libav-12.3.tar.gz: libav-12.3/Changelog

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12.2_vs_12.3.

1 Entries are sorted chronologically from oldest to youngest within each release, 2 releases are sorted from youngest to oldest. 3 4 version 12.3: 5 6 - pictor: Correctly check frame dimension (CVE-2017-7862) 7 - smacker: add sanity check for length in smacker_decode_tree() (CVE-2017-16803) 8 - smacker: limit recursion depth of smacker_decode_bigtree 9 - cmdutils: update copyright year to 2018 10 - matroskadec: allow RealAudio/Cook/Sipro streams of flavor 0 (bug/1055) 11 - avconv: only retry decoding on actual decoding errors (bug/1089) 12 - vc1: skip motion compensation when data for last picture is invalid (bug/1101) 13 - avcodec/vc1dec: fix mby_start for interlaced content (bug/1100) 14 15 version 12.2: 16 17 - mpegvideo_motion: Handle edge emulation even without unrestricted_mv (bug/962, bug/1060) 18 - smacker: Check that the data size is a multiple of a sample vector (CVE-2015-8365) 19 - build: Add an option for passing linker flags to the shared library build 20 - configure: Simplify and fix libxcb check 21 - openssl: Support version 1.1.0. 22 - rtmpdh: Don't use the OpenSSL DH struct 23 - dvbsubdec: Fixed segfault when decoding subtitles 24 - doc: Drop the legacy symlink to README 25 - dfa: Disallow odd width/height and add proper bounds check for DDS1 chunks (CVE-2017-9992) 26 - rmdec: don't ignore the return value of av_get_packet() 27 - caf: add an Opus tag 28 - h264dec: Fix mix of lossless and lossy MBs decoding 29 - h264_cabac: Fix CABAC+8x8dct in 4:4:4 30 - h264dec: fix Lossless Decoding (Profile 244) for 8x8 Intra Prediction 31 - h264dec: track the last seen value of x264_build 32 - h264dec: use a large enough field for reference list modification values 33 - yadif: Account for the buffer alignment while processing the frame edges (bug/1031) 34 - mov: log and return early on non-positive stsd entry counts 35 - mov: Do not set stsd_count if mov_read_stsd() fails 36 - mov: move stsd finalization to an appropriate place (bug/1072) 37 - arm: Fix SIGBUS on ARM when compiled with binutils 2.29 38 - smacker: return meaningful error codes on failure 39 - smacker: fix integer overflow with pts_inc (bug/1073) 40 41 version 12.1: 42 43 - vaapi_h264: fix RefPicList[] field flags. 44 - libilbc: support for latest git of libilbc 45 - libopusdec: default to stereo for invalid number of channels 46 - avpacket: fix leak on realloc in av_packet_add_side_data() 47 - mpegvideo: Return correct coded frame sizes from parser 48 - hwcontext_vaapi: Don't abort on failing to allocate from a fixed-size pool 49 - mov: Update colr values 50 - avconv: Fix the audio next dts computation 51 - mss2: only use error correction for matching block counts 52 - h264_slice: Wait for refs to be available before we use them in error concealment 53 - hevc: decouple calling get_format() from exporting the SPS parameters 54 - hevcdec: do not set decoder-global SPS prematurely 55 - mov: fix a possible invalid read in mov_read_mac_string() (bug/972, bug/1003) 56 - mpegvideo_parser: avoid signed overflow in bitrate calculation (bug/981) 57 - mpeg12dec: avoid signed overflow in bitrate calculation (bug/981) 58 - mpeg12dec: move setting first_field to mpeg_field_start() (bug/999) 59 - h264dec: make sure to only end a field if it has been started (bug/977, bug/978, bug/992) 60 - matroskadec: fix SRT subtitle duration 61 - http: Check for negative chunk sizes 62 - cmdutils: update copyright year to 2017 63 - matroskadec: make sure not to leave EbmlBin in an inconsistent state (bug/1001) 64 - asfdec: Use the ASF stream count when iterating 65 - aac: Validate the sbr sample rate before using the value (bug/1027) 66 - mov: Do not try to parse multiple stsd for the same track (bug/1017) 67 - vf_fade: Make sure to not miss the last lines of a frame 68 - asfdec: Account for different Format Data sizes (bug/1020) 69 - asfdec: fix reading files larger than 2GB 70 - h264dec: fix dropped initial SEI recovery point 71 - rtmppkt: Check for packet size mismatches 72 - apetag: fix flag value to signal footer presence 73 - apetag: account for header size if present when returning the start position 74 - lavc: make sure not to return EAGAIN from codecs 75 - h264dec: initialize field_started to 0 on each decode call (bug/1019) 76 - h2645_parse: use the bytestream2 API for packet splitting (bug/1002) 77 - h264_cavlc: check the value of run_before (bug/1000) 78 - nsvdec: don't ignore the return value of av_get_packet() (bug/1039) 79 - mpeg4videodec: raise an error if sprite_trajectory.table is NULL (bug/1012) 80 - dca: Validate the channel map (bug/1016) 81 - avformat: Free the internal codec context at the end 82 - dca: Account for lfe when checking for the channel count (bug/1037) 83 - flv: Validate the packet size (bug/1041) 84 - mjpeg: Report non-3 component rgb lossless as not supported (bug/1043) 85 - mm: Skip unexpected audio packets (bug/1046) 86 - vc1dec: raise an error if sprite picture data is missing (bug/1013) 87 - avplay: Do not try to allocate new frames when the player is closing (bug/1052) 88 - avprobe: Handle unknown values for the color description (bug/1040) 89 - aacsbr: Turnoff in the event of over read. (bug/1047) 90 - h264_refs: validate the SPS pointer in ff_h264_execute_ref_pic_marking() (bug/1036) 91 92 version 12: 93 - aliases and defaults for Ogg subtypes (opus, spx) 94 - HEVC/H.265 RTP payload format (draft v6) packetizer and depacketizer 95 - avplay now exits by default at the end of playback 96 - XCB-based screen-grabber 97 - creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer 98 - H.261 RTP payload format (RFC 4587) depacketizer and experimental packetizer 99 - RTP/mpegts muxer 100 - VP8 in Ogg demuxing 