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Diffstat (limited to 'src/tools/chdman.cpp')
-rw-r--r-- | src/tools/chdman.cpp | 2958 |
1 files changed, 2958 insertions, 0 deletions
diff --git a/src/tools/chdman.cpp b/src/tools/chdman.cpp new file mode 100644 index 00000000000..3ea0a31f752 --- /dev/null +++ b/src/tools/chdman.cpp @@ -0,0 +1,2958 @@ +// license:BSD-3-Clause +// copyright-holders:Aaron Giles +/*************************************************************************** + + CHD compression frontend + +****************************************************************************/ + +#include <assert.h> + +#include "osdcore.h" +#include "corefile.h" +#include "chdcd.h" +#include "aviio.h" +#include "avhuff.h" +#include "bitmap.h" +#include "md5.h" +#include "sha1.h" +#include "vbiparse.h" +#include "tagmap.h" +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +#include <time.h> +#include <ctype.h> +#include <new> + + + +//************************************************************************** +// CONSTANTS & DEFINES +//************************************************************************** + +// default hard disk sector size +const UINT32 IDE_SECTOR_SIZE = 512; + +// temporary input buffer size +const UINT32 TEMP_BUFFER_SIZE = 32 * 1024 * 1024; + +// modes +const int MODE_NORMAL = 0; +const int MODE_CUEBIN = 1; +const int MODE_GDI = 2; + +// command modifier +#define REQUIRED "~" + +// command strings +#define COMMAND_HELP "help" +#define COMMAND_INFO "info" +#define COMMAND_VERIFY "verify" +#define COMMAND_CREATE_RAW "createraw" +#define COMMAND_CREATE_HD "createhd" +#define COMMAND_CREATE_CD "createcd" +#define COMMAND_CREATE_LD "createld" +#define COMMAND_EXTRACT_RAW "extractraw" +#define COMMAND_EXTRACT_HD "extracthd" +#define COMMAND_EXTRACT_CD "extractcd" +#define COMMAND_EXTRACT_LD "extractld" +#define COMMAND_COPY "copy" +#define COMMAND_ADD_METADATA "addmeta" +#define COMMAND_DEL_METADATA "delmeta" +#define COMMAND_DUMP_METADATA "dumpmeta" + +// option strings +#define OPTION_INPUT "input" +#define OPTION_OUTPUT "output" +#define OPTION_OUTPUT_BIN "outputbin" +#define OPTION_OUTPUT_FORCE "force" +#define OPTION_INPUT_START_BYTE "inputstartbyte" +#define OPTION_INPUT_START_HUNK "inputstarthunk" +#define OPTION_INPUT_START_FRAME "inputstartframe" +#define OPTION_INPUT_LENGTH_BYTES "inputbytes" +#define OPTION_INPUT_LENGTH_HUNKS "inputhunks" +#define OPTION_INPUT_LENGTH_FRAMES "inputframes" +#define OPTION_HUNK_SIZE "hunksize" +#define OPTION_UNIT_SIZE "unitsize" +#define OPTION_COMPRESSION "compression" +#define OPTION_INPUT_PARENT "inputparent" +#define OPTION_OUTPUT_PARENT "outputparent" +#define OPTION_IDENT "ident" +#define OPTION_CHS "chs" +#define OPTION_SECTOR_SIZE "sectorsize" +#define OPTION_TAG "tag" +#define OPTION_INDEX "index" +#define OPTION_VALUE_TEXT "valuetext" +#define OPTION_VALUE_FILE "valuefile" +#define OPTION_NO_CHECKSUM "nochecksum" +#define OPTION_VERBOSE "verbose" +#define OPTION_FIX "fix" +#define OPTION_NUMPROCESSORS "numprocessors" +#define OPTION_SIZE "size" + + +//************************************************************************** +// FUNCTION PROTOTYPES +//************************************************************************** + +typedef tagmap_t<std::string *> parameters_t; + +static void report_error(int error, const char *format, ...) ATTR_PRINTF(2,3); +static void do_info(parameters_t ¶ms); +static void do_verify(parameters_t ¶ms); +static void do_create_raw(parameters_t ¶ms); +static void do_create_hd(parameters_t ¶ms); +static void do_create_cd(parameters_t ¶ms); +static void do_create_ld(parameters_t ¶ms); +static void do_copy(parameters_t ¶ms); +static void do_extract_raw(parameters_t ¶ms); +static void do_extract_cd(parameters_t ¶ms); +static void do_extract_ld(parameters_t ¶ms); +static void do_add_metadata(parameters_t ¶ms); +static void do_del_metadata(parameters_t ¶ms); +static void do_dump_metadata(parameters_t ¶ms); + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> option_description + +struct option_description +{ + const char *name; + const char *shortname; + bool parameter; + const char *description; +}; + + +// ======================> command_description + +struct command_description +{ + const char *name; + void (*handler)(parameters_t &); + const char *description; + const char *valid_options[16]; +}; + + +// ======================> avi_info + +struct avi_info +{ + UINT32 fps_times_1million; + UINT32 width; + UINT32 height; + bool interlaced; + UINT32 channels; + UINT32 rate; + UINT32 max_samples_per_frame; + UINT32 bytes_per_frame; +}; + + +// ======================> metadata_index_info + +struct metadata_index_info +{ + chd_metadata_tag tag; + UINT32 index; +}; + + +// ======================> fatal_error + +class fatal_error : public std::exception +{ +public: + fatal_error(int error) + : m_error(error) { } + + int error() const { return m_error; } + +private: + int m_error; +}; + + +// ======================> chd_rawfile_compressor + +class chd_rawfile_compressor : public chd_file_compressor +{ +public: + // construction/destruction + chd_rawfile_compressor(core_file *file, UINT64 offset = 0, UINT64 maxoffset = ~0) + : m_file(file), + m_offset(offset), + m_maxoffset(MIN(maxoffset, (file != NULL) ? core_fsize(file) : 0)) { } + + // read interface + virtual UINT32 read_data(void *dest, UINT64 offset, UINT32 length) + { + offset += m_offset; + if (offset >= m_maxoffset) + return 0; + if (offset + length > m_maxoffset) + length = m_maxoffset - offset; + core_fseek(m_file, offset, SEEK_SET); + return core_fread(m_file, dest, length); + } + +private: + // internal state + core_file * m_file; + UINT64 m_offset; + UINT64 m_maxoffset; +}; + + +// ======================> chd_chdfile_compressor + +class chd_chdfile_compressor : public chd_file_compressor +{ +public: + // construction/destruction + chd_chdfile_compressor(chd_file &file, UINT64 offset = 0, UINT64 maxoffset = ~0) + : m_toc(NULL), + m_file(file), + m_offset(offset), + m_maxoffset(MIN(maxoffset, file.logical_bytes())) { } + + // read interface + virtual UINT32 read_data(void *dest, UINT64 offset, UINT32 length) + { + offset += m_offset; + if (offset >= m_maxoffset) + return 0; + if (offset + length > m_maxoffset) + length = m_maxoffset - offset; + chd_error err = m_file.read_bytes(offset, dest, length); + if (err != CHDERR_NONE) + throw err; + + // if we have TOC - detect audio sectors and swap data + if (m_toc) + { + assert(offset % CD_FRAME_SIZE == 0); + assert(length % CD_FRAME_SIZE == 0); + + int startlba = offset / CD_FRAME_SIZE; + int lenlba = length / CD_FRAME_SIZE; + UINT8 *_dest = reinterpret_cast<UINT8 *>(dest); + + for (int chdlba = 0; chdlba < lenlba; chdlba++) + { + // find current frame's track number + int tracknum = m_toc->numtrks; + for (int track = 0; track < m_toc->numtrks; track++) + if ((chdlba + startlba) < m_toc->tracks[track + 1].chdframeofs) + { + tracknum = track; + break; + } + // is it audio ? + if (m_toc->tracks[tracknum].trktype != CD_TRACK_AUDIO) + continue; + // byteswap if yes + int dataoffset = chdlba * CD_FRAME_SIZE; + for (UINT32 swapindex = dataoffset; swapindex < (dataoffset + CD_MAX_SECTOR_DATA); swapindex += 2) + { + UINT8 temp = _dest[swapindex]; + _dest[swapindex] = _dest[swapindex + 1]; + _dest[swapindex + 1] = temp; + } + } + } + + return length; + } + +const cdrom_toc * m_toc; + +private: + // internal state + chd_file & m_file; + UINT64 m_offset; + UINT64 m_maxoffset; +}; + + +// ======================> chd_cd_compressor + +class chd_cd_compressor : public chd_file_compressor +{ +public: + // construction/destruction + chd_cd_compressor(cdrom_toc &toc, chdcd_track_input_info &info) + : m_file(NULL), + m_toc(toc), + m_info(info) { } + + ~chd_cd_compressor() + { + if (m_file != NULL) + core_fclose(m_file); + } + + // read interface + virtual UINT32 read_data(void *_dest, UINT64 offset, UINT32 length) + { + // verify assumptions made below + assert(offset % CD_FRAME_SIZE == 0); + assert(length % CD_FRAME_SIZE == 0); + + // initialize destination to 0 so that unused areas are filled + UINT8 *dest = reinterpret_cast<UINT8 *>(_dest); + memset(dest, 0, length); + + // find out which track we're starting in + UINT64 startoffs = 0; + UINT32 length_remaining = length; + for (int tracknum = 0; tracknum < m_toc.numtrks; tracknum++) + { + const cdrom_track_info &trackinfo = m_toc.tracks[tracknum]; + UINT64 endoffs = startoffs + (trackinfo.frames + trackinfo.extraframes) * CD_FRAME_SIZE; + if (offset >= startoffs && offset < endoffs) + { + // if we don't already have this file open, open it now + if (m_file == NULL || m_lastfile.compare(m_info.track[tracknum].fname)!=0) + { + if (m_file != NULL) + core_fclose(m_file); + m_lastfile = m_info.track[tracknum].fname; + file_error filerr = core_fopen(m_lastfile.c_str(), OPEN_FLAG_READ, &m_file); + if (filerr != FILERR_NONE) + report_error(1, "Error opening input file (%s)'", m_lastfile.c_str()); + } + + // iterate over frames + UINT32 bytesperframe = trackinfo.datasize + trackinfo.subsize; + UINT64 src_track_start = m_info.track[tracknum].offset; + UINT64 src_track_end = src_track_start + bytesperframe * trackinfo.frames; + UINT64 pad_track_start = src_track_end - (m_toc.tracks[tracknum].padframes * bytesperframe); + while (length_remaining != 0 && offset < endoffs) + { + // determine start of current frame + UINT64 src_frame_start = src_track_start + ((offset - startoffs) / CD_FRAME_SIZE) * bytesperframe; + if (src_frame_start < src_track_end) + { + // read it in, or pad if we're into the padframes + if (src_frame_start >= pad_track_start) + { + memset(dest, 0, bytesperframe); + } + else + { + core_fseek(m_file, src_frame_start, SEEK_SET); + UINT32 count = core_fread(m_file, dest, bytesperframe); + if (count != bytesperframe) + report_error(1, "Error reading input file (%s)'", m_lastfile.c_str()); + } + + // swap if appropriate + if (m_info.track[tracknum].swap) + for (UINT32 swapindex = 0; swapindex < 2352; swapindex += 2) + { + UINT8 temp = dest[swapindex]; + dest[swapindex] = dest[swapindex + 1]; + dest[swapindex + 1] = temp; + } + } + + // advance + offset += CD_FRAME_SIZE; + dest += CD_FRAME_SIZE; + length_remaining -= CD_FRAME_SIZE; + if (length_remaining == 0) + break; + } + } + + // next track starts after the previous one + startoffs = endoffs; + } + return length - length_remaining; + } + +private: + // internal state + std::string m_lastfile; + core_file * m_file; + cdrom_toc & m_toc; + chdcd_track_input_info & m_info; +}; + + +// ======================> chd_avi_compressor + +class chd_avi_compressor : public chd_file_compressor +{ +public: + // construction/destruction + chd_avi_compressor(avi_file &file, avi_info &info, UINT32 first_frame, UINT32 num_frames) + : m_file(file), + m_info(info), + m_bitmap(info.width, info.height * (info.interlaced ? 2 : 1)), + m_start_frame(first_frame), + m_frame_count(num_frames), + m_ldframedata(num_frames * VBI_PACKED_BYTES), + m_rawdata(info.bytes_per_frame) { } + + // getters + const dynamic_buffer &ldframedata() const { return m_ldframedata; } + + // read interface + virtual UINT32 read_data(void *_dest, UINT64 offset, UINT32 length) + { + UINT8 *dest = reinterpret_cast<UINT8 *>(_dest); + UINT8 interlace_factor = m_info.interlaced ? 