diff -Nru freshplayerplugin-0.3.9.orig/debian/changelog freshplayerplugin-0.3.9/debian/changelog
--- freshplayerplugin-0.3.9.orig/debian/changelog	2018-07-19 10:42:44.000000000 +0200
+++ freshplayerplugin-0.3.9/debian/changelog	2018-07-31 00:05:00.963880818 +0200
@@ -1,3 +1,12 @@
+freshplayerplugin (0.3.9-0ubuntu3) cosmic; urgency=medium
+
+  * debian/control:
+    - Only build amd64 and i386.
+  * debian/patches/use-AV_-prefixed-macros.patch:
+    - Prevent build failure with ffmpeg 7:4.0.2.
+
+ -- Gunnar Hjalmarsson <gunnarhj@ubuntu.com>  Tue, 31 Jul 2018 00:05:00 +0200
+
 freshplayerplugin (0.3.9-0ubuntu2) cosmic; urgency=medium
 
   * No-change rebuild for ffmpeg soname changes.
diff -Nru freshplayerplugin-0.3.9.orig/debian/control freshplayerplugin-0.3.9/debian/control
--- freshplayerplugin-0.3.9.orig/debian/control	2018-06-21 18:43:11.000000000 +0200
+++ freshplayerplugin-0.3.9/debian/control	2018-07-30 22:52:27.378575593 +0200
@@ -38,7 +38,7 @@
 Homepage: https://github.com/i-rinat/freshplayerplugin
 
 Package: browser-plugin-freshplayer-pepperflash
-Architecture: any
+Architecture: amd64 i386
 Depends: ${shlibs:Depends},
          ${misc:Depends}
 Recommends: adobe-flashplugin
diff -Nru freshplayerplugin-0.3.9.orig/debian/patches/series freshplayerplugin-0.3.9/debian/patches/series
--- freshplayerplugin-0.3.9.orig/debian/patches/series	2018-06-21 17:18:36.000000000 +0200
+++ freshplayerplugin-0.3.9/debian/patches/series	2018-07-30 23:50:14.849224354 +0200
@@ -0,0 +1 @@
+use-AV_-prefixed-macros.patch
diff -Nru freshplayerplugin-0.3.9.orig/debian/patches/use-AV_-prefixed-macros.patch freshplayerplugin-0.3.9/debian/patches/use-AV_-prefixed-macros.patch
--- freshplayerplugin-0.3.9.orig/debian/patches/use-AV_-prefixed-macros.patch	1970-01-01 01:00:00.000000000 +0100
+++ freshplayerplugin-0.3.9/debian/patches/use-AV_-prefixed-macros.patch	2018-07-30 23:49:30.854850200 +0200
@@ -0,0 +1,74 @@
+From 934aa9c24d34f8203744b56e4ac6e8599446ca02 Mon Sep 17 00:00:00 2001
+From: Rinat Ibragimov <ibragimovrinat@mail.ru>
+Date: Tue, 26 Dec 2017 16:16:39 +0300
+Subject: [PATCH] ppb_video_decoder: use AV_ prefixed macros
+
+Looks like newer FFmpeg versions have droped old definitions.
