Add a changelog entry for the RTSP tunneling, that was added a few weeks ago
[libav.git] / Changelog
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1Entries are sorted chronologically from oldest to youngest within each release,
2releases are sorted from youngest to oldest.
3
4
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5version <next>:
6
316d6c15 7- WebM support in Matroska de/muxer
21d52447 8- low overhead Ogg muxing
a2403986 9- MMS-TCP support
ee0e9146 10- VP8 de/encoding via libvpx
31cd5a9a 11- CODEC_CAP_EXPERIMENTAL added
173bb37f 12- Demuxer for On2's IVF format
a526d619 13- Pictor/PC Paint decoder
a2063901 14- HE-AAC v2 decoder
41f91b5f 15- libfaad2 wrapper removed
e83aed04 16- DTS-ES extension (XCh) decoding support
db7d307f 17- native VP8 decoder
680b2321 18- RTSP tunneling over HTTP
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19
20
21
22version 0.6:
23
2db272e9 24- PB-frame decoding for H.263
b11163c8 25- deprecated vhook subsystem removed
3444c914 26- deprecated old scaler removed
616e899c 27- VQF demuxer
b3b5946c 28- Alpha channel scaler
effcedf7 29- PCX encoder
9edfaf3c 30- RTP packetization of H.263
08e696c0 31- RTP packetization of AMR
e6327fba 32- RTP depacketization of Vorbis
e9356be5 33- CorePNG decoding support
9189d7eb 34- Cook multichannel decoding support
276f8e2b 35- introduced avlanguage helpers in libavformat
f0b19bd3 36- 8088flex TMV demuxer and decoder
5f1ac36d 37- per-stream language-tags extraction in asfdec
ca0bb1c4 38- V210 decoder and encoder
de08ebe3 39- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 40- QCP demuxer
cbfe5bee 41- SoX native format muxer and demuxer
0b175caa 42- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 43- DPX image decoder
c63ea92b 44- Electronic Arts Madcow decoder
a4276ba2 45- DivX (XSUB) subtitle encoder
0a4a0aa7 46- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 47- experimental AAC encoder
c2f3eec4 48- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 49- RTMP support in libavformat
3106f489 50- noX handling for OPT_BOOL X options
740e89cf 51- Wave64 demuxer
ab1eff9c 52- IEC-61937 compatible Muxer
7bd47335 53- TwinVQ decoder
c58b82a2 54- Bluray (PGS) subtitle decoder
5dd3707b 55- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 56- WMA Pro decoder
5f14b565 57- Core Audio Format demuxer
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58- Atrac1 decoder
59- MD STUDIO audio demuxer
811e0fc2 60- RF64 support in WAV demuxer
99971952 61- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 62- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 63- IV8 demuxer
a3d995c1 64- CDG demuxer and decoder
4aaab0a3 65- R210 decoder
ce293510 66- Auravision Aura 1 and 2 decoders
e6565055 67- Deluxe Paint Animation playback system
d140b025 68- SIPR decoder
83ab7f18 69- Adobe Filmstrip muxer and demuxer
45aa9080 70- RTP depacketization of H.263
342c7dfd 71- Bink demuxer and audio/video decoders
4ebaec79 72- enable symbol versioning by default for linkers that support it
b9e06ddd 73- IFF PBM/ILBM bitmap decoder
084eb95f 74- concat protocol
5bebe94d 75- Indeo 5 decoder
556aa7a1 76- RTP depacketization of AMR
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77- WMA Voice decoder
78- ffprobe tool
4fe3edaa 79- AMR-NB decoder
6f5a3d0a 80- RTSP muxer
ed492b61 81- HE-AAC v1 decoder
bf354122 82- Kega Game Video (KGV1) decoder
59b4b540 83- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 84- RTP depacketization of Theora
b26708d5 85- HTTP Digest authentication
0f943ce6 86- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 87- Psygnosis YOP demuxer and video decoder
ca6e7708 88- spectral extension support in the E-AC-3 decoder
ac1c9564 89- unsharp video filter
910cde56 90- RTP hinting in the mov/3gp/mp4 muxer
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91- Dirac in Ogg demuxing
92- seek to keyframes in Ogg
93- 4:2:2 and 4:4:4 Theora decoding
94- 35% faster VP3/Theora decoding
95- faster AAC decoding
96- faster H.264 decoding
d31ba231 97- RealAudio 1.0 (14.4K) encoder
de08ebe3 98
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99
100
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101version 0.5:
102
06ab9cff 103- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 104- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 105- IBM Ultimotion (ULTI) video decoder
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106- Sierra Online audio file demuxer and decoder
107- Apple QuickDraw (qdrw) video decoder
