File ffmpeg-chromium.patch of Package ffmpeg-4

commit	95aab0fd83619408995720ce53d7a74790580220
author	liberato@chromium.org <liberato@chromium.org>	Thu Jul 08 02:01:22 2021
committer	liberato@chromium.org <liberato@chromium.org>	Thu Jul 08 02:01:22 2021
tree	ac725b5e2c548c8142aa7096d8184d87d3876a49
parent	e073b7a22e4993e0a7cab80a42a21524e5349f95

Add av_stream_get_first_dts for Chromium

Index: ffmpeg-4.4.2/libavformat/avformat.h
===================================================================
--- ffmpeg-4.4.2.orig/libavformat/avformat.h
+++ ffmpeg-4.4.2/libavformat/avformat.h
@@ -1141,6 +1141,10 @@ struct AVCodecParserContext *av_stream_g
  */
 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
 
 /**
Index: ffmpeg-4.4.2/libavformat/utils.c
===================================================================
--- ffmpeg-4.4.2.orig/libavformat/utils.c
+++ ffmpeg-4.4.2/libavformat/utils.c
@@ -142,6 +142,13 @@ int64_t av_stream_get_end_pts(const AVSt
         return AV_NOPTS_VALUE;
 }
 
+// Chromium: We use the internal field first_dts vvv
+int64_t av_stream_get_first_dts(const AVStream *st)
+{
+  return st->first_dts;
+}
+// Chromium: We use the internal field first_dts ^^^
+
 struct AVCodecParserContext *av_stream_get_parser(const AVStream *st)
 {
     return st->parser;