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Commit 8b145a7b authored by Maxim Bublis's avatar Maxim Bublis Committed by Jean-Baptiste Kempf
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Fixed parsing SubRip subtitles with missing msecs. 

This patch fixes SubRip subtitles parsing with missing microseconds.
This patch also makes redundant SUB_TYPE_SUBRIP_DOT format as both
delimiters (dot and comma) are now supported equally.
Signed-off-by: default avatarJean-Baptiste Kempf <jb@videolan.org>
parent 75d5a967
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Inline Side-by-side
Showing with 99 additions and 41 deletions
modules/demux/subtitle.c
View file @ 8b145a7b
......@@ -95,7 +95,6 @@ enum
SUB_TYPE_UNKNOWN = -1,
SUB_TYPE_MICRODVD,
SUB_TYPE_SUBRIP,
SUB_TYPE_SUBRIP_DOT, /* Invalid SubRip file (dot instead of comma) */
SUB_TYPE_SSA1,
SUB_TYPE_SSA2_4,
SUB_TYPE_ASS,
......@@ -171,7 +170,6 @@ struct demux_sys_t
static int ParseMicroDvd ( demux_t *, subtitle_t *, int );
static int ParseSubRip ( demux_t *, subtitle_t *, int );
static int ParseSubRipDot ( demux_t *, subtitle_t *, int );
static int ParseSubViewer ( demux_t *, subtitle_t *, int );
static int ParseSSA ( demux_t *, subtitle_t *, int );
static int ParseVplayer ( demux_t *, subtitle_t *, int );
......@@ -198,7 +196,6 @@ static const struct
{
{ "microdvd", SUB_TYPE_MICRODVD, "MicroDVD", ParseMicroDvd },
{ "subrip", SUB_TYPE_SUBRIP, "SubRIP", ParseSubRip },
{ "subrip-dot", SUB_TYPE_SUBRIP_DOT, "SubRIP(Dot)", ParseSubRipDot },
{ "subviewer", SUB_TYPE_SUBVIEWER, "SubViewer", ParseSubViewer },
{ "ssa1", SUB_TYPE_SSA1, "SSA-1", ParseSSA },
{ "ssa2-4", SUB_TYPE_SSA2_4, "SSA-2/3/4", ParseSSA },
......@@ -335,21 +332,29 @@ static int Open ( vlc_object_t *p_this )
p_sys->i_type = SUB_TYPE_MICRODVD;
break;
}
else if( sscanf( s,
"%d:%d:%d,%d --> %d:%d:%d,%d",
else if( sscanf( s, "%d:%d:%d,%d --> %d:%d:%d,%d",
&i_dummy,&i_dummy,&i_dummy,&i_dummy,
&i_dummy,&i_dummy,&i_dummy,&i_dummy ) == 8 )
{
p_sys->i_type = SUB_TYPE_SUBRIP;
break;
}
else if( sscanf( s,
"%d:%d:%d.%d --> %d:%d:%d.%d",
&i_dummy,&i_dummy,&i_dummy,&i_dummy ) == 8 ||
sscanf( s, "%d:%d:%d --> %d:%d:%d,%d",
&i_dummy,&i_dummy,&i_dummy,&i_dummy,
&i_dummy,&i_dummy,&i_dummy ) == 7 ||
sscanf( s, "%d:%d:%d,%d --> %d:%d:%d",
&i_dummy,&i_dummy,&i_dummy,&i_dummy,
&i_dummy,&i_dummy,&i_dummy ) == 7 ||
sscanf( s, "%d:%d:%d.%d --> %d:%d:%d.%d",
&i_dummy,&i_dummy,&i_dummy,&i_dummy,
&i_dummy,&i_dummy,&i_dummy,&i_dummy ) == 8 )
&i_dummy,&i_dummy,&i_dummy,&i_dummy ) == 8 ||
sscanf( s, "%d:%d:%d --> %d:%d:%d.%d",
&i_dummy,&i_dummy,&i_dummy,&i_dummy,
&i_dummy,&i_dummy,&i_dummy ) == 7 ||
sscanf( s, "%d:%d:%d.%d --> %d:%d:%d",
&i_dummy,&i_dummy,&i_dummy,&i_dummy,
&i_dummy,&i_dummy,&i_dummy ) == 7 ||
sscanf( s, "%d:%d:%d --> %d:%d:%d",
&i_dummy,&i_dummy,&i_dummy,
&i_dummy,&i_dummy,&i_dummy ) == 6 )
{
msg_Err( p_demux, "Detected invalid SubRip file, playing anyway" );
p_sys->i_type = SUB_TYPE_SUBRIP_DOT;
p_sys->i_type = SUB_TYPE_SUBRIP;
break;
}
else if( !strncasecmp( s, "!: This is a Sub Station Alpha v1", 33 ) )
......@@ -899,7 +904,7 @@ static int ParseMicroDvd( demux_t *p_demux, subtitle_t *p_subtitle,
* We ignore line number for SubRip
*/
static int ParseSubRipSubViewer( demux_t *p_demux, subtitle_t *p_subtitle,
const char *psz_fmt,
int (* pf_parse_timing)(subtitle_t *, const char *),
bool b_replace_br )
{
demux_sys_t *p_sys = p_demux->p_sys;
......@@ -909,26 +914,14 @@ static int ParseSubRipSubViewer( demux_t *p_demux, subtitle_t *p_subtitle,
for( ;; )
{
const char *s = TextGetLine( txt );
int h1, m1, s1, d1, h2, m2, s2, d2;
if( !s )
return VLC_EGENERIC;
if( sscanf( s, psz_fmt,
&h1, &m1, &s1, &d1,
&h2, &m2, &s2, &d2 ) == 8 )
if( pf_parse_timing( p_subtitle, s) == VLC_SUCCESS &&
p_subtitle->i_start < p_subtitle->i_stop )
{
p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
(int64_t)m1 * 60*1000 +
(int64_t)s1 * 1000 +
(int64_t)d1 ) * 1000;
p_subtitle->i_stop = ( (int64_t)h2 * 3600*1000 +
(int64_t)m2 * 60*1000 +
(int64_t)s2 * 1000 +
(int64_t)d2 ) * 1000;
if( p_subtitle->i_start < p_subtitle->i_stop )
break;
break;
}
}
......@@ -972,6 +965,56 @@ static int ParseSubRipSubViewer( demux_t *p_demux, subtitle_t *p_subtitle,
}
}
}
/* subtitle_ParseSubRipTimingValue
* Parses SubRip timing value.
