Cherry pick PR #2103: Remove audio write limit after video eos written (

#2537)

Refer to the original PR: #2103

b/309651931

---------

Co-authored-by: Jason <jasonzh@google.com>

cobalt/media/base/sbplayer_pipeline.cc

@@ -391,6 +391,7 @@ void SbPlayerPipeline::Seek(TimeDelta time, const SeekCB& seek_cb) {
   StoreMediaTime(seek_time_);
   retrograde_media_time_counter_ = 0;
   timestamp_of_last_written_audio_ = 0;
+  is_video_eos_written_ = false;
 
 #if SB_HAS(PLAYER_WITH_URL)
   if (is_url_based_) {
@@ -1055,6 +1056,9 @@ void SbPlayerPipeline::OnDemuxerStreamRead(
   } else {
     for (const auto& buffer : buffers) {
       playback_statistics_.OnVideoAU(buffer);
+      if (buffer->end_of_stream()) {
+        is_video_eos_written_ = true;
+      }
     }
   }
   SetReadInProgress(type, false);
@@ -1096,7 +1100,8 @@ void SbPlayerPipeline::OnNeedData(DemuxerStream::Type type,
     // after the player has received enough audio for preroll, taking into
     // account that our estimate of playback time might be behind by
     // |kMediaTimeCheckInterval|.
-    if (timestamp_of_last_written_audio_ - seek_time_.ToSbTime() >
+    if (!is_video_eos_written_ &&
+        timestamp_of_last_written_audio_ - seek_time_.ToSbTime() >
         AdjustWriteDurationForPlaybackRate(audio_write_duration_for_preroll_,
                                            playback_rate_)) {
       // The estimated time ahead of playback may be negative if no audio has

cobalt/media/base/sbplayer_pipeline.h

@@ -337,6 +337,9 @@ class MEDIA_EXPORT SbPlayerPipeline : public Pipeline,
   static const SbTime kMediaTimeCheckInterval = 0.1 * kSbTimeSecond;
   // Timestamp for the last written audio.
   SbTime timestamp_of_last_written_audio_ = 0;
+  // Indicates if video end of stream has been written into the underlying
+  // player.
+  bool is_video_eos_written_ = false;
 
   // Last media time reported by GetMediaTime().
   base::CVal<SbTime> last_media_time_;