Add EA MicroTalk decoder [FIFA 2001 PS2, Ultima IX voices]

This commit is contained in:
bnnm 2017-12-03 13:44:55 +01:00
parent e3de403c9f
commit 6072d17f50
12 changed files with 670 additions and 33 deletions

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@ -108,9 +108,10 @@ are used in few games.
- InterPlay ACM
- Visual Art's NWA
- CRI HCA
- Electronic Arts MicroTalk
- Xiph Vorbis (Ogg, FSB5, Wwise, OGL, Silicon Knights)
- MPEG MP1/2/3 (standard, AHX, XVAG, FSB, AWC, P3D, etc)
- Electronic Arts EALayer3 v1
- Electronic Arts EALayer3
- ITU-T G.722.1 (Polycom Siren 7)
- ITU-T G.722.1 annex C (Polycom Siren 14)
- ITU G.719 annex B (Polycom Siren 22)

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@ -135,6 +135,14 @@ void decode_mta2(VGMSTREAMCHANNEL * stream, sample * outbuf, int channelspacing,
/* mc3_decoder */
void decode_mc3(VGMSTREAM * vgmstream, VGMSTREAMCHANNEL * stream, sample * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int channel);
/* ea_mt_decoder*/
ea_mt_codec_data *init_ea_mt(int channel_count, int type);
void decode_ea_mt(VGMSTREAM * vgmstream, sample * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int channel);
void reset_ea_mt(VGMSTREAM * vgmstream);
void flush_ea_mt(VGMSTREAM *vgmstream);
void seek_ea_mt(VGMSTREAM * vgmstream, int32_t num_sample);
void free_ea_mt(ea_mt_codec_data *data);
/* hca_decoder */
void decode_hca(hca_codec_data * data, sample * outbuf, int32_t samples_to_do, int channels);
void reset_hca(VGMSTREAM *vgmstream);

