Changelog for gstreamer-plugins-base-1.24.8-263.4.x86_64.rpm :

* Mon Sep 23 2024 Bjørn Lie - Update to version 1.24.8: + decodebin3: Fix collection identity check + encodebin: Fix pad removal + glimagesink: Fix cannot resize viewport when video size changed in caps + video: Don\'t overshoot QoS earliest time by a factor of 2 + meson: gst-play: link to libm- Drop gst-plugins-base-decodebin3-collection-identity-check.patch: Fixed upstream.- Rebase add_wayland_dep_to_tests.patch with quilt.
* Fri Aug 23 2024 Bjørn Lie - Update to version 1.24.7: + pbutils: descriptions: use subsampling factor to get YUV subsampling + rtspconnection: Handle invalid argument properly + urisourcebin: - Actually drop EOS on old-school pad switch - Don\'t hold lock when emitting about-to-finish + gst-launch deadlock with two playbin3s + xvimagesink: Fix crash in pool on error
* Wed Aug 21 2024 Jonas Kvinge - Add gst-plugins-base-decodebin3-collection-identity-check.patch: - Fixes a assertion causing crash on track change. Upstream bug: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3742
* Wed Jul 31 2024 Dominique Leuenberger - Update to version 1.24.6: + Highlighted bugfixes: - Fix compatibility with FFmpeg 7.0. - qmlglsink: Fix failure to display content on recent Android devices. - adaptivedemux: Fix handling of closed caption streams. - cuda: Fix runtime compiler loading with old CUDA tookit. - decodebin3 stream selection handling fixes. - d3d11compositor, d3d12compositor: Fix transparent background mode with YUV output. - d3d12converter: Make gamma remap work as intended. - h264decoder: Update output frame duration for interlaced video when second field frame is discarded. - macOS audio device provider now listens to audio devices being added/removed at runtime. - Rust plugins: audioloudnorm, s3hlssink, gtk4paintablesink, livesync and webrtcsink fixes. - videoaggregator: preserve features in non-alpha caps for subclasses with non-system memory sink caps. - vtenc: Fix redistribute latency spam. - v4l2: fixes for complex video formats. - va: Fix strides when importing DMABUFs, dmabuf handle leaks, and blocklist unmaintained Intel i965 driver for encoding. - waylandsink: Fix surface cropping for rotated streams. - webrtcdsp: Enable multi_channel processing to fix handling of stereo streams. - Various bug fixes, memory leak fixes, and other stability and reliability improvements.
* Thu Jun 27 2024 Bjørn Lie - Update to version 1.24.5: + Highlighted bugfixes: - webrtcsink: Support for AV1 via nvav1enc, av1enc or rav1enc encoders - AV1 RTP payloader/depayloader fixes to work correctly with Chrome and Pion WebRTC - av1parse, av1dec error handling/robustness improvements - av1enc: Handle force-keyunit events properly for WebRTC - decodebin3: selection and collection handling improvements - hlsdemux2: Various fixes for discontinuities, variant switching, playlist updates - qml6glsink: fix RGB format support - rtspsrc: more control URL handling fixes - v4l2src: Interpret V4L2 report of sync loss as video signal loss - d3d12 encoder, memory and videosink fixes - vtdec: more robust error handling, fix regression - ndi: support for NDI SDK v6 - Various bug fixes, memory leak fixes, and other stability and reliability improvements- Please see https://gstreamer.freedesktop.org/releases/1.24/ for changes between 1.24.0 and this version and even more in-depth info.- Refresh patches with quilt.- Drop gst-plugins-base-audiobasesink-gap.patch and gstreamer-plugins-base-CVE-2024-4453.patch: Fixed upstream.
