summaryrefslogtreecommitdiff
path: root/dxr3spudecoder.c
diff options
context:
space:
mode:
Diffstat (limited to 'dxr3spudecoder.c')
-rw-r--r--dxr3spudecoder.c601
1 files changed, 27 insertions, 574 deletions
diff --git a/dxr3spudecoder.c b/dxr3spudecoder.c
index 1013216..5cd276c 100644
--- a/dxr3spudecoder.c
+++ b/dxr3spudecoder.c
@@ -3,9 +3,6 @@
*
* Copyright (C) 2004 Christian Gmeiner
*
- * Orginal:
- * Copyright (C) 2001.2002 Andreas Schultz <aschultz@warp10.net>
- *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
@@ -22,254 +19,53 @@
*
*/
-#include <assert.h>
-#include <string.h>
-#include <inttypes.h>
-#include <math.h>
-
#include "dxr3spudecoder.h"
-#include "dxr3interface.h"
-#include "dxr3tools.h"
-
-// ==================================
-#define CMD_SPU_MENU 0x00
-#define CMD_SPU_SHOW 0x01
-#define CMD_SPU_HIDE 0x02
-#define CMD_SPU_SET_PALETTE 0x03
-#define CMD_SPU_SET_ALPHA 0x04
-#define CMD_SPU_SET_SIZE 0x05
-#define CMD_SPU_SET_PXD_OFFSET 0x06
-#define CMD_SPU_CHG_COLCON 0x07
-#define CMD_SPU_EOF 0xff
-
-#define spuU32(i) ((spu[i] << 8) + spu[i+1])
-
-
-/*
- * cDxr3Spubitmap:
- *
- * this is a bitmap of the full screen and two palettes
- * the normal palette for the background and the highlight palette
- *
- * Inputs:
- * - a SPU rle encoded image on creation, which will be decoded into
- * the full screen indexed bitmap
- *
- * Output:
- * - a minimal sized cDxr3SpuBitmap a given palette, the indexed bitmap
- * will be scanned to get the smallest possible resulting bitmap considering
- * transparencies
- */
-
-// ==================================
-void cDxr3SpuPalette::setPalette(const uint32_t * pal)
-{
- for (int i = 0; i < 16; i++)
- palette[i] = Tools::YUV2Rgb(pal[i]);
-}
-
-// ==================================
-#define setMin(a, b) if (a > b) a = b
-#define setMax(a, b) if (a < b) a = b
-
-#define spuXres 720
-#define spuYres 576
-
-#define revRect(r1, r2) { r1.x1 = r2.x2; r1.y1 = r2.y2; r1.x2 = r2.x1; r1.y2 = r2.y1; }
-
-// ==================================
-cDxr3SpuBitmap::cDxr3SpuBitmap(sDxr3SpuRect size, uint8_t * fodd,
- uint8_t * eodd, uint8_t * feven,
- uint8_t * eeven)
-{
- if (size.x1 < 0 || size.y1 < 0 || size.x2 >= spuXres || size.y2 >= spuYres)
- throw;
-
- bmpsize = size;
- revRect(minsize[0], size);
- revRect(minsize[1], size);
- revRect(minsize[2], size);
- revRect(minsize[3], size);
-
- if (!(bmp = new uint8_t[spuXres * spuYres * sizeof(uint8_t)]))
- throw;
-
- memset(bmp, 0, spuXres * spuYres * sizeof(uint8_t));
- putFieldData(0, fodd, eodd);
- putFieldData(1, feven, eeven);
-}
-
-// ==================================
-cDxr3SpuBitmap::~cDxr3SpuBitmap()
-{
- delete[]bmp;
-}
