Factory Details: Long name: x264enc Class: Codec/Encoder/Video Description: H264 Encoder Author(s): Josef Zlomek , Mark Nauwelaerts Rank: primary (256) Plugin Details: Name: x264 Description: libx264-based H264 plugins Filename: /usr/lib64/gstreamer-0.10/libgstx264.so Version: 0.10.16 License: GPL Source module: gst-plugins-ugly Binary package: GStreamer Ugly Plug-ins source release Origin URL: Unknown package origin GObject +----GstObject +----GstElement +----GstX264Enc Implemented Interfaces: GstPreset Pad Templates: SRC template: 'src' Availability: Always Capabilities: video/x-h264 framerate: [ 0/1, 2147483647/1 ] width: [ 1, 2147483647 ] height: [ 1, 2147483647 ] stream-format: { byte-stream, avc } alignment: { au } SINK template: 'sink' Availability: Always Capabilities: video/x-raw-yuv format: I420 framerate: [ 0/1, 2147483647/1 ] width: [ 16, 2147483647 ] height: [ 16, 2147483647 ] Element Flags: no flags set Element Implementation: Has change_state() function: 0x7fb5094b56b0 Has custom save_thyself() function: 0x7fb50bbf04f0 Has custom restore_thyself() function: 0x7fb50bbecd40 Element has no clocking capabilities. Element has no indexing capabilities. Element has no URI handling capabilities. Pads: SRC: 'src' Implementation: Has custom eventfunc(): 0x7fb5094b67f0 Pad Template: 'src' SINK: 'sink' Implementation: Has chainfunc(): 0x7fb5094b68e0 Has custom eventfunc(): 0x7fb5094b66f0 Pad Template: 'sink' Element Properties: name : The name of the object flags: readable, writable String. Default: null Current: "x264enc0" threads : Number of threads used by the codec (0 for automatic) flags: readable, writable Unsigned Integer. Range: 0 - 4 Default: 0 Current: 0 sliced-threads : Low latency but lower efficiency threading flags: readable, writable Boolean. Default: false Current: false sync-lookahead : Number of buffer frames for threaded lookahead (-1 for automatic) flags: readable, writable Integer. Range: -1 - 250 Default: -1 Current: -1 pass : Encoding pass/type flags: readable, writable Enum "GstX264EncPass" Default: 0, "cbr" Current: 0, "cbr" (0): cbr - Constant Bitrate Encoding (4): quant - Constant Quantizer (5): qual - Constant Quality (17): pass1 - VBR Encoding - Pass 1 (18): pass2 - VBR Encoding - Pass 2 (19): pass3 - VBR Encoding - Pass 3 quantizer : Constant quantizer or quality to apply flags: readable, writable Unsigned Integer. Range: 1 - 50 Default: 21 Current: 21 stats-file : Filename for multipass statistics (deprecated, use multipass-cache-file) flags: readable, writable String. Default: "x264.log" Current: "x264.log" multipass-cache-file: Filename for multipass cache file flags: readable, writable String. Default: "x264.log" Current: "x264.log" byte-stream : Generate byte stream format of NALU flags: readable, writable Boolean. Default: false Current: false bitrate : Bitrate in kbit/sec flags: readable, writable Unsigned Integer. Range: 1 - 102400 Default: 2048 Current: 2048 intra-refresh : Use Periodic Intra Refresh instead of IDR frames flags: readable, writable Boolean. Default: false Current: false vbv-buf-capacity : Size of the VBV buffer in milliseconds flags: readable, writable Unsigned Integer. Range: 300 - 10000 Default: 600 Current: 600 me : Integer pixel motion estimation method flags: readable, writable Enum "GstX264EncMe" Default: 1, "hex" Current: 1, "hex" (0): dia - dia (1): hex - hex (2): umh - umh (3): esa - esa (4): tesa - tesa subme : Subpixel motion estimation and partition decision quality: 1=fast, 6=best flags: readable, writable Unsigned Integer. Range: 1 - 6 Default: 1 Current: 1 analyse : Partitions to consider flags: readable, writable Flags "GstX264EncAnalyse" Default: 0x00000000, "(none)" Current: 0x00000000, "(none)" (0x00000001): i4x4 - i4x4 (0x00000002): i8x8 - i8x8 (0x00000010): p8x8 - p8x8 (0x00000020): p4x4 - p4x4 (0x00000100): b8x8 - b8x8 dct8x8 : Adaptive spatial transform size flags: readable, writable Boolean. Default: false Current: false ref : Number of reference frames flags: readable, writable Unsigned Integer. Range: 1 - 12 Default: 1 Current: 1 bframes : Number of B-frames between I and P flags: readable, writable Unsigned Integer. Range: 0 - 4 Default: 0 Current: 0 b-adapt : Automatically decide how many B-frames to use flags: readable, writable Boolean. Default: true Current: true b-pyramid : Keep some B-frames as references flags: readable, writable Boolean. Default: false Current: false weightb : Weighted prediction for B-frames flags: readable, writable Boolean. Default: false Current: false sps-id : SPS and PPS ID number flags: readable, writable Unsigned Integer. Range: 0 - 31 Default: 0 Current: 0 aud : Use AU (Access Unit) delimiter flags: readable, writable Boolean. Default: true Current: true trellis : Enable trellis searched quantization flags: readable, writable Boolean. Default: true Current: true key-int-max : Maximal distance between two key-frames (0 for automatic) flags: readable, writable Unsigned Integer. Range: 0 - 2147483647 Default: 0 Current: 0 cabac : Enable CABAC entropy coding flags: readable, writable Boolean. Default: true Current: true qp-min : Minimum quantizer flags: readable, writable Unsigned Integer. Range: 1 - 51 Default: 10 Current: 10 qp-max : Maximum quantizer flags: readable, writable Unsigned Integer. Range: 1 - 51 Default: 51 Current: 51 qp-step : Maximum quantizer difference between frames flags: readable, writable Unsigned Integer. Range: 1 - 50 Default: 4 Current: 4 ip-factor : Quantizer factor between I- and P-frames flags: readable, writable Float. Range: 0 - 2 Default: 1.4 Current: 1.4 pb-factor : Quantizer factor between P- and B-frames flags: readable, writable Float. Range: 0 - 2 Default: 1.3 Current: 1.3 mb-tree : Macroblock-Tree ratecontrol flags: readable, writable Boolean. Default: true Current: true rc-lookahead : Number of frames for frametype lookahead flags: readable, writable Integer. Range: 0 - 250 Default: 40 Current: 40 noise-reduction : Noise reduction strength flags: readable, writable Unsigned Integer. Range: 0 - 100000 Default: 0 Current: 0 interlaced : Interlaced material flags: readable, writable Boolean. Default: false Current: false option-string : String of x264 options (overridden by element properties) flags: readable, writable String. Default: "" Current: "" profile : Apply restrictions to meet H.264 Profile constraints. This will override other properties if necessary. flags: readable, writable Enum "GstX264EncProfile" Default: 2, "main" Current: 2, "main" (0): None - No profile (1): baseline - baseline (2): main - main (3): high - high (4): high10 - high10 speed-preset : Preset name for speed/quality tradeoff options (can affect decode compatibility - impose restrictions separately for your target decoder) flags: readable, writable Enum "GstX264EncPreset" Default: 6, "medium" Current: 6, "medium" (0): None - No preset (1): ultrafast - ultrafast (2): superfast - superfast (3): veryfast - veryfast (4): faster - faster (5): fast - fast (6): medium - medium (7): slow - slow (8): slower - slower (9): veryslow - veryslow (10): placebo - placebo psy-tune : Preset name for psychovisual tuning options flags: readable, writable Enum "GstX264EncPsyTune" Default: 0, "none" Current: 0, "none" (0): none - No tuning (1): film - Film (2): animation - Animation (3): grain - Grain (4): psnr - PSNR (5): ssim - SSIM tune : Preset name for non-psychovisual tuning options flags: readable, writable Flags "GstX264EncTune" Default: 0x00000000, "none" Current: 0x00000000, "none" (0x00000000): none - No tuning (0x00000001): stillimage - Still image (0x00000002): fastdecode - Fast decode (0x00000004): zerolatency - Zero latency