[FFmpeg-devel] [PATCH] avcodec: add OpenJPEG 2.x compatibility

mjbshaw at gmail.com mjbshaw at gmail.com
Wed Dec 2 18:56:03 CET 2015


> On Nov 19, 2015, at 6:31 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
> 
>> On Wed, Nov 18, 2015 at 09:22:57PM -0800, Michael Bradshaw wrote:
>> On Wed, Nov 18, 2015 at 8:00 AM, Michael Niedermayer <michael at niedermayer.cc
>>> wrote:
>> 
>>>> On Tue, Nov 17, 2015 at 07:27:55AM -0800, Michael Bradshaw wrote:
>>>> Hi,
>>>> 
>>>> Attached patch adds support for OpenJPEG 2.0/2.1. Please review.
>>>> 
>>>> Thanks,
>>>> 
>>>> Michael Bradshaw
>>> 
>>>> configure                   |    5
>>>> libavcodec/libopenjpegdec.c |  173 ++++++++++++++++++++++++----
>>>> libavcodec/libopenjpegenc.c |  269
>>> +++++++++++++++++++++++++++++++++++++-------
>>>> 3 files changed, 382 insertions(+), 65 deletions(-)
>>>> 4e7c94ca16fa09210c4d74a4cf589ae9db540e9a
>>> 0001-avcodec-add-OpenJPEG-2.x-compatibility.patch
>>>> From 1cdf996b7fdaed429731054e96f9e6b565c9436d Mon Sep 17 00:00:00 2001
>>>> From: Michael Bradshaw <mjbshaw at google.com>
>>>> Date: Sun, 1 Nov 2015 19:11:12 -0800
>>>> Subject: [PATCH] avcodec: add OpenJPEG 2.x compatibility
>>> 
>>> this seems breaking the decoder
>>> 
>>> ./ffmpeg -i matrixbench_mpeg2.mpg  -vcodec libopenjpeg -vframes 1 test.j2k
>>> 
>>> ./ffmpeg -strict -2 -vcodec libopenjpeg -i test.j2k -f null -
>>> 
>>> [libopenjpeg @ 0x28f3220] Error decoding codestream header.
>>> [j2k_pipe @ 0x28d1bc0] decoding for stream 0 failed
>>> [j2k_pipe @ 0x28d1bc0] Could not find codec parameters for stream 0
>>> (Video: jpeg2000, none): unspecified size
>>> Consider increasing the value for the 'analyzeduration' and 'probesize'
>>> options
>>> test.j2k: could not find codec parameters
>> 
>> 
>> Oops, misplaced a ! in some last minute cleanup. Fixed patch attached.
> 
>> configure                   |    5 
>> libavcodec/libopenjpegdec.c |  173 ++++++++++++++++++++++++----
>> libavcodec/libopenjpegenc.c |  269 +++++++++++++++++++++++++++++++++++++-------
>> 3 files changed, 382 insertions(+), 65 deletions(-)
>> dc1ec76dc92d0a03c8fec0d4c14228e14f1c4e1e  0001-avcodec-add-OpenJPEG-2.x-compatibility.patch
>> From 2fff5b8f6832d93ae65a75953db842c3fe6d9e86 Mon Sep 17 00:00:00 2001
>> From: Michael Bradshaw <mjbshaw at google.com>
>> Date: Sun, 1 Nov 2015 19:11:12 -0800
>> Subject: [PATCH] avcodec: add OpenJPEG 2.x compatibility
> 
> should i apply this ?
> (it seems working, but it seems some people where nt entirely happy
> are there objectiosn remaiing after Michael Bradshaws replies?)

Ping. Any objections/nits from anyone?


More information about the ffmpeg-devel mailing list