* sub.c
*****************************************************************************
* Copyright (C) 1999-2003 VideoLAN
- * $Id: sub.c,v 1.34 2003/11/05 00:17:50 hartman Exp $
+ * $Id: sub.c,v 1.42 2004/01/26 20:02:15 gbazin Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
static void sub_fix( subtitle_demux_t *p_sub );
-static char *ppsz_sub_type[] = { "auto", "microdvd", "subrip", "ssa1", "ssa2-4",
- "vplayer", "sami", "vobsub", NULL };
-
+static char *ppsz_sub_type[] = { "auto", "microdvd", "subrip", "ssa1",
+ "ssa2-4", "vplayer", "sami", "vobsub" };
/*****************************************************************************
* Module descriptor
vlc_module_begin();
set_description( _("Text subtitles demux") );
set_capability( "subtitle demux", 12 );
- add_category_hint( "Subtitles", NULL, VLC_TRUE );
- add_float( "sub-fps", 0.0, NULL,
- "Frames per second",
- SUB_FPS_LONGTEXT, VLC_TRUE );
- add_integer( "sub-delay", 0, NULL,
- "Delay subtitles (in 1/10s)",
- SUB_DELAY_LONGTEXT, VLC_TRUE );
- add_string_from_list( "sub-type", "auto", ppsz_sub_type, NULL,
- "subtitles type",
- SUB_TYPE_LONGTEXT, VLC_TRUE );
+ add_float( "sub-fps", 25.0, NULL,
+ N_("Frames per second"),
+ SUB_FPS_LONGTEXT, VLC_TRUE );
+ add_integer( "sub-delay", 0, NULL,
+ N_("Delay subtitles (in 1/10s)"),
+ SUB_DELAY_LONGTEXT, VLC_TRUE );
+ add_string( "sub-type", "auto", NULL, "Subtitles fileformat",
+ SUB_TYPE_LONGTEXT, VLC_TRUE );
+ change_string_list( ppsz_sub_type, 0, 0 );
set_callbacks( Open, NULL );
vlc_module_end();
while (*p_pos)
{
- if (toupper(*p_pos) == toupper(*psz_little))
+ if (toupper(*p_pos) == toupper(*psz_little))
{
- char * psz_cur1 = p_pos + 1;
- char * psz_cur2 = psz_little + 1;
- while (*psz_cur1 && *psz_cur2 && toupper(*psz_cur1) == toupper(*psz_cur2))
+ char * psz_cur1 = p_pos + 1;
+ char * psz_cur2 = psz_little + 1;
+ while (*psz_cur1 && *psz_cur2 && toupper(*psz_cur1) == toupper(*psz_cur2))
{
- psz_cur1++;
- psz_cur2++;
- }
- if (!*psz_cur2) return p_pos;
- }
- p_pos++;
+ psz_cur1++;
+ psz_cur2++;
+ }
+ if (!*psz_cur2) return p_pos;
+ }
+ p_pos++;
}
return NULL;
}
/*****************************************************************************
* sub_open: Open a subtitle file and add subtitle ES
*****************************************************************************/
-static int sub_open ( subtitle_demux_t *p_sub,
- input_thread_t *p_input,
- char *psz_name,
- mtime_t i_microsecperframe,
- int i_track_id )
+static int sub_open( subtitle_demux_t *p_sub, input_thread_t *p_input,
+ char *psz_name, mtime_t i_microsecperframe,
+ int i_track_id )
{
text_t txt;
vlc_value_t val;
-
- int i;
- int i_sub_type;
- int i_max;
- int (*pf_read_subtitle)( subtitle_demux_t *, text_t *, subtitle_t *, mtime_t ) = NULL;
+ es_format_t fmt;
+ int i, i_sub_type, i_max;
+ int (*pf_read_subtitle)( subtitle_demux_t *, text_t *, subtitle_t *,
+ mtime_t ) = NULL;
p_sub->i_sub_type = SUB_TYPE_UNKNOWN;
p_sub->p_es = NULL;
if( !psz_name || !*psz_name )
{
msg_Err( p_sub, "no subtitle file specified" );
- if( psz_name ) free( psz_name );
return VLC_EGENERIC;
}
if( text_load( &txt, psz_name ) )
{
msg_Err( p_sub, "cannot open `%s' subtitle file", psz_name );
- free( psz_name );
return VLC_EGENERIC;
}
+
msg_Dbg( p_sub, "opened `%s'", psz_name );
- free( psz_name );
var_Get( p_sub, "sub-fps", &val );
if( val.i_int >= 1.0 )
{
- var_Get( p_sub, "sub-fps", &val );
i_microsecperframe = (mtime_t)( (float)1000000 / val.f_float );
}
- else if( i_microsecperframe <= 0 )
+ else if( val.f_float <= 0 )
{
i_microsecperframe = 40000; /* default: 25fps */
}
}
/* *** add subtitle ES *** */
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_sub->p_es = input_AddES( p_input, p_input->stream.p_selected_program,
- 0xff - i_track_id, /* FIXME */
- SPU_ES, NULL, 0 );
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- p_sub->p_es->i_stream_id = 0xff - i_track_id; /* FIXME */
-
- if( p_sub->psz_header != NULL )
- {
- p_sub->p_es->p_demux_data = malloc( sizeof( subtitle_data_t ) );
- p_sub->p_es->p_demux_data->psz_header = strdup( p_sub->psz_header );
- free( p_sub->psz_header );
- }
-
if( p_sub->i_sub_type == SUB_TYPE_VOBSUB )
{
- p_sub->p_es->i_fourcc = VLC_FOURCC( 's','p','u',' ' );
- /* open vobsub file */
+ int i_len = strlen( psz_name );
+ char *psz_vobname = strdup(psz_name);
+
+ strcpy( psz_vobname + i_len - 4, ".sub" );
+
+ /* open file */
+ if( !( p_sub->p_vobsub_file = fopen( psz_vobname, "rb" ) ) )
+ {
+ msg_Err( p_sub, "couldn't open .sub Vobsub file: %s", psz_vobname );
+ }
+ free( psz_vobname );
+
+ es_format_Init( &fmt, SPU_ES, VLC_FOURCC( 's','p','u',' ' ) );
}
else if( p_sub->i_sub_type == SUB_TYPE_SSA1 ||
p_sub->i_sub_type == SUB_TYPE_SSA2_4 )
{
- p_sub->p_es->i_fourcc = VLC_FOURCC( 's','s','a',' ' );
+ es_format_Init( &fmt, SPU_ES, VLC_FOURCC( 's','s','a',' ' ) );
}
else
{
- p_sub->p_es->i_fourcc = VLC_FOURCC( 's','u','b','t' );
+ es_format_Init( &fmt, SPU_ES, VLC_FOURCC( 's','u','b','t' ) );
}
-
+ if( p_sub->psz_header != NULL )
+ {
+ fmt.i_extra = strlen( p_sub->psz_header ) + 1;
+ fmt.p_extra = strdup( p_sub->psz_header );
+ }
+ p_sub->p_es = es_out_Add( p_input->p_es_out, &fmt );
p_sub->i_previously_selected = 0;
+
return VLC_SUCCESS;
}
*****************************************************************************/
static int sub_demux( subtitle_demux_t *p_sub, mtime_t i_maxdate )
{
- if( p_sub->p_es->p_decoder_fifo && !p_sub->i_previously_selected )
+ input_thread_t *p_input = p_sub->p_input;
+ vlc_bool_t b;
+
+ es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE, p_sub->p_es, &b );
+ if( b && !p_sub->i_previously_selected )
{
p_sub->i_previously_selected = 1;
p_sub->pf_seek( p_sub, i_maxdate );
return VLC_SUCCESS;
}
- else if( !p_sub->p_es->p_decoder_fifo && p_sub->i_previously_selected )
+ else if( !b && p_sub->i_previously_selected )
{
p_sub->i_previously_selected = 0;
return VLC_SUCCESS;
while( p_sub->i_subtitle < p_sub->i_subtitles &&
p_sub->subtitle[p_sub->i_subtitle].i_start < i_maxdate )
{
- pes_packet_t *p_pes;
- data_packet_t *p_data;
-
+ block_t *p_block;
int i_len;
i_len = strlen( p_sub->subtitle[p_sub->i_subtitle].psz_text ) + 1;
p_sub->i_subtitle++;
continue;
}
- if( !( p_pes = input_NewPES( p_sub->p_input->p_method_data ) ) )
- {
- p_sub->i_subtitle++;
- continue;
- }
- if( !( p_data = input_NewPacket( p_sub->p_input->p_method_data,
- i_len ) ) )
+ if( !( p_block = block_New( p_sub->p_input, i_len ) ) )
{
- input_DeletePES( p_sub->p_input->p_method_data, p_pes );
p_sub->i_subtitle++;
continue;
}
- p_data->p_payload_end = p_data->p_payload_start + i_len;
- p_pes->i_pts =
+ p_block->i_pts =
input_ClockGetTS( p_sub->p_input,
p_sub->p_input->stream.p_selected_program,
p_sub->subtitle[p_sub->i_subtitle].i_start*9/100);
/* FIXME kludge ...
* i_dts means end of display...