* Wed May 22 2024 Cliff Zhao - Add gstreamer-plugins-base-CVE-2024-4453.patch: Backporting e68eccff from upstream, Prevent integer overflows and out of bounds reads when handling undefined tags. (CVE-2024-4453 ZDI-24-467 ZDI-CAN-23896 bsc#1224806)
* Tue Mar 05 2024 Antonio Larrosa - Update to version 1.24.0:
* Highlights - New Discourse forum and Matrix chat space - New Analytics and Machine Learning abstractions and elements - Playbin3 and decodebin3 are now stable and the default in gst-play-1.0, GstPlay/GstPlayer - The va plugin is now preferred over gst-vaapi and has higher ranks - GstMeta serialization/deserialization and other GstMeta improvements - New GstMeta for SMPTE ST-291M HANC/VANC Ancillary Data - New unixfd plugin for efficient 1:N inter-process communication on Linux - cudaipc source and sink for zero-copy CUDA memory sharing between processes - New intersink and intersrc elements for 1:N pipeline decoupling within the same process - Qt5 + Qt6 QML integration improvements including qml6glsrc, qml6glmixer, qml6gloverlay, and qml6d3d11sink elements - DRM Modifier Support for dmabufs on Linux - OpenGL, Vulkan and CUDA integration enhancements - Vulkan H.264 and H.265 video decoders - RTP stack improvements including new RFC7273 modes and more correct header extension handling in depayloaders - WebRTC improvements such as support for ICE consent freshness, and a new webrtcsrc element to complement webrtcsink - WebRTC signallers and webrtcsink implementations for LiveKit and AWS Kinesis Video Streams - WHIP server source and client sink, and a WHEP source - Precision Time Protocol (PTP) clock support for Windows and other additions - Low-Latency HLS (LL-HLS) support and many other HLS and DASH enhancements - New W3C Media Source Extensions library - Countless closed caption handling improvements including new cea608mux and cea608tocea708 elements - Translation support for awstranscriber - Bayer 10/12/14/16-bit depth support - MPEG-TS support for asynchronous KLV demuxing and segment seeking, plus various new muxer features - Capture source and sink for AJA capture and playout cards - SVT-AV1 and VA-API AV1 encoders, stateless AV1 video decoder - New uvcsink element for exporting streams as UVC camera - DirectWrite text rendering plugin for windows - Direct3D12-based video decoding, conversion, composition, and rendering - AMD Advanced Media Framework AV1 + H.265 video encoders with 10-bit and HDR support - AVX/AVX2 support and NEON support on macOS on Apple ARM64 CPUs via new liborc - GStreamer C# bindings have been updated - Rust bindings improvements and many new and improved Rust plugins - Rust plugins now shipped in packages for all major platforms including Android and iOS - Lots of new plugins, features, performance improvements and bug fixes
* For more detailed information on this update, please see https://gstreamer.freedesktop.org/releases/1.24/- Remove patch reduce-required-meson.patch since meson 1.1 is really required now.
* Tue Mar 05 2024 Jonas Kvinge - Add gst-plugins-base-audiobasesink-gap.patch: Revert a gap change causing EOS, affecting strawberry playback causing playback to stop when using mute or fading features. Upstream issue: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3303
* Thu Feb 01 2024 Antonio Larrosa - Update to version 1.22.9: + audiobasesink: Don\'t wait on gap events + audioconvert: change gst_audio_convert_get_unit_size() log levels + glcolorconvert: Correct transform_caps direction + gloverlay: Apply updated overlay coordinates correctly + videorate: keep pool if max_buffers is unlimited- Rebase reduce-required-meson.patch
* Thu Jan 04 2024 Antonio Larrosa - Update to version 1.22.8: + appsrc: Fix flow return when buffer is dropped + audioringbuffer: Don\'t try to map MONO channel + encoding-target: Properly free when missing type field in parse_encoding_profile + pbutils: Don\'t include default vp9 parameters in resulting codec mime string + videorate: Don\'t forget last_ts on caps changes- Rebase reduce-required-meson.patch
* Tue Nov 28 2023 Dominique Leuenberger - Use %autosetup instead of %setup/%patch.