101 - OpenH264 encoder wrapper 102 - Support DNx100 (960x720@8) 103 - Direct3D11-accelerated decoding 104 - DXVA2-accelerated HEVC decoding 105 - AAC ELD 480 decoding 106 - Intel QSV-accelerated H.264 decoding 107 - DSS SP decoder and DSS demuxer 108 - RTP depacketizer for AC3 payload format (RFC 4184) 109 - RTP depacketizer for loss tolerant payload format for MP3 audio (RFC 5219) 110 - RTP depacketizer for DV (RFC 6469) 111 - Canopus HQX decoder 112 - RTP depacketization of T.140 text (RFC 4103) 113 - VP9 RTP payload format (draft 0) experimental depacketizer 114 - TDSC decoder 115 - DTS lossless extension (XLL) decoding (not lossless, disabled by default) 116 - Intel QSV-accelerated H.264 encoding 117 - MMAL-accelerated H.264 decoding 118 - DTS decoding through libdcadec 119 - Canopus HQ/HQA decoder 120 - Automatically rotate videos based on metadata in avconv 121 - improved Quickdraw compatibility 122 - NVIDIA NVENC-accelerated H.264 and HEVC encoding support 123 - Multipart JPEG demuxer 124 - Support the extended vp9 profiles in the libvpx wrapper 125 - Hap decoder and encoder 126 - DirectDraw Surface image/texture decoder 127 - rewritten ASF demuxer 128 - Go2Meeting decoding support 129 - Intel QSV-accelerated MPEG-2 video and HEVC encoding 130 - bitstream filter for converting HEVC from MP4 to Annex B 131 - Intel QSV-accelerated MPEG-2 video and HEVC decoding 132 - Support DNx100 (1440x1080@8) 133 - DXV decoding 134 - Screenpresso SPV1 decoding 135 - zero-copy Intel QSV transcoding in avconv 136 - libkvazaar HEVC encoder 137 - innoHeim/Rsupport Screen Capture Codec decoder 138 - support encoding 16-bit RLE SGI images 139 - support Apple AVFoundation video capture 140 - G.723.1 muxer and encoder 141 - compressed SWF 142 - VAAPI-accelerated format conversion and scaling 143 - libnpp/CUDA-accelerated format conversion and scaling 144 - VAAPI-accelerate H.264/HEVC/MJPEG encoding 145 - Generic OpenMAX IL encoder with support for Raspberry Pi 146 - MMAL-accelerated MPEG-2 and VC-1 decoding 147 - G.729 raw demuxer 148 - MagicYUV decoder 149 - Duck TrueMotion 2.0 Real Time decoder 150 - Intel QSV video scaling and deinterlacing filter 151 - Support MOV with multiple sample description tables 152 - OpenH264 decoder wrapper 153 - Removed the legacy X11 screen grabber, use XCB instead 154 - HDCD decoding filter through libhdcd 155 156 157 version 11: 158 - libx265 encoder 159 - shuffleplanes filter 160 - replaygain data export 161 - Alias PIX image encoder and decoder 162 - BRender PIX image decoder 163 - Amazing Studio PAF playback support 164 - XBM decoder 165 - BMP standalone parser 166 - OpenEXR image decoder 167 - support encoding and decoding 4-channel SGI images 168 - support decoding 16-bit RLE SGI images 169 - VP7 video decoder 170 - LucasArts SMUSH SANM video decoder 171 - LucasArts SMUSH VIMA audio decoder (ADPCM) 172 - LucasArts SMUSH demuxer 173 - MP2 encoding via TwoLAME 174 - asettb filter 175 - Silicon Graphics RLE 8-bit video decoder 176 - Silicon Graphics Motion Video Compressor 1 & 2 decoder 177 - Silicon Graphics Movie demuxer 178 - On2 AVC (Audio for Video) decoder 179 - support for decoding through DXVA2 in avconv 180 - libbs2b-based stereo-to-binaural audio filter 181 - native Opus decoder 182 - display matrix export and rotation API 183 - drop avserver, it was unmaintained for years and largely broken 184 - Icecast protocol 185 - request Icecast metadata by default 186 - support for using metadata in stream specifiers in avtools 187 - Matroska 3D support 188 189 190 version 10: 191 - av_strnstr 192 - support ID3v2 tags in ASF files 193 - reference-counting for AVFrame and AVPacket data 194 - avconv now fails when input options are used for output file 195 or vice versa 196 - avconv options -filter_script and -filter_complex_script, which allow a 197 filtergraph description to be read from a file 198 - uniform options syntax across all filters 199 - interlace filter 200 - JPEG 2000 decoder 201 - asetpts filter (same as setpts, but for audio) 202 - trim and atrim filters 203 - avconv -t and -ss (output-only) options are now sample-accurate when 204 transcoding audio 205 - Matroska muxer can now put the index at the beginning of the file. 206 - avconv -deinterlace option removed, the yadif filter should be used instead 207 - Apple Intermediate Codec decoder 208 - Escape 130 video decoder 209 - support for slice multithreading in libavfilter 210 - VC-1 interlaced B-frame support 211 - support for WavPack muxing (raw and in Matroska) 212 - Go2Webinar decoder 213 - WavPack encoding through libwavpack 214 - Added the -n parameter to avconv 215 - RTMP seek support 216 - when transcoding with avconv (i.e. not streamcopying), -ss is now accurate 217 even when used as an input option. Previous behavior can be restored with 218 the -noaccurate_seek option. 219 - avconv -t option can now be used for inputs, to limit the duration of 220 data read from an input file 221 - Voxware MetaSound decoder 222 - WebP decoder 223 - Error Resilient AAC syntax (ER AAC LC) decoding 224 - Low Delay AAC (ER AAC LD) decoding 225 - mux chapters in ASF files 226 - Opus in Ogg demuxing 227 - Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support) 228 - F4V muxer 229 - HNM version 4 demuxer and video decoder 230 - HEVC decoder 231 - raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing 232 - remove avplay -vismv option, which has not worked for a long time 233 - Live HDS muxer 234 - setsar/setdar filters now support variables in ratio expressions 235 - dar variable in the scale filter now returns the actual DAR (i.e. a * sar) 236 - VP9 decoder 237 - support for decoding through VDPAU in avconv (the -hwaccel option) 238 - remove mp3_header_(de)compress bitstream filters 239 - stereoscopic 3d metadata handling 240 - png standalone parser 241 - WebP encoding via libwebp 242 - ATRAC3+ decoder 243 - framepack filter 244 - Mirillis FIC video decoder 245 - Support DNx444 246 - compand audio filter 247 248 249 version 9: 250 - av_basename and av_dirname 251 - adobe and limelight publisher authentication in RTMP 252 - VDPAU hardware acceleration through normal hwaccel 253 - SRTP support 254 255 256 version 9_beta3: 257 - ashowinfo audio filter 258 - 24-bit FLAC encoding 259 - audio volume filter 260 - deprecated the avconv -vol option. the volume filter is to be used instead. 