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Refresh OpenH264 dlopen patch

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This commit is contained in:
Neal Gompa 2022-02-18 08:14:36 -05:00
parent 5b62d5dd33
commit 316babd019
1 changed files with 17 additions and 15 deletions
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32
ffmpeg-dlopen-openh264.patch
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@ -1,6 +1,6 @@
From e831c68c93ed2d155178aa89b06901558298ce30 Mon Sep 17 00:00:00 2001
From 5f72b7ea6a214f3c32e4089486ece8f1ad3d07a7 Mon Sep 17 00:00:00 2001
From: Neal Gompa <ngompa@fedoraproject.org>
Date: Fri, 18 Feb 2022 07:42:05 -0500
Date: Fri, 18 Feb 2022 08:12:54 -0500
Subject: [PATCH] avcodec/openh264: Add the ability to dlopen() OpenH264
We can't directly depend on OpenH264, but we can weakly link to it
@ -17,14 +17,14 @@ Signed-off-by: Neal Gompa <ngompa@fedoraproject.org>
libavcodec/libopenh264.c | 15 +++-
libavcodec/libopenh264_dlopen.c | 147 ++++++++++++++++++++++++++++++++
libavcodec/libopenh264_dlopen.h | 58 +++++++++++++
libavcodec/libopenh264dec.c | 9 ++
libavcodec/libopenh264enc.c | 9 ++
7 files changed, 241 insertions(+), 1 deletion(-)
libavcodec/libopenh264dec.c | 10 +++
libavcodec/libopenh264enc.c | 10 +++
7 files changed, 243 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/libopenh264_dlopen.c
create mode 100644 libavcodec/libopenh264_dlopen.h
diff --git a/configure b/configure
index 6b5ef6332e..f08e566e98 100755
index 6b5ef6332e..0a7ccc7dc4 100755
--- a/configure
+++ b/configure
@@ -250,6 +250,7 @@ External library support:
@ -47,7 +47,7 @@ index 6b5ef6332e..f08e566e98 100755
require libopencv 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 libopenh264_dlopen && enable libopenh264 && add_cppflags "-I$(dirname `readlink -f $0`)/ffdlopenhdrs/include -DCONFIG_LIBOPENH264_DLOPEN=1"
+enabled libopenh264_dlopen && enable libopenh264 && add_cppflags "-I$(dirname readlink -f $0)/ffdlopenhdrs/include -DCONFIG_LIBOPENH264_DLOPEN=1"
enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
{ require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
@ -316,7 +316,7 @@ index 0000000000..d7d8bb7cad
+
+#endif /* HAVE_LIBOPENH264_DLOPEN_H */
diff --git a/libavcodec/libopenh264dec.c b/libavcodec/libopenh264dec.c
index 7f5e85402a..34b238519e 100644
index 97d3630df6..feb0a0927e 100644
--- a/libavcodec/libopenh264dec.c
+++ b/libavcodec/libopenh264dec.c
@@ -19,8 +19,12 @@
@ -332,20 +332,21 @@ index 7f5e85402a..34b238519e 100644
#include "libavutil/common.h"
#include "libavutil/fifo.h"
@@ -55,6 +59,11 @@ static av_cold int svc_decode_init(AVCodecContext *avctx)
@@ -55,6 +59,12 @@ static av_cold int svc_decode_init(AVCodecContext *avctx)
int log_level;
WelsTraceCallback callback_function;
+#ifdef CONFIG_LIBOPENH264_DLOPEN
+ if (loadLibOpenH264(avctx))
+ if (loadLibOpenH264(avctx)) {
+ return AVERROR_DECODER_NOT_FOUND;
+ }
+#endif
+
if ((err = ff_libopenh264_check_version(avctx)) < 0)
return err;
return AVERROR_DECODER_NOT_FOUND;
diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c
index de4b85c411..644458a5bb 100644
index 2001dc22b4..c8b1348df2 100644
--- a/libavcodec/libopenh264enc.c
+++ b/libavcodec/libopenh264enc.c
@@ -19,8 +19,12 @@
@ -361,17 +362,18 @@ index de4b85c411..644458a5bb 100644
#include "libavutil/attributes.h"
#include "libavutil/common.h"
@@ -136,6 +140,11 @@ static av_cold int svc_encode_init(AVCodecContext *avctx)
@@ -136,6 +140,12 @@ static av_cold int svc_encode_init(AVCodecContext *avctx)
WelsTraceCallback callback_function;
AVCPBProperties *props;
+#ifdef CONFIG_LIBOPENH264_DLOPEN
+ if (loadLibOpenH264(avctx))
+ if (loadLibOpenH264(avctx)) {
+ return AVERROR_ENCODER_NOT_FOUND;
+ }
+#endif
+
if ((err = ff_libopenh264_check_version(avctx)) < 0)
return err;
return AVERROR_ENCODER_NOT_FOUND;
--
2.34.1