22052247 108- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 109- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 110- Miro VideoXL (VIXL) video decoder
b06b45c4 111- H.261 video encoder
acfd8f0f 112- QPEG video decoder
353147ed 113- Nullsoft Video (NSV) file demuxer
13dfd2b9 114- Shorten audio decoder
9c7fb608 115- LOCO video decoder
115329f1 116- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 117- Winnov WNV1 video decoder
589f8220 118- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 119- Indeo 2 video decoder
b81f8949 120- Fraps FPS1 video decoder
e0db8cfb 121- Snow video encoder/decoder
af4ca324 122- Sonic audio encoder/decoder
108ab268 123- Vorbis audio decoder
af4ca324 124- Macromedia ADPCM decoder
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125- Duck TrueMotion 2 video decoder
126- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 127- H.264 custom quantization matrices support
a8289180 128- ffserver fixed, it should now be usable again
8d1018bf 129- QDM2 audio decoder
8a2d410e 130- Real Cooker audio decoder
bf3027c8 131- TrueSpeech audio decoder
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132- WMA2 audio decoder fixed, now all files should play correctly
133- RealAudio 14.4 and 28.8 decoders fixed
108ab268 134- JPEG-LS decoder
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135- build system improvements
136- tabs and trailing whitespace removed from the codebase
108ab268 137- CamStudio video decoder
f11288da 138- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 139- ADTS AAC file reading and writing
ea395e8c 140- Creative VOC file reading and writing
4e114829 141- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 142- Zip Motion Blocks Video decoder
58cf42fa 143- improved Theora/VP3 decoder
8a2d410e 144- True Audio (TTA) decoder
26376701 145- AVS demuxer and video decoder
108ab268 146- JPEG-LS encoder
348efc18 147- Smacker demuxer and decoder
dfca23e3 148- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 149- KMVC decoder
58cf42fa 150- MPEG-2 intra VLC support
2d974017 151- MPEG-2 4:2:2 encoder
0919e788 152- Flash Screen Video decoder
cc0bc648 153- GXF demuxer
6a09487e 154- Chinese AVS decoder
43dcf590 155- GXF muxer
07bf2af8 156- MXF demuxer
b394e39a 157- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 158- MacIntel support
8ac17293 159- AVISynth support
eb57c889 160- VMware video decoder
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161- VP5 video decoder
162- VP6 video decoder
730581f3 163- WavPack lossless audio decoder
3689cf16 164- Targa (.TGA) picture decoder
108ab268 165- Vorbis audio encoder
dc56e0de 166- Delphine Software .cin demuxer/audio and video decoder
29f86228 167- Tiertex .seq demuxer/video decoder
f7bc5837 168- MTV demuxer
716222db 169- TIFF picture encoder and decoder
06d392a7 170- GIF picture decoder
58cf42fa 171- Intel Music Coder decoder
6a7d2c3d 172- Zip Motion Blocks Video encoder
185c7b6b 173- Musepack decoder
8adc51f2 174- Flash Screen Video encoder
150d2772 175- Theora encoding via libtheora
52548eee 176- BMP encoder
039cd4a7 177- WMA encoder
346a655d 178- GSM-MS encoder and decoder
01ca9ac3 179- DCA decoder
33a0dd37 180- DXA demuxer and decoder
52b6bad2 181- DNxHD decoder
efb0c399 182- Gamecube movie (.THP) playback system
a5fbe001 183- Blackfin optimizations
9a0ddd09 184- Interplay C93 demuxer and video decoder
1e6c6759 185- Bethsoft VID demuxer and video decoder
8e952e4d 186- CRYO APC demuxer
10e26bc7 187- Atrac3 decoder
b46d68c6 188- V.Flash PTX decoder
58cf42fa 189- RoQ muxer, RoQ audio encoder
ad39f1a7 190- Renderware TXD demuxer and decoder
4d5588cf 191- extern C declarations for C++ removed from headers
82e60541 192- sws_flags command line option
ddcf4b5d 193- codebook generator
03e3e765 194- RoQ video encoder
d3b7406c 195- QTRLE encoder
d22e8442 196- OS/2 support removed and restored again
6ea67bbb 197- AC-3 decoder
58cf42fa 198- NUT muxer
108ab268 199- additional SPARC (VIS) optimizations
e09f7d61 200- Matroska muxer
58cf42fa 201- slice-based parallel H.264 decoding
bf4a1f17 202- Monkey's Audio demuxer and decoder
8787d837 203- AMV audio and video decoder
fc4cbc16 204- DNxHD encoder
d6c52130 205- H.264 PAFF decoding
636b13c5 206- Nellymoser ASAO decoder
66f7679c 207- Beam Software SIFF demuxer and decoder
f9def9cc 208- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 209- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 210- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 211- The "device" muxers and demuxers are now in a new libavdevice library