-
-// ==================================
-cBitmap *cDxr3SpuBitmap::getBitmap(const aDxr3SpuPalDescr paldescr,
- const cDxr3SpuPalette & pal,
- sDxr3SpuRect & size) const
-{
- int h = size.height();
- int w = size.width();
-
- if (size.y1 + h >= spuYres)
- {
- h = spuYres - size.y1 - 1;
- }
- if (size.x1 + w >= spuXres)
- {
- w = spuXres - size.x1 - 1;
- }
-
- if (w & 0x03)
- {
- w += 4 - (w & 0x03);
- }
-
- cBitmap *ret = new cBitmap(w, h, 2);
-
- // set the palette
- for (int i = 0; i < 4; i++)
- {
- uint32_t color = pal.getColor(paldescr[i].index, paldescr[i].trans);
- ret->SetColor(i, (tColor) color);
- }
-
- // set the content
- for (int yp = 0; yp < h; yp++)
- {
- for (int xp = 0; xp < w; xp++)
- {
- uint8_t idx = bmp[(size.y1 + yp) * spuXres + size.x1 + xp];
- ret->SetIndex(xp, yp, idx);
- }
- }
- return ret;
-}
// ==================================
-// find the minimum non-transparent area
-bool cDxr3SpuBitmap::getMinSize(const aDxr3SpuPalDescr paldescr,
- sDxr3SpuRect & size) const
+// ! constructor
+cDxr3SpuDecoder::cDxr3SpuDecoder() : m_Interface(cDxr3Interface::Instance())
{
- bool ret = false;
- for (int i = 0; i < 4; i++)
- {
- if (paldescr[i].trans != 0)
- {
- if (!ret)
- {
- size = minsize[i];
- }
- else
- {
- setMin(size.x1, minsize[i].x1);
- setMin(size.y1, minsize[i].y1);
- setMax(size.x2, minsize[i].x2);
- setMax(size.y2, minsize[i].y2);
- }
- ret = true;
- }
- }
- dsyslog("dxr3: getminsize: (%d,%d) x (%d,%d)",
- size.x1, size.y1, size.x2, size.y2);
- if (size.x1 > size.x2 || size.y1 > size.y2)
- return false;
- return ret;
+ m_Visible = false;
+ m_ScaleMode = eSpuNormal;
}
// ==================================
-void cDxr3SpuBitmap::putPixel(int xp, int yp, int len, uint8_t colorid)
+// ! set pts
+int cDxr3SpuDecoder::setTime(uint32_t pts)
{
- memset(bmp + spuXres * yp + xp, colorid, len);
- setMin(minsize[colorid].x1, xp);
- setMin(minsize[colorid].y1, yp);
- setMax(minsize[colorid].x2, xp + len - 1);
- setMax(minsize[colorid].y2, yp + len - 1);
+ m_Interface.SetSpuPts(pts);
+ return (pts == 0) ? 0 : 1;
}
// ==================================
-static uint8_t getBits(uint8_t * &data, uint8_t & bitf)
+// ! send palette to dxr3
+void cDxr3SpuDecoder::setPalette(uint32_t * pal)
{
- uint8_t ret = *data;
- if (bitf)
- {
- ret >>= 4;
- }
- else
- {
- data++;
- }
-
- bitf ^= 1;
-
- return (ret & 0xf);
+ dsyslog("dxr3: spu setpalette");
+ m_Interface.SetPalette(pal);
}
// ==================================
-void cDxr3SpuBitmap::putFieldData(int field, uint8_t * data, uint8_t * endp)
+// ! send highlight to dxr3
+void cDxr3SpuDecoder::setHighlight(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint32_t palette)
