Remove the files

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11719 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 0 insertions, 594 deletions

diff --git a/apps/codecs/dumb/src/it/readmod.c b/apps/codecs/dumb/src/it/readmod.c
deleted file mode 100644
index 452c890..0000000
--- a/apps/codecs/dumb/src/it/readmod.c
+++ /dev/null
@@ -1,594 +0,0 @@
-/*  _______         ____    __         ___    ___
- * \    _  \       \    /  \  /       \   \  /   /       '   '  '
- *  |  | \  \       |  |    ||         |   \/   |         .      .
- *  |  |  |  |      |  |    ||         ||\  /|  |
- *  |  |  |  |      |  |    ||         || \/ |  |         '  '  '
- *  |  |  |  |      |  |    ||         ||    |  |         .      .
- *  |  |_/  /        \  \__//          ||    |  |
- * /_______/ynamic    \____/niversal  /__\  /____\usic   /|  .  . ibliotheque
- *                                                      /  \
- *                                                     / .  \
- * readmod.c - Code to read a good old-fashioned      / / \  \
- *             Amiga module from an open file.       | <  /   \_
- *                                                   |  \/ /\   /
- * By Ben Davis.                                      \_  /  > /
- *                                                      | \ / /
- *                                                      |  ' /
- *                                                       \__/
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include "dumb.h"
-#include "internal/it.h"
-
-
-
-static int it_mod_read_pattern(IT_PATTERN *pattern, DUMBFILE *f, int n_channels, unsigned char *buffer)
-{
-	int pos;
-	int channel;
-	int row;
-	IT_ENTRY *entry;
-
-	pattern->n_rows = 64;
-
-	if (n_channels == 0) {
-		/* Read the first four channels, leaving gaps for the rest. */
-		for (pos = 0; pos < 64*8*4; pos += 8*4)
-			dumbfile_getnc(buffer + pos, 4*4, f);
-		/* Read the other channels into the gaps we left. */
-		for (pos = 4*4; pos < 64*8*4; pos += 8*4)
-			dumbfile_getnc(buffer + pos, 4*4, f);
-
-		n_channels = 8;
-	} else
-		dumbfile_getnc(buffer, 64 * n_channels * 4, f);
-
-	if (dumbfile_error(f))
-		return -1;
-
-	/* compute number of entries */
-	pattern->n_entries = 64; /* Account for the row end markers */
-	pos = 0;
-	for (row = 0; row < 64; row++) {
-		for (channel = 0; channel < n_channels; channel++) {
-			if (buffer[pos+0] | buffer[pos+1] | buffer[pos+2] | buffer[pos+3])
-				pattern->n_entries++;
-			pos += 4;
-		}
-	}
-
-	pattern->entry = malloc(pattern->n_entries * sizeof(*pattern->entry));
-	if (!pattern->entry)
-		return -1;
-
-	entry = pattern->entry;
-	pos = 0;
-	for (row = 0; row < 64; row++) {
-		for (channel = 0; channel < n_channels; channel++) {
-			if (buffer[pos+0] | buffer[pos+1] | buffer[pos+2] | buffer[pos+3]) {
-				unsigned char sample = (buffer[pos+0] & 0xF0) | (buffer[pos+2] >> 4);
-				int period = ((int)(buffer[pos+0] & 0x0F) << 8) | buffer[pos+1];
-
-				entry->channel = channel;
-				entry->mask = 0;
-
-				if (period) {
-					int note;
-					entry->mask |= IT_ENTRY_NOTE;
-
-					/* frequency = (AMIGA_DIVISOR / 8) / (period * 2)
-					 * C-1: period = 214 -> frequency = 16726
-					 * so, set C5_speed to 16726
-					 * and period = 214 should translate to C5 aka 60
-					 * halve the period, go up an octive
-					 *
-					 * period = 214 / pow(DUMB_SEMITONE_BASE, note - 60)
-					 * pow(DUMB_SEMITONE_BASE, note - 60) = 214 / period
-					 * note - 60 = log(214/period) / log(DUMB_SEMITONE_BASE)
-					 */
-					note = (int)floor(log(214.0/period) / log(DUMB_SEMITONE_BASE) + 60.5);
-					entry->note = MID(0, note, 119);
-					// or should we preserve the period?
-					//entry->note = buffer[pos+0] & 0x0F; /* High nibble */
-					//entry->volpan = buffer[pos+1]; /* Low byte */
-					// and what about finetune?
