* Preamble
*****************************************************************************/
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
#include <vlc_demux.h>
#include "vlc_codec.h"
+#include "vlc_meta.h"
+#include "vlc_input.h"
#include "../codec/cc.h"
+#include <assert.h>
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
-vlc_module_begin();
- set_shortname( _("TY") );
- set_description(_("TY Stream audio/video demux"));
- set_category( CAT_INPUT );
- set_subcategory( SUBCAT_INPUT_DEMUX );
- set_capability("demux2", 6);
+vlc_module_begin ()
+ set_shortname( N_("TY") )
+ set_description(N_("TY Stream audio/video demux"))
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_DEMUX )
+ set_capability("demux", 6)
/* FIXME: there seems to be a segfault when using PVR access
* and TY demux has a bigger priority than PS
* Something must be wrong.
*/
- set_callbacks( Open, Close );
- add_shortcut("ty");
- add_shortcut("tivo");
-vlc_module_end();
+ set_callbacks( Open, Close )
+ add_shortcut("ty")
+ add_shortcut("tivo")
+vlc_module_end ()
/*****************************************************************************
* Local prototypes
typedef struct
{
long l_rec_size;
- uint8_t ex1, ex2;
+ uint8_t ex[2];
uint8_t rec_type;
uint8_t subrec_type;
- vlc_bool_t b_ext;
+ bool b_ext;
uint64_t l_ty_pts; /* TY PTS in the record header */
} ty_rec_hdr_t;
TIVO_AUDIO_MPEG
} tivo_audio_t;
+#define XDS_MAX_DATA_SIZE (32)
+typedef enum
+{
+ XDS_CLASS_CURRENT = 0,
+ XDS_CLASS_FUTURE = 1,
+ XDS_CLASS_CHANNEL = 2,
+ XDS_CLASS_MISCELLANEOUS = 3,
+ XDS_CLASS_PUBLIC_SERVICE = 4,
+ XDS_CLASS_RESERVED = 5,
+ XDS_CLASS_UNDEFINED = 6,
+ XDS_CLASS_OTHER = 7,
+
+ XDS_MAX_CLASS_COUNT
+} xds_class_t;
+typedef struct
+{
+ bool b_started;
+ int i_data;
+ uint8_t p_data[XDS_MAX_DATA_SIZE];
+ int i_sum;
+} xds_packet_t;
+typedef enum
+{
+ XDS_META_PROGRAM_RATING_NONE,
+ XDS_META_PROGRAM_RATING_MPAA,
+ XDS_META_PROGRAM_RATING_TPG,
+ /* TODO add CA/CE rating */
+} xds_meta_program_rating_t;
+typedef struct
+{
+ char *psz_name;
+ xds_meta_program_rating_t rating;
+ char *psz_rating;
+ /* Add the other fields once I have the samples */
+} xds_meta_program_t;
+typedef struct
+{
+ char *psz_channel_name;
+ char *psz_channel_call_letter;
+ char *psz_channel_number;
+
+ xds_meta_program_t current;
+ xds_meta_program_t future;
+} xds_meta_t;
+typedef struct
+{
+ /* Are we in XDS mode */
+ bool b_xds;
+
+ /* Current class type */
+ xds_class_t i_class;
+ int i_type;
+ bool b_future;
+
+ /* */
+ xds_packet_t pkt[XDS_MAX_CLASS_COUNT][128]; /* XXX it is way too much, but simpler */
+
+ /* */
+ bool b_meta_changed;
+ xds_meta_t meta;
+
+} xds_t;
+
struct demux_sys_t
{
es_out_id_t *p_video; /* ptr to video codec */
cc_data_t cc;
es_out_id_t *p_cc[4];
+ xds_t xds;
+
int i_cur_chunk;
int i_stuff_cnt;
size_t i_stream_size; /* size of input stream (if known) */
//uint64_t l_program_len; /* length of this stream in msec */
- vlc_bool_t b_seekable; /* is this stream seekable? */
- vlc_bool_t b_have_master; /* are master chunks present? */
+ bool b_seekable; /* is this stream seekable? */
+ bool b_have_master; /* are master chunks present? */
tivo_type_t tivo_type; /* tivo type (SA / DTiVo) */
tivo_series_t tivo_series; /* Series1 or Series2 */
tivo_audio_t audio_type; /* AC3 or MPEG */
//mtime_t l_last_ty_pts_sync; /* audio PTS at time of last TY PTS */
uint64_t l_first_ty_pts; /* first TY PTS in this master chunk */
