From fe44dc1d43f34e4440f4c398bbf2475a07f80ffc Mon Sep 17 00:00:00 2001
From: Good Guy <good1.2guy@gmail.com>
Date: Tue, 30 Jun 2015 14:41:59 -0600
Subject: [PATCH] add buffer flush to ffmpeg seek, clear loop_session on load
 replace mode

---
 cinelerra-5.0/cinelerra/ffmpeg.C  | 8 +++++---
 cinelerra-5.0/cinelerra/ffmpeg.h  | 9 ++-------
 cinelerra-5.0/cinelerra/mwindow.C | 1 +
 3 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/cinelerra-5.0/cinelerra/ffmpeg.C b/cinelerra-5.0/cinelerra/ffmpeg.C
index 26ed21a4..16d6fe05 100644
--- a/cinelerra-5.0/cinelerra/ffmpeg.C
+++ b/cinelerra-5.0/cinelerra/ffmpeg.C
@@ -548,14 +548,14 @@ int FFAudioStream::audio_seek(int64_t pos)
 		return 0;
 	}
 	if( pos == curr_pos ) return 0;
+	avcodec_flush_buffers(st->codec);
 	double secs = (double)pos / sample_rate;
 	int64_t tstmp = secs * st->time_base.den / st->time_base.num;
 	if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
 	avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, tstmp, INT64_MAX, 0);
 	seek_pos = curr_pos = pos;
-	mbsz = 0;
-	reset();
-	st_eof(0);
+	reset();  st_eof(0);
+	mbsz = 0; flushed = 0;  need_packet = 1;
 	return 1;
 }
 
@@ -646,6 +646,7 @@ int FFVideoStream::video_seek(int64_t pos)
 	if( gop < 4 ) gop = 4;
 	if( gop > 64 ) gop = 64;
 	if( pos >= curr_pos && pos <= curr_pos + gop ) return 0;
+	avcodec_flush_buffers(st->codec);
 // back up a few frames to read up to current to help repair damages
 	if( (pos-=gop) < 0 ) pos = 0;
 	double secs = (double)pos / frame_rate;
@@ -654,6 +655,7 @@ int FFVideoStream::video_seek(int64_t pos)
 	avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, tstmp, INT64_MAX, 0);
 	seek_pos = curr_pos = pos;
 	st_eof(0);
+	flushed = 0;  need_packet = 1;
 	return 1;
 }
 
diff --git a/cinelerra-5.0/cinelerra/ffmpeg.h b/cinelerra-5.0/cinelerra/ffmpeg.h
index 41941e73..040bdcda 100644
--- a/cinelerra-5.0/cinelerra/ffmpeg.h
+++ b/cinelerra-5.0/cinelerra/ffmpeg.h
@@ -126,13 +126,8 @@ public:
 	int reading, writing;
 	int eof;
 
-	int st_eof() {
-		return eof;
-	}
-	void st_eof(int v) {
-		if( !v ) { flushed = 0;  need_packet = 1; }
-		eof = v;
-	}
+	int st_eof() { return eof; }
+	void st_eof(int v) { eof = v; }
 };
 
 class FFAudioStream : public FFStream {
diff --git a/cinelerra-5.0/cinelerra/mwindow.C b/cinelerra-5.0/cinelerra/mwindow.C
index 1a1d4dba..e992fe1d 100644
--- a/cinelerra-5.0/cinelerra/mwindow.C
+++ b/cinelerra-5.0/cinelerra/mwindow.C
@@ -1422,6 +1422,7 @@ if(debug) printf("MWindow::load_filenames %d\n", __LINE__);
 		select_asset(0, 0);
 		edl->local_session->preview_start = 0;
 		edl->local_session->preview_end = edl->tracks->total_playable_length();
+		edl->local_session->loop_playback = 0;
 		edl->local_session->set_selectionstart(0);
 		edl->local_session->set_selectionend(0);
 		fit_selection();
-- 
2.26.2