-				}
-
-				if (sample) {
-					entry->mask |= IT_ENTRY_INSTRUMENT;
-					entry->instrument = sample;
-				}
-
-				_dumb_it_xm_convert_effect(buffer[pos+2] & 0x0F, buffer[pos+3], entry);
-
-				entry++;
-			}
-			pos += 4;
-		}
-		IT_SET_END_ROW(entry);
-		entry++;
-	}
-
-	return 0;
-}
-
-
-
-/* This function does not skip the name (22 bytes); it is assumed the caller
- * has already done that.
- */
-static int it_mod_read_sample_header(IT_SAMPLE *sample, DUMBFILE *f)
-{
-	int finetune;
-
-/**
-     21       22   Chars     Sample 1 name.  If the name is not a full
-                             22 chars in length, it will be null
-                             terminated.
-
-If
-the sample name begins with a '#' character (ASCII $23 (35)) then this is
-assumed not to be an instrument name, and is probably a message.
-*/
-	sample->length = dumbfile_mgetw(f) << 1;
-	finetune = (signed char)(dumbfile_getc(f) << 4) >> 4; /* signed nibble */
-/** Each  finetune step changes  the note 1/8th  of  a  semitone. */
-	sample->global_volume = 64;
-	sample->default_volume = dumbfile_getc(f); // Should we be setting global_volume to this instead?
-	sample->loop_start = dumbfile_mgetw(f) << 1;
-	sample->loop_end = sample->loop_start + (dumbfile_mgetw(f) << 1);
-/**
-Once this sample has been played completely from beginning
-to end, if the  repeat length (next field)  is greater than two  bytes it
-will loop back to this position in the sample and continue playing.  Once
-it has played for  the repeat length,  it continues to  loop back to  the
-repeat start offset.  This means the sample continues playing until it is
-told to stop.
-*/
-
-	if (sample->length <= 0) {
-		sample->flags = 0;
-		return 0;
-	}
-
-	sample->flags = IT_SAMPLE_EXISTS;
-
-	sample->default_pan = 0;
-	sample->C5_speed = (long)(16726.0*pow(DUMB_PITCH_BASE, finetune*32));
-	// the above line might be wrong
-
-	if (sample->loop_end > sample->length)
-		sample->loop_end = sample->length;
-
-	if (sample->loop_end - sample->loop_start > 2)
-		sample->flags |= IT_SAMPLE_LOOP;
-
-	sample->vibrato_speed = 0;
-	sample->vibrato_depth = 0;
-	sample->vibrato_rate = 0;
-	sample->vibrato_waveform = 0; // do we have to set _all_ these?
-
-	return dumbfile_error(f);
-}
-
-
-
-static int it_mod_read_sample_data(IT_SAMPLE *sample, DUMBFILE *f)
-{
-	long i;
-	long truncated_size;
-
-	/* let's get rid of the sample data coming after the end of the loop */
-	if ((sample->flags & IT_SAMPLE_LOOP) && sample->loop_end < sample->length) {
-		truncated_size = sample->length - sample->loop_end;
-		sample->length = sample->loop_end;
-	} else {
-		truncated_size = 0;
-	}
-
-	sample->left = malloc(sample->length * sizeof(*sample->left));
-
-	if (!sample->left)
-		return -1;
-
-	/* Sample data are stored in "8-bit two's compliment format" (sic). */
-	for (i = 0; i < sample->length; i++)
-		sample->left[i] = (int)(signed char)dumbfile_getc(f) << 16;
-
-	/* skip truncated data */
-	dumbfile_skip(f, truncated_size);
-	// Should we be truncating it?
