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f97b060 updated
glantau authored
1 version 0.4.6:
2
3 - completely new mpeg audio layer 1/2/3 decoder rewritten from
4 scratch.
5 - recoded dct and motion vector search with gcc (no longer depends on
6 nasm).
7 - fix quantization bug in AC3 encoder.
b3d7636 - Preliminary RTP friendly mode for H.263.
pulento authored
8 - added GOB header parsing on H.263/H.263+ decoder. (Juanjo)
9 - bug fix on MCBPC tables of H.263. (Juanjo)
10 - added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)
11 - now we can decode H.263 streams found on QuickTime files. (Juanjo)
12 - now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
13 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
14 - added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)
15 - now H.263 picture size is returned on the first decoded frame. (Juanjo)
f97b060 updated
glantau authored
16
7432084 Initial revision
glantau authored
17 version 0.4.5:
18
19 - some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>).
20 - many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>).
21 - added configure system (actually a small shell script).
22 - added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by
23 Michael Hipp (temporary solution - waiting for integer only
24 decoder).
25 - fixed VIDIOCSYNC interrupt.
26 - added Intel H263 decoding support ('I263' avi fourCC)
27 - added Real Video 1.0 decoding (needs further testing).
28 - simplified image formats again. Added PGM format (=grey
29 pgm). Renamed old PGM to PGMYUV.
30 - fixed msmpeg4 slice issues (tell me if you still find problems).
31 - fixed opendivx bugs with newer versions (added VOL header decoding).
32 - added support for mplayer interface.
6e6ed3b updated
glantau authored
33 - added macroblock skip optimization.
53620a6 updated
glantau authored
34 - added MJPEG decoder.
6e6ed3b updated
glantau authored
35 - added mmx/mmxext idct from libmpeg2.
53620a6 updated
glantau authored
36 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
37 <celer@shell.scrypt.net>).
38 - added pixel format convertion layer (e.g. for MJPEG or PPM).
39 - added deinterlacing option.
1bc0c78 updated
glantau authored
40 - mpeg1/2 fixes.
41 - mpeg4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>).
42 - ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
43 - Windows porting of file converter.
d0dc851 updated
glantau authored
44 - added MJPEG raw format (input/ouput).
45 - added JPEG image format support (input/output).
7432084 Initial revision
glantau authored
46
47 version 0.4.4:
48
49 - fixed some std header definitions (Bjorn Lindgren
50 <bjorn.e.lindgren@telia.com>).
51 - added mpeg demux (mpeg 1 and 2 compatible).
52 - added ASF demux.
53 - added prototype RM demux.
54 - added AC3 decoding (done with libac3 by Aaron Holtzman).
55 - added decoding codec parameter guessing (.e.g. for mpeg, because the
56 header does not include them).
57 - fixed header generation in mpeg1, AVI and ASF mux : wmplayer can now
58 play them (only tested video).
59 - fixed h263 white bug.
60 - fixed phase rounding in img resample filter.
61 - add mmx code for polyphase img resample filter.
62 - added CPU autodetect.
63 - added generic title/author/copyright/comment string handling (ASF and RM use them).
64 - added SWF demux to extract MP3 track (not usable yet because no MP3
65 decoder).
66 - added fractional frame rate support.
67 - codecs are no longer searched by read_header() (should fix ffserver
68 segfault).
69
70 version 0.4.3:
71
72 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>).
73 - fixed raw yuv output.
74 - added motion rounding support in MPEG4.
75 - fixed motion bug rounding in MSMPEG4.
76 - added B frame handling in video core.
77 - added full MPEG1 decoding support.
78 - added partial (frame only) MPEG2 support.
79 - changed the FOURCC code for H.263 to "U263" to be able to see the
80 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
81 this +codec ;) (JuanJo).
82 - Halfpel motion estimation after mb type selection (JuanJo).
83 - added pgm and .Y.U.V output format.
84 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
85 output.
86 - added pgmpipe I/O format (original patch from Martin Aumueller
87 <lists@reserv.at>, but changed completely since we use a format
88 instead of a protocol).
89
90 version 0.4.2:
91
92 - added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support
93 (for openDIVX) is almost complete: 8x8 MVs and rounding are
94 missing. MSMPEG4 support is complete.
95 - added prototype MPEG1 decoder. Only I and P frames handled yet (it
96 can decode ffmpeg mpegs :-)).
97 - added libavcodec API documentation (see apiexample.c).
98 - fixed image polyphase bug (the bottom of some images could be
99 greenish).
100 - added support for non clipped motion vectors (decoding only)
101 and image sizes non multiple of 16.
102 - added support for AC prediction (decoding only).
103 - added file overwrite confirmation (can be disabled with -y).
104 - Added custom size picture to H.263 using H.263+ (Juanjo).
105
106 version 0.4.1:
107
108 - added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec
109 of avi and asf to DIV3.
110 - added -me option to set motion estimation method
111 (default=log). suppressed redundant -hq option.
112 - added options -acodec and -vcodec to force a given codec (useful for
113 AVI for example).
114 - fixed -an option.
115 - improved dct_quantize speed.
116 - factorized some motion estimation code.
117
118 version 0.4.0:
119
120 - removing grab code from ffserver and moved it to ffmpeg. Added multi
121 stream support to ffmpeg.
122 - added timeshifting support for live feeds (option ?date=xxx in the
123 URL).
124 - added high quality image resize code with polyphase filter (need
125 mmx/see optimisation). Enable multiple image size support in ffserver.
126 - added multi live feed support in ffserver.
127 - suppressed master feature from ffserver (it should be done with an
128 external program which opens the .ffm url and writes it to another
129 ffserver).
130 - added preliminary support for video stream parsing (wav and avi half
131 done). Added proper support for audio/video file convertion in
132 ffmpeg.
133 - added preliminary support for video file sending from ffserver.
134 - redesigning I/O subsystem : now using URL based input and output
135 (see avio.h).
136 - added wav format support.
137 - added "tty user interface" to ffmpeg to stop grabbing gracefully.
138 - added MMX/SSE optimizations to SAD (Sums of Absolutes Diferences)
139 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>).
140 - added MMX DCT from mpeg2_movie 1.5 (Juanjo).
141 - added new motion estimation algorithms, log and phods (Juanjo).
142 - changed directories : libav for format handling, libavcodec for
143 codecs.
144
145 version 0.3.4:
146
147 - added stereo in mpeg audio encoder.
148
149 version 0.3.3:
150
151 - added 'high quality' mode which use motion vectors. It can be used in
152 real time at low resolution.
153 - fixed rounding problems which caused quality problems at high
154 bitrates and large gop size.
155
156 version 0.3.2: small fixes
157
158 - asf fixes
159 - put_seek bug fix
160
161 version 0.3.1: added avi/divx support
162
163 - added avi support
164 - added mpeg4 codec compatible with open divx. It is based on the h263
165 codec.
166 - added sound for flash format (not tested)
167
168 version 0.3: initial public release
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