GStreamer 1.6.0 发布，多媒体开发框架
欢迎加入运维网交流群:263444886GStreamer 团队很高兴的发布了 1.6.0 版本，该版本主要值得关注的改进包括：
[*] Stereoscopic 3D and multiview video support
[*] Trick mode API for key-frame only fast-forward/fast-reverse playback etc.
[*] Improved DTS (decoding timestamp) vs. PTS (presentation timestamp) handling to account for negative DTS
[*] New GstVideoConverter API for more optimised and more correct conversion of raw video frames between all supported formats, with rescaling
[*] v4l2src now supports renegotiation
[*] v4l2transform can now do scaling
[*] V4L2 Element now report Colorimetry properly
[*] Easier chunked recording of MP4, Matroska, Ogg, MPEG-TS: new splitmuxsink and multifilesink improvements
[*] Content Protection signalling API and Common Encryption (CENC) support for DASH/MP4
[*] Many adaptive streaming (DASH, HLS and MSS) improvements
[*] New PTP and NTP network client clocks and better remote clock tracking stability
[*] High-quality text subtitle overlay at display resolutions with glimagesink or gtkglsink
[*] RECORD support for the GStreamer RTSP Server
[*] Retransmissions (RTX) support in RTSP server and client
[*] RTSP seeking support in client and server has been fixed
[*]
RTCP scheduling improvements and reduced>
[*] MP4/MOV muxer acquired a new "robust" mode of operation which attempts to keep the output file in a valid state at all times
[*] Live mixing support in aggregator, audiomixer and compositor was improved a lot
[*] compositor now also supports rescaling of inputs streams on the fly
[*] New audiointerleave element with proper input synchronisation and live input support
[*] Blackmagic Design DeckLink capture and playback card support was rewritten from scratch; 2k/4k support; mode sensing
[*] KLV metadata support in RTP and MPEG-TS
[*] H.265 video encoder (x265), decoders (libav, libde265) and RTP payloader and depayloaders
[*] New DTLS plugin and SRTP/DTLS support
[*] OpenGL3 support, multiple contexts and context propagation, 3D video, transfer/conversion separation, subtitle blending
[*] New OpenGL-based QML video sink, Gtk GL video sink, CoreAnimation CAOpenGLLayerSink video sink
[*] gst-libav switched to ffmpeg as libav-provider, gains support for 3D/multiview video, trick modes, and the CAVS codec
[*] GstHarness API for unit tests
[*] gst-editing-services got a completely new ges-launch-1.0 interface, improved mixing support and integration into gst-validate
[*] gnonlin has been deprecated in favor of nle (Non Linear Engine) in gst-editing-services
[*] gst-validate has a new plugin system, an extensive default testsuite, support for concurrent test runs and valgrind support
[*] cerbero build tool for SDK binary packages gains new 'bundle-source' command
[*] Various improvements to the Android, iOS, OS X and Windows platform support
修复的 bug 有：
[*] Crashes in the gst-libav encoders were fixed
[*] More DASH-IF test streams are working now
[*]
Live DASH, HLS and MS SmoothStreaming streams work more>
[*] Reverse playback works with scaletempo to keep the audio pitch
[*] Correct stream-time is reported for negative applied_rate
[*] SRTP packet validation during decoding does not reject valid packets anymore
[*] Fixes for audioaggregator and aggregator to start producing output at the right time, and e.g. not outputting lots of silence in the beginning
[*] gst-libav's internal ffmpeg snapshot was updated to 2.8.1
[*] cerbero has support for Mac OS X 10.11 (El Capitan)
[*] Various memory leaks were fixed, including major leaks in playbin, playsink and decodebin
[*] Various GObject-Introspection annotation fixes for bindings
[*] and many, many more
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