/****************************************************************************
* DecodeBlock:
****************************************************************************/
static subpicture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
subpicture_t *p_spu = NULL;
block_t *p_block;
if( !pp_block || *pp_block == NULL )
return NULL;
p_block = *pp_block;
*pp_block = NULL;
if( p_block->i_flags & BLOCK_FLAG_CORRUPTED )
{
Flush( p_dec );
block_Release( p_block );
return NULL;
}
if( p_block->i_buffer == 0 || p_block->p_buffer[0] == '\0' )
{
block_Release( p_block );
return NULL;
}
subpicture_updater_sys_t *p_spu_sys = malloc( sizeof(*p_spu_sys) );
if( !p_spu_sys )
{
block_Release( p_block );
return NULL;
}
subpicture_updater_t updater = {
.pf_validate = SubpictureValidate,
.pf_update = SubpictureUpdate,
.pf_destroy = SubpictureDestroy,
.p_sys = p_spu_sys,
};
p_spu = decoder_NewSubpicture( p_dec, &updater );
if( !p_spu )
{
msg_Warn( p_dec, "can't get spu buffer" );
free( p_spu_sys );
block_Release( p_block );
return NULL;
}
p_spu_sys->p_img = NULL;
p_spu_sys->p_dec_sys = p_sys;
p_spu_sys->i_subs_len = p_block->i_buffer;
p_spu_sys->p_subs_data = malloc( p_block->i_buffer );
p_spu_sys->i_pts = p_block->i_pts;
if( !p_spu_sys->p_subs_data )
{
subpicture_Delete( p_spu );
block_Release( p_block );
return NULL;
}
memcpy( p_spu_sys->p_subs_data, p_block->p_buffer,
p_block->i_buffer );
p_spu->i_start = p_block->i_pts;
p_spu->i_stop = __MAX( p_sys->i_max_stop, p_block->i_pts + p_block->i_length );
p_spu->b_ephemer = true;
p_spu->b_absolute = true;
p_sys->i_max_stop = p_spu->i_stop;
vlc_mutex_lock( &p_sys->lock );
if( p_sys->p_track )
{
ass_process_chunk( p_sys->p_track, p_spu_sys->p_subs_data, p_spu_sys->i_subs_len,
p_block->i_pts / 1000, p_block->i_length / 1000 );
}
vlc_mutex_unlock( &p_sys->lock );
DecSysHold( p_sys ); /* Keep a reference for the returned subpicture */
block_Release( p_block );
return p_spu;
}
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************
* Tries to launch a decoder and return score so that the interface is able
* to chose.
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys;
if( p_dec->fmt_in.i_codec != VLC_CODEC_KATE )
{
return VLC_EGENERIC;
}
msg_Dbg( p_dec, "kate: OpenDecoder");
/* Set callbacks */
p_dec->pf_decode_sub = (subpicture_t *(*)(decoder_t *, block_t **))
DecodeBlock;
p_dec->pf_packetize = (block_t *(*)(decoder_t *, block_t **))
DecodeBlock;
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys = (decoder_sys_t *)malloc(sizeof(*p_sys)) ) == NULL ) // sunqueen modify
return VLC_ENOMEM;
vlc_mutex_init( &p_sys->lock );
p_sys->i_refcount = 0;
DecSysHold( p_sys );
/* init of p_sys */
#ifdef ENABLE_PACKETIZER
p_sys->b_packetizer = false;
#endif
p_sys->b_ready = false;
p_sys->i_pts =
p_sys->i_max_stop = VLC_TS_INVALID;
kate_comment_init( &p_sys->kc );
kate_info_init( &p_sys->ki );
p_sys->b_has_headers = false;
/* retrieve options */
p_sys->b_formatted = var_CreateGetBool( p_dec, "kate-formatted" );
vlc_mutex_lock( &kate_decoder_list_mutex );
#ifdef HAVE_TIGER
p_sys->b_use_tiger = var_CreateGetBool( p_dec, "kate-use-tiger" );
p_sys->p_tr = NULL;
/* get initial value of configuration */
p_sys->i_tiger_default_font_color = GetTigerColor( p_dec, "kate-tiger-default-font" );
p_sys->i_tiger_default_background_color = GetTigerColor( p_dec, "kate-tiger-default-background" );
p_sys->e_tiger_default_font_effect = GetTigerInteger( p_dec, "kate-tiger-default-font-effect" );
p_sys->f_tiger_default_font_effect_strength = GetTigerFloat( p_dec, "kate-tiger-default-font-effect-strength" );
p_sys->psz_tiger_default_font_desc = GetTigerString( p_dec, "kate-tiger-default-font-desc" );
p_sys->f_tiger_quality = GetTigerFloat( p_dec, "kate-tiger-quality" );
if( p_sys->b_use_tiger )
{
int i_ret = tiger_renderer_create( &p_sys->p_tr );
if( i_ret < 0 )
{
msg_Warn ( p_dec, "Failed to create Tiger renderer, falling back to basic rendering" );
p_sys->p_tr = NULL;
p_sys->b_use_tiger = false;
}
else {
CHECK_TIGER_RET( tiger_renderer_set_surface_clear_color( p_sys->p_tr, 1, 0, 0, 0, 0 ) );
UpdateTigerFontEffect( p_dec );
UpdateTigerFontColor( p_dec );
UpdateTigerBackgroundColor( p_dec );
UpdateTigerQuality( p_dec );
UpdateTigerFontDesc( p_dec );
}
}
#else
p_sys->b_use_tiger = false;
#endif
es_format_Init( &p_dec->fmt_out, SPU_ES, 0 );
/* add the decoder to the global list */
decoder_t **list = (decoder_t **)realloc( kate_decoder_list, (kate_decoder_list_size+1) * sizeof( *list )); // sunqueen modify
if( list )
{
list[ kate_decoder_list_size++ ] = p_dec;
kate_decoder_list = list;
}
vlc_mutex_unlock( &kate_decoder_list_mutex );
return VLC_SUCCESS;
}