uint64_t l_final_ty_pts; /* final TY PTS in this master chunk */
- int i_seq_table_size; /* number of entries in SEQ table */
- int i_bits_per_seq_entry; /* # of bits in SEQ table bitmask */
+ unsigned i_seq_table_size; /* number of entries in SEQ table */
+ unsigned i_bits_per_seq_entry; /* # of bits in SEQ table bitmask */
mtime_t firstAudioPTS;
mtime_t lastAudioPTS;
int i_num_recs; /* number of recs in this chunk */
int i_seq_rec; /* record number where seq start is */
ty_seq_table_t *seq_table; /* table of SEQ entries from mstr chk */
- vlc_bool_t eof;
- vlc_bool_t b_first_chunk;
+ bool eof;
+ bool b_first_chunk;
};
static int get_chunk_header(demux_t *);
static int ty_stream_seek_pct(demux_t *p_demux, double seek_pct);
static int ty_stream_seek_time(demux_t *, uint64_t);
-static ty_rec_hdr_t *parse_chunk_headers( demux_t *p_demux, const uint8_t *p_buf,
+static ty_rec_hdr_t *parse_chunk_headers( const uint8_t *p_buf,
int i_num_recs, int *pi_payload_size);
static int probe_stream(demux_t *p_demux);
static void analyze_chunk(demux_t *p_demux, const uint8_t *p_chunk);
static void DemuxDecodeXds( demux_t *p_demux, uint8_t d1, uint8_t d2 );
+static void XdsInit( xds_t * );
+static void XdsExit( xds_t * );
+
+#define TY_ES_GROUP (1)
+
/*
* Open: check file and initialize demux structures
*
U32_AT(&p_peek[8]) != CHUNK_SIZE )
{
if( !p_demux->b_force &&
- !demux2_IsPathExtension( p_demux, ".ty" ) &&
- !demux2_IsPathExtension( p_demux, ".ty+" ) )
+ !demux_IsPathExtension( p_demux, ".ty" ) &&
+ !demux_IsPathExtension( p_demux, ".ty+" ) )
return VLC_EGENERIC;
msg_Warn( p_demux, "this does not look like a TY file, "
"continuing anyway..." );
memset(p_sys, 0, sizeof(demux_sys_t));
/* set up our struct (most were zero'd out with the memset above) */
- p_sys->b_first_chunk = VLC_TRUE;
+ p_sys->b_first_chunk = true;
p_sys->b_have_master = (U32_AT(p_peek) == TIVO_PES_FILEID);
p_sys->firstAudioPTS = -1;
p_sys->i_stream_size = stream_Size(p_demux->s);
/* register the proper audio codec */
if (p_sys->audio_type == TIVO_AUDIO_MPEG) {
- es_format_Init( &fmt, AUDIO_ES, VLC_FOURCC( 'm', 'p', 'g', 'a' ) );
+ es_format_Init( &fmt, AUDIO_ES, VLC_CODEC_MPGA );
} else {
- es_format_Init( &fmt, AUDIO_ES, VLC_FOURCC( 'a', '5', '2', ' ' ) );
+ es_format_Init( &fmt, AUDIO_ES, VLC_CODEC_A52 );
}
+ fmt.i_group = TY_ES_GROUP;
p_sys->p_audio = es_out_Add( p_demux->out, &fmt );
/* register the video stream */
- es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC( 'm', 'p', 'g', 'v' ) );
+ es_format_Init( &fmt, VIDEO_ES, VLC_CODEC_MPGV );
+ fmt.i_group = TY_ES_GROUP;
p_sys->p_video = es_out_Add( p_demux->out, &fmt );
/* */
p_sys->p_cc[i] = NULL;
cc_Init( &p_sys->cc );
+ XdsInit( &p_sys->xds );
+
return VLC_SUCCESS;
}
if( ( i64 = p_sys->i_stream_size ) > 0 )
{
pf = (double*) va_arg( args, double* );
- *pf = (double)stream_Tell( p_demux->s ) / (double) i64;
+ *pf = ((double)1.0) * stream_Tell( p_demux->s ) / (double) i64;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
+ XdsExit( &p_sys->xds );
cc_Exit( &p_sys->cc );
free( p_sys->rec_hdrs );
- if( p_sys->seq_table )
- free( p_sys->seq_table );
+ free( p_sys->seq_table );
free(p_sys);
}
//subrec_type, esOffset1);
p_sys->lastVideoPTS = get_pts(
&p_block_in->p_buffer[ esOffset1 + VIDEO_PTS_OFFSET ] );
- /*msg_Dbg(p_demux, "Video rec %d PTS "I64Fd, p_sys->i_cur_rec,
+ /*msg_Dbg(p_demux, "Video rec %d PTS %"PRId64, p_sys->i_cur_rec,
p_sys->lastVideoPTS );*/
if (subrec_type != 0x06) {
/* if we found a PES, and it's not type 6, then we're S2 */
continue;
es_format_Init( &fmt, SPU_ES, fcc[i] );
- fmt.psz_description = strdup( _(ppsz_description[i]) );
+ fmt.psz_description = strdup( vlc_gettext(ppsz_description[i]) );
+ fmt.i_group = TY_ES_GROUP;
p_sys->p_cc[i] = es_out_Add( p_demux->out, &fmt );
es_format_Clean( &fmt );
/* Send the CC data */
if( p_block_in->i_pts > 0 && p_sys->cc.i_data > 0 )
{
- int i_cc_count;
-
- block_t *p_cc = block_New( p_demux, p_sys->cc.i_data );
- p_cc->i_flags |= BLOCK_FLAG_TYPE_I;
- p_cc->i_pts = p_block_in->i_pts;
- memcpy( p_cc->p_buffer, p_sys->cc.p_data, p_sys->cc.i_data );
-
- for( i = 0, i_cc_count = 0; i < 4; i++ )
- i_cc_count += p_sys->p_cc[i] ? 1 : 0;
-
for( i = 0; i < 4; i++ )
{
- if( !p_sys->p_cc[i] )
- continue;
- if( i_cc_count > 1 )
- es_out_Send( p_demux->out, p_sys->p_cc[i], block_Duplicate( p_cc ) );
- else
+ if( p_sys->p_cc[i] )
+ {
+ block_t *p_cc = block_New( p_demux, p_sys->cc.i_data );
+ p_cc->i_flags |= BLOCK_FLAG_TYPE_I;
+ p_cc->i_pts = p_block_in->i_pts;
+ memcpy( p_cc->p_buffer, p_sys->cc.p_data, p_sys->cc.i_data );
+
es_out_Send( p_demux->out, p_sys->p_cc[i], p_cc );
+ }
}
cc_Flush( &p_sys->cc );
}
return -1;
#if 0
int i;
- printf( "Audio Packet Header " );
+ fprintf( stderr, "Audio Packet Header " );
for( i = 0 ; i < 24 ; i++ )
- printf( "%2.2x ", p_block_in->p_buffer[i] );
- printf( "\n" );
+ fprintf( stderr, "%2.2x ", p_block_in->p_buffer[i] );
+ fprintf( stderr, "\n" );
#endif
if( subrec_type == 2 )
{
demux_sys_t *p_sys = p_demux->p_sys;
int i_field;
- int i_channel;
if( p_block_in )
block_Release(p_block_in);
/* XDS data (extract programs infos) transmitted on field 2 only */
if( i_field == 1 )
- DemuxDecodeXds( p_demux, rec_hdr->ex1, rec_hdr->ex2 );
+ DemuxDecodeXds( p_demux, rec_hdr->ex[0], rec_hdr->ex[1] );
if( p_sys->cc.i_data + 3 > CC_MAX_DATA_SIZE )
return 0;
- p_sys->cc.p_data[p_sys->cc.i_data+0] = i_field;
- p_sys->cc.p_data[p_sys->cc.i_data+1] = rec_hdr->ex1;
- p_sys->cc.p_data[p_sys->cc.i_data+2] = rec_hdr->ex2;
- p_sys->cc.i_data += 3;
-
- i_channel = cc_Channel( i_field, &p_sys->cc.p_data[p_sys->cc.i_data+1] );
- if( i_channel >= 0 && i_channel < 4 )
- p_sys->cc.pb_present[i_channel] = VLC_TRUE;
+ cc_AppendData( &p_sys->cc, i_field, rec_hdr->ex );
return 0;
}
{
demux_sys_t *p_sys = p_demux->p_sys;
int64_t seek_pos = p_sys->i_stream_size * seek_pct;
- int i, i_cur_part;
long l_skip_amt;
+ int i;
+ unsigned i_cur_part;
/* if we're not seekable, there's nothing to do */
if (!p_sys->b_seekable)
/* seek within the chunk to get roughly to where we want */
p_sys->i_cur_rec = (int)
((double) ((seek_pos % CHUNK_SIZE) / (double) (CHUNK_SIZE)) * p_sys->i_num_recs);
- msg_Dbg(p_demux, "Seeked to file pos " I64Fd, seek_pos);
+ msg_Dbg(p_demux, "Seeked to file pos %"PRId64, seek_pos);
msg_Dbg(p_demux, " (chunk %d, record %d)",
p_sys->i_cur_chunk - 1, p_sys->i_cur_rec);
/* to hell with syncing any audio or video, just start reading records... :) */
/*p_sys->lastAudioPTS = p_sys->lastVideoPTS = 0;*/
- es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
return VLC_SUCCESS;
}
+/* XDS decoder */
+//#define TY_XDS_DEBUG
+static void XdsInit( xds_t *h )
+{
+ int i, j;
+
+ h->b_xds = false;
+ h->i_class = XDS_MAX_CLASS_COUNT;
+ h->i_type = 0;
+ h->b_future = false;
+ for( i = 0; i < XDS_MAX_CLASS_COUNT; i++ )
+ {
+ for( j = 0; j < 128; j++ )
+ h->pkt[i][j].b_started = false;
+ }
+ h->b_meta_changed = false;
+ memset( &h->meta, 0, sizeof(h->meta) );
+}
+static void XdsExit( xds_t *h )
+{
+ /* */
+ free( h->meta.psz_channel_name );
+ free( h->meta.psz_channel_call_letter );
+ free( h->meta.psz_channel_number );
+
+ /* */
+ free( h->meta.current.psz_name );
+ free( h->meta.current.psz_rating );
+ /* */
+ free( h->meta.future.psz_name );
+ free( h->meta.future.psz_rating );
+}
+static void XdsStringUtf8( char dst[2*32+1], const uint8_t *p_src, int i_src )
+{
+ int i;
+ int i_dst;
+
+ for( i = 0, i_dst = 0; i < i_src; i++ )
+ {
+ switch( p_src[i] )
+ {
+#define E2( c, u1, u2 ) case c: dst[i_dst++] = u1; dst[i_dst++] = u2; break
+ E2( 0x2a, 0xc3,0xa1); // lowercase a, acute accent
+ E2( 0x5c, 0xc3,0xa9); // lowercase e, acute accent
+ E2( 0x5e, 0xc3,0xad); // lowercase i, acute accent
+ E2( 0x5f, 0xc3,0xb3); // lowercase o, acute accent
+ E2( 0x60, 0xc3,0xba); // lowercase u, acute accent
+ E2( 0x7b, 0xc3,0xa7); // lowercase c with cedilla
+ E2( 0x7c, 0xc3,0xb7); // division symbol
+ E2( 0x7d, 0xc3,0x91); // uppercase N tilde
+ E2( 0x7e, 0xc3,0xb1); // lowercase n tilde
+#undef E2
+ default:
+ dst[i_dst++] = p_src[i];
+ break;
+ }
+ }
+ dst[i_dst++] = '\0';
+}
+static bool XdsChangeString( xds_t *h, char **ppsz_dst, const char *psz_new )
+{
+ if( *ppsz_dst && psz_new && !strcmp( *ppsz_dst, psz_new ) )
+ return false;
+ if( *ppsz_dst == NULL && psz_new == NULL )
+ return false;
+
+ free( *ppsz_dst );
+ if( psz_new )
+ *ppsz_dst = strdup( psz_new );
+ else
+ *ppsz_dst = NULL;
+
+ h->b_meta_changed = true;
+ return true;
+}
+
+static void XdsDecodeCurrentFuture( xds_t *h, xds_packet_t *pk )
+{
+ xds_meta_program_t *p_prg = h->b_future ? &h->meta.future : &h->meta.current;
+ char name[2*32+1];
+ int i_rating;
+
+ switch( h->i_type )
+ {
+ case 0x03:
+ XdsStringUtf8( name, pk->p_data, pk->i_data );
+ if( XdsChangeString( h, &p_prg->psz_name, name ) )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Current/Future (Program Name) %d'\n", pk->i_data );
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: ====> program name %s\n", name );
+ }
+ break;
+ case 0x05:
+ i_rating = (pk->p_data[0] & 0x18);
+ if( i_rating == 0x08 )
+ {
+ /* TPG */
+ static const char *pppsz_ratings[8][2] = {
+ { "None", "No rating (no content advisory)" },
+ { "TV-Y", "All Children (no content advisory)" },
+ { "TV-Y7", "Directed to Older Children (V = Fantasy Violence)" },
+ { "TV-G", "General Audience (no content advisory)" },
+ { "TV-PG", "Parental Guidance Suggested" },
+ { "TV-14", "Parents Strongly Cautioned" },
+ { "TV-MA", "Mature Audience Only" },
+ { "None", "No rating (no content advisory)" }
+ };
+ p_prg->rating = XDS_META_PROGRAM_RATING_TPG;
+ if( XdsChangeString( h, &p_prg->psz_rating, pppsz_ratings[pk->p_data[1]&0x07][0] ) )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Current/Future (Rating) %d'\n", pk->i_data );
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: ====> TPG Rating %s (%s)\n",
+ // pppsz_ratings[pk->p_data[1]&0x07][0], pppsz_ratings[pk->p_data[1]&0x07][1] );
+ }
+ }
+ else if( i_rating == 0x00 || i_rating == 0x10 )
+ {
+ /* MPAA */
+ static const char *pppsz_ratings[8][2] = {
+ { "N/A", "N/A" },
+ { "G", "General Audiences" },
+ { "PG", "Parental Guidance Suggested" },
+ { "PG-13", "Parents Strongly Cautioned" },
+ { "R", "Restricted" },
+ { "NC-17", "No one 17 and under admitted" },
+ { "X", "No one under 17 admitted" },
+ { "NR", "Not Rated" },
+ };
+ p_prg->rating = XDS_META_PROGRAM_RATING_MPAA;
+ if( XdsChangeString( h, &p_prg->psz_rating, pppsz_ratings[pk->p_data[0]&0x07][0] ) )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Current/Future (Rating) %d'\n", pk->i_data );
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: ====> TPG Rating %s (%s)\n",
+ // pppsz_ratings[pk->p_data[0]&0x07][0], pppsz_ratings[pk->p_data[0]&0x07][1] );
+ }
+ }
+ else
+ {
+ /* Non US Rating TODO */
+ assert( i_rating == 0x18 ); // only left value possible */
+ p_prg->rating = XDS_META_PROGRAM_RATING_NONE;
+ if( XdsChangeString( h, &p_prg->psz_rating, NULL ) )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Current/Future (Rating) %d'\n", pk->i_data );
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: ====> 0x%2.2x 0x%2.2x\n", pk->p_data[0], pk->p_data[1] );
+ }
+ }
+ break;
+
+ default:
+#ifdef TY_XDS_DEBUG
+ fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Current/Future (Unknown 0x%x)'\n", h->i_type );
+#endif
+ break;
+ }
+}
+
+static void XdsDecodeChannel( xds_t *h, xds_packet_t *pk )
+{
+ char name[2*32+1];
+ char chan[2*32+1];
+
+ switch( h->i_type )
+ {
+ case 0x01:
+ if( pk->i_data < 2 )
+ return;
+ XdsStringUtf8( name, pk->p_data, pk->i_data );
+ if( XdsChangeString( h, &h->meta.psz_channel_name, name ) )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Channel (Network Name) %d'\n", pk->i_data );
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: ====> %s\n", name );
+ }
+ break;
+
+ case 0x02:
+ if( pk->i_data < 4 )
+ return;
+
+ XdsStringUtf8( name, pk->p_data, 4 );
+ if( XdsChangeString( h, &h->meta.psz_channel_call_letter, name ) )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Channel (Network Call Letter)' %d\n", pk->i_data );
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: ====> call letter %s\n", name );
+ }
+ if( pk->i_data >= 6 )
+ {
+ XdsStringUtf8( chan, &pk->p_data[4], 2 );
+ if( XdsChangeString( h, &h->meta.psz_channel_number, chan ) )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Channel (Network Call Letter)' %d\n", pk->i_data );
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: ====> channel number %s\n", chan );
+ }
+ }
+ else
+ {
+ if( XdsChangeString( h, &h->meta.psz_channel_number, NULL ) )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Channel (Network Call Letter)' %d\n", pk->i_data );
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: ====> no channel number letter anymore\n" );
+ }
+ }
+ break;
+ case 0x03:
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Channel (Channel Tape Delay)'\n" );
+ break;
+ case 0x04:
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Channel (Transmission Signal Identifier)'\n" );
+ break;
+ default:
+#ifdef TY_XDS_DEBUG
+ fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Channel (Unknown 0x%x)'\n", h->i_type );
+#endif
+ break;
+ }
+}
+
+static void XdsDecode( xds_t *h, xds_packet_t *pk )
+{
+ switch( h->i_class )
+ {
+ case XDS_CLASS_CURRENT:
+ case XDS_CLASS_FUTURE:
+ XdsDecodeCurrentFuture( h, pk );
+ break;
+ case XDS_CLASS_CHANNEL:
+ XdsDecodeChannel( h, pk );
+ break;
+ case XDS_CLASS_MISCELLANEOUS:
+#ifdef TY_XDS_DEBUG
+ fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Miscellaneous'\n" );
+#endif
+ break;