261 - multi-channel ALAC encoding up to 7.1 262 - TAK demuxer, parser, and decoder 263 - adaptive frame-level multithreading for H.264 264 265 266 version 9_beta2: 267 - metadata (INFO tag) support in WAV muxer 268 - support for building DLLs using MSVC 269 - remove avserver daemon mode 270 - support building on the Plan 9 operating system 271 - ffv1: support version 1.3 272 273 274 version 9_beta1: 275 276 - XWD encoder and decoder 277 - Support for fragmentation in the mov/mp4 muxer 278 - ISMV (Smooth Streaming) muxer 279 - CDXL demuxer and decoder 280 - Apple ProRes encoder 281 - Sun Rasterfile Encoder 282 - remove libpostproc 283 - ID3v2 attached pictures reading and writing 284 - WMA Lossless decoder 285 - XBM encoder 286 - RealAudio Lossless decoder 287 - ZeroCodec decoder 288 - drop support for avconv without libavfilter 289 - add libavresample audio conversion library 290 - audio filters support in libavfilter and avconv 291 - add fps filter 292 - audio split filter 293 - audio mix filter 294 - avprobe output is now standard INI or JSON. The old format can still 295 be used with -of old. 296 - Indeo Audio decoder 297 - channelsplit audio filter 298 - RTMPT protocol support 299 - iLBC encoding/decoding via libilbc 300 - Microsoft Screen 1 decoder 301 - join audio filter 302 - audio channel mapping filter 303 - Microsoft ATC Screen decoder 304 - RTSP listen mode 305 - TechSmith Screen Codec 2 decoder 306 - AAC encoding via libfdk-aac 307 - Microsoft Expression Encoder Screen decoder 308 - RTMPS protocol support 309 - RTMPTS protocol support 310 - JPEG 2000 encoding support through OpenJPEG 311 - G.723.1 demuxer and decoder 312 - RTMPE protocol support 313 - RTMPTE protocol support 314 - Canopus Lossless Codec decoder 315 - avconv -shortest option is now per-output file, 316 -pass and -passlogfile are now per-output stream 317 - Ut Video encoder 318 - Microsoft Screen 2 decoder 319 - RTP depacketization of JPEG 320 - Smooth Streaming live segmenter muxer 321 - RTP packetization of JPEG 322 - Opus decoder and encoder using libopus 323 - remove -same_quant, it hasn't worked for years 324 - support for building with MSVC 325 326 327 version 0.8: 328 329 - GSM audio parser 330 - SMJPEG muxer 331 332 333 version 0.8_beta2: 334 335 - Automatic thread count based on detection number of (available) CPU cores 336 - Deprecate libpostproc. If desired, the switch --enable-postproc will 337 enable it but it may be removed in a later Libav release. 338 - rv34: frame-level multi-threading 339 - optimized iMDCT transform on x86 using SSE for for mpegaudiodec 340 341 342 version 0.8_beta1: 343 344 - BWF muxer 345 - Flash Screen Video 2 decoder 346 - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver 347 - ffmpeg deprecated, added avconv, which is almost the same for now, except 348 for a few incompatible changes in the options, which will hopefully make them 349 easier to use. The changes are: 350 * The options placement is now strictly enforced! While in theory the 351 options for ffmpeg should be given in [input options] -i INPUT [output 352 options] OUTPUT order, in practice it was possible to give output options 353 before the -i and it mostly worked. Except when it didn't - the behavior was 354 a bit inconsistent. In avconv, it is not possible to mix input and output 355 options. All non-global options are reset after an input or output filename. 356 * All per-file options are now truly per-file - they apply only to the next 357 input or output file and specifying different values for different files 358 will now work properly (notably -ss and -t options). 359 * All per-stream options are now truly per-stream - it is possible to 360 specify which stream(s) should a given option apply to. See the Stream 361 specifiers section in the avconv manual for details. 362 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the 363 sense that they're specified after the output filename instead of before, 364 like all other options. In avconv this irregularity is removed, all options 365 apply to the next input or output file. 366 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they 367 irregular and highly confusing, they were also redundant. In avconv the -map 368 option will create new streams in the output file and map input streams to 369 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for 370 each stream in the first input file. 371 * The -map option now has slightly different and more powerful syntax: 372 + Colons (':') are used to separate file index/stream type/stream index 373 instead of dots. Comma (',') is used to separate the sync stream instead 374 of colon.. This is done for consistency with other options. 375 + It's possible to specify stream type. E.g. -map 0:a:2 creates an 376 output stream from the third input audio stream. 377 + Omitting the stream index now maps all the streams of the given type, 378 not just the first. E.g. -map 0:s creates output streams for all the 379 subtitle streams in the first input file. 380 + Since -map can now match multiple streams, negative mappings were 381 introduced. Negative mappings disable some streams from an already 382 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for 383 all the stream in the first input file, except for the second audio 384 stream'. 385 * There is a new option -c (or -codec) for choosing the decoder/encoder to 386 use, which allows to precisely specify target stream(s) consistently with 387 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0 388 libvorbis sets the codec for the first audio stream and -c copy copies all 389 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now 390 aliases to -c:v/a/s 391 * It is now possible to precisely specify which stream should an AVOption 392 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while 393 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k 394 syntax is deprecated and will stop working soon. 395 * -map_chapters now takes only an input file index and applies to the next 396 output file. This is consistent with how all the other options work. 397 * -map_metadata now takes only an input metadata specifier and applies to 398 the next output file. Output metadata specifier is now part of the option 399 name, similarly to the AVOptions/map/codec feature above. 400 * -metadata can now be used to set metadata on streams and chapters, e.g. 401 -metadata:s:1 language=eng sets the language of the first stream to 'eng'. 402 This made -vlang/-alang/-slang options redundant, so they were removed. 403 * -qscale option now uses stream specifiers and applies to all streams, not 404 just video. I.e. plain -qscale number would now apply to all streams. To get 405 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale 406 and -aq is now an alias for -q:a. 407 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which 408 uses stream specifiers. Use -bsf:v/a/s instead of the old options. 409 * -itsscale option now uses stream specifiers, so its argument is only the 410 scale parameter. 411 * -intra option was removed, use -g 0 for the same effect. 412 * -psnr option was removed, use -flags +psnr for the same effect. 413 * -vf option is now an alias to the new -filter option, which uses stream specifiers. 414 * -vframes/-aframes/-dframes options are now aliases to the new -frames option. 415 * -vtag/-atag/-stag options are now aliases to the new -tag option. 416 - XMV demuxer 417 - Windows Media Image decoder 418 - LATM muxer/demuxer 419 - showinfo filter 420 - split filter 421 - libcdio-paranoia input device for audio CD grabbing 422 - select filter 423 - Apple ProRes decoder 424 - CELT in Ogg demuxing 425 - VC-1 interlaced decoding 426 - lut, lutrgb, and lutyuv filters 427 - boxblur filter 428 - Ut Video decoder 429 - Speex encoding via libspeex 430 - 4:2:2 H.264 decoding support 431 - 4:2:2 and 4:4:4 H.264 encoding with libx264 432 - Pulseaudio input device 433 - replacement Indeo 3 decoder 434 - TLS/SSL and HTTPS protocol support 435 - AVOptions API rewritten and documented 436 - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in 437 AVCodecContext deprecated. Codec private options should be used instead. 438 - Properly working defaults in libx264 wrapper, support for native presets. 439 - Encrypted OMA files support 440 - Discworld II BMV decoding support 441 - VBLE Decoder 442 - OS X Video Decoder Acceleration (VDA) support 443 - CRI ADX audio format muxer and demuxer 444 - Playstation Portable PMP format demuxer 445 - PCM format support in OMA demuxer 446 - CLJR encoder 447 - Dxtory capture format decoder 448 - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder 449 - OpenMG Audio muxer 450 - Simple segmenting muxer 451 - Indeo 4 decoder 452 - SMJPEG demuxer 453 454 455 version 0.7: 456 457 - E-AC-3 audio encoder 458 - ac3enc: add channel coupling support 459 - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders 460 - H.264/MPEG frame-level multithreading 461 - av_metadata_* functions renamed to av_dict_* and moved to libavutil 462 - 4:4:4 H.264 decoding support 463 - 10-bit H.264 optimizations for x86 464 - bump libswscale for recently reported ABI break 465 466 467 version 0.7_beta2: 468 469 - VP8 frame-level multithreading 470 - NEON optimizations for VP8 471 - removed a lot of deprecated API cruft 472 - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors 473 - DPX image encoder 474 - SMPTE 302M AES3 audio decoder 475 - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead 476 - 9 bits and 10 bits per sample support in the H.264 decoder 477 478 479 version 0.7_beta1: 480 481 - WebM support in Matroska de/muxer 482 - low overhead Ogg muxing 483 - MMS-TCP support 484 - VP8 de/encoding via libvpx 485 - Demuxer for On2's IVF format 486 - Pictor/PC Paint decoder 487 - HE-AAC v2 decoder 488 - libfaad2 wrapper removed 489 - DTS-ES extension (XCh) decoding support 490 - native VP8 decoder 491 - RTSP tunneling over HTTP 492 - RTP depacketization of SVQ3 493 - -strict inofficial replaced by -strict unofficial 494 - ffplay -exitonkeydown and -exitonmousedown options added 495 - native GSM / GSM MS decoder 496 - RTP depacketization of QDM2 497 - ANSI/ASCII art playback system 498 - Lego Mindstorms RSO de/muxer 499 - SubRip subtitle file muxer and demuxer 500 - Chinese AVS encoding via libxavs 501 - ffprobe -show_packets option added 502 - RTP packetization of Theora and Vorbis 503 - RTP depacketization of MP4A-LATM 504 - RTP packetization and depacketization of VP8 505 - hflip filter 506 - Apple HTTP Live Streaming demuxer 507 - a64 codec 508 - MMS-HTTP support 509 - G.722 ADPCM audio encoder/decoder 510 - R10k video decoder 511 - ocv_smooth filter 512 - frei0r wrapper filter 513 - change crop filter syntax to width:height:x:y 514 - make the crop filter accept parametric expressions 515 - make ffprobe accept AVFormatContext options 516 - yadif filter 517 - blackframe filter 518 - Demuxer for Leitch/Harris' VR native stream format (LXF) 519 - RTP depacketization