* Wed Nov 15 2023 Antonio Larrosa - Update to version 1.22.7: + audioaggregator, audiomixer: Make access to the pad list thread-safe while mixing + basetextoverlay: Fix overlay never rendering again if width reaches 1px + glfiter: Protect GstGLContext access + glfilter: Only add parent meta if inbuf != outbuf + macOS: fix huge memory leak with glfilter-based elements + rtspconnection: Ignore trailing whitespace in rtsp headers + video-scaler, audio-resampler: downgrade \'can\'t find exact taps\' to debug- Rebase reduce-required-meson.patch
* Fri Sep 22 2023 Bjørn Lie - Update to version 1.22.6: + audio: Make sure to stop ringbuffer on error + decodebin3: - Avoid identity, sinkpad, parsebin leakage when reset input - Ensure the slot is unlinked before linking to decoder + sdp: - Fix wrong debug log error message for missing clock-rate in caps - Parse zero clock-rate as default- Rebase reduce-required-meson.patch
* Tue Jul 25 2023 Bjørn Lie - Update to version 1.22.5: + appsink: add missing make_writable call + audioaggregator: Do not post message before being constructed + decodebin3: - Prevent a critical warning when reassigning output slots - Fix slot input linking when the associated stream has changed - Remove spurious input locking during parsebin reconfiguration + urisourcebin: Set source element to READY before querying it + gl/viv-fb: meson build updates + plugins: fix compiler warnings with GLib >= 2.76 + subtitleoverlay: fix mutex error if sink caps is not video + video: - timecode: Add support for framerates lower than 1fps - accept timecode of 119.88 (120/1.001) FPS - cannot attach time code meta when frame rate is 119.88 (120000/1001) + videodecoder: fix copying buffer metas- Rebase reduce-required-meson.patch.
* Mon Jun 26 2023 Bjørn Lie - Update to version 1.22.4: + alsasink: Fix stall for transition from PAUSED to READY with USB speakerphone. + appsink: unref buffer in prev sample early so buffers from v4l2 can be released properly. + basetextoverlay: Fix typo in \"text-y\" property description. + gldownload: handle passthrough without a critical. + glfilter: add parent meta to output buffer for input buffer. + oggdemux: vp8: Push headers downstream and detect keyframe packets. + opus: Fix potential crash when getting unexpected channel position. + streamsynchronizer: reset eos on STREAM_START. + subparse: Look for the closing > of a tag after the opening < (bsc#1213131, CVE-2023-37328) + video: convertframe: Add D3D11 specific conversion path. + videometa: Only validate the alignment only when it contains some info. + video-blend: Fix linking error with C++. + Fixes FLAC file parsing integer overflow remote code execution vulnerability (bsc#1213128, CVE-2023-37327)- Rebase reduce-required-meson.patch.
* Wed May 24 2023 Bjørn Lie - Update to version 1.22.3: + allocators: Fix fdmem unit test with recent GLib versions. + audiotestsrc: Initialize all samples in wave=ticks mode. + decodebin3: - Handle input streams without CAPS or TIME segment such as e.g. udpsrc or pushfilesrc. - Fix regression handling streams without caps. - Fix random hang when remove failing stream. + uridecodebin3: Ensure atomic urisourcebin state change. + glvideoflip: fix leaked caps. + glcontext_wgl: fix missing unref. + playsink: Fix volume leak.- Rebase reduce-required-meson.patch.
* Wed Apr 12 2023 Bjørn Lie - Update to version 1.22.2: + alsasink: Fix for being stuck in stop_streaming_threads state + decodebin3: fix hang when removing a failing stream + gl: wayland: cleanup on close + parsebin: Improve elementary stream handling + playbin: fix deadlock when stopping stream with subtitles visible even more + sdp: Skip source-specific caps fields when creating an SDP media from caps + urisourcebin: - Propagate sticky events from parsebin - Activate pad before transferring sticky events + typefinding: fix failure to recognize application/dash+xml in some cases- Rebase patches with quilt.
* Thu Mar 09 2023 Bjørn Lie - Update version to 1.22.1: + alsasink: Fix stall when going from PLAYING to NULL (stucked at PAUSED) with uac1 gadget + appsrc: Don\'t chain up BaseSrc::negotiate() + audio: channel-mix: Fix channel count limit to be able to equal 64 + gl/cocoa: Return a strong ref to the parent GstGLContext + gldisplay: - Mark gst_gl_display_create_context() other_context parameter as nullable - Remove unused code + gstglwindow_x11.c: Fix colormap leak + gst-play-1.0: Don\'t force accurate seeking + rtspconnection: Annotate RTSP message and RTSP events parameters correctly + sdp: gstmikey: gst_mikey_message_to_caps: extract ROC from first crypto session + sdp, typefind: Fix some annotations + subparse: Properly forward segment seqnum + uridecodebin: Set source element to READY before querying it + uritranscodebin: Fix unref of NULL- Rebase patches with quilt.