+ case XDS_CLASS_PUBLIC_SERVICE:
+#ifdef TY_XDS_DEBUG
+ fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: class 'Public Service'\n" );
+#endif
+ break;
+ default:
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS XdsDecode: unknown class\n" );
+ break;
+ }
+}
+
+static void XdsParse( xds_t *h, uint8_t d1, uint8_t d2 )
+{
+ /* TODO check parity */
+ d1 &= 0x7f;
+ d2 &= 0x7f;
+
+ /* */
+ if( d1 >= 0x01 && d1 <= 0x0e )
+ {
+ const xds_class_t i_class = ( d1 - 1 ) >> 1;
+ const int i_type = d2;
+ const bool b_start = d1 & 0x01;
+ xds_packet_t *pk = &h->pkt[i_class][i_type];
+
+ if( !b_start && !pk->b_started )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS Continuying a non started packet, ignoring\n" );
+ h->b_xds = false;
+ return;
+ }
+
+ h->b_xds = true;
+ h->i_class = i_class;
+ h->i_type = i_type;
+ h->b_future = !b_start;
+ pk->b_started = true;
+ if( b_start )
+ {
+ pk->i_data = 0;
+ pk->i_sum = d1 + d2;
+ }
+ }
+ else if( d1 == 0x0f && h->b_xds )
+ {
+ xds_packet_t *pk = &h->pkt[h->i_class][h->i_type];
+
+ /* TODO checksum and decode */
+ pk->i_sum += d1 + d2;
+ if( pk->i_sum & 0x7f )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS invalid checksum, ignoring ---------------------------------\n" );
+ pk->b_started = false;
+ return;
+ }
+ if( pk->i_data <= 0 )
+ {
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS empty packet, ignoring ---------------------------------\n" );
+ pk->b_started = false;
+ return;
+ }
+
+ //if( pk->p_data[pk->i_data-1] == 0x40 ) /* Padding byte */
+ // pk->i_data--;
+ XdsDecode( h, pk );
+
+ /* Reset it */
+ pk->b_started = false;
+ }
+ else if( d1 >= 0x20 && h->b_xds )
+ {
+ xds_packet_t *pk = &h->pkt[h->i_class][h->i_type];
+
+ if( pk->i_data+2 > XDS_MAX_DATA_SIZE )
+ {
+ /* Broken -> reinit */
+ //fprintf( stderr, "xxxxxxxxxxxxxxxXDS broken, reset\n" );
+ h->b_xds = false;
+ pk->b_started = false;
+ return;
+ }
+ /* TODO check parity bit */
+ pk->p_data[pk->i_data++] = d1 & 0x7f;
+ pk->p_data[pk->i_data++] = d2 & 0x7f;
+ pk->i_sum += d1+d2;
+ }
+ else
+ {
+ h->b_xds = false;
+ }
+}
+
static void DemuxDecodeXds( demux_t *p_demux, uint8_t d1, uint8_t d2 )
{
- /* TODO */
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ XdsParse( &p_demux->p_sys->xds, d1, d2 );
+ if( p_demux->p_sys->xds.b_meta_changed )
+ {
+ xds_meta_t *m = &p_sys->xds.meta;
+ vlc_meta_t *p_meta;
+ vlc_epg_t *p_epg;
+
+ /* Channel meta data */
+ p_meta = vlc_meta_New();
+ if( m->psz_channel_name )
+ vlc_meta_SetPublisher( p_meta, m->psz_channel_name );
+ if( m->psz_channel_call_letter )
+ vlc_meta_SetTitle( p_meta, m->psz_channel_call_letter );
+ if( m->psz_channel_number )
+ vlc_meta_AddExtra( p_meta, "Channel number", m->psz_channel_number );
+ es_out_Control( p_demux->out, ES_OUT_SET_GROUP_META, TY_ES_GROUP, p_meta );
+ vlc_meta_Delete( p_meta );
+
+ /* Event meta data (current/future) */
+ p_epg = vlc_epg_New( NULL );
+ if( m->current.psz_name )
+ {
+ vlc_epg_AddEvent( p_epg, 0, 0, m->current.psz_name, NULL, NULL );
+ //if( m->current.psz_rating )
+ // TODO but VLC cannot yet handle rating per epg event
+ vlc_epg_SetCurrent( p_epg, 0 );
+ }
+ if( m->future.psz_name )
+ {
+ }
+ if( p_epg->i_event > 0 )
+ es_out_Control( p_demux->out, ES_OUT_SET_GROUP_EPG, TY_ES_GROUP, p_epg );
+ vlc_epg_Delete( p_epg );
+ }
+ p_demux->p_sys->xds.b_meta_changed = false;
}
/* seek to an exact time position within the stream, if possible.
