MPEG play needs to trigger a stop event when a "program end" (0xB9) i…

…s found at the demux level.

for issue #96

dosbox-0.74-3/src/hardware/reelmagic_pl_mpeg.h

@@ -579,6 +579,7 @@ static const int PLM_DEMUX_PACKET_AUDIO_2 = 0xC1;
 static const int PLM_DEMUX_PACKET_AUDIO_3 = 0xC2;
 static const int PLM_DEMUX_PACKET_AUDIO_4 = 0xC2;
 static const int PLM_DEMUX_PACKET_VIDEO_1 = 0xE0;
+static const int PLM_DEMUX_PROGRAM_END    = 0xB9;
 
 
 // Create a demuxer with a plm_buffer as source. This will also attempt to read
@@ -647,6 +648,14 @@ double plm_demux_get_duration(plm_demux_t *self, int type);
 
 plm_packet_t *plm_demux_decode(plm_demux_t *self);
 
+// Get whether the demux "stop on program end" flag is set
+
+int plm_demux_get_stop_on_program_end(plm_demux_t *self);
+
+// Sets demux "stop on program end" flag
+
+void plm_demux_set_stop_on_program_end(plm_demux_t *self, int stop_on_program_end);
+
 
 
 // -----------------------------------------------------------------------------
@@ -1703,6 +1712,7 @@ static const int PLM_START_SYSTEM = 0xBB;
 typedef struct plm_demux_t {
 	plm_buffer_t *buffer;
 	int destroy_buffer_when_done;
+	int stop_on_program_end;
 	double system_clock_ref;
 
 	size_t last_file_size;
@@ -2087,11 +2097,22 @@ plm_packet_t *plm_demux_decode(plm_demux_t *self) {
 		) {
 			return plm_demux_decode_packet(self, self->start_code);
 		}
+		else if (self->start_code == PLM_DEMUX_PROGRAM_END) {
+			if (self->stop_on_program_end) return NULL;
+		}
 	} while (self->start_code != -1);
 
 	return NULL;
 }
 
+int plm_demux_get_stop_on_program_end(plm_demux_t *self) {
+	return self->stop_on_program_end;
+}
+
+void plm_demux_set_stop_on_program_end(plm_demux_t *self, int stop_on_program_end) {
+	self->stop_on_program_end = stop_on_program_end;
+}
+
 double plm_demux_decode_time(plm_demux_t *self) {
 	int64_t clock = plm_buffer_read(self->buffer, 3) << 30;
 	plm_buffer_skip(self->buffer, 1);

dosbox-0.74-3/src/hardware/reelmagic_player.cpp

@@ -369,6 +369,7 @@ namespace { class ReelMagic_MediaPlayerImplementation : public ReelMagic_MediaPl
       _file->GetFileSize()
     );
     _plm = plm_create_with_buffer(plmBuf, TRUE); //TRUE = destroy buffer when done
+    plm_demux_set_stop_on_program_end(_plm->demux, TRUE);
 
     if (!plm_has_headers(_plm)) {
       //failed to detect an MPEG-1 PS (muxed) stream... try MPEG-ES assuming video-only...