diff options
| -rw-r--r-- | spuencoder.c | 38 | ||||
| -rw-r--r-- | spuencoder.h | 8 |
2 files changed, 45 insertions, 1 deletions
diff --git a/spuencoder.c b/spuencoder.c index d61b462..7295e62 100644 --- a/spuencoder.c +++ b/spuencoder.c @@ -26,6 +26,7 @@ #include "spuencoder.h" #include "dxr3interface.h" +#include "dxr3tools.h" static const uint8_t CMD_FORCE_DISPLAYING = 0x00; static const uint8_t CMD_STOP_DISPLAYING = 0x02; @@ -66,8 +67,20 @@ void cSpuEncoder::clearOsd() cDxr3Interface::instance()->WriteSpu((uchar *)&d, 10); } -void cSpuEncoder::writeNibble(uint8_t val) { +void cSpuEncoder::encode(cBitmap *bmap, int top, int left) +{ + // store internaly + bitmap = bmap; + + // prepare datastructures + memset(&spu, 0, sizeof(spu)); + + // generate and upload color palette + generateColorPalette(); +} +void cSpuEncoder::writeNibble(uint8_t val) +{ // look if we have an overflow if (written == MAX_SPU_DATA) { throw "overflow"; @@ -80,3 +93,26 @@ void cSpuEncoder::writeNibble(uint8_t val) { nholder = (val << 4); } } + +void cSpuEncoder::generateColorPalette() +{ + // we need to convert the color we get from + // vdr, because it is stored in AARRGGBB + // and we need AA and RRGGBB separated to + // be able to convert color to yuv and set + // wanted opacity vales later on. + + int num; + const tColor *colors = bitmap->Colors(num); + + memset(&palcolors, 0, sizeof(palcolors)); + + for (int i = 0; i < num; i++) { + // separate AA and RRGGBB values + opacity[i] = (colors[i] & 0xff000000) >> 24; + palcolors[i] = Tools::Rgb2YCrCb(colors[i] & 0x00ffffff); + } + + // upload color palette + cDxr3Interface::instance()->SetPalette(palcolors); +} diff --git a/spuencoder.h b/spuencoder.h index 61cda17..3ee8fa1 100644 --- a/spuencoder.h +++ b/spuencoder.h @@ -28,21 +28,29 @@ #define SPUENCODER_H #include <stdint.h> +#include <vdr/osd.h> static const int MAX_SPU_DATA = 65220; // TODO vaidate this value class cSpuEncoder { public: void clearOsd(); + void encode(cBitmap *bmap, int top, int left); private: + cBitmap *bitmap; + uint8_t spu[MAX_SPU_DATA]; uint8_t *p; // pointer to current spu data uint8_t nholder; // nibble holder uint32_t ncnt; // nibble count int32_t written; // how much data are written + tColor opacity[16]; + tColor palcolors[16]; + void writeNibble(uint8_t val); + void generateColorPalette(); }; #endif // SPUENCODER_H |