-
-	if (dumbfile_error(f))
-		return -1;
-
-	return 0;
-}
-
-
-
-typedef struct BUFFERED_MOD BUFFERED_MOD;
-
-struct BUFFERED_MOD
-{
-	unsigned char *buffered;
-	long ptr, len;
-	DUMBFILE *remaining;
-};
-
-
-
-static int buffer_mod_skip(void *f, long n)
-{
-	BUFFERED_MOD *bm = f;
-	if (bm->buffered) {
-		bm->ptr += n;
-		if (bm->ptr >= bm->len) {
-			free(bm->buffered);
-			bm->buffered = NULL;
-			return dumbfile_skip(bm->remaining, bm->ptr - bm->len);
-		}
-		return 0;
-	}
-	return dumbfile_skip(bm->remaining, n);
-}
-
-
-
-static int buffer_mod_getc(void *f)
-{
-	BUFFERED_MOD *bm = f;
-	if (bm->buffered) {
-		int rv = bm->buffered[bm->ptr++];
-		if (bm->ptr >= bm->len) {
-			free(bm->buffered);
-			bm->buffered = NULL;
-		}
-		return rv;
-	}
-	return dumbfile_getc(bm->remaining);
-}
-
-
-
-static long buffer_mod_getnc(char *ptr, long n, void *f)
-{
-	BUFFERED_MOD *bm = f;
-	if (bm->buffered) {
-		int left = bm->len - bm->ptr;
-		if (n >= left) {
-			int rv;
-			memcpy(ptr, bm->buffered + bm->ptr, left);
-			free(bm->buffered);
-			bm->buffered = NULL;
-			rv = dumbfile_getnc(ptr + left, n - left, bm->remaining);
-			return left + MAX(rv, 0);
-		}
-		memcpy(ptr, bm->buffered + bm->ptr, n);
-		bm->ptr += n;
-		return n;
-	}
-	return dumbfile_getnc(ptr, n, bm->remaining);
-}
-
-
-
-static void buffer_mod_close(void *f)
-{
-	BUFFERED_MOD *bm = f;
-	if (bm->buffered) free(bm->buffered);
-	/* Do NOT close bm->remaining */
-	free(f);
-}
-
-
-
-DUMBFILE_SYSTEM buffer_mod_dfs = {
-	NULL,
-	&buffer_mod_skip,
-	&buffer_mod_getc,
-	&buffer_mod_getnc,
-	&buffer_mod_close
-};
-
-
-
-#define MOD_FFT_OFFSET (20 + 31*(22+2+1+1+2+2) + 1 + 1 + 128)
-
-static DUMBFILE *dumbfile_buffer_mod(DUMBFILE *f, unsigned long *fft)
-{
-	BUFFERED_MOD *bm = malloc(sizeof(*bm));
-	if (!bm) return NULL;
-
-	bm->buffered = malloc(MOD_FFT_OFFSET + 4);
-	if (!bm->buffered) {
-		free(bm);
-		return NULL;
-	}
-
-	bm->len = dumbfile_getnc(bm->buffered, MOD_FFT_OFFSET + 4, f);
-
-	if (bm->len > 0) {
-		if (bm->len >= MOD_FFT_OFFSET + 4)
-			*fft = (unsigned long)bm->buffered[MOD_FFT_OFFSET  ] << 24
-			     | (unsigned long)bm->buffered[MOD_FFT_OFFSET+1] << 16
-			     | (unsigned long)bm->buffered[MOD_FFT_OFFSET+2] << 8
-			     | (unsigned long)bm->buffered[MOD_FFT_OFFSET+3];
-		else
-			*fft = 0;
-		bm->ptr = 0;
-	} else {
-		free(bm->buffered);
-		bm->buffered = NULL;
-	}
-
-	bm->remaining = f;
-
-	return dumbfile_open_ex(bm, &buffer_mod_dfs);
-}
-
-
-
-static DUMB_IT_SIGDATA *it_mod_load_sigdata(DUMBFILE *f)
-{
-	DUMB_IT_SIGDATA *sigdata;
-	int n_channels;
-	int i;
-	unsigned long fft;
-
-	f = dumbfile_buffer_mod(f, &fft);
-	if (!f)
-		return NULL;
-
-	/**
-      1       20   Chars     Title of the song.  If the title is not a
-                             full 20 chars in length, it will be null-
-                             terminated.
-	*/
-	if (dumbfile_skip(f, 20)) {
-		dumbfile_close(f);
-		return NULL;
-	}
-
-	sigdata = malloc(sizeof(*sigdata));
-	if (!sigdata) {
-		dumbfile_close(f);
-		return NULL;
-	}
-
-	sigdata->n_samples = 31;
-
-	switch (fft) {
-		case DUMB_ID('M','.','K','.'):
-		case DUMB_ID('M','!','K','!'):
-		case DUMB_ID('M','&','K','!'):
-		case DUMB_ID('N','.','T','.'):
-		case DUMB_ID('F','L','T','4'):
-			n_channels = 4;
-			break;
-		case DUMB_ID('F','L','T','8'):
-			n_channels = 0;
-			/* 0 indicates a special case; two four-channel patterns must be
-			 * combined into one eight-channel pattern. Pattern indexes must
-			 * be halved. Why oh why do they obfuscate so?
-			 */
-			for (i = 0; i < 128; i++)
-				sigdata->order[i] >>= 1;
-			break;
-		case DUMB_ID('C','D','8','1'):
-		case DUMB_ID('O','C','T','A'):
-		case DUMB_ID('O','K','T','A'):
-			n_channels = 8;
-			break;
-		case DUMB_ID('1','6','C','N'):
-			n_channels = 16;
-			break;
-		case DUMB_ID('3','2','C','N'):
-			n_channels = 32;
-			break;
-		default:
-			/* If we get an illegal tag, assume 4 channels 15 samples. */
-			if ((fft & 0x0000FFFFL) == DUMB_ID(0,0,'C','H')) {
-				if (fft >= '1' << 24 && fft < '4' << 24) {
-					n_channels = ((fft & 0x00FF0000L) >> 16) - '0';
-					if ((unsigned int)n_channels >= 10) {
-						/* Rightmost character wasn't a digit. */
-						n_channels = 4;
-						sigdata->n_samples = 15;
-					} else {
-						n_channels += (((fft & 0xFF000000L) >> 24) - '0') * 10;
-						/* MODs should really only go up to 32 channels, but we're lenient. */
-						if ((unsigned int)(n_channels - 1) >= DUMB_IT_N_CHANNELS - 1) {
-							/* No channels or too many? Can't be right... */
-							n_channels = 4;
-							sigdata->n_samples = 15;
-						}
-					}
-				} else {
-					n_channels = 4;
-					sigdata->n_samples = 15;
-				}
-			} else if ((fft & 0x00FFFFFFL) == DUMB_ID(0,'C','H','N')) {
-				n_channels = (fft >> 24) - '0';
-				if ((unsigned int)(n_channels - 1) >= 9) {
-					/* Character was '0' or it wasn't a digit */
-					n_channels = 4;
-					sigdata->n_samples = 15;
-				}
-			} else if ((fft & 0xFFFFFF00L) == DUMB_ID('T','D','Z',0)) {
-				n_channels = (fft & 0x000000FFL) - '0';
-				if ((unsigned int)(n_channels - 1) >= 9) {
-					/* We've been very lenient, given that it should have
-					 * been 1, 2 or 3, but this MOD has been very naughty and
-					 * must be punished.
-					 */
-					n_channels = 4;
-					sigdata->n_samples = 15;
-				}
-			} else {
-				n_channels = 4;
-				sigdata->n_samples = 15;
-			}
-	}
-
-	sigdata->sample = malloc(sigdata->n_samples * sizeof(*sigdata->sample));
-	if (!sigdata->sample) {
-		free(sigdata);
-		dumbfile_close(f);
-		return NULL;
-	}
-
-	sigdata->order = NULL;
-	sigdata->instrument = NULL;
-	sigdata->pattern = NULL;
-	sigdata->midi = NULL;
-	sigdata->checkpoint = NULL;
-
-	for (i = 0; i < sigdata->n_samples; i++)
-		sigdata->sample[i].right = sigdata->sample[i].left = NULL;
-
-	for (i = 0; i < sigdata->n_samples; i++) {
-		if (dumbfile_skip(f, 22) ||
-		    it_mod_read_sample_header(&sigdata->sample[i], f))
-		{
-			_dumb_it_unload_sigdata(sigdata);
-			dumbfile_close(f);
-			return NULL;
-		}
-	}
-
-	sigdata->n_orders = dumbfile_getc(f);
-	sigdata->restart_position = dumbfile_getc(f);
-	// what if this is >= 127? what about with Fast Tracker II?
-
-	if (sigdata->n_orders <= 0 || sigdata->n_orders > 128) { // is this right?
-		_dumb_it_unload_sigdata(sigdata);
-		dumbfile_close(f);
-		return NULL;
-	}
-
-	//if (sigdata->restart_position >= sigdata->n_orders)
-		//sigdata->restart_position = 0;
-
-	sigdata->order = malloc(128); /* We may need to scan the extra ones! */
-	if (!sigdata->order) {
-		_dumb_it_unload_sigdata(sigdata);
-		dumbfile_close(f);
-		return NULL;
-	}
-	if (dumbfile_getnc(sigdata->order, 128, f) < 128) {
-		_dumb_it_unload_sigdata(sigdata);
-		dumbfile_close(f);
-		return NULL;
-	}
-
-	/* "The old NST format contains only 15 samples (instead of 31). Further
-	 * it doesn't contain a file format tag (id). So Pattern data offset is
-	 * at 20+15*30+1+1+128."
