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author | aliaspider | 2014-10-28 08:51:20 +0100 |
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committer | aliaspider | 2014-10-28 08:51:20 +0100 |
commit | a9c9cc3e30e50e8d90e355aa7ea84ae846e0c9bc (patch) | |
tree | cef73a9ec18ff128889643727b27b12c096e224e /source/movie.cpp | |
parent | 7c00d00bcec7faf25ecd91c34decab4698ad478c (diff) | |
download | snesemu-a9c9cc3e30e50e8d90e355aa7ea84ae846e0c9bc.tar.gz snesemu-a9c9cc3e30e50e8d90e355aa7ea84ae846e0c9bc.tar.bz2 snesemu-a9c9cc3e30e50e8d90e355aa7ea84ae846e0c9bc.zip |
del some more
Diffstat (limited to 'source/movie.cpp')
-rw-r--r-- | source/movie.cpp | 779 |
1 files changed, 0 insertions, 779 deletions
diff --git a/source/movie.cpp b/source/movie.cpp deleted file mode 100644 index 3ae0934..0000000 --- a/source/movie.cpp +++ /dev/null @@ -1,779 +0,0 @@ -/******************************************************************************* - Snes9x - Portable Super Nintendo Entertainment System (TM) emulator. - - (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and - Jerremy Koot (jkoot@snes9x.com) - - (c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net) - - (c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net), - funkyass (funkyass@spam.shaw.ca), - Joel Yliluoma (http://iki.fi/bisqwit/) - Kris Bleakley (codeviolation@hotmail.com), - Matthew Kendora, - Nach (n-a-c-h@users.sourceforge.net), - Peter Bortas (peter@bortas.org) and - zones (kasumitokoduck@yahoo.com) - - C4 x86 assembler and some C emulation code - (c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com), - _Demo_ (_demo_@zsnes.com), and Nach - - C4 C++ code - (c) Copyright 2003 Brad Jorsch - - DSP-1 emulator code - (c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson, - John Weidman, neviksti (neviksti@hotmail.com), - Kris Bleakley, Andreas Naive - - DSP-2 emulator code - (c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and - Lord Nightmare (lord_nightmare@users.sourceforge.net - - OBC1 emulator code - (c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and - Kris Bleakley - Ported from x86 assembler to C by sanmaiwashi - - SPC7110 and RTC C++ emulator code - (c) Copyright 2002 Matthew Kendora with research by - zsKnight, John Weidman, and Dark Force - - S-DD1 C emulator code - (c) Copyright 2003 Brad Jorsch with research by - Andreas Naive and John Weidman - - S-RTC C emulator code - (c) Copyright 2001 John Weidman - - ST010 C++ emulator code - (c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora - - Super FX x86 assembler emulator code - (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault - - Super FX C emulator code - (c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman - - - SH assembler code partly based on x86 assembler code - (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se) - - Input recording/playback code - (c) Copyright 2004 blip - - Specific ports contains the works of other authors. See headers in - individual files. - - Snes9x homepage: http://www.snes9x.com - - Permission to use, copy, modify and distribute Snes9x in both binary and - source form, for non-commercial purposes, is hereby granted