* Fri Jan 27 2023 Antonio Larrosa - Add patch to reduce the required meson version to 0.61.0 since that\'s what we have in SLE 15:
* reduce-required-meson.patch- Probably because of a problem in SLE\'s meson, the generated pkgconfig files are missing some variables that are needed by rpm to generate the pkgconfig(...) provides correctly. In order to fix this, we now check for those variables and insert them in the pc files before installation if they\'re missing.
* Tue Jan 24 2023 Bjørn Lie - Update to version 1.22.0: + Please see changes in gstreamer main package, major version bump.- Rebase patches with quilt.- Add pkgconfig(xi) BuildRequires: New dependency.
* Fri Dec 23 2022 Bjørn Lie - Update to version 1.20.5: + audioconvert, audioresample, audiofilter: fix divide by 0 for input buffer without caps + cdparanoia: Ignore compiler warning coming from the cdparanoia header + oggdemux, parsebin: More leak fixes + opengl: - Fix automatic dispmanx detection for rpi4 - Fix usage of eglCreate/DestroyImage - Fix static linking on macOS + Bump core requirement in 1.20 branch to 1.20.4 + oggdemux: Don\'t leak incoming EOS event + opusdec: Various channel-related fixes + subparse: Fix non-closed tag handling. + textrender: - Don\'t blindly forward all events and don\'t blindly forward all events - Negotiate caps on a GAP event if none were negotiated yet + timeoverlay: fix pad leak + videodecoder: Only post latency message if it changed + videoscale: buffer meta handling fixes (NULL-terminate array of valid meta tags) + videosink: Don\'t return unknown end-time from get_times()
* Fri Oct 21 2022 Bjørn Lie - Update to version 1.20.4: + decodebin3: - Fix mutex leaks - Fix memory issues with active selection list - uridecodebin3, urisourcebin: Event handling fixes - Fix EOS event sequence + parsebin: - Avoid crash with unknown streams - SIGSEGV during HLS stream using souphttpsrc + glimagesink: - Only allow setting the GL display/context if it is a valid value - Segfault on android devices + gstgl: Fix several memory leaks in macOS + opusenc: improve inband-fec property documentation + playsink: Hold a reference to the soft volume element + pbutils: descriptions: fix gst_pb_utils_get_caps_description_flags() + rtspurl: Use gst_uri_join_strings() in gst_rtsp_url_get_request_uri_with_control() instead of a hand-crafted, wrong version + rtspconnection: protect cancellable by a mutex + sdpmessage: Don\'t set SDP medias from caps without media/payload/clock-rate fields + samiparse: fix handling of self-closing tags + ssaparse: include required system headers for isspace() and sscanf() functions + subparse: fix crash when parsing invalid timestamps in mpl2 + subparse fixes + textoverlay: Don\'t miscalculate text running times + videoaggregator: always convert when user provides converter-config + video: Fix scaling in 4x horizontal co-sited chroma (Y41B, YUV9, YVU9 and IYU9) + xmptag: register musicbrainz tags during init to fix critical in jpegparse + xvimagesink: fix image leaks in error code path + tests: skip unit tests for dependency-less elements that have been disabled
* Wed Jun 22 2022 Aaron Stern - Update to version 1.20.3: + typefindfunctions: Fix WebVTT format detection for very short files + gldisplay: Reorder GST_GL_WINDOW check for egl-device + rtpbasepayload: Copy all buffer metadata instead of just GstMetas for the input meta buffer + codec-utils: Avoid out-of-bounds error + navigation: Fix Since markers for mouse scroll events + videoaggregator: Fix for unhandled negative rate + videoaggregator: Use floor() to calculate current position + video-color: Fix for missing clipping in PQ EOTF function + gst-play-1.0: Fix trick-mode handling in keyboard shortcut + audiovisualizer: shader: Fix out of bound write
* Mon May 09 2022 Antonio Larrosa - Update to version 1.20.2: + appsrc: Clarify buffer ref semantics in signals documentation + appsrc: fix annotations for bindings + typefind: Skip extension parsing for data:// URIs, fixing regression with mp4 files serialised to data uris + playbin3: various fixes + playbin3: fix missing lock when unknown stream type in pad-removed cb + decodebin3: fix collection leaks + decodebin3: Don\'t duplicate stream selections + discoverer: chain up to parent finalize methods in all our types to fix memory leaks + glmixerbin: slightly better pad/element creation + gltransformation: let graphene alloc its structures memory aligned + ogg: fix possible buffer overrun + rtpbasepayload: Don\'t write header extensions if there\'s no corresponding... + rtpbasepayload: always store input buffer meta before negotiation + rtpbasepayload: fix transfer annotation for push and push_list + subparse: don\'t try to index string with -1 + riff-media: fix memory leak after usage for g_strjoin() + playbin/playbin3: Allow setting a NULL URI + playsink: Complete reconfiguration on pad release. + parsebin: Expose streams of unknown type + pbutils: Fix wmv screen description detection + subparse: don\'t deref a potentially NULL variable + rawvideoparse: set format from caps in gst_raw_video_parse_set_config_from_caps + videodecoder: release stream lock after handling gap events + videorate: fix assertion when pushing last and only buffer without duration + videorate: Revert \"don\'t reset on segment update\" to fix segment handling regressions + gst-play-1.0, gst-launch-1.0: Enable win32 high-resolution timer also for MinGW build- Drop patch already included in 1.20.2: + 5a074a11f90e3d70b24bf0c535ab0480fad9e701.patch
* Sat Mar 26 2022 Bjørn Lie - Add 5a074a11f90e3d70b24bf0c535ab0480fad9e701.patch: playsink: Complete reconfiguration on pad release.- Use ldconfig_scriptlets macro for post(un) handling.
