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74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
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/* _______ ____ __ ___ ___
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* \ _ \ \ / \ / \ \ / / ' ' '
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* | | \ \ | | || | \/ | . .
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* | | | | | | || ||\ /| |
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* | | | | | | || || \/ | | ' ' '
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* | | | | | | || || | | . .
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* | |_/ / \ \__// || | |
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* /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
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* / \
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* / . \
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* readriff.c - Code to read a RIFF module file / / \ \
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* from memory. | < / \_
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* | \/ /\ /
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* \_ / > /
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* By Chris Moeller. | \ / /
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* | ' /
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* \__/
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*/
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#include "dumb.h"
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#include "internal/it.h"
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#include "internal/riff.h"
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DUH *dumb_read_riff_amff( struct riff * stream );
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DUH *dumb_read_riff_am( struct riff * stream );
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DUH *dumb_read_riff_dsmf( struct riff * stream );
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/* dumb_read_riff_quick(): reads a RIFF file into a DUH struct, returning a
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* pointer to the DUH struct. When you have finished with it, you must pass
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* the pointer to unload_duh() so that the memory can be freed.
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*/
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DUH *DUMBEXPORT dumb_read_riff_quick( DUMBFILE * f )
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{
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DUH * duh;
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struct riff * stream;
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{
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unsigned char * buffer = 0;
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int32 size = 0;
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int32 read;
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do
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{
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buffer = realloc( buffer, 32768 + size );
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if ( ! buffer ) return 0;
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read = dumbfile_getnc( buffer + size, 32768, f );
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if ( read < 0 )
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{
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free( buffer );
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return 0;
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}
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size += read;
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}
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while ( read == 32768 );
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stream = riff_parse( buffer, size, 1 );
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if ( ! stream ) stream = riff_parse( buffer, size, 0 );
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free( buffer );
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}
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if ( ! stream ) return 0;
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if ( stream->type == DUMB_ID( 'A', 'M', ' ', ' ' ) )
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duh = dumb_read_riff_am( stream );
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else if ( stream->type == DUMB_ID( 'A', 'M', 'F', 'F' ) )
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duh = dumb_read_riff_amff( stream );
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else if ( stream->type == DUMB_ID( 'D', 'S', 'M', 'F' ) )
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duh = dumb_read_riff_dsmf( stream );
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else duh = 0;
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riff_free( stream );
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return duh;
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}
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