int
rzx_start_playback_from_buffer( const unsigned char *buffer, size_t length )
{
int error;
libspectrum_snap* snap;
if( rzx_recording ) return 0;
rzx = libspectrum_rzx_alloc();
error = libspectrum_rzx_read( rzx, buffer, length );
if( error ) return error;
snap = rzx_get_initial_snapshot();
if( !snap ) {
error = utils_open_snap();
if( error ) {
libspectrum_rzx_free( rzx );
return error;
}
}
error = start_playback( rzx );
if( error ) {
libspectrum_rzx_free( rzx );
return error;
}
return 0;
}
int
rzx_finalise_recording( const char *filename )
{
libspectrum_byte *buffer; size_t length;
libspectrum_error libspec_error; int error;
utils_file file;
if( rzx_recording || rzx_playback ) return 1;
error = utils_read_file( filename, &file );
if( error ) return error;
rzx = libspectrum_rzx_alloc();
libspec_error = libspectrum_rzx_read( rzx, file.buffer, file.length );
if( libspec_error != LIBSPECTRUM_ERROR_NONE ) {
utils_close_file( &file );
libspectrum_rzx_free( rzx );
return libspec_error;
}
utils_close_file( &file );
libspec_error = libspectrum_rzx_finalise( rzx );
if( libspec_error != LIBSPECTRUM_ERROR_NONE ) {
libspectrum_rzx_free( rzx );
return libspec_error;
}
/* Write the file */
length = 0;
buffer = NULL;
libspec_error = libspectrum_rzx_write(
&buffer, &length, rzx, LIBSPECTRUM_ID_UNKNOWN, fuse_creator,
settings_current.rzx_compression, rzx_competition_mode ? &rzx_key : NULL
);
if( libspec_error != LIBSPECTRUM_ERROR_NONE ) {
libspectrum_rzx_free( rzx );
return libspec_error;
}
error = utils_write_file( filename, buffer, length );
if( error ) {
libspectrum_free( buffer );
libspectrum_rzx_free( rzx );
return error;
}
libspectrum_free( buffer );
libspectrum_rzx_free( rzx );
return 0;
}
int rzx_stop_recording( void )
{
libspectrum_byte *buffer; size_t length;
libspectrum_error libspec_error; int error;
if( !rzx_recording ) return 0;
/* Stop recording data */
rzx_recording = 0;
if( settings_current.movie_stop_after_rzx ) movie_stop();
/* Embed final snapshot */
if( !rzx_competition_mode ) rzx_add_snap( rzx, 0 );
libspectrum_free( rzx_in_bytes );
rzx_in_bytes = NULL;
rzx_in_allocated = 0;
ui_menu_activate( UI_MENU_ITEM_RECORDING, 0 );
ui_menu_activate( UI_MENU_ITEM_RECORDING_ROLLBACK, 0 );
libspectrum_creator_set_competition_code(
fuse_creator, settings_current.competition_code
);
length = 0;
buffer = NULL;
libspec_error = libspectrum_rzx_write(
&buffer, &length, rzx, LIBSPECTRUM_ID_UNKNOWN, fuse_creator,
settings_current.rzx_compression, rzx_competition_mode ? &rzx_key : NULL
);
if( libspec_error != LIBSPECTRUM_ERROR_NONE ) {
libspectrum_free( rzx_filename );
libspectrum_rzx_free( rzx );
return libspec_error;
}
error = utils_write_file( rzx_filename, buffer, length );
libspectrum_free( rzx_filename );
if( error ) {
libspectrum_free( buffer );
libspectrum_rzx_free( rzx );
return error;
}
libspectrum_free( buffer );
libspec_error = libspectrum_rzx_free( rzx );
if( libspec_error != LIBSPECTRUM_ERROR_NONE ) return libspec_error;
return 0;
}
int rzx_start_recording( const char *filename, int embed_snapshot )
{
int error;
if( rzx_playback ) return 1;
rzx = libspectrum_rzx_alloc();
/* Store the filename */
rzx_filename = utils_safe_strdup( filename );
/* If we're embedding a snapshot, create it now */
if( embed_snapshot ) {
error = rzx_add_snap( rzx, 0 );
if( error ) {
libspectrum_free( rzx_filename );
libspectrum_rzx_free( rzx );
return error;
}
}
start_recording( rzx, settings_current.competition_mode );
return 0;
}
int
rzx_continue_recording( const char *filename )
{
utils_file file;
libspectrum_error libspec_error; int error;
libspectrum_snap* snap = NULL;
libspectrum_rzx_iterator last_it = NULL;
if( rzx_recording || rzx_playback ) return 1;
/* Store the filename */
rzx_filename = utils_safe_strdup( filename );
error = utils_read_file( filename, &file );
if( error ) return error;
rzx = libspectrum_rzx_alloc();
libspec_error = libspectrum_rzx_read( rzx, file.buffer, file.length );
if( libspec_error != LIBSPECTRUM_ERROR_NONE ) {
utils_close_file( &file );
return libspec_error;
}
utils_close_file( &file );
/* Get final snapshot */
last_it = libspectrum_rzx_iterator_last( rzx );
if( last_it ) snap = libspectrum_rzx_iterator_get_snap( last_it );
if( snap ) {
error = snapshot_copy_from( snap );
if( error ) return error;
} else {
ui_error( UI_ERROR_WARNING, "RZX file cannot be continued" );
libspectrum_free( rzx_filename );
libspectrum_rzx_free( rzx );
return 1;
}
start_recording( rzx, 0 );
return 0;
}
int rzx_stop_playback( int add_interrupt )
{
libspectrum_error libspec_error;
rzx_playback = 0;
if( settings_current.movie_stop_after_rzx ) movie_stop();
ui_menu_activate( UI_MENU_ITEM_RECORDING, 0 );
ui_menu_activate( UI_MENU_ITEM_RECORDING_ROLLBACK, 0 );
event_remove_type( sentinel_event );
/* We've now finished with the RZX file, so add an end of frame
event if we've been requested to do so; we don't if we just run
out of frames, as this occurs just before a normal end of frame
and everything works normally as rzx_playback is now zero again */
if( add_interrupt ) {
event_add( machine_current->timings.tstates_per_frame,
spectrum_frame_event );
/* We're no longer doing RZX playback, so tstates now be <= the
normal frame count */
if( tstates > machine_current->timings.tstates_per_frame )
tstates = machine_current->timings.tstates_per_frame;
} else {
/* Ensure that tstates will be zero after it is reduced in
spectrum_frame() */
tstates = machine_current->timings.tstates_per_frame;
}
libspec_error = libspectrum_rzx_free( rzx );
if( libspec_error != LIBSPECTRUM_ERROR_NONE ) return libspec_error;
debugger_event( end_event );
return 0;
}
int rzx_start_playback( const char *filename, int check_snapshot )
{
utils_file file;
libspectrum_error libspec_error; int error;
libspectrum_snap* snap;
if( rzx_recording ) return 1;
rzx = libspectrum_rzx_alloc();
error = utils_read_file( filename, &file );
if( error ) return error;
libspec_error = libspectrum_rzx_read( rzx, file.buffer, file.length );
if( libspec_error != LIBSPECTRUM_ERROR_NONE ) {
utils_close_file( &file );
return libspec_error;
}
utils_close_file( &file );
snap = rzx_get_initial_snapshot();
if( !snap && check_snapshot ) {
/* We need to load an external snapshot. Could be skipped if the snapshot
is preloaded from command line */
error = utils_open_snap();
if( error ) return error;
}
error = start_playback( rzx );
if( error ) {
libspectrum_rzx_free( rzx );
return error;
}
return 0;
}
int
main( int argc, char **argv )
{
unsigned char *buffer; size_t length;
const char *rzxfile;
libspectrum_rzx *rzx;
libspectrum_error error;
libspectrum_dword keyid = 0;
libspectrum_signature signature;
struct rzx_key *key;
int c;
int bad_option = 0;
struct option long_options[] = {
{ "version", 0, NULL, 'V' },
{ "help", 0, NULL, 'h' },
{ 0, 0, 0, 0 }
};
progname = argv[0];
while( ( c = getopt_long( argc, argv, "Vh", long_options, NULL ) ) != -1 ) {
switch( c ) {
case 'V': show_version(); exit( 0 );
case 'h': show_help(); exit( 0 );
case '?':
/* getopt prints an error message to stderr */
bad_option = 1;
break;
default:
bad_option = 1;
fprintf( stderr, "%s: unknown option `%c'\n", progname, (char) c );
break;
}
}
argc -= optind;
argv += optind;
if( bad_option ) {
fprintf( stderr, "Try `%s --help' for more information.\n", progname );
return bad_option;
}
if( argc < 1 ) {
fprintf( stderr, "%s: usage: %s <rzxfile>\n", progname, progname );
fprintf( stderr, "Try `%s --help' for more information.\n", progname );
return 2;
}
if( init_libspectrum() ) return 16;
rzxfile = argv[0];
rzx = libspectrum_rzx_alloc();
if( read_file( rzxfile, &buffer, &length ) ) return 16;
if( libspectrum_rzx_read( rzx, buffer, length ) ) {
free( buffer );
return 16;
}
keyid = libspectrum_rzx_get_keyid( rzx );
if( !keyid ) {
printf( "%s: no key ID found in '%s'\n", progname, rzxfile );
libspectrum_rzx_free( rzx );
free( buffer );
return 16;
}
for( key = known_keys; key->id; key++ )
if( keyid == key->id ) break;
if( !key->id ) {
printf( "%s: don't know anything about key ID %08x\n", progname,
keyid );
libspectrum_rzx_free( rzx );
free( buffer );
return 16;
}
error = libspectrum_rzx_get_signature( rzx, &signature );
if( error ) {
libspectrum_rzx_free( rzx );
free( buffer );
return 16;
}
error = libspectrum_verify_signature( &signature, &( key->key ) );
if( error && error != LIBSPECTRUM_ERROR_SIGNATURE ) {
libspectrum_signature_free( &signature );
libspectrum_rzx_free( rzx );
free( buffer );
return 16;
}
free( buffer );
libspectrum_rzx_free( rzx ); free( rzx );
libspectrum_signature_free( &signature );
if( error == LIBSPECTRUM_ERROR_SIGNATURE ) {
printf( "%s: BAD signature with key %08x (%s) in '%s'\n", progname,
key->id, key->description, rzxfile );
return 1;
} else {
printf( "%s: good signature with key %08x (%s) in '%s'\n", progname,
key->id, key->description, rzxfile );
return 0;
}
}
