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/*
* Copyright (C) 2000-2002 the xine project
*
* This file is part of xine, a free video player.
*
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* xine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* $Id: post.c,v 1.12 2003/05/31 18:33:31 miguelfreitas Exp $
*/
/*
* some helper functions for post plugins
*/
#include "post.h"
#include <stdarg.h>
/* dummy intercept functions that just pass the call on to the original port */
static uint32_t post_video_get_capabilities(xine_video_port_t *port_gen) {
post_video_port_t *port = (post_video_port_t *)port_gen;
return port->original_port->get_capabilities(port->original_port);
}
static void post_video_open(xine_video_port_t *port_gen, xine_stream_t *stream) {
post_video_port_t *port = (post_video_port_t *)port_gen;
port->original_port->open(port->original_port, stream);
}
static vo_frame_t *post_video_get_frame(xine_video_port_t *port_gen, uint32_t width,
uint32_t height, int ratio_code, int format, int flags) {
post_video_port_t *port = (post_video_port_t *)port_gen;
return port->original_port->get_frame(port->original_port,
width, height, ratio_code, format, flags);
}
static vo_frame_t *post_video_get_last_frame(xine_video_port_t *port_gen) {
post_video_port_t *port = (post_video_port_t *)port_gen;
return port->original_port->get_last_frame(port->original_port);
}
static void post_video_enable_ovl(xine_video_port_t *port_gen, int ovl_enable) {
post_video_port_t *port = (post_video_port_t *)port_gen;
port->original_port->enable_ovl(port->original_port, ovl_enable);
}
static void post_video_close(xine_video_port_t *port_gen, xine_stream_t *stream) {
post_video_port_t *port = (post_video_port_t *)port_gen;
port->original_port->close(port->original_port, stream);
}
static void post_video_exit(xine_video_port_t *port_gen) {
post_video_port_t *port = (post_video_port_t *)port_gen;
port->original_port->exit(port->original_port);
}
static video_overlay_instance_t *post_video_get_overlay_instance(xine_video_port_t *port_gen) {
post_video_port_t *port = (post_video_port_t *)port_gen;
return port->original_port->get_overlay_instance(port->original_port);
}
static void post_video_flush(xine_video_port_t *port_gen) {
post_video_port_t *port = (post_video_port_t *)port_gen;
port->original_port->flush(port->original_port);
}
static int post_video_status(xine_video_port_t *port_gen, xine_stream_t *stream,
int *width, int *height, int64_t *img_duration) {
post_video_port_t *port = (post_video_port_t *)port_gen;
return port->original_port->status(port->original_port, stream, width, height, img_duration);
}
static int post_video_get_property(xine_video_port_t *port_gen, int property) {
post_video_port_t *port = (post_video_port_t *)port_gen;
return port->original_port->get_property(port->original_port, property);
}
static int post_video_set_property(xine_video_port_t *port_gen, int property, int value) {
post_video_port_t *port = (post_video_port_t *)port_gen;
return port->original_port->set_property(port->original_port, property, value);
}
post_video_port_t *post_intercept_video_port(post_plugin_t *post, xine_video_port_t *original) {
post_video_port_t *post_port = (post_video_port_t *)malloc(sizeof(post_video_port_t));
if (!post_port)
return NULL;
post_port->port.get_capabilities = post_video_get_capabilities;
post_port->port.open = post_video_open;
post_port->port.get_frame = post_video_get_frame;
post_port->port.get_last_frame = post_video_get_last_frame;
post_port->port.enable_ovl = post_video_enable_ovl;
post_port->port.close = post_video_close;
post_port->port.exit = post_video_exit;
post_port->port.get_overlay_instance = post_video_get_overlay_instance;
post_port->port.flush = post_video_flush;
post_port->port.status = post_video_status;
post_port->port.get_property = post_video_get_property;
post_port->port.set_property = post_video_set_property;
post_port->port.driver = original->driver;
post_port->original_port = original;
post_port->post = post;
return post_port;
}
/* dummy intercept functions for frames */
static void post_frame_free(vo_frame_t *vo_img) {
post_video_port_t *port = (post_video_port_t *)vo_img->port;
post_restore_video_frame(vo_img, port);
vo_img->free(vo_img);
}
static void post_frame_copy(vo_frame_t *vo_img, uint8_t **src) {
post_video_port_t *port = (post_video_port_t *)vo_img->port;
vo_img->port = port->original_port;
port->original_frame.copy(vo_img, src);
vo_img->port = &port->port;
}
static void post_frame_field(vo_frame_t *vo_img, int which_field) {
post_video_port_t *port = (post_video_port_t *)vo_img->port;
vo_img->port = port->original_port;
port->original_frame.field(vo_img, which_field);
vo_img->port = &port->port;
}
static int post_frame_draw(vo_frame_t *vo_img, xine_stream_t *stream) {
