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/*
* Copyright (C) 2000-2001 the xine project
*
* Copyright (C) James Courtier-Dutton James@superbug.demon.co.uk - July 2001
*
* This file is part of xine, a unix 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: xine_decoder.c,v 1.2 2001/07/04 20:32:29 uid32519 Exp $
*
* stuff needed to turn libspu into a xine decoder plugin
*/
/*
* FIXME: libspu uses global variables (that are written to)
*/
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "spu.h"
#include "buffer.h"
#include "xine_internal.h"
#define FRAME_SIZE 4096
typedef struct spudec_decoder_s {
spu_decoder_t spu_decoder;
uint32_t pts;
uint8_t frame_buffer[FRAME_SIZE];
uint8_t *frame_ptr;
int sync_todo;
int frame_length, frame_todo;
uint16_t syncword;
vo_instance_t *vo_out;
vo_overlay_t *spu;
int spu_caps;
int bypass_mode;
int max_num_channels;
int output_sampling_rate;
int output_open;
int output_mode;
} spudec_decoder_t;
int spudec_can_handle (spu_decoder_t *this_gen, int buf_type) {
return ((buf_type & 0xFFFF0000) == BUF_SPU_PACKAGE) ;
}
void spudec_init (spu_decoder_t *this_gen, vo_instance_t *vo_out) {
spudec_decoder_t *this = (spudec_decoder_t *) this_gen;
printf("spudec_init %p\n",&vo_out);
this->vo_out = vo_out;
this->spu_caps = vo_out->get_capabilities(vo_out);
this->syncword = 0;
this->sync_todo = 6;
this->output_open = 0;
// spu_init ();
}
/* overlay_txt is just for test purposes */
u_int *overlay_txt (vo_overlay_t *spu, float o1)
{
u_int x, y;
u_char tmp;
/* u_char *clr_ptr1 = (u_char *) img1; */
u_char *clr_ptr2;
u_char *spu_data_ptr = (u_char *) spu->data;
float o;
/* don't know why this can happen - but it does happen */
if ((spu->width <= 0) || (spu->height <= 0) ||
(spu->width > 1024) || (spu->height > 1024)) {
fprintf (stderr, "width || height out of range.\n");
return NULL;
}
for (y = spu->y; y < (spu->height + spu->y); y++) {
// clr_ptr1 = (u_char *) (img1 + y * 720 + spu->x);
for (x = spu->x; x < (spu->width + spu->x); x++) {
o = ((float) (*spu_data_ptr>>4) / 15.0) * o1;
//clr_ptr2 = (u_char *) &spu_clut[*spu_data_ptr&0x0f];
*clr_ptr2 = *spu_data_ptr&0x0f;
tmp=*spu_data_ptr;
printf("%X%X",tmp&0x0f,((tmp>>4)&0x0f));
spu_data_ptr ++;
// printf("%d ",(*clr_ptr2++));
// printf("%d ",(*clr_ptr2++));
// printf("%d ",(*clr_ptr2++));
// printf("%d \n",(*clr_ptr2++));
}
printf("\n");
}
return 0;
}
void spudec_decode_data (spu_decoder_t *this_gen, buf_element_t *buf) {
spudec_decoder_t *this = (spudec_decoder_t *) this_gen;
uint8_t *current = buf->content;
/* uint8_t *end = buf->content + buf->size; */
printf ("spudec_decode_data\n");
if (!this->spu) {
this->spu = this->vo_out->get_overlay (this->vo_out);
}
/* FIXME: shouldn't happen, but get_overlay function isn't implemented yet */
if (!this->spu)
return;
if (!spuParseHdr (this->spu, current, buf->size)) {
spuParseData (this->spu);
printf("X=%d Y=%d w=%d h=%d\n",
this->spu->x,this->spu->y,
this->spu->width,this->spu->height);
/* overlay_txt(this->spu,1.0); Just for test purposes */
this->spu->PTS = buf->PTS;
this->vo_out->queue_overlay (this->vo_out, this->spu);
this->spu = NULL;
}
}
void spudec_close (spu_decoder_t *this_gen) {
/* spudec_decoder_t *this = (spudec_decoder_t *) this_gen; */
// if (this->output_open)
// this->spu_out->close (this->spu_out);
/* close (spufile); */
}
static char *spudec_get_id(void) {
return "spudec";
}
spu_decoder_t *init_spu_decoder_plugin (int iface_version, config_values_t *cfg) {
spudec_decoder_t *this ;
if (iface_version != 1)
return NULL;
this = (spudec_decoder_t *) malloc (sizeof (spudec_decoder_t));
this->spu_decoder.interface_version = 1;
this->spu_decoder.can_handle = spudec_can_handle;
this->spu_decoder.init = spudec_init;
this->spu_decoder.decode_data = spudec_decode_data;
this->spu_decoder.close = spudec_close;
this->spu_decoder.get_identifier = spudec_get_id;
return (spu_decoder_t *) this;
}
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