118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
/*****************************************************************************
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* asa: portable digital subtitle renderer
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*****************************************************************************
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* Copyright (C) 2007 David Lamparter
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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****************************************************************************/
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#include "csrilib.h"
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#include "subhelp.h"
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#include <string.h>
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csri_inst *csri_open_file(csri_rend *rend,
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const char *filename, struct csri_openflag *flags)
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{
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struct csri_wrap_rend *wrend = csrilib_rend_lookup(rend);
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if (!wrend)
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return NULL;
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return csrilib_inst_initadd(wrend,
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wrend->open_file(rend, filename, flags));
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}
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#define instance_wrapper(wrapname, funcname) \
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csri_inst *wrapname(csri_rend *rend, \
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const void *data, size_t length, struct csri_openflag *flags) \
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{ \
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struct csri_wrap_rend *wrend = csrilib_rend_lookup(rend); \
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if (!wrend) \
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return NULL; \
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return csrilib_inst_initadd(wrend, \
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wrend->funcname(rend, data, length, flags)); \
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}
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instance_wrapper(csri_open_mem, open_mem)
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static instance_wrapper(wrap_init_stream_ass, init_stream_ass)
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static instance_wrapper(wrap_init_stream_text, init_stream_text)
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void *csri_query_ext(csri_rend *rend, csri_ext_id extname)
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{
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struct csri_wrap_rend *wrend;
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void *rv;
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if (!rend && (rv = subhelp_query_ext_logging(extname)))
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return rv;
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wrend = csrilib_rend_lookup(rend);
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if (!wrend)
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return NULL;
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rv = wrend->query_ext(rend, extname);
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if (rv && !strcmp(extname, CSRI_EXT_STREAM_ASS)) {
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struct csri_stream_ext *e = (struct csri_stream_ext *)rv;
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memcpy(&wrend->stream_ass, e, sizeof(*e));
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wrend->init_stream_ass = e->init_stream;
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wrend->stream_ass.init_stream = wrap_init_stream_ass;
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return &wrend->stream_ass;
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}
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if (rv && !strcmp(extname, CSRI_EXT_STREAM_TEXT)) {
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struct csri_stream_ext *e = (struct csri_stream_ext *)rv;
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memcpy(&wrend->stream_text, e, sizeof(*e));
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wrend->init_stream_text = e->init_stream;
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wrend->stream_text.init_stream = wrap_init_stream_text;
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return &wrend->stream_text;
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}
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return rv;
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}
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struct csri_info *csri_renderer_info(csri_rend *rend)
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{
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struct csri_wrap_rend *wrend = csrilib_rend_lookup(rend);
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if (!wrend)
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return NULL;
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return wrend->info;
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}
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void csri_close(csri_inst *inst)
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{
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struct csri_wrap_inst *winst = csrilib_inst_lookup(inst);
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if (!winst)
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return;
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winst->close(inst);
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csrilib_inst_remove(winst);
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}
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int csri_request_fmt(csri_inst *inst, const struct csri_fmt *fmt)
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{
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struct csri_wrap_inst *winst = csrilib_inst_lookup(inst);
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if (!winst)
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return 0;
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return winst->request_fmt(inst, fmt);
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}
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void csri_render(csri_inst *inst, struct csri_frame *frame,
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double time)
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{
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struct csri_wrap_inst *winst = csrilib_inst_lookup(inst);
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if (!winst)
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return;
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winst->render(inst, frame, time);
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}
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const char *csri_library()
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{
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return "DEV";
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}
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