577
src/coding/ea_mt_decoder.c Normal file
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@ -0,0 +1,577 @@
#include "coding.h"
/* Decodes EA MicroTalk (speech codec) using a copied utkencode lib.
* EA separates MT10:1 and MT5:1 (bigger frames), but apparently are the same
* with different encoding parameters. Later revisions may have PCM blocks (rare).
*
* Decoder by Andrew D'Addesio: https://github.com/daddesio/utkencode
* Info: http://wiki.niotso.org/UTK
*
* The following tries to follow the original code as close as possible, with minimal changes for vgmstream
*/
/* ************************************************************************************************* */
#define UTK_BUFFER_SIZE 0x4000
//#define UTK_MAKE_U32(a,b,c,d) ((a)|((b)<<8)|((c)<<16)|((d)<<24))
#define UTK_ROUND(x) ((x) >= 0.0f ? ((x)+0.5f) : ((x)-0.5f))
#define UTK_MIN(x,y) ((x)<(y)?(x):(y))
#define UTK_MAX(x,y) ((x)>(y)?(x):(y))
#define UTK_CLAMP(x,min,max) UTK_MIN(UTK_MAX(x,min),max)
/* Note: This struct assumes a member alignment of 4 bytes.
** This matters when pitch_lag > 216 on the first subframe of any given frame. */
typedef struct UTKContext {
uint8_t buffer[UTK_BUFFER_SIZE]; //vgmstream extra
STREAMFILE * streamfile; //vgmstream extra
off_t offset; //vgmstream extra
int samples_filled; //vgmstream extra
//FILE *fp; //vgmstream extra
const uint8_t *ptr, *end;
int parsed_header;
unsigned int bits_value;
int bits_count;
int reduced_bw;
int multipulse_thresh;
float fixed_gains[64];
float rc[12];
float synth_history[12];
float adapt_cb[324];
float decompressed_frame[432];
} UTKContext;
enum {
MDL_NORMAL = 0,
MDL_LARGEPULSE = 1
};
static const float utk_rc_table[64] = {
0.0f,
-.99677598476409912109375f, -.99032700061798095703125f, -.983879029750823974609375f, -.977430999279022216796875f,
-.970982015132904052734375f, -.964533984661102294921875f, -.958085000514984130859375f, -.9516370296478271484375f,
-.930754005908966064453125f, -.904959976673126220703125f, -.879167020320892333984375f, -.853372991085052490234375f,
-.827579021453857421875f, -.801786005496978759765625f, -.775991976261138916015625f, -.75019800662994384765625f,
-.724404990673065185546875f, -.6986110210418701171875f, -.6706349849700927734375f, -.61904799938201904296875f,
-.567460000514984130859375f, -.515873014926910400390625f, -.4642859995365142822265625f, -.4126980006694793701171875f,
-.361110985279083251953125f, -.309523999691009521484375f, -.257937014102935791015625f, -.20634900033473968505859375f,
-.1547619998455047607421875f, -.10317499935626983642578125f, -.05158700048923492431640625f,
0.0f,
+.05158700048923492431640625f, +.10317499935626983642578125f, +.1547619998455047607421875f, +.20634900033473968505859375f,
+.257937014102935791015625f, +.309523999691009521484375f, +.361110985279083251953125f, +.4126980006694793701171875f,
+.4642859995365142822265625f, +.515873014926910400390625f, +.567460000514984130859375f, +.61904799938201904296875f,
+.6706349849700927734375f, +.6986110210418701171875f, +.724404990673065185546875f, +.75019800662994384765625f,
+.775991976261138916015625f, +.801786005496978759765625f, +.827579021453857421875f, +.853372991085052490234375f,
+.879167020320892333984375f, +.904959976673126220703125f, +.930754005908966064453125f, +.9516370296478271484375f,
+.958085000514984130859375f, +.964533984661102294921875f, +.970982015132904052734375f, +.977430999279022216796875f,
+.983879029750823974609375f, +.99032700061798095703125f, +.99677598476409912109375
};
static const uint8_t utk_codebooks[2][256] = {
{ /* normal model */
4, 6, 5, 9, 4, 6, 5, 13, 4, 6, 5, 10, 4, 6, 5, 17,
4, 6, 5, 9, 4, 6, 5, 14, 4, 6, 5, 10, 4, 6, 5, 21,
4, 6, 5, 9, 4, 6, 5, 13, 4, 6, 5, 10, 4, 6, 5, 18,
4, 6, 5, 9, 4, 6, 5, 14, 4, 6, 5, 10, 4, 6, 5, 25,
4, 6, 5, 9, 4, 6, 5, 13, 4, 6, 5, 10, 4, 6, 5, 17,
4, 6, 5, 9, 4, 6, 5, 14, 4, 6, 5, 10, 4, 6, 5, 22,
4, 6, 5, 9, 4, 6, 5, 13, 4, 6, 5, 10, 4, 6, 5, 18,
4, 6, 5, 9, 4, 6, 5, 14, 4, 6, 5, 10, 4, 6, 5, 0,
4, 6, 5, 9, 4, 6, 5, 13, 4, 6, 5, 10, 4, 6, 5, 17,
4, 6, 5, 9, 4, 6, 5, 14, 4, 6, 5, 10, 4, 6, 5, 21,
