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Code Issues Releases Wiki Activity

demux_mkv: use generic packet handling code for subtitles

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Duration may now be set for packet types other than subtitles; as far
as I can tell nothing should care. A check requiring valid duration
values for subtitles is removed, because duration may not be properly
set for all bitmap subtitle types; hopefully this doesn't make the
behavior with (already broken) subtitles without duration worse.
This commit is contained in:
Uoti Urpala 2011-03-31 03:06:21 +03:00
parent 993bc6a83f
commit 56504de6ff
1 changed files with 5 additions and 27 deletions
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32
libmpdemux/demux_mkv.c
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@ -1867,26 +1867,6 @@ static int demux_mkv_read_block_lacing(uint8_t *buffer, uint64_t *size,
return 1;
}
static void handle_subtitles(demuxer_t *demuxer, mkv_track_t *track,
char *block, int64_t size,
uint64_t block_duration, uint64_t timecode)
{
demux_packet_t *dp;
if (block_duration == 0) {
mp_msg(MSGT_DEMUX, MSGL_WARN,
"[mkv] Warning: No BlockDuration for subtitle track found.\n");
return;
}
sub_utf8 = 1;
dp = new_demux_packet(size);
memcpy(dp->buffer, block, size);
dp->pts = timecode / 1e9;
dp->duration = block_duration / 1e9;
ds_add_packet(demuxer->sub, dp);
}
static void handle_realvideo(demuxer_t *demuxer, mkv_track_t *track,
uint8_t *buffer, uint32_t size, int64_t block_bref)
{
@ -2101,15 +2081,12 @@ static int handle_block(demuxer_t *demuxer, uint8_t *block, uint64_t length,
} else if (track->type == MATROSKA_TRACK_SUBTITLE
&& track->id == demuxer->sub->id) {
ds = demuxer->sub;
if (track->subtitle_type != MATROSKA_SUBTYPE_VOBSUB) {
uint8_t *buffer;
int size = length;
demux_mkv_decode(track, block, &buffer, &size, 1);
handle_subtitles(demuxer, track, buffer, size, block_duration, tc);
if (buffer != block)
talloc_free(buffer);
if (laces > 1) {
mp_msg(MSGT_DEMUX, MSGL_WARN, "[mkv] Subtitles use Matroska "
"lacing. This is abnormal and not supported.\n");
use_this_block = 0;
}
sub_utf8 = 1; // XXX this variable should be eventually removed
} else
use_this_block = 0;
@ -2142,6 +2119,7 @@ static int handle_block(demuxer_t *demuxer, uint8_t *block, uint64_t length,
if (i == 0 || track->default_duration)
dp->pts =
mkv_d->last_pts + i * track->default_duration;
dp->duration = block_duration / 1e9;
ds_add_packet(ds, dp);
}
}