FFmpeg development discussions and patch reviews

Benjamin Larsson | 1 Jul 2004 01:10

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[Patch] Documentation update

Ffmpeg supports AAC doesn't it ?

MvH
Benjamin Larsson

--- ffmpeg-doc.texi.org Thu Jul  1 00:46:45 2004
+++ ffmpeg-doc.texi     Thu Jul  1 00:52:03 2004
 <at>  <at>  -774,6 +774,8  <at>  <at>  solutions.
  <at> item Vorbis                  <at> tab  X    <at> tab  X
  <at> tab supported through the external library libvorbis
  <at> item WMA V1/V2               <at> tab       <at> tab X
+ <at> item AAC                     <at> tab X     <at> tab X
+ <at> tab supported through the external library libfaac/libfaad
  <at> item Microsoft ADPCM         <at> tab X     <at> tab X
  <at> item MS IMA ADPCM            <at> tab X     <at> tab X
  <at> item QT IMA ADPCM            <at> tab       <at> tab X

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Michael Niedermayer CVS | 1 Jul 2004 01:12

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CVS: ffmpeg/libavcodec mpeg12.c,1.209,1.210 mpegvideo.c,1.421,1.422

Update of /cvsroot/ffmpeg/ffmpeg/libavcodec
In directory mail:/var2/tmp/cvs-serv8476

Modified Files:
	mpeg12.c mpegvideo.c 
Log Message:
10l (fixes delayed frames during encoding)

Index: mpeg12.c
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/libavcodec/mpeg12.c,v
retrieving revision 1.209
retrieving revision 1.210
diff -u -d -r1.209 -r1.210
--- mpeg12.c	26 Jun 2004 02:20:38 -0000	1.209
+++ mpeg12.c	30 Jun 2004 23:12:21 -0000	1.210
 <at>  <at>  -2973,6 +2973,7  <at>  <at> 
     MPV_encode_picture,
     MPV_encode_end,
     .supported_framerates= frame_rate_tab+1,
+    .capabilities= CODEC_CAP_DELAY,
 };

 #ifdef CONFIG_RISKY
 <at>  <at>  -2986,6 +2987,7  <at>  <at> 
     MPV_encode_picture,
     MPV_encode_end,
     .supported_framerates= frame_rate_tab+1,
+    .capabilities= CODEC_CAP_DELAY,
 };

(Continue reading)

Michael Niedermayer | 1 Jul 2004 01:12

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Re: Delayed Frames

Hi

On Thursday 01 July 2004 00:41, Bill Snyder wrote:
> Hi All,
>
> Referencing an old thread on delayed mpeg frames when using b frames:
>
> http://sourceforge.net/mailarchive/message.php?msg_id=5985155
>
> It appears that this code has made it into the ffmpeg program and it is
> still present in the apiexample program.  It does not appear that the
> delayed frames can be retrieved this way anymore.  Everytime I run
> apiexample, it says that the size of the delayed frame being retrieved is
> 0.  If you increase max_b_frames by 1, apiexample shows that the output is
> delayed by 1 more frame and you apparently lose 1 more frame on the output
> side.  Is this behavior indicative of a bug, or is there some other method
> that should be used for getting the delayed frames?
fixed

[...]
--

-- 
Michael
level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent #5,905,535)
buf[i]= qp - buf[i-1];				(violates patent #?)
for more examples, see http://mplayerhq.hu/~michael/patent.html
stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en

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(Continue reading)

Diego Biurrun | 1 Jul 2004 01:20

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Re: [BUG] SVQ3 sample with bad artifacts

Michael Niedermayer wrote:
> 
> On Friday 25 June 2004 21:14, Diego Biurrun wrote:
> 
>>here are two more broken samples that play fine with the QT DLLs:
>>
>>http://mplayerhq.hu/~diego/fzerogx_small.mov
>>http://mplayerhq.hu/~diego/starfox2_small.mov
> 
> i looked at these 3, but i dunno why they fail to decode, so ill leave this to 
> the one who reverse engineered svq3

If you point me to him (maybe in private mail since he was anonymous) I 
will contact him.

Diego

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Christian Gmeiner | 1 Jul 2004 01:33

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Compile log

Hi developers.

I have logged the make step, so that you can maybe fix some warnings.

vdr ffmpeg #
./configure --prefix=/usr --enable-mp3lame --enable-vorbis --enable-a52 --en
able-pp --disable-debug --disable-ffserver --disable-ffplay --enable-gpl

Install prefix   /usr
Source path      /root/ffmpeg-cvs/ffmpeg
C compiler       gcc
make             make
CPU              x86 (generic)
Big Endian       no
inttypes.h       yes
broken inttypes.h no
MMX enabled      yes
Vector Builtins  yes
gprof enabled    no
zlib enabled     yes
mp3lame enabled  yes
vorbis enabled   yes
faad enabled     no
faadbin enabled  no
faac enabled     no
a52 support      yes
a52 dlopened     no
pp support       yes
debug symbols    no
optimize         yes

(Continue reading)

Michael Niedermayer CVS | 1 Jul 2004 01:41

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CVS: ffmpeg/tests libav.regression.ref,1.33,1.34 ffmpeg.regression.ref,1.101,1.102 rotozoom.regression.ref,1.59,1.60

Update of /cvsroot/ffmpeg/ffmpeg/tests
In directory mail:/var2/tmp/cvs-serv23284

Modified Files:
	libav.regression.ref ffmpeg.regression.ref 
	rotozoom.regression.ref 
Log Message:
10l (fixes delayed frames during encoding)

Index: libav.regression.ref
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/tests/libav.regression.ref,v
retrieving revision 1.33
retrieving revision 1.34
diff -u -d -r1.33 -r1.34
--- libav.regression.ref	30 Jun 2004 17:34:15 -0000	1.33
+++ libav.regression.ref	30 Jun 2004 23:41:29 -0000	1.34
 <at>  <at>  -1,5 +1,5  <at>  <at> 
 ffmpeg regression test
-23df749712744cac9593514510707c0d *./data/b-libav.avi
+580b53ca26eb2184b928967b8e7d18a7 *./data/b-libav.avi
 342282 ./data/b-libav.avi
 ./data/b-libav.avi CRC=001a3415
 80f85b6dce1da8310a49bb4607a34f06 *./data/b-libav.asf

Index: ffmpeg.regression.ref
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/tests/ffmpeg.regression.ref,v
retrieving revision 1.101
retrieving revision 1.102

(Continue reading)

Michael Niedermayer | 1 Jul 2004 01:44

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Re: Re: [BUG] SVQ3 sample with bad artifacts

Hi

On Thursday 01 July 2004 01:20, Diego Biurrun wrote:
> Michael Niedermayer wrote:
> > On Friday 25 June 2004 21:14, Diego Biurrun wrote:
> >>here are two more broken samples that play fine with the QT DLLs:
> >>
> >>http://mplayerhq.hu/~diego/fzerogx_small.mov
> >>http://mplayerhq.hu/~diego/starfox2_small.mov
> >
> > i looked at these 3, but i dunno why they fail to decode, so ill leave
> > this to the one who reverse engineered svq3
>
> If you point me to him (maybe in private mail since he was anonymous) I
> will contact him.
i suspect he reads this mailing list, so that shouldnt be needed

[...]

--

-- 
Michael
level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent #5,905,535)
buf[i]= qp - buf[i-1];				(violates patent #?)
for more examples, see http://mplayerhq.hu/~michael/patent.html
stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en

-------------------------------------------------------
This SF.Net email sponsored by Black Hat Briefings & Training.
Attend Black Hat Briefings & Training, Las Vegas July 24-29 -

(Continue reading)

Michael Niedermayer | 1 Jul 2004 01:46

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Re: CVS: ffmpeg/libavcodec h264.c,1.44,1.45

Hi

On Thursday 01 July 2004 00:57, Måns Rullgård wrote:
> michael <at> mplayerhq.hu (Michael Niedermayer CVS) writes:
> > Update of /cvsroot/ffmpeg/ffmpeg/libavcodec
> > In directory mail:/var2/tmp/cvs-serv28539
> >
> > Modified Files:
> > 	h264.c
> > Log Message:
> > 1000l
>
> Please, could you try to give some indication as to which bug this
> fixes?
#971636

--

-- 
Michael
level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent #5,905,535)
buf[i]= qp - buf[i-1];				(violates patent #?)
for more examples, see http://mplayerhq.hu/~michael/patent.html
stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en

-------------------------------------------------------
This SF.Net email sponsored by Black Hat Briefings & Training.
Attend Black Hat Briefings & Training, Las Vegas July 24-29 - 
digital self defense, top technical experts, no vendor pitches, 
unmatched networking opportunities. Visit www.blackhat.com

(Continue reading)

Michael Niedermayer CVS | 1 Jul 2004 02:45

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CVS: ffmpeg/doc ffmpeg-doc.texi,1.51,1.52

Update of /cvsroot/ffmpeg/ffmpeg/doc
In directory mail:/var2/tmp/cvs-serv18582

Modified Files:
	ffmpeg-doc.texi 
Log Message:
Ffmpeg supports AAC doesn't it patch by (Benjamin Larsson <banan at student dot ltu dot se>)

Index: ffmpeg-doc.texi
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/doc/ffmpeg-doc.texi,v
retrieving revision 1.51
retrieving revision 1.52
diff -u -d -r1.51 -r1.52
--- ffmpeg-doc.texi	24 Jun 2004 18:39:24 -0000	1.51
+++ ffmpeg-doc.texi	1 Jul 2004 00:45:16 -0000	1.52
 <at>  <at>  -774,6 +774,8  <at>  <at> 
  <at> item Vorbis                  <at> tab  X    <at> tab  X
  <at> tab supported through the external library libvorbis
  <at> item WMA V1/V2               <at> tab       <at> tab X
+ <at> item AAC                     <at> tab X     <at> tab X
+ <at> tab supported through the external library libfaac/libfaad
  <at> item Microsoft ADPCM         <at> tab X     <at> tab X
  <at> item MS IMA ADPCM            <at> tab X     <at> tab X
  <at> item QT IMA ADPCM            <at> tab       <at> tab X

-------------------------------------------------------
This SF.Net email sponsored by Black Hat Briefings & Training.
Attend Black Hat Briefings & Training, Las Vegas July 24-29 - 
digital self defense, top technical experts, no vendor pitches,

(Continue reading)

Michael Niedermayer | 1 Jul 2004 02:45

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Re: [Patch] Documentation update

Hi

On Thursday 01 July 2004 01:10, Benjamin Larsson wrote:
> Ffmpeg supports AAC doesn't it ?
applied

[...]
--

-- 
Michael
level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent #5,905,535)
buf[i]= qp - buf[i-1];				(violates patent #?)
for more examples, see http://mplayerhq.hu/~michael/patent.html
stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en

-------------------------------------------------------
This SF.Net email sponsored by Black Hat Briefings & Training.
Attend Black Hat Briefings & Training, Las Vegas July 24-29 - 
digital self defense, top technical experts, no vendor pitches, 
unmatched networking opportunities. Visit www.blackhat.com

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