4, 6, 5, 9, 4, 6, 5, 13, 4, 6, 5, 10, 4, 6, 5, 18,
4, 6, 5, 9, 4, 6, 5, 14, 4, 6, 5, 10, 4, 6, 5, 26,
4, 6, 5, 9, 4, 6, 5, 13, 4, 6, 5, 10, 4, 6, 5, 17,
4, 6, 5, 9, 4, 6, 5, 14, 4, 6, 5, 10, 4, 6, 5, 22,
4, 6, 5, 9, 4, 6, 5, 13, 4, 6, 5, 10, 4, 6, 5, 18,
4, 6, 5, 9, 4, 6, 5, 14, 4, 6, 5, 10, 4, 6, 5, 2
}, { /* large-pulse model */
4, 11, 7, 15, 4, 12, 8, 19, 4, 11, 7, 16, 4, 12, 8, 23,
4, 11, 7, 15, 4, 12, 8, 20, 4, 11, 7, 16, 4, 12, 8, 27,
4, 11, 7, 15, 4, 12, 8, 19, 4, 11, 7, 16, 4, 12, 8, 24,
4, 11, 7, 15, 4, 12, 8, 20, 4, 11, 7, 16, 4, 12, 8, 1,
4, 11, 7, 15, 4, 12, 8, 19, 4, 11, 7, 16, 4, 12, 8, 23,
4, 11, 7, 15, 4, 12, 8, 20, 4, 11, 7, 16, 4, 12, 8, 28,
4, 11, 7, 15, 4, 12, 8, 19, 4, 11, 7, 16, 4, 12, 8, 24,
4, 11, 7, 15, 4, 12, 8, 20, 4, 11, 7, 16, 4, 12, 8, 3,
4, 11, 7, 15, 4, 12, 8, 19, 4, 11, 7, 16, 4, 12, 8, 23,
4, 11, 7, 15, 4, 12, 8, 20, 4, 11, 7, 16, 4, 12, 8, 27,
4, 11, 7, 15, 4, 12, 8, 19, 4, 11, 7, 16, 4, 12, 8, 24,
4, 11, 7, 15, 4, 12, 8, 20, 4, 11, 7, 16, 4, 12, 8, 1,
4, 11, 7, 15, 4, 12, 8, 19, 4, 11, 7, 16, 4, 12, 8, 23,
4, 11, 7, 15, 4, 12, 8, 20, 4, 11, 7, 16, 4, 12, 8, 28,
4, 11, 7, 15, 4, 12, 8, 19, 4, 11, 7, 16, 4, 12, 8, 24,
4, 11, 7, 15, 4, 12, 8, 20, 4, 11, 7, 16, 4, 12, 8, 3
}
};
static const struct {
int next_model;
int code_size;
float pulse_value;
} utk_commands[29] = {
{MDL_LARGEPULSE, 8, 0.0f},
{MDL_LARGEPULSE, 7, 0.0f},
{MDL_NORMAL, 8, 0.0f},
{MDL_NORMAL, 7, 0.0f},
{MDL_NORMAL, 2, 0.0f},
{MDL_NORMAL, 2, -1.0f},
{MDL_NORMAL, 2, +1.0f},
{MDL_NORMAL, 3, -1.0f},
{MDL_NORMAL, 3, +1.0f},
{MDL_LARGEPULSE, 4, -2.0f},
{MDL_LARGEPULSE, 4, +2.0f},
{MDL_LARGEPULSE, 3, -2.0f},
{MDL_LARGEPULSE, 3, +2.0f},
{MDL_LARGEPULSE, 5, -3.0f},
{MDL_LARGEPULSE, 5, +3.0f},
{MDL_LARGEPULSE, 4, -3.0f},
{MDL_LARGEPULSE, 4, +3.0f},
{MDL_LARGEPULSE, 6, -4.0f},
{MDL_LARGEPULSE, 6, +4.0f},
{MDL_LARGEPULSE, 5, -4.0f},
{MDL_LARGEPULSE, 5, +4.0f},
{MDL_LARGEPULSE, 7, -5.0f},
{MDL_LARGEPULSE, 7, +5.0f},
{MDL_LARGEPULSE, 6, -5.0f},
{MDL_LARGEPULSE, 6, +5.0f},
{MDL_LARGEPULSE, 8, -6.0f},
{MDL_LARGEPULSE, 8, +6.0f},
{MDL_LARGEPULSE, 7, -6.0f},
{MDL_LARGEPULSE, 7, +6.0f}
};
static int utk_read_byte(UTKContext *ctx)
{
if (ctx->ptr < ctx->end)
return *ctx->ptr++;
//vgmstream extra: this reads from FILE if static buffer was exhausted, now from a context buffer and STREAMFILE instead
if (ctx->streamfile) { //if (ctx->fp) {
//static uint8_t buffer[4096];
//size_t bytes_copied = fread(buffer, 1, sizeof(buffer), ctx->fp);
size_t bytes_copied = read_streamfile(ctx->buffer, ctx->offset, sizeof(ctx->buffer), ctx->streamfile);
ctx->offset += bytes_copied;
if (bytes_copied > 0 && bytes_copied <= sizeof(ctx->buffer)) {
ctx->ptr = ctx->buffer;
ctx->end = ctx->buffer + bytes_copied;
return *ctx->ptr++;
}
}
return 0;
}
static int16_t utk_read_i16(UTKContext *ctx)
{
int x = utk_read_byte(ctx);
x = (x << 8) | utk_read_byte(ctx);
return x;
}
static int utk_read_bits(UTKContext *ctx, int count)
{
int ret = ctx->bits_value & ((1 << count) - 1);
ctx->bits_value >>= count;
ctx->bits_count -= count;
if (ctx->bits_count < 8) {
/* read another byte */
ctx->bits_value |= utk_read_byte(ctx) << ctx->bits_count;
ctx->bits_count += 8;
}
return ret;
}
static void utk_parse_header(UTKContext *ctx)
{
int i;
float multiplier;
ctx->reduced_bw = utk_read_bits(ctx, 1);
ctx->multipulse_thresh = 32 - utk_read_bits(ctx, 4);
ctx->fixed_gains[0] = 8.0f * (1 + utk_read_bits(ctx, 4));
multiplier = 1.04f + utk_read_bits(ctx, 6)*0.001f;
for (i = 1; i < 64; i++)
ctx->fixed_gains[i] = ctx->fixed_gains[i-1] * multiplier;
}
static void utk_decode_excitation(UTKContext *ctx, int use_multipulse, float *out, int stride)
{
int i;
if (use_multipulse) {
/* multi-pulse model: n pulses are coded explicitly; the rest are zero */
int model, cmd;
model = 0;
i = 0;
while (i < 108) {
cmd = utk_codebooks[model][ctx->bits_value & 0xff];
model = utk_commands[cmd].next_model;
utk_read_bits(ctx, utk_commands[cmd].code_size);
if (cmd > 3) {
/* insert a pulse with magnitude <= 6.0f */
out[i] = utk_commands[cmd].pulse_value;
i += stride;
} else if (cmd > 1) {
/* insert between 7 and 70 zeros */