+---
+ cmake/ffmpeg-compat/CMakeLists.txt     |  1 +
+ cmake/ffmpeg-compat/cfg_avcodecflags.c |  4 ++++
+ cmake/ffmpeg-compat/ffmpeg_compat.h.in |  1 +
+ src/ppb_video_decoder.c                | 11 ++++++++---
+ 4 files changed, 14 insertions(+), 3 deletions(-)
+ create mode 100644 cmake/ffmpeg-compat/cfg_avcodecflags.c
+
+diff --git a/cmake/ffmpeg-compat/CMakeLists.txt b/cmake/ffmpeg-compat/CMakeLists.txt
+index 732a71ee..8f67c581 100644
+--- a/cmake/ffmpeg-compat/CMakeLists.txt
++++ b/cmake/ffmpeg-compat/CMakeLists.txt
+@@ -29,6 +29,7 @@ MACRO_C_SOURCE_CHECK(cfg_av_pix_fmt_vdpau.c HAVE_AV_PIX_FMT_VDPAU)
+ MACRO_C_SOURCE_CHECK(cfg_avcodecid.c HAVE_AVCodecID)
+ MACRO_C_SOURCE_CHECK(cfg_avcodeccontext_get_buffer2.c HAVE_AVCodecContext_get_buffer2)
+ MACRO_C_SOURCE_CHECK(cfg_AVVDPAUContext.c HAVE_AVVDPAUContext)
++MACRO_C_SOURCE_CHECK(cfg_avcodecflags.c HAVE_AV_CODEC_FLAGS)
+ 
+ MACRO_SYMBOL_CHECK(av_frame_alloc "libavcodec/avcodec.h" HAVE_av_frame_alloc)
+ MACRO_SYMBOL_CHECK(av_frame_free "libavcodec/avcodec.h" HAVE_av_frame_free)
+diff --git a/cmake/ffmpeg-compat/cfg_avcodecflags.c b/cmake/ffmpeg-compat/cfg_avcodecflags.c
+new file mode 100644
+index 00000000..d04de55b
+--- /dev/null
++++ b/cmake/ffmpeg-compat/cfg_avcodecflags.c
+@@ -0,0 +1,4 @@
++#include <libavcodec/avcodec.h>
++int main(void) {
++    return AV_CODEC_FLAG_TRUNCATED + AV_CODEC_CAP_TRUNCATED;
++}
+diff --git a/cmake/ffmpeg-compat/ffmpeg_compat.h.in b/cmake/ffmpeg-compat/ffmpeg_compat.h.in
+index dd40922c..da7834b1 100644
+--- a/cmake/ffmpeg-compat/ffmpeg_compat.h.in
++++ b/cmake/ffmpeg-compat/ffmpeg_compat.h.in
+@@ -6,3 +6,4 @@
+ #define HAVE_av_frame_free              (@HAVE_av_frame_free@)
+ #define HAVE_avcodec_free_context       (@HAVE_avcodec_free_context@)
+ #define HAVE_AVVDPAUContext             (@HAVE_AVVDPAUContext@)
++#define HAVE_AV_CODEC_FLAGS             (@HAVE_AV_CODEC_FLAGS@)
+diff --git a/src/ppb_video_decoder.c b/src/ppb_video_decoder.c
+index eb150725..23647cdd 100644
+--- a/src/ppb_video_decoder.c
++++ b/src/ppb_video_decoder.c
+@@ -70,6 +70,11 @@
+ #define AV_CODEC_ID_H264        CODEC_ID_H264
+ #endif // !HAVE_AVCodecID
+ 
++#if !HAVE_AV_CODEC_FLAGS
++#define AV_CODEC_CAP_TRUNCATED  CODEC_CAP_TRUNCATED
++#define AV_CODEC_FLAG_TRUNCATED CODEC_FLAG_TRUNCATED
++#endif // !HAVE_AV_CODEC_FLAGS
++
+ enum hwdec_api_e {
+     HWDEC_NONE = 0,
+     HWDEC_VAAPI,
+@@ -620,9 +625,9 @@ initialize_decoder(struct pp_video_decoder_s *vd)
+         goto err;
+     }
+ 
+-    if (vd->avcodec->capabilities & CODEC_CAP_TRUNCATED) {
+-        trace_info("%s, codec have CODEC_CAP_TRUNCATED\n", __func__);
+-        vd->avctx->flags |= CODEC_FLAG_TRUNCATED;
++    if (vd->avcodec->capabilities & AV_CODEC_CAP_TRUNCATED) {
++        trace_info("%s, codec have AV_CODEC_CAP_TRUNCATED\n", __func__);
++        vd->avctx->flags |= AV_CODEC_FLAG_TRUNCATED;
+     }
+ 
+     vd->avctx->opaque = vd;