of the X-QT QuickTime format 520 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer 521 - cropdetect filter 522 - ffmpeg -crop* options removed 523 - transpose filter added 524 - ffmpeg -force_key_frames option added 525 - demuxer for receiving raw rtp:// URLs without an SDP description 526 - single stream LATM/LOAS decoder 527 - setpts filter added 528 - Win64 support for optimized x86 assembly functions 529 - MJPEG/AVI1 to JPEG/JFIF bitstream filter 530 - ASS subtitle encoder and decoder 531 - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough) 532 - overlay filter added 533 - rename aspect filter to setdar, and pixelaspect to setsar 534 - IEC 61937 demuxer 535 - Mobotix .mxg demuxer 536 - frei0r source added 537 - hqdn3d filter added 538 - RTP depacketization of QCELP 539 - FLAC parser added 540 - gradfun filter added 541 - AMR-WB decoder 542 - replace the ocv_smooth filter with a more generic ocv filter 543 - Windows Televison (WTV) demuxer 544 - FFmpeg metadata format muxer and demuxer 545 - SubRip (srt) subtitle decoder 546 - floating-point AC-3 encoder added 547 - Lagarith decoder 548 - ffmpeg -copytb option added 549 - IVF muxer added 550 - Wing Commander IV movies decoder added 551 - movie source added 552 - Bink version 'b' audio and video decoder 553 - Bitmap Brothers JV playback system 554 - Apple HTTP Live Streaming protocol handler 555 - sndio support for playback and record 556 - Linux framebuffer input device added 557 - Chronomaster DFA decoder 558 - Mobotix MxPEG decoder 559 - AAC encoding via libvo-aacenc 560 - AMR-WB encoding via libvo-amrwbenc 561 - xWMA demuxer 562 - fieldorder video filter added 563 564 565 version 0.6: 566 567 - PB-frame decoding for H.263 568 - deprecated vhook subsystem removed 569 - deprecated old scaler removed 570 - VQF demuxer 571 - Alpha channel scaler 572 - PCX encoder 573 - RTP packetization of H.263 574 - RTP packetization of AMR 575 - RTP depacketization of Vorbis 576 - CorePNG decoding support 577 - Cook multichannel decoding support 578 - introduced avlanguage helpers in libavformat 579 - 8088flex TMV demuxer and decoder 580 - per-stream language-tags extraction in asfdec 581 - V210 decoder and encoder 582 - remaining GPL parts in AC-3 decoder converted to LGPL 583 - QCP demuxer 584 - SoX native format muxer and demuxer 585 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries 586 - DPX image decoder 587 - Electronic Arts Madcow decoder 588 - DivX (XSUB) subtitle encoder 589 - nonfree libamr support for AMR-NB/WB decoding/encoding removed 590 - experimental AAC encoder 591 - RTP depacketization of ASF and RTSP from WMS servers 592 - RTMP support in libavformat 593 - noX handling for OPT_BOOL X options 594 - Wave64 demuxer 595 - IEC-61937 compatible Muxer 596 - TwinVQ decoder 597 - Bluray (PGS) subtitle decoder 598 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks) 599 - WMA Pro decoder 600 - Core Audio Format demuxer 601 - ATRAC1 decoder 602 - MD STUDIO audio demuxer 603 - RF64 support in WAV demuxer 604 - MPEG-4 Audio Lossless Coding (ALS) decoder 605 - -formats option split into -formats, -codecs, -bsfs, and -protocols 606 - IV8 demuxer 607 - CDG demuxer and decoder 608 - R210 decoder 609 - Auravision Aura 1 and 2 decoders 610 - Deluxe Paint Animation playback system 611 - SIPR decoder 612 - Adobe Filmstrip muxer and demuxer 613 - RTP depacketization of H.263 614 - Bink demuxer and audio/video decoders 615 - enable symbol versioning by default for linkers that support it 616 - IFF PBM/ILBM bitmap decoder 617 - concat protocol 618 - Indeo 5 decoder 619 - RTP depacketization of AMR 620 - WMA Voice decoder 621 - ffprobe tool 622 - AMR-NB decoder 623 - RTSP muxer 624 - HE-AAC v1 decoder 625 - Kega Game Video (KGV1) decoder 626 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files 627 - RTP depacketization of Theora 628 - HTTP Digest authentication 629 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp 630 - Psygnosis YOP demuxer and video decoder 631 - spectral extension support in the E-AC-3 decoder 632 - unsharp video filter 633 - RTP hinting in the mov/3gp/mp4 muxer 634 - Dirac in Ogg demuxing 635 - seek to keyframes in Ogg 636 - 4:2:2 and 4:4:4 Theora decoding 637 - 35% faster VP3/Theora decoding 638 - faster AAC decoding 639 - faster H.264 decoding 640 - RealAudio 1.0 (14.4K) encoder 641 642 643 version 0.5: 644 645 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer 646 - TechSmith Camtasia (TSCC) video decoder 647 - IBM Ultimotion (ULTI) video decoder 648 - Sierra Online audio file demuxer and decoder 649 - Apple QuickDraw (qdrw) video decoder 650 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes) 651 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer 652 - Miro VideoXL (VIXL) video decoder 653 - H.261 video encoder 654 - QPEG video decoder 655 - Nullsoft Video (NSV) file demuxer 656 - Shorten audio decoder 657 - LOCO video decoder 658 - Apple Lossless Audio Codec (ALAC) decoder 659 - Winnov WNV1 video decoder 660 - Autodesk Animator Studio Codec (AASC) decoder 661 - Indeo 2 video decoder 662 - Fraps FPS1 video decoder 663 - Snow video encoder/decoder 664 - Sonic audio encoder/decoder 665 - Vorbis audio decoder 666 - Macromedia ADPCM decoder 667 - Duck TrueMotion 2 video decoder 668 - support for decoding FLX and DTA extensions in FLIC files 669 - H.264 custom quantization matrices support 670 - ffserver fixed, it should now be usable again 671 - QDM2 audio decoder 672 - Real Cooker audio decoder 673 - TrueSpeech audio decoder 674 - WMA2 audio decoder fixed, now all files should play correctly 675 - RealAudio 14.4 and 28.8 decoders fixed 676 - JPEG-LS decoder 677 - build system improvements 678 - tabs and trailing whitespace removed from the codebase 679 - CamStudio video decoder 