without fee, - providing that this license information and copyright notice appear with - all copies and any derived work. - - This software is provided 'as-is', without any express or implied - warranty. In no event shall the authors be held liable for any damages - arising from the use of this software. - - Snes9x is freeware for PERSONAL USE only. Commercial users should - seek permission of the copyright holders first. Commercial use includes - charging money for Snes9x or software derived from Snes9x. - - The copyright holders request that bug fixes and improvements to the code - should be forwarded to them so everyone can benefit from the modifications - in future versions. - - Super NES and Super Nintendo Entertainment System are trademarks of - Nintendo Co., Limited and its subsidiary companies. -*******************************************************************************/ -#include <string.h> -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#include <ctype.h> -#include <stdlib.h> - -#if defined(__unix) || defined(__linux) || defined(__sun) || defined(__DJGPP) || defined (PSP) -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#endif -#include <time.h> - -#ifdef __WIN32__ -#include <io.h> -#ifndef W_OK -#define W_OK 2 -#endif -#endif - -#include "movie.h" -#include "snes9x.h" -#include "cpuexec.h" -#include "snapshot.h" - -#define SMV_MAGIC 0x1a564d53 // SMV0x1a -#define SMV_VERSION 1 -#define SMV_HEADER_SIZE 32 -#define CONTROLLER_DATA_SIZE 2 -#define BUFFER_GROWTH_SIZE 4096 - -enum MovieState -{ - MOVIE_STATE_NONE=0, - MOVIE_STATE_PLAY, - MOVIE_STATE_RECORD -}; - -static struct SMovie -{ - enum MovieState State; - char Filename [_MAX_PATH]; - FILE* File; - uint32 SaveStateOffset; - uint32 ControllerDataOffset; - uint32 MovieId; - uint32 CurrentFrame; - uint32 MaxFrame; - uint32 RerecordCount; - uint8 ControllersMask; - uint8 Opts; - bool8 ReadOnly; - uint32 BytesPerFrame; - uint8* InputBuffer; - uint32 InputBufferSize; - uint8* InputBufferPtr; - bool8 FrameDisplay; - char FrameDisplayString[256]; -} Movie; - -/* - For illustration: -struct MovieFileHeader -{ - uint32 magic; // SMV0x1a - uint32 version; - uint32 uid; // used to match savestates to a particular movie - uint32 rerecord_count; - uint32 length_frames; - uint8 flags[4]; - uint32 offset_to_savestate; // smvs have an embedded savestate - uint32 offset_to_controller_data; - // after the header comes extra metadata - // sizeof(metadata) = offset_to_savestate - sizeof(MovieFileHeader) -}; -*/ - -static int bytes_per_frame() -{ - int i; - int num_controllers; - - num_controllers=0; - for(i=0; i<5; ++i) - { - if(Movie.ControllersMask & (1<<i)) - { - ++num_controllers; - } - } - - return CONTROLLER_DATA_SIZE*num_controllers; -} - -static inline uint32 Read32(const uint8*& ptr) -{ - uint32 v=(ptr[0] | (ptr[1]<<8) | (ptr[2]<<16) | (ptr[3]<<24)); - ptr += 4; - return v; -} - -static inline uint16 Read16(const uint8*& ptr) /* const version */ -{ - uint16 v=(ptr[0] | (ptr[1]<<8)); - ptr += 2; - return v; -} - -static inline uint16 Read16(uint8*& ptr) /* non-const version */ -{ - uint16 v=(ptr[0] | (ptr[1]<<8)); - ptr += 2; - return v; -} - -static void Write32(uint32 