/* Misc */
int b_reinit;
- int i_theora_keyframe_granule_shift;
+ int i_granule_shift;
+
+ /* kate streams have the number of headers in the ID header */
+ int i_kate_num_headers;
/* for Annodex logical bitstreams */
int secondary_header_packets;
static void Ogg_ReadTheoraHeader( logical_stream_t *, ogg_packet * );
static void Ogg_ReadVorbisHeader( logical_stream_t *, ogg_packet * );
static void Ogg_ReadSpeexHeader( logical_stream_t *, ogg_packet * );
+static void Ogg_ReadKateHeader( logical_stream_t *, ogg_packet * );
static void Ogg_ReadFlacHeader( demux_t *, logical_stream_t *, ogg_packet * );
static void Ogg_ReadAnnodexHeader( vlc_object_t *, logical_stream_t *, ogg_packet * );
/* Convert the granulepos into a pcr */
if( p_oggpacket->granulepos >= 0 )
{
- if( p_stream->fmt.i_codec != VLC_FOURCC( 't','h','e','o' ) )
- {
- p_stream->i_pcr = p_oggpacket->granulepos * INT64_C(1000000)
- / p_stream->f_rate;
- }
- else
+ if( p_stream->fmt.i_codec == VLC_FOURCC( 't','h','e','o' ) ||
+ p_stream->fmt.i_codec == VLC_FOURCC( 'k','a','t','e' ) )
{
ogg_int64_t iframe = p_oggpacket->granulepos >>
- p_stream->i_theora_keyframe_granule_shift;
+ p_stream->i_granule_shift;
ogg_int64_t pframe = p_oggpacket->granulepos -
- ( iframe << p_stream->i_theora_keyframe_granule_shift );
+ ( iframe << p_stream->i_granule_shift );
p_stream->i_pcr = ( iframe + pframe ) * INT64_C(1000000)
/ p_stream->f_rate;
}
+ else
+ {
+ p_stream->i_pcr = p_oggpacket->granulepos * INT64_C(1000000)
+ / p_stream->f_rate;
+ }
p_stream->i_interpolated_pcr = p_stream->i_pcr;
}
{
uint8_t *p_extra;
bool b_store_size = true;
+ bool b_store_num_headers = false;
p_stream->i_packets_backup++;
switch( p_stream->fmt.i_codec )
b_store_size = false;
break;
+ case VLC_FOURCC( 'k','a','t','e' ):
+ if( p_stream->i_packets_backup == 1)
+ b_store_num_headers = true;
+ if( p_stream->i_packets_backup == p_stream->i_kate_num_headers ) p_stream->b_force_backup = 0;
+ break;
+
default:
p_stream->b_force_backup = 0;
break;
/* Backup the ogg packet (likely an header packet) */
p_stream->p_headers =
realloc( p_stream->p_headers, p_stream->i_headers +
- p_oggpacket->bytes + (b_store_size ? 2 : 0) );
+ p_oggpacket->bytes + (b_store_size ? 2 : 0) + (b_store_num_headers ? 1 : 0) );
p_extra = p_stream->p_headers + p_stream->i_headers;
+ if( b_store_num_headers )
+ {
+ /* Kate streams store the number of headers in the first header,
+ so we can't just test for 3 as Vorbis/Theora */
+ *(p_extra++) = p_stream->i_kate_num_headers;
+ }
if( b_store_size )
{
*(p_extra++) = p_oggpacket->bytes >> 8;
*(p_extra++) = p_oggpacket->bytes & 0xFF;
}
memcpy( p_extra, p_oggpacket->packet, p_oggpacket->bytes );
- p_stream->i_headers += p_oggpacket->bytes + (b_store_size ? 2 : 0);
+ p_stream->i_headers += p_oggpacket->bytes + (b_store_size ? 2 : 0) + (b_store_num_headers ? 1 : 0);
if( !p_stream->b_force_backup )
{
p_stream->fmt.i_codec != VLC_FOURCC( 'f','l','a','c' ) &&
p_stream->fmt.i_codec != VLC_FOURCC( 't','a','r','k' ) &&
p_stream->fmt.i_codec != VLC_FOURCC( 't','h','e','o' ) &&
- p_stream->fmt.i_codec != VLC_FOURCC( 'c','m','m','l' ) )
+ p_stream->fmt.i_codec != VLC_FOURCC( 'c','m','m','l' ) &&
+ p_stream->fmt.i_codec != VLC_FOURCC( 'k','a','t','e' ) )
{
/* We remove the header from the packet */
i_header_len = (*p_oggpacket->packet & PACKET_LEN_BITS01) >> 6;
Ogg_ReadAnnodexHeader( VLC_OBJECT(p_demux), p_stream,
&oggpacket );
}
+ /* Check for Kate header */
+ else if( oggpacket.bytes >= 9 &&
+ ! memcmp( &oggpacket.packet[1], "kate\0\0\0\0", 8 ) )
+ {
+ Ogg_ReadKateHeader( p_stream, &oggpacket );
+ msg_Dbg( p_demux, "found kate header" );
+ }
else if( oggpacket.bytes >= 142 &&
!memcmp( &oggpacket.packet[1],
"Direct Show Samples embedded in Ogg", 35 ))
#define p_stream p_ogg->pp_stream[i_stream]
p_stream->p_es = es_out_Add( p_demux->out, &p_stream->fmt );
+ // TODO: something to do here ?
