From a897ad9e7222a3f8af1d75bc9c787da3bd464c33 Mon Sep 17 00:00:00 2001
From: Paul Gilbert <dreammaster@scummvm.org>
Date: Fri, 30 Jun 2017 20:34:28 -0400
Subject: [PATCH] VIDEO: Add method to VideoDecoder to erase a track

---
 video/video_decoder.cpp | 17 +++++++++++++++++
 video/video_decoder.h   |  5 +++++
 2 files changed, 22 insertions(+)

diff --git a/video/video_decoder.cpp b/video/video_decoder.cpp
index 05b6e7ce2a0..e4016d8de86 100644
--- a/video/video_decoder.cpp
+++ b/video/video_decoder.cpp
@@ -910,4 +910,21 @@ bool VideoDecoder::hasAudio() const {
 	return false;
 }
 
+void VideoDecoder::eraseTrack(Track *track) {
+	for (uint idx = 0; idx < _externalTracks.size(); ++idx) {
+		if (_externalTracks[idx] == track)
+			_externalTracks.remove_at(idx);
+	}
+
+	for (uint idx = 0; idx < _internalTracks.size(); ++idx) {
+		if (_internalTracks[idx] == track)
+			_internalTracks.remove_at(idx);
+	}
+
+	for (uint idx = 0; idx < _tracks.size(); ++idx) {
+		if (_tracks[idx] == track)
+			_tracks.remove_at(idx);
+	}
+}
+
 } // End of namespace Video
diff --git a/video/video_decoder.h b/video/video_decoder.h
index a415a707243..598a67d3f80 100644
--- a/video/video_decoder.h
+++ b/video/video_decoder.h
@@ -885,6 +885,11 @@ protected:
 	 */
 	TrackListIterator getTrackListEnd() { return _internalTracks.end(); }
 
+	/**
+	 * Removes a specified track
+	 */
+	void eraseTrack(Track *track);
+
 	/**
 	 * The internal seek function that does the actual seeking.
 	 *