v, uint8*& ptr) -{ - ptr[0]=(uint8)(v&0xff); - ptr[1]=(uint8)((v>>8)&0xff); - ptr[2]=(uint8)((v>>16)&0xff); - ptr[3]=(uint8)((v>>24)&0xff); - ptr += 4; -} - -static void Write16(uint16 v, uint8*& ptr) -{ - ptr[0]=(uint8)(v&0xff); - ptr[1]=(uint8)((v>>8)&0xff); - ptr += 2; -} - -static int read_movie_header(FILE* fd, SMovie* movie) -{ - uint8 header[SMV_HEADER_SIZE]; - if(fread(header, 1, SMV_HEADER_SIZE, fd) != SMV_HEADER_SIZE) - return WRONG_FORMAT; - - const uint8* ptr=header; - uint32 magic=Read32(ptr); - if(magic!=SMV_MAGIC) - return WRONG_FORMAT; - - uint32 version=Read32(ptr); - if(version!=SMV_VERSION) - return WRONG_VERSION; - - movie->MovieId=Read32(ptr); - movie->RerecordCount=Read32(ptr); - movie->MaxFrame=Read32(ptr); - - movie->ControllersMask=*ptr++; - movie->Opts=*ptr++; - ptr += 2; - - movie->SaveStateOffset=Read32(ptr); - movie->ControllerDataOffset=Read32(ptr); - - return SUCCESS; -} - -static void write_movie_header(FILE* fd, const SMovie* movie) -{ - uint8 header[SMV_HEADER_SIZE]; - uint8* ptr=header; - - Write32(SMV_MAGIC, ptr); - Write32(SMV_VERSION, ptr); - Write32(movie->MovieId, ptr); - Write32(movie->RerecordCount, ptr); - Write32(movie->MaxFrame, ptr); - - *ptr++=movie->ControllersMask; - *ptr++=movie->Opts; - *ptr++=0; - *ptr++=0; - - Write32(movie->SaveStateOffset, ptr); - Write32(movie->ControllerDataOffset, ptr); - - fwrite(header, 1, SMV_HEADER_SIZE, fd); -} - -static void flush_movie() -{ - fseek(Movie.File, 0, SEEK_SET); - write_movie_header(Movie.File, &Movie); - fseek(Movie.File, Movie.ControllerDataOffset, SEEK_SET); - fwrite(Movie.InputBuffer, 1, Movie.BytesPerFrame*(Movie.MaxFrame+1), Movie.File); -} - -static void change_state(MovieState new_state) -{ - if(new_state==Movie.State) - return; - - if(Movie.State==MOVIE_STATE_RECORD) - { - flush_movie(); - } - - Movie.State=new_state; - - if(new_state==MOVIE_STATE_NONE) - { - fclose(Movie.File); - Movie.File=NULL; - // FIXME: truncate movie to MaxFrame length - /* truncate() could be used, if it's certain - * that the savestate block is never after - * the controller data block. It is not guaranteed - * by the format. - */ - } -} - -static void reserve_buffer_space(uint32 space_needed) -{ - if(space_needed > Movie.InputBufferSize) - { - uint32 ptr_offset = Movie.InputBufferPtr - Movie.InputBuffer; - uint32 alloc_chunks = space_needed / BUFFER_GROWTH_SIZE; - Movie.InputBufferSize = BUFFER_GROWTH_SIZE * (alloc_chunks+1); - Movie.InputBuffer = (uint8*)realloc(Movie.InputBuffer, Movie.InputBufferSize); - Movie.InputBufferPtr = Movie.InputBuffer + ptr_offset; - } -} - -static void read_frame_controller_data() -{ - int i; - for(i=0; i<5; ++i) - { - if(Movie.ControllersMask & (1<<i)) - { - IPPU.Joypads[i]=(uint32)(Read16(Movie.InputBufferPtr)) | 0x80000000L; - } - else - { - IPPU.Joypads[i]=0; // pretend the controller is disconnected - } - } -} - -static void write_frame_controller_data() -{ - reserve_buffer_space((uint32)((Movie.InputBufferPtr+Movie.BytesPerFrame)-Movie.InputBuffer)); - - int i; - for(i=0; i<5; ++i) - { - if(Movie.ControllersMask & (1<<i)) - { - Write16((uint16)(IPPU.Joypads[i] & 0xffff), Movie.InputBufferPtr); - } - else - { - IPPU.Joypads[i]=0; // pretend the controller is disconnected - } - } -} - -void S9xMovieInit () -{ - memset(&Movie, 0, sizeof(Movie)); - Movie.State = MOVIE_STATE_NONE; -} - -int S9xMovieOpen (const char* filename, bool8 read_only) -{ - return FILE_NOT_FOUND; -#if 0 - FILE* fd; - STREAM stream; - int result; - int fn; - - if(!(fd=fopen(filename, read_only ? "rb" : "rb+"))) - return FILE_NOT_FOUND; - - // stop current movie before opening - change_state(MOVIE_STATE_NONE); - - // read header - if((result=read_movie_header(fd, &Movie))!=SUCCESS) - { - fclose(fd); - return result; - } - - fn=dup(fileno(fd)); - fclose(fd); - - // apparently this lseek is necessary - lseek(fn, Movie.SaveStateOffset, SEEK_SET); - if(!(stream=REOPEN_STREAM(fn, "rb"))) - return FILE_NOT_FOUND; - - if(Movie.Opts & MOVIE_OPT_FROM_RESET) - { - S9xReset(); - // save only SRAM for a from-reset snapshot - result=(READ_STREAM(SRAM, 0x20000, stream) == 0x20000) ? SUCCESS : WRONG_FORMAT; - } - else - { - result=S9xUnfreezeFromStream(stream); - } - CLOSE_STREAM(stream); - - if(result!=SUCCESS) - { - return result; - } - - if(!(fd=fopen(filename, read_only ? "rb" : "rb+"))) - return FILE_NOT_FOUND; - - if(fseek(fd, Movie.ControllerDataOffset, SEEK_SET)) - return WRONG_FORMAT; - - // read controller data - Movie.File=fd; - Movie.BytesPerFrame=bytes_per_frame(); - Movie.InputBufferPtr=Movie.InputBuffer; - uint32 to_read=Movie.BytesPerFrame * (Movie.MaxFrame+1); - reserve_buffer_space(to_read); - fread(Movie.InputBufferPtr, 1, to_read, fd); - - // read "baseline" controller data - read_frame_controller_data(); - - strncpy(Movie.Filename, filename, _MAX_PATH); - Movie.Filename[_MAX_PATH-1]='\0'; - Movie.CurrentFrame=0; - Movie.ReadOnly=read_only; - change_state(MOVIE_STATE_PLAY); - - S9xMessage(S9X_INFO, S9X_MOVIE_INFO, MOVIE_INFO_REPLAY); - return SUCCESS; -#endif -} - -int S9xMovieCreate (const char* filename, uint8 controllers_mask, uint8 opts, const wchar_t* metadata, int metadata_length) -{ - return FILE_NOT_FOUND; -#if 0 - FILE* fd; - STREAM stream; - int fn; - - if(controllers_mask==0) - return WRONG_FORMAT; - - if(!(fd=fopen(filename, "wb"))) - return FILE_NOT_FOUND; - - // stop current movie before opening - change_state(MOVIE_STATE_NONE); - - if(metadata_length>MOVIE_MAX_METADATA) - { - metadata_length=MOVIE_MAX_METADATA; - } - - Movie.MovieId=(uint32)time(NULL); - Movie.RerecordCount=0; - Movie.MaxFrame=0; - Movie.SaveStateOffset=SMV_HEADER_SIZE+(sizeof(uint16)*metadata_length); - Movie.ControllerDataOffset=0; - Movie.ControllersMask=controllers_mask; - Movie.Opts=opts; - if(Settings.PAL) - { - Movie.Opts |= MOVIE_OPT_PAL; - } - else - { - Movie.Opts &= ~MOVIE_OPT_PAL; - } - - write_movie_header(fd, &Movie); - - // convert wchar_t metadata string/array to a uint16 array - if(metadata_length>0) - { - uint8 meta_buf[MOVIE_MAX_METADATA * sizeof(uint16)]; - int i; - - for(i=0; i<metadata_length; ++i) - { - uint16 c=(uint16)metadata[i]; - meta_buf[i+i] =(uint8)(c&0xff); - meta_buf[i+i+1]=(uint8)((c>>8)&0xff); - } - - fwrite(meta_buf, sizeof(uint16), metadata_length, fd); - } - - // write snapshot - fn=dup(fileno(fd)); - fclose(fd); - - // lseek(fn, Movie.SaveStateOffset, SEEK_SET); - if(!(stream=REOPEN_STREAM(fn, "ab"))) - return FILE_NOT_FOUND; - - if(opts & MOVIE_OPT_FROM_RESET) - { - S9xReset(); - // save only SRAM for a from-reset snapshot - WRITE_STREAM(SRAM, 0x20000, stream); - } - else - { - S9xFreezeToStream(stream); - } - CLOSE_STREAM(stream); - - if(!(fd=fopen(filename, "rb+"))) - return FILE_NOT_FOUND; - - fseek(fd, 0, SEEK_END); - Movie.ControllerDataOffset=(uint32)ftell(fd); - - // write "baseline" controller data - Movie.File=fd; - Movie.BytesPerFrame=bytes_per_frame(); - Movie.InputBufferPtr=Movie.InputBuffer; - write_frame_controller_data(); - - strncpy(Movie.Filename, filename, _MAX_PATH); - Movie.Filename[_MAX_PATH-1]='\0'; - Movie.CurrentFrame=0; - Movie.ReadOnly=false; - change_state(MOVIE_STATE_RECORD); - - S9xMessage(S9X_INFO, S9X_MOVIE_INFO, MOVIE_INFO_RECORD); - return SUCCESS; -#endif -} - -void S9xMovieUpdate () -{ - switch(Movie.State) - { - case MOVIE_STATE_PLAY: - if(Movie.CurrentFrame>=Movie.MaxFrame) - { - change_state(MOVIE_STATE_NONE); - S9xMessage(S9X_INFO, S9X_MOVIE_INFO, MOVIE_INFO_END); - return; - } - else - { - if(Movie.FrameDisplay) - { - sprintf(Movie.FrameDisplayString, "Playing frame: %d", Movie.CurrentFrame); - S9xMessage (S9X_INFO, S9X_MOVIE_INFO, Movie.FrameDisplayString); - } - read_frame_controller_data(); - ++Movie.CurrentFrame; - } - break; - - case MOVIE_STATE_RECORD: - { - if(Movie.FrameDisplay) - { - sprintf(Movie.FrameDisplayString, "Recording frame: %d", Movie.CurrentFrame); - S9xMessage (S9X_INFO, S9X_MOVIE_INFO, Movie.FrameDisplayString); - } - write_frame_controller_data(); - ++Movie.CurrentFrame; - Movie.MaxFrame=Movie.CurrentFrame; - fwrite((Movie.InputBufferPtr - Movie.BytesPerFrame), 1, Movie.BytesPerFrame, Movie.File); - } - break; - - default: - break; - } -} - -void S9xMovieStop (bool8 suppress_message) -{ - if(Movie.State!=MOVIE_STATE_NONE) - { - change_state(MOVIE_STATE_NONE); - - if(!suppress_message) - S9xMessage(S9X_INFO, S9X_MOVIE_INFO, MOVIE_INFO_STOP); - } -} - -int S9xMovieGetInfo (const char* filename, struct MovieInfo* info) -{ - FILE* fd; - int result; - SMovie local_movie; - int metadata_length; - - memset(info, 0, sizeof(*info)); - if(!(fd=fopen(filename, "rb"))) - return FILE_NOT_FOUND; - - if((result=(read_movie_header(fd, &local_movie)))!=SUCCESS) - return result; - - info->TimeCreated=(time_t)local_movie.MovieId; - info->LengthFrames=local_movie.MaxFrame; - info->RerecordCount=local_movie.RerecordCount; - info->Opts=local_movie.Opts; - info->ControllersMask=local_movie.ControllersMask; - - if(local_movie.SaveStateOffset > SMV_HEADER_SIZE) - { - uint8 meta_buf[MOVIE_MAX_METADATA * sizeof(uint16)]; - int i; - - metadata_length=((int)local_movie.SaveStateOffset-SMV_HEADER_SIZE)/sizeof(uint16); - metadata_length=(metadata_length>=MOVIE_MAX_METADATA) ? MOVIE_MAX_METADATA-1 : metadata_length; - metadata_length=(int)fread(meta_buf, sizeof(uint16), metadata_length, fd); - - for(i=0; i<metadata_length; ++i) - { - uint16 c=meta_buf[i+i] | (meta_buf[i+i+1] << 8); - info->Metadata[i]=(wchar_t)c; - } - info->Metadata[i]='\0'; - } - else - { - info->Metadata[0]='\0'; - } - - fclose(fd); - - if(access(filename, W_OK)) - info->ReadOnly=true; - - return SUCCESS; -} - -bool8 S9xMovieActive () -{ - return (Movie.State!=MOVIE_STATE_NONE); -} - -bool8 S9xMovieReadOnly () -{ - if(!S9xMovieActive()) - return false; - - return Movie.ReadOnly; -} - -uint32 S9xMovieGetId () -{ - if(!S9xMovieActive()) - return 0; - - return Movie.MovieId; -} - -uint32 S9xMovieGetLength () -{ - if(!S9xMovieActive()) - return 0; - - return Movie.MaxFrame; -} - -uint32 S9xMovieGetFrameCounter () -{ - if(!S9xMovieActive()) - return 0; - - return Movie.CurrentFrame; -} - -void S9xMovieToggleFrameDisplay () -{ - Movie.FrameDisplay = !Movie.FrameDisplay; - if(!Movie.FrameDisplay) - { - GFX.InfoStringTimeout = 1; - } -} - -void S9xMovieFreeze (uint8** buf, uint32* size) -{ - // sanity check - if(!S9xMovieActive()) - { - return; - } - - *buf = NULL; - *size = 0; - - // compute size needed for the buffer - uint32 size_needed = 4*3; // room for MovieId, CurrentFrame, and MaxFrame - size_needed += (uint32)(Movie.BytesPerFrame * (Movie.MaxFrame+1)); - *buf=new uint8[size_needed]; - *size=size_needed; - - uint8* ptr = *buf; - if(!ptr) - { - return; - } - - Write32(Movie.MovieId, ptr); - Write32(Movie.CurrentFrame, ptr); - Write32(Movie.MaxFrame, ptr); - - memcpy(ptr, Movie.InputBuffer, Movie.BytesPerFrame * (Movie.MaxFrame+1)); -} - -bool8 S9xMovieUnfreeze (const uint8* buf, uint32 size) -{ - // sanity check - if(!S9xMovieActive()) - { - return false; - } - - const uint8* ptr = buf; - if(size < 4*3) - { - return false; - } - - uint32 movie_id = Read32(ptr); - uint32 current_frame = Read32(ptr); - uint32 max_frame = Read32(ptr); - uint32 space_needed = (Movie.BytesPerFrame * (max_frame+1)); - - if(movie_id != Movie.MovieId || - current_frame > max_frame || - space_needed > size) - { - return false; - } - - if(!Movie.ReadOnly) - { - // here, we are going to take the input data from the savestate - // and make it the input data for the current movie, then continue - // writing new input data at the currentframe pointer - change_state(MOVIE_STATE_RECORD); - S9xMessage(S9X_INFO, S9X_MOVIE_INFO, MOVIE_INFO_RERECORD); - - Movie.CurrentFrame = current_frame; - Movie.MaxFrame = max_frame; - ++Movie.RerecordCount; - - reserve_buffer_space(space_needed); - memcpy(Movie.InputBuffer, ptr, space_needed); - flush_movie(); - fseek(Movie.File, Movie.ControllerDataOffset+(Movie.BytesPerFrame * (Movie.CurrentFrame+1)), SEEK_SET); - } - else - { - // here, we are going to keep the input data from the movie file - // and simply rewind to the currentframe pointer - // this will cause a desync if the savestate is not in sync - // with the on-disk recording data, but it's easily solved - // by loading another savestate or playing the movie from the beginning - - // and older savestate might have a currentframe pointer past - // the end of the input data, so check for that here - if(current_frame > Movie.MaxFrame) - { - return false; - } - - change_state(MOVIE_STATE_PLAY); - S9xMessage(S9X_INFO, S9X_MOVIE_INFO, MOVIE_INFO_REWIND); - - Movie.CurrentFrame = current_frame; - } - - Movie.InputBufferPtr = Movie.InputBuffer + (Movie.BytesPerFrame * Movie.CurrentFrame); - read_frame_controller_data(); - - return true; -} |