if( p_stream->fmt.i_codec == VLC_FOURCC('c','m','m','l') )
{
/* Set the CMML stream active */
i_keyframe_frequency_force = 1 << bs_read( &bitstream, 5 );
/* granule_shift = i_log( frequency_force -1 ) */
- p_stream->i_theora_keyframe_granule_shift = 0;
+ p_stream->i_granule_shift = 0;
i_keyframe_frequency_force--;
while( i_keyframe_frequency_force )
{
- p_stream->i_theora_keyframe_granule_shift++;
+ p_stream->i_granule_shift++;
i_keyframe_frequency_force >>= 1;
}
}
}
+static void Ogg_ReadKateHeader( logical_stream_t *p_stream,
+ ogg_packet *p_oggpacket )
+{
+ oggpack_buffer opb;
+ int32_t gnum;
+ int32_t gden;
+ int n;
+
+ p_stream->fmt.i_cat = SPU_ES;
+ p_stream->fmt.i_codec = VLC_FOURCC( 'k','a','t','e' );
+
+ /* Signal that we want to keep a backup of the kate
+ * stream headers. They will be used when switching between
+ * kate streams. */
+ p_stream->b_force_backup = 1;
+
+ /* Cheat and get additionnal info ;) */
+ oggpack_readinit( &opb, p_oggpacket->packet, p_oggpacket->bytes);
+ oggpack_adv( &opb, 11*8 ); /* packet type, kate magic, version */
+ p_stream->i_kate_num_headers = oggpack_read( &opb, 8 );
+ oggpack_adv( &opb, 3*8 );
+ p_stream->i_granule_shift = oggpack_read( &opb, 8 );
+ oggpack_adv( &opb, 8*8 ); /* reserved */
+ gnum = oggpack_read( &opb, 32 );
+ gden = oggpack_read( &opb, 32 );
+ p_stream->f_rate = (double)gnum/gden;
+
+ p_stream->fmt.psz_language = malloc(16);
+ if (p_stream->fmt.psz_language)
+ {
+ for (n=0;n<16;++n)
+ p_stream->fmt.psz_language[n] = oggpack_read(&opb,8);
+ p_stream->fmt.psz_language[15] = 0; /* just in case */
+ }
+ else
+ {
+ for (n=0;n<16;++n)
+ oggpack_read(&opb,8);
+ }
+ p_stream->fmt.psz_description = malloc(16);
+ if (p_stream->fmt.psz_description)
+ {
+ for (n=0;n<16;++n)
+ p_stream->fmt.psz_description[n] = oggpack_read(&opb,8);
+ p_stream->fmt.psz_description[15] = 0; /* just in case */
+ }
+ else
+ {
+ for (n=0;n<16;++n)
+ oggpack_read(&opb,8);
+ }
+}
+
static void Ogg_ReadAnnodexHeader( vlc_object_t *p_this,
logical_stream_t *p_stream,
ogg_packet *p_oggpacket )
projects / vlc / blobdiff