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212- PC Paintbrush PCX decoder
213- Sun Rasterfile decoder
920d3609 214- TechnoTrend PVA demuxer
77c1d04d 215- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 216- AVM2 (Flash 9) SWF muxer
9dc92a38 217- QT variant of IMA ADPCM encoder
39fc859e 218- VFW grabber
58cf42fa 219- iPod/iPhone compatible mp4 muxer
a7129de5 220- Mimic decoder
0f3444e1 221- MSN TCP Webcam stream demuxer
86b3cf7c 222- RL2 demuxer / decoder
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223- IFF demuxer
224- 8SVX audio decoder
b00b15be 225- non-recursive Makefiles
b64c096b 226- BFI demuxer
74118c07 227- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 228- BFI video decoder
ea662534 229- OMA demuxer
b517af05 230- MLP/TrueHD decoder
e1c74782 231- Electronic Arts CMV decoder
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232- Motion Pixels Video decoder
233- Motion Pixels MVI demuxer
e44bbf62 234- removed animated GIF decoder/demuxer
51c3861e 235- D-Cinema audio muxer
cfc78718 236- Electronic Arts TGV decoder
833e90dd 237- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 238- AAC decoder
eb6fc557 239- floating point PCM encoder/decoder
cedebde1 240- MXF muxer
108ab268 241- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 242- E-AC-3 support added to AC-3 decoder
755ba886 243- Nellymoser ASAO encoder
0c86f89a 244- ASS and SSA demuxer and muxer
d8d12c15 245- liba52 wrapper removed
0ac1dc6f 246- SVQ3 watermark decoding support
f6958006 247- Speex decoding via libspeex
42b30357 248- Electronic Arts TGQ decoder
108ab268 249- RV40 decoder
73b458e3 250- QCELP / PureVoice decoder
108ab268 251- RV30 decoder
7906f3ca 252- hybrid WavPack support
7eb68edb 253- R3D REDCODE demuxer
115d095e 254- ALSA support for playback and record
d8964f3a 255- Electronic Arts TQI decoder
9a77d59a 256- OpenJPEG based JPEG 2000 decoder
58cf42fa 257- NC (NC4600) camera file demuxer
865780ae 258- Gopher client support
bd3f81f3 259- MXF D-10 muxer
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260- generic metadata API
261
9d53d58e 262
0ca3e336 263
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264version 0.4.9-pre1:
265
4fa1c4fa 266- DV encoder, DV muxer
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267- Microsoft RLE video decoder
268- Microsoft Video-1 decoder
070ed1bc 269- Apple Animation (RLE) decoder
42cad81a 270- Apple Graphics (SMC) decoder
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271- Apple Video (RPZA) decoder
272- Cinepak decoder
273- Sega FILM (CPK) file demuxer
42cad81a 274- Westwood multimedia support (VQA & AUD files)
4120a53a 275- Id Quake II CIN playback support
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276- 8BPS video decoder
277- FLIC playback support
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278- RealVideo 2.0 (RV20) decoder
279- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 280- Sierra VMD demuxer and video decoder
1defd2a8 281- MSZH and ZLIB decoder support
3b64893d 282- SVQ1 video encoder
1defd2a8 283- AMR-WB support
e0db8cfb 284- PPC optimizations
1defd2a8 285- rate distortion optimal cbp support
e0db8cfb 286- rate distorted optimal ac prediction for MPEG-4
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287- rate distorted optimal lambda->qp support
288- AAC encoding with libfaac
289- Sunplus JPEG codec (SP5X) support
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290- use Lagrange multipler instead of QP for ratecontrol
291- Theora/VP3 decoding support
1defd2a8 292- XA and ADX ADPCM codecs
e0db8cfb 293- export MPEG-2 active display area / pan scan
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294- Add support for configuring with IBM XLC
295- floating point AAN DCT
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296- initial support for zygo video (not complete)
297- RGB ffv1 support
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298- new audio/video parser API
299- av_log() system
300- av_read_frame() and av_seek_frame() support
301- missing last frame fixes
302- seek by mouse in ffplay
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303- noise reduction of DCT coefficients
304- H.263 OBMC & 4MV support
305- H.263 alternative inter vlc support
306- H.263 loop filter
307- H.263 slice structured mode
308- interlaced DCT support for MPEG-2 encoding
1defd2a8 309- stuffing to stay above min_bitrate
e0db8cfb 310- MB type & QP visualization
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311- frame stepping for ffplay
312- interlaced motion estimation
