File ffmpeg-chromium.patch of Package A_tw-ffmpeg-7

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

---
 libavformat/avformat.h |    4 ++++
 libavformat/utils.c    |    7 +++++++
 2 files changed, 11 insertions(+)

Index: ffmpeg-7.1/libavformat/avformat.h
===================================================================
--- ffmpeg-7.1.orig/libavformat/avformat.h
+++ ffmpeg-7.1/libavformat/avformat.h
@@ -1202,6 +1202,10 @@ typedef struct AVStreamGroup {
 
 struct AVCodecParserContext *av_stream_get_parser(const AVStream *s);
 
+// 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-7.1/libavformat/utils.c
===================================================================
--- ffmpeg-7.1.orig/libavformat/utils.c
+++ ffmpeg-7.1/libavformat/utils.c
@@ -44,6 +44,13 @@
  * various utility functions for use within FFmpeg
  */
 
+// 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 ^^^
+
 /* an arbitrarily chosen "sane" max packet size -- 50M */
 #define SANE_CHUNK_SIZE (50000000)