+/*****************************************************************************
+ * ReSynch:
+ *****************************************************************************/
+static int ReSynch( demux_t *p_demux )
+{
+ const uint8_t *p_peek;
+ int i_skip;
+ int i_peek;
+
+ while( vlc_object_alive (p_demux) )
+ {
+ if( ( i_peek = stream_Peek( p_demux->s, &p_peek, 1024 ) ) < 8 )
+ {
+ return VLC_EGENERIC;
+ }
+ i_skip = 0;
+
+ while( i_skip < i_peek - 4 )
+ {
+ if( !memcmp( p_peek, "NSVf", 4 )
+ || !memcmp( p_peek, "NSVs", 4 ) )
+ {
+ if( i_skip > 0 )
+ {
+ stream_Read( p_demux->s, NULL, i_skip );
+ }
+ return VLC_SUCCESS;
+ }
+ p_peek++;
+ i_skip++;
+ }
+
+ stream_Read( p_demux->s, NULL, i_skip );
+ }
+ return VLC_EGENERIC;
+}
+
+/*****************************************************************************
+ * ReadNSVf:
+ *****************************************************************************/
+static int ReadNSVf( demux_t *p_demux )
+{
+ /* demux_sys_t *p_sys = p_demux->p_sys; */
+ const uint8_t *p;
+ int i_size;
+
+ msg_Dbg( p_demux, "new NSVf chunk" );
+ if( stream_Peek( p_demux->s, &p, 8 ) < 8 )
+ {
+ return VLC_EGENERIC;
+ }
+
+ i_size = GetDWLE( &p[4] );
+ msg_Dbg( p_demux, " - size=%d", i_size );
+
+ return stream_Read( p_demux->s, NULL, i_size ) == i_size ? VLC_SUCCESS : VLC_EGENERIC;
+}
+/*****************************************************************************
+ * ReadNSVs:
+ *****************************************************************************/
+static int ReadNSVs( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ uint8_t header[19];
+ vlc_fourcc_t fcc;
+
+ if( stream_Read( p_demux->s, header, 19 ) < 19 )
+ {
+ msg_Warn( p_demux, "cannot read" );
+ return VLC_EGENERIC;
+ }
+
+ /* Video */
+ switch( ( fcc = VLC_FOURCC( header[4], header[5], header[6], header[7] ) ) )
+ {
+ case VLC_FOURCC( 'V', 'P', '3', ' ' ):
+ case VLC_FOURCC( 'V', 'P', '3', '0' ):
+ fcc = VLC_FOURCC( 'V', 'P', '3', '0' );
+ break;
+
+ case VLC_FOURCC( 'V', 'P', '3', '1' ):
+ fcc = VLC_FOURCC( 'V', 'P', '3', '1' );
+ break;
+
+ case VLC_FOURCC( 'V', 'P', '5', ' ' ):
+ case VLC_FOURCC( 'V', 'P', '5', '0' ):
+ fcc = VLC_FOURCC( 'V', 'P', '5', '0' );
+ break;
+ case VLC_FOURCC( 'V', 'P', '6', '0' ):
+ case VLC_FOURCC( 'V', 'P', '6', '1' ):
+ case VLC_FOURCC( 'V', 'P', '6', '2' ):
+ case VLC_FOURCC( 'H', '2', '6', '4' ):
+ case VLC_FOURCC( 'N', 'O', 'N', 'E' ):
+ break;
+ default:
+ msg_Warn( p_demux, "unknown codec %4.4s", (char *)&fcc );
+ break;
+ }
+ if( fcc != VLC_FOURCC( 'N', 'O', 'N', 'E' ) && fcc != p_sys->fmt_video.i_codec )
+ {
+ es_format_Init( &p_sys->fmt_video, VIDEO_ES, fcc );
+ p_sys->fmt_video.video.i_width = GetWLE( &header[12] );
+ p_sys->fmt_video.video.i_height = GetWLE( &header[14] );
+ if( p_sys->p_video )
+ {
+ es_out_Del( p_demux->out, p_sys->p_video );
+ }
+ p_sys->p_video = es_out_Add( p_demux->out, &p_sys->fmt_video );
+
+ msg_Dbg( p_demux, " - video `%4.4s' %dx%d",
+ (char*)&fcc,
+ p_sys->fmt_video.video.i_width,
+ p_sys->fmt_video.video.i_height );
+ }
+
+ /* Audio */
+ switch( ( fcc = VLC_FOURCC( header[8], header[9], header[10], header[11] ) ) )
+ {
+ case VLC_FOURCC( 'M', 'P', '3', ' ' ):
+ fcc = VLC_FOURCC( 'm', 'p', 'g', 'a' );
+ break;
+ case VLC_FOURCC( 'P', 'C', 'M', ' ' ):
+ fcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
+ break;
+ case VLC_FOURCC( 'A', 'A', 'C', ' ' ):
+ case VLC_FOURCC( 'A', 'A', 'C', 'P' ):
+ fcc = VLC_FOURCC( 'm', 'p', '4', 'a' );
+ break;
+ case VLC_FOURCC( 'S', 'P', 'X', ' ' ):
+ fcc = VLC_FOURCC( 's', 'p', 'x', ' ' );
+ break;
+ case VLC_FOURCC( 'N', 'O', 'N', 'E' ):
+ break;
+ default:
+ msg_Warn( p_demux, "unknown codec %4.4s", (char *)&fcc );
+ break;
+ }
+
+ if( fcc != VLC_FOURCC( 'N', 'O', 'N', 'E' ) && fcc != p_sys->fmt_audio.i_codec )
+ {
+ msg_Dbg( p_demux, " - audio `%4.4s'", (char*)&fcc );
+
+ if( p_sys->p_audio )
+ {
+ es_out_Del( p_demux->out, p_sys->p_audio );
+ p_sys->p_audio = NULL;
+ }
+ es_format_Init( &p_sys->fmt_audio, AUDIO_ES, fcc );
+ }
+
+ if( header[16]&0x80 )
+ {
+ /* Fractional frame rate */
+ switch( header[16]&0x03 )
+ {
+ case 0: /* 30 fps */
+ p_sys->i_pcr_inc = 33333; /* 300000/9 */
+ break;
+ case 1: /* 29.97 fps */
+ p_sys->i_pcr_inc = 33367; /* 300300/9 */
+ break;
+ case 2: /* 25 fps */
+ p_sys->i_pcr_inc = 40000; /* 360000/9 */
+ break;
+ case 3: /* 23.98 fps */
+ p_sys->i_pcr_inc = 41700; /* 375300/9 */
+ break;
+ }
+
+ if( header[16] < 0xc0 )
+ p_sys->i_pcr_inc = p_sys->i_pcr_inc * (((header[16] ^ 0x80) >> 2 ) +1 );
+ else
+ p_sys->i_pcr_inc = p_sys->i_pcr_inc / (((header[16] ^ 0xc0) >> 2 ) +1 );
+ }
+ else if( header[16] != 0 )
+ {
+ /* Integer frame rate */
+ p_sys->i_pcr_inc = 1000000 / header[16];
+ }
+ else
+ {
+ msg_Dbg( p_demux, "invalid fps (0x00)" );
+ p_sys->i_pcr_inc = 40000;
+ }
+ //msg_Dbg( p_demux, " - fps=%.3f", 1000000.0 / (double)p_sys->i_pcr_inc );
+
+ return VLC_SUCCESS;
+}