313- alternate scantable support
314- SVCD scan offset support
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315- closed GOP support
316- SSE2 FDCT
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317- quantizer noise shaping
318- G.726 ADPCM audio codec
319- MS ADPCM encoding
320- multithreaded/SMP motion estimation
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321- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
322- multithreaded/SMP decoding for MPEG-2
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323- FLAC decoder
324- Metrowerks CodeWarrior suppport
e0db8cfb 325- H.263+ custom pcf support
1defd2a8 326- nicer output for 'ffmpeg -formats'
e0db8cfb 327- Matroska demuxer
1defd2a8 328- SGI image format, encoding and decoding
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329- H.264 loop filter support
330- H.264 CABAC support
f073a393 331- nicer looking arrows for the motion vector visualization
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332- improved VCD support
333- audio timestamp drift compensation
e0db8cfb 334- MPEG-2 YUV 422/444 support
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335- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
336- better image scaling
e0db8cfb 337- H.261 support
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338- correctly interleave packets during encoding
339- VIS optimized motion compensation
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340- intra_dc_precision>0 encoding support
341- support reuse of motion vectors/MB types/field select values of the source video
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342- more accurate deblock filter
343- padding support
344- many optimizations and bugfixes
055dc116 345- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 346
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347
348
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349version 0.4.8:
350
e0db8cfb 351- MPEG-2 video encoding (Michael)
d9d8910b 352- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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353- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
354 and Mario Brito)
355- Xan DPCM audio decoder (Mario Brito)
186447f8 356- Interplay MVE playback subsystem (Mike Melanson)
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357- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
358
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359
360
b17e9c99 361version 0.4.7:
e07702ba 362
e0db8cfb 363- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 364 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 365- current version now also compiles with older GCC (Fabrice)
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366- 4X multimedia playback system including 4xm file demuxer (Mike
367 Melanson), and 4X video and audio codecs (Michael)
368- Creative YUV (CYUV) decoder (Mike Melanson)
369- FFV1 codec (our very simple lossless intra only codec, compresses much better
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370 than HuffYUV) (Michael)
371- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
372- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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373 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
374- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 375 for multiplatform support (Fabrice)
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376- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
377 by anonymous
378- AMR format has been added (Johannes Carlsson)
e0db8cfb 379- 3GP support has been added (Johannes Carlsson)
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380- VP3 codec has been added (Mike Melanson)
381- more MPEG-1/2 fixes
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382- better multiplatform support, MS Visual Studio fixes (various)
383- AltiVec optimizations (Magnus Damn and others)
e07702ba 384- SH4 processor support has been added (BERO)
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385- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
386- VOB streaming support (Brian Foley)
387- better MP3 autodetection (Andriy Rysin)
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388- qpel encoding (Michael)
389- 4mv+b frames encoding finally fixed (Michael)
390- chroma ME (Michael)
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391- 5 comparison functions for ME (Michael)
392- B-frame encoding speedup (Michael)
393- WMV2 codec (unfinished - Michael)