* Fri Mar 18 2022 Antonio Larrosa - Update to version 1.20.1: + typefindfunctions: Fix WebVTT format detection for very short files + gldisplay: Reorder GST_GL_WINDOW check for egl-device + rtpbasepayload: Copy all buffer metadata instead of just GstMetas for the input meta buffer + codec-utils: Avoid out-of-bounds error + navigation: Fix Since markers for mouse scroll events + videoaggregator: Fix for unhandled negative rate + videoaggregator: Use floor() to calculate current position + video-color: Fix for missing clipping in PQ EOTF function + gst-play-1.0: Fix trick-mode handling in keyboard shortcut + audiovisualizer: shader: Fix out of bound write
* Fri Feb 04 2022 Bjørn Lie - Update to version 1.20.0: + Development in GitLab was switched to a single git repository containing all the modules + GstPlay: new high-level playback library, replaces GstPlayer + WebM Alpha decoding support + Encoding profiles can now be tweaked with additional application-specified element properties + Compositor: multi-threaded video conversion and mixing + RTP header extensions: unified support in RTP depayloader and payloader base classes + SMPTE 2022-1 2-D Forward Error Correction support + Smart encoding (pass through) support for VP8, VP9, H.265 in encodebin and transcodebin + Runtime compatibility support for libsoup2 and libsoup3 (libsoup3 support experimental) + Video decoder subframe support + Video decoder automatic packet-loss, data corruption, and keyframe request handling for RTP / WebRTC / RTSP + mp4 and Matroska muxers now support profile/level/resolution changes for H.264/H.265 input streams (i.e. codec data changing on the fly) + mp4 muxing mode that initially creates a fragmented mp4 which is converted to a regular mp4 on EOS + Audio support for the WebKit Port for Embedded (WPE) web page source element + CUDA based video color space convert and rescale elements and upload/download elements + NVIDIA memory:NVMM support for OpenGL glupload and gldownload elements + Many WebRTC improvements + The new VA-API plugin implementation fleshed out with more decoders and new postproc elements + AppSink API to retrieve events in addition to buffers and buffer lists + AppSrc gained more configuration options for the internal queue (leakiness, limits in buffers and time, getters to read current levels) + Updated Rust bindings and many new Rust plugins + Improved support for custom minimal GStreamer builds + Support build against FFmpeg 5.0 + Linux Stateless CODEC support gained MPEG-2 and VP9 + Windows Direct3D11/DXVA decoder gained AV1 and MPEG-2 support + Lots of new plugins, features, performance improvements and bug fixes- Rebase add_wayland_dep_to_tests.patch.- Drop gstreamer-plugins-base-gl-deps.patch: Fixed upstream- Stop using service due to upstreams new mono-repo, just use tarballs for now.