2 : 1; + UINT32 length_remaining = length; + + // iterate over frames + INT32 start_frame = offset / m_info.bytes_per_frame; + INT32 end_frame = (offset + length - 1) / m_info.bytes_per_frame; + for (INT32 framenum = start_frame; framenum <= end_frame; framenum++) + if (framenum < m_frame_count) + { + // determine effective frame number and first/last samples + INT32 effframe = m_start_frame + framenum; + UINT32 first_sample = (UINT64(m_info.rate) * UINT64(effframe) * UINT64(1000000) + m_info.fps_times_1million - 1) / UINT64(m_info.fps_times_1million); + UINT32 samples = (UINT64(m_info.rate) * UINT64(effframe + 1) * UINT64(1000000) + m_info.fps_times_1million - 1) / UINT64(m_info.fps_times_1million) - first_sample; + + // loop over channels and read the samples + int channels = MIN(m_info.channels, ARRAY_LENGTH(m_audio)); + INT16 *samplesptr[ARRAY_LENGTH(m_audio)]; + for (int chnum = 0; chnum < channels; chnum++) + { + // read the sound samples + m_audio[chnum].resize(samples); + samplesptr[chnum] = &m_audio[chnum][0]; + avi_error avierr = avi_read_sound_samples(&m_file, chnum, first_sample, samples, &m_audio[chnum][0]); + if (avierr != AVIERR_NONE) + report_error(1, "Error reading audio samples %d-%d from channel %d: %s", first_sample, samples, chnum, avi_error_string(avierr)); + } + + // read the video data + avi_error avierr = avi_read_video_frame(&m_file, effframe / interlace_factor, m_bitmap); + if (avierr != AVIERR_NONE) + report_error(1, "Error reading AVI frame %d: %s", effframe / interlace_factor, avi_error_string(avierr)); + bitmap_yuy16 subbitmap(&m_bitmap.pix(effframe % interlace_factor), m_bitmap.width(), m_bitmap.height() / interlace_factor, m_bitmap.rowpixels() * interlace_factor); + + // update metadata for this frame + if (m_info.height == 524/2 || m_info.height == 624/2) + { + vbi_metadata vbi; + vbi_parse_all(&subbitmap.pix16(0), subbitmap.rowpixels(), subbitmap.width(), 8, &vbi); + vbi_metadata_pack(&m_ldframedata[framenum * VBI_PACKED_BYTES], framenum, &vbi); + } + + // assemble the data into final form + avhuff_error averr = avhuff_encoder::assemble_data(m_rawdata, subbitmap, channels, samples, samplesptr); + if (averr != AVHERR_NONE) + report_error(1, "Error assembling data for frame %d", framenum); + if (m_rawdata.size() < m_info.bytes_per_frame) + { + int old_size = m_rawdata.size(); + m_rawdata.resize(m_info.bytes_per_frame); + memset(&m_rawdata[old_size], 0, m_info.bytes_per_frame - old_size); + } + + // copy to the destination + UINT64 start_offset = UINT64(framenum) * UINT64(m_info.bytes_per_frame); + UINT64 end_offset = start_offset + m_info.bytes_per_frame; + UINT32 bytes_to_copy = MIN(length_remaining, end_offset - offset); + memcpy(dest, &m_rawdata[offset - start_offset], bytes_to_copy); + + // advance + offset += bytes_to_copy; + dest += bytes_to_copy; + length_remaining -= bytes_to_copy; + } + + return length; + } + +private: + // internal state + avi_file & m_file; + avi_info & m_info; + bitmap_yuy16 m_bitmap; + UINT32 m_start_frame; + UINT32 m_frame_count; + std::vector<INT16> m_audio[8]; + dynamic_buffer m_ldframedata; + dynamic_buffer m_rawdata; +}; + + + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +// timing +static clock_t lastprogress = 0; + + +// default compressors +static const chd_codec_type s_default_raw_compression[4] = { CHD_CODEC_LZMA, CHD_CODEC_ZLIB, CHD_CODEC_HUFFMAN, CHD_CODEC_FLAC }; +static const chd_codec_type s_default_hd_compression[4] = { CHD_CODEC_LZMA, CHD_CODEC_ZLIB, CHD_CODEC_HUFFMAN, CHD_CODEC_FLAC }; +static const chd_codec_type s_default_cd_compression[4] = { CHD_CODEC_CD_LZMA, CHD_CODEC_CD_ZLIB, CHD_CODEC_CD_FLAC }; +static const chd_codec_type s_default_ld_compression[4] = { CHD_CODEC_AVHUFF }; + + +// descriptions for each option +static const option_description s_options[] = +{ + { OPTION_INPUT, "i", true, " <filename>: input file name" }, + { OPTION_INPUT_PARENT, "ip", true, " <filename>: parent file name for input CHD" }, + { OPTION_OUTPUT, "o", true, " <filename>: output file name" }, + { OPTION_OUTPUT_BIN, "ob", true, " <filename>: output file name for binary data" }, + { OPTION_OUTPUT_FORCE, "f", false, ": force overwriting an existing file" }, + { OPTION_OUTPUT_PARENT, "op", true, " <filename>: parent file name for output CHD" }, + { OPTION_INPUT_START_BYTE, "isb", true, " <offset>: starting byte offset within the input" }, + { OPTION_INPUT_START_HUNK, "ish", true, " <offset>: starting hunk offset within the input" }, + { OPTION_INPUT_START_FRAME, "isf", true, " <offset>: starting frame within the input" }, + { OPTION_INPUT_LENGTH_BYTES, "ib", true, " <length>: effective length of input in bytes" }, + { OPTION_INPUT_LENGTH_HUNKS, "ih", true, " <length>: effective length of input in hunks" }, + { OPTION_INPUT_LENGTH_FRAMES, "if", true, " <length>: effective length of input in frames" }, + { OPTION_HUNK_SIZE, "hs", true, " <bytes>: size of each hunk, in bytes" }, + { OPTION_UNIT_SIZE, "us", true, " <bytes>: size of each unit, in bytes" }, + { OPTION_COMPRESSION, "c", true, " <none|type1[,type2[,...]]>: which compression codecs to use (up to 4)" }, + { OPTION_IDENT, "id", true, " <filename>: name of ident file to provide CHS information" }, + { OPTION_CHS, "chs", true, " <cylinders,heads,sectors>: specifies CHS values directly" }, + { OPTION_SECTOR_SIZE, "ss", true, " <bytes>: size of each hard disk sector" }, + { OPTION_TAG, "t", true, " <tag>: 4-character tag for metadata" }, + { OPTION_INDEX, "ix", true, " <index>: indexed instance of this metadata tag" }, + { OPTION_VALUE_TEXT, "vt", true, " <text>: text for the metadata" }, + { OPTION_VALUE_FILE, "vf", true, " <file>: file containing data to add" }, + { OPTION_NUMPROCESSORS, "np", true, " <processors>: limit the number of processors to use during compression" }, + { OPTION_NO_CHECKSUM, "nocs", false, ": do not include this metadata information in the overall SHA-1" }, + { OPTION_FIX, "f", false, ": fix the SHA-1 if it is incorrect" }, + { OPTION_VERBOSE, "v", false, ": output additional information" }, + { OPTION_SIZE, "s", true, ": <bytes>: size of the output file" }, +}; + + +// descriptions for each command +static const command_description s_commands[] = +{ + { COMMAND_INFO, do_info, ": displays information about a CHD", + { + REQUIRED OPTION_INPUT, + OPTION_VERBOSE + } + }, + + { COMMAND_VERIFY, do_verify, ": verifies a CHD's integrity", + { + REQUIRED OPTION_INPUT, + OPTION_INPUT_PARENT + } + }, + + { COMMAND_CREATE_RAW, do_create_raw, ": create a raw CHD from the input file", + { + REQUIRED OPTION_OUTPUT, + OPTION_OUTPUT_PARENT, + OPTION_OUTPUT_FORCE, + REQUIRED OPTION_INPUT, + OPTION_INPUT_START_BYTE, + OPTION_INPUT_START_HUNK, + OPTION_INPUT_LENGTH_BYTES, + OPTION_INPUT_LENGTH_HUNKS, + REQUIRED OPTION_HUNK_SIZE, + REQUIRED OPTION_UNIT_SIZE, + OPTION_COMPRESSION, + OPTION_NUMPROCESSORS + } + }, + + { COMMAND_CREATE_HD, do_create_hd, ": create a hard disk CHD from the input file", + { + REQUIRED OPTION_OUTPUT, + OPTION_OUTPUT_PARENT, + OPTION_OUTPUT_FORCE, + OPTION_INPUT, + OPTION_INPUT_START_BYTE, + OPTION_INPUT_START_HUNK, + OPTION_INPUT_LENGTH_BYTES, + OPTION_INPUT_LENGTH_HUNKS, + OPTION_HUNK_SIZE, + OPTION_COMPRESSION, + OPTION_IDENT, + OPTION_CHS, + OPTION_SIZE, + OPTION_SECTOR_SIZE, + OPTION_NUMPROCESSORS + } + }, + + { COMMAND_CREATE_CD, do_create_cd, ": create a CD CHD from the input file", + { + REQUIRED OPTION_OUTPUT, + OPTION_OUTPUT_PARENT, + OPTION_OUTPUT_FORCE, + REQUIRED OPTION_INPUT, + OPTION_HUNK_SIZE, + OPTION_COMPRESSION, + OPTION_NUMPROCESSORS + } + }, + + { COMMAND_CREATE_LD, do_create_ld, ": create a laserdisc CHD from the input file", + { + REQUIRED OPTION_OUTPUT, + OPTION_OUTPUT_PARENT, + OPTION_OUTPUT_FORCE, + REQUIRED OPTION_INPUT, + OPTION_INPUT_START_FRAME, + OPTION_INPUT_LENGTH_FRAMES, + OPTION_HUNK_SIZE, + OPTION_COMPRESSION, + OPTION_NUMPROCESSORS + } + }, + + { COMMAND_EXTRACT_RAW, do_extract_raw, ": extract raw file from a CHD input file", + { + REQUIRED OPTION_OUTPUT, + OPTION_OUTPUT_FORCE, + REQUIRED OPTION_INPUT, + OPTION_INPUT_PARENT, + OPTION_INPUT_START_BYTE, + OPTION_INPUT_START_HUNK, + OPTION_INPUT_LENGTH_BYTES, + OPTION_INPUT_LENGTH_HUNKS + } + }, + + { COMMAND_EXTRACT_HD, do_extract_raw, ": extract raw hard disk file from a CHD input file", + { + REQUIRED OPTION_OUTPUT, + OPTION_OUTPUT_FORCE, + REQUIRED OPTION_INPUT, + OPTION_INPUT_PARENT, + OPTION_INPUT_START_BYTE, + OPTION_INPUT_START_HUNK, + OPTION_INPUT_LENGTH_BYTES, + OPTION_INPUT_LENGTH_HUNKS + } + }, + + { COMMAND_EXTRACT_CD, do_extract_cd, ": extract CD file from a CHD input file", + { + REQUIRED OPTION_OUTPUT, + OPTION_OUTPUT_BIN, + OPTION_OUTPUT_FORCE, + REQUIRED OPTION_INPUT, + OPTION_INPUT_PARENT, + } + }, + + { COMMAND_EXTRACT_LD, do_extract_ld, ": extract laserdisc AVI from a CHD input file", + { + REQUIRED OPTION_OUTPUT, + OPTION_OUTPUT_FORCE, + REQUIRED OPTION_INPUT, + OPTION_INPUT_PARENT, + OPTION_INPUT_START_FRAME, + OPTION_INPUT_LENGTH_FRAMES + } + }, + + { COMMAND_COPY, do_copy, ": copy data from one CHD to another of the same type", + { + REQUIRED OPTION_OUTPUT, + OPTION_OUTPUT_PARENT, + OPTION_OUTPUT_FORCE, + REQUIRED OPTION_INPUT, + OPTION_INPUT_PARENT, + OPTION_INPUT_START_BYTE, + OPTION_INPUT_START_HUNK, + OPTION_INPUT_LENGTH_BYTES, + OPTION_INPUT_LENGTH_HUNKS, + OPTION_HUNK_SIZE, + OPTION_COMPRESSION, + OPTION_NUMPROCESSORS + } + }, + + { COMMAND_ADD_METADATA, do_add_metadata, ": add metadata to the CHD", + { + REQUIRED OPTION_INPUT, + REQUIRED OPTION_TAG, + OPTION_INDEX, + OPTION_VALUE_TEXT, + OPTION_VALUE_FILE, + OPTION_NO_CHECKSUM + } + }, + + { COMMAND_DEL_METADATA, do_del_metadata, ": remove metadata from the CHD", + { + REQUIRED OPTION_INPUT, + REQUIRED OPTION_TAG, + OPTION_INDEX + } + }, + + { COMMAND_DUMP_METADATA, do_dump_metadata, ": dump metadata from the CHD to stdout or to a file", + { + REQUIRED OPTION_INPUT, + OPTION_OUTPUT, + OPTION_OUTPUT_FORCE, + REQUIRED OPTION_TAG, + OPTION_INDEX + } + } +}; + + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +//------------------------------------------------- +// report_error - report an error +//------------------------------------------------- + +static void report_error(int error, const char *format, ...) +{ + // output to stderr + va_list arg; + va_start(arg, format); + vfprintf(stderr, format, arg); + fflush(stderr); + va_end(arg); + fprintf(stderr, "\n"); + + // reset time for progress and return the error + lastprogress = 0; + throw fatal_error(error); +} + + +//------------------------------------------------- +// progress - generic progress callback +//------------------------------------------------- + +static void ATTR_PRINTF(2,3) progress(bool forceit, const char *format, ...) +{ + // skip if it hasn't been long enough + clock_t curtime = clock(); + if (!forceit && lastprogress != 0 && curtime - lastprogress < CLOCKS_PER_SEC / 2) + return; + lastprogress = curtime; + + // standard vfprintf stuff here + va_list arg; + va_start(arg, format); + vfprintf(stderr, format, arg); + fflush(stderr); + va_end(arg); +} + + +//------------------------------------------------- +// print_help - print help for all the commands +//------------------------------------------------- + +static int print_help(const char *argv0, const char *error = NULL) +{ + // print the error message first + if (error != NULL) + fprintf(stderr, "Error: %s\n\n", error); + + // print a summary of each command + printf("Usage:\n"); + for (int cmdnum = 0; cmdnum < ARRAY_LENGTH(s_commands); cmdnum++) + { + const command_description &desc = s_commands[cmdnum]; + printf(" %s %s%s\n", argv0, desc.name, desc.description); + } + printf("\nFor help with any command, run:\n"); + printf(" %s %s <command>\n", argv0, COMMAND_HELP); + return 1; +} + + +//------------------------------------------------- +// print_help - print help for all a specific +// command +//------------------------------------------------- + +static int print_help(const char *argv0, const command_description &desc, const char *error = NULL) +{ + // print the error message first + if (error != NULL) + fprintf(stderr, "Error: %s\n\n", error); + + // print usage for this command + printf("Usage:\n"); + printf(" %s %s [options], where valid options are:\n", argv0, desc.name); + for (int valid = 0; valid < ARRAY_LENGTH(desc.valid_options); valid++) + { + // determine whether we are required + const char *option = desc.valid_options[valid]; + if (option == NULL) + break; + bool required = (option[0] == REQUIRED[0]); + if (required) + option++; + + // find the option + for (int optnum = 0; optnum < ARRAY_LENGTH(s_options); optnum++) + if (strcmp(option, s_options[optnum].name) == 0) + { + const option_description &odesc = s_options[optnum]; + printf(" --%s", odesc.name); + if (odesc.shortname != NULL) + printf(", -%s", odesc.shortname); + printf("%s%s\n", odesc.description, required ? " (required)" : ""); + } + } + return 1; +} + + +//------------------------------------------------- +// big_int_string - create a 64-bit string +//------------------------------------------------- + +const char *big_int_string(std::string &str, UINT64 intvalue) +{ + // 0 is a special case + if (intvalue == 0) + return str.assign("0").c_str(); + + // loop until all chunks are done + str.clear(); + bool first = true; + while (intvalue != 0) + { + int chunk = intvalue % 1000; + intvalue /= 1000; + + std::string insert; + strprintf(insert, (intvalue != 0) ? "%03d" : "%d", chunk); + + if (!first) + str.insert(0, ",").c_str(); + first = false; + str.insert(0, insert); + } + return str.c_str(); +} + + +//------------------------------------------------- +// msf_string_from_frames - output the given +// number of frames in M:S:F format +//------------------------------------------------- + +const char *msf_string_from_frames(std::string &str, UINT32 frames) +{ + strprintf(str, "%02d:%02d:%02d", frames / (75 * 60), (frames / 75) % 60, frames % 75); + return str.c_str(); +} + + +//------------------------------------------------- +// parse_number - parse a number string with an +// optional k/m/g suffix +//------------------------------------------------- + +UINT64 parse_number(const char *string) +{ + // 0-length string is 0 + int length = strlen(string); + if (length == 0) + return 0; + + // scan forward over digits + UINT64 result = 0; + while (isdigit(*string)) + { + result = (result * 10) + (*string - '0'); + string++; + } + + // handle multipliers + if (*string == 'k' || *string == 'K') + result *= 1024; + if (*string == 'm' || *string == 'M') + result *= 1024 * 1024; + if (*string == 'g' || *string == 'G') + result *= 1024 * 1024 * 1024; + + return result; +} + + +//------------------------------------------------- +// guess_chs - given a file and an offset, +// compute a best guess CHS value set +//------------------------------------------------- + +static void guess_chs(std::string *filename, UINT64 filesize, int sectorsize, UINT32 &cylinders, UINT32 &heads, UINT32 §ors, UINT32 &bps) +{ + // if this is a direct physical drive read, handle it specially + if (filename != NULL && osd_get_physical_drive_geometry(filename->c_str(), &cylinders, &heads, §ors, &bps)) + return; + + // if we have no length to work with, we can't guess + if (filesize == 0) + report_error(1, "Can't guess CHS values because there is no input file"); + + // now find a valid value + for (UINT32 totalsectors = filesize / sectorsize; ; totalsectors++) + for (UINT32 cursectors = 63; cursectors > 1; cursectors--) + if (totalsectors % cursectors == 0) + { + UINT32 totalheads = totalsectors / cursectors; + for (UINT32 curheads = 16; curheads > 1; curheads--) + if (totalheads % curheads == 0) + { + cylinders = totalheads / curheads; + heads = curheads; + sectors = cursectors; + return; + } + } + + // ack, it didn't work! + report_error(1, "Can't guess CHS values because no logical combination works!"); +} + + +//------------------------------------------------- +// parse_input_chd_parameters - parse the +// standard set of input CHD parameters +//------------------------------------------------- + +static void parse_input_chd_parameters(const parameters_t ¶ms, chd_file &input_chd, chd_file &input_parent_chd, bool writeable = false) +{ + // process input parent file + std::string *input_chd_parent_str = params.find(OPTION_INPUT_PARENT); + if (input_chd_parent_str != NULL) + { + chd_error err = input_parent_chd.open(input_chd_parent_str->c_str()); + if (err != CHDERR_NONE) + report_error(1, "Error opening parent CHD file (%s): %s", input_chd_parent_str->c_str(), chd_file::error_string(err)); + } + + // process input file + std::string *input_chd_str = params.find(OPTION_INPUT); + if (input_chd_str != NULL) + { + chd_error err = input_chd.open(input_chd_str->c_str(), writeable, input_parent_chd.opened() ? &input_parent_chd : NULL); + if (err != CHDERR_NONE) + report_error(1, "Error opening CHD file (%s): %s", input_chd_str->c_str(), chd_file::error_string(err)); + } +} + + +//------------------------------------------------- +// parse_input_start_end - parse input start/end +// parameters in a standard way +//------------------------------------------------- + +static void parse_input_start_end(const parameters_t ¶ms, UINT64 logical_size, UINT32 hunkbytes, UINT32 framebytes, UINT64 &input_start, UINT64 &input_end) +{ + // process start/end if we were provided an input CHD + input_start = 0; + input_end = logical_size; + + // process input start + std::string *input_start_byte_str = params.find(OPTION_INPUT_START_BYTE); + std::string *input_start_hunk_str = params.find(OPTION_INPUT_START_HUNK); + std::string *input_start_frame_str = params.find(OPTION_INPUT_START_FRAME); + if (input_start_byte_str != NULL) + input_start = parse_number(input_start_byte_str->c_str()); + if (input_start_hunk_str != NULL) + input_start = parse_number(input_start_hunk_str->c_str()) * hunkbytes; + if (input_start_frame_str != NULL) + input_start = parse_number(input_start_frame_str->c_str()) * framebytes; + if (input_start >= input_end) + report_error(1, "Input start offset greater than input file size"); + + // process input length + std::string *input_length_bytes_str = params.find(OPTION_INPUT_LENGTH_BYTES); + std::string *input_length_hunks_str = params.find(OPTION_INPUT_LENGTH_HUNKS); + std::string *input_length_frames_str = params.find(OPTION_INPUT_LENGTH_FRAMES); + UINT64 input_length = input_end; + if (input_length_bytes_str != NULL) + input_length = parse_number(input_length_bytes_str->c_str()); + if (input_length_hunks_str != NULL) + input_length = parse_number(input_length_hunks_str->c_str()) * hunkbytes; + if (input_length_frames_str != NULL) + input_length = parse_number(input_length_frames_str->c_str()) * framebytes; + if (input_start + input_length < input_end) + input_end = input_start + input_length; +} + + +//------------------------------------------------- +// check_existing_output_file - see if an output +// file already exists, and error if it does, +// unless --force is specified +//------------------------------------------------- + +static void check_existing_output_file(const parameters_t ¶ms, const char *filename) +{ + if (params.find(OPTION_OUTPUT_FORCE) == NULL) + { + core_file *file; + file_error filerr = core_fopen(filename, OPEN_FLAG_READ, &file); + if (filerr == FILERR_NONE) + { + core_fclose(file); + report_error(1, "Error: file already exists (%s)\nUse --force (or -f) to force overwriting", filename); + } + } +} + + +//------------------------------------------------- +// parse_output_chd_parameters - parse the +// standard set of output CHD parameters +//------------------------------------------------- + +static std::string *parse_output_chd_parameters(const parameters_t ¶ms, chd_file &output_parent_chd) +{ + // process output parent file + std::string *output_chd_parent_str = params.find(OPTION_OUTPUT_PARENT); + if (output_chd_parent_str != NULL) + { + chd_error err = output_parent_chd.open(output_chd_parent_str->c_str()); + if (err != CHDERR_NONE) + report_error(1, "Error opening parent CHD file (%s): %s", output_chd_parent_str->c_str(), chd_file::error_string(err)); + } + + // process output file + std::string *output_chd_str = params.find(OPTION_OUTPUT); + if (output_chd_str != NULL) + check_existing_output_file(params, output_chd_str->c_str()); + return output_chd_str; +} + + +//------------------------------------------------- +// parse_hunk_size - parse the hunk_size +// parameter in a standard way +//------------------------------------------------- + +static void parse_hunk_size(const parameters_t ¶ms, UINT32 required_granularity, UINT32 &hunk_size) +{ + std::string *hunk_size_str = params.find(OPTION_HUNK_SIZE); + if (hunk_size_str != NULL) + { + hunk_size = parse_number(hunk_size_str->c_str()); + if (hunk_size < 16 || hunk_size > 1024 * 1024) + report_error(1, "Invalid hunk size"); + if (hunk_size % required_granularity != 0) + report_error(1, "Hunk size is not an even multiple of %d", required_granularity); + } +} + + +//------------------------------------------------- +// parse_compression - parse a standard +// compression parameter string +//------------------------------------------------- + +static void parse_compression(const parameters_t ¶ms, chd_codec_type compression[4]) +{ + // see if anything was specified + std::string *compression_str = params.find(OPTION_COMPRESSION); + if (compression_str == NULL) + return; + + // special case: 'none' + if (compression_str->compare("none")==0) + { + compression[0] = compression[1] = compression[2] = compression[3] = CHD_CODEC_NONE; + return; + } + + // iterate through compressors + int index = 0; + for (int start = 0, end = compression_str->find_first_of(','); index < 4; start = end + 1, end = compression_str->find_first_of(',', end + 1)) + { + std::string name(*compression_str, start, (end == -1) ? -1 : end - start); + if (name.length() != 4) + report_error(1, "Invalid compressor '%s' specified", name.c_str()); + chd_codec_type type = CHD_MAKE_TAG(name[0], name[1], name[2], name[3]); + if (!chd_codec_list::codec_exists(type)) + report_error(1, "Invalid compressor '%s' specified", name.c_str()); + compression[index++] = type; + if (end == -1) + break; + } + + for(;index < 4; ++index) + { + compression[index] = CHD_CODEC_NONE; + } +} + + +//------------------------------------------------- +// parse_numprocessors - handle the numprocessors +// command +//------------------------------------------------- + +static void parse_numprocessors(const parameters_t ¶ms) +{ + std::string *numprocessors_str = params.find(OPTION_NUMPROCESSORS); + if (numprocessors_str == NULL) + return; + + int count = atoi(numprocessors_str->c_str()); + if (count > 0) + { + extern int osd_num_processors; + osd_num_processors = count; + } +} + + +//------------------------------------------------- +// compression_string - create a friendly string +// describing a set of compressors +//------------------------------------------------- + +static const char *compression_string(std::string &str, chd_codec_type compression[4]) +{ + // output compression types + str.clear(); + if (compression[0] == CHD_CODEC_NONE) + return str.assign("none").c_str(); + + // iterate over types + for (int index = 0; index < 4; index++) + { + chd_codec_type type = compression[index]; + if (type == CHD_CODEC_NONE) + break; + if (index != 0) + str.append(", "); + str.push_back((type >> 24) & 0xff); + str.push_back((type >> 16) & 0xff); + str.push_back((type >> 8) & 0xff); + str.push_back(type & 0xff); + str.append(" (").append(chd_codec_list::codec_name(type)).append(")"); + } + return str.c_str(); +} + + +//------------------------------------------------- +// compress_common - standard compression loop +//------------------------------------------------- + +static void compress_common(chd_file_compressor &chd) +{ + // begin compressing + chd.compress_begin(); + + // loop until done + double complete, ratio; + chd_error err; + while ((err = chd.compress_continue(complete, ratio)) == CHDERR_WALKING_PARENT || err == CHDERR_COMPRESSING) + if (err == CHDERR_WALKING_PARENT) + progress(false, "Examining parent, %.1f%% complete... \r", 100.0 * complete); + else + progress(false, "Compressing, %.1f%% complete... (ratio=%.1f%%) \r", 100.0 * complete, 100.0 * ratio); + + // handle errors + if (err != CHDERR_NONE) + report_error(1, "Error during compression: %-40s", chd_file::error_string(err)); + + // final progress update + progress(true, "Compression complete ... final ratio = %.1f%% \n", 100.0 * ratio); +} + + +//------------------------------------------------- +// output_track_metadata - output track metadata +// to a CUE file +//------------------------------------------------- + +void output_track_metadata(int mode, core_file *file, int tracknum, const cdrom_track_info &info, const char *filename, UINT32 frameoffs, UINT64 discoffs) +{ + if (mode == MODE_GDI) + { + int mode = 0, size = 2048; + + switch (info.trktype) + { + case CD_TRACK_MODE1: + mode = 0; + size = 2048; + break; + + case CD_TRACK_MODE1_RAW: + mode = 4; + size = 2352; + break; + + case CD_TRACK_MODE2: + mode = 4; + size = 2336; + break; + + case CD_TRACK_MODE2_FORM1: + mode = 4; + size = 2048; + break; + + case CD_TRACK_MODE2_FORM2: + mode = 4; + size = 2324; + break; + + case CD_TRACK_MODE2_FORM_MIX: + mode = 4; + size = 2336; + break; + + case CD_TRACK_MODE2_RAW: + mode = 4; + size = 2352; + break; + + case CD_TRACK_AUDIO: + mode = 0; + size = 2352; + break; + } + bool needquote = strchr(filename, ' ') != NULL; + core_fprintf(file, "%d %d %d %d %s%s%s %" I64FMT "d\n", tracknum+1, frameoffs, mode, size, needquote?"\"":"", filename, needquote?"\"":"", discoffs); + } + else if (mode == MODE_CUEBIN) + { + // first track specifies the file + if (tracknum == 0) + core_fprintf(file, "FILE \"%s\" BINARY\n", filename); + + // determine submode + std::string tempstr; + switch (info.trktype) + { + case CD_TRACK_MODE1: + case CD_TRACK_MODE1_RAW: + strprintf(tempstr,"MODE1/%04d", info.datasize); + break; + + case CD_TRACK_MODE2: + case CD_TRACK_MODE2_FORM1: + case CD_TRACK_MODE2_FORM2: + case CD_TRACK_MODE2_FORM_MIX: + case CD_TRACK_MODE2_RAW: + strprintf(tempstr,"MODE2/%04d", info.datasize); + break; + + case CD_TRACK_AUDIO: + tempstr.assign("AUDIO"); + break; + } + + // output TRACK entry + core_fprintf(file, " TRACK %02d %s\n", tracknum + 1, tempstr.c_str()); + + // output PREGAP tag if pregap sectors are not in the file + if ((info.pregap > 0) && (info.pgdatasize == 0)) + { + core_fprintf(file, " PREGAP %s\n", msf_string_from_frames(tempstr, info.pregap)); + core_fprintf(file, " INDEX 01 %s\n", msf_string_from_frames(tempstr, frameoffs)); + } + else if ((info.pregap > 0) && (info.pgdatasize > 0)) + { + core_fprintf(file, " INDEX 00 %s\n", msf_string_from_frames(tempstr, frameoffs)); + core_fprintf(file, " INDEX 01 %s\n", msf_string_from_frames(tempstr, frameoffs+info.pregap)); + } + + // if no pregap at all, output index 01 only + if (info.pregap == 0) + { + core_fprintf(file, " INDEX 01 %s\n", msf_string_from_frames(tempstr, frameoffs)); + } + + // output POSTGAP + if (info.postgap > 0) + core_fprintf(file, " POSTGAP %s\n", msf_string_from_frames(tempstr, info.postgap)); + } + // non-CUE mode + else if (mode == MODE_NORMAL) + { + // header on the first track + if (tracknum == 0) + core_fprintf(file, "CD_ROM\n\n\n"); + core_fprintf(file, "// Track %d\n", tracknum + 1); + + // write out the track type + std::string modesubmode; + if (info.subtype != CD_SUB_NONE) + strprintf(modesubmode,"%s %s", cdrom_get_type_string(info.trktype), cdrom_get_subtype_string(info.subtype)); + else + strprintf(modesubmode,"%s", cdrom_get_type_string(info.trktype)); + core_fprintf(file, "TRACK %s\n", modesubmode.c_str()); + + // write out the attributes + core_fprintf(file, "NO COPY\n"); + if (info.trktype == CD_TRACK_AUDIO) + { + core_fprintf(file, "NO PRE_EMPHASIS\n"); + core_fprintf(file, "TWO_CHANNEL_AUDIO\n"); + } + + // output pregap + std::string tempstr; + if (info.pregap > 0) + core_fprintf(file, "ZERO %s %s\n", modesubmode.c_str(), msf_string_from_frames(tempstr, info.pregap)); + + // all tracks but the first one have a file offset + if (tracknum > 0) + core_fprintf(file, "DATAFILE \"%s\" #%d %s // length in bytes: %d\n", filename, UINT32(discoffs), msf_string_from_frames(tempstr, info.frames), info.frames * (info.datasize + info.subsize)); + else + core_fprintf(file, "DATAFILE \"%s\" %s // length in bytes: %d\n", filename, msf_string_from_frames(tempstr, info.frames), info.frames * (info.datasize + info.subsize)); + + // tracks with pregaps get a START marker too + if (info.pregap > 0) + core_fprintf(file, "START %s\n", msf_string_from_frames(tempstr, info.pregap)); + + core_fprintf(file, "\n\n"); + } +} + + +//------------------------------------------------- +// do_info - dump the header information from +// a drive image +//------------------------------------------------- + +static void do_info(parameters_t ¶ms) +{ + // parse out input files + chd_file input_parent_chd; + chd_file input_chd; + parse_input_chd_parameters(params, input_chd, input_parent_chd); + + // print filename and version + std::string tempstr; + printf("Input file: %s\n", params.find(OPTION_INPUT)->c_str()); + printf("File Version: %d\n", input_chd.version()); + if (input_chd.version() < 3) + report_error(1, "Unsupported version (%d); use an older chdman to upgrade to version 3 or later", input_chd.version()); + + // output cmpression and size information + chd_codec_type compression[4] = { input_chd.compression(0), input_chd.compression(1), input_chd.compression(2), input_chd.compression(3) }; + printf("Logical size: %s bytes\n", big_int_string(tempstr, input_chd.logical_bytes())); + printf("Hunk Size: %s bytes\n", big_int_string(tempstr, input_chd.hunk_bytes())); + printf("Total Hunks: %s\n", big_int_string(tempstr, input_chd.hunk_count())); + printf("Unit Size: %s bytes\n", big_int_string(tempstr, input_chd.unit_bytes())); + printf("Total Units: %s\n", big_int_string(tempstr, input_chd.unit_count())); + printf("Compression: %s\n", compression_string(tempstr, compression)); + printf("CHD size: %s bytes\n", big_int_string(tempstr, core_fsize(input_chd))); + if (compression[0] != CHD_CODEC_NONE) + printf("Ratio: %.1f%%\n", 100.0 * double(core_fsize(input_chd)) / double(input_chd.logical_bytes())); + + // add SHA1 output + sha1_t overall = input_chd.sha1(); + if (overall != sha1_t::null) + { + printf("SHA1: %s\n", overall.as_string(tempstr)); + if (input_chd.version() >= 4) + printf("Data SHA1: %s\n", input_chd.raw_sha1().as_string(tempstr)); + } + sha1_t parent = input_chd.parent_sha1(); + if (parent != sha1_t::null) + printf("Parent SHA1: %s\n", parent.as_string(tempstr)); + + // print out metadata + dynamic_buffer buffer; + std::vector<metadata_index_info> info; + for (int index = 0; ; index++) + { + // get the indexed metadata item; stop when we hit an error + chd_metadata_tag metatag; + UINT8 metaflags; + chd_error err = input_chd.read_metadata(CHDMETATAG_WILDCARD, index, buffer, metatag, metaflags); + if (err != CHDERR_NONE) + break; + + // determine our index + UINT32 metaindex = ~0; + for (unsigned int cur = 0; cur < info.size(); cur++) + if (info[cur].tag == metatag) + { + metaindex = ++info[cur].index; + break; + } + + // if not found, add to our tracking + if (metaindex == ~0) + { + metadata_index_info curinfo = { metatag, 0 }; + info.push_back(curinfo); + metaindex = 0; + } + + // print either a string representation or a hex representation of the tag + if (isprint((metatag >> 24) & 0xff) && isprint((metatag >> 16) & 0xff) && isprint((metatag >> 8) & 0xff) && isprint(metatag & 0xff)) + printf("Metadata: Tag='%c%c%c%c' Index=%d Length=%d bytes\n", (metatag >> 24) & 0xff, (metatag >> 16) & 0xff, (metatag >> 8) & 0xff, metatag & 0xff, metaindex, int(buffer.size())); + else + printf("Metadata: Tag=%08x Index=%d Length=%d bytes\n", metatag, metaindex, int(buffer.size())); + printf(" "); + + // print up to 60 characters of metadata + UINT32 count = MIN(60, buffer.size()); + for (int chnum = 0; chnum < count; chnum++) + printf("%c", isprint(UINT8(buffer[chnum])) ? buffer[chnum] : '.'); + printf("\n"); + } + + // print compression stats if verbose + if (params.find(OPTION_VERBOSE) != NULL) + { + UINT32 compression_types[10] = { 0 }; + for (UINT32 hunknum = 0; hunknum < input_chd.hunk_count(); hunknum++) + { + // get info on this hunk + chd_codec_type codec; + UINT32 compbytes; + chd_error err = input_chd.hunk_info(hunknum, codec, compbytes); + if (err != CHDERR_NONE) + report_error(1, "Error getting info on hunk %d: %s", hunknum, chd_file::error_string(err)); + + // decode into our data + if (codec > CHD_CODEC_MINI) + for (int comptype = 0; comptype < 4; comptype++) + if (codec == input_chd.compression(comptype)) + { + codec = CHD_CODEC_MINI + 1 + comptype; + break; + } + if (codec > ARRAY_LENGTH(compression_types)) + codec = ARRAY_LENGTH(compression_types) - 1; + + // count stats + compression_types[codec]++; + } + + // output the stats + printf("\n"); + printf(" Hunks Percent Name\n"); + printf("---------- ------- ------------------------------------\n"); + for (int comptype = 0; comptype < ARRAY_LENGTH(compression_types); comptype++) + if (compression_types[comptype] != 0) + { + // determine the name + const char *name = "Unknown"; + switch (comptype) + { + case CHD_CODEC_NONE: name = "Uncompressed"; break; + case CHD_CODEC_SELF: name = "Copy from self"; break; + case CHD_CODEC_PARENT: name = "Copy from parent"; break; + case CHD_CODEC_MINI: name = "Legacy 8-byte mini"; break; + default: + int index = comptype - 1 - CHD_CODEC_MINI; + if (index < 4) + name = chd_codec_list::codec_name(input_chd.compression(index)); + break; + } + + // output the stats + std::string tempstr; + printf("%10s %5.1f%% %-40s\n", + big_int_string(tempstr, compression_types[comptype]), + 100.0 * double(compression_types[comptype]) / double(input_chd.hunk_count()), + name); + } + } +} + + +//------------------------------------------------- +// do_verify - validate the SHA1 on a CHD +//------------------------------------------------- + +static void do_verify(parameters_t ¶ms) +{ + // parse out input files + chd_file input_parent_chd; + chd_file input_chd; + parse_input_chd_parameters(params, input_chd, input_parent_chd); + + // only makes sense for compressed CHDs with valid SHA1's + if (!input_chd.compressed()) + report_error(0, "No verification to be done; CHD is uncompressed"); + sha1_t raw_sha1 = (input_chd.version() <= 3) ? input_chd.sha1() : input_chd.raw_sha1(); + if (raw_sha1 == sha1_t::null) + report_error(0, "No verification to be done; CHD has no checksum"); + + // create an array to read into + dynamic_buffer buffer((TEMP_BUFFER_SIZE / input_chd.hunk_bytes()) * input_chd.hunk_bytes()); + + // read all the data and build up an SHA-1 + sha1_creator rawsha1; + for (UINT64 offset = 0; offset < input_chd.logical_bytes(); ) + { + progress(false, "Verifying, %.1f%% complete... \r", 100.0 * double(offset) / double(input_chd.logical_bytes())); + + // determine how much to read + UINT32 bytes_to_read = MIN((UINT32)buffer.size(), input_chd.logical_bytes() - offset); + chd_error err = input_chd.read_bytes(offset, &buffer[0], bytes_to_read); + if (err != CHDERR_NONE) + report_error(1, "Error reading CHD file (%s): %s", params.find(OPTION_INPUT)->c_str(), chd_file::error_string(err)); + + // add to the checksum + rawsha1.append(&buffer[0], bytes_to_read); + offset += bytes_to_read; + } + sha1_t computed_sha1 = rawsha1.finish(); + + // finish up + if (raw_sha1 != computed_sha1) + { + std::string tempstr; + fprintf(stderr, "Error: Raw SHA1 in header = %s\n", raw_sha1.as_string(tempstr)); + fprintf(stderr, " actual SHA1 = %s\n", computed_sha1.as_string(tempstr)); + + // fix it if requested; this also fixes the overall one so we don't need to do any more + if (params.find(OPTION_FIX) != NULL) + { + input_chd.set_raw_sha1(computed_sha1); + printf("SHA-1 updated to correct value in input CHD\n"); + } + } + else + { + printf("Raw SHA1 verification successful!\n"); + + // now include the metadata for >= v4 + if (input_chd.version() >= 4) + { + sha1_t computed_overall_sha1 = input_chd.compute_overall_sha1(computed_sha1); + if (input_chd.sha1() == computed_overall_sha1) + printf("Overall SHA1 verification successful!