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Add TXTH codec PCM8_SB [Sonic CD (SCD)]

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This commit is contained in:
bnnm 2022-06-26 17:03:27 +02:00
parent d186193596
commit ff080c1661
2 changed files with 35 additions and 11 deletions
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18
doc/TXTH.md
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@ -92,6 +92,9 @@ as explained below, but often will use default values. Accepted codec strings:
# * Variation with modified encoding
# - PCM8_U_int PCM 8-bit unsigned (interleave block)
# * Variation with modified encoding
# - PCM8_SB PCM 8-bit with sign bit
# * Variation with modified encoding
# * For few rare games [Sonic CD (SCD)]
# - PCM_FLOAT_LE PCM 32-bit float little endian
# * For few rare games [Ikinari Maou (Switch)]
# * Interleave is multiple of 0x4 (default)
@ -1073,6 +1076,21 @@ channels = 2
#loops are in MM.BIN, table at 0x80700 + id*4 - 0x06018B00
```
#### Sonic CD (SCD) .stm.txth
```
#-- for files with video, remove if demuxed
chunk_count = 1
chunk_start = 0x00
chunk_data_size = 0x8000
chunk_size = 0x25800
#--
codec = PCM8_SB
channels = 1
sample_rate = 32768 #32500?
num_samples = data_size
```
#### Sega Rally 3 (SAT) ALL_SOUND.txth
```
codec = PCM16LE

28
src/meta/txth.c
View File

@ -48,6 +48,7 @@ typedef enum {
CP_YM,
PCM_FLOAT_LE,
IMA_HV,
PCM8_SB,
UNKNOWN = 99,
} txth_codec_t;
@ -215,13 +216,14 @@ VGMSTREAM* init_vgmstream_txth(STREAMFILE* sf) {
if (txth.interleave == 0) {
uint32_t interleave = 0;
switch(txth.codec) {
case PSX: interleave = 0x10; break;
case PSX:
case PSX_bf: interleave = 0x10; break;
case NGC_DSP: interleave = 0x08; break;
case PCM16LE: interleave = 0x02; break;
case PCM16LE:
case PCM16BE: interleave = 0x02; break;
case PCM8: interleave = 0x01; break;
case PCM8_U: interleave = 0x01; break;
case PCM8:
case PCM8_U:
case PCM8_SB: interleave = 0x01; break;
case PCM_FLOAT_LE: interleave = 0x04; break;
default:
break;
@ -235,9 +237,12 @@ VGMSTREAM* init_vgmstream_txth(STREAMFILE* sf) {
case PSX: coding = coding_PSX; break;
case XBOX: coding = coding_XBOX_IMA; break;
case NGC_DTK: coding = coding_NGC_DTK; break;
case PCM16BE: coding = coding_PCM16BE; break;
case PCM16LE: coding = coding_PCM16LE; break;
case PCM16BE: coding = coding_PCM16BE; break;
case PCM8: coding = coding_PCM8; break;
case PCM8_U: coding = coding_PCM8_U; break;
case PCM8_U_int: coding = coding_PCM8_U_int; break;
case PCM8_SB: coding = coding_PCM8_SB; break;
case PCM_FLOAT_LE: coding = coding_PCMFLOAT; break;
case SDX2: coding = coding_SDX2; break;
case DVI_IMA: coding = coding_DVI_IMA; break;
@ -249,10 +254,8 @@ VGMSTREAM* init_vgmstream_txth(STREAMFILE* sf) {
case AICA: coding = coding_AICA; break;
case MSADPCM: coding = coding_MSADPCM; break;
case NGC_DSP: coding = coding_NGC_DSP; break;
case PCM8_U_int: coding = coding_PCM8_U_int; break;
case PSX_bf: coding = coding_PSX_badflags; break;
case MS_IMA: coding = coding_MS_IMA; break;
case PCM8_U: coding = coding_PCM8_U; break;
case APPLE_IMA4: coding = coding_APPLE_IMA4; break;
#ifdef VGM_USE_FFMPEG
case ATRAC3:
@ -310,6 +313,7 @@ VGMSTREAM* init_vgmstream_txth(STREAMFILE* sf) {
case coding_PCM16BE:
case coding_PCM8:
case coding_PCM8_U:
case coding_PCM8_SB:
case coding_PCMFLOAT:
case coding_PCM4:
case coding_PCM4_U:
@ -938,6 +942,9 @@ static txth_codec_t parse_codec(txth_header* txth, const char* val) {
else if (is_string(val,"PCM16BE")) return PCM16BE;
else if (is_string(val,"PCM16LE")) return PCM16LE;
else if (is_string(val,"PCM8")) return PCM8;
else if (is_string(val,"PCM8_U")) return PCM8_U;
else if (is_string(val,"PCM8_U_int")) return PCM8_U_int;
else if (is_string(val,"PCM8_SB")) return PCM8_SB;
else if (is_string(val,"SDX2")) return SDX2;
else if (is_string(val,"DVI_IMA")) return DVI_IMA;
else if (is_string(val,"MPEG")) return MPEG;
@ -946,10 +953,8 @@ static txth_codec_t parse_codec(txth_header* txth, const char* val) {
else if (is_string(val,"MSADPCM")) return MSADPCM;
else if (is_string(val,"NGC_DSP")) return NGC_DSP;
else if (is_string(val,"DSP")) return NGC_DSP;
else if (is_string(val,"PCM8_U_int")) return PCM8_U_int;
else if (is_string(val,"PSX_bf")) return PSX_bf;
else if (is_string(val,"MS_IMA")) return MS_IMA;
else if (is_string(val,"PCM8_U")) return PCM8_U;
else if (is_string(val,"APPLE_IMA4")) return APPLE_IMA4;
else if (is_string(val,"ATRAC3")) return ATRAC3;
else if (is_string(val,"ATRAC3PLUS")) return ATRAC3PLUS;
@ -2043,11 +2048,12 @@ static int get_bytes_to_samples(txth_header* txth, uint32_t bytes) {
return ps_bytes_to_samples(bytes, txth->channels);
case PCM16BE:
case PCM16LE:
return pcm_bytes_to_samples(bytes, txth->channels, 16);
return pcm16_bytes_to_samples(bytes, txth->channels);
case PCM8:
case PCM8_U_int:
case PCM8_U:
return pcm_bytes_to_samples(bytes, txth->channels, 8);
case PCM8_SB:
return pcm8_bytes_to_samples(bytes, txth->channels);
case PCM_FLOAT_LE:
return pcm_bytes_to_samples(bytes, txth->channels, 32);
case PCM4: