From b2df42a97836ed8a97c4479b22e494ae24855b66 Mon Sep 17 00:00:00 2001
From: Silvan Calarco <silvan.calarco@mambasoft.it>
Date: Fri, 5 Jan 2024 22:15:23 +0100
Subject: [PATCH] patched to add av_stream_get-first_dts function for chromium
 [release 5.0-2mamba;Mon Feb 21 2022]

---
 ...av_stream_get_first_dts-for-chromium.patch | 44 +++++++++++++++++++
 ffmpeg.spec                                   |  7 ++-
 2 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 ffmpeg-5.0-add-av_stream_get_first_dts-for-chromium.patch

diff --git a/ffmpeg-5.0-add-av_stream_get_first_dts-for-chromium.patch b/ffmpeg-5.0-add-av_stream_get_first_dts-for-chromium.patch
new file mode 100644
index 0000000..fb55898
--- /dev/null
+++ b/ffmpeg-5.0-add-av_stream_get_first_dts-for-chromium.patch
@@ -0,0 +1,44 @@
+From 95aab0fd83619408995720ce53d7a74790580220 Mon Sep 17 00:00:00 2001
+From: "liberato@chromium.org" <liberato@chromium.org>
+Date: Wed, 7 Jul 2021 19:01:22 -0700
+Subject: [PATCH] Add av_stream_get_first_dts for Chromium
+
+[foutrelis: adjust for new FFStream struct replacing AVStreamInternal]
+---
+ libavformat/avformat.h | 4 ++++
+ libavformat/utils.c    | 7 +++++++
+ 2 files changed, 11 insertions(+)
+
+diff --git a/libavformat/avformat.h b/libavformat/avformat.h
+index cd7b0d941c..b4a6dce885 100644
+--- a/libavformat/avformat.h
++++ b/libavformat/avformat.h
+@@ -1010,6 +1010,10 @@ struct AVCodecParserContext *av_stream_get_parser(const AVStream *s);
+  */
+ int64_t    av_stream_get_end_pts(const AVStream *st);
+ 
++// Chromium: We use the internal field first_dts vvv
++int64_t    av_stream_get_first_dts(const AVStream *st);
++// Chromium: We use the internal field first_dts ^^^
++
+ #define AV_PROGRAM_RUNNING 1
+ 
+ /**
+diff --git a/libavformat/utils.c b/libavformat/utils.c
+index de7580c32d..0ef0fe530e 100644
+--- a/libavformat/utils.c
++++ b/libavformat/utils.c
+@@ -121,6 +121,13 @@ int64_t av_stream_get_end_pts(const AVStream *st)
+         return AV_NOPTS_VALUE;
+ }
+ 
++// Chromium: We use the internal field first_dts vvv
++int64_t av_stream_get_first_dts(const AVStream *st)
++{
++  return cffstream(st)->first_dts;
++}
++// Chromium: We use the internal field first_dts ^^^
++
+ struct AVCodecParserContext *av_stream_get_parser(const AVStream *st)
+ {
+     return st->internal->parser;
diff --git a/ffmpeg.spec b/ffmpeg.spec
index c8c90fa..f508576 100644
--- a/ffmpeg.spec
+++ b/ffmpeg.spec
@@ -5,7 +5,7 @@
 Name:          ffmpeg
 Epoch:         1
 Version:       5.0
-Release:       1mamba
+Release:       2mamba
 Summary:       Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder
 Group:         System/Libraries
 Vendor:        openmamba
@@ -17,6 +17,7 @@ Patch1:        %{name}-0.4.9-pic.patch
 Patch2:        %{name}-20080820svn-libx264.patch
 Patch3:        %{name}-0.5-x264.patch
 Patch4:        %{name}-0.11-install_url_h.patch
+Patch5:        ffmpeg-5.0-add-av_stream_get_first_dts-for-chromium.patch
 License:       LGPL, GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -312,6 +313,7 @@ This is a virtual package that contains the dependencies necessary for installin
 %prep
 %setup -q -n ffmpeg-%{buildver}
 %patch4 -p1
+%patch5 -p1 -b .add-av_stream_get_first_dts-for-chromium
 
 %build
 # configure not generated by autoconf
@@ -571,6 +573,9 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 %{_docdir}/ffmpeg/*
 
 %changelog
+* Mon Feb 21 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 5.0-2mamba
+- patched to add av_stream_get-first_dts function for chromium
+
 * Mon Jan 24 2022 Automatic Build System <autodist@mambasoft.it> 5.0-1mamba
 - automatic version update by autodist