1 files changed, 111 insertions, 0 deletions
diff --git a/src/xine-engine/demux.c b/src/xine-engine/demux.c
new file mode 100644
index 000000000..631fce7f2
--- /dev/null
+++ b/src/xine-engine/demux.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2000-2002 the xine project
+ *
+ * This file is part of xine, a unix video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * Demuxer helper functions
+ * hide some xine engine details from demuxers and reduce code duplication
+ *
+ * $id$ 
+ */
+
+#include "xine_internal.h"
+#include "demuxers/demux.h"
+#include "buffer.h"
+
+
+/* internal use only - called from demuxers on seek/stop
+ * warning: after clearing decoders fifos an absolute discontinuity
+ *          indication must be sent. relative discontinuities are likely
+ *          to cause "jumps" on metronom.
+ */
+void xine_demux_flush_engine (xine_t *this) {
+
+  buf_element_t *buf;
+
+  this->video_fifo->clear(this->video_fifo);
+  if( this->audio_fifo )
+    this->audio_fifo->clear(this->audio_fifo);
+  
+  buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
+  buf->type            = BUF_CONTROL_RESET_DECODER;
+  this->video_fifo->put (this->video_fifo, buf);
+
+  if(this->audio_fifo) {
+    buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo);
+    buf->type            = BUF_CONTROL_RESET_DECODER;
+    this->audio_fifo->put (this->audio_fifo, buf);
+  }
+  
+  this->metronom->adjust_clock(this->metronom,
+			       this->metronom->get_current_time(this->metronom) + 30 * 90000 );
+
+  if (this->audio_out)
+    this->audio_out->control(this->audio_out, AO_CTRL_FLUSH_BUFFERS);
+}
+
+
+void xine_demux_control_newpts( xine_t *this, int64_t pts, uint32_t flags ) {
+
+  buf_element_t *buf;
+      
+  buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
+  buf->type = BUF_CONTROL_NEWPTS;
+  buf->decoder_flags = flags;
+  buf->disc_off = pts;
+  this->video_fifo->put (this->video_fifo, buf);
+
+  if (this->audio_fifo) {
+    buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo);
+    buf->type = BUF_CONTROL_NEWPTS;
+    buf->decoder_flags = flags;
+    buf->disc_off = pts;
+    this->audio_fifo->put (this->audio_fifo, buf);
+  }
+}
+
+void xine_demux_control_start( xine_t *this ) {
+
+  buf_element_t *buf;
+      
+  buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
+  buf->type = BUF_CONTROL_START;
+  this->video_fifo->put (this->video_fifo, buf);
+
+  if (this->audio_fifo) {
+    buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo);
+    buf->type = BUF_CONTROL_START;
+    this->audio_fifo->put (this->audio_fifo, buf);
+  }
+}
+
+void xine_demux_control_end( xine_t *this, uint32_t flags ) {
+
+  buf_element_t *buf;
+      
+  buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
+  buf->type = BUF_CONTROL_END;
+  buf->decoder_flags = flags;
+  this->video_fifo->put (this->video_fifo, buf);
+
+  if (this->audio_fifo) {
+    buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo);
+    buf->type = BUF_CONTROL_END;
+    buf->decoder_flags = flags;
+    this->audio_fifo->put (this->audio_fifo, buf);
+  }
+}