stream_output: handle Flushing via sout_MuxFlush()

Signed-off-by: Thomas Guillem <thomas@gllm.fr>

include/vlc_sout.h

@@ -175,6 +175,7 @@ VLC_API void sout_MuxDeleteStream( sout_mux_t *, sout_input_t * );
 VLC_API void sout_MuxDelete( sout_mux_t * );
 VLC_API int sout_MuxSendBuffer( sout_mux_t *, sout_input_t  *, block_t * );
 VLC_API int sout_MuxGetStream(sout_mux_t *, unsigned, mtime_t *);
+VLC_API void sout_MuxFlush( sout_mux_t *, sout_input_t * );
 
 static inline int sout_MuxControl( sout_mux_t *p_mux, int i_query, ... )
 {

modules/stream_out/standard.c

@@ -143,6 +143,12 @@ static int Send( sout_stream_t *p_stream, sout_stream_id_sys_t *id,
 {
     return sout_MuxSendBuffer( p_stream->p_sys->p_mux, (sout_input_t*)id, p_buffer );
 }
+
+static void Flush( sout_stream_t *p_stream, sout_stream_id_sys_t *id )
+{
+    sout_MuxFlush( p_stream->p_sys->p_mux, (sout_input_t*)id );
+}
+
 static void create_SDP(sout_stream_t *p_stream, sout_access_out_t *p_access)
 {
     sout_stream_sys_t   *p_sys = p_stream->p_sys;
@@ -405,6 +411,7 @@ static int Open( vlc_object_t *p_this )
     p_stream->pf_add    = Add;
     p_stream->pf_del    = Del;
     p_stream->pf_send   = Send;
+    p_stream->pf_flush  = Flush;
     if( !sout_AccessOutCanControlPace( p_access ) )
         p_stream->pace_nocontrol = true;
 

src/libvlccore.sym

@@ -384,6 +384,7 @@ sout_MuxDeleteStream
 sout_MuxGetStream
 sout_MuxNew
 sout_MuxSendBuffer
+sout_MuxFlush
 sout_StreamChainDelete
 sout_StreamChainNew
 spu_Create

src/stream_output/stream_output.c

@@ -562,6 +562,11 @@ int sout_MuxSendBuffer( sout_mux_t *p_mux, sout_input_t *p_input,
     return p_mux->pf_mux( p_mux );
 }
 
+void sout_MuxFlush( sout_mux_t *p_mux, sout_input_t *p_input )
+{
+    VLC_UNUSED(p_mux);
+    block_FifoEmpty( p_input->p_fifo );
+}
 
 /*****************************************************************************
  * sout_MuxGetStream: find stream to be muxed