*/
static int subtitle_ParseSubRipTimingValue(int64_t *timing_value,
const char *s)
{
int h1, m1, s1, d1 = 0;
if ( sscanf( s, "%d:%d:%d,%d",
&h1, &m1, &s1, &d1 ) == 4 ||
sscanf( s, "%d:%d:%d.%d",
&h1, &m1, &s1, &d1 ) == 4 ||
sscanf( s, "%d:%d:%d",
&h1, &m1, &s1) == 3 )
{
(*timing_value) = ( (int64_t)h1 * 3600 * 1000 +
(int64_t)m1 * 60 * 1000 +
(int64_t)s1 * 1000 +
(int64_t)d1 ) * 1000;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
/* subtitle_ParseSubRipTiming
* Parses SubRip timing.
*/
static int subtitle_ParseSubRipTiming( subtitle_t *p_subtitle,
const char *s )
{
int i_result = VLC_EGENERIC;
char *psz_start, *psz_stop;
psz_start = malloc( strlen(s) );
psz_stop = malloc( strlen(s) );
if( sscanf( s, "%s --> %s", psz_start, psz_stop) == 2 &&
subtitle_ParseSubRipTimingValue( &p_subtitle->i_start, psz_start ) == VLC_SUCCESS &&
subtitle_ParseSubRipTimingValue( &p_subtitle->i_stop, psz_stop ) == VLC_SUCCESS )
{
i_result = VLC_SUCCESS;
}
free(psz_start);
free(psz_stop);
return i_result;
}
/* ParseSubRip
*/
static int ParseSubRip( demux_t *p_demux, subtitle_t *p_subtitle,
......@@ -979,20 +1022,35 @@ static int ParseSubRip( demux_t *p_demux, subtitle_t *p_subtitle,
{
VLC_UNUSED( i_idx );
return ParseSubRipSubViewer( p_demux, p_subtitle,
"%d:%d:%d,%d --> %d:%d:%d,%d",
&subtitle_ParseSubRipTiming,
false );
}
/* ParseSubRipDot
* Special version for buggy file using '.' instead of ','
/* subtitle_ParseSubViewerTiming
* Parses SubViewer timing.
*/
static int ParseSubRipDot( demux_t *p_demux, subtitle_t *p_subtitle,
int i_idx )
static int subtitle_ParseSubViewerTiming( subtitle_t *p_subtitle,
const char *s )
{
VLC_UNUSED( i_idx );
return ParseSubRipSubViewer( p_demux, p_subtitle,
"%d:%d:%d.%d --> %d:%d:%d.%d",
false );
int h1, m1, s1, d1, h2, m2, s2, d2;
if( sscanf( s, "%d:%d:%d.%d,%d:%d:%d.%d",
&h1, &m1, &s1, &d1, &h2, &m2, &s2, &d2) == 8 )
{
p_subtitle->i_start = ( (int64_t)h1 * 3600*1000 +
(int64_t)m1 * 60*1000 +
(int64_t)s1 * 1000 +
(int64_t)d1 ) * 1000;
p_subtitle->i_stop = ( (int64_t)h2 * 3600*1000 +
(int64_t)m2 * 60*1000 +
(int64_t)s2 * 1000 +
(int64_t)d2 ) * 1000;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
/* ParseSubViewer
*/
static int ParseSubViewer( demux_t *p_demux, subtitle_t *p_subtitle,
......@@ -1001,7 +1059,7 @@ static int ParseSubViewer( demux_t *p_demux, subtitle_t *p_subtitle,
VLC_UNUSED( i_idx );
return ParseSubRipSubViewer( p_demux, p_subtitle,
"%d:%d:%d.%d,%d:%d:%d.%d",
&subtitle_ParseSubViewerTiming,
true );
}
......
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