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demux_mkv: output correctly formated ASS packets

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27529 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
aurel 2008-09-05 14:18:05 +00:00
parent 244d3d1622
commit 79874cb4ea
1 changed files with 38 additions and 1 deletions
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39
libmpdemux/demux_mkv.c
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@ -2566,10 +2566,42 @@ demux_mkv_read_block_lacing (uint8_t *buffer, uint64_t *size,
return 0;
}
static void fix_ass_packet(char **block, int64_t *size,
uint64_t block_duration, uint64_t timecode)
{
char *line, *layer, *ptr = *block, *end = ptr+*size;
*end = 0;
for (; *ptr!=',' && ptr<end-1; ptr++);
if (*ptr == ',')
layer = ++ptr;
for (; *ptr!=',' && ptr<end-1; ptr++);
if (*ptr == ',') {
int64_t end_pts = timecode + block_duration;
int sc = timecode / 10;
int ec = end_pts / 10;
int sh, sm, ss, eh, em, es, len;
sh = sc/360000; sc -= 360000*sh;
sm = sc/ 6000; sc -= 6000*sm;
ss = sc/ 100; sc -= 100*ss;
eh = ec/360000; ec -= 360000*eh;
em = ec/ 6000; ec -= 6000*em;
es = ec/ 100; ec -= 100*es;
*ptr++ = '\0';
len = 50 + end-ptr;
if (!(line = malloc(len)))
return;
snprintf(line,len,"Dialogue: %s,%d:%02d:%02d.%02d,%d:%02d:%02d.%02d,%s",
layer, sh, sm, ss, sc, eh, em, es, ec, ptr);
*block = line;
*size = strlen(line);
}
}
static void
handle_subtitles(demuxer_t *demuxer, mkv_track_t *track, char *block,
int64_t size, uint64_t block_duration, uint64_t timecode)
{
char *data = block;
demux_packet_t *dp;
if (block_duration == 0)
@ -2579,12 +2611,17 @@ handle_subtitles(demuxer_t *demuxer, mkv_track_t *track, char *block,
return;
}
if (track->subtitle_type == MATROSKA_SUBTYPE_SSA)
fix_ass_packet(&data, &size, block_duration, timecode);
sub_utf8 = 1;
dp = new_demux_packet(size);
memcpy(dp->buffer, block, size);
memcpy(dp->buffer, data, size);
dp->pts = timecode / 1000.0f;
dp->endpts = (timecode + block_duration) / 1000.0f;
ds_add_packet(demuxer->sub, dp);
if (data != block)
free(data);
}
// Taken from demux_real.c. Thanks to the original developpers :)