680 - AIFF/AIFF-C audio format, encoding and decoding 681 - ADTS AAC file reading and writing 682 - Creative VOC file reading and writing 683 - American Laser Games multimedia (*.mm) playback system 684 - Zip Motion Blocks Video decoder 685 - improved Theora/VP3 decoder 686 - True Audio (TTA) decoder 687 - AVS demuxer and video decoder 688 - JPEG-LS encoder 689 - Smacker demuxer and decoder 690 - NuppelVideo/MythTV demuxer and RTjpeg decoder 691 - KMVC decoder 692 - MPEG-2 intra VLC support 693 - MPEG-2 4:2:2 encoder 694 - Flash Screen Video decoder 695 - GXF demuxer 696 - Chinese AVS decoder 697 - GXF muxer 698 - MXF demuxer 699 - VC-1/WMV3/WMV9 video decoder 700 - MacIntel support 701 - AviSynth support 702 - VMware video decoder 703 - VP5 video decoder 704 - VP6 video decoder 705 - WavPack lossless audio decoder 706 - Targa (.TGA) picture decoder 707 - Vorbis audio encoder 708 - Delphine Software .cin demuxer/audio and video decoder 709 - Tiertex .seq demuxer/video decoder 710 - MTV demuxer 711 - TIFF picture encoder and decoder 712 - GIF picture decoder 713 - Intel Music Coder decoder 714 - Zip Motion Blocks Video encoder 715 - Musepack decoder 716 - Flash Screen Video encoder 717 - Theora encoding via libtheora 718 - BMP encoder 719 - WMA encoder 720 - GSM-MS encoder and decoder 721 - DCA decoder 722 - DXA demuxer and decoder 723 - DNxHD decoder 724 - Gamecube movie (.THP) playback system 725 - Blackfin optimizations 726 - Interplay C93 demuxer and video decoder 727 - Bethsoft VID demuxer and video decoder 728 - CRYO APC demuxer 729 - ATRAC3 decoder 730 - V.Flash PTX decoder 731 - RoQ muxer, RoQ audio encoder 732 - Renderware TXD demuxer and decoder 733 - extern C declarations for C++ removed from headers 734 - sws_flags command line option 735 - codebook generator 736 - RoQ video encoder 737 - QTRLE encoder 738 - OS/2 support removed and restored again 739 - AC-3 decoder 740 - NUT muxer 741 - additional SPARC (VIS) optimizations 742 - Matroska muxer 743 - slice-based parallel H.264 decoding 744 - Monkey's Audio demuxer and decoder 745 - AMV audio and video decoder 746 - DNxHD encoder 747 - H.264 PAFF decoding 748 - Nellymoser ASAO decoder 749 - Beam Software SIFF demuxer and decoder 750 - libvorbis Vorbis decoding removed in favor of native decoder 751 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1 752 - Ogg (Theora, Vorbis and FLAC) muxer 753 - The "device" muxers and demuxers are now in a new libavdevice library 754 - PC Paintbrush PCX decoder 755 - Sun Rasterfile decoder 756 - TechnoTrend PVA demuxer 757 - Linux Media Labs MPEG-4 (LMLM4) demuxer 758 - AVM2 (Flash 9) SWF muxer 759 - QT variant of IMA ADPCM encoder 760 - VFW grabber 761 - iPod/iPhone compatible mp4 muxer 762 - Mimic decoder 763 - MSN TCP Webcam stream demuxer 764 - RL2 demuxer / decoder 765 - IFF demuxer 766 - 8SVX audio decoder 767 - non-recursive Makefiles 768 - BFI demuxer 769 - MAXIS EA XA (.xa) demuxer / decoder 770 - BFI video decoder 771 - OMA demuxer 772 - MLP/TrueHD decoder 773 - Electronic Arts CMV decoder 774 - Motion Pixels Video decoder 775 - Motion Pixels MVI demuxer 776 - removed animated GIF decoder/demuxer 777 - D-Cinema audio muxer 778 - Electronic Arts TGV decoder 779 - Apple Lossless Audio Codec (ALAC) encoder 780 - AAC decoder 781 - floating point PCM encoder/decoder 782 - MXF muxer 783 - DV100 AKA DVCPRO HD decoder and demuxer 784 - E-AC-3 support added to AC-3 decoder 785 - Nellymoser ASAO encoder 786 - ASS and SSA demuxer and muxer 787 - liba52 wrapper removed 788 - SVQ3 watermark decoding support 789 - Speex decoding via libspeex 790 - Electronic Arts TGQ decoder 791 - RV40 decoder 792 - QCELP / PureVoice decoder 793 - RV30 decoder 794 - hybrid WavPack support 795 - R3D REDCODE demuxer 796 - ALSA support for playback and record 797 - Electronic Arts TQI decoder 798 - OpenJPEG based JPEG 2000 decoder 799 - NC (NC4600) camera file demuxer 800 - Gopher client support 801 - MXF D-10 muxer 802 - generic metadata API 803 804 805 version 0.4.9-pre1: 806 807 - DV encoder, DV muxer 808 - Microsoft RLE video decoder 809 - Microsoft Video-1 decoder 810 - Apple Animation (RLE) decoder 811 - Apple Graphics (SMC) decoder 812 - Apple Video (RPZA) decoder 813 - Cinepak decoder 814 - Sega FILM (CPK) file demuxer 815 - Westwood multimedia support (VQA & AUD files) 816 - Id Quake II CIN playback support 817 - 8BPS video decoder 818 - FLIC playback support 819 - RealVideo 2.0 (RV20) decoder 820 - Duck TrueMotion v1 (DUCK) video decoder 821 - Sierra VMD demuxer and video decoder 822 - MSZH and ZLIB decoder support 823 - SVQ1 video encoder 824 - AMR-WB support 825 - PPC optimizations 826 - rate distortion optimal cbp support 827 - rate distorted optimal ac prediction for MPEG-4 828 - rate distorted optimal lambda->qp support 829 - AAC encoding with libfaac 830 - Sunplus JPEG codec (SP5X) support 831 - use Lagrange multiplier instead of QP for ratecontrol 832 - Theora/VP3 decoding support 833 - XA and ADX ADPCM codecs 834 - export MPEG-2 active display area / pan scan 835 - Add support for configuring with IBM XLC 836 - floating point AAN DCT 837 - initial support for zygo video (not complete) 838 - RGB ffv1 support 839 - new audio/video parser API 840 - av_log() system 841 - av_read_frame() and av_seek_frame() support 842 - missing last frame fixes 843 - seek by mouse in ffplay 844 - noise reduction of DCT coefficients 845 - H.263 OBMC & 4MV support 846 - H.263 alternative inter vlc support 847 - H.263 loop filter 848 - H.263 slice structured mode 849 - interlaced DCT support for MPEG-2 encoding 850 - stuffing to stay above min_bitrate 851 - MB type & QP visualization 852 - frame stepping for ffplay 853 - interlaced motion estimation 854 - alternate scantable support 855 - SVCD scan offset support 856 - closed GOP support 857 - SSE2 FDCT 858 - quantizer noise shaping 859 - G.726 ADPCM audio codec 860 - MS ADPCM encoding 861 - multithreaded/SMP motion estimation 862 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263 863 - multithreaded/SMP decoding for MPEG-2 864 - FLAC decoder 865 - Metrowerks CodeWarrior suppport 866 - H.263+ custom pcf support 867 - nicer output for 'ffmpeg -formats' 868 - Matroska demuxer 869 - SGI image format, encoding and decoding 870 - H.264 loop filter support 871 - H.264 CABAC support 872 - nicer looking arrows for the motion vector visualization 873 - improved VCD support 874 - audio timestamp drift compensation 875 - MPEG-2 YUV 422/444 support 876 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample 877 - better image scaling 878 - H.261 support 879 - correctly interleave packets during encoding 880 - VIS optimized motion compensation 881 - intra_dc_precision>0 encoding support 882 - support reuse of motion vectors/MB types/field select values of the source video 883 - more accurate deblock filter 884 - padding support 885 - many optimizations and bugfixes 886 - FunCom ISS audio file demuxer and according ADPCM decoding 887 888 889 version 0.4.8: 890 891 - MPEG-2 video encoding (Michael) 892 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson) 893 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson 894 and Mario Brito) 895 - Xan DPCM audio decoder (Mario Brito) 896 - Interplay MVE playback subsystem (Mike Melanson) 897 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson) 898 899 900 version 0.4.7: 901 902 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq 903 (originally from public domain player for Amiga at http://www.honeypot.net/audio) 904 - current version now also compiles with older GCC (Fabrice) 905 - 4X multimedia playback system including 4xm file demuxer (Mike 906 Melanson), and 4X video and audio codecs (Michael) 907 - Creative YUV (CYUV) decoder (Mike Melanson) 908 - FFV1 codec (our very simple lossless intra only codec, compresses much better 909 than HuffYUV) (Michael) 910 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various) 911 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with 912 alpha support), JPEG YUV colorspace support. (Fabrice Bellard) 913 - ffplay has been replaced with a newer version which uses SDL (optionally) 914 for multiplatform support (Fabrice) 915 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated 916 by anonymous 917 - AMR format has been added (Johannes Carlsson) 918 - 3GP support has been added (Johannes Carlsson) 919 - VP3 codec has been added (Mike Melanson) 920 - more MPEG-1/2 fixes 921 - better multiplatform support, MS Visual Studio fixes (various) 922 - AltiVec optimizations (Magnus Damn and others) 923 - SH4 processor support has been added (BERO) 924 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick) 925 - VOB streaming support (Brian Foley) 926 - better MP3 autodetection (Andriy Rysin) 927 - qpel encoding (Michael) 928 - 4mv+b frames encoding finally fixed (Michael) 929 - chroma ME (Michael) 930 - 5 comparison functions for ME (Michael) 931 - B-frame encoding speedup (Michael) 932 - WMV2 codec (unfinished - Michael) 933 - user specified diamond size for EPZS (Michael) 934 - Playstation STR playback subsystem, still experimental (Mike and Michael) 935 - ASV2 codec (Michael) 936 - CLJR decoder (Alex) 937 938 .. And lots more new enhancements and fixes. 939 940 941 version 0.4.6: 942 943 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten 944 from scratch 945 - Recoded DCT and motion vector search with gcc (no longer depends on nasm) 946 - fix quantization bug in AC3 encoder 947 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues 948 - added prototype ffplay program 949 - added GOB header parsing on H.263/H.263+ decoder (Juanjo) 950 - bug fix on MCBPC tables of H.263 (Juanjo) 951 - bug fix on DC coefficients of H.263 (Juanjo) 952 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo) 953 - now we can decode H.263 streams found in QuickTime files (Juanjo) 954 - now we can decode H.263 streams found in VIVO v1 files(Juanjo) 955 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo) 956 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo) 957 - now H.263 picture size is returned on the first decoded frame (Juanjo) 958 - added first regression tests 959 - added MPEG-2 TS demuxer 960 - new demux API for libav 961 - more accurate and faster IDCT (Michael) 962 - faster and entropy-controlled motion search (Michael) 963 - two pass video encoding (Michael) 964 - new video rate control (Michael) 965 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael) 966 - great performance improvement of video encoders and decoders (Michael) 967 - new and faster bit readers and vlc parsers (Michael) 968 - high quality encoding mode: tries all macroblock/VLC types (Michael) 969 - added DV video decoder 970 - preliminary RTP/RTSP support in ffserver and libavformat 971 - H.263+ AIC decoding/encoding support (Juanjo) 972 - VCD MPEG-PS mode (Juanjo) 973 - PSNR stuff (Juanjo) 974 - simple stats output (Juanjo) 975 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit) 976 977 978 version 0.4.5: 979 980 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>) 981 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>) 982 - added configure system (actually a small shell script) 983 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by 984 Michael Hipp (temporary solution - waiting for integer only 985 decoder) 986 - fixed VIDIOCSYNC interrupt 987 - added Intel H.263 decoding support ('I263' AVI fourCC) 988 - added Real Video 1.0 decoding (needs further testing) 989 - simplified image formats again. Added PGM format (=grey 990 pgm). Renamed old PGM to PGMYUV. 