d3d10087 394- user specified diamond size for EPZS (Michael)
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395- Playstation STR playback subsystem, still experimental (Mike and Michael)
396- ASV2 codec (Michael)
397- CLJR decoder (Alex)
d3d10087 398
e0db8cfb 399.. And lots more new enhancements and fixes.
e07702ba 400
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401
402
d3d10087 403version 0.4.6:
739d6efa 404
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405- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
406 from scratch
407- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
408- fix quantization bug in AC3 encoder
409- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
410- added prototype ffplay program
411- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
412- bug fix on MCBPC tables of H.263 (Juanjo)
413- bug fix on DC coefficients of H.263 (Juanjo)
414- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
415- now we can decode H.263 streams found in QuickTime files (Juanjo)
416- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 417- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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418- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
419- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 420- added first regression tests
e0db8cfb 421- added MPEG-2 TS demuxer
a31e01c5 422- new demux API for libav
6d291820 423- more accurate and faster IDCT (Michael)
e0db8cfb 424- faster and entropy-controlled motion search (Michael)
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425- two pass video encoding (Michael)
426- new video rate control (Michael)
427- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
428- great performance improvement of video encoders and decoders (Michael)
429- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 430- high quality encoding mode: tries all macroblock/VLC types (Michael)
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431- added DV video decoder
432- preliminary RTP/RTSP support in ffserver and libavformat
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433- H.263+ AIC decoding/encoding support (Juanjo)
434- VCD MPEG-PS mode (Juanjo)
435- PSNR stuff (Juanjo)
436- simple stats output (Juanjo)
437- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 438
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439
440
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441version 0.4.5:
442
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443- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
444- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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445- added configure system (actually a small shell script)
446- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 447 Michael Hipp (temporary solution - waiting for integer only
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448 decoder)
449- fixed VIDIOCSYNC interrupt
450- added Intel H.263 decoding support ('I263' AVI fourCC)
451- added Real Video 1.0 decoding (needs further testing)
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452- simplified image formats again. Added PGM format (=grey
453 pgm). Renamed old PGM to PGMYUV.
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454- fixed msmpeg4 slice issues (tell me if you still find problems)
455- fixed OpenDivX bugs with newer versions (added VOL header decoding)
456- added support for MPlayer interface
457- added macroblock skip optimization
458- added MJPEG decoder
459- added mmx/mmxext IDCT from libmpeg2
0c1e384c 460- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 461 <celer at shell.scrypt.net>)
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462- added pixel format conversion layer (e.g. for MJPEG or PPM)
463- added deinterlacing option
464- MPEG-1/2 fixes
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465- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
466- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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467- Windows porting of file converter
468- added MJPEG raw format (input/ouput)
469- added JPEG image format support (input/output)
de6d9b64 470
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471
472
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473version 0.4.4:
474
475- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 476 <bjorn.e.lindgren at telia.com>).
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477- added MPEG demuxer (MPEG-1 and 2 compatible).