post_video_port_t *port = (post_video_port_t *)vo_img->port;
post_restore_video_frame(vo_img, port);
return vo_img->draw(vo_img, stream);
}
static void post_frame_lock(vo_frame_t *vo_img) {
post_video_port_t *port = (post_video_port_t *)vo_img->port;
post_restore_video_frame(vo_img, port);
vo_img->lock(vo_img);
}
static void post_frame_dispose(vo_frame_t *vo_img) {
post_video_port_t *port = (post_video_port_t *)vo_img->port;
post_restore_video_frame(vo_img, port);
vo_img->dispose(vo_img);
}
void post_intercept_video_frame(vo_frame_t *frame, post_video_port_t *port) {
port->original_frame.port = frame->port;
port->original_frame.free = frame->free;
port->original_frame.copy = frame->copy;
port->original_frame.field = frame->field;
port->original_frame.draw = frame->draw;
port->original_frame.lock = frame->lock;
port->original_frame.dispose = frame->dispose;
frame->port = &port->port;
frame->free = post_frame_free;
frame->copy = frame->copy ? post_frame_copy : NULL; /* this one can be NULL */
frame->field = post_frame_field;
frame->draw = post_frame_draw;
frame->lock = post_frame_lock;
frame->dispose = post_frame_dispose;
}
void post_restore_video_frame(vo_frame_t *frame, post_video_port_t *port) {
frame->port = port->original_port;
frame->free = port->original_frame.free;
frame->copy = port->original_frame.copy;
frame->field = port->original_frame.field;
frame->draw = port->original_frame.draw;
frame->lock = port->original_frame.lock;
frame->dispose = port->original_frame.dispose;
}
/* dummy intercept functions that just pass the call on to the original port */
static uint32_t post_audio_get_capabilities(xine_audio_port_t *port_gen) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
return port->original_port->get_capabilities(port->original_port);
}
static int post_audio_get_property(xine_audio_port_t *port_gen, int property) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
return port->original_port->get_property(port->original_port, property);
}
static int post_audio_set_property(xine_audio_port_t *port_gen, int property, int value) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
return port->original_port->set_property(port->original_port, property, value);
}
static int post_audio_open(xine_audio_port_t *port_gen, xine_stream_t *stream,
uint32_t bits, uint32_t rate, int mode) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
return port->original_port->open(port->original_port, stream, bits, rate, mode);
}
static audio_buffer_t * post_audio_get_buffer(xine_audio_port_t *port_gen) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
return port->original_port->get_buffer(port->original_port);
}
static void post_audio_put_buffer(xine_audio_port_t *port_gen, audio_buffer_t *buf,
xine_stream_t *stream) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
port->original_port->put_buffer(port->original_port, buf, stream);
}
static void post_audio_close(xine_audio_port_t *port_gen, xine_stream_t *stream) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
port->original_port->close(port->original_port, stream);
}
static void post_audio_exit(xine_audio_port_t *port_gen) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
port->original_port->exit(port->original_port);
}
static int post_audio_control (xine_audio_port_t *port_gen, int cmd, ...) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
va_list args;
void *arg;
int rval;
va_start(args, cmd);
arg = va_arg(args, void*);
rval = port->original_port->control(port->original_port, cmd, arg);
va_end(args);
return rval;
}
static void post_audio_flush(xine_audio_port_t *port_gen) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
port->original_port->flush(port->original_port);
}
static int post_audio_status(xine_audio_port_t *port_gen, xine_stream_t *stream,
uint32_t *bits, uint32_t *rate, int *mode) {
post_audio_port_t *port = (post_audio_port_t *)port_gen;
return port->original_port->status(port->original_port, stream, bits, rate, mode);
}
post_audio_port_t *post_intercept_audio_port(post_plugin_t *post, xine_audio_port_t *original) {
post_audio_port_t *post_port = (post_audio_port_t *)malloc(sizeof(post_audio_port_t));
if (!post_port)
return NULL;
post_port->port.open = post_audio_open;
post_port->port.get_buffer = post_audio_get_buffer;
post_port->port.put_buffer = post_audio_put_buffer;
post_port->port.close = post_audio_close;
post_port->port.exit = post_audio_exit;
post_port->port.get_capabilities = post_audio_get_capabilities;
post_port->port.get_property = post_audio_get_property;
post_port->port.set_property = post_audio_set_property;
post_port->port.control = post_audio_control;
post_port->port.flush = post_audio_flush;
post_port->port.status = post_audio_status;
post_port->original_port = original;
post_port->post = post;
return post_port;
}
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