991 - fixed msmpeg4 slice issues (tell me if you still find problems) 992 - fixed OpenDivX bugs with newer versions (added VOL header decoding) 993 - added support for MPlayer interface 994 - added macroblock skip optimization 995 - added MJPEG decoder 996 - added mmx/mmxext IDCT from libmpeg2 997 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer 998 <celer at shell.scrypt.net>) 999 - added pixel format conversion layer (e.g. for MJPEG or PPM) 1000 - added deinterlacing option 1001 - MPEG-1/2 fixes 1002 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>) 1003 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>). 1004 - Windows porting of file converter 1005 - added MJPEG raw format (input/ouput) 1006 - added JPEG image format support (input/output) 1007 1008 1009 version 0.4.4: 1010 1011 - fixed some std header definitions (Bjorn Lindgren 1012 <bjorn.e.lindgren at telia.com>). 1013 - added MPEG demuxer (MPEG-1 and 2 compatible). 1014 - added ASF demuxer 1015 - added prototype RM demuxer 1016 - added AC3 decoding (done with libac3 by Aaron Holtzman) 1017 - added decoding codec parameter guessing (.e.g. for MPEG, because the 1018 header does not include them) 1019 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now 1020 play them (only tested video) 1021 - fixed H.263 white bug 1022 - fixed phase rounding in img resample filter 1023 - add MMX code for polyphase img resample filter 1024 - added CPU autodetection 1025 - added generic title/author/copyright/comment string handling (ASF and RM 1026 use them) 1027 - added SWF demux to extract MP3 track (not usable yet because no MP3 1028 decoder) 1029 - added fractional frame rate support 1030 - codecs are no longer searched by read_header() (should fix ffserver 1031 segfault) 1032 1033 1034 version 0.4.3: 1035 1036 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>) 1037 - fixed raw yuv output 1038 - added motion rounding support in MPEG-4 1039 - fixed motion bug rounding in MSMPEG4 1040 - added B-frame handling in video core 1041 - added full MPEG-1 decoding support 1042 - added partial (frame only) MPEG-2 support 1043 - changed the FOURCC code for H.263 to "U263" to be able to see the 1044 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with 1045 this +codec ;) (JuanJo). 1046 - Halfpel motion estimation after MB type selection (JuanJo) 1047 - added pgm and .Y.U.V output format 1048 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or 1049 output. 1050 - added pgmpipe I/O format (original patch from Martin Aumueller 1051 <lists at reserv.at>, but changed completely since we use a format 1052 instead of a protocol) 1053 1054 1055 version 0.4.2: 1056 1057 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support 1058 (for OpenDivX) is almost complete: 8x8 MVs and rounding are 1059 missing. MSMPEG4 support is complete. 1060 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it 1061 can decode ffmpeg MPEGs :-)). 1062 - added libavcodec API documentation (see apiexample.c). 1063 - fixed image polyphase bug (the bottom of some images could be 1064 greenish) 1065 - added support for non clipped motion vectors (decoding only) 1066 and image sizes non-multiple of 16 1067 - added support for AC prediction (decoding only) 1068 - added file overwrite confirmation (can be disabled with -y) 1069 - added custom size picture to H.263 using H.263+ (Juanjo) 1070 1071 1072 version 0.4.1: 1073 1074 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec 1075 of AVI and ASF to DIV3. 1076 - added -me option to set motion estimation method 1077 (default=log). suppressed redundant -hq option. 1078 - added options -acodec and -vcodec to force a given codec (useful for 1079 AVI for example) 1080 - fixed -an option 1081 - improved dct_quantize speed 1082 - factorized some motion estimation code 1083 1084 1085 version 0.4.0: 1086 1087 - removing grab code from ffserver and moved it to ffmpeg. Added 1088 multistream support to ffmpeg. 1089 - added timeshifting support for live feeds (option ?date=xxx in the 1090 URL) 1091 - added high quality image resize code with polyphase filter (need 1092 mmx/see optimization). Enable multiple image size support in ffserver. 1093 - added multi live feed support in ffserver 1094 - suppressed master feature from ffserver (it should be done with an 1095 external program which opens the .ffm url and writes it to another 1096 ffserver) 1097 - added preliminary support for video stream parsing (WAV and AVI half 1098 done). Added proper support for audio/video file conversion in 1099 ffmpeg. 1100 - added preliminary support for video file sending from ffserver 1101 - redesigning I/O subsystem: now using URL based input and output 1102 (see avio.h) 1103 - added WAV format support 1104 - added "tty user interface" to ffmpeg to stop grabbing gracefully 1105 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences) 1106 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>) 1107 - added MMX DCT from mpeg2_movie 1.5 (Juanjo) 1108 - added new motion estimation algorithms, log and phods (Juanjo) 1109 - changed directories: libav for format handling, libavcodec for 1110 codecs 1111 1112 1113 version 0.3.4: 1114 1115 - added stereo in MPEG audio encoder 1116 1117 1118 version 0.3.3: 1119 1120 - added 'high quality' mode which use motion vectors. It can be used in 1121 real time at low resolution. 1122 - fixed rounding problems which caused quality problems at high 1123 bitrates and large GOP size 1124 1125 1126 version 0.3.2: small fixes 1127 1128 - ASF fixes 1129 - put_seek bug fix 1130 1131 1132 version 0.3.1: added avi/divx support 1133 1134 - added AVI support 1135 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec 1136 - added sound for flash format (not tested) 1137 1138 1139 version 0.3: initial public release