File:
[DVB] /
margi2 /
spu.c
Revision
1.2:
download - view:
text,
annotated -
select for diffs
Wed Apr 25 15:31:09 2001 UTC (23 years, 1 month ago) by
mocm
Branches:
MAIN
CVS tags:
HEAD
- various fixes
- more support for DVB API
- support for setting video stream type (works with ntuxplayer and AC3 playback)
- started with support for separate writing in audio and video buffer
/*
spu.c
Copyright (C) Christian Wolff for convergence integrated media.
This program 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.
This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define __NO_VERSION__
#include "spu.h"
#include "l64021.h"
int DecoderHighlight(struct cvdv_cards *card, int active, u8 * coli,
u8 * btn_posi)
{
int i;
if ((coli == NULL) || (btn_posi == NULL))
return 1;
MDEBUG(0,": -- DecoderHighlight: col 0x%02X%02X, contr 0x%02X%02X, act %d, %d,%d - %d,%d\n",
coli[0], coli[1], coli[2], coli[3], active,
(((int) btn_posi[0] & 0x3F) << 4) | (btn_posi[1] >> 4),
(((int) btn_posi[3] & 0x3F) << 4) | (btn_posi[4] >> 4),
(((int) btn_posi[1] & 0x03) << 8) | btn_posi[2],
(((int) btn_posi[4] & 0x03) << 8) | btn_posi[5]);
//for (i=0; i<4; i++) DecoderWriteByte(card,0x1C0+i,coli[i]);
// DecoderWriteByte(card,0x1C0,coli[1]);
// DecoderWriteByte(card,0x1C1,coli[0]);
// DecoderWriteByte(card,0x1C2,coli[3]);
// DecoderWriteByte(card,0x1C3,coli[2]);
//for (i=0; i<6; i++) DecoderWriteByte(card,0x1C4+i,btn_posi[i]);
// for (i=0; i<6; i++) DecoderWriteByte(card,0x1C4+i,btn_posi[5-i]);
//if (active) DecoderSetByte(card,0x1BF,0x01);
//else DecoderDelByte(card,0x1BF,0x01);
//for (i=0; i<4; i++) card->highlight[i]=coli[3-i];
card->highlight[0] = coli[1];
card->highlight[1] = coli[0];
card->highlight[2] = coli[3];
card->highlight[3] = coli[2];
for (i = 0; i < 6; i++)
card->highlight[4 + i] = btn_posi[5 - i];
card->highlight_valid = 1;
if (active)
DecoderWriteByte(card, 0x1BF, 0x01);
else
DecoderWriteByte(card, 0x1BF, 0x00);
//DecoderSetByte(card,0x135,0x02); // Enable SPU Mix
//DecoderWriteByte(card,0x1A0,0x01); // decode start, display on
return 0;
}
int DecoderSPUPalette(struct cvdv_cards *card, int length, u8 * palette)
{
int i;
MDEBUG(1,": -- DecoderSPUPalette: setting up %d bytes of SPU palette(Y,Cr,Cb):", length);
for (i = 0; i < (length / 3); i++)
MDEBUG(1," %d=(%d,%d,%d)", i, palette[i * 3],palette[i * 3 + 1],
palette[i * 3 + 2]);
MDEBUG(1,"\n");
DecoderDelByte(card, 0x1A0, 0x01); // SPU decode stop
DecoderSetByte(card, 0x1A0, 0x10);
for (i = 0; i < length; i++)
DecoderWriteByte(card, 0x1BE, palette[i]);
DecoderSetByte(card, 0x1A0, 0x01); // SPU decode start
return 0;
}
int DecoderSPUStream(struct cvdv_cards *card, int stream, int active)
{
MDEBUG(1,": -- DecoderSPUStream: stream %d, active %d\n", stream,
active);
if (stream < 32) {
card->reg092 |= (0x20 | (stream & 0x1F)); // stream ID and select
DecoderWriteByte(card, 0x092, card->reg092);
DecoderMaskByte(card, 0x112, 0x20, 0x20); // chroma filter enable
DecoderMaskByte(card, 0x1A1, 0x0F, 0x00); // SPU timeout
DecoderWriteByte(card, 0x1BF, 0x00); // HighLight off
DecoderSetByte(card, 0x135, 0x02); // Enable SPU Mix
if (active)
DecoderWriteByte(card, 0x1A0, 0x01); // decode start, display on
else
DecoderWriteByte(card, 0x1A0, 0x05); // decode start, display off
} else {
DecoderWriteByte(card, 0x1A0, 0x04); // decode stop, display off
card->reg092 &= (~0x20); // stream select off
DecoderWriteByte(card, 0x092, card->reg092);
DecoderDelByte(card, 0x135, 0x02); // Disable SPU Mix
}
return 0;
}
LinuxTV legacy CVS <linuxtv.org/cvs>