static int ty_stream_seek_time(demux_t *p_demux, uint64_t l_seek_time)
{
demux_sys_t *p_sys = p_demux->p_sys;
- int i, i_seq_entry = 0;
+ int i_seq_entry = 0;
int i_skip_cnt;
+ unsigned i;
long l_cur_pos = stream_Tell(p_demux->s);
- int i_cur_part = l_cur_pos / TIVO_PART_LENGTH;
+ unsigned i_cur_part = l_cur_pos / TIVO_PART_LENGTH;
long l_seek_secs = l_seek_time / 1000000000;
uint64_t l_fwd_stamp = 1;
so we need to skip past any stream data prior to the seq_rec
in this chunk */
i_skip_cnt = 0;
- for (i=0; i<p_sys->i_seq_rec; i++)
- i_skip_cnt += p_sys->rec_hdrs[i].l_rec_size;
+ for (int j=0; j<p_sys->i_seq_rec; j++)
+ i_skip_cnt += p_sys->rec_hdrs[j].l_rec_size;
stream_Read(p_demux->s, NULL, i_skip_cnt);
p_sys->i_cur_rec = p_sys->i_seq_rec;
//p_sys->l_last_ty_pts = p_sys->rec_hdrs[p_sys->i_seq_rec].l_ty_pts;
{
demux_sys_t *p_sys = p_demux->p_sys;
uint8_t mst_buf[32];
- int i, i_map_size;
+ uint32_t i, i_map_size;
int64_t i_save_pos = stream_Tell(p_demux->s);
int64_t i_pts_secs;
entire table directly from the stream into memory in place. */
/* clear the SEQ table */
- if (p_sys->seq_table != NULL)
- free(p_sys->seq_table);
+ free(p_sys->seq_table);
/* parse header info */
stream_Read(p_demux->s, mst_buf, 32);
p_sys->i_seq_table_size = i / (8 + i_map_size);
/* parse all the entries */
- p_sys->seq_table = malloc(p_sys->i_seq_table_size * sizeof(ty_seq_table_t));
- for (i=0; i<p_sys->i_seq_table_size; i++) {
- stream_Read(p_demux->s, mst_buf, 8 + i_map_size);
+ p_sys->seq_table = calloc(p_sys->i_seq_table_size, sizeof(ty_seq_table_t));
+ if (p_sys->seq_table == NULL)
+ {
+ p_sys->i_seq_table_size = 0;
+ return;
+ }
+ for (unsigned i=0; i<p_sys->i_seq_table_size; i++) {
+ stream_Read(p_demux->s, mst_buf, 8);
p_sys->seq_table[i].l_timestamp = U64_AT(&mst_buf[0]);
if (i_map_size > 8) {
msg_Err(p_demux, "Unsupported SEQ bitmap size in master chunk");
- memset(p_sys->seq_table[i].chunk_bitmask, i_map_size, 0);
+ stream_Read(p_demux->s, NULL, i_map_size);
} else {
+ stream_Read(p_demux->s, mst_buf + 8, i_map_size);
memcpy(p_sys->seq_table[i].chunk_bitmask, &mst_buf[8], i_map_size);
}
}
p_sys->l_first_ty_pts = p_sys->seq_table[0].l_timestamp;
p_sys->l_final_ty_pts =
p_sys->seq_table[p_sys->i_seq_table_size - 1].l_timestamp;
- p_sys->b_have_master = VLC_TRUE;
+ p_sys->b_have_master = true;
i_pts_secs = p_sys->l_first_ty_pts / 1000000000;
- msg_Dbg( p_demux, "first TY pts in master is %02d:%02d:%02d",
- (int)(i_pts_secs / 3600), (int)((i_pts_secs / 60) % 60), (int)(i_pts_secs % 60) );
+ msg_Dbg( p_demux,
+ "first TY pts in master is %02"PRId64":%02"PRId64":%02"PRId64,
+ i_pts_secs / 3600, (i_pts_secs / 60) % 60, i_pts_secs % 60 );
i_pts_secs = p_sys->l_final_ty_pts / 1000000000;
- msg_Dbg( p_demux, "final TY pts in master is %02d:%02d:%02d",
- (int)(i_pts_secs / 3600), (int)((i_pts_secs / 60) % 60), (int)(i_pts_secs % 60) );
+ msg_Dbg( p_demux,
+ "final TY pts in master is %02"PRId64":%02"PRId64":%02"PRId64,
+ i_pts_secs / 3600, (i_pts_secs / 60) % 60, i_pts_secs % 60 );
/* seek past this chunk */
stream_Seek(p_demux->s, i_save_pos + CHUNK_SIZE);
demux_sys_t *p_sys = p_demux->p_sys;