{
- int xp = bmpsize.x1;
- int yp = bmpsize.y1 + field;
- uint8_t bitf = 1;
-
- while (data < endp)
- {
- uint16_t vlc = getBits(data, bitf);
- if (vlc < 0x0004)
- {
- vlc = (vlc << 4) | getBits(data, bitf);
- if (vlc < 0x0010)
- {
- vlc = (vlc << 4) | getBits(data, bitf);
- if (vlc < 0x0040)
- {
- vlc = (vlc << 4) | getBits(data, bitf);
- }
- }
- }
-
- uint8_t color = vlc & 0x03;
- int len = vlc >> 2;
-
- // if len == 0 -> end sequence - fill to end of line
- len = len ? len : bmpsize.x2 - xp + 1;
- putPixel(xp, yp, len, color);
- xp += len;
-
- if (xp > bmpsize.x2)
- {
- // nextLine
- if (!bitf)
- data++;
- bitf = 1;
- xp = bmpsize.x1;
- yp += 2;
- if (yp > bmpsize.y2)
- return;
- }
- }
+ dsyslog("dxr3: spu highlight: %d, %d, %d, %d", sx, sy, ex, ey);
+ m_Interface.SetButton(sx, sy, ex, ey, palette);
}
// ==================================
-// ! constructor
-cDxr3SpuDecoder::cDxr3SpuDecoder()
+// ! clear highlight
+void cDxr3SpuDecoder::clearHighlight(void)
{
- clean = true;
- scaleMode = eSpuNormal;
- spu = NULL;
- osd = NULL;
- spubmp = NULL;
- allowedShow = true;
+ dsyslog("dxr3: clear highlight");
+ m_Interface.ClearButton();
}
// ==================================
-cDxr3SpuDecoder::~cDxr3SpuDecoder()
+// ! clear highlight and osd
+void cDxr3SpuDecoder::Empty(void)
{
- delete spubmp;
- delete spu;
- delete osd;
+ m_Interface.ClearOsd();
}
// ==================================
@@ -280,356 +76,13 @@ void cDxr3SpuDecoder::processSPU(uint32_t pts, uint8_t * buf, bool AllowedShow)
void cDxr3SpuDecoder::processSPU(uint32_t pts, uint8_t * buf)
#endif
{
- setTime(pts);
dsyslog("dxr3: spudec push: pts=%d", pts);
- delete spubmp;
- spubmp = NULL;
- delete[]spu;
- spu = buf;
- spupts = pts;
-
- DCSQ_offset = cmdOffs();
- prev_DCSQ_offset = 0;
-
- clean = true;
-#if VDRVERSNUM >= 10318
- allowedShow = AllowedShow;
-#endif
-}
-
-// ==================================
-// ! get scalemode
-cSpuDecoder::eScaleMode cDxr3SpuDecoder::getScaleMode(void)
-{
- return scaleMode;
-}
-
-// ==================================
-// ! set scalemode
-void cDxr3SpuDecoder::setScaleMode(cSpuDecoder::eScaleMode ScaleMode)
-{
- scaleMode = ScaleMode;
-}
-
-// ==================================
-// ! send palette to dxr3
-void cDxr3SpuDecoder::setPalette(uint32_t * pal)
-{
- palette.setPalette(pal);
-}
-
-// ==================================
-// ! send highlight to dxr3
-void cDxr3SpuDecoder::setHighlight(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint32_t palette)
-{
- aDxr3SpuPalDescr pld;
- for (int i = 0; i < 4; i++)
- {
- pld[i].index = 0xf & (palette >> (16 + 4 * i));
- pld[i].trans = 0xf & (palette >> (4 * i));
- }
-
