[vlc-devel] commit: Handle libass seeking by recreating the track. (Laurent Aimar )
git version control
git at videolan.org
Tue Aug 5 00:51:05 CEST 2008
vlc | branch: 0.9.0-libass | Laurent Aimar <fenrir at videolan.org> | Tue Aug 5 00:53:24 2008 +0200| [6f29ed2170a2e11c15dbd710a942304296b8d222] | committer: Laurent Aimar
Handle libass seeking by recreating the track.
> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=6f29ed2170a2e11c15dbd710a942304296b8d222
---
modules/codec/libass.c | 26 +++++++++++++++++++++++---
1 files changed, 23 insertions(+), 3 deletions(-)
diff --git a/modules/codec/libass.c b/modules/codec/libass.c
index 1771ad4..ddd871e 100644
--- a/modules/codec/libass.c
+++ b/modules/codec/libass.c
@@ -237,11 +237,28 @@ static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
subpicture_t *p_spu = NULL;
block_t *p_block;
- //msg_Dbg( p_dec, "DecodeBlock %p", (void *)pp_block);
if( !pp_block || *pp_block == NULL )
return NULL;
p_block = *pp_block;
+ if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
+ {
+ msg_Dbg( p_dec, "Resetting libass track after time discontinuity" );
+ /* We need to reset our tracks for the time discontinuity to be
+ * handled */
+ vlc_mutex_lock( p_sys->p_ass->p_lock );
+ if( p_sys->p_track )
+ ass_free_track( p_sys->p_track );
+
+ p_sys->p_track = ass_new_track( p_sys->p_ass->p_library );
+ if( p_sys->p_track )
+ ass_process_codec_private( p_sys->p_track,
+ p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
+ vlc_mutex_unlock( p_sys->p_ass->p_lock );
+
+ block_Release( p_block );
+ return NULL;
+ }
if( p_block->i_rate != 0 )
p_block->i_length = p_block->i_length * p_block->i_rate / INPUT_RATE_DEFAULT;
*pp_block = NULL;
@@ -289,8 +306,11 @@ static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
p_spu->b_pausable = true; /* ? */
vlc_mutex_lock( p_sys->p_ass->p_lock );
- ass_process_chunk( p_sys->p_track, p_spu->p_sys->p_subs_data, p_spu->p_sys->i_subs_len,
- p_spu->i_start / 1000, (p_spu->i_stop-p_spu->i_start) / 1000 );
+ if( p_sys->p_track )
+ {
+ ass_process_chunk( p_sys->p_track, p_spu->p_sys->p_subs_data, p_spu->p_sys->i_subs_len,
+ p_spu->i_start / 1000, (p_spu->i_stop-p_spu->i_start) / 1000 );
+ }
vlc_mutex_unlock( p_sys->p_ass->p_lock );
p_spu->pf_pre_render = PreRender;
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