const uint8_t *p_buf;
int i;
- vlc_bool_t b_probe_error = VLC_FALSE;
+ bool b_probe_error = false;
/* we need CHUNK_PEEK_COUNT chunks of data, first one might be a Part header, so ... */
if (stream_Peek( p_demux->s, &p_buf, CHUNK_PEEK_COUNT * CHUNK_SIZE ) <
/* the final tally */
if (p_sys->tivo_series == TIVO_SERIES_UNKNOWN) {
msg_Err(p_demux, "Can't determine Tivo Series.");
- b_probe_error = VLC_TRUE;
+ b_probe_error = true;
}
if (p_sys->audio_type == TIVO_AUDIO_UNKNOWN) {
msg_Err(p_demux, "Can't determine Tivo Audio Type.");
- b_probe_error = VLC_TRUE;
+ b_probe_error = true;
}
if (p_sys->tivo_type == TIVO_TYPE_UNKNOWN) {
msg_Err(p_demux, "Can't determine Tivo Type (SA/DTivo).");
- b_probe_error = VLC_TRUE;
+ b_probe_error = true;
}
return b_probe_error?VLC_EGENERIC:VLC_SUCCESS;
}
int i_num_recs, i;
ty_rec_hdr_t *p_hdrs;
int i_num_6e0, i_num_be0, i_num_9c0, i_num_3c0;
- uint32_t i_payload_size;
+ int i_payload_size;
/* skip if it's a Part header */
if( U32_AT( &p_chunk[ 0 ] ) == TIVO_PES_FILEID )
p_chunk += 4; /* skip past rec count & SEQ bytes */
//msg_Dbg(p_demux, "probe: chunk has %d recs", i_num_recs);
- p_hdrs = parse_chunk_headers(p_demux, p_chunk, i_num_recs, &i_payload_size);
+ p_hdrs = parse_chunk_headers(p_chunk, i_num_recs, &i_payload_size);
/* scan headers.
* 1. check video packets. Presence of 0x6e0 means S1.
* No 6e0 but have be0 means S2.
p_sys->i_seq_rec = p_peek[1];
}
p_sys->i_cur_rec = 0;
- p_sys->b_first_chunk = VLC_FALSE;
+ p_sys->b_first_chunk = false;
/*msg_Dbg( p_demux, "chunk has %d records", i_num_recs );*/
- if (p_sys->rec_hdrs)
- free(p_sys->rec_hdrs);
+ free(p_sys->rec_hdrs);
/* skip past the 4 bytes we "peeked" earlier */
stream_Read( p_demux->s, NULL, 4 );
p_hdr_buf = malloc(i_num_recs * 16);
if (stream_Read(p_demux->s, p_hdr_buf, i_num_recs * 16) < i_num_recs * 16) {
free( p_hdr_buf );
- p_sys->eof = VLC_TRUE;
+ p_sys->eof = true;
return 0;
}
/* parse them */
- p_sys->rec_hdrs = parse_chunk_headers(p_demux, p_hdr_buf, i_num_recs,
+ p_sys->rec_hdrs = parse_chunk_headers(p_hdr_buf, i_num_recs,
&i_payload_size);
free(p_hdr_buf);
}
-static ty_rec_hdr_t *parse_chunk_headers( demux_t *p_demux, const uint8_t *p_buf,
+static ty_rec_hdr_t *parse_chunk_headers( const uint8_t *p_buf,
int i_num_recs, int *pi_payload_size)
{
int i;
/* marker bit 2 set, so read extended data */
b1 = ( ( ( record_header[ 0 ] & 0x0f ) << 4 ) |
( ( record_header[ 1 ] & 0xf0 ) >> 4 ) );
- b1 &= 0x7f;
b2 = ( ( ( record_header[ 1 ] & 0x0f ) << 4 ) |
( ( record_header[ 2 ] & 0xf0 ) >> 4 ) );
- b2 &= 0x7f;
- p_rec_hdr->ex1 = b1;
- p_rec_hdr->ex2 = b2;
+ p_rec_hdr->ex[0] = b1;
+ p_rec_hdr->ex[1] = b2;
p_rec_hdr->l_rec_size = 0;
p_rec_hdr->l_ty_pts = 0;
- p_rec_hdr->b_ext = VLC_TRUE;
+ p_rec_hdr->b_ext = true;
}
else
{
p_rec_hdr->l_rec_size = ( record_header[ 0 ] << 8 |
record_header[ 1 ] ) << 4 | ( record_header[ 2 ] >> 4 );
*pi_payload_size += p_rec_hdr->l_rec_size;
- p_rec_hdr->b_ext = VLC_FALSE;
+ p_rec_hdr->b_ext = false;
p_rec_hdr->l_ty_pts = U64_AT( &record_header[ 8 ] );
}
//fprintf( stderr, "parse_chunk_headers[%d] t=0x%x s=%d\n", i, p_rec_hdr->rec_type, p_rec_hdr->subrec_type );