int count = 7 + utk_read_bits(ctx, 6);
if (i + count * stride > 108)
count = (108 - i)/stride;
while (count > 0) {
out[i] = 0.0f;
i += stride;
count--;
}
} else {
/* insert a pulse with magnitude >= 7.0f */
int x = 7;
while (utk_read_bits(ctx, 1))
x++;
if (!utk_read_bits(ctx, 1))
x *= -1;
out[i] = (float)x;
i += stride;
}
}
} else {
/* RELP model: entire residual (excitation) signal is coded explicitly */
i = 0;
while (i < 108) {
if (!utk_read_bits(ctx, 1))
out[i] = 0.0f;
else if (!utk_read_bits(ctx, 1))
out[i] = -2.0f;
else
out[i] = 2.0f;
i += stride;
}
}
}
static void rc_to_lpc(const float *rc, float *lpc)
{
int i, j;
float tmp1[12];
float tmp2[12];
for (i = 10; i >= 0; i--)
tmp2[1+i] = rc[i];
tmp2[0] = 1.0f;
for (i = 0; i < 12; i++) {
float x = -tmp2[11] * rc[11];
for (j = 10; j >= 0; j--) {
x -= tmp2[j] * rc[j];
tmp2[j+1] = x * rc[j] + tmp2[j];
}
tmp1[i] = tmp2[0] = x;
for (j = 0; j < i; j++)
x -= tmp1[i-1-j] * lpc[j];
lpc[i] = x;
}
}
static void utk_lp_synthesis_filter(UTKContext *ctx, int offset, int num_blocks)
{
int i, j, k;
float lpc[12];
float *ptr = &ctx->decompressed_frame[offset];
rc_to_lpc(ctx->rc, lpc);
for (i = 0; i < num_blocks; i++) {
for (j = 0; j < 12; j++) {
float x = *ptr;
for (k = 0; k < j; k++)
x += lpc[k] * ctx->synth_history[k-j+12];
for (; k < 12; k++)
x += lpc[k] * ctx->synth_history[k-j];
ctx->synth_history[11-j] = x;
*ptr++ = x;
}
}
}
/*
** Public functions.
*/
static void utk_decode_frame(UTKContext *ctx)
{
int i, j;
int use_multipulse = 0;
float excitation[5+108+5];
float rc_delta[12];
if (!ctx->bits_count) {
ctx->bits_value = utk_read_byte(ctx);
ctx->bits_count = 8;
}
if (!ctx->parsed_header) {
utk_parse_header(ctx);
ctx->parsed_header = 1;
}
memset(&excitation[0], 0, 5*sizeof(float));
memset(&excitation[5+108], 0, 5*sizeof(float));
/* read the reflection coefficients */
for (i = 0; i < 12; i++) {
int idx;
if (i == 0) {
idx = utk_read_bits(ctx, 6);
if (idx < ctx->multipulse_thresh)
use_multipulse = 1;
} else if (i < 4) {
idx = utk_read_bits(ctx, 6);
} else {
idx = 16 + utk_read_bits(ctx, 5);
}
rc_delta[i] = (utk_rc_table[idx] - ctx->rc[i])*0.25f;
}
/* decode four subframes */
for (i = 0; i < 4; i++) {
int pitch_lag = utk_read_bits(ctx, 8);
float pitch_gain = (float)utk_read_bits(ctx, 4)/15.0f;
float fixed_gain = ctx->fixed_gains[utk_read_bits(ctx, 6)];
if (!ctx->reduced_bw) {
utk_decode_excitation(ctx, use_multipulse, &excitation[5], 1);
} else {
/* residual (excitation) signal is encoded at reduced bandwidth */
int align = utk_read_bits(ctx, 1);
int zero = utk_read_bits(ctx, 1);
utk_decode_excitation(ctx, use_multipulse, &excitation[5+align], 2);
if (zero) {
/* fill the remaining samples with zero
** (spectrum is duplicated into high frequencies) */
for (j = 0; j < 54; j++)
excitation[5+(1-align)+2*j] = 0.0f;
} else {
/* interpolate the remaining samples
** (spectrum is low-pass filtered) */
float *ptr = &excitation[5+(1-align)];
for (j = 0; j < 108; j += 2)
ptr[j] = ptr[j-5] * 0.01803267933428287506103515625f
- ptr[j-3] * 0.114591561257839202880859375f
+ ptr[j-1] * 0.597385942935943603515625f
+ ptr[j+1] * 0.597385942935943603515625f
- ptr[j+3] * 0.114591561257839202880859375f
+ ptr[j+5] * 0.01803267933428287506103515625f;
/* scale by 0.5f to give the sinc impulse response unit energy */
fixed_gain *= 0.5f;
}
}
for (j = 0; j < 108; j++)
ctx->decompressed_frame[108*i+j] = fixed_gain * excitation[5+j]
+ pitch_gain * ctx->adapt_cb[108*i+216-pitch_lag+j];
}
for (i = 0; i < 324; i++)
ctx->adapt_cb[i] = ctx->decompressed_frame[108+i];
for (i = 0; i < 4; i++) {
for (j = 0; j < 12; j++)
ctx->rc[j] += rc_delta[j];
utk_lp_synthesis_filter(ctx, 12*i, i < 3 ? 1 : 33);
}
}
static void utk_init(UTKContext *ctx)
{
memset(ctx, 0, sizeof(*ctx));
}
#if 0 //vgmstream extra: see flush_ea_mt
static void utk_set_fp(UTKContext *ctx, FILE *fp)
{
ctx->fp = fp;
/* reset the bit reader */
ctx->bits_count = 0;
}
static void utk_set_ptr(UTKContext *ctx, const uint8_t *ptr, const uint8_t *end)
{
ctx->ptr = ptr;
ctx->end = end;
/* reset the bit reader */
ctx->bits_count = 0;
}
#endif
/*