- bool ne = hlpsize.x1 != sx || hlpsize.y1 != sy ||
- hlpsize.x2 != ex || hlpsize.y2 != ey ||
- pld[0] != hlpDescr[0] || pld[1] != hlpDescr[1] ||
- pld[2] != hlpDescr[2] || pld[3] != hlpDescr[3];
-
- if (ne)
- {
- dsyslog("dxr3: spu highlight: %d, %d, %d, %d", sx, sy, ex, ey);
-
- hlpsize.x1 = sx;
- hlpsize.y1 = sy;
- hlpsize.x2 = ex;
- hlpsize.y2 = ey;
- memcpy(hlpDescr, pld, sizeof(aDxr3SpuPalDescr));
- highlight = true;
- clean = false;
- }
-}
-
-// ==================================
-// ! clear highlight
-void cDxr3SpuDecoder::clearHighlight()
-{
- clean &= !highlight;
- highlight = false;
- hlpsize.x1 = -1;
- hlpsize.y1 = -1;
- hlpsize.x2 = -1;
- hlpsize.y2 = -1;
-}
-
-// ==================================
-int cDxr3SpuDecoder::ScaleYcoord(int value)
-{
- if (scaleMode == eSpuLetterBox)
- {
- int offset =
- cDevice::PrimaryDevice()->GetVideoSystem() == vsPAL ? 72 : 60;
- return lround((value * 3.0) / 4.0) + offset;
- }
- return value;
-}
-
-// ==================================
-int cDxr3SpuDecoder::ScaleYres(int value)
-{
- if (scaleMode == eSpuLetterBox)
- {
- return lround((value * 3.0) / 4.0);
- }
- return value;
-}
-
-// ==================================
-void cDxr3SpuDecoder::DrawBmp(sDxr3SpuRect & size, cBitmap * bmp)
-{
- int x2 = size.x2;
- while ((x2 - size.x1 + 1) & 0x03)
- x2++;
- tArea Area = { size.x1, size.y1, x2, size.y2, 2 };
- osd->SetAreas(&Area, 1);
- if (x2 > size.x2)
- osd->DrawRectangle(size.x2 + 1, size.y1, x2, size.y2, clrTransparent);
- osd->DrawBitmap(size.x1, size.y1, *bmp);
- delete bmp;
-}
-
-// ==================================
-// ! draw nav, subtitles, ...
-void cDxr3SpuDecoder::Draw()
-{
- Hide();
-
- if (!spubmp)
- {
- return;
- }
-
- cBitmap *fg = NULL;
- cBitmap *bg = NULL;
- sDxr3SpuRect bgsize;
- sDxr3SpuRect hlsize;
-
- hlsize.x1 = hlpsize.x1;
- hlsize.y1 = ScaleYcoord(hlpsize.y1);
- hlsize.x2 = hlpsize.x2;
- hlsize.y2 = ScaleYcoord(hlpsize.y2);
-
- if (highlight)
- {
- fg = spubmp->getBitmap(hlpDescr, palette, hlsize);
- }
-
- if (spubmp->getMinSize(palDescr, bgsize))
- {
- bg = spubmp->getBitmap(palDescr, palette, bgsize);
- if (scaleMode == eSpuLetterBox)
- {
- // the coordinates have to be modified for letterbox
- int y1 = ScaleYres(bgsize.y1) + bgsize.height();
- bgsize.y2 = y1 + bgsize.height();
- bgsize.y1 = y1;
- }
- }
-
- if (bg || fg)
- {
- if (osd == NULL)
- if ((osd = cOsdProvider::NewOsd(0, 0)) == NULL)
- {
- esyslog("dxr3: could not instantiate new OSD");
- return;
- }
-
- if (fg)
- {
- DrawBmp(hlsize, fg);
- }
-
- if (bg)
- {
- DrawBmp(bgsize, bg);
- }
-
- osd->Flush();
- }
-
- clean = true;
-}
-
-// ==================================
-// ! hide nav, subtitles, ...
