet defined. ?500? €

general purpose codecs

- AmaRecTV AMV2, AMV3, AMV4
- Cineform HD
- Apple Pixlet

cctv software

- Verint RFB
- IMM family of DVR codecs

screen capture

- Fox Magic Screen Capture
- NewTek SpeedHQ
- Screenpresso

Past bounties

AC-3 Volume

1000 €

Fix correctly the AC-3 volume issue. See #3994.

The issue can come from a mis-integration with liba52, or could come from some channels being wrongly discarded.

This must work on Windows.

Bug -mt on Mpeg-4 video

500 € Fix the Mpeg-4 resolution change for -mt in libavcodec. See #6579 and #6533.

Bug -mt on H.264 video

500 € Fix the H.264 resolution change for -mt in libavcodec. See #7306.

Support OGG length calculation

??? € See #6983.

MSS2

1000 € Add a MSS2 Decoder in libavcodec. See #750.

VC-1 interlaced

1000 € Fix VC-1 interlaced and adding missing B-frames support in libavcodec. See #5887.

G2M

1000 € Add a G2M2/G2M3/G2M4 Decoder in libavcodec. See #2327.

DTS-HD Master Audio

4000 € Add a DTS-HD Master Audio Decoder.

This can be either in libavcodec or in libdca, but it must work in VLC in the end, including 8 channels. This is probably the XLL extension to code.

BD-J

2000 € Work on libbluray integration to play BD-J BD in libbluray.

Auto-Rotation of the video

2000 € As many MP4 videos and JPEG files we need to rotate those when we detect it.

So far, the demuxer has the info, but that is it.

The core should ask the video output if it can do the transformation (OpenGL) else it should load the transform filter with the right parameter.

See #2882.

libVLCcore SD API and Upnp

800 € The Upnp SD is very slow because it needs to fetch recusively all nodes. This needs to change.

This task will likely need a change of API for the Service Discoveries.

See #4437.

Fallback on multi-threaded decoding if hardware decoding fails

1000 € At present, libavcodec will fall back on single-threaded decoding if hardware decoding is enabled and fails during its initialization due to unsupported pixel formats, profiles, etc.. Add support to fallback on multi-threaded decoding if supported by the respective codec.

RTP packetization

Each item: 200 € Do the packetization of ONE of those items:

• RGB
• YUV

libVLC API for imem

1000 € Create a libVLC API for imem to map to a libvlc_media_t object, in order to use it like the rest of libVLC. Notably libvlc_media_player_new_from_media

Audio Loopback for Windows

500 € To record the desktop sounds.

• It also requires to check that all input are using mdate()-based PTS