*/
- p_pes->i_dts =
+ p_block->i_dts =
input_ClockGetTS( p_sub->p_input,
p_sub->p_input->stream.p_selected_program,
p_sub->subtitle[p_sub->i_subtitle].i_stop *9/100);
}
else
{
- p_pes->i_dts = 0;
+ p_block->i_dts = 0;
}
- p_pes->i_nb_data = 1;
- p_pes->p_first =
- p_pes->p_last = p_data;
- p_pes->i_pes_size = i_len;
+ memcpy( p_block->p_buffer,
+ p_sub->subtitle[p_sub->i_subtitle].psz_text, i_len );
- memcpy( p_data->p_payload_start,
- p_sub->subtitle[p_sub->i_subtitle].psz_text,
- i_len );
- if( p_sub->p_es->p_decoder_fifo && p_pes->i_pts > 0 )
+ if( p_block->i_pts > 0 )
{
-
- input_DecodePES( p_sub->p_es->p_decoder_fifo, p_pes );
+ es_out_Send( p_input->p_es_out, p_sub->p_es, p_block );
}
else
{
- input_DeletePES( p_sub->p_input->p_method_data, p_pes );
+ block_Release( p_block );
}
p_sub->i_subtitle++;
}
- return( 0 );
+ return VLC_SUCCESS;
}
/*****************************************************************************
{
p_sub->i_subtitle++;
}
-
return( 0 );
}
}
free( p_sub->subtitle );
}
+ if( p_sub->p_vobsub_file )
+ {
+ fclose( p_sub->p_vobsub_file );
+ }
}
/*****************************************************************************
char *s;
char buffer_text[MAX_LINE + 1];
- uint32_t i_start;
- uint32_t i_stop;
+ unsigned int i_start;
+ unsigned int i_stop;
unsigned int i;
for( ;; )
char *p;
char buffer_text[MAX_LINE + 1];
- uint32_t i_start, i_location;
+ unsigned int i_start, i_location;
for( ;; )
{
fprintf( stderr, "time: %x, location: %x\n", i_start, i_location );
return( 0 );
}
+/*
+
+#define mpeg_read(buf, num) _mpeg_read(srcbuf, size, srcpos, buf, num)
+static unsigned int _mpeg_read(unsigned char *srcbufunsigned int, unsigned int size,
+ unsigned int &srcpos, unsigned char *dstbuf,
+ unsigned int num) {
+ unsigned int real_num;
+
+ if ((srcpos + num) >= size)
+ real_num = size - srcpos;
+ else
+ real_num = num;
+ memcpy(dstbuf, &srcbuf[srcpos], real_num);
+ srcpos += real_num;
+
+ return real_num;
+}
+
+#define mpeg_getc() _mpeg_getch(srcbuf, size, srcpos)
+static int _mpeg_getch(unsigned char *srcbuf, unsigned int size,
+ unsigned int &srcpos) {
+ unsigned char c;
+
+ if (mpeg_read(&c, 1) != 1)
+ return -1;
+ return (int)c;
+}
+#define mpeg_seek(b, w) _mpeg_seek(size, srcpos, b, w)
+static int _mpeg_seek(unsigned int size, unsigned int &srcpos, unsigned int num,
+ int whence) {
+ unsigned int new_pos;
+
+ if (whence == SEEK_SET)
+ new_pos = num;
+ else if (whence == SEEK_CUR)
+ new_pos = srcpos + num;
+ else
+ abort();
+
+ if (new_pos >= size) {
+ srcpos = size;
+ return 1;
+ }
+
+ srcpos = new_pos;
+ return 0;
+}
+
+#define mpeg_tell() srcpos
+*/
+/*
+static int mpeg_run(demuxer_t *demuxer, unsigned char *srcbuf, unsigned int size) {
+ unsigned int len, idx, version, srcpos, packet_size;
+ int c, aid;
+ float pts;*/
+ /* Goto start of a packet, it starts with 0x000001?? */
+ /*const unsigned char wanted[] = { 0, 0, 1 };
+ unsigned char buf[5];
+ demux_packet_t *dp;
+ demux_stream_t *ds;
+ mkv_demuxer_t *mkv_d;
+
+ mkv_d = (mkv_demuxer_t *)demuxer->priv;
+ ds = demuxer->sub;
+
+ srcpos = 0;
+ packet_size = 0;
+ while (1) {
+ if (mpeg_read(buf, 4) != 4)
+ return -1;
+ while (memcmp(buf, wanted, sizeof(wanted)) != 0) {