** MicroTalk Revision 3 decoding function.
*/
static void utk_rev3_decode_frame(UTKContext *ctx)
{
int pcm_data_present = (utk_read_byte(ctx) == 0xee);
int i;
utk_decode_frame(ctx);
/* unread the last 8 bits and reset the bit reader */
ctx->ptr--;
ctx->bits_count = 0;
if (pcm_data_present) {
/* Overwrite n samples at a given offset in the decoded frame with
** raw PCM data. */
int offset = utk_read_i16(ctx);
int count = utk_read_i16(ctx);
/* sx.exe does not do any bounds checking or clamping of these two
** fields (see 004274D1 in sx.exe v3.01.01), which means a specially
** crafted MT5:1 file can crash sx.exe.
** We will throw an error instead. */
if (offset < 0 || offset > 432) {
//fprintf(stderr, "error: invalid PCM offset %d\n", offset);
//exit(EXIT_FAILURE);
return; //vgmstream extra
}
if (count < 0 || count > 432 - offset) {
//fprintf(stderr, "error: invalid PCM count %d\n", count);
//exit(EXIT_FAILURE);
return; //vgmstream extra
}
for (i = 0; i < count; i++)
ctx->decompressed_frame[offset+i] = (float)utk_read_i16(ctx);
}
}
/* ************************************************************************************************* */
ea_mt_codec_data *init_ea_mt(int channel_count, int pcm_blocks) {
ea_mt_codec_data *data = NULL;
int i;
data = calloc(channel_count, sizeof(ea_mt_codec_data));
if (!data) goto fail;
data->pcm_blocks = pcm_blocks;
data->utk_context_size = channel_count;
data->utk_context = calloc(channel_count, sizeof(UTKContext*));
if (!data->utk_context) goto fail;
for (i = 0; i < channel_count; i++) {
data->utk_context[i] = calloc(1, sizeof(UTKContext));
if (!data->utk_context[i]) goto fail;
utk_init(data->utk_context[i]);
}
return data;
fail:
free_ea_mt(data);
return NULL;
}
void decode_ea_mt(VGMSTREAM * vgmstream, sample * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int channel) {
ea_mt_codec_data *data = vgmstream->codec_data;
int i, sample_count = 0, frame_samples;
UTKContext* ctx = data->utk_context[channel];
/* Use the above decoder, which expects pointers to read data. Since EA-MT frames aren't
* byte-aligned, reading new buffer data is decided by the decoder. When decoding starts
* or a SCHl block changes flush_ea_mt must be called to reset the state.
* A bit hacky but would need some restructuring otherwise. */
frame_samples = 432;
first_sample = first_sample % frame_samples;
/* don't decode again if we didn't consume the current frame.
* UTKContext saves the sample buffer, and can't re-decode a frame */
if (!ctx->samples_filled) {
if (data->pcm_blocks)
utk_rev3_decode_frame(ctx);
else
utk_decode_frame(ctx);
ctx->samples_filled = 1;
}
/* copy samples */
for (i = first_sample; i < first_sample+samples_to_do; i++) {
int x = UTK_ROUND(ctx->decompressed_frame[i]);
outbuf[sample_count] = (int16_t)UTK_CLAMP(x, -32768, 32767);
sample_count += channelspacing;
}
if (i == frame_samples)
ctx->samples_filled = 0;
}
static void flush_ea_mt_internal(VGMSTREAM *vgmstream, int is_start) {
ea_mt_codec_data *data = vgmstream->codec_data;
int i;
size_t bytes;
/* the decoder needs to be notified when offsets change */
for (i = 0; i < vgmstream->channels; i++) {
UTKContext *ctx = data->utk_context[i];
ctx->streamfile = vgmstream->ch[i].streamfile;
ctx->offset = is_start ? vgmstream->ch[i].channel_start_offset : vgmstream->ch[i].offset;
ctx->samples_filled = 0;
bytes = read_streamfile(ctx->buffer,ctx->offset,sizeof(ctx->buffer),ctx->streamfile);
ctx->offset += sizeof(ctx->buffer);
ctx->ptr = ctx->buffer;
ctx->end = ctx->buffer + bytes;
ctx->bits_count = 0;
}
}
void flush_ea_mt(VGMSTREAM *vgmstream) {
flush_ea_mt_internal(vgmstream, 0);
}
void reset_ea_mt(VGMSTREAM *vgmstream) {
flush_ea_mt_internal(vgmstream, 1);
}
void seek_ea_mt(VGMSTREAM * vgmstream, int32_t num_sample) {
flush_ea_mt_internal(vgmstream, 1);
//todo discard loop (though this should be adecuate as probably only uses full loops, if at all)
}
void free_ea_mt(ea_mt_codec_data *data) {
int i;
if (!data)
return;
for (i = 0; i < data->utk_context_size; i++) {
free(data->utk_context[i]);
}
free(data->utk_context);
free(data);
}