-void cDxr3SpuDecoder::Hide()
-{
- delete osd;
- osd = NULL;
-}
-
-// ==================================
-// ! clear highlight and osd
-void cDxr3SpuDecoder::Empty()
-{
- Hide();
-
- delete spubmp;
- spubmp = NULL;
-
- delete[]spu;
- spu = NULL;
-
- clearHighlight();
- clean = true;
-}
-
-// ==================================
-// ! set pts
-int cDxr3SpuDecoder::setTime(uint32_t pts)
-{
- if (!spu)
- {
- return 0;
- }
-
- if (spu && !clean)
- {
- Draw();
- }
-
- while (DCSQ_offset != prev_DCSQ_offset)
- {
- // Display Control Sequences
- int i = DCSQ_offset;
- state = spNONE;
-
- uint32_t exec_time = spupts + spuU32(i) * 1024;
- if ((pts != 0) && (exec_time > pts))
- {
- return 0;
- }
-
- if (pts != 0)
- {
- uint16_t feven = 0;
- uint16_t fodd = 0;
-
- i += 2;
-
- prev_DCSQ_offset = DCSQ_offset;
- DCSQ_offset = spuU32(i);
- i += 2;
-
- while (spu[i] != CMD_SPU_EOF)
- {
- // Command Sequence
- switch (spu[i])
- {
- case CMD_SPU_SHOW:
- // show subpicture
- dsyslog("dxr3: spu show");
- state = spSHOW;
- i++;
- break;
-
- case CMD_SPU_HIDE:
- // hide subpicture
- dsyslog("dxr3: spu hide");
- state = spHIDE;
- i++;
- break;
-
- case CMD_SPU_SET_PALETTE:
- // CLUT
- palDescr[0].index = spu[i + 2] & 0xf;
- palDescr[1].index = spu[i + 2] >> 4;
- palDescr[2].index = spu[i + 1] & 0xf;
- palDescr[3].index = spu[i + 1] >> 4;
- i += 3;
- break;
-
- case CMD_SPU_SET_ALPHA:
- // transparency palette
- palDescr[0].trans = spu[i + 2] & 0xf;
- palDescr[1].trans = spu[i + 2] >> 4;
- palDescr[2].trans = spu[i + 1] & 0xf;
- palDescr[3].trans = spu[i + 1] >> 4;
- i += 3;
- break;
-
- case CMD_SPU_SET_SIZE:
- // image coordinates
- size.x1 = (spu[i + 1] << 4) | (spu[i + 2] >> 4);
- size.x2 = ((spu[i + 2] & 0x0f) << 8) | spu[i + 3];
-
- size.y1 = (spu[i + 4] << 4) | (spu[i + 5] >> 4);
- size.y2 = ((spu[i + 5] & 0x0f) << 8) | spu[i + 6];
-
- dsyslog("dxr3: spu size (%d,%d) x (%d,%d)",
- size.x1, size.y1, size.x2, size.y2);
- i += 7;
- break;
-
- case CMD_SPU_SET_PXD_OFFSET:
- // image 1 / image 2 offsets
- fodd = spuU32(i + 1);
- feven = spuU32(i + 3);
-
- dsyslog("dxr3: spu offset: odd=%d, even=%d", fodd, feven);
- i += 5;
- break;
-
- case CMD_SPU_CHG_COLCON:
- {
- int size = spuU32(i + 1);
- i += 1 + size;
- }
- break;
-
- case CMD_SPU_MENU:
- dsyslog("dxr3: spu menu");
- state = spMENU;
- i++;
- break;
-
- default:
- esyslog("dxr3: invalid sequence in control header (%.2x)",
- spu[i]);
- assert(0);
- i++;
- break;
- }
- }
- if (fodd != 0 && feven != 0)
- {
- delete spubmp;
- spubmp = new cDxr3SpuBitmap(size, spu + fodd, spu + feven,
- spu + feven, spu + cmdOffs());
- }
- }
- else if (!clean)
- {
- state = spSHOW;
- }
-
- if ((state == spSHOW && allowedShow) || state == spMENU)
- {
- Draw();
- }
-
- if (state == spHIDE)
- {
- Hide();
- }
-
- if (pts == 0)
- {
- return 0;
- }
- }
+ // size are the first two bits of buf
+ // size = (buf[0] << 8) + buf[1]
- return 1;
+ m_Interface.SetSpuPts(pts);
+ m_Interface.WriteSpu(buf, (buf[0] << 8) + buf[1]);
}
// Local variables:
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-24 21:50:03 +0000