mirror of
https://github.com/RPCS3/rpcs3.git
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234 lines
7.2 KiB
C++
234 lines
7.2 KiB
C++
#include "stdafx.h"
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#include "Emu/SysCalls/SysCalls.h"
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#include "Emu/SysCalls/SC_FUNC.h"
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#include "cellGifDec.h"
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#include "stblib/stb_image.h"
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#include "stblib/stb_image.c" // (TODO: Should we put this elsewhere?)
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void cellGifDec_init();
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Module cellGifDec(0xf010, cellGifDec_init);
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int cellGifDecCreate(u32 mainHandle, u32 threadInParam, u32 threadOutParam)
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{
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UNIMPLEMENTED_FUNC(cellGifDec);
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return CELL_OK;
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}
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int cellGifDecExtCreate(u32 mainHandle, u32 threadInParam, u32 threadOutParam, u32 extThreadInParam, u32 extThreadOutParam)
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{
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UNIMPLEMENTED_FUNC(cellGifDec);
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return CELL_OK;
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}
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int cellGifDecOpen(u32 mainHandle, mem32_t subHandle, const mem_ptr_t<CellGifDecSrc> src, mem_ptr_t<CellGifDecOpnInfo> openInfo)
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{
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if (!subHandle.IsGood() || !src.IsGood())
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return CELL_GIFDEC_ERROR_ARG;
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/*
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vfsStream* stream;
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switch(src->srcSelect)
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{
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case CELL_GIFDEC_FILE:
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stream = Emu.GetVFS().Open(src->fileName.GetString(), vfsRead);
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stream->Seek(src->fileOffset);
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src->fileSize;
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break;
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case CELL_GIFDEC_BUFFER:
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if(src->streamSize < 5)
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return CELL_GIFDEC_ERROR_ARG;
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stream = new vfsStreamMemory(src->streamPtr.GetAddr(), src->streamSize);
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break;
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default:
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return CELL_GIFDEC_ERROR_ARG;
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}
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if(!stream->IsOpened())
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{
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return CELL_GIFDEC_ERROR_OPEN_FILE;
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}
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*/
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CellGifDecSubHandle *current_subHandle = new CellGifDecSubHandle;
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// Get file descriptor
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MemoryAllocator<be_t<u32>> fd;
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int ret = cellFsOpen(src->fileName, 0, fd, 0, 0);
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current_subHandle->fd = fd->ToLE();
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if(ret != CELL_OK) return CELL_GIFDEC_ERROR_OPEN_FILE;
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// Get size of file
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MemoryAllocator<CellFsStat> sb; // Alloc a CellFsStat struct
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ret = cellFsFstat(current_subHandle->fd, sb.GetAddr());
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if(ret != CELL_OK) return ret;
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current_subHandle->fileSize = sb->st_size; // Get CellFsStat.st_size
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// From now, every u32 subHandle argument is a pointer to a CellPngDecSubHandle struct.
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subHandle = cellGifDec.GetNewId(current_subHandle);
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return CELL_OK;
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}
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int cellGifDecReadHeader(u32 mainHandle, u32 subHandle, mem_ptr_t<CellGifDecInfo> info)
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{
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if (!info.IsGood())
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return CELL_GIFDEC_ERROR_ARG;
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CellGifDecSubHandle* subHandle_data;
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if(!cellGifDec.CheckId(subHandle, subHandle_data))
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return CELL_GIFDEC_ERROR_FATAL;
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const u32& fd = subHandle_data->fd;
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const u64& fileSize = subHandle_data->fileSize;
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CellGifDecInfo& current_info = subHandle_data->info;
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//Write the header to buffer
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MemoryAllocator<u8> buffer(13); // Alloc buffer for GIF header
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MemoryAllocator<be_t<u64>> pos, nread;
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cellFsLseek(fd, 0, CELL_SEEK_SET, pos);
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cellFsRead(fd, buffer.GetAddr(), buffer.GetSize(), nread);
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if (*buffer.To<be_t<u32>>(0) != 0x47494638 ||
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(*buffer.To<u16>(4) != 0x6139 && *buffer.To<u16>(4) != 0x6137)) // Error: The first 6 bytes are not a valid GIF signature
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{
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return CELL_GIFDEC_ERROR_STREAM_FORMAT; // Surprisingly there is no error code related with headerss
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}
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u8 packedField = buffer[10];
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current_info.SWidth = buffer[6] + buffer[7] * 0x100;
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current_info.SHeight = buffer[8] + buffer[9] * 0x100;
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current_info.SGlobalColorTableFlag = packedField >> 7;
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current_info.SColorResolution = ((packedField >> 4) & 7)+1;
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current_info.SSortFlag = (packedField >> 3) & 1;
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current_info.SSizeOfGlobalColorTable = (packedField & 7)+1;
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current_info.SBackGroundColor = buffer[11];
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current_info.SPixelAspectRatio = buffer[12];
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*info = current_info;
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return CELL_OK;
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}
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int cellGifDecSetParameter(u32 mainHandle, u32 subHandle, const mem_ptr_t<CellGifDecInParam> inParam, mem_ptr_t<CellGifDecOutParam> outParam)
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{
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if (!inParam.IsGood() || !outParam.IsGood())