478- added ASF demuxer
479- added prototype RM demuxer
480- added AC3 decoding (done with libac3 by Aaron Holtzman)
481- added decoding codec parameter guessing (.e.g. for MPEG, because the
482 header does not include them)
483- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
484 play them (only tested video)
485- fixed H.263 white bug
486- fixed phase rounding in img resample filter
487- add MMX code for polyphase img resample filter
488- added CPU autodetection
489- added generic title/author/copyright/comment string handling (ASF and RM
490 use them)
de6d9b64 491- added SWF demux to extract MP3 track (not usable yet because no MP3
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492 decoder)
493- added fractional frame rate support
de6d9b64 494- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 495 segfault)
de6d9b64 496
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497
498
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499version 0.4.3:
500
dd5cf2ad 501- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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502- fixed raw yuv output
503- added motion rounding support in MPEG-4
504- fixed motion bug rounding in MSMPEG4
505- added B-frame handling in video core
506- added full MPEG-1 decoding support
507- added partial (frame only) MPEG-2 support
de6d9b64 508- changed the FOURCC code for H.263 to "U263" to be able to see the
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509 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
510 this +codec ;) (JuanJo).
511- Halfpel motion estimation after MB type selection (JuanJo)
512- added pgm and .Y.U.V output format
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513- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
514 output.
515- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 516 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 517 instead of a protocol)
de6d9b64 518
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519
520
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521version 0.4.2:
522
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523- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
524 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 525 missing. MSMPEG4 support is complete.
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526- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
527 can decode ffmpeg MPEGs :-)).
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528- added libavcodec API documentation (see apiexample.c).
529- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 530 greenish)
de6d9b64 531- added support for non clipped motion vectors (decoding only)
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532 and image sizes non-multiple of 16
533- added support for AC prediction (decoding only)
534- added file overwrite confirmation (can be disabled with -y)
535- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 536
0ca3e336 537
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538version 0.4.1:
539
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540- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
541 of AVI and ASF to DIV3.
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542- added -me option to set motion estimation method
543 (default=log). suppressed redundant -hq option.
544- added options -acodec and -vcodec to force a given codec (useful for
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545 AVI for example)
546- fixed -an option
547- improved dct_quantize speed
548- factorized some motion estimation code
de6d9b64 549
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550
551
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552version 0.4.0:
553
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554- removing grab code from ffserver and moved it to ffmpeg. Added
555 multistream support to ffmpeg.
de6d9b64 556- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 557 URL)
de6d9b64 558- added high quality image resize code with polyphase filter (need
56cc85a0 559 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 560- added multi live feed support in ffserver
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561- suppressed master feature from ffserver (it should be done with an
562 external program which opens the .ffm url and writes it to another
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563 ffserver)
564- added preliminary support for video stream parsing (WAV and AVI half
565 done). Added proper support for audio/video file conversion in
de6d9b64 566 ffmpeg.
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567- added preliminary support for video file sending from ffserver
568- redesigning I/O subsystem: now using URL based input and output
569 (see avio.h)
570- added WAV format support
571- added "tty user interface" to ffmpeg to stop grabbing gracefully
572- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 573 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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574- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
575- added new motion estimation algorithms, log and phods (Juanjo)
576- changed directories: libav for format handling, libavcodec for
577 codecs
de6d9b64 578
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579
580
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581version 0.3.4:
582
e0db8cfb 583- added stereo in MPEG audio encoder
de6d9b64 584
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585
586
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587version 0.3.3:
588
589- added 'high quality' mode which use motion vectors. It can be used in
590 real time at low resolution.
591- fixed rounding problems which caused quality problems at high
e0db8cfb 592 bitrates and large GOP size
de6d9b64 593
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594
595
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596version 0.3.2: small fixes
597
e0db8cfb 598- ASF fixes
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599- put_seek bug fix
600
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601
602
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603version 0.3.1: added avi/divx support
604
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605- added AVI support
606- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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607- added sound for flash format (not tested)
608
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609
610
de6d9b64 611version 0.3: initial public release