-	 * - Then I shall assume the File Format Tag never exists if there are
-	 * only 15 samples. I hope this isn't a faulty assumption...
-	 */
-	if (sigdata->n_samples == 31)
-		dumbfile_skip(f, 4);
-
-	/* Work out how many patterns there are. */
-	sigdata->n_patterns = -1;
-	for (i = 0; i < 128; i++)
-		if (sigdata->n_patterns < sigdata->order[i])
-			sigdata->n_patterns = sigdata->order[i];
-	sigdata->n_patterns++;
-
-	/* May as well try to save a tiny bit of memory. */
-	if (sigdata->n_orders < 128) {
-		unsigned char *order = realloc(sigdata->order, sigdata->n_orders);
-		if (order) sigdata->order = order;
-	}
-
-	sigdata->pattern = malloc(sigdata->n_patterns * sizeof(*sigdata->pattern));
-	if (!sigdata->pattern) {
-		_dumb_it_unload_sigdata(sigdata);
-		dumbfile_close(f);
-		return NULL;
-	}
-	for (i = 0; i < sigdata->n_patterns; i++)
-		sigdata->pattern[i].entry = NULL;
-
-	/* Read in the patterns */
-	{
-		unsigned char *buffer = malloc(256 * n_channels); /* 64 rows * 4 bytes */
-		if (!buffer) {
-			_dumb_it_unload_sigdata(sigdata);
-			dumbfile_close(f);
-			return NULL;
-		}
-		for (i = 0; i < sigdata->n_patterns; i++) {
-			if (it_mod_read_pattern(&sigdata->pattern[i], f, n_channels, buffer) != 0) {
-				free(buffer);
-				_dumb_it_unload_sigdata(sigdata);
-				dumbfile_close(f);
-				return NULL;
-			}
-		}
-		free(buffer);
-	}
-
-	/* And finally, the sample data */
-	for (i = 0; i < sigdata->n_samples; i++) {
-		if (it_mod_read_sample_data(&sigdata->sample[i], f)) {
-			_dumb_it_unload_sigdata(sigdata);
-			dumbfile_close(f);
-			return NULL;
-		}
-	}
-
-	dumbfile_close(f); /* Destroy the BUFFERED_MOD DUMBFILE we were using. */
-	/* The DUMBFILE originally passed to our function is intact. */
-
-	/* Now let's initialise the remaining variables, and we're done! */
-	sigdata->flags = IT_WAS_AN_XM | IT_WAS_A_MOD | IT_OLD_EFFECTS | IT_COMPATIBLE_GXX | IT_STEREO;
-
-	sigdata->global_volume = 128;
-	sigdata->mixing_volume = 48;
-	/* We want 50 ticks per second; 50/6 row advances per second;
-	 * 50*10=500 row advances per minute; 500/4=125 beats per minute.
-	 */
-	sigdata->speed = 6;
-	sigdata->tempo = 125;
-	sigdata->pan_separation = 128;
-
-	memset(sigdata->channel_volume, 64, DUMB_IT_N_CHANNELS);
-
-	for (i = 0; i < DUMB_IT_N_CHANNELS; i += 4) {
-		sigdata->channel_pan[i+0] = 16;
-		sigdata->channel_pan[i+1] = 48;
-		sigdata->channel_pan[i+2] = 48;
-		sigdata->channel_pan[i+3] = 16;
-	}
-
-	_dumb_it_fix_invalid_orders(sigdata);
-
-	return sigdata;
-}
-
-
-
-DUH *dumb_read_mod(DUMBFILE *f)
-{
-	sigdata_t *sigdata;
-	long length;
-
-	DUH_SIGTYPE_DESC *descptr = &_dumb_sigtype_it;
-
-	sigdata = it_mod_load_sigdata(f);
-
-	if (!sigdata)
-		return NULL;
-
-	length = _dumb_it_build_checkpoints(sigdata);
-
-	return make_duh(length, 1, &descptr, &sigdata);
-}