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return CELL_GIFDEC_ERROR_ARG;
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CellGifDecSubHandle* subHandle_data;
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if(!cellGifDec.CheckId(subHandle, subHandle_data))
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return CELL_GIFDEC_ERROR_FATAL;
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CellGifDecInfo& current_info = subHandle_data->info;
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CellGifDecOutParam& current_outParam = subHandle_data->outParam;
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current_outParam.outputWidthByte = (current_info.SWidth * current_info.SColorResolution * 3)/8;
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current_outParam.outputWidth = current_info.SWidth;
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current_outParam.outputHeight = current_info.SHeight;
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current_outParam.outputColorSpace = inParam->colorSpace;
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switch ((u32)current_outParam.outputColorSpace)
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{
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case CELL_GIFDEC_RGBA:
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case CELL_GIFDEC_ARGB: current_outParam.outputComponents = 4; break;
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default: return CELL_GIFDEC_ERROR_ARG; // Not supported color space
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}
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current_outParam.outputBitDepth = 0; // Unimplemented
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current_outParam.useMemorySpace = 0; // Unimplemented
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*outParam = current_outParam;
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return CELL_OK;
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}
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int cellGifDecDecodeData(u32 mainHandle, u32 subHandle, mem8_ptr_t data, const mem_ptr_t<CellGifDecDataCtrlParam> dataCtrlParam, mem_ptr_t<CellGifDecDataOutInfo> dataOutInfo)
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{
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if (!data.IsGood() || !dataCtrlParam.IsGood() || !dataOutInfo.IsGood())
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return CELL_GIFDEC_ERROR_ARG;
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dataOutInfo->status = CELL_GIFDEC_DEC_STATUS_STOP;
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CellGifDecSubHandle* subHandle_data;
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if(!cellGifDec.CheckId(subHandle, subHandle_data))
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return CELL_GIFDEC_ERROR_FATAL;
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const u32& fd = subHandle_data->fd;
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const u64& fileSize = subHandle_data->fileSize;
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const CellGifDecOutParam& current_outParam = subHandle_data->outParam;
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//Copy the GIF file to a buffer
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MemoryAllocator<unsigned char> gif(fileSize);
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MemoryAllocator<u64> pos, nread;
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cellFsLseek(fd, 0, CELL_SEEK_SET, pos);
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cellFsRead(fd, gif.GetAddr(), gif.GetSize(), nread);
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//Decode GIF file. (TODO: Is there any faster alternative? Can we do it without external libraries?)
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int width, height, actual_components;
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std::shared_ptr<unsigned char> image(stbi_load_from_memory(gif, fileSize, &width, &height, &actual_components, 4));
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if (!image) return CELL_GIFDEC_ERROR_STREAM_FORMAT;
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uint image_size = width * height * 4;
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switch((u32)current_outParam.outputColorSpace)
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{
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case CELL_GIFDEC_RGBA:
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Memory.CopyFromReal(data.GetAddr(), image.get(), image_size);
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break;
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case CELL_GIFDEC_ARGB:
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for(uint i = 0; i < image_size; i+=4)
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{
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data += image.get()[i+3];
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data += image.get()[i+0];
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data += image.get()[i+1];
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data += image.get()[i+2];
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}
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break;
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default:
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return CELL_GIFDEC_ERROR_ARG;
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}
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dataOutInfo->status = CELL_GIFDEC_DEC_STATUS_FINISH;
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dataOutInfo->recordType = CELL_GIFDEC_RECORD_TYPE_IMAGE_DESC;
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return CELL_OK;
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}
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int cellGifDecClose(u32 mainHandle, u32 subHandle)
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{
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CellGifDecSubHandle* subHandle_data;
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if(!cellGifDec.CheckId(subHandle, subHandle_data))
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return CELL_GIFDEC_ERROR_FATAL;
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cellFsClose(subHandle_data->fd);
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Emu.GetIdManager().RemoveID(subHandle);
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return CELL_OK;
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}
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int cellGifDecDestroy(u32 mainHandle)
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{
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UNIMPLEMENTED_FUNC(cellGifDec);
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return CELL_OK;
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}
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void cellGifDec_init()
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{
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cellGifDec.AddFunc(0xb60d42a5, cellGifDecCreate);
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cellGifDec.AddFunc(0x4711cb7f, cellGifDecExtCreate);
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cellGifDec.AddFunc(0x75745079, cellGifDecOpen);
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cellGifDec.AddFunc(0xf0da95de, cellGifDecReadHeader);
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cellGifDec.AddFunc(0x41a90dc4, cellGifDecSetParameter);
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cellGifDec.AddFunc(0x44b1bc61, cellGifDecDecodeData);
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cellGifDec.AddFunc(0x116a7da9, cellGifDecClose);
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cellGifDec.AddFunc(0xe74b2cb1, cellGifDecDestroy);
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/*cellGifDec.AddFunc(0x17fb83c1, cellGifDecExtOpen);
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cellGifDec.AddFunc(0xe53f91f2, cellGifDecExtReadHeader);
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cellGifDec.AddFunc(0x95cae771, cellGifDecExtSetParameter);
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cellGifDec.AddFunc(0x02e7e03e, cellGifDecExtDecodeData);*/
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}
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