+ c = mpeg_getc();
+ if (c < 0)
+ return -1;
+ memmove(buf, buf + 1, 3);
+ buf[3] = c;
+ }
+ switch (buf[3]) {
+ case 0xb9: */ /* System End Code */
+ /* return 0;
+ break;
+
+ case 0xba: */ /* Packet start code */
+ /* c = mpeg_getc();
+ if (c < 0)
+ return -1;
+ if ((c & 0xc0) == 0x40)
+ version = 4;
+ else if ((c & 0xf0) == 0x20)
+ version = 2;
+ else {
+ mp_msg(MSGT_DEMUX, MSGL_ERR, "[mkv] VobSub: Unsupported MPEG "
+ "version: 0x%02x\n", c);
+ return -1;
+ }
+
+ if (version == 4) {
+ if (mpeg_seek(9, SEEK_CUR))
+ return -1;
+ } else if (version == 2) {
+ if (mpeg_seek(7, SEEK_CUR))
+ return -1;
+ } else
+ abort();
+ break;
+
+ case 0xbd: */ /* packet */
+/* if (mpeg_read(buf, 2) != 2)
+ return -1;
+ len = buf[0] << 8 | buf[1];
+ idx = mpeg_tell();
+ c = mpeg_getc();
+ if (c < 0)
+ return -1;
+ if ((c & 0xC0) == 0x40) {*/ /* skip STD scale & size */
+/* if (mpeg_getc() < 0)
+ return -1;
+ c = mpeg_getc();
+ if (c < 0)
+ return -1;
+ }
+ if ((c & 0xf0) == 0x20) { */ /* System-1 stream timestamp */
+ /* Do we need this? */
+/* abort();
+ } else if ((c & 0xf0) == 0x30) {
+ */ /* Do we need this? */
+/* abort();
+ } else if ((c & 0xc0) == 0x80) {*/ /* System-2 (.VOB) stream */
+/* unsigned int pts_flags, hdrlen, dataidx;
+ c = mpeg_getc();
+ if (c < 0)
+ return -1;
+ pts_flags = c;
+ c = mpeg_getc();
+ if (c < 0)
+ return -1;
+ hdrlen = c;
+ dataidx = mpeg_tell() + hdrlen;
+ if (dataidx > idx + len) {
+ mp_msg(MSGT_DEMUX, MSGL_ERR, "[mkv] VobSub: Invalid header "
+ "length: %d (total length: %d, idx: %d, dataidx: %d)\n",
+ hdrlen, len, idx, dataidx);
+ return -1;
+ }
+ if ((pts_flags & 0xc0) == 0x80) {
+ if (mpeg_read(buf, 5) != 5)
+ return -1;
+ if (!(((buf[0] & 0xf0) == 0x20) && (buf[0] & 1) && (buf[2] & 1) &&
+ (buf[4] & 1))) {
+ mp_msg(MSGT_DEMUX, MSGL_ERR, "[mkv] VobSub PTS error: 0x%02x "
+ "%02x%02x %02x%02x \n",
+ buf[0], buf[1], buf[2], buf[3], buf[4]);
+ pts = 0;
+ } else
+ pts = ((buf[0] & 0x0e) << 29 | buf[1] << 22 |
+ (buf[2] & 0xfe) << 14 | buf[3] << 7 | (buf[4] >> 1));
+ } else*/ /* if ((pts_flags & 0xc0) == 0xc0) */// {
+ /* what's this? */
+ /* abort(); */
+ /* }
+ mpeg_seek(dataidx, SEEK_SET);
+ aid = mpeg_getc();
+ if (aid < 0) {
+ mp_msg(MSGT_DEMUX, MSGL_ERR, "[mkv] VobSub: Bogus aid %d\n", aid);
+ return -1;
+ }
+ packet_size = len - ((unsigned int)mpeg_tell() - idx);
+
+ dp = new_demux_packet(packet_size);
+ dp->flags = 1;
+ dp->pts = mkv_d->last_pts;
+ if (mpeg_read(dp->buffer, packet_size) != packet_size) {
+ mp_msg(MSGT_DEMUX, MSGL_ERR, "[mkv] VobSub: mpeg_read failure");
+ packet_size = 0;
+ return -1;
+ }
+ ds_add_packet(ds, dp);
+ idx = len;
+ }
+ break;
+
+ case 0xbe: */ /* Padding */
+ /* if (mpeg_read(buf, 2) != 2)
+ return -1;
+ len = buf[0] << 8 | buf[1];
+ if ((len > 0) && mpeg_seek(len, SEEK_CUR))
+ return -1;
+ break;
+
+ default:
+ if ((0xc0 <= buf[3]) && (buf[3] < 0xf0)) {
+ */ /* MPEG audio or video */
+ /* if (mpeg_read(buf, 2) != 2)
+ return -1;
+ len = (buf[0] << 8) | buf[1];
+ if ((len > 0) && mpeg_seek(len, SEEK_CUR))
+ return -1;
+
+ }
+ else {
+ mp_msg(MSGT_DEMUX, MSGL_ERR, "[mkv] VobSub: unknown header "
+ "0x%02X%02X%02X%02X\n", buf[0], buf[1], buf[2], buf[3]);
+ return -1;
+ }
+ }
+ }
+ return 0;
+}
+*/