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-rw-r--r--dxr3interface_spu_encoder.c620
1 files changed, 0 insertions, 620 deletions
diff --git a/dxr3interface_spu_encoder.c b/dxr3interface_spu_encoder.c
deleted file mode 100644
index acf7c72..0000000
--- a/dxr3interface_spu_encoder.c
+++ /dev/null
@@ -1,620 +0,0 @@
-/*
- * dxr3interface_spu_encoder.c - encodes an OSD bitmap as subpicture
- *
- * Assimilated and adapted by
- * Stefan Schluenss <dxr3_osd@schluenss.de>
- * Nov. 2002
- *
- * Based on the subpicture encoding routines from MPlayer and
- * the information given by
- * Samuel Hocevar
- * Michel Lespinasse
- * and http://members.aol.com/mpucoder/DVD/spu.html
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#include "dxr3interface_spu_encoder.h"
-#include "dxr3tools.h"
-
-/*
- ToDo:
- - cSPUEncoder::encode_do_row: FIXME: watch this space for EOL
-*/
-
-
-#ifdef USE_XINE_SCALER
-/*=======================================================================
- *
- * Scaling functions taken from the xine plugin
- *
- */
-
-#include <math.h>
-#include <signal.h>
-#include <string>
-#include <vdr/plugin.h>
-
-namespace XineScaler
-{
-
- template <const int yInc = 1, class T = int>
- class cBresenham
- {
- const int m_dx;
- const int m_dy;
-
- int m_eps;
- T m_y;
-
- public:
- cBresenham(const int dy, const int dx, const int eps, T const y0 = 0)
- : m_dx(dx), m_dy(dy), m_eps(eps - m_dx), m_y(y0)
- {
- }
-
- int eps() const
- {
- return m_eps;
- }
-
- T step()
- {
- m_eps += m_dy;
- while (m_eps >= 0)
- {
- m_eps -= m_dx;
- m_y += yInc;
- }
- return m_y;
- }
-
- T step(int n)
- {
- if (n <= 0)
- return m_y;
- while (--n > 0)
- step();
- return step();
- }
-
- T stepRelative(int n = 1)
- {
- T const y = m_y;
- return step(n) - y;
- }
- };
-
- static uint8_t *ScaleBitmapLQ(const uint8_t *src, uint8_t *dest, int x0,
- int y0, int w, int h, int ws, int hs, int x1,
- int y1, int w1, int h1,
- const uint8_t transparentIndex)
- {
- uint8_t *const screen = new uint8_t[ OSDHEIGHT * OSDWIDTH ];
- {
- int x1 = x0 + w;
- int y1 = y0 + h;
- int x2 = OSDWIDTH;
- int y2 = OSDHEIGHT;
-
- if (x1 > x2)
- x1 = x2;
-
- if (y1 > y2)
- y1 = y2;
-
- uint8_t *dst = screen;
-
- for (int y = 0; y < y0; y++)
- {
- for (int x = 0; x < x2; x++)
- *dst++ = transparentIndex;
- }
-
- for (int y = y0; y < y1; y++)
- {
- for (int x = 0; x < x0; x++)
- *dst++ = transparentIndex;
-
- for (int x = x0; x < x1; x++)
- *dst++ = *src++;
-
- for (int x = x1; x < x2; x++)
- *dst++ = transparentIndex;
- }
-
- for (int y = y1; y < y2; y++)
- {
- for (int x = 0; x < x2; x++)
- *dst++ = transparentIndex;
- }
- }
-
- uint8_t *scaled = dest; //new uint8_t[ hs * ws ];
- {
- int x2 = x1 + w1;
- int y2 = y1 + h1;
-
- if (x2 > ws)
- {
- x2 = ws;
- w1 = x2 - x1;
- if (w1 < 0)
- w1 = 0;
- }
-
- if (y2 > hs)
- {
- y2 = hs;
- h1 = y2 - y1;
- if (h1 < 0)
- h1 = 0;
- }
-
- cBresenham<OSDWIDTH, uint8_t *> yyBh(2 * OSDHEIGHT, 2 * hs, hs, screen);
- uint8_t *screen0 = yyBh.step(y1); //(((2 * y1 + 1) * OSDHEIGHT / hs) / 2);
-
- cBresenham<> xxBh0(2 * OSDWIDTH, 2 * ws, ws);
- xxBh0.step(x1); //(((2 * x1 + 1) * OSDWIDTH / ws) / 2);
-
- uint8_t *scaled0 = scaled + y1 * OSDWIDTH; //ws; ******
-
- for (int y = y1; y < y2; y++)
- {
- cBresenham<> xxBh(xxBh0);
- int xxx = xxBh.step(0); //(((2 * x1 + 1) * OSDWIDTH / ws) / 2);
-
- uint8_t *screen00 = screen0 + xxx;
- uint8_t *scaled00 = scaled0 + x1;
-
- for (int x = x1; x < x2; x++)
- {
- *scaled00++ = *screen00;
- screen00 += xxBh.stepRelative();
- }
-
- scaled0 += OSDWIDTH; //ws; *******
- screen0 = yyBh.step();
- }
- }
-
- delete [] screen;
- return scaled;
- }
-
-}
-
-/*=======================================================================
- *
- * End of scaling functions taken from the xine plugin
- *
- */
-#endif /* USE_XINE_SCALER */
-
-// ==================================
-cSPUEncoder::cSPUEncoder()
-{
- // clear osd
- memset(OSD_Screen, 0x00, OSDWIDTH * OSDHEIGHT);
- memset(OSD_Screen2, 0x00, OSDWIDTH * OSDHEIGHT);
- memset(OSD_Screen3, 0x00, OSDWIDTH * OSDHEIGHT);
-
- // set active area to 0
- //m_x0 = m_x1 = m_y0 = m_y1 = 0;
-}
-
-
-//========================================
-//Sets the palette indexes to use for one
-//window taking into account the global
-//palette (with colors needed by all windows)
-
-void cSPUEncoder::SetPalette(int numWindow, cPalette* commonPalette,
- cPalette* windowPalette)
-{
- int NumColors;
- const tColor *Colors = windowPalette->Colors(NumColors);
- if (Colors)
- {
- for (int i = 0; i < NumColors; i++)
- {
- int idx = commonPalette->Index(Colors[i] & 0x00FFFFFF);
- int opacity = ((Colors[i] & 0xFF000000) >> 24) * 0xF / 0xFF;
- bitmapcolor[numWindow][i] = (opacity<<4) | idx;
- }
- }
-}
-
-//========================================
-//Clears the OSD bitmap
-
-void cSPUEncoder::Clear(void)
-{
- memset(OSD_Screen, 0, sizeof(OSD_Screen));
-}
-
-//=============================================================
-//Sets the spu palette and flushes the OSD content into the spu
-int cSPUEncoder::Flush(cPalette *Palette)
-{
- int NumColors;
- const tColor *Colors = Palette->Colors(NumColors);
- if (Colors)
- {
- unsigned int palcolors[16];
- for (int i = 0; i < NumColors; i++)
- {
- // convert AARRGGBB to AABBGGRR (the driver expected the the
- // colors the wrong way, so does Rgb2YCrCb and friends)
- unsigned int color = ((Colors[i] & 0x0000FF) << 16)
- | (Colors[i] & 0x00FF00) | ((Colors[i] & 0xFF0000) >> 16);
- palcolors[i] = Tools::Rgb2YCrCb(color);
- }
- cDxr3Interface::instance()->SetPalette(palcolors);
- }
-
- // calculate osd size (actually dead code)
- CalculateActiveOsdArea();
-
- m_encodeddata.count = 0;
- EncodePixelbufRle(0, 0, OSDWIDTH, OSDHEIGHT-1, OSD_Screen, 0,
- &m_encodeddata);
-
-// dsyslog("dxr3: cSPUEncoder::Flush: OSD data size: %d",
-// m_encodeddata.count);
-
- if (m_encodeddata.count <= DATASIZE)
- {
- cDxr3Interface::instance()->WriteSpu((uint8_t*) &m_encodeddata,
- m_encodeddata.count);
- return 0;
- }
- else
- {
- esyslog("dxr3: spu: warning: SPU data size (%d) exceeds limit (%d)",
- m_encodeddata.count, DATASIZE);
- return -1;
- }
-}
-
-// ==================================
-// stamps window content into full osd bitmap
-void cSPUEncoder::CopyBlockIntoOSD(int numWindow, int linewidth, int x0,
- int y0, int x1, int y1, const tIndex *data)
-{
- tIndex *cp;
- const tIndex *sp = data;
-
- if (x1 >= OSDWIDTH)
- x1 = OSDWIDTH - 1;
- if (y1 >= OSDHEIGHT)
- y1 = OSDHEIGHT - 1;
- cp = &OSD_Screen[y0 * OSDWIDTH + x0];
-
- for (int y = y0; y <= y1; y++)
- {
- for (int x = x0; x <= x1; x++)
- {
- *(cp++) = bitmapcolor[numWindow][*(sp++) & 0x0f];
- }
- cp += OSDWIDTH - (x1 - x0 + 1);
- sp += linewidth - (x1 - x0 + 1);
- }
-}
-
-// ==================================
