[FFmpeg-devel] [PATCH] Add support for libopenjpeg 2.3

Clément Bœsch u at pkh.me
Sun Oct 8 14:43:45 EEST 2017


On Sun, Oct 08, 2017 at 04:51:49PM +0530, Gyan Doshi wrote:
> OpenJPEG 2.3 was released a few days ago. Changelog reports "No API/ABI
> break compared to v2.2.0 but additional symbols for subset of components
> decoding"
> 
> This patch is adapted from an earlier patch which added support for 2.2.
> 
> Applied and tested locally.

> From c42f0c4290170cb49dc00f7898bee31d2e8ee814 Mon Sep 17 00:00:00 2001
> From: Gyan Doshi <gyandoshi at gmail.com>
> Date: Sun, 8 Oct 2017 14:59:23 +0530
> Subject: [PATCH] lavc: add support for openjpeg 2.3
> 
> Signed-off-by: Gyan Doshi <gyandoshi at gmail.com>
> ---
>  configure                   |  5 ++++-
>  libavcodec/libopenjpegdec.c |  8 +++++---
>  libavcodec/libopenjpegenc.c | 10 ++++++----
>  3 files changed, 15 insertions(+), 8 deletions(-)
> 
> diff --git a/configure b/configure
> index 391c141e7a..3280e74f0f 100755
> --- a/configure
> +++ b/configure
> @@ -1930,6 +1930,7 @@ HEADERS_LIST="
>      machine_ioctl_meteor_h
>      malloc_h
>      opencv2_core_core_c_h
> +    openjpeg_2_3_openjpeg_h
>      openjpeg_2_2_openjpeg_h
>      openjpeg_2_1_openjpeg_h
>      openjpeg_2_0_openjpeg_h
> @@ -5950,7 +5951,9 @@ enabled libopencv         && { check_header opencv2/core/core_c.h &&
>                                   require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
>                                 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
>  enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
> -enabled libopenjpeg       && { { check_lib libopenjpeg openjpeg-2.2/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
> +enabled libopenjpeg       && { { check_lib libopenjpeg openjpeg-2.3/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
> +                               check_lib libopenjpeg openjpeg-2.3/openjpeg.h opj_version -lopenjp2 ||
> +							   { check_lib libopenjpeg openjpeg-2.2/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
>                                 check_lib libopenjpeg openjpeg-2.2/openjpeg.h opj_version -lopenjp2 ||
>                                 { check_lib libopenjpeg openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
>                                 check_lib libopenjpeg openjpeg-2.1/openjpeg.h opj_version -lopenjp2 ||

I'm sorry but this needs to stop. Why the hell do we have to add a ton of
garbage to the configure every time there is a new openjpeg release?

Why is it the only project that pollutes the configure like this at every
release?

[...]
> -#if HAVE_OPENJPEG_2_2_OPENJPEG_H || HAVE_OPENJPEG_2_1_OPENJPEG_H || HAVE_OPENJPEG_2_0_OPENJPEG_H
> +#if HAVE_OPENJPEG_2_3_OPENJPEG_H || HAVE_OPENJPEG_2_2_OPENJPEG_H || HAVE_OPENJPEG_2_1_OPENJPEG_H || HAVE_OPENJPEG_2_0_OPENJPEG_H

...and then this?

Yeah well, please put an end to this. This condition should be something
like #if OPENJPEG_MAJOR >= 2 or something like that.

[...]

-- 
Clément B.
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