* Fri Feb 04 2022 Bjørn Lie - Update to version 1.18.6: + tagdemux: Fix crash when presented with malformed files (security fix) + videoencoder: make sure the buffer is writable before modifying metadata + video-converter: Fix for broken gamma remap with high bitdepth YUV output + sdpmessage: fix mapping single char fmtp params + oggdemux: fix a race in push mode when performing the duration seek + uridecodebin: Fix critical warnings + audio-converter: Fix resampling when there\'s nothing to output + tcp: fix build on Solaris + uridecodebin3: Nullify current item after all play items are freed. + audio-resampler: Fix segfault when we can\'t output any frames + urisourcebin: Handle sources with dynamic pads and pads already present + playbin2/3: autoplug/caps: don\'t expand caps to ANY + uridecodebin3/urisourcebin: Reusability fixes + rtspconnection: Only reset timeout when socket is unused + gstvideoaggregator.c: fix build with gcc 4.8- Drop service, use source url, upstream changes in git.
* Thu Sep 16 2021 Bjørn Lie - Stop building doc sub-package, we will in the future use upstreams own standalone doc package. Following this: Drop fdupes, gtk-doc and hotdoc BuildRequires, and fdupes call, no longer needed nor usefull.
* Thu Sep 16 2021 Stanislav Brabec - Remove obsolete translation-update-upstream support (jsc#SLE-21105).
* Wed Sep 15 2021 Bjørn Lie - Update to version 1.18.5: + appsrc: Don\'t leak buffer list while wrongly unreffing buffer on EOS/flushing + audioaggregator: - Don\'t overwrite already written samples - Resync on the next buffer when dropping a buffer on discont resyncing + audiobasesink: Fix of double lock release + audiobasesrc: Fix divide by zero assertion + clockoverlay: Fix broken string formatting by strftime() on Windows + compositor: Fix NV12 blend operation + giosrc: Don\'t leak scheme string in gst_gio_src_query() + giobasesink: Handle incomplete writes in gst_gio_base_sink_render() + gl/wayland: - Use consistent wl_display when creating work queue for proxy wrapper - Provide a dummy global_remove function + gl: Fix build when Meson >= 0.58.0rc1 + playbin2: fix base_time selection when flush seeking live (such as with RTSP) + rtspconnection: - Add IPv6 support for tunneled mode - Consistently translate GIOError to GstRTSPResult (for rtspsrc) + rawbaseparse: check destination format correctly + uridecodebin: Don\'t force floating reference for future reusable decodebin + parsebin: Put stream flags in GstStream + splitmuxsink: always use factory property when set + video-converter: Set up matrix tables only once. + videoscale: Performance degradation from 1.16.2 -> 1.18.4 + videotestsrc: Fix a leak when computing alpha caps + audio/video-converter: Plug some minor leaks + audio,video-format: Make generate_raw_formats idempotent for assertions + Don\'t use volatile to mean atomic (fixes compiler warnings with gcc 11) + Fix build issue on MinGW64- Drop 90903917.patch: Fixed upstream.
* Sat Jul 17 2021 Dominique Leuenberger - Add 90903917.patch: Fix build with meson >= 0.58.0rc1
* Sat May 08 2021 Dirk Müller - don\'t own appdata dir - comes from filesystem rpm
* Tue Mar 30 2021 Antonio Larrosa - Update to version 1.18.4: + tag: id3v2: fix frame size check and potential invalid reads + audio: Fix gst_audio_buffer_truncate() meta handling for non-interleaved audio + audioresample: respect buffer layout when draining + audioaggregator: fix input_buffer ownership + decodebin3: change stream selection message owner, so that the app sends the stream-selection event to the right element + rtspconnection: correct data_size when tunneled mode + uridecodebin3: make caps property work + video-converter: Don\'t upsample invalid lines + videodecoder: Fix racy critical when pool negotiation occurs during flush + video: Convert gst_video_info_to_caps() to take self as const ptr + examples: added qt core dependency for qt overlay example
* Sat Jan 16 2021 Bjørn Lie - Update to version 1.18.3: + audiorate: Make buffer writable before changing its metadata + compositor: fix blending of subsampled components + decodebin3: - When reconfiguring a slot make sure that the ghostpad is unlinked - Release selection lock when pushing EOS + encodebasebin: Ensure that parsers are compatible with selected encoders + tagdemux: resize and trim buffer in place to fix interaction with oggdemux + videoaggregator: Pop out old buffers on timeout + video-blend: fix blending 8-bit and 16-bit frames together + appsrc: fix signal documentation + gl: document some GL caps specifics + libvisual: workaround clang compiler warning