-// taken from mplayer (spuenc.c)
-void cSPUEncoder::EncodePixelbufRle(int x, int y, int w, int h, u_char *inbuf,
- int stride, encodedata *ed)
-{
- pixbuf pb;
- int i, row;
- pb.x = w;
- pb.y = h;
-
-#ifdef USE_XINE_SCALER
- int ws = cDxr3Interface::instance()->GetHorizontalSize();
- int hs = cDxr3Interface::instance()->GetVerticalSize();
- if (ws < 720 || hs < 576)
- inbuf = XineScaler::ScaleBitmapLQ(inbuf, OSD_Screen2, 0, 0, OSDWIDTH,
- OSDHEIGHT, ws, hs, 0, 0, ws, hs,
- 0 /* clrTransparent */);
-#else
- if (cDxr3Interface::Instance().GetHorizontalSize() < 700)
- {
- double fac = (double)OSDWIDTH / (double)OSDWIDTH2;
- ScaleOSD(fac, inbuf, 10);
- inbuf = OSD_Screen2;
- }
-#endif /* USE_XINE_SCALER */
-
- m_ColorManager = new cColorManager();
-
- // Encode colors into highlight regions
- m_ColorManager->EncodeColors(w, h, inbuf, OSD_Screen3);
- inbuf = OSD_Screen3;
-
- pb.pixels = inbuf;
- ed->count = 4;
- ed->nibblewaiting = 0;
-
- row = 0;
- for (i = 0; i < pb.y; i++)
- {
- encode_do_row(ed, &pb, row);
- row += 2;
- if (row > pb.y)
- {
- row = 1;
- ed->oddstart = ed->count;
- }
- }
- encode_do_control(x, y, ed, &pb);
-
- delete m_ColorManager;
-}
-
-#ifndef USE_XINE_SCALER
-// ==================================
-void cSPUEncoder::ScaleOSD(double fac, unsigned char* buf,
- unsigned char NumColors)
-{
- int y, x, s, d;
- unsigned char dline[2 * OSDWIDTH + 10];
-
- memset(OSD_Screen2, 0x00, OSDWIDTH * OSDHEIGHT);
-
- if (cDxr3Interface::Instance().GetHorizontalSize() < 470)
- {
- for (y = 0; y < OSDHEIGHT; y++)
- for (s = 0, d = 0; d < OSDWIDTH; s++, d += 2)
- OSD_Screen2[y * OSDWIDTH + s] = buf[y * OSDWIDTH + d];
- }
- else
- {
- for (y = 0; y < OSDHEIGHT; y++)
- {
- memset(dline, 0, 2 * OSDWIDTH + 10);
-
- for (s = 0, d = 0; s < OSDWIDTH; s++, d += 2)
- {
- // stretch line to double width to 1440
- dline[d] = buf[y * OSDWIDTH + s];
- }
-
- for (d = 1; d < (2 * OSDWIDTH); d += 2)
- {
- dline[d] = dline[d + 1];
- }
-
- for (s = 0, x = 0; x < OSDWIDTH2; x++, s += 3)
- {
- // now take every third pixel (1440/3=480)
- OSD_Screen2[y * OSDWIDTH + x] = dline[s];
- }
- }
- }
-}
-#endif /* not USE_XINE_SCALER */
-
-// ==================================
-// taken from mplayer (spuenc.c)
-void cSPUEncoder::encode_put_nibble(encodedata* ed, u_char nibble)
-{
- if (ed->nibblewaiting)
- {
- ed->data[ed->count++] |= nibble;
- ed->nibblewaiting = 0;
- }
- else
- {
- ed->data[ed->count] = nibble << 4;
- ed->nibblewaiting = 1;
- }
-}
-
-// ==================================
-// taken from mplayer (spuenc.c)
-void cSPUEncoder::encode_pixels(encodedata* ed, int color, int number)
-{
- if (number > 3)
- {
- if (number > 15)
- {
- encode_put_nibble(ed, 0);
- if (number > 63)
- {
- encode_put_nibble(ed, (number & 0xC0) >> 6);
- }
- }
- encode_put_nibble(ed, (number & 0x3C) >> 2);
- }
- encode_put_nibble(ed, ((number & 0xF) << 2) | color);
-}
-
-// ==================================
-// taken from mplayer (spuenc.c)
-void cSPUEncoder::encode_eol(encodedata* ed)
-{
- if (ed->nibblewaiting)
- {
- ed->count++;
- ed->nibblewaiting = 0;
- }
- ed->data[ed->count++] = 0x00;
- ed->data[ed->count++] = 0x00;
-}
-
-// ==================================
-// taken from mplayer (spuenc.c)
-void cSPUEncoder::encode_do_row(encodedata* ed, pixbuf* pb, int row)
-{
- int i = 0;
- u_char* pix = pb->pixels + row * pb->x;
- int color = *pix & 0x03;