\n"); + else + { + std::string tempstr; + fprintf(stderr, "Error: Overall SHA1 in header = %s\n", input_chd.sha1().as_string(tempstr)); + fprintf(stderr, " actual SHA1 = %s\n", computed_overall_sha1.as_string(tempstr)); + + // fix it if requested + if (params.find(OPTION_FIX) != NULL) + { + input_chd.set_raw_sha1(computed_sha1); + printf("SHA-1 updated to correct value in input CHD\n"); + } + } + } + } +} + + +//------------------------------------------------- +// do_create_raw - create a new compressed raw +// image from a raw file +//------------------------------------------------- + +static void do_create_raw(parameters_t ¶ms) +{ + // process input file + core_file *input_file = NULL; + std::string *input_file_str = params.find(OPTION_INPUT); + if (input_file_str != NULL) + { + file_error filerr = core_fopen(input_file_str->c_str(), OPEN_FLAG_READ, &input_file); + if (filerr != FILERR_NONE) + report_error(1, "Unable to open file (%s)", input_file_str->c_str()); + } + + // process output CHD + chd_file output_parent; + std::string *output_chd_str = parse_output_chd_parameters(params, output_parent); + + // process hunk size + UINT32 hunk_size = output_parent.opened() ? output_parent.hunk_bytes() : 0; + parse_hunk_size(params, 1, hunk_size); + + // process unit size + UINT32 unit_size = output_parent.opened() ? output_parent.unit_bytes() : 0; + std::string *unit_size_str = params.find(OPTION_UNIT_SIZE); + if (unit_size_str != NULL) + { + unit_size = parse_number(unit_size_str->c_str()); + if (hunk_size % unit_size != 0) + report_error(1, "Unit size is not an even divisor of the hunk size"); + } + + // process input start/end (needs to know hunk_size) + UINT64 input_start; + UINT64 input_end; + parse_input_start_end(params, core_fsize(input_file), hunk_size, hunk_size, input_start, input_end); + + // process compression + chd_codec_type compression[4]; + memcpy(compression, s_default_raw_compression, sizeof(compression)); + parse_compression(params, compression); + + // process numprocessors + parse_numprocessors(params); + + // print some info + std::string tempstr; + printf("Output CHD: %s\n", output_chd_str->c_str()); + if (output_parent.opened()) + printf("Parent CHD: %s\n", params.find(OPTION_OUTPUT_PARENT)->c_str()); + printf("Input file: %s\n", input_file_str->c_str()); + if (input_start != 0 || input_end != core_fsize(input_file)) + { + printf("Input start: %s\n", big_int_string(tempstr, input_start)); + printf("Input length: %s\n", big_int_string(tempstr, input_end - input_start)); + } + printf("Compression: %s\n", compression_string(tempstr, compression)); + printf("Hunk size: %s\n", big_int_string(tempstr, hunk_size)); + printf("Logical size: %s\n", big_int_string(tempstr, input_end - input_start)); + + // catch errors so we can close & delete the output file + chd_rawfile_compressor *chd = NULL; + try + { + // create the new CHD + chd = new chd_rawfile_compressor(input_file, input_start, input_end); + chd_error err; + if (output_parent.opened()) + err = chd->create(output_chd_str->c_str(), input_end - input_start, hunk_size, compression, output_parent); + else + err = chd->create(output_chd_str->c_str(), input_end - input_start, hunk_size, unit_size, compression); + if (err != CHDERR_NONE) + report_error(1, "Error creating CHD file (%s): %s", output_chd_str->c_str(), chd_file::error_string(err)); + + // if we have a parent, copy forward all the metadata + if (output_parent.opened()) + chd->clone_all_metadata(output_parent); + + // compress it generically + compress_common(*chd); + delete chd; + } + catch (...) + { + delete chd; + // delete the output file + std::string *output_chd_str = params.find(OPTION_OUTPUT); + if (output_chd_str != NULL) + osd_rmfile(output_chd_str->c_str()); + throw; + } +} + + +//------------------------------------------------- +// do_create_hd - create a new compressed hard +// disk image from a raw file +//------------------------------------------------- + +static void do_create_hd(parameters_t ¶ms) +{ + // process input file + core_file *input_file = NULL; + std::string *input_file_str = params.find(OPTION_INPUT); + if (input_file_str != NULL) + { + file_error filerr = core_fopen(input_file_str->c_str(), OPEN_FLAG_READ, &input_file); + if (filerr != FILERR_NONE) + report_error(1, "Unable to open file (%s)", input_file_str->c_str()); + } + + // process output CHD + chd_file output_parent; + std::string *output_chd_str = parse_output_chd_parameters(params, output_parent); + + // process sectorsize + UINT32 sector_size = output_parent.opened() ? output_parent.unit_bytes() : IDE_SECTOR_SIZE; + std::string *sectorsize_str = params.find(OPTION_SECTOR_SIZE); + if (sectorsize_str != NULL) + { + if (output_parent.opened()) + report_error(1, "Sector size does not apply when creating a diff from the parent"); + sector_size = parse_number(sectorsize_str->c_str()); + } + + // process hunk size (needs to know sector_size) + UINT32 hunk_size = output_parent.opened() ? output_parent.hunk_bytes() : MAX((4096 / sector_size) * sector_size, sector_size); + parse_hunk_size(params, sector_size, hunk_size); + + // process input start/end (needs to know hunk_size) + UINT64 filesize = 0; + UINT64 input_start = 0; + UINT64 input_end = 0; + if (input_file != NULL) + { + parse_input_start_end(params, core_fsize(input_file), hunk_size, hunk_size, input_start, input_end); + filesize = input_end - input_start; + } + else + { + std::string *size_str = params.find(OPTION_SIZE); + if (size_str != NULL) + { + if (sscanf(size_str->c_str(), "%" I64FMT"d", &filesize) != 1) + report_error(1, "Invalid size string"); + } + } + + // process compression + chd_codec_type compression[4]; + memcpy(compression, s_default_hd_compression, sizeof(compression)); + if (input_file == NULL) + compression[0] = compression[1] = compression[2] = compression[3] = CHD_CODEC_NONE; + parse_compression(params, compression); + if (input_file == NULL && compression[0] != CHD_CODEC_NONE) + report_error(1, "Blank hard disks must be uncompressed"); + + // process numprocessors + parse_numprocessors(params); + + // process chs + UINT32 cylinders = 0; + UINT32 heads = 0; + UINT32 sectors = 0; + std::string *chs_str = params.find(OPTION_CHS); + if (chs_str != NULL) + { + if (output_parent.opened()) + report_error(1, "CHS does not apply when creating a diff from the parent"); + if (sscanf(chs_str->c_str(), "%d,%d,%d", &cylinders, &heads, §ors) != 3) + report_error(1, "Invalid CHS string; must be of the form <cylinders>,<heads>,<sectors>"); + } + + // process ident + dynamic_buffer identdata; + if (output_parent.opened()) + output_parent.read_metadata(HARD_DISK_IDENT_METADATA_TAG, 0, identdata); + std::string *ident_str = params.find(OPTION_IDENT); + if (ident_str != NULL) + { + // load the file + file_error filerr = core_fload(ident_str->c_str(), identdata); + if (filerr != FILERR_NONE) + report_error(1, "Error reading ident file (%s)", ident_str->c_str()); + + // must be at least 14 bytes; extract CHS data from there + if (identdata.size() < 14) + report_error(1, "Ident file '%s' is invalid (too short)", ident_str->c_str()); + cylinders = (identdata[3] << 8) | identdata[2]; + heads = (identdata[7] << 8) | identdata[6]; + sectors = (identdata[13] << 8) | identdata[12]; + } + + // extract geometry from the parent if we have one + if (output_parent.opened() && cylinders == 0) + { + std::string metadata; + if (output_parent.read_metadata(HARD_DISK_METADATA_TAG, 0, metadata) != CHDERR_NONE) + report_error(1, "Unable to find hard disk metadata in parent CHD"); + if (sscanf(metadata.c_str(), HARD_DISK_METADATA_FORMAT, &cylinders, &heads, §ors, §or_size) != 4) + report_error(1, "Error parsing hard disk metadata in parent CHD"); + } + + // validate the size + if (filesize % sector_size != 0) + report_error(1, "Data size is not divisible by sector size %d", sector_size); + + // if no CHS values, try to guess them + if (cylinders == 0) + { + if (input_file == NULL && filesize == 0) + report_error(1, "Blank hard drives must specify either a length or a set of CHS values"); + guess_chs(input_file_str, filesize, sector_size, cylinders, heads, sectors, sector_size); + } + UINT32 totalsectors = cylinders * heads * sectors; + + // print some info + std::string tempstr; + printf("Output CHD: %s\n", output_chd_str->c_str()); + if (output_parent.opened()) + printf("Parent CHD: %s\n", params.find(OPTION_OUTPUT_PARENT)->c_str()); + if (input_file != NULL) + { + printf("Input file: %s\n", input_file_str->c_str()); + if (input_start != 0 || input_end != core_fsize(input_file)) + { + printf("Input start: %s\n", big_int_string(tempstr, input_start)); + printf("Input length: %s\n", big_int_string(tempstr, filesize)); + } + } + printf("Compression: %s\n", compression_string(tempstr, compression)); + printf("Cylinders: %d\n", cylinders); + printf("Heads: %d\n", heads); + printf("Sectors: %d\n", sectors); + printf("Bytes/sector: %d\n", sector_size); + printf("Sectors/hunk: %d\n", hunk_size / sector_size); + printf("Logical size: %s\n", big_int_string(tempstr, UINT64(totalsectors) * UINT64(sector_size))); + + // catch errors so we can close & delete the output file + chd_rawfile_compressor *chd = NULL; + try + { + // create the new hard drive + chd = new chd_rawfile_compressor(input_file, input_start, input_end); + chd_error err; + if (output_parent.opened()) + err = chd->create(output_chd_str->c_str(), UINT64(totalsectors) * UINT64(sector_size), hunk_size, compression, output_parent); + else + err = chd->create(output_chd_str->c_str(), UINT64(totalsectors) * UINT64(sector_size), hunk_size, sector_size, compression); + if (err != CHDERR_NONE) + report_error(1, "Error creating CHD file (%s): %s", output_chd_str->c_str(), chd_file::error_string(err)); + + // add the standard hard disk metadata + std::string metadata; + strprintf(metadata, HARD_DISK_METADATA_FORMAT, cylinders, heads, sectors, sector_size); + err = chd->write_metadata(HARD_DISK_METADATA_TAG, 0, metadata); + if (err != CHDERR_NONE) + report_error(1, "Error adding hard disk metadata: %s", chd_file::error_string(err)); + + // write the ident if present + if (!identdata.empty()) + { + err = chd->write_metadata(HARD_DISK_IDENT_METADATA_TAG, 0, identdata); + if (err != CHDERR_NONE) + report_error(1, "Error adding hard disk metadata: %s", chd_file::error_string(err)); + } + + // compress it generically + if (input_file != NULL) + compress_common(*chd); + delete chd; + } + catch (...) + { + delete chd; + // delete the output file + std::string *output_chd_str = params.find(OPTION_OUTPUT); + if (output_chd_str != NULL) + osd_rmfile(output_chd_str->c_str()); + throw; + } +} + + +//------------------------------------------------- +// do_create_cd - create a new compressed CD +// image from a raw file +//------------------------------------------------- + +static void do_create_cd(parameters_t ¶ms) +{ + // process input file + chdcd_track_input_info track_info; + cdrom_toc toc = { 0 }; + std::string *input_file_str = params.find(OPTION_INPUT); + if (input_file_str != NULL) + { + chd_error err = chdcd_parse_toc(input_file_str->c_str(), toc, track_info); + if (err != CHDERR_NONE) + report_error(1, "Error parsing input file (%s: %s)\n", input_file_str->c_str(), chd_file::error_string(err)); + } + + // process output CHD + chd_file output_parent; + std::string *output_chd_str = parse_output_chd_parameters(params, output_parent); + + // process hunk size + UINT32 hunk_size = output_parent.opened() ? output_parent.hunk_bytes() : CD_FRAMES_PER_HUNK * CD_FRAME_SIZE; + parse_hunk_size(params, CD_FRAME_SIZE, hunk_size); + + // process compression + chd_codec_type compression[4]; + memcpy(compression, s_default_cd_compression, sizeof(compression)); + parse_compression(params, compression); + + // process numprocessors + parse_numprocessors(params); + + // pad each track to a 4-frame boundry. cdrom.c will deal with this on the read side + UINT32 origtotalsectors = 0; + UINT32 totalsectors = 0; + for (int tracknum = 0; tracknum < toc.numtrks; tracknum++) + { + cdrom_track_info &trackinfo = toc.tracks[tracknum]; + int padded = (trackinfo.frames + CD_TRACK_PADDING - 1) / CD_TRACK_PADDING; + trackinfo.extraframes = padded * CD_TRACK_PADDING - trackinfo.frames; + origtotalsectors += trackinfo.frames; + totalsectors += trackinfo.frames + trackinfo.extraframes; + } + + // print some info + std::string tempstr; + printf("Output CHD: %s\n", output_chd_str->c_str()); + if (output_parent.opened()) + printf("Parent CHD: %s\n", params.find(OPTION_OUTPUT_PARENT)->c_str()); + printf("Input file: %s\n", input_file_str->c_str()); + printf("Input tracks: %d\n", toc.numtrks); + printf("Input length: %s\n", msf_string_from_frames(tempstr, origtotalsectors)); + printf("Compression: %s\n", compression_string(tempstr, compression)); + printf("Logical size: %s\n", big_int_string(tempstr, UINT64(totalsectors) * CD_FRAME_SIZE)); + + // catch errors so we can close & delete the output file + chd_cd_compressor *chd = NULL; + try + { + // create the new CD + chd = new chd_cd_compressor(toc, track_info); + chd_error err; + if (output_parent.opened()) + err = chd->create(output_chd_str->c_str(), UINT64(totalsectors) * UINT64(CD_FRAME_SIZE), hunk_size, compression, output_parent); + else + err = chd->create(output_chd_str->c_str(), UINT64(totalsectors) * UINT64(CD_FRAME_SIZE), hunk_size, CD_FRAME_SIZE, compression); + if (err != CHDERR_NONE) + report_error(1, "Error creating CHD file (%s): %s", output_chd_str->c_str(), chd_file::error_string(err)); + + // add the standard CD metadata; we do this even if we have a parent because it might be different + err = cdrom_write_metadata(chd, &toc); + if (err != CHDERR_NONE) + report_error(1, "Error adding CD metadata: %s", chd_file::error_string(err)); + + // compress it generically + compress_common(*chd); + delete chd; + } + catch (...) + { + delete chd; + // delete the output file + std::string *output_chd_str = params.find(OPTION_OUTPUT); + if (output_chd_str != NULL) + osd_rmfile(output_chd_str->c_str()); + throw; + } +} + + +//------------------------------------------------- +// do_create_ld - create a new A/V file from an +// input AVI file and metadata +//------------------------------------------------- + +static void do_create_ld(parameters_t ¶ms) +{ + // process input file + avi_file *input_file = NULL; + std::string *input_file_str = params.find(OPTION_INPUT); + if (input_file_str != NULL) + { + avi_error avierr = avi_open(input_file_str->c_str(), &input_file); + if (avierr != AVIERR_NONE) + report_error(1, "Error opening AVI file (%s): %s\n", input_file_str->c_str(), avi_error_string(avierr)); + } + const avi_movie_info *aviinfo = avi_get_movie_info(input_file); + + // process output CHD + chd_file output_parent; + std::string *output_chd_str = parse_output_chd_parameters(params, output_parent); + + // process input start/end + UINT64 input_start; + UINT64 input_end; + parse_input_start_end(params, aviinfo->video_numsamples, 0, 1, input_start, input_end); + + // determine parameters of the incoming video stream + avi_info info; + info.fps_times_1million = UINT64(aviinfo->video_timescale) * 1000000 / aviinfo->video_sampletime; + info.width = aviinfo->video_width; + info.height = aviinfo->video_height; + info.interlaced = ((info.fps_times_1million / 1000000) <= 30) && (info.height % 2 == 0) && (info.height > 288); + info.channels = aviinfo->audio_channels; + info.rate = aviinfo->audio_samplerate; + + // adjust for interlacing + if (info.interlaced) + { + info.fps_times_1million *= 2; + info.height /= 2; + input_start *= 2; + input_end *= 2; + } + + // determine the number of bytes per frame + info.max_samples_per_frame = (UINT64(info.rate) * 1000000 + info.fps_times_1million - 1) / info.fps_times_1million; + info.bytes_per_frame = avhuff_encoder::raw_data_size(info.width, info.height, info.channels, info.max_samples_per_frame); + + // process hunk size + UINT32 hunk_size = output_parent.opened() ? output_parent.hunk_bytes() : info.bytes_per_frame; + parse_hunk_size(params, info.bytes_per_frame, hunk_size); + + // process compression + chd_codec_type compression[4]; + memcpy(compression, s_default_ld_compression, sizeof(compression)); + parse_compression(params, compression); + // disable support for uncompressed ones until the extraction code can handle it + if (compression[0] == CHD_CODEC_NONE) + report_error(1, "Uncompressed is not supported"); + + // process numprocessors + parse_numprocessors(params); + + // print some info + std::string tempstr; + printf("Output CHD: %s\n", output_chd_str->c_str()); + if (output_parent.opened()) + printf("Parent CHD: %s\n", params.find(OPTION_OUTPUT_PARENT)->c_str()); + printf("Input file: %s\n", input_file_str->c_str()); + if (input_start != 0 && input_end != aviinfo->video_numsamples) + printf("Input start: %s\n", big_int_string(tempstr, input_start)); + printf("Input length: %s (%02d:%02d:%02d)\n", big_int_string(tempstr, input_end - input_start), + UINT32((UINT64(input_end - input_start) * 1000000 / info.fps_times_1million / 60 / 60)), + UINT32(((UINT64(input_end - input_start) * 1000000 / info.fps_times_1million / 60) % 60)), + UINT32(((UINT64(input_end - input_start) * 1000000 / info.fps_times_1million) % 60))); + printf("Frame rate: %d.%06d\n", info.fps_times_1million / 1000000, info.fps_times_1million % 1000000); + printf("Frame size: %d x %d %s\n", info.width, info.height * (info.interlaced ? 2 : 1), info.interlaced ? "interlaced" : "non-interlaced"); + printf("Audio: %d channels at %d Hz\n", info.channels, info.rate); + printf("Compression: %s\n", compression_string(tempstr, compression)); + printf("Hunk size: %s\n", big_int_string(tempstr, hunk_size)); + printf("Logical size: %s\n", big_int_string(tempstr, UINT64(input_end - input_start) * hunk_size)); + + // catch errors so we can close & delete the output file + chd_avi_compressor *chd = NULL; + try + { + // create the new CHD + chd = new chd_avi_compressor(*input_file, info, input_start, input_end); + chd_error err; + if (output_parent.opened()) + err = chd->create(output_chd_str->c_str(), UINT64(input_end - input_start) * hunk_size, hunk_size, compression, output_parent); + else + err = chd->create(output_chd_str->c_str(), UINT64(input_end - input_start) * hunk_size, hunk_size, info.bytes_per_frame, compression); + if (err != CHDERR_NONE) + report_error(1, "Error creating CHD file (%s): %s", output_chd_str->c_str(), chd_file::error_string(err)); + + // write the core A/V metadata + std::string metadata; + strprintf(metadata, AV_METADATA_FORMAT, info.fps_times_1million / 1000000, info.fps_times_1million % 1000000, info.width, info.height, info.interlaced, info.channels, info.rate); + err = chd->write_metadata(AV_METADATA_TAG, 0, metadata); + if (err != CHDERR_NONE) + report_error(1, "Error adding AV metadata: %s\n", chd_file::error_string(err)); + + // create the compressor and then run it generically + compress_common(*chd); + + // write the final LD metadata + if (info.height == 524/2 || info.height == 624/2) + { + err = chd->write_metadata(AV_LD_METADATA_TAG, 0, chd->ldframedata(), 0); + if (err != CHDERR_NONE) + report_error(1, "Error adding AVLD metadata: %s\n", chd_file::error_string(err)); + } + delete chd; + } + catch (...) + { + delete chd; + // delete the output file + std::string *output_chd_str = params.find(OPTION_OUTPUT); + if (output_chd_str != NULL) + osd_rmfile(output_chd_str->c_str()); + throw; + } +} + + +//------------------------------------------------- +// do_copy - create a new CHD with data from +// another CHD +//------------------------------------------------- + +static void do_copy(parameters_t ¶ms) +{ + // parse out input files + chd_file input_parent_chd; + chd_file input_chd; + parse_input_chd_parameters(params, input_chd, input_parent_chd); + + // parse out input start/end + UINT64 input_start; + UINT64 input_end; + parse_input_start_end(params, input_chd.logical_bytes(), input_chd.hunk_bytes(), input_chd.hunk_bytes(), input_start, input_end); + + // process output CHD + chd_file output_parent; + std::string *output_chd_str = parse_output_chd_parameters(params, output_parent); + + // process hunk size + UINT32 hunk_size = input_chd.hunk_bytes(); + parse_hunk_size(params, 1, hunk_size); + if (hunk_size % input_chd.hunk_bytes() != 0 && input_chd.hunk_bytes() % hunk_size != 0) + report_error(1, "Hunk size is not an even multiple or divisor of input hunk size"); + + // process compression; we default to our current preferences using metadata to pick the type + chd_codec_type compression[4]; + { + dynamic_buffer metadata; + if (input_chd.read_metadata(HARD_DISK_METADATA_TAG, 0, metadata) == CHDERR_NONE) + memcpy(compression, s_default_hd_compression, sizeof(compression)); + else if (input_chd.read_metadata(AV_METADATA_TAG, 0, metadata) == CHDERR_NONE) + memcpy(compression, s_default_ld_compression, sizeof(compression)); + else if (input_chd.read_metadata(CDROM_OLD_METADATA_TAG, 0, metadata) == CHDERR_NONE || + input_chd.read_metadata(CDROM_TRACK_METADATA_TAG, 0, metadata) == CHDERR_NONE || + input_chd.read_metadata(CDROM_TRACK_METADATA2_TAG, 0, metadata) == CHDERR_NONE || + input_chd.read_metadata(GDROM_OLD_METADATA_TAG, 0, metadata) == CHDERR_NONE || + input_chd.read_metadata(GDROM_TRACK_METADATA_TAG, 0, metadata) == CHDERR_NONE) + memcpy(compression, s_default_cd_compression, sizeof(compression)); + else + memcpy(compression, s_default_raw_compression, sizeof(compression)); + } + parse_compression(params, compression); + + // process numprocessors + parse_numprocessors(params); + + // print some info + std::string tempstr; + printf("Output CHD: %s\n", output_chd_str->c_str()); + if (output_parent.opened()) + printf("Parent CHD: %s\n", params.find(OPTION_OUTPUT_PARENT)->c_str()); + printf("Input CHD: %s\n", params.find(OPTION_INPUT)->c_str()); + if (input_start != 0 || input_end != input_chd.logical_bytes()) + { + printf("Input start: %s\n", big_int_string(tempstr, input_start)); + printf("Input length: %s\n", big_int_string(tempstr, input_end - input_start)); + } + printf("Compression: %s\n", compression_string(tempstr, compression)); + printf("Hunk size: %s\n", big_int_string(tempstr, hunk_size)); + printf("Logical size: %s\n", big_int_string(tempstr, input_end - input_start)); + + // catch errors so we can close & delete the output file + chd_chdfile_compressor *chd = NULL; + try + { + // create the new CHD + chd = new chd_chdfile_compressor(input_chd, input_start, input_end); + chd_error err; + if (output_parent.opened()) + err = chd->create(output_chd_str->c_str(), input_end - input_start, hunk_size, compression, output_parent); + else + err = chd->create(output_chd_str->c_str(), input_end - input_start, hunk_size, input_chd.unit_bytes(), compression); + if (err != CHDERR_NONE) + report_error(1, "Error creating CHD file (%s): %s", output_chd_str->c_str(), chd_file::error_string(err)); + + // clone all the metadata, upgrading where appropriate + dynamic_buffer metadata; + chd_metadata_tag metatag; + UINT8 metaflags; + UINT32 index = 0; + bool redo_cd = false; + bool cdda_swap = false; + for (err = input_chd.read_metadata(CHDMETATAG_WILDCARD, index++, metadata, metatag, metaflags); err == CHDERR_NONE; err = input_chd.read_metadata(CHDMETATAG_WILDCARD, index++, metadata, metatag, metaflags)) + { + // if this is an old CD-CHD tag, note that we want to re-do it + if (metatag == CDROM_OLD_METADATA_TAG || metatag == CDROM_TRACK_METADATA_TAG) + { + redo_cd = true; + continue; + } + // if this is old GD tag we want re-do it and swap CDDA + if (metatag == GDROM_OLD_METADATA_TAG) + { + cdda_swap = redo_cd = true; + continue; + } + + // otherwise, clone it + err = chd->write_metadata(metatag, CHDMETAINDEX_APPEND, metadata, metaflags); + if (err != CHDERR_NONE) + report_error(1, "Error writing cloned metadata: %s", chd_file::error_string(err)); + } + + // if we need to re-do the CD metadata, do it now + if (redo_cd) + { + cdrom_file *cdrom = cdrom_open(&input_chd); + if (cdrom == NULL) + report_error(1, "Error upgrading CD metadata"); + const cdrom_toc *toc = cdrom_get_toc(cdrom); + err = cdrom_write_metadata(chd, toc); + if (err != CHDERR_NONE) + report_error(1, "Error writing upgraded CD metadata: %s", chd_file::error_string(err)); + if (cdda_swap) + chd->m_toc = toc; + } + + // compress it generically + compress_common(*chd); + delete chd; + } + catch (...) + { + delete chd; + // delete the output file + std::string *output_chd_str = params.find(OPTION_OUTPUT); + if (output_chd_str != NULL) + osd_rmfile(output_chd_str->c_str()); + throw; + } +} + + +//------------------------------------------------- +// do_extract_raw - extract a raw file from a +// CHD image +//------------------------------------------------- + +static void do_extract_raw(parameters_t ¶ms) +{ + // parse out input files + chd_file input_parent_chd; + chd_file input_chd; + parse_input_chd_parameters(params, input_chd, input_parent_chd); + + // parse out input start/end + UINT64 input_start; + UINT64 input_end; + parse_input_start_end(params, input_chd.logical_bytes(), input_chd.hunk_bytes(), input_chd.hunk_bytes(), input_start, input_end); + + // verify output file doesn't exist + std::string *output_file_str = params.find(OPTION_OUTPUT); + if (output_file_str != NULL) + check_existing_output_file(params, output_file_str->c_str()); + + // print some info + std::string tempstr; + printf("Output File: %s\n", output_file_str->c_str()); + printf("Input CHD: %s\n", params.find(OPTION_INPUT)->c_str()); + if (input_start != 0 || input_end != input_chd.logical_bytes()) + { + printf("Input start: %s\n", big_int_string(tempstr, input_start)); + printf("Input length: %s\n", big_int_string(tempstr, input_end - input_start)); + } + + // catch errors so we can close & delete the output file + core_file *output_file = NULL; + try + { + // process output file + file_error filerr = core_fopen(output_file_str->c_str(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE, &output_file); + if (filerr != FILERR_NONE) + report_error(1, "Unable to open file (%s)", output_file_str->c_str()); + + // copy all data + dynamic_buffer buffer((TEMP_BUFFER_SIZE / input_chd.hunk_bytes()) * input_chd.hunk_bytes()); + for (UINT64 offset = input_start; offset < input_end; ) + { + progress(false, "Extracting, %.1f%% complete... \r", 100.0 * double(offset - input_start) / double(input_end - input_start)); + + // determine how much to read + UINT32 bytes_to_read = MIN((UINT32)buffer.size(), input_end - offset); + chd_error err = input_chd.read_bytes(offset, &buffer[0], bytes_to_read); + if (err != CHDERR_NONE) + report_error(1, "Error reading CHD file (%s): %s", params.find(OPTION_INPUT)->c_str(), chd_file::error_string(err)); + + // write to the output + UINT32 count = core_fwrite(output_file, &buffer[0], bytes_to_read); + if (count != bytes_to_read) + report_error(1, "Error writing to file; check disk space (%s)", output_file_str->c_str()); + + // advance + offset += bytes_to_read; + } + + // finish up + core_fclose(output_file); + printf("Extraction complete \n"); + } + catch (...) + { + // delete the output file + if (output_file != NULL) + { + core_fclose(output_file); + osd_rmfile(output_file_str->c_str()); + } + throw; + } +} + + +//------------------------------------------------- +// do_extract_cd - extract a CD file from a +// CHD image +//------------------------------------------------- + +static void do_extract_cd(parameters_t ¶ms) +{ + // parse out input files + chd_file input_parent_chd; + chd_file input_chd; + parse_input_chd_parameters(params, input_chd, input_parent_chd); + + // further process input file + cdrom_file *cdrom = cdrom_open(&input_chd); + if (cdrom == NULL) + report_error(1, "Unable to recognize CHD file as a CD"); + const cdrom_toc *toc = cdrom_get_toc(cdrom); + + // verify output file doesn't exist + std::string *output_file_str = params.find(OPTION_OUTPUT); + if (output_file_str != NULL) + check_existing_output_file(params, output_file_str->c_str()); + + // verify output BIN file doesn't exist + std::string *output_bin_file_str = params.find(OPTION_OUTPUT_BIN); + std::string default_name(*output_file_str); + int chop = default_name.find_last_of('.'); + if (chop != -1) + default_name.substr(0, chop); + char basename[128]; + strncpy(basename, default_name.c_str(), 127); + default_name.append(".bin"); + if (output_bin_file_str == NULL) + output_bin_file_str = &default_name; + check_existing_output_file(params, output_bin_file_str->c_str()); + + // print some info + std::string tempstr; + printf("Output TOC: %s\n", output_file_str->c_str()); + printf("Output Data: %s\n", output_bin_file_str->c_str()); + printf("Input CHD: %s\n", params.find(OPTION_INPUT)->c_str()); + + // catch errors so we can close & delete the output file + core_file *output_bin_file = NULL; + core_file *output_toc_file = NULL; + try + { + int mode = MODE_NORMAL; + + if (output_file_str->find(".cue") != -1) + { + mode = MODE_CUEBIN; + } + else if (output_file_str->find(".gdi") != -1) + { + mode = MODE_GDI; + } + + // process output file + file_error filerr = core_fopen(output_file_str->c_str(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_NO_BOM, &output_toc_file); + if (filerr != FILERR_NONE) + report_error(1, "Unable to open file (%s)", output_file_str->c_str()); + + // process output BIN file + if (mode != MODE_GDI) + { + filerr = core_fopen(output_bin_file_str->c_str(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE, &output_bin_file); + if (filerr != FILERR_NONE) + report_error(1, "Unable to open file (%s)", output_bin_file_str->c_str()); + } + + // determine total frames + UINT64 total_bytes = 0; + for (int tracknum = 0; tracknum < toc->numtrks; tracknum++) + total_bytes += toc->tracks[tracknum].frames * (toc->tracks[tracknum].datasize + toc->tracks[tracknum].subsize); + + // GDI must start with the # of tracks + if (mode == MODE_GDI) + { + core_fprintf(output_toc_file, "%d\n", toc->numtrks); + } + + // iterate over tracks and copy all data + UINT64 outputoffs = 0; + UINT32 discoffs = 0; + dynamic_buffer buffer; + for (int tracknum = 0; tracknum < toc->numtrks; tracknum++) + { + std::string trackbin_name(basename); + + if (mode == MODE_GDI) + { + char temp[8]; + sprintf(temp, "%02d", tracknum+1); + trackbin_name.append(temp); + if (toc->tracks[tracknum].trktype == CD_TRACK_AUDIO) + trackbin_name.append(".raw"); + else + trackbin_name.append(".bin"); + + if (output_bin_file) + { + core_fclose(output_bin_file); + output_bin_file = NULL; + } + + filerr = core_fopen(trackbin_name.c_str(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE, &output_bin_file); + if (filerr != FILERR_NONE) + report_error(1, "Unable to open file (%s)", trackbin_name.c_str()); + + outputoffs = 0; + } + + // output the metadata about the track to the TOC file + const cdrom_track_info &trackinfo = toc->tracks[tracknum]; + std::string temp; + if (mode == MODE_GDI) + { + output_track_metadata(mode, output_toc_file, tracknum, trackinfo, core_filename_extract_base(temp, trackbin_name.c_str()).c_str(), discoffs, outputoffs); + } + else + { + output_track_metadata(mode, output_toc_file, tracknum, trackinfo, core_filename_extract_base(temp, output_bin_file_str->c_str()).c_str(), discoffs, outputoffs); + } + + // If this is bin/cue output and the CHD contains subdata, warn the user and don't include + // the subdata size in the buffer calculation. + UINT32 output_frame_size = trackinfo.datasize + ((trackinfo.subtype != CD_SUB_NONE) ? trackinfo.subsize : 0); + if (trackinfo.subtype != CD_SUB_NONE && ((mode == MODE_CUEBIN) || (mode == MODE_GDI))) + { + printf("Warning: Track %d has subcode data. bin/cue and gdi formats cannot contain subcode data and it will be omitted.\n", tracknum+1); + printf(" : This may affect usage of the output image. Use bin/toc output to keep all data.\n"); + output_frame_size = trackinfo.datasize; + } + + // resize the buffer for the track + buffer.resize((TEMP_BUFFER_SIZE / output_frame_size) * output_frame_size); + + // now read and output the actual data + UINT32 bufferoffs = 0; + UINT32 actualframes = trackinfo.frames - trackinfo.padframes; + for (UINT32 frame = 0; frame < actualframes; frame++) + { + progress(false, "Extracting, %.1f%% complete... \r", 100.0 * double(outputoffs) / double(total_bytes)); + + // read the data + cdrom_read_data(cdrom, cdrom_get_track_start_phys(cdrom, tracknum) + frame, &buffer[bufferoffs], trackinfo.trktype, true); + + // for CDRWin and GDI audio tracks must be reversed + // in the case of GDI and CHD version < 5 we assuming source CHD image is GDROM so audio tracks is already reversed + if (((mode == MODE_GDI && input_chd.version() > 4) || (mode == MODE_CUEBIN)) && (trackinfo.trktype == CD_TRACK_AUDIO)) + for (int swapindex = 0; swapindex < trackinfo.datasize; swapindex += 2) + { + UINT8 swaptemp = buffer[bufferoffs + swapindex]; + buffer[bufferoffs + swapindex] = buffer[bufferoffs + swapindex + 1]; + buffer[bufferoffs + swapindex + 1] = swaptemp; + } + bufferoffs += trackinfo.datasize; + discoffs++; + + // read the subcode data + if (trackinfo.subtype != CD_SUB_NONE && (mode == MODE_NORMAL)) + { + cdrom_read_subcode(cdrom, cdrom_get_track_start_phys(cdrom, tracknum) + frame, &buffer[bufferoffs], true); + bufferoffs += trackinfo.subsize; + } + + // write it out if we need to + if (bufferoffs == buffer.size() || frame == actualframes - 1) + { + core_fseek(output_bin_file, outputoffs, SEEK_SET); + UINT32 byteswritten = core_fwrite(output_bin_file, &buffer[0], bufferoffs); + if (byteswritten != bufferoffs) + report_error(1, "Error writing frame %d to file (%s): %s\n", frame, output_file_str->c_str(), chd_file::error_string(CHDERR_WRITE_ERROR)); + outputoffs += bufferoffs; + bufferoffs = 0; + } + } + + discoffs += trackinfo.padframes; + } + + // finish up + core_fclose(output_bin_file); + core_fclose(output_toc_file); + printf("Extraction complete \n"); + } + catch (...) + { + // delete the output files + if (output_bin_file != NULL) + core_fclose(output_bin_file); + if (output_toc_file != NULL) + core_fclose(output_toc_file); + osd_rmfile(output_bin_file_str->c_str()); + osd_rmfile(output_file_str->c_str()); + throw; + } +} + + +//------------------------------------------------- +// do_extract_ld - extract an AVI file from a +// CHD image +//------------------------------------------------- + +static void do_extract_ld(parameters_t ¶ms) +{ + // parse out input files + chd_file input_parent_chd; + chd_file input_chd; + parse_input_chd_parameters(params, input_chd, input_parent_chd); + + // read core metadata + std::string metadata; + chd_error err = input_chd.read_metadata(AV_METADATA_TAG, 0, metadata); + if (err != CHDERR_NONE) + report_error(1, "Unable to find A/V metadata in the input CHD"); + + // parse the metadata + UINT32 fps_times_1million; + UINT32 max_samples_per_frame; + UINT32 frame_bytes; + int width; + int height; + int interlaced; + int channels; + int rate; + { + int fps; + int fpsfrac; + if (sscanf(metadata.c_str(), AV_METADATA_FORMAT, &fps, &fpsfrac, &width, &height, &interlaced, &channels, &rate) != 7) + report_error(1, "Improperly formatted A/V metadata found"); + fps_times_1million = fps * 1000000 + fpsfrac; + } + UINT8 interlace_factor = interlaced ? 