View File

@ -489,6 +489,8 @@ static const coding_info coding_info_list[] = {
{coding_NWA4, "NWA DPCM Level 4"},
{coding_NWA5, "NWA DPCM Level 5"},
{coding_EA_MT, "Electronic Arts MicroTalk"},
{coding_CRI_HCA, "CRI HCA"},
#ifdef VGM_USE_VORBIS

View File

@ -119,6 +119,17 @@ void block_update_ea_schl(off_t block_offset, VGMSTREAM * vgmstream) {
break;
/* id, size, samples, offsets-per-channel, flag (0x01 = data start), data */
case coding_EA_MT:
for (i = 0; i < vgmstream->channels; i++) {
off_t channel_start = read_32bit(block_offset + 0x0C + (0x04*i),streamFile);
vgmstream->ch[i].offset = block_offset + 0x0C + (0x04*vgmstream->channels) + channel_start + 0x01;
}
/* flush decoder in every block change */
flush_ea_mt(vgmstream);
break;
#ifdef VGM_USE_MPEG
/* id, size, samples, offset?, unknown (null for MP2, some constant for all blocks for EALayer3) */
case coding_MPEG_custom:
@ -161,14 +172,4 @@ void block_update_ea_schl(off_t block_offset, VGMSTREAM * vgmstream) {
vgmstream->next_block_offset = block_offset + block_size;
vgmstream->current_block_samples = block_samples;
vgmstream->current_block_size = 0; /* uses current_block_samples instead */
/* reset channel sub offset for codecs using it */
if (vgmstream->coding_type == coding_EA_XA
|| vgmstream->coding_type == coding_EA_XA_int
|| vgmstream->coding_type == coding_EA_XA_V2) {
for(i=0;i<vgmstream->channels;i++) {
vgmstream->ch[i].channel_start_offset=0;
}
}
}

View File

@ -1397,6 +1397,10 @@
<File
RelativePath=".\coding\coding_utils.c"
>
</File>
<File
RelativePath=".\coding\ea_mt_decoder.c"
>
</File>
<File
RelativePath=".\coding\ea_xa_decoder.c"

View File

@ -437,6 +437,7 @@
<ClCompile Include="coding\acm_decoder.c" />
<ClCompile Include="coding\adx_decoder.c" />
<ClCompile Include="coding\aica_decoder.c" />
<ClCompile Include="coding\ea_mt_decoder.c" />
<ClCompile Include="coding\ea_xa_decoder.c" />
<ClCompile Include="coding\ea_xas_decoder.c" />
<ClCompile Include="coding\g719_decoder.c" />

View File

@ -823,6 +823,9 @@
<ClCompile Include="coding\aica_decoder.c">
<Filter>coding\Source Files</Filter>
</ClCompile>
<ClCompile Include="coding\ea_mt_decoder.c">
<Filter>coding\Source Files</Filter>
</ClCompile>
<ClCompile Include="coding\ea_xa_decoder.c">
<Filter>coding\Source Files</Filter>
</ClCompile>