- int n = 0; /* the number of pixels of this color */
-
- while (i++ < pb->x)
- {
- /* FIXME: watch this space for EOL */
- if ((*pix & 0x03) != color || n == 255)
- {
- encode_pixels(ed, color, n);
- color = *pix & 0x03;
- n = 1;
- }
- else
- {
- n++;
- }
- pix++;
- }
-
- /* this small optimization: (n>63) can save up to two bytes per line
- * I wonder if this is compatible with all the hardware... */
- if (color == 0 && n > 63)
- {
- encode_eol(ed);
- }
- else
- {
- encode_pixels(ed, color, n);
- }
-
- if (ed->nibblewaiting)
- {
- ed->count++;
- ed->nibblewaiting = 0;
- }
-}
-
-// ==================================
-// taken from mplayer (spuenc.c)
-void cSPUEncoder::encode_do_control(int x, int y, encodedata* ed, pixbuf* pb)
-{
- int controlstart = ed->count;
- int x1;
- int i;
- u_int top, left, bottom, right;
-
- top = y; //this forces the first bit to be visible on a TV
- left = x; //you could actually pass in x/y and do some nice
-
- bottom = top + pb->y - 1;
- right = left + pb->x - 1;
-
- /* start at x0+2*/
- i = controlstart;
-
- x1 = (i); //marker for last command block address
-
- /* display duration... */
- ed->data[i++] = 0x00;
- ed->data[i++] = 0x00; //duration before turn on command occurs (will not be used)
-
- /* x1 */
- ed->data[i++] = x1 >> 8; //since this is the last command block, this
- ed->data[i++] = x1 & 0xff; //points back to itself
-
- /* 0x00: force displaying */
- ed->data[i++] = 0x00;
-
- /* 0x03: palette info */
- ed->data[i++] = 0x03;
- ed->data[i++] = 0x01;
- ed->data[i++] = 0x23;
-
- /* 0x04: transparency info (reversed) */
- ed->data[i++] = 0x04; // SET_CONTR
- ed->data[i++] = 0xFF;
- ed->data[i++] = 0x70;
-
- /* 0x05: coordinates */
- ed->data[i++] = 0x05; // SET_DAREA
- ed->data[i++] = left >> 4;
- ed->data[i++] = ((left & 0xf) << 4) + (right >> 8);
- ed->data[i++] = (right & 0xff);
- ed->data[i++] = top >> 4;
- ed->data[i++] = ((top&0xf) << 4) + (bottom >> 8);
- ed->data[i++] = (bottom&0xff);
-
- /* 0x06: both fields' offsets */
- ed->data[i++] = 0x06; // SET_DSPXA
- ed->data[i++] = 0x00;
- ed->data[i++] = 0x04;
- ed->data[i++] = ed->oddstart >> 8;
- ed->data[i++] = ed->oddstart & 0xff;
-
- int len;
- unsigned char *spudata;
-
- spudata = m_ColorManager->GetSpuData(len);
- //check that the highlight regions data wont overflow the buffer
- if (i + len + 2 > DATASIZE)
- {
- ed->count = DATASIZE + 1;
- return;
- }
-
- for (int si = 0; si < len; si++)
- {
- ed->data[i++] = *(spudata + si);
- }
-
- /* 0xFF: end sequence */
- ed->data[i++]= 0xFF;
- if (! i&1)
- {
- ed->data[i++]= 0xff;
- }
-
- /* x0 */
- ed->data[2] = (controlstart) >> 8;
- ed->data[3] = (controlstart) & 0xff;
-
- /* packet size */
- ed->data[0] = i >> 8;
- ed->data[1] = i & 0xff;
-
- ed->count = i;
-}
-
-// ==================================
-// we _only_ write usefull data
-void cSPUEncoder::CalculateActiveOsdArea()
-{
- // reset
- //m_x0 = m_x1 = m_y0 = m_y1 = 0;
-
- // calculate
- /*
- for (int i = 1; i < 8; i++)
- {
- m_x0 = max(m_x0, m_windows[i].x0);
- m_x1 = max(m_x1, m_windows[i].y0);
- m_y0 = max(m_y0, m_windows[i].x1);
- m_y1 = max(m_y1, m_windows[i].y1);
- }
- */
-}
-
-// Local variables:
-// mode: c++
-// c-file-style: "stroustrup"
-// c-file-offsets: ((inline-open . 0))
-// tab-width: 4;
-// indent-tabs-mode: nil
-// End:
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