2 : 1; + + // determine key parameters and validate + max_samples_per_frame = (UINT64(rate) * 1000000 + fps_times_1million - 1) / fps_times_1million; + frame_bytes = avhuff_encoder::raw_data_size(width, height, channels, max_samples_per_frame); + if (frame_bytes != input_chd.hunk_bytes()) + report_error(1, "Frame size does not match hunk size for this CHD"); + + // parse out input start/end + UINT64 input_start; + UINT64 input_end; + parse_input_start_end(params, input_chd.hunk_count() / interlace_factor, 0, 1, input_start, input_end); + input_start *= interlace_factor; + input_end *= interlace_factor; + + // build up the movie info + avi_movie_info info; + info.video_format = FORMAT_YUY2; + info.video_timescale = fps_times_1million / interlace_factor; + info.video_sampletime = 1000000; + info.video_width = width; + info.video_height = height * interlace_factor; + info.video_depth = 16; + info.audio_format = 0; + info.audio_timescale = rate; + info.audio_sampletime = 1; + info.audio_channels = channels; + info.audio_samplebits = 16; + info.audio_samplerate = rate; + + // verify output file doesn't exist + std::string *output_file_str = params.find(OPTION_OUTPUT); + if (output_file_str != NULL) + check_existing_output_file(params, output_file_str->c_str()); + + // print some info + std::string tempstr; + printf("Output File: %s\n", output_file_str->c_str()); + printf("Input CHD: %s\n", params.find(OPTION_INPUT)->c_str()); + if (input_start != 0 || input_end != input_chd.hunk_count()) + { + printf("Input start: %s\n", big_int_string(tempstr, input_start)); + printf("Input length: %s\n", big_int_string(tempstr, input_end - input_start)); + } + + // catch errors so we can close & delete the output file + avi_file *output_file = NULL; + try + { + // process output file + avi_error avierr = avi_create(output_file_str->c_str(), &info, &output_file); + if (avierr != AVIERR_NONE) + report_error(1, "Unable to open file (%s)", output_file_str->c_str()); + + // create the codec configuration + avhuff_decompress_config avconfig; + std::vector<INT16> audio_data[16]; + UINT32 actsamples; + avconfig.maxsamples = max_samples_per_frame; + avconfig.actsamples = &actsamples; + for (int chnum = 0; chnum < ARRAY_LENGTH(audio_data); chnum++) + { + audio_data[chnum].resize(max_samples_per_frame); + avconfig.audio[chnum] = &audio_data[chnum][0]; + } + + // iterate over frames + bitmap_yuy16 fullbitmap(width, height * interlace_factor); + for (UINT64 framenum = input_start; framenum < input_end; framenum++) + { + progress(framenum == input_start, "Extracting, %.1f%% complete... \r", 100.0 * double(framenum - input_start) / double(input_end - input_start)); + + // set up the fake bitmap for this frame + avconfig.video.wrap(&fullbitmap.pix(framenum % interlace_factor), fullbitmap.width(), fullbitmap.height() / interlace_factor, fullbitmap.rowpixels() * interlace_factor); + input_chd.codec_configure(CHD_CODEC_AVHUFF, AVHUFF_CODEC_DECOMPRESS_CONFIG, &avconfig); + + // read the hunk into the buffers + chd_error err = input_chd.read_hunk(framenum, NULL); + if (err != CHDERR_NONE) + { + UINT64 filepos = core_ftell(input_chd); + report_error(1, "Error reading hunk %" I64FMT "d at offset %" I64FMT "d from CHD file (%s): %s\n", framenum, filepos, params.find(OPTION_INPUT)->c_str(), chd_file::error_string(err)); + } + + // write audio + for (int chnum = 0; chnum < channels; chnum++) + { + avi_error avierr = avi_append_sound_samples(output_file, chnum, avconfig.audio[chnum], actsamples, 0); + if (avierr != AVIERR_NONE) + report_error(1, "Error writing samples for hunk %" I64FMT "d to file (%s): %s\n", framenum, output_file_str->c_str(), avi_error_string(avierr)); + } + + // write video + if ((framenum + 1) % interlace_factor == 0) + { + avi_error avierr = avi_append_video_frame(output_file, fullbitmap); + if (avierr != AVIERR_NONE) + report_error(1, "Error writing video for hunk %" I64FMT "d to file (%s): %s\n", framenum, output_file_str->c_str(), avi_error_string(avierr)); + } + } + + // close and return + avi_close(output_file); + printf("Extraction complete \n"); + } + catch (...) + { + // delete the output file + if (output_file != NULL) + avi_close(output_file); + osd_rmfile(output_file_str->c_str()); + throw; + } +} + + +//------------------------------------------------- +// do_add_metadata - add metadata to a CHD from a +// file +//------------------------------------------------- + +static void do_add_metadata(parameters_t ¶ms) +{ + // parse out input files + chd_file input_parent_chd; + chd_file input_chd; + parse_input_chd_parameters(params, input_chd, input_parent_chd, true); + + // process tag + chd_metadata_tag tag = CHD_MAKE_TAG('?','?','?','?'); + std::string *tag_str = params.find(OPTION_TAG); + if (tag_str != NULL) + { + tag_str->append(" "); + tag = CHD_MAKE_TAG((*tag_str)[0], (*tag_str)[1], (*tag_str)[2], (*tag_str)[3]); + } + + // process index + UINT32 index = 0; + std::string *index_str = params.find(OPTION_INDEX); + if (index_str != NULL) + index = atoi(index_str->c_str()); + + // process text input + std::string *text_str = params.find(OPTION_VALUE_TEXT); + std::string text; + if (text_str != NULL) + { + text = *text_str; + if (text[0] == '"' && text[text.length() - 1] == '"') + text.substr(1, text.length() - 2); + } + + // process file input + std::string *file_str = params.find(OPTION_VALUE_FILE); + dynamic_buffer file; + if (file_str != NULL) + { + file_error filerr = core_fload(file_str->c_str(), file); + if (filerr != FILERR_NONE) + report_error(1, "Error reading metadata file (%s)", file_str->c_str()); + } + + // make sure we have one or the other + if (text_str == NULL && file_str == NULL) + report_error(1, "Error: missing either --valuetext/-vt or --valuefile/-vf parameters"); + if (text_str != NULL && file_str != NULL) + report_error(1, "Error: both --valuetext/-vt or --valuefile/-vf parameters specified; only one permitted"); + + // process no checksum + UINT8 flags = CHD_MDFLAGS_CHECKSUM; + if (params.find(OPTION_NO_CHECKSUM) != NULL) + flags &= ~CHD_MDFLAGS_CHECKSUM; + + // print some info + std::string tempstr; + printf("Input file: %s\n", params.find(OPTION_INPUT)->c_str()); + printf("Tag: %c%c%c%c\n", (tag >> 24) & 0xff, (tag >> 16) & 0xff, (tag >> 8) & 0xff, tag & 0xff); + printf("Index: %d\n", index); + if (text_str != NULL) + printf("Text: %s\n", text.c_str()); + else + printf("Data: %s (%d bytes)\n", file_str->c_str(), int(file.size())); + + // write the metadata + chd_error err; + if (text_str != NULL) + err = input_chd.write_metadata(tag, index, text, flags); + else + err = input_chd.write_metadata(tag, index, &file[0], flags); + if (err != CHDERR_NONE) + report_error(1, "Error adding metadata: %s", chd_file::error_string(err)); + else + printf("Metadata added\n"); +} + + +//------------------------------------------------- +// do_del_metadata - remove metadata from a CHD +//------------------------------------------------- + +static void do_del_metadata(parameters_t ¶ms) +{ + // parse out input files + chd_file input_parent_chd; + chd_file input_chd; + parse_input_chd_parameters(params, input_chd, input_parent_chd, true); + + // process tag + chd_metadata_tag tag = CHD_MAKE_TAG('?','?','?','?'); + std::string *tag_str = params.find(OPTION_TAG); + if (tag_str != NULL) + { + tag_str->append(" "); + tag = CHD_MAKE_TAG((*tag_str)[0], (*tag_str)[1], (*tag_str)[2], (*tag_str)[3]); + } + + // process index + UINT32 index = 0; + std::string *index_str = params.find(OPTION_INDEX); + if (index_str != NULL) + index = atoi(index_str->c_str()); + + // print some info + std::string tempstr; + printf("Input file: %s\n", params.find(OPTION_INPUT)->c_str()); + printf("Tag: %c%c%c%c\n", (tag >> 24) & 0xff, (tag >> 16) & 0xff, (tag >> 8) & 0xff, tag & 0xff); + printf("Index: %d\n", index); + + // write the metadata + chd_error err = input_chd.delete_metadata(tag, index); + if (err != CHDERR_NONE) + report_error(1, "Error removing metadata: %s", chd_file::error_string(err)); + else + printf("Metadata removed\n"); +} + + +//------------------------------------------------- +// do_dump_metadata - dump metadata from a CHD +//------------------------------------------------- + +static void do_dump_metadata(parameters_t ¶ms) +{ + // parse out input files + chd_file input_parent_chd; + chd_file input_chd; + parse_input_chd_parameters(params, input_chd, input_parent_chd); + + // verify output file doesn't exist + std::string *output_file_str = params.find(OPTION_OUTPUT); + if (output_file_str != NULL) + check_existing_output_file(params, output_file_str->c_str()); + + // process tag + chd_metadata_tag tag = CHD_MAKE_TAG('?','?','?','?'); + std::string *tag_str = params.find(OPTION_TAG); + if (tag_str != NULL) + { + tag_str->append(" "); + tag = CHD_MAKE_TAG((*tag_str)[0], (*tag_str)[1], (*tag_str)[2], (*tag_str)[3]); + } + + // process index + UINT32 index = 0; + std::string *index_str = params.find(OPTION_INDEX); + if (index_str != NULL) + index = atoi(index_str->c_str()); + + // write the metadata + dynamic_buffer buffer; + chd_error err = input_chd.read_metadata(tag, index, buffer); + if (err != CHDERR_NONE) + report_error(1, "Error reading metadata: %s", chd_file::error_string(err)); + + // catch errors so we can close & delete the output file + core_file *output_file = NULL; + try + { + // create the file + if (output_file_str != NULL) + { + file_error filerr = core_fopen(output_file_str->c_str(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE, &output_file); + if (filerr != FILERR_NONE) + report_error(1, "Unable to open file (%s)", output_file_str->c_str()); + + // output the metadata + UINT32 count = core_fwrite(output_file, &buffer[0], buffer.size()); + if (count != buffer.size()) + report_error(1, "Error writing file (%s)", output_file_str->c_str()); + core_fclose(output_file); + + // provide some feedback + std::string tempstr; + printf("File (%s) written, %s bytes\n", output_file_str->c_str(), big_int_string(tempstr, buffer.size())); + } + + // flush to stdout + else + { + fwrite(&buffer[0], 1, buffer.size(), stdout); + fflush(stdout); + } + } + catch (...) + { + // delete the output file + if (output_file != NULL) + core_fclose(output_file); + osd_rmfile(output_file_str->c_str()); + throw; + } +} + + +//------------------------------------------------- +// main - entry point +//------------------------------------------------- + +int CLIB_DECL main(int argc, char *argv[]) +{ + // print the header + extern const char build_version[]; + printf("chdman - MAME Compressed Hunks of Data (CHD) manager %s\n", build_version); + + // handle help specially + if (argc < 2) + return print_help(argv[0]); + int argnum = 1; + const char *command = argv[argnum++]; + bool help = (strcmp(command, COMMAND_HELP) == 0); + if (help) + { + if (argc <= 2) + return print_help(argv[0]); + command = argv[argnum++]; + } + + // iterate over commands to find our match + for (int cmdnum = 0; cmdnum < ARRAY_LENGTH(s_commands); cmdnum++) + if (strcmp(command, s_commands[cmdnum].name) == 0) + { + const command_description &desc = s_commands[cmdnum]; + + // print help if that was requested + if (help) + return print_help(argv[0], desc); + + // otherwise, verify the parameters + tagmap_t<std::string *> parameters; + while (argnum < argc) + { + // should be an option name + const char *arg = argv[argnum++]; + if (arg[0] != '-') + return print_help(argv[0], desc, "Expected option, not parameter"); + + // iterate over valid options + int valid; + for (valid = 0; valid < ARRAY_LENGTH(desc.valid_options); valid++) + { + // reduce to the option name + const char *validname = desc.valid_options[valid]; + if (validname == NULL) + break; + if (*validname == REQUIRED[0]) + validname++; + + // find the matching option description + int optnum; + for (optnum = 0; optnum < ARRAY_LENGTH(s_options); optnum++) + if (strcmp(s_options[optnum].name, validname) == 0) + break; + assert(optnum != ARRAY_LENGTH(s_options)); + + // do we match? + const option_description &odesc = s_options[optnum]; + if ((arg[1] == '-' && strcmp(odesc.name, &arg[2]) == 0) || + (arg[1] != '-' && odesc.shortname != NULL && strcmp(odesc.shortname, &arg[1]) == 0)) + { + // if we need a parameter, consume it + const char *param = ""; + if (odesc.parameter) + { + if (argnum >= argc || argv[argnum][0] == '-') + return print_help(argv[0], desc, "Option is missing parameter"); + param = argv[argnum++]; + } + + // add to the map + if (parameters.add(odesc.name, new std::string(param)) == TMERR_DUPLICATE) + return print_help(argv[0], desc, "Multiple parameters of the same type specified"); + break; + } + } + + // if not valid, error + if (valid == ARRAY_LENGTH(desc.valid_options)) + return print_help(argv[0], desc, "Option not valid for this command"); + } + + // make sure we got all our required parameters + for (int valid = 0; valid < ARRAY_LENGTH(desc.valid_options); valid++) + { + const char *validname = desc.valid_options[valid]; + if (validname == NULL) + break; + if (*validname == REQUIRED[0] && parameters.find(++validname) == NULL) + return print_help(argv[0], desc, "Required parameters missing"); + } + + // all clear, run the command + try + { + (*s_commands[cmdnum].handler)(parameters); + return 0; + } + catch (chd_error &err) + { + fprintf(stderr, "CHD error occurred (main): %s\n", chd_file::error_string(err)); + return 1; + } + catch (fatal_error &err) + { + fprintf(stderr, "Fatal error occurred: %d\n", err.error()); + return err.error(); + } + catch (std::exception& ex) + { + fprintf(stderr, "Unhandled exception: %s\n", ex.what()); + return 1; + } + } + + // print generic help if nothing found + return print_help(argv[0]); +} |