View File

@ -140,7 +140,7 @@ VGMSTREAM * init_vgmstream_ea_bnk(STREAMFILE *streamFile) {
goto fail;
/* use header size as endianness flag */
if ((uint32_t)read_32bitLE(0x08,streamFile) > 0x00F00000) {
if ((uint32_t)read_32bitLE(0x08,streamFile) > 0x000F0000) { /* todo not very accurate */
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
} else {
@ -311,14 +311,12 @@ static VGMSTREAM * init_vgmstream_ea_variable_header(STREAMFILE *streamFile, ea_
#ifdef VGM_USE_MPEG
case EA_CODEC2_LAYER2: /* MPEG Layer II, aka MP2 */
case EA_CODEC2_LAYER3: { /* MPEG Layer III, aka MP3 */
mpeg_custom_config cfg;
mpeg_custom_config cfg = {0};
off_t mpeg_start_offset = is_bnk ?
start_offset :
get_ea_stream_mpeg_start_offset(streamFile, start_offset, ea);
if (!mpeg_start_offset) goto fail;
memset(&cfg, 0, sizeof(mpeg_custom_config));
/* layout is still blocks, but should work fine with the custom mpeg decoder */
vgmstream->codec_data = init_mpeg_custom_codec_data(streamFile, mpeg_start_offset, &vgmstream->coding_type, vgmstream->channels, MPEG_EA, &cfg);
if (!vgmstream->codec_data) goto fail;
@ -326,14 +324,12 @@ static VGMSTREAM * init_vgmstream_ea_variable_header(STREAMFILE *streamFile, ea_
}
case EA_CODEC2_EALAYER3: { /* MP3 variant */
mpeg_custom_config cfg;
mpeg_custom_config cfg = {0};
off_t mpeg_start_offset = is_bnk ?
start_offset :
get_ea_stream_mpeg_start_offset(streamFile, start_offset, ea);
if (!mpeg_start_offset) goto fail;
memset(&cfg, 0, sizeof(mpeg_custom_config));
/* layout is still blocks, but should work fine with the custom mpeg decoder */
vgmstream->codec_data = init_mpeg_custom_codec_data(streamFile, mpeg_start_offset, &vgmstream->coding_type, vgmstream->channels, MPEG_EAL31, &cfg);
if (!vgmstream->codec_data) goto fail;
@ -343,6 +339,12 @@ static VGMSTREAM * init_vgmstream_ea_variable_header(STREAMFILE *streamFile, ea_
case EA_CODEC2_MT10: /* MicroTalk (10:1 compression) */
case EA_CODEC2_MT5: /* MicroTalk (5:1 compression) */
vgmstream->coding_type = coding_EA_MT;
VGM_LOG("mt: codec=%x, cv=%x, v=%x\n", ea->codec2, ea->codec_version, ea->version);
vgmstream->codec_data = init_ea_mt(vgmstream->channels, ea->version == EA_VERSION_V3);
if (!vgmstream->codec_data) goto fail;
break;
case EA_CODEC2_ATRAC3PLUS: /* regular ATRAC3plus chunked in SCxx blocks, including RIFF header */
default:
VGM_LOG("EA SCHl: unknown codec2 0x%02x for platform 0x%02x\n", ea->codec2, ea->platform);
@ -401,15 +403,6 @@ static VGMSTREAM * init_vgmstream_ea_variable_header(STREAMFILE *streamFile, ea_
}
break;
}
/* reset channel sub offset for codecs using it */
if (vgmstream->coding_type == coding_EA_XA
|| vgmstream->coding_type == coding_EA_XA_int
|| vgmstream->coding_type == coding_EA_XA_V2) {
for(i=0;i<vgmstream->channels;i++) {
vgmstream->ch[i].channel_start_offset = 0;
}
}
}
else {
/* setup first block to update offsets */

View File

@ -61,7 +61,7 @@ VGMSTREAM * init_vgmstream_flx(STREAMFILE *streamFile) {
vgmstream->meta_type = meta_PC_FLX;
switch(codec) {
case 0x00: /* PCM */
case 0x00: /* PCM (sfx) */
vgmstream->coding_type = coding_PCM16LE;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x02;
@ -69,7 +69,7 @@ VGMSTREAM * init_vgmstream_flx(STREAMFILE *streamFile) {
vgmstream->num_samples = pcm_bytes_to_samples(data_size, channel_count, 16);
break;
case 0x01: /* EA-XA (music) */
case 0x01: /* EA-XA (music, sfx) */
vgmstream->coding_type = channel_count > 1 ? coding_EA_XA : coding_EA_XA_int;
vgmstream->layout_type = layout_none;
@ -79,6 +79,14 @@ VGMSTREAM * init_vgmstream_flx(STREAMFILE *streamFile) {
break;
case 0x02: /* EA-MT (voices) */
vgmstream->coding_type = coding_EA_MT;
vgmstream->codec_data = init_ea_mt(vgmstream->channels, 0);
if (!vgmstream->codec_data) goto fail;
vgmstream->num_samples = read_32bitLE(start_offset,streamFile);
start_offset += 0x04;
break;
default:
VGM_LOG("FLX: unknown codec 0x%x\n", codec);
goto fail;
@ -90,6 +98,7 @@ VGMSTREAM * init_vgmstream_flx(STREAMFILE *streamFile) {
/* open the file for reading */
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:

View File

@ -522,6 +522,10 @@ void reset_vgmstream(VGMSTREAM * vgmstream) {
reset_hca(vgmstream);
}
if (vgmstream->coding_type==coding_EA_MT) {
reset_ea_mt(vgmstream);
}
#if defined(VGM_USE_MP4V2) && defined(VGM_USE_FDKAAC)
if (vgmstream->coding_type==coding_MP4_AAC) {
reset_mp4_aac(vgmstream);
@ -702,6 +706,11 @@ void close_vgmstream(VGMSTREAM * vgmstream) {
vgmstream->codec_data = NULL;
}
if (vgmstream->coding_type==coding_EA_MT) {
free_ea_mt(vgmstream->codec_data);
vgmstream->codec_data = NULL;
}
#ifdef VGM_USE_FFMPEG
if (vgmstream->coding_type==coding_FFmpeg) {
free_ffmpeg(vgmstream->codec_data);
@ -1110,11 +1119,13 @@ int get_vgmstream_samples_per_frame(VGMSTREAM * vgmstream) {
case coding_LSF:
return 54;
case coding_MTAF:
return 0x80*2;
return 128*2;
case coding_MTA2:
return 0x80*2;
return 128*2;
case coding_MC3:
return 10;
case coding_EA_MT:
return 432;
case coding_CRI_HCA:
return clHCA_samplesPerBlock;
#if defined(VGM_USE_MP4V2) && defined(VGM_USE_FDKAAC)
@ -1194,6 +1205,7 @@ int get_vgmstream_frame_size(VGMSTREAM * vgmstream) {
case coding_G721:
case coding_SNDS_IMA:
case coding_OTNS_IMA:
return 0;
case coding_UBI_IMA: /* variable (PCM then IMA) */
return 0;
case coding_NGC_AFC:
@ -1219,7 +1231,7 @@ int get_vgmstream_frame_size(VGMSTREAM * vgmstream) {
case coding_MAXIS_XA:
return 0x0F*vgmstream->channels;
case coding_EA_XA_V2:
return 1; /* the frame is variant in size (ADPCM frames of 0x0F or PCM frames) */
return 0; /* variable (ADPCM frames of 0x0f or PCM frames of 0x3d) */
case coding_EA_XAS:
return 0x4c*vgmstream->channels;
case coding_WS:
@ -1255,7 +1267,9 @@ int get_vgmstream_frame_size(VGMSTREAM * vgmstream) {
case coding_MTA2:
return 0x90;
case coding_MC3:
return 4;
return 0x04;
case coding_EA_MT:
return 0; /* variable (frames of bit counts or PCM frames) */
default:
return 0;
}
@ -1847,6 +1861,13 @@ void decode_vgmstream(VGMSTREAM * vgmstream, int samples_written, int samples_to
chan);
}
break;
case coding_EA_MT:
for (chan=0;chan<vgmstream->channels;chan++) {
decode_ea_mt(vgmstream, buffer+samples_written*vgmstream->channels+chan,
vgmstream->channels, vgmstream->samples_into_block, samples_to_do,
chan);
}
break;
default:
break;
}
@ -1922,6 +1943,10 @@ int vgmstream_do_loop(VGMSTREAM * vgmstream) {
loop_hca(vgmstream);
}
if (vgmstream->coding_type==coding_EA_MT) {
seek_ea_mt(vgmstream, vgmstream->loop_start_sample);
}
#ifdef VGM_USE_VORBIS
if (vgmstream->coding_type==coding_ogg_vorbis) {
seek_ogg_vorbis(vgmstream, vgmstream->loop_sample);
@ -2518,6 +2543,11 @@ int vgmstream_open_stream(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t s
}
}
/* EA-MT decoder is a bit finicky and needs this when channel offsets change */
if (vgmstream->coding_type == coding_EA_MT) {
flush_ea_mt(vgmstream);
}
return 1;
fail:

View File

@ -161,6 +161,8 @@ typedef enum {
coding_NWA4,
coding_NWA5,
coding_EA_MT, /* Electronic Arts MicroTalk (linear-predictive speech codec) */
coding_CRI_HCA, /* CRI High Compression Audio (MDCT-based) */
#ifdef VGM_USE_VORBIS
@ -1145,6 +1147,12 @@ typedef struct {
#endif
#endif
typedef struct {
int pcm_blocks;
int utk_context_size;
void** utk_context;
} ea_mt_codec_data;
/